diff --git a/CMakeLists.txt b/CMakeLists.txt index 3b79a927..cff10b6f 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -5,8 +5,12 @@ cmake_minimum_required(VERSION 3.6) # # Options # -option(ION_BUILD_ALL_BB "Enable to build all building blocks" ON) -set(ION_BBS_TO_BUILD "ion-bb-core;ion-bb-dnn;ion-bb-image-io;ion-bb-image-processing;ion-bb-opencv;ion-bb-sgm" CACHE STRING "A List of building blocks to build (This overrides ION_BUILD_ALL_BB)") +if (UNIX) + set(DEFAULT_TARGET_BB "base;dnn;image-io;image-processing;opencv;sgm") +else() + set(DEFAULT_TARGET_BB "base;image-io;image-processing;opencv;sgm") +endif() +set(ION_TARGET_BB ${DEFAULT_TARGET_BB} CACHE STRING "A List of building blocks to build (This overrides ION_BUILD_ALL_BB)") option(ION_BUILD_DOC "Build documents." OFF) option(ION_BUILD_TEST "Enable to build tests" ON) option(ION_BUILD_EXAMPLE "Enable to build examples" ON) @@ -19,7 +23,7 @@ option(WITH_CUDA "Enable CUDA with buliding examples." ON) # CMake common settings # set(CMAKE_C_STANDARD 11) -set(CMAKE_CXX_STANDARD 14) +set(CMAKE_CXX_STANDARD 17) set(CMAKE_CXX_EXTENSIONS OFF) set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON) # This is required to export symbols on windows platform set(CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake" ${CMAKE_MODULE_PATH}) @@ -54,9 +58,9 @@ endif() # # Build main library # -file(GLOB ION_SRC src/*) -add_library(ion-core SHARED ${ION_SRC}) -target_include_directories(ion-core PUBLIC ${PROJECT_SOURCE_DIR}/include) +file(GLOB ION_CORE_SRC LIST_DIRECTORIES false ${PROJECT_SOURCE_DIR}/src/*) +add_library(ion-core SHARED ${ION_CORE_SRC}) +target_include_directories(ion-core PUBLIC ${PROJECT_SOURCE_DIR}/include ${PROJECT_SOURCE_DIR}/src) if (UNIX) target_link_libraries(ion-core PUBLIC Halide::Halide Halide::Runtime dl pthread z) else() @@ -66,13 +70,7 @@ endif() # # ion-bb # -include(ImportIonBB) -ion_import_building_block() - -# -# Link directories -# -link_directories(${ION_BB_LINK_DIRS}) +add_subdirectory(src/bb) # # Test @@ -123,8 +121,6 @@ endif() # # Install # -install(FILES cmake/ion-bb-config.cmake DESTINATION share/cmake/) - if (UNIX) install(TARGETS ion-core DESTINATION lib) else() @@ -196,12 +192,4 @@ message(STATUS "Version: ${GIT_DESCRIBE_RESULT}") string(STRIP "${GIT_DESCRIBE_RESULT}" ION_KIT_VERSION_S) string(REPLACE "v" "" ION_KIT_VERSION ${ION_KIT_VERSION_S}) set(CPACK_PACKAGE_VERSION ${ION_KIT_VERSION}) -include(CPack) - -# -# Allow big object -# -if (MSVC) - add_definitions(/bigobj) - message(STATUS "Allow big object") -endif (MSVC) \ No newline at end of file +include(CPack) \ No newline at end of file diff --git a/bin/x b/bin/x deleted file mode 100644 index e69de29b..00000000 diff --git a/cmake/ImportIonBB.cmake b/cmake/ImportIonBB.cmake deleted file mode 100644 index fca1f189..00000000 --- a/cmake/ImportIonBB.cmake +++ /dev/null @@ -1,84 +0,0 @@ -macro(ion_import_building_block) - cmake_policy(SET CMP0057 NEW) - - if(NOT ION_BBS_TO_BUILD STREQUAL "") - set(ION_BUILD_ALL_BB OFF) - endif() - - set(ION_BBS) - set(ION_BB_INCLUDE_DIRS) - set(ION_BB_LINK_DIRS) - set(ION_BB_LIBRARIES) - - file(REMOVE ${CMAKE_BINARY_DIR}/ion-bb.cc) - file(APPEND ${CMAKE_BINARY_DIR}/ion-bb.cc "#define ION_ENABLE_JIT_EXTERN\n") - - file(GLOB childs ${CMAKE_CURRENT_SOURCE_DIR}/include/ion-bb-*) - foreach(child ${childs}) - if(IS_DIRECTORY ${child}) - get_filename_component(BB_NAME ${child} NAME) - set(IS_TARGET_BB FALSE) - if(${BB_NAME} IN_LIST ION_BBS_TO_BUILD) - set(IS_TARGET_BB TRUE) - endif() - - if(${ION_BUILD_ALL_BB} OR ${IS_TARGET_BB}) - set(INCLUDE_DIRS) - set(LINK_DIRS) - set(LIBRARIES) - include(${child}/config.cmake) - list(APPEND ION_BBS ${BB_NAME}) - list(APPEND ION_BB_INCLUDE_DIRS ${INCLUDE_DIRS}) - list(APPEND ION_BB_LINK_DIRS ${LINK_DIRS}) - list(APPEND ION_BB_LIBRARIES ${LIBRARIES}) - - file(APPEND ${CMAKE_BINARY_DIR}/ion-bb.cc "#include \"${child}/bb.h\"\n") - file(APPEND ${CMAKE_BINARY_DIR}/ion-bb.cc "#include \"${child}/rt.h\"\n") - - install(DIRECTORY ${child} - DESTINATION ./include - PATTERN ".git" EXCLUDE) - endif() - endif() - endforeach() - - file(APPEND ${CMAKE_BINARY_DIR}/ion-bb.cc "extern \"C\" void register_externs(std::map& externs) {\n") - foreach(child ${childs}) - if(IS_DIRECTORY ${child}) - get_filename_component(BB_NAME ${child} NAME) - set(IS_TARGET_BB FALSE) - if(${BB_NAME} IN_LIST ION_BBS_TO_BUILD) - set(IS_TARGET_BB TRUE) - endif() - - if(${ION_BUILD_ALL_BB} OR ${IS_TARGET_BB}) - string(REPLACE "ion-bb-" "ion::bb::" ns ${BB_NAME}) - string(REPLACE "-" "_" ns ${ns}) - file(APPEND ${CMAKE_BINARY_DIR}/ion-bb.cc " for (auto kv : ${ns}::extern_functions) {\n") - file(APPEND ${CMAKE_BINARY_DIR}/ion-bb.cc " externs.insert({kv.first, Halide::JITExtern(kv.second)});\n") - file(APPEND ${CMAKE_BINARY_DIR}/ion-bb.cc " }\n") - endif() - endif() - endforeach() - file(APPEND ${CMAKE_BINARY_DIR}/ion-bb.cc "}\n") - - message(STATUS "Found BBs: ${ION_BBS}") - message(STATUS " Include directories: ${ION_BB_INCLUDE_DIRS}") - message(STATUS " Link directories: ${ION_BB_LINK_DIRS}") - message(STATUS " Dependent Libaries: ${ION_BB_LIBRARIES}") - - add_library(ion-bb SHARED ${CMAKE_BINARY_DIR}/ion-bb.cc) - target_include_directories(ion-bb PUBLIC ${PROJECT_SOURCE_DIR}/include ${ION_BB_INCLUDE_DIRS}) - target_link_libraries(ion-bb PUBLIC ion-core ${ION_BB_LIBRARIES}) - if(UNIX) - target_compile_options(ion-bb - PUBLIC -fno-rtti # For Halide::Generator - PUBLIC -rdynamic) # For JIT compiling - endif() - if (UNIX) - install(TARGETS ion-bb DESTINATION lib) - else() - install(FILES ${CMAKE_BINARY_DIR}/$<$:Release>$<$:Debug>/ion-bb.dll DESTINATION bin) - install(FILES ${CMAKE_BINARY_DIR}/$<$:Release>$<$:Debug>/ion-bb.lib DESTINATION lib) - endif() -endmacro() diff --git a/cmake/IonUtil.cmake b/cmake/IonUtil.cmake index 7cc26f0d..c34844d0 100644 --- a/cmake/IonUtil.cmake +++ b/cmake/IonUtil.cmake @@ -22,9 +22,10 @@ function(ion_compile NAME) PUBLIC -fno-rtti # For Halide::Generator PUBLIC -rdynamic) # For JIT compiling endif() - target_include_directories(${NAME} PUBLIC "${PROJECT_SOURCE_DIR}/include;${ION_BB_INCLUDE_DIRS}") - target_link_libraries(${NAME} PRIVATE ion-core ${ION_BB_LIBRARIES} ${PLATFORM_LIBRARIES}) + target_include_directories(${NAME} PUBLIC "${PROJECT_SOURCE_DIR}/include") + target_link_libraries(${NAME} PRIVATE ion-core ${PLATFORM_LIBRARIES}) set_target_properties(${NAME} PROPERTIES RUNTIME_OUTPUT_DIRECTORY compile PIPELINE_NAME ${IEC_PIPELINE_NAME}) + add_dependencies(${NAME} ion-bb) endfunction() function(ion_run NAME COMPILE_NAME) @@ -50,24 +51,27 @@ function(ion_run NAME COMPILE_NAME) add_custom_command(OUTPUT ${HEADER} ${STATIC_LIB} COMMAND ${CMAKE_SOURCE_DIR}/script/invoke.sh $ HL_TARGET ${IER_TARGET_STRING} - LD_LIBRARY_PATH ${HALIDE_ROOT}/bin - LD_LIBRARY_PATH ${CMAKE_BINARY_DIR}/$<$:Release>$<$:Debug> + LD_LIBRARY_PATH ${Halide_DIR}/../../../bin + LD_LIBRARY_PATH ${CMAKE_BINARY_DIR} + LD_LIBRARY_PATH ${CMAKE_BINARY_DIR}/src/bb DEPENDS ${COMPILE_NAME} ${OUTPUT_PATH} WORKING_DIRECTORY ${OUTPUT_PATH}) else() add_custom_command(OUTPUT ${HEADER} ${STATIC_LIB} COMMAND ${CMAKE_SOURCE_DIR}/script/invoke.bat $ HL_TARGET ${IER_TARGET_STRING} - PATH ${HALIDE_ROOT}/$<$:Release>$<$:Debug> + PATH ${Halide_DIR}/../../../bin/$<$:Release>$<$:Debug> PATH ${CMAKE_BINARY_DIR}/$<$:Release>$<$:Debug> + PATH ${CMAKE_BINARY_DIR}/src/bb/$<$:Release>$<$:Debug> DEPENDS ${COMPILE_NAME} ${OUTPUT_PATH} WORKING_DIRECTORY ${OUTPUT_PATH}) endif() # Build run + find_package(OpenCV 4 REQUIRED) add_executable(${NAME} ${IER_SRCS} ${HEADER}) - target_include_directories(${NAME} PUBLIC "${PROJECT_SOURCE_DIR}/include;${ION_BB_INCLUDE_DIRS};${OUTPUT_PATH}") - target_link_libraries(${NAME} PRIVATE ${STATIC_LIB} Halide::Halide Halide::Runtime ${ION_BB_LIBRARIES} ${PLATFORM_LIBRARIES}) + target_include_directories(${NAME} PUBLIC ${PROJECT_SOURCE_DIR}/include ${OpenCV_INCLUDE_DIRS} ${OUTPUT_PATH}) + target_link_libraries(${NAME} PRIVATE ${STATIC_LIB} ion-bb Halide::Halide Halide::Runtime ${OpenCV_LIBS} ${PLATFORM_LIBRARIES}) add_test(NAME ${NAME} COMMAND $ ${IER_RUNTIME_ARGS}) endfunction() @@ -93,8 +97,9 @@ function(ion_jit NAME) # For JIT compiling target_compile_options(${NAME} PUBLIC -rdynamic) endif() - target_include_directories(${NAME} PUBLIC "${PROJECT_SOURCE_DIR}/include;${ION_BB_INCLUDE_DIRS}") - target_link_libraries(${NAME} PRIVATE ion-core ${ION_BB_LIBRARIES} ${PLATFORM_LIBRARIES}) + find_package(OpenCV 4 REQUIRED) + target_include_directories(${NAME} PUBLIC ${PROJECT_SOURCE_DIR}/include ${ION_BB_INCLUDE_DIRS} ${OpenCV_INCLUDE_DIRS}) + target_link_libraries(${NAME} PRIVATE ion-core ${ION_BB_LIBRARIES} ${PLATFORM_LIBRARIES} ${OpenCV_LIBS}) set_target_properties(${NAME} PROPERTIES ENABLE_EXPORTS ON) endfunction() @@ -104,6 +109,12 @@ function(ion_register_test TEST_NAME EXEC_NAME) set(multiValueArgs RUNTIME_ARGS) cmake_parse_arguments(IERT "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN}) + if (UNIX) + set(IERT_RUNTIME_ENVS "LD_LIBRARY_PATH=${CMAKE_BINARY_DIR}/src/bb:${CMAKE_BINARY_DIR}/test") + else() + set(IERT_RUNTIME_ENVS "PATH=${CMAKE_BINARY_DIR}/src/bb/$<$:Release>$<$:Debug>\\\;${CMAKE_BINARY_DIR}/test/$<$:Release>$<$:Debug>") + endif() + if (IERT_TARGET_STRING) list(APPEND IERT_RUNTIME_ENVS "HL_TARGET=${IERT_TARGET_STRING}") endif() diff --git a/cmake/ion-bb-config.cmake b/cmake/ion-bb-config.cmake deleted file mode 100644 index 80ec05f0..00000000 --- a/cmake/ion-bb-config.cmake +++ /dev/null @@ -1,16 +0,0 @@ -set(ION_BB_INCLUDE_DIRS) -set(ION_BB_LINK_DIRS) -set(ION_BB_LIBRARIES) - -file(GLOB childs ${CMAKE_CURRENT_LIST_DIR}/ion-bb-*) -foreach(child ${childs}) - if(IS_DIRECTORY ${child}) - set(INCLUDE_DIRS) - set(LINK_DIRS) - set(LIBRARIES) - include(${child}/config.cmake) - list(APPEND ION_BB_INCLUDE_DIRS ${INCLUDE_DIRS}) - list(APPEND ION_BB_LINK_DIRS ${LINK_DIRS}) - list(APPEND ION_BB_LIBRARIES ${LIBRARIES}) - endif() -endforeach() diff --git a/example/CMakeLists.txt b/example/CMakeLists.txt index fd27e05e..972012ee 100644 --- a/example/CMakeLists.txt +++ b/example/CMakeLists.txt @@ -10,14 +10,20 @@ ion_compile(dnn_compile SRCS dnn_compile.cc PIPELINE_NAME dnn) ion_compile(demo_compile SRCS demo_compile.cc PIPELINE_NAME demo) ion_run(producerx3 producerx3_compile SRCS producerx3_run.cc TARGET_STRING "host-profile") -ion_run(sgm sgm_compile SRCS sgm_run.cc TARGET_STRING "host-profile") -ion_run(dnn dnn_compile SRCS dnn_run.cc TARGET_STRING "host-profile") -ion_run(demo demo_compile SRCS demo_run.cc TARGET_STRING "host-profile") + +if (UNIX) + ion_run(sgm sgm_compile SRCS sgm_run.cc TARGET_STRING "host-profile") + ion_run(dnn dnn_compile SRCS dnn_run.cc TARGET_STRING "host-profile") + ion_run(demo demo_compile SRCS demo_run.cc TARGET_STRING "host-profile") +endif() + if(WITH_CUDA) ion_run(producerx3_gpu producerx3_compile SRCS producerx3_run.cc TARGET_STRING "host-cuda-cuda_capability_50-profile") - ion_run(sgm_gpu sgm_compile SRCS sgm_run.cc TARGET_STRING "host-cuda-cuda_capability_50-profile") - ion_run(dnn_gpu dnn_compile SRCS dnn_run.cc TARGET_STRING "host-cuda-cuda_capability_50-profile") - ion_run(demo_gpu demo_compile SRCS demo_run.cc TARGET_STRING "host-cuda-cuda_capability_50-profile") + if(UNIX) + ion_run(sgm_gpu sgm_compile SRCS sgm_run.cc TARGET_STRING "host-cuda-cuda_capability_50-profile") + ion_run(dnn_gpu dnn_compile SRCS dnn_run.cc TARGET_STRING "host-cuda-cuda_capability_50-profile") + ion_run(demo_gpu demo_compile SRCS demo_run.cc TARGET_STRING "host-cuda-cuda_capability_50-profile") + endif() endif() if(ION_ENABLE_HALIDE_FPGA_BACKEND) @@ -53,4 +59,5 @@ endif() if (MSVC) add_definitions(/bigobj) message(STATUS "Allow big object for example/") -endif (MSVC) \ No newline at end of file +endif (MSVC) + diff --git a/example/demo.cc b/example/demo.cc index 62cf94ac..7150cf97 100644 --- a/example/demo.cc +++ b/example/demo.cc @@ -1,16 +1,8 @@ #include -#include "ion-bb-core/bb.h" -#include "ion-bb-dnn/bb.h" -#include "ion-bb-image-io/bb.h" -#include "ion-bb-image-processing/bb.h" -#include "ion-bb-sgm/bb.h" - -#include "ion-bb-core/rt.h" -#include "ion-bb-dnn/rt.h" -#include "ion-bb-image-io/rt.h" -#include "ion-bb-image-processing/rt.h" -#include "ion-bb-sgm/rt.h" +#include +#include +#include using namespace ion; @@ -27,6 +19,7 @@ int main(int argc, char *argv[]) { Builder b; b.set_target(Halide::get_target_from_environment()); + b.with_bb_module("ion-bb"); // ISP Port offset_r{"offset_r", Halide::type_of()}; @@ -128,13 +121,13 @@ int main(int argc, char *argv[]) { gamma_correction["output"]); Node reorder_channel = b.add("image_processing_reorder_color_channel_3d_float")( fit_image["output"]); - Node reorder_chw2hwc = b.add("core_reorder_buffer_3d_float") + Node reorder_chw2hwc = b.add("base_reorder_buffer_3d_float") .set_param( Param{"dim0", "2"}, Param{"dim1", "0"}, Param{"dim2", "1"})( reorder_channel["output"]); - Node extended = b.add("core_extend_dimension_3d_float") + Node extended = b.add("base_extend_dimension_3d_float") .set_param( Param{"new_dim", "3"})( reorder_chw2hwc["output"]); @@ -144,7 +137,7 @@ int main(int argc, char *argv[]) { Port packed_dnn_input = dnn_inputs[0]; for (int i = 1; i < 6; i++) { - packed_dnn_input = b.add("core_concat_buffer_4d_float") + packed_dnn_input = b.add("base_concat_buffer_4d_float") .set_param( Param{"dim", "3"}, Param{"input0_extent", std::to_string(i)})( @@ -156,7 +149,7 @@ int main(int argc, char *argv[]) { Port dnn_outputs[6]; for (int i = 0; i < 6; i++) { - dnn_outputs[i] = b.add("core_extract_buffer_4d_float") + dnn_outputs[i] = b.add("base_extract_buffer_4d_float") .set_param( Param{"dim", "3"}, Param{"index", std::to_string(i)})( @@ -191,7 +184,7 @@ int main(int argc, char *argv[]) { horizontal_tiled_image[0], horizontal_tiled_image[1])["output"]; - Node denormalized = b.add("core_denormalize_3d_uint8")(tiled_image); + Node denormalized = b.add("base_denormalize_3d_uint8")(tiled_image); // d435 auto d435 = b.add("image_io_d435"); diff --git a/example/demo_compile.cc b/example/demo_compile.cc index 93705668..b55c3ed0 100644 --- a/example/demo_compile.cc +++ b/example/demo_compile.cc @@ -1,11 +1,5 @@ #include -#include "ion-bb-core/bb.h" -#include "ion-bb-dnn/bb.h" -#include "ion-bb-image-io/bb.h" -#include "ion-bb-image-processing/bb.h" -#include "ion-bb-sgm/bb.h" - using namespace ion; int main(int argc, char *argv[]) { @@ -21,6 +15,7 @@ int main(int argc, char *argv[]) { Builder b; b.set_target(Halide::get_target_from_environment()); + b.with_bb_module("ion-bb"); // ISP Port offset_r{"offset_r", Halide::type_of()}; @@ -122,13 +117,13 @@ int main(int argc, char *argv[]) { gamma_correction["output"]); Node reorder_channel = b.add("image_processing_reorder_color_channel_3d_float")( fit_image["output"]); - Node reorder_chw2hwc = b.add("core_reorder_buffer_3d_float") + Node reorder_chw2hwc = b.add("base_reorder_buffer_3d_float") .set_param( Param{"dim0", "2"}, Param{"dim1", "0"}, Param{"dim2", "1"})( reorder_channel["output"]); - Node extended = b.add("core_extend_dimension_3d_float") + Node extended = b.add("base_extend_dimension_3d_float") .set_param( Param{"new_dim", "3"})( reorder_chw2hwc["output"]); @@ -138,7 +133,7 @@ int main(int argc, char *argv[]) { Port packed_dnn_input = dnn_inputs[0]; for (int i = 1; i < 6; i++) { - packed_dnn_input = b.add("core_concat_buffer_4d_float") + packed_dnn_input = b.add("base_concat_buffer_4d_float") .set_param( Param{"dim", "3"}, Param{"input0_extent", std::to_string(i)})( @@ -150,7 +145,7 @@ int main(int argc, char *argv[]) { Port dnn_outputs[6]; for (int i = 0; i < 6; i++) { - dnn_outputs[i] = b.add("core_extract_buffer_4d_float") + dnn_outputs[i] = b.add("base_extract_buffer_4d_float") .set_param( Param{"dim", "3"}, Param{"index", std::to_string(i)})( @@ -185,7 +180,7 @@ int main(int argc, char *argv[]) { horizontal_tiled_image[0], horizontal_tiled_image[1])["output"]; - Node denormalized = b.add("core_denormalize_3d_uint8")(tiled_image); + Node denormalized = b.add("base_denormalize_3d_uint8")(tiled_image); // d435 auto d435 = b.add("image_io_d435"); diff --git a/example/demo_run.cc b/example/demo_run.cc index 97f1c39d..c94be87b 100644 --- a/example/demo_run.cc +++ b/example/demo_run.cc @@ -1,17 +1,13 @@ -#include "demo.h" +#include +#include -#include "ion-bb-core/rt.h" -#include "ion-bb-dnn/rt.h" -#include "ion-bb-image-io/rt.h" -#include "ion-bb-image-processing/rt.h" -#include "ion-bb-sgm/rt.h" +#include +#include +#include #include -#include -#include - -using namespace ion; +#include "demo.h" int main() { try { diff --git a/example/dnn.cc b/example/dnn.cc index b0c13d29..26892035 100644 --- a/example/dnn.cc +++ b/example/dnn.cc @@ -1,13 +1,9 @@ #include #include -#include "ion-bb-core/bb.h" -#include "ion-bb-dnn/bb.h" -#include "ion-bb-image-io/bb.h" - -#include "ion-bb-core/rt.h" -#include "ion-bb-dnn/rt.h" -#include "ion-bb-image-io/rt.h" +#include +#include +#include using namespace ion; @@ -19,13 +15,14 @@ int main(int argc, char *argv[]) { Builder b; b.set_target(Halide::get_target_from_environment()); + b.with_bb_module("ion-bb"); Node n; n = b.add("image_io_color_data_loader").set_param(Param{"url", "http://ion-kit.s3.us-west-2.amazonaws.com/images/pedestrian.jpg"}, Param{"width", std::to_string(width)}, Param{"height", std::to_string(height)}); - n = b.add("core_normalize_3d_uint8")(n["output"]); - n = b.add("core_reorder_buffer_3d_float")(n["output"]).set_param(Param{"dim0", "2"}, Param{"dim1", "0"}, Param{"dim2", "1"}); // CHW -> HWC + n = b.add("base_normalize_3d_uint8")(n["output"]); + n = b.add("base_reorder_buffer_3d_float")(n["output"]).set_param(Param{"dim0", "2"}, Param{"dim1", "0"}, Param{"dim2", "1"}); // CHW -> HWC n = b.add("dnn_object_detection")(n["output"]); - n = b.add("core_denormalize_3d_uint8")(n["output"]); + n = b.add("base_denormalize_3d_uint8")(n["output"]); Halide::Buffer out_buf(channel, width, height); diff --git a/example/dnn_compile.cc b/example/dnn_compile.cc index 05b78024..50a57e62 100644 --- a/example/dnn_compile.cc +++ b/example/dnn_compile.cc @@ -1,10 +1,6 @@ #include #include -#include "ion-bb-core/bb.h" -#include "ion-bb-dnn/bb.h" -#include "ion-bb-image-io/bb.h" - using namespace ion; int main(int argc, char *argv[]) { @@ -14,13 +10,14 @@ int main(int argc, char *argv[]) { Builder b; b.set_target(Halide::get_target_from_environment()); + b.with_bb_module("ion-bb"); Node n; n = b.add("image_io_color_data_loader").set_param(Param{"url", "http://ion-kit.s3.us-west-2.amazonaws.com/images/pedestrian.jpg"}, Param{"width", std::to_string(input_width)}, Param{"height", std::to_string(input_height)}); - n = b.add("core_normalize_3d_uint8")(n["output"]); - n = b.add("core_reorder_buffer_3d_float")(n["output"]).set_param(Param{"dim0", "2"}, Param{"dim1", "0"}, Param{"dim2", "1"}); // CHW -> HWC + n = b.add("base_normalize_3d_uint8")(n["output"]); + n = b.add("base_reorder_buffer_3d_float")(n["output"]).set_param(Param{"dim0", "2"}, Param{"dim1", "0"}, Param{"dim2", "1"}); // CHW -> HWC n = b.add("dnn_object_detection")(n["output"]); - n = b.add("core_denormalize_3d_uint8")(n["output"]); + n = b.add("base_denormalize_3d_uint8")(n["output"]); b.compile("dnn"); } catch (const std::exception &e) { diff --git a/example/dnn_fpga.cc b/example/dnn_fpga.cc index 63b33391..6fac3a40 100644 --- a/example/dnn_fpga.cc +++ b/example/dnn_fpga.cc @@ -22,10 +22,10 @@ int main(int argc, char *argv[]) { Node n; n = b.add("image_io_color_data_loader").set_param(Param{"url", "http://ion-kit.s3.us-west-2.amazonaws.com/images/pedestrian.jpg"}); - n = b.add("core_normalize_3d_uint8")(n["output"]); - n = b.add("core_reorder_buffer_3d_float")(n["output"]).set_param(Param{"dim0", "2"}, Param{"dim1", "0"}, Param{"dim2", "1"}); // CHW -> HWC + n = b.add("base_normalize_3d_uint8")(n["output"]); + n = b.add("base_reorder_buffer_3d_float")(n["output"]).set_param(Param{"dim0", "2"}, Param{"dim1", "0"}, Param{"dim2", "1"}); // CHW -> HWC n = b.add("dnn_object_detection")(n["output"]); - n = b.add("core_denormalize_3d_uint8")(n["output"]); + n = b.add("base_denormalize_3d_uint8")(n["output"]); Halide::Buffer out_buf(channel, width, height); diff --git a/example/dnn_fpga_compile.cc b/example/dnn_fpga_compile.cc index ae7e055b..957b945b 100644 --- a/example/dnn_fpga_compile.cc +++ b/example/dnn_fpga_compile.cc @@ -24,9 +24,9 @@ int main(int argc, char *argv[]) { Param{"width", "512"}, Param{"height", "512"} )(n["output"]); - n = b.add("core_reorder_buffer_3d_float")(n["output"]).set_param(Param{"dim0", "2"}, Param{"dim1", "0"}, Param{"dim2", "1"}); // CHW -> HWC + n = b.add("base_reorder_buffer_3d_float")(n["output"]).set_param(Param{"dim0", "2"}, Param{"dim1", "0"}, Param{"dim2", "1"}); // CHW -> HWC n = b.add("dnn_object_detection")(n["output"]); - n = b.add("core_denormalize_3d_uint8")(n["output"]); + n = b.add("base_denormalize_3d_uint8")(n["output"]); b.compile("dnn_fpga"); } catch (const std::exception &e) { diff --git a/example/dnn_run.cc b/example/dnn_run.cc index 300b814d..365e674a 100644 --- a/example/dnn_run.cc +++ b/example/dnn_run.cc @@ -1,14 +1,12 @@ -#include "dnn.h" +#include -#include "ion-bb-core/rt.h" -#include "ion-bb-dnn/rt.h" -#include "ion-bb-image-io/rt.h" +#include +#include +#include #include -#include - -using namespace ion; +#include "dnn.h" int main(int argc, char *argv[]) { try { diff --git a/example/fpga_isp_compile.cc b/example/fpga_isp_compile.cc index a7bd2084..4f06fe16 100644 --- a/example/fpga_isp_compile.cc +++ b/example/fpga_isp_compile.cc @@ -40,7 +40,7 @@ int main(int argc, char *argv[]) { Param{"unroll_level", "3"})( downscale["output"]); - Node reorder = b.add("core_reorder_buffer_3d_uint8") + Node reorder = b.add("base_reorder_buffer_3d_uint8") .set_param( Param{"dim0", "1"}, Param{"dim1", "2"}, diff --git a/example/gender_count.cc b/example/gender_count.cc index acf60f66..2a4ca9ff 100644 --- a/example/gender_count.cc +++ b/example/gender_count.cc @@ -1,19 +1,8 @@ -#include -#include #include - -#include "ion-bb-core/bb.h" -#include "ion-bb-dnn/bb.h" -#include "ion-bb-image-io/bb.h" - -#include "ion-bb-core/rt.h" -#include "ion-bb-dnn/rt.h" -#include "ion-bb-image-io/rt.h" +#include using namespace ion; -using json = nlohmann::json; - int main(int argc, char *argv[]) { try { // TODO: Test with FullHD @@ -28,16 +17,17 @@ int main(int argc, char *argv[]) { Builder b; b.set_target(Halide::get_target_from_environment()); + b.with_bb_module("ion-bb"); Node n; n = b.add("image_io_camera").set_param(wparam, hparam); - n = b.add("core_normalize_3d_uint8")(n["output"]); - n = b.add("core_reorder_buffer_3d_float")(n["output"]).set_param(Param{"dim0", "2"}, Param{"dim1", "0"}, Param{"dim2", "1"}); // CHW -> HWC + n = b.add("base_normalize_3d_uint8")(n["output"]); + n = b.add("base_reorder_buffer_3d_float")(n["output"]).set_param(Param{"dim0", "2"}, Param{"dim1", "0"}, Param{"dim2", "1"}); // CHW -> HWC auto img = n["output"]; n = b.add("dnn_tlt_peoplenet")(img); - n = b.add("core_reorder_buffer_3d_float")(n["output"]).set_param(Param{"dim0", "1"}, Param{"dim1", "2"}, Param{"dim2", "0"}); // HWC -> CHW - n = b.add("core_denormalize_3d_uint8")(n["output"]); + n = b.add("base_reorder_buffer_3d_float")(n["output"]).set_param(Param{"dim0", "1"}, Param{"dim1", "2"}, Param{"dim2", "0"}); // HWC -> CHW + n = b.add("base_denormalize_3d_uint8")(n["output"]); n = b.add("image_io_gui_display")(n["output"]).set_param(wparam, hparam); Port out_p1 = n["output"]; diff --git a/example/imx219_isp_display.cc b/example/imx219_isp_display.cc index a2ff8f99..82d63e61 100644 --- a/example/imx219_isp_display.cc +++ b/example/imx219_isp_display.cc @@ -6,14 +6,6 @@ #include -#include "ion-bb-core/bb.h" -#include "ion-bb-image-io/bb.h" -#include "ion-bb-image-processing/bb.h" - -#include "ion-bb-core/rt.h" -#include "ion-bb-image-io/rt.h" -#include "ion-bb-image-processing/rt.h" - #include "util.h" using namespace ion; @@ -29,6 +21,7 @@ int main(int argc, char *argv[]) { Builder b; b.set_target(Halide::Target{get_target_from_cmdline(argc, argv)}); + b.with_bb_module("ion-bb"); constexpr int32_t num = 2; Node n; @@ -42,7 +35,7 @@ int main(int argc, char *argv[]) { } n = b.add("image_processing_tile_image_horizontal_3d_float")(ns[0]["output"], ns[1]["output"]).set_param(Param{"input0_width", std::to_string(quad_width_v)}, Param{"input0_height", std::to_string(quad_height_v)}, Param{"input1_width", std::to_string(quad_width_v)}, Param{"input1_height", std::to_string(quad_height_v)}); - n = b.add("core_denormalize_3d_uint8")(n["output"]); + n = b.add("base_denormalize_3d_uint8")(n["output"]); n = b.add("image_io_gui_display")(n["output"]).set_param(Param{"width", std::to_string(half_width_v)}, Param{"height", std::to_string(quad_height_v)}); PortMap pm; diff --git a/example/io.cc b/example/io.cc index 3a017b8b..8ce650dd 100644 --- a/example/io.cc +++ b/example/io.cc @@ -1,8 +1,8 @@ -#include +#include #include +#include -#include "ion-bb-image-io/bb.h" -#include "ion-bb-image-io/rt.h" +#include using namespace ion; @@ -13,6 +13,7 @@ int main(int argc, char *argv[]) { Builder b; b.set_target(Halide::get_target_from_environment()); + b.with_bb_module("ion-bb"); Node n; n = b.add("image_io_grayscale_data_loader").set_param(Param{"width", std::to_string(width)}, Param{"height", std::to_string(height)}, Param{"url", "http://ion-kit.s3.us-west-2.amazonaws.com/models/20210623_genesis_bayer_image_raw.zip"}, Param{"dynamic_range", "255"}); diff --git a/example/isp.cc b/example/isp.cc index b404e927..c103fd2f 100644 --- a/example/isp.cc +++ b/example/isp.cc @@ -12,14 +12,6 @@ #include #include -#include "ion-bb-core/bb.h" -#include "ion-bb-image-io/bb.h" -#include "ion-bb-image-processing/bb.h" - -#include "ion-bb-core/rt.h" -#include "ion-bb-image-io/rt.h" -#include "ion-bb-image-processing/rt.h" - using namespace ion; void save_image(Halide::Buffer buffer, std::string filename) { @@ -44,190 +36,197 @@ void save_image(Halide::Buffer buffer, std::string filename) { } int main(int argc, char *argv[]) { - assert(argc >= 6); - - Builder b; - b.set_target(Halide::get_target_from_environment()); - - // Parameters for IMX219 - Port input{"input", Halide::type_of(), 2}; - Port offset_r{"offset_r", Halide::type_of()}; - Port offset_g{"offset_g", Halide::type_of()}; - Port offset_b{"offset_b", Halide::type_of()}; - Port gain_r{"gain_r", Halide::type_of()}; - Port gain_g{"gain_g", Halide::type_of()}; - Port gain_b{"gain_b", Halide::type_of()}; - Port shading_correction_slope_r{"shading_correction_slope_r", Halide::type_of()}; - Port shading_correction_slope_g{"shading_correction_slope_g", Halide::type_of()}; - Port shading_correction_slope_b{"shading_correction_slope_b", Halide::type_of()}; - Port shading_correction_offset_r{"shading_correction_offset_r", Halide::type_of()}; - Port shading_correction_offset_g{"shading_correction_offset_g", Halide::type_of()}; - Port shading_correction_offset_b{"shading_correction_offset_b", Halide::type_of()}; - Port coef_color{"coef_color", Halide::type_of()}; - Port coef_space{"coef_space", Halide::type_of()}; - Port gamma{"gamma", Halide::type_of()}; - Port k1{"k1", Halide::type_of()}; - Port k2{"k2", Halide::type_of()}; - Port k3{"k3", Halide::type_of()}; - Port p1{"p1", Halide::type_of()}; - Port p2{"p2", Halide::type_of()}; - Port fx{"fx", Halide::type_of()}; - Port fy{"fy", Halide::type_of()}; - Port cx{"cx", Halide::type_of()}; - Port cy{"cy", Halide::type_of()}; - Port output_scale{"output_scale", Halide::type_of()}; - Port scale{"scale", Halide::type_of()}; - - int32_t width = 3264; - int32_t height = 2464; - float resize_scale = 0.4f; - - PortMap pm; - pm.set(offset_r, 1.f / 16.f); - pm.set(offset_g, 1.f / 16.f); - pm.set(offset_b, 1.f / 16.f); - pm.set(gain_r, 2.5f); - pm.set(gain_g, 2.0f); - pm.set(gain_b, 3.2f); - pm.set(shading_correction_slope_r, 0.7f); - pm.set(shading_correction_slope_g, 0.2f); - pm.set(shading_correction_slope_b, 0.1f); - pm.set(shading_correction_offset_r, 1.f); - pm.set(shading_correction_offset_g, 1.f); - pm.set(shading_correction_offset_b, 1.f); - pm.set(coef_color, 100.f); - pm.set(coef_space, 0.03); - pm.set(gamma, 1.f / 2.2f); - pm.set(k1, 0.f); - pm.set(k2, 0.f); - pm.set(k3, 0.f); - pm.set(scale, resize_scale); - pm.set(p1, 0.f); - pm.set(p2, 0.f); - pm.set(output_scale, 1.f); - pm.set(fx, static_cast(sqrt(width * width + height * height) / 2)); - pm.set(fy, static_cast(sqrt(width * width + height * height) / 2)); - pm.set(cx, width * 0.5f); - pm.set(cy, height * 0.6f); - - Param bayer_pattern{"bayer_pattern", "RGGB"}; - - Node loader, normalize, offset, shading_correction, white_balance, demosaic, luminance, filtered_luminance, luminance_filter, noise_reduction; - Node color_matrix, color_conversion, gamma_correction, distortion_lut, distortion_correction, resize; - Node debug_output; - - loader = b.add("image_io_grayscale_data_loader") - .set_param( - Param{"width", "3264"}, - Param{"height", "2464"}, - Param{"url", "http://ion-kit.s3.us-west-2.amazonaws.com/images/IMX219-3264x2464-RG10.raw"}); - - normalize = b.add("image_processing_normalize_raw_image") - .set_param( - Param{"bit_width", "10"}, - Param{"bit_shift", "0"})( - loader["output"]); - - offset = b.add("image_processing_bayer_offset") - .set_param( - bayer_pattern)( - offset_r, offset_g, - offset_b, - normalize["output"]); - - shading_correction = b.add("image_processing_lens_shading_correction_linear") - .set_param( - bayer_pattern, - Param{"width", std::to_string(width)}, - Param{"height", std::to_string(height)})( - shading_correction_slope_r, - shading_correction_slope_g, - shading_correction_slope_b, - shading_correction_offset_r, - shading_correction_offset_g, - shading_correction_offset_b, - offset["output"]); - white_balance = b.add("image_processing_bayer_white_balance") - .set_param( - bayer_pattern)( - gain_r, - gain_g, - gain_b, - shading_correction["output"]); - demosaic = b.add("image_processing_bayer_demosaic_filter") - .set_param( - bayer_pattern, - Param{"width", std::to_string(width)}, - Param{"height", std::to_string(height)})( - white_balance["output"]); - luminance = b.add("image_processing_calc_luminance") - .set_param( - Param{"luminance_method", "Average"})( - demosaic["output"]); - luminance_filter = b.add("core_constant_buffer_2d_float") - .set_param( - Param{"values", "0.04"}, - Param{"extent0", "5"}, - Param{"extent1", "5"}); - filtered_luminance = b.add("image_processing_convolution_2d") - .set_param( - Param{"boundary_conditions_method", "MirrorInterior"}, - Param{"window_size", "2"}, - Param{"width", std::to_string(width)}, - Param{"height", std::to_string(height)})( - luminance_filter["output"], - luminance["output"]); - noise_reduction = b.add("image_processing_bilateral_filter_3d") - .set_param( - Param{"color_difference_method", "Average"}, - Param{"window_size", "2"}, - Param{"width", std::to_string(width)}, - Param{"height", std::to_string(height)})( - coef_color, - coef_space, - filtered_luminance["output"], - demosaic["output"]); - color_matrix = b.add("core_constant_buffer_2d_float") - .set_param( - Param{"values", "2.20213000 -1.27425000 0.07212000 " - "-0.25650000 1.45961000 -0.20311000 " - "0.07458000 -1.35791000 2.28333000"}, - Param{"extent0", "3"}, - Param{"extent1", "3"}); - color_conversion = b.add("image_processing_color_matrix")( - color_matrix["output"], - noise_reduction["output"]); - distortion_correction = b.add("image_processing_lens_distortion_correction_model_3d") - .set_param( - Param{"width", std::to_string(width)}, - Param{"height", std::to_string(height)})( - k1, - k2, - k3, - p1, - p2, - fx, - fy, - cx, - cy, - output_scale, - color_conversion["output"]); - resize = b.add("image_processing_resize_area_average_3d") - .set_param( - Param{"width", std::to_string(width)}, - Param{"height", std::to_string(height)}, - Param{"scale", std::to_string(resize_scale)})( - distortion_correction["output"]); - gamma_correction = b.add("image_processing_gamma_correction_3d")( - gamma, - resize["output"]); - - Halide::Buffer obuf(width * resize_scale, height * resize_scale, 3); - pm.set(gamma_correction["output"], obuf); - - b.run(pm); - obuf.copy_to_host(); - save_image(obuf, "output.png"); + try { + Builder b; + b.set_target(Halide::get_target_from_environment()); + b.with_bb_module("ion-bb"); + + // Parameters for IMX219 + Port input{"input", Halide::type_of(), 2}; + Port offset_r{"offset_r", Halide::type_of()}; + Port offset_g{"offset_g", Halide::type_of()}; + Port offset_b{"offset_b", Halide::type_of()}; + Port gain_r{"gain_r", Halide::type_of()}; + Port gain_g{"gain_g", Halide::type_of()}; + Port gain_b{"gain_b", Halide::type_of()}; + Port shading_correction_slope_r{"shading_correction_slope_r", Halide::type_of()}; + Port shading_correction_slope_g{"shading_correction_slope_g", Halide::type_of()}; + Port shading_correction_slope_b{"shading_correction_slope_b", Halide::type_of()}; + Port shading_correction_offset_r{"shading_correction_offset_r", Halide::type_of()}; + Port shading_correction_offset_g{"shading_correction_offset_g", Halide::type_of()}; + Port shading_correction_offset_b{"shading_correction_offset_b", Halide::type_of()}; + Port coef_color{"coef_color", Halide::type_of()}; + Port coef_space{"coef_space", Halide::type_of()}; + Port gamma{"gamma", Halide::type_of()}; + Port k1{"k1", Halide::type_of()}; + Port k2{"k2", Halide::type_of()}; + Port k3{"k3", Halide::type_of()}; + Port p1{"p1", Halide::type_of()}; + Port p2{"p2", Halide::type_of()}; + Port fx{"fx", Halide::type_of()}; + Port fy{"fy", Halide::type_of()}; + Port cx{"cx", Halide::type_of()}; + Port cy{"cy", Halide::type_of()}; + Port output_scale{"output_scale", Halide::type_of()}; + Port scale{"scale", Halide::type_of()}; + + int32_t width = 3264; + int32_t height = 2464; + float resize_scale = 0.4f; + + PortMap pm; + pm.set(offset_r, 1.f / 16.f); + pm.set(offset_g, 1.f / 16.f); + pm.set(offset_b, 1.f / 16.f); + pm.set(gain_r, 2.5f); + pm.set(gain_g, 2.0f); + pm.set(gain_b, 3.2f); + pm.set(shading_correction_slope_r, 0.7f); + pm.set(shading_correction_slope_g, 0.2f); + pm.set(shading_correction_slope_b, 0.1f); + pm.set(shading_correction_offset_r, 1.f); + pm.set(shading_correction_offset_g, 1.f); + pm.set(shading_correction_offset_b, 1.f); + pm.set(coef_color, 100.f); + pm.set(coef_space, 0.03); + pm.set(gamma, 1.f / 2.2f); + pm.set(k1, 0.f); + pm.set(k2, 0.f); + pm.set(k3, 0.f); + pm.set(scale, resize_scale); + pm.set(p1, 0.f); + pm.set(p2, 0.f); + pm.set(output_scale, 1.f); + pm.set(fx, static_cast(sqrt(width * width + height * height) / 2)); + pm.set(fy, static_cast(sqrt(width * width + height * height) / 2)); + pm.set(cx, width * 0.5f); + pm.set(cy, height * 0.6f); + + Param bayer_pattern{"bayer_pattern", "RGGB"}; + + Node loader, normalize, offset, shading_correction, white_balance, demosaic, luminance, filtered_luminance, luminance_filter, noise_reduction; + Node color_matrix, color_conversion, gamma_correction, distortion_lut, distortion_correction, resize; + Node debug_output; + + loader = b.add("image_io_grayscale_data_loader") + .set_param( + Param{"width", "3264"}, + Param{"height", "2464"}, + Param{"url", "http://ion-kit.s3.us-west-2.amazonaws.com/images/IMX219-3264x2464-RG10.raw"}); + + normalize = b.add("image_processing_normalize_raw_image") + .set_param( + Param{"bit_width", "10"}, + Param{"bit_shift", "0"})( + loader["output"]); + + offset = b.add("image_processing_bayer_offset") + .set_param( + bayer_pattern)( + offset_r, offset_g, + offset_b, + normalize["output"]); + + shading_correction = b.add("image_processing_lens_shading_correction_linear") + .set_param( + bayer_pattern, + Param{"width", std::to_string(width)}, + Param{"height", std::to_string(height)})( + shading_correction_slope_r, + shading_correction_slope_g, + shading_correction_slope_b, + shading_correction_offset_r, + shading_correction_offset_g, + shading_correction_offset_b, + offset["output"]); + white_balance = b.add("image_processing_bayer_white_balance") + .set_param( + bayer_pattern)( + gain_r, + gain_g, + gain_b, + shading_correction["output"]); + demosaic = b.add("image_processing_bayer_demosaic_filter") + .set_param( + bayer_pattern, + Param{"width", std::to_string(width)}, + Param{"height", std::to_string(height)})( + white_balance["output"]); + luminance = b.add("image_processing_calc_luminance") + .set_param( + Param{"luminance_method", "Average"})( + demosaic["output"]); + luminance_filter = b.add("base_constant_buffer_2d_float") + .set_param( + Param{"values", "0.04"}, + Param{"extent0", "5"}, + Param{"extent1", "5"}); + filtered_luminance = b.add("image_processing_convolution_2d") + .set_param( + Param{"boundary_conditions_method", "MirrorInterior"}, + Param{"window_size", "2"}, + Param{"width", std::to_string(width)}, + Param{"height", std::to_string(height)})( + luminance_filter["output"], + luminance["output"]); + noise_reduction = b.add("image_processing_bilateral_filter_3d") + .set_param( + Param{"color_difference_method", "Average"}, + Param{"window_size", "2"}, + Param{"width", std::to_string(width)}, + Param{"height", std::to_string(height)})( + coef_color, + coef_space, + filtered_luminance["output"], + demosaic["output"]); + color_matrix = b.add("base_constant_buffer_2d_float") + .set_param( + Param{"values", "2.20213000 -1.27425000 0.07212000 " + "-0.25650000 1.45961000 -0.20311000 " + "0.07458000 -1.35791000 2.28333000"}, + Param{"extent0", "3"}, + Param{"extent1", "3"}); + color_conversion = b.add("image_processing_color_matrix")( + color_matrix["output"], + noise_reduction["output"]); + distortion_correction = b.add("image_processing_lens_distortion_correction_model_3d") + .set_param( + Param{"width", std::to_string(width)}, + Param{"height", std::to_string(height)})( + k1, + k2, + k3, + p1, + p2, + fx, + fy, + cx, + cy, + output_scale, + color_conversion["output"]); + resize = b.add("image_processing_resize_area_average_3d") + .set_param( + Param{"width", std::to_string(width)}, + Param{"height", std::to_string(height)}, + Param{"scale", std::to_string(resize_scale)})( + distortion_correction["output"]); + gamma_correction = b.add("image_processing_gamma_correction_3d")( + gamma, + resize["output"]); + + Halide::Buffer obuf(width * resize_scale, height * resize_scale, 3); + pm.set(gamma_correction["output"], obuf); + + b.run(pm); + obuf.copy_to_host(); + save_image(obuf, "output.png"); + } catch (const std::exception &e) { + std::cerr << e.what() << std::endl; + return -1; + } catch (...) { + return -1; + } + return 0; } diff --git a/example/isp_and_sgm.cc b/example/isp_and_sgm.cc index 95213f5f..4310f6a9 100644 --- a/example/isp_and_sgm.cc +++ b/example/isp_and_sgm.cc @@ -8,20 +8,10 @@ #include #include -#include "ion-bb-core/bb.h" -#include "ion-bb-image-processing/bb.h" -#include "ion-bb-image-io/bb.h" -#include "ion-bb-sgm/bb.h" - -#include "ion-bb-core/rt.h" -#include "ion-bb-image-processing/rt.h" -#include "ion-bb-image-io/rt.h" -#include "ion-bb-sgm/rt.h" - using namespace ion; int main(int argc, char *argv[]) { - assert(argc >= 6); + try { int32_t raw_width = 5184; int32_t raw_height = 1944; @@ -148,6 +138,7 @@ int main(int argc, char *argv[]) { Builder b; b.set_target(Halide::get_target_from_environment()); + b.with_bb_module("ion-bb"); // ISP Nodes Node loader, normalize; @@ -216,7 +207,7 @@ int main(int argc, char *argv[]) { .set_param( Param{"luminance_method", "Average"})( demosaic_l["output"]); - luminance_filter_l = b.add("core_constant_buffer_2d_float") + luminance_filter_l = b.add("base_constant_buffer_2d_float") .set_param( Param{"values", "0.04"}, Param{"extent0", "5"}, @@ -239,7 +230,7 @@ int main(int argc, char *argv[]) { coef_space_l, filtered_luminance_l["output"], demosaic_l["output"]); - color_matrix_l = b.add("core_constant_buffer_2d_float") + color_matrix_l = b.add("base_constant_buffer_2d_float") .set_param( Param{"values", "1.5 -0.25 -0.25 " "-0.25 1.5 -0.25 " @@ -325,7 +316,7 @@ int main(int argc, char *argv[]) { .set_param( Param{"luminance_method", "Average"})( demosaic_r["output"]); - luminance_filter_r = b.add("core_constant_buffer_2d_float") + luminance_filter_r = b.add("base_constant_buffer_2d_float") .set_param( Param{"values", "0.04"}, Param{"extent0", "5"}, @@ -348,7 +339,7 @@ int main(int argc, char *argv[]) { coef_space_r, filtered_luminance_r["output"], demosaic_r["output"]); - color_matrix_r = b.add("core_constant_buffer_2d_float") + color_matrix_r = b.add("base_constant_buffer_2d_float") .set_param( Param{"values", "1.5 -0.25 -0.25 " "-0.25 1.5 -0.25 " @@ -387,10 +378,10 @@ int main(int argc, char *argv[]) { gamma_r, final_luminance_r["output"]); - Node ln = b.add("core_denormalize_2d_uint8")(gamma_correction_l["output"]); + Node ln = b.add("base_denormalize_2d_uint8")(gamma_correction_l["output"]); ln = b.add("sgm_census")(ln["output"]).set_param(Param{"width", std::to_string(output_width)}, Param{"height", std::to_string(output_height)}); - Node rn = b.add("core_denormalize_2d_uint8")(gamma_correction_r["output"]); + Node rn = b.add("base_denormalize_2d_uint8")(gamma_correction_r["output"]); rn = b.add("sgm_census")(rn["output"]).set_param(Param{"width", std::to_string(output_width)}, Param{"height", std::to_string(output_height)}); Node n = b.add("sgm_matching_cost")(ln["output"], rn["output"]).set_param(Param{"width", std::to_string(output_width)}, Param{"height", std::to_string(output_height)}); diff --git a/example/producerx3_compile.cc b/example/producerx3_compile.cc index 0be52c15..4271b859 100644 --- a/example/producerx3_compile.cc +++ b/example/producerx3_compile.cc @@ -1,7 +1,5 @@ #include -#include "ion-bb-core/bb.h" - #include using namespace ion; @@ -11,11 +9,12 @@ int main() { Port input{"input", Halide::type_of()}; Builder b; b.set_target(Halide::get_target_from_environment()); + b.with_bb_module("ion-bb"); - Node n = b.add("core_scalar_to_func_uint8")(input); - n = b.add("core_extend_dimension_0d_uint8")(n["output"]); - n = b.add("core_extend_dimension_1d_uint8")(n["output"]); - n = b.add("core_extend_dimension_2d_uint8")(n["output"]); + Node n = b.add("base_scalar_to_func_uint8")(input); + n = b.add("base_extend_dimension_0d_uint8")(n["output"]); + n = b.add("base_extend_dimension_1d_uint8")(n["output"]); + n = b.add("base_extend_dimension_2d_uint8")(n["output"]); b.compile("producerx3"); } catch (const std::exception &e) { diff --git a/example/realsense.cc b/example/realsense.cc index c2c88ca6..40987135 100644 --- a/example/realsense.cc +++ b/example/realsense.cc @@ -10,9 +10,6 @@ #include #include -#include "ion-bb-image-io/bb.h" -#include "ion-bb-image-io/rt.h" - #include "util.h" using namespace ion; @@ -20,6 +17,7 @@ using namespace ion; int main(int argc, char *argv[]) { Builder b; b.set_target(Halide::Target{get_target_from_cmdline(argc, argv)}); + b.with_bb_module("ion-bb"); Node n = b.add("image_io_d435"); diff --git a/example/sgm_compile.cc b/example/sgm_compile.cc index e454b740..c0d6b4d6 100644 --- a/example/sgm_compile.cc +++ b/example/sgm_compile.cc @@ -1,11 +1,5 @@ #include -#include "ion-bb-core/bb.h" -#include "ion-bb-image-io/bb.h" -#include "ion-bb-image-processing/bb.h" -#include "ion-bb-internal/bb.h" -#include "ion-bb-sgm/bb.h" - using namespace ion; int main() { @@ -19,20 +13,21 @@ int main() { Builder b; b.set_target(Halide::get_target_from_environment()); + b.with_bb_module("ion-bb"); Node ln = b.add("image_io_color_data_loader").set_param(Param{"url", "http://ion-kit.s3.us-west-2.amazonaws.com/images/aloe_left.jpg"}, Param{"width", std::to_string(input_width)}, Param{"height", std::to_string(input_height)}); - ln = b.add("core_normalize_3d_uint8")(ln["output"]); + ln = b.add("base_normalize_3d_uint8")(ln["output"]); ln = b.add("image_processing_resize_nearest_3d")(ln["output"]).set_param(Param{"width", std::to_string(input_width)}, Param{"height", std::to_string(input_height)}, Param{"scale", std::to_string(scale)}); - ln = b.add("internal_schedule")(ln["output"]).set_param(Param{"output_name", "scaled_left"}, Param{"compute_level", "compute_root"}); + ln = b.add("base_schedule")(ln["output"]).set_param(Param{"output_name", "scaled_left"}, Param{"compute_level", "compute_root"}); ln = b.add("image_processing_calc_luminance")(ln["output"]).set_param(Param{"luminance_method", "Average"}); - ln = b.add("core_denormalize_2d_uint8")(ln["output"]); + ln = b.add("base_denormalize_2d_uint8")(ln["output"]); Node rn = b.add("image_io_color_data_loader").set_param(Param{"url", "http://ion-kit.s3.us-west-2.amazonaws.com/images/aloe_right.jpg"}, Param{"width", std::to_string(input_width)}, Param{"height", std::to_string(input_height)}); - rn = b.add("core_normalize_3d_uint8")(rn["output"]); + rn = b.add("base_normalize_3d_uint8")(rn["output"]); rn = b.add("image_processing_resize_nearest_3d")(rn["output"]).set_param(Param{"width", std::to_string(input_width)}, Param{"height", std::to_string(input_height)}, Param{"scale", std::to_string(scale)}); - rn = b.add("internal_schedule")(rn["output"]).set_param(Param{"output_name", "scaled_right"}, Param{"compute_level", "compute_root"}); + rn = b.add("base_schedule")(rn["output"]).set_param(Param{"output_name", "scaled_right"}, Param{"compute_level", "compute_root"}); rn = b.add("image_processing_calc_luminance")(rn["output"]).set_param(Param{"luminance_method", "Average"}); - rn = b.add("core_denormalize_2d_uint8")(rn["output"]); + rn = b.add("base_denormalize_2d_uint8")(rn["output"]); Node n = b.add("sgm_sgm")(ln["output"], rn["output"]).set_param(Param{"disp", std::to_string(disp)}, Param{"width", std::to_string(output_width)}, Param{"height", std::to_string(output_height)}); diff --git a/example/sgm_run.cc b/example/sgm_run.cc index 4e5b4c87..f57cafab 100644 --- a/example/sgm_run.cc +++ b/example/sgm_run.cc @@ -1,16 +1,13 @@ -#include "sgm.h" +#include +#include -#include "ion-bb-core/rt.h" -#include "ion-bb-image-io/rt.h" -#include "ion-bb-image-processing/rt.h" -#include "ion-bb-internal/rt.h" -#include "ion-bb-sgm/rt.h" +#include +#include +#include #include -#include - -// using namespace ion; +#include "sgm.h" int main() { try { diff --git a/example/u3v.cc b/example/u3v.cc index 6d0df236..140ab2d8 100644 --- a/example/u3v.cc +++ b/example/u3v.cc @@ -1,6 +1,7 @@ #include #include #include +#include // to display #include @@ -9,14 +10,6 @@ // ion #include -#include "ion-bb-core/bb.h" -#include "ion-bb-core/rt.h" -#include "ion-bb-image-io/bb.h" -#include "ion-bb-image-io/rt.h" -#include "ion-bb-image-processing/bb.h" -#include "ion-bb-image-processing/rt.h" - -#include "ion-bb-image-io/ghc/filesystem.hpp" #define FEATURE_GAIN_KEY "Gain" #define FEATURE_EXPOSURE_KEY "Exposure" @@ -78,7 +71,7 @@ void display_and_save(int32_t width, int32_t height, std::string directory_path, Param{"height", std::to_string(height)}, Param{"scale", std::to_string(2.0f)} ); - n = b.add("core_denormalize_3d_uint8")(n["output"]); + n = b.add("base_denormalize_3d_uint8")(n["output"]); n = b.add("image_processing_crop_image_3d_uint8")(n["output"]).set_param( Param{"input_width", std::to_string(width)}, Param{"input_height", std::to_string(height)}, @@ -100,7 +93,7 @@ void display_and_save(int32_t width, int32_t height, std::string directory_path, Param{"height", std::to_string(height)}, Param{"scale", std::to_string(2.0f)} ); - n = b.add("core_denormalize_3d_uint8")(n["output"]); + n = b.add("base_denormalize_3d_uint8")(n["output"]); n = b.add("image_processing_crop_image_3d_uint8")(n["output"]).set_param( Param{"input_width", std::to_string(width)}, Param{"input_height", std::to_string(height)}, @@ -165,7 +158,7 @@ void display_and_save(int32_t width, int32_t height, std::string directory_path, cv::destroyAllWindows(); } -void open_and_check(int32_t& width, int32_t& height, const ghc::filesystem::path output_directory, uint32_t& file_idx, std::ifstream& ifs, bool *finished) { +void open_and_check(int32_t& width, int32_t& height, const filesystem::path output_directory, uint32_t& file_idx, std::ifstream& ifs, bool *finished) { auto file_path = output_directory / ("raw-" + ::std::to_string(file_idx++) + ".bin"); ifs = ::std::ifstream(file_path, ::std::ios::binary); @@ -185,7 +178,7 @@ void open_and_check(int32_t& width, int32_t& height, const ghc::filesystem::path ifs.seekg(512, ::std::ios_base::beg); } -bool load_header_file(ghc::filesystem::path output_directory, rawHeader header_info) +bool load_header_file(std::filesystem::path output_directory, rawHeader header_info) { std::ifstream ifs; int width_, height_; @@ -253,11 +246,11 @@ int main() { int32_t height = 1080; float fps = 60.0f; - ghc::filesystem::path test_directory = "u3v_framerate_test"; + std::filesystem::path test_directory = "u3v_framerate_test"; std::string output_directory_prefix = "u3v_framerate_test"; - if(! ghc::filesystem::is_directory(test_directory)){ - bool ret = ghc::filesystem::create_directory(test_directory); + if(! std::filesystem::is_directory(test_directory)){ + bool ret = std::filesystem::create_directory(test_directory); } rawHeader header_info = { @@ -268,9 +261,9 @@ int main() { int num_run = 50; for (int i = 0; i < num_run; ++i){ - ghc::filesystem::path output_directory = test_directory / (output_directory_prefix + std::to_string(i)); - if(! ghc::filesystem::is_directory(output_directory)){ - bool ret = ghc::filesystem::create_directory(output_directory); + std::filesystem::path output_directory = test_directory / (output_directory_prefix + std::to_string(i)); + if(! std::filesystem::is_directory(output_directory)){ + bool ret = std::filesystem::create_directory(output_directory); } display_and_save(width, height, output_directory.string(), header_info, i == num_run - 1); bool ret = load_header_file(output_directory, header_info); diff --git a/example/v4l2.cc b/example/v4l2.cc index 03d7b21a..e9c8f115 100644 --- a/example/v4l2.cc +++ b/example/v4l2.cc @@ -10,8 +10,6 @@ #include #include -#include "ion-bb-image-io/bb.h" -#include "ion-bb-image-io/rt.h" #include "util.h" @@ -64,6 +62,7 @@ void save_image(Halide::Buffer buffer, std::string filename) { int main(int argc, char *argv[]) { Builder b; b.set_target(Halide::Target{get_target_from_cmdline(argc, argv)}); + b.with_bb_module("ion-bb"); const int32_t width = 640; const int32_t height = 480; diff --git a/include/ion-bb-core/Dockerfile b/include/ion-bb-core/Dockerfile deleted file mode 100644 index 1de569da..00000000 --- a/include/ion-bb-core/Dockerfile +++ /dev/null @@ -1,19 +0,0 @@ -# Build command: -# $ docker buildx build --platform linux/amd64,linux/arm64 --push -t localhost:5000/ion-bb-demo . - -FROM ubuntu:18.04 -ARG TARGETPLATFORM - -# -# Basic package -# -ENV DEBIAN_FRONTEND=noninteractive -RUN apt-get update && apt-get install -y \ - curl - -# -# Halide -# -RUN cd /usr/include \ - && curl -fsSL -O https://ion-kit.s3.us-west-2.amazonaws.com/dependencies/Halide-Headers-v12.0.1-9a99bee06/HalideRuntime.h \ - -O https://ion-kit.s3.us-west-2.amazonaws.com/dependencies/Halide-Headers-v12.0.1-9a99bee06/HalideBuffer.h diff --git a/include/ion-bb-dnn/json.hpp b/include/ion-bb-dnn/json.hpp deleted file mode 100644 index a70aaf8c..00000000 --- a/include/ion-bb-dnn/json.hpp +++ /dev/null @@ -1,25447 +0,0 @@ -/* - __ _____ _____ _____ - __| | __| | | | JSON for Modern C++ -| | |__ | | | | | | version 3.9.1 -|_____|_____|_____|_|___| https://github.com/nlohmann/json - -Licensed under the MIT License . -SPDX-License-Identifier: MIT -Copyright (c) 2013-2019 Niels Lohmann . - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the Software is -furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in all -copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -SOFTWARE. -*/ - -#ifndef INCLUDE_NLOHMANN_JSON_HPP_ -#define INCLUDE_NLOHMANN_JSON_HPP_ - -#define NLOHMANN_JSON_VERSION_MAJOR 3 -#define NLOHMANN_JSON_VERSION_MINOR 9 -#define NLOHMANN_JSON_VERSION_PATCH 1 - -#include // all_of, find, for_each -#include // nullptr_t, ptrdiff_t, size_t -#include // hash, less -#include // initializer_list -#include // istream, ostream -#include // random_access_iterator_tag -#include // unique_ptr -#include // accumulate -#include // string, stoi, to_string -#include // declval, forward, move, pair, swap -#include // vector - -// #include - - -#include - -// #include - - -#include // transform -#include // array -#include // forward_list -#include // inserter, front_inserter, end -#include // map -#include // string -#include // tuple, make_tuple -#include // is_arithmetic, is_same, is_enum, underlying_type, is_convertible -#include // unordered_map -#include // pair, declval -#include // valarray - -// #include - - -#include // exception -#include // runtime_error -#include // to_string - -// #include - - -#include // size_t - -namespace nlohmann -{ -namespace detail -{ -/// struct to capture the start position of the current token -struct position_t -{ - /// the total number of characters read - std::size_t chars_read_total = 0; - /// the number of characters read in the current line - std::size_t chars_read_current_line = 0; - /// the number of lines read - std::size_t lines_read = 0; - - /// conversion to size_t to preserve SAX interface - constexpr operator size_t() const - { - return chars_read_total; - } -}; - -} // namespace detail -} // namespace nlohmann - -// #include - - -#include // pair -// #include -/* Hedley - https://nemequ.github.io/hedley - * Created by Evan Nemerson - * - * To the extent possible under law, the author(s) have dedicated all - * copyright and related and neighboring rights to this software to - * the public domain worldwide. This software is distributed without - * any warranty. - * - * For details, see . - * SPDX-License-Identifier: CC0-1.0 - */ - -#if !defined(JSON_HEDLEY_VERSION) || (JSON_HEDLEY_VERSION < 13) -#if defined(JSON_HEDLEY_VERSION) - #undef JSON_HEDLEY_VERSION -#endif -#define JSON_HEDLEY_VERSION 13 - -#if defined(JSON_HEDLEY_STRINGIFY_EX) - #undef JSON_HEDLEY_STRINGIFY_EX -#endif -#define JSON_HEDLEY_STRINGIFY_EX(x) #x - -#if defined(JSON_HEDLEY_STRINGIFY) - #undef JSON_HEDLEY_STRINGIFY -#endif -#define JSON_HEDLEY_STRINGIFY(x) JSON_HEDLEY_STRINGIFY_EX(x) - -#if defined(JSON_HEDLEY_CONCAT_EX) - #undef JSON_HEDLEY_CONCAT_EX -#endif -#define JSON_HEDLEY_CONCAT_EX(a,b) a##b - -#if defined(JSON_HEDLEY_CONCAT) - #undef JSON_HEDLEY_CONCAT -#endif -#define JSON_HEDLEY_CONCAT(a,b) JSON_HEDLEY_CONCAT_EX(a,b) - -#if defined(JSON_HEDLEY_CONCAT3_EX) - #undef JSON_HEDLEY_CONCAT3_EX -#endif -#define JSON_HEDLEY_CONCAT3_EX(a,b,c) a##b##c - -#if defined(JSON_HEDLEY_CONCAT3) - #undef JSON_HEDLEY_CONCAT3 -#endif -#define JSON_HEDLEY_CONCAT3(a,b,c) JSON_HEDLEY_CONCAT3_EX(a,b,c) - -#if defined(JSON_HEDLEY_VERSION_ENCODE) - #undef JSON_HEDLEY_VERSION_ENCODE -#endif -#define JSON_HEDLEY_VERSION_ENCODE(major,minor,revision) (((major) * 1000000) + ((minor) * 1000) + (revision)) - -#if defined(JSON_HEDLEY_VERSION_DECODE_MAJOR) - #undef JSON_HEDLEY_VERSION_DECODE_MAJOR -#endif -#define JSON_HEDLEY_VERSION_DECODE_MAJOR(version) ((version) / 1000000) - -#if defined(JSON_HEDLEY_VERSION_DECODE_MINOR) - #undef JSON_HEDLEY_VERSION_DECODE_MINOR -#endif -#define JSON_HEDLEY_VERSION_DECODE_MINOR(version) (((version) % 1000000) / 1000) - -#if defined(JSON_HEDLEY_VERSION_DECODE_REVISION) - #undef JSON_HEDLEY_VERSION_DECODE_REVISION -#endif -#define JSON_HEDLEY_VERSION_DECODE_REVISION(version) ((version) % 1000) - -#if defined(JSON_HEDLEY_GNUC_VERSION) - #undef JSON_HEDLEY_GNUC_VERSION -#endif -#if defined(__GNUC__) && defined(__GNUC_PATCHLEVEL__) - #define JSON_HEDLEY_GNUC_VERSION JSON_HEDLEY_VERSION_ENCODE(__GNUC__, __GNUC_MINOR__, __GNUC_PATCHLEVEL__) -#elif defined(__GNUC__) - #define JSON_HEDLEY_GNUC_VERSION JSON_HEDLEY_VERSION_ENCODE(__GNUC__, __GNUC_MINOR__, 0) -#endif - -#if defined(JSON_HEDLEY_GNUC_VERSION_CHECK) - #undef JSON_HEDLEY_GNUC_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_GNUC_VERSION) - #define JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_GNUC_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else - #define JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_MSVC_VERSION) - #undef JSON_HEDLEY_MSVC_VERSION -#endif -#if defined(_MSC_FULL_VER) && (_MSC_FULL_VER >= 140000000) - #define JSON_HEDLEY_MSVC_VERSION JSON_HEDLEY_VERSION_ENCODE(_MSC_FULL_VER / 10000000, (_MSC_FULL_VER % 10000000) / 100000, (_MSC_FULL_VER % 100000) / 100) -#elif defined(_MSC_FULL_VER) - #define JSON_HEDLEY_MSVC_VERSION JSON_HEDLEY_VERSION_ENCODE(_MSC_FULL_VER / 1000000, (_MSC_FULL_VER % 1000000) / 10000, (_MSC_FULL_VER % 10000) / 10) -#elif defined(_MSC_VER) - #define JSON_HEDLEY_MSVC_VERSION JSON_HEDLEY_VERSION_ENCODE(_MSC_VER / 100, _MSC_VER % 100, 0) -#endif - -#if defined(JSON_HEDLEY_MSVC_VERSION_CHECK) - #undef JSON_HEDLEY_MSVC_VERSION_CHECK -#endif -#if !defined(_MSC_VER) - #define JSON_HEDLEY_MSVC_VERSION_CHECK(major,minor,patch) (0) -#elif defined(_MSC_VER) && (_MSC_VER >= 1400) - #define JSON_HEDLEY_MSVC_VERSION_CHECK(major,minor,patch) (_MSC_FULL_VER >= ((major * 10000000) + (minor * 100000) + (patch))) -#elif defined(_MSC_VER) && (_MSC_VER >= 1200) - #define JSON_HEDLEY_MSVC_VERSION_CHECK(major,minor,patch) (_MSC_FULL_VER >= ((major * 1000000) + (minor * 10000) + (patch))) -#else - #define JSON_HEDLEY_MSVC_VERSION_CHECK(major,minor,patch) (_MSC_VER >= ((major * 100) + (minor))) -#endif - -#if defined(JSON_HEDLEY_INTEL_VERSION) - #undef JSON_HEDLEY_INTEL_VERSION -#endif -#if defined(__INTEL_COMPILER) && defined(__INTEL_COMPILER_UPDATE) - #define JSON_HEDLEY_INTEL_VERSION JSON_HEDLEY_VERSION_ENCODE(__INTEL_COMPILER / 100, __INTEL_COMPILER % 100, __INTEL_COMPILER_UPDATE) -#elif defined(__INTEL_COMPILER) - #define JSON_HEDLEY_INTEL_VERSION JSON_HEDLEY_VERSION_ENCODE(__INTEL_COMPILER / 100, __INTEL_COMPILER % 100, 0) -#endif - -#if defined(JSON_HEDLEY_INTEL_VERSION_CHECK) - #undef JSON_HEDLEY_INTEL_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_INTEL_VERSION) - #define JSON_HEDLEY_INTEL_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_INTEL_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else - #define JSON_HEDLEY_INTEL_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_PGI_VERSION) - #undef JSON_HEDLEY_PGI_VERSION -#endif -#if defined(__PGI) && defined(__PGIC__) && defined(__PGIC_MINOR__) && defined(__PGIC_PATCHLEVEL__) - #define JSON_HEDLEY_PGI_VERSION JSON_HEDLEY_VERSION_ENCODE(__PGIC__, __PGIC_MINOR__, __PGIC_PATCHLEVEL__) -#endif - -#if defined(JSON_HEDLEY_PGI_VERSION_CHECK) - #undef JSON_HEDLEY_PGI_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_PGI_VERSION) - #define JSON_HEDLEY_PGI_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_PGI_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else - #define JSON_HEDLEY_PGI_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_SUNPRO_VERSION) - #undef JSON_HEDLEY_SUNPRO_VERSION -#endif -#if defined(__SUNPRO_C) && (__SUNPRO_C > 0x1000) - #define JSON_HEDLEY_SUNPRO_VERSION JSON_HEDLEY_VERSION_ENCODE((((__SUNPRO_C >> 16) & 0xf) * 10) + ((__SUNPRO_C >> 12) & 0xf), (((__SUNPRO_C >> 8) & 0xf) * 10) + ((__SUNPRO_C >> 4) & 0xf), (__SUNPRO_C & 0xf) * 10) -#elif defined(__SUNPRO_C) - #define JSON_HEDLEY_SUNPRO_VERSION JSON_HEDLEY_VERSION_ENCODE((__SUNPRO_C >> 8) & 0xf, (__SUNPRO_C >> 4) & 0xf, (__SUNPRO_C) & 0xf) -#elif defined(__SUNPRO_CC) && (__SUNPRO_CC > 0x1000) - #define JSON_HEDLEY_SUNPRO_VERSION JSON_HEDLEY_VERSION_ENCODE((((__SUNPRO_CC >> 16) & 0xf) * 10) + ((__SUNPRO_CC >> 12) & 0xf), (((__SUNPRO_CC >> 8) & 0xf) * 10) + ((__SUNPRO_CC >> 4) & 0xf), (__SUNPRO_CC & 0xf) * 10) -#elif defined(__SUNPRO_CC) - #define JSON_HEDLEY_SUNPRO_VERSION JSON_HEDLEY_VERSION_ENCODE((__SUNPRO_CC >> 8) & 0xf, (__SUNPRO_CC >> 4) & 0xf, (__SUNPRO_CC) & 0xf) -#endif - -#if defined(JSON_HEDLEY_SUNPRO_VERSION_CHECK) - #undef JSON_HEDLEY_SUNPRO_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_SUNPRO_VERSION) - #define JSON_HEDLEY_SUNPRO_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_SUNPRO_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else - #define JSON_HEDLEY_SUNPRO_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_EMSCRIPTEN_VERSION) - #undef JSON_HEDLEY_EMSCRIPTEN_VERSION -#endif -#if defined(__EMSCRIPTEN__) - #define JSON_HEDLEY_EMSCRIPTEN_VERSION JSON_HEDLEY_VERSION_ENCODE(__EMSCRIPTEN_major__, __EMSCRIPTEN_minor__, __EMSCRIPTEN_tiny__) -#endif - -#if defined(JSON_HEDLEY_EMSCRIPTEN_VERSION_CHECK) - #undef JSON_HEDLEY_EMSCRIPTEN_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_EMSCRIPTEN_VERSION) - #define JSON_HEDLEY_EMSCRIPTEN_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_EMSCRIPTEN_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else - #define JSON_HEDLEY_EMSCRIPTEN_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_ARM_VERSION) - #undef JSON_HEDLEY_ARM_VERSION -#endif -#if defined(__CC_ARM) && defined(__ARMCOMPILER_VERSION) - #define JSON_HEDLEY_ARM_VERSION JSON_HEDLEY_VERSION_ENCODE(__ARMCOMPILER_VERSION / 1000000, (__ARMCOMPILER_VERSION % 1000000) / 10000, (__ARMCOMPILER_VERSION % 10000) / 100) -#elif defined(__CC_ARM) && defined(__ARMCC_VERSION) - #define JSON_HEDLEY_ARM_VERSION JSON_HEDLEY_VERSION_ENCODE(__ARMCC_VERSION / 1000000, (__ARMCC_VERSION % 1000000) / 10000, (__ARMCC_VERSION % 10000) / 100) -#endif - -#if defined(JSON_HEDLEY_ARM_VERSION_CHECK) - #undef JSON_HEDLEY_ARM_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_ARM_VERSION) - #define JSON_HEDLEY_ARM_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_ARM_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else - #define JSON_HEDLEY_ARM_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_IBM_VERSION) - #undef JSON_HEDLEY_IBM_VERSION -#endif -#if defined(__ibmxl__) - #define JSON_HEDLEY_IBM_VERSION JSON_HEDLEY_VERSION_ENCODE(__ibmxl_version__, __ibmxl_release__, __ibmxl_modification__) -#elif defined(__xlC__) && defined(__xlC_ver__) - #define JSON_HEDLEY_IBM_VERSION JSON_HEDLEY_VERSION_ENCODE(__xlC__ >> 8, __xlC__ & 0xff, (__xlC_ver__ >> 8) & 0xff) -#elif defined(__xlC__) - #define JSON_HEDLEY_IBM_VERSION JSON_HEDLEY_VERSION_ENCODE(__xlC__ >> 8, __xlC__ & 0xff, 0) -#endif - -#if defined(JSON_HEDLEY_IBM_VERSION_CHECK) - #undef JSON_HEDLEY_IBM_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_IBM_VERSION) - #define JSON_HEDLEY_IBM_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_IBM_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else - #define JSON_HEDLEY_IBM_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_TI_VERSION) - #undef JSON_HEDLEY_TI_VERSION -#endif -#if \ - defined(__TI_COMPILER_VERSION__) && \ - ( \ - defined(__TMS470__) || defined(__TI_ARM__) || \ - defined(__MSP430__) || \ - defined(__TMS320C2000__) \ - ) -#if (__TI_COMPILER_VERSION__ >= 16000000) - #define JSON_HEDLEY_TI_VERSION JSON_HEDLEY_VERSION_ENCODE(__TI_COMPILER_VERSION__ / 1000000, (__TI_COMPILER_VERSION__ % 1000000) / 1000, (__TI_COMPILER_VERSION__ % 1000)) -#endif -#endif - -#if defined(JSON_HEDLEY_TI_VERSION_CHECK) - #undef JSON_HEDLEY_TI_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_TI_VERSION) - #define JSON_HEDLEY_TI_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_TI_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else - #define JSON_HEDLEY_TI_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_TI_CL2000_VERSION) - #undef JSON_HEDLEY_TI_CL2000_VERSION -#endif -#if defined(__TI_COMPILER_VERSION__) && defined(__TMS320C2000__) - #define JSON_HEDLEY_TI_CL2000_VERSION JSON_HEDLEY_VERSION_ENCODE(__TI_COMPILER_VERSION__ / 1000000, (__TI_COMPILER_VERSION__ % 1000000) / 1000, (__TI_COMPILER_VERSION__ % 1000)) -#endif - -#if defined(JSON_HEDLEY_TI_CL2000_VERSION_CHECK) - #undef JSON_HEDLEY_TI_CL2000_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_TI_CL2000_VERSION) - #define JSON_HEDLEY_TI_CL2000_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_TI_CL2000_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else - #define JSON_HEDLEY_TI_CL2000_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_TI_CL430_VERSION) - #undef JSON_HEDLEY_TI_CL430_VERSION -#endif -#if defined(__TI_COMPILER_VERSION__) && defined(__MSP430__) - #define JSON_HEDLEY_TI_CL430_VERSION JSON_HEDLEY_VERSION_ENCODE(__TI_COMPILER_VERSION__ / 1000000, (__TI_COMPILER_VERSION__ % 1000000) / 1000, (__TI_COMPILER_VERSION__ % 1000)) -#endif - -#if defined(JSON_HEDLEY_TI_CL430_VERSION_CHECK) - #undef JSON_HEDLEY_TI_CL430_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_TI_CL430_VERSION) - #define JSON_HEDLEY_TI_CL430_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_TI_CL430_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else - #define JSON_HEDLEY_TI_CL430_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_TI_ARMCL_VERSION) - #undef JSON_HEDLEY_TI_ARMCL_VERSION -#endif -#if defined(__TI_COMPILER_VERSION__) && (defined(__TMS470__) || defined(__TI_ARM__)) - #define JSON_HEDLEY_TI_ARMCL_VERSION JSON_HEDLEY_VERSION_ENCODE(__TI_COMPILER_VERSION__ / 1000000, (__TI_COMPILER_VERSION__ % 1000000) / 1000, (__TI_COMPILER_VERSION__ % 1000)) -#endif - -#if defined(JSON_HEDLEY_TI_ARMCL_VERSION_CHECK) - #undef JSON_HEDLEY_TI_ARMCL_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_TI_ARMCL_VERSION) - #define JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_TI_ARMCL_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else - #define JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_TI_CL6X_VERSION) - #undef JSON_HEDLEY_TI_CL6X_VERSION -#endif -#if defined(__TI_COMPILER_VERSION__) && defined(__TMS320C6X__) - #define JSON_HEDLEY_TI_CL6X_VERSION JSON_HEDLEY_VERSION_ENCODE(__TI_COMPILER_VERSION__ / 1000000, (__TI_COMPILER_VERSION__ % 1000000) / 1000, (__TI_COMPILER_VERSION__ % 1000)) -#endif - -#if defined(JSON_HEDLEY_TI_CL6X_VERSION_CHECK) - #undef JSON_HEDLEY_TI_CL6X_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_TI_CL6X_VERSION) - #define JSON_HEDLEY_TI_CL6X_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_TI_CL6X_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else - #define JSON_HEDLEY_TI_CL6X_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_TI_CL7X_VERSION) - #undef JSON_HEDLEY_TI_CL7X_VERSION -#endif -#if defined(__TI_COMPILER_VERSION__) && defined(__C7000__) - #define JSON_HEDLEY_TI_CL7X_VERSION JSON_HEDLEY_VERSION_ENCODE(__TI_COMPILER_VERSION__ / 1000000, (__TI_COMPILER_VERSION__ % 1000000) / 1000, (__TI_COMPILER_VERSION__ % 1000)) -#endif - -#if defined(JSON_HEDLEY_TI_CL7X_VERSION_CHECK) - #undef JSON_HEDLEY_TI_CL7X_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_TI_CL7X_VERSION) - #define JSON_HEDLEY_TI_CL7X_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_TI_CL7X_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else - #define JSON_HEDLEY_TI_CL7X_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_TI_CLPRU_VERSION) - #undef JSON_HEDLEY_TI_CLPRU_VERSION -#endif -#if defined(__TI_COMPILER_VERSION__) && defined(__PRU__) - #define JSON_HEDLEY_TI_CLPRU_VERSION JSON_HEDLEY_VERSION_ENCODE(__TI_COMPILER_VERSION__ / 1000000, (__TI_COMPILER_VERSION__ % 1000000) / 1000, (__TI_COMPILER_VERSION__ % 1000)) -#endif - -#if defined(JSON_HEDLEY_TI_CLPRU_VERSION_CHECK) - #undef JSON_HEDLEY_TI_CLPRU_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_TI_CLPRU_VERSION) - #define JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_TI_CLPRU_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else - #define JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_CRAY_VERSION) - #undef JSON_HEDLEY_CRAY_VERSION -#endif -#if defined(_CRAYC) - #if defined(_RELEASE_PATCHLEVEL) - #define JSON_HEDLEY_CRAY_VERSION JSON_HEDLEY_VERSION_ENCODE(_RELEASE_MAJOR, _RELEASE_MINOR, _RELEASE_PATCHLEVEL) - #else - #define JSON_HEDLEY_CRAY_VERSION JSON_HEDLEY_VERSION_ENCODE(_RELEASE_MAJOR, _RELEASE_MINOR, 0) - #endif -#endif - -#if defined(JSON_HEDLEY_CRAY_VERSION_CHECK) - #undef JSON_HEDLEY_CRAY_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_CRAY_VERSION) - #define JSON_HEDLEY_CRAY_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_CRAY_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else - #define JSON_HEDLEY_CRAY_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_IAR_VERSION) - #undef JSON_HEDLEY_IAR_VERSION -#endif -#if defined(__IAR_SYSTEMS_ICC__) - #if __VER__ > 1000 - #define JSON_HEDLEY_IAR_VERSION JSON_HEDLEY_VERSION_ENCODE((__VER__ / 1000000), ((__VER__ / 1000) % 1000), (__VER__ % 1000)) - #else - #define JSON_HEDLEY_IAR_VERSION JSON_HEDLEY_VERSION_ENCODE(VER / 100, __VER__ % 100, 0) - #endif -#endif - -#if defined(JSON_HEDLEY_IAR_VERSION_CHECK) - #undef JSON_HEDLEY_IAR_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_IAR_VERSION) - #define JSON_HEDLEY_IAR_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_IAR_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else - #define JSON_HEDLEY_IAR_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_TINYC_VERSION) - #undef JSON_HEDLEY_TINYC_VERSION -#endif -#if defined(__TINYC__) - #define JSON_HEDLEY_TINYC_VERSION JSON_HEDLEY_VERSION_ENCODE(__TINYC__ / 1000, (__TINYC__ / 100) % 10, __TINYC__ % 100) -#endif - -#if defined(JSON_HEDLEY_TINYC_VERSION_CHECK) - #undef JSON_HEDLEY_TINYC_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_TINYC_VERSION) - #define JSON_HEDLEY_TINYC_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_TINYC_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else - #define JSON_HEDLEY_TINYC_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_DMC_VERSION) - #undef JSON_HEDLEY_DMC_VERSION -#endif -#if defined(__DMC__) - #define JSON_HEDLEY_DMC_VERSION JSON_HEDLEY_VERSION_ENCODE(__DMC__ >> 8, (__DMC__ >> 4) & 0xf, __DMC__ & 0xf) -#endif - -#if defined(JSON_HEDLEY_DMC_VERSION_CHECK) - #undef JSON_HEDLEY_DMC_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_DMC_VERSION) - #define JSON_HEDLEY_DMC_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_DMC_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else - #define JSON_HEDLEY_DMC_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_COMPCERT_VERSION) - #undef JSON_HEDLEY_COMPCERT_VERSION -#endif -#if defined(__COMPCERT_VERSION__) - #define JSON_HEDLEY_COMPCERT_VERSION JSON_HEDLEY_VERSION_ENCODE(__COMPCERT_VERSION__ / 10000, (__COMPCERT_VERSION__ / 100) % 100, __COMPCERT_VERSION__ % 100) -#endif - -#if defined(JSON_HEDLEY_COMPCERT_VERSION_CHECK) - #undef JSON_HEDLEY_COMPCERT_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_COMPCERT_VERSION) - #define JSON_HEDLEY_COMPCERT_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_COMPCERT_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else - #define JSON_HEDLEY_COMPCERT_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_PELLES_VERSION) - #undef JSON_HEDLEY_PELLES_VERSION -#endif -#if defined(__POCC__) - #define JSON_HEDLEY_PELLES_VERSION JSON_HEDLEY_VERSION_ENCODE(__POCC__ / 100, __POCC__ % 100, 0) -#endif - -#if defined(JSON_HEDLEY_PELLES_VERSION_CHECK) - #undef JSON_HEDLEY_PELLES_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_PELLES_VERSION) - #define JSON_HEDLEY_PELLES_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_PELLES_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else - #define JSON_HEDLEY_PELLES_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_GCC_VERSION) - #undef JSON_HEDLEY_GCC_VERSION -#endif -#if \ - defined(JSON_HEDLEY_GNUC_VERSION) && \ - !defined(__clang__) && \ - !defined(JSON_HEDLEY_INTEL_VERSION) && \ - !defined(JSON_HEDLEY_PGI_VERSION) && \ - !defined(JSON_HEDLEY_ARM_VERSION) && \ - !defined(JSON_HEDLEY_TI_VERSION) && \ - !defined(JSON_HEDLEY_TI_ARMCL_VERSION) && \ - !defined(JSON_HEDLEY_TI_CL430_VERSION) && \ - !defined(JSON_HEDLEY_TI_CL2000_VERSION) && \ - !defined(JSON_HEDLEY_TI_CL6X_VERSION) && \ - !defined(JSON_HEDLEY_TI_CL7X_VERSION) && \ - !defined(JSON_HEDLEY_TI_CLPRU_VERSION) && \ - !defined(__COMPCERT__) - #define JSON_HEDLEY_GCC_VERSION JSON_HEDLEY_GNUC_VERSION -#endif - -#if defined(JSON_HEDLEY_GCC_VERSION_CHECK) - #undef JSON_HEDLEY_GCC_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_GCC_VERSION) - #define JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_GCC_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else - #define JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_HAS_ATTRIBUTE) - #undef JSON_HEDLEY_HAS_ATTRIBUTE -#endif -#if defined(__has_attribute) - #define JSON_HEDLEY_HAS_ATTRIBUTE(attribute) __has_attribute(attribute) -#else - #define JSON_HEDLEY_HAS_ATTRIBUTE(attribute) (0) -#endif - -#if defined(JSON_HEDLEY_GNUC_HAS_ATTRIBUTE) - #undef JSON_HEDLEY_GNUC_HAS_ATTRIBUTE -#endif -#if defined(__has_attribute) - #define JSON_HEDLEY_GNUC_HAS_ATTRIBUTE(attribute,major,minor,patch) __has_attribute(attribute) -#else - #define JSON_HEDLEY_GNUC_HAS_ATTRIBUTE(attribute,major,minor,patch) JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_GCC_HAS_ATTRIBUTE) - #undef JSON_HEDLEY_GCC_HAS_ATTRIBUTE -#endif -#if defined(__has_attribute) - #define JSON_HEDLEY_GCC_HAS_ATTRIBUTE(attribute,major,minor,patch) __has_attribute(attribute) -#else - #define JSON_HEDLEY_GCC_HAS_ATTRIBUTE(attribute,major,minor,patch) JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_HAS_CPP_ATTRIBUTE) - #undef JSON_HEDLEY_HAS_CPP_ATTRIBUTE -#endif -#if \ - defined(__has_cpp_attribute) && \ - defined(__cplusplus) && \ - (!defined(JSON_HEDLEY_SUNPRO_VERSION) || JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,15,0)) - #define JSON_HEDLEY_HAS_CPP_ATTRIBUTE(attribute) __has_cpp_attribute(attribute) -#else - #define JSON_HEDLEY_HAS_CPP_ATTRIBUTE(attribute) (0) -#endif - -#if defined(JSON_HEDLEY_HAS_CPP_ATTRIBUTE_NS) - #undef JSON_HEDLEY_HAS_CPP_ATTRIBUTE_NS -#endif -#if !defined(__cplusplus) || !defined(__has_cpp_attribute) - #define JSON_HEDLEY_HAS_CPP_ATTRIBUTE_NS(ns,attribute) (0) -#elif \ - !defined(JSON_HEDLEY_PGI_VERSION) && \ - !defined(JSON_HEDLEY_IAR_VERSION) && \ - (!defined(JSON_HEDLEY_SUNPRO_VERSION) || JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,15,0)) && \ - (!defined(JSON_HEDLEY_MSVC_VERSION) || JSON_HEDLEY_MSVC_VERSION_CHECK(19,20,0)) - #define JSON_HEDLEY_HAS_CPP_ATTRIBUTE_NS(ns,attribute) JSON_HEDLEY_HAS_CPP_ATTRIBUTE(ns::attribute) -#else - #define JSON_HEDLEY_HAS_CPP_ATTRIBUTE_NS(ns,attribute) (0) -#endif - -#if defined(JSON_HEDLEY_GNUC_HAS_CPP_ATTRIBUTE) - #undef JSON_HEDLEY_GNUC_HAS_CPP_ATTRIBUTE -#endif -#if defined(__has_cpp_attribute) && defined(__cplusplus) - #define JSON_HEDLEY_GNUC_HAS_CPP_ATTRIBUTE(attribute,major,minor,patch) __has_cpp_attribute(attribute) -#else - #define JSON_HEDLEY_GNUC_HAS_CPP_ATTRIBUTE(attribute,major,minor,patch) JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_GCC_HAS_CPP_ATTRIBUTE) - #undef JSON_HEDLEY_GCC_HAS_CPP_ATTRIBUTE -#endif -#if defined(__has_cpp_attribute) && defined(__cplusplus) - #define JSON_HEDLEY_GCC_HAS_CPP_ATTRIBUTE(attribute,major,minor,patch) __has_cpp_attribute(attribute) -#else - #define JSON_HEDLEY_GCC_HAS_CPP_ATTRIBUTE(attribute,major,minor,patch) JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_HAS_BUILTIN) - #undef JSON_HEDLEY_HAS_BUILTIN -#endif -#if defined(__has_builtin) - #define JSON_HEDLEY_HAS_BUILTIN(builtin) __has_builtin(builtin) -#else - #define JSON_HEDLEY_HAS_BUILTIN(builtin) (0) -#endif - -#if defined(JSON_HEDLEY_GNUC_HAS_BUILTIN) - #undef JSON_HEDLEY_GNUC_HAS_BUILTIN -#endif -#if defined(__has_builtin) - #define JSON_HEDLEY_GNUC_HAS_BUILTIN(builtin,major,minor,patch) __has_builtin(builtin) -#else - #define JSON_HEDLEY_GNUC_HAS_BUILTIN(builtin,major,minor,patch) JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_GCC_HAS_BUILTIN) - #undef JSON_HEDLEY_GCC_HAS_BUILTIN -#endif -#if defined(__has_builtin) - #define JSON_HEDLEY_GCC_HAS_BUILTIN(builtin,major,minor,patch) __has_builtin(builtin) -#else - #define JSON_HEDLEY_GCC_HAS_BUILTIN(builtin,major,minor,patch) JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_HAS_FEATURE) - #undef JSON_HEDLEY_HAS_FEATURE -#endif -#if defined(__has_feature) - #define JSON_HEDLEY_HAS_FEATURE(feature) __has_feature(feature) -#else - #define JSON_HEDLEY_HAS_FEATURE(feature) (0) -#endif - -#if defined(JSON_HEDLEY_GNUC_HAS_FEATURE) - #undef JSON_HEDLEY_GNUC_HAS_FEATURE -#endif -#if defined(__has_feature) - #define JSON_HEDLEY_GNUC_HAS_FEATURE(feature,major,minor,patch) __has_feature(feature) -#else - #define JSON_HEDLEY_GNUC_HAS_FEATURE(feature,major,minor,patch) JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_GCC_HAS_FEATURE) - #undef JSON_HEDLEY_GCC_HAS_FEATURE -#endif -#if defined(__has_feature) - #define JSON_HEDLEY_GCC_HAS_FEATURE(feature,major,minor,patch) __has_feature(feature) -#else - #define JSON_HEDLEY_GCC_HAS_FEATURE(feature,major,minor,patch) JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_HAS_EXTENSION) - #undef JSON_HEDLEY_HAS_EXTENSION -#endif -#if defined(__has_extension) - #define JSON_HEDLEY_HAS_EXTENSION(extension) __has_extension(extension) -#else - #define JSON_HEDLEY_HAS_EXTENSION(extension) (0) -#endif - -#if defined(JSON_HEDLEY_GNUC_HAS_EXTENSION) - #undef JSON_HEDLEY_GNUC_HAS_EXTENSION -#endif -#if defined(__has_extension) - #define JSON_HEDLEY_GNUC_HAS_EXTENSION(extension,major,minor,patch) __has_extension(extension) -#else - #define JSON_HEDLEY_GNUC_HAS_EXTENSION(extension,major,minor,patch) JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_GCC_HAS_EXTENSION) - #undef JSON_HEDLEY_GCC_HAS_EXTENSION -#endif -#if defined(__has_extension) - #define JSON_HEDLEY_GCC_HAS_EXTENSION(extension,major,minor,patch) __has_extension(extension) -#else - #define JSON_HEDLEY_GCC_HAS_EXTENSION(extension,major,minor,patch) JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_HAS_DECLSPEC_ATTRIBUTE) - #undef JSON_HEDLEY_HAS_DECLSPEC_ATTRIBUTE -#endif -#if defined(__has_declspec_attribute) - #define JSON_HEDLEY_HAS_DECLSPEC_ATTRIBUTE(attribute) __has_declspec_attribute(attribute) -#else - #define JSON_HEDLEY_HAS_DECLSPEC_ATTRIBUTE(attribute) (0) -#endif - -#if defined(JSON_HEDLEY_GNUC_HAS_DECLSPEC_ATTRIBUTE) - #undef JSON_HEDLEY_GNUC_HAS_DECLSPEC_ATTRIBUTE -#endif -#if defined(__has_declspec_attribute) - #define JSON_HEDLEY_GNUC_HAS_DECLSPEC_ATTRIBUTE(attribute,major,minor,patch) __has_declspec_attribute(attribute) -#else - #define JSON_HEDLEY_GNUC_HAS_DECLSPEC_ATTRIBUTE(attribute,major,minor,patch) JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_GCC_HAS_DECLSPEC_ATTRIBUTE) - #undef JSON_HEDLEY_GCC_HAS_DECLSPEC_ATTRIBUTE -#endif -#if defined(__has_declspec_attribute) - #define JSON_HEDLEY_GCC_HAS_DECLSPEC_ATTRIBUTE(attribute,major,minor,patch) __has_declspec_attribute(attribute) -#else - #define JSON_HEDLEY_GCC_HAS_DECLSPEC_ATTRIBUTE(attribute,major,minor,patch) JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_HAS_WARNING) - #undef JSON_HEDLEY_HAS_WARNING -#endif -#if defined(__has_warning) - #define JSON_HEDLEY_HAS_WARNING(warning) __has_warning(warning) -#else - #define JSON_HEDLEY_HAS_WARNING(warning) (0) -#endif - -#if defined(JSON_HEDLEY_GNUC_HAS_WARNING) - #undef JSON_HEDLEY_GNUC_HAS_WARNING -#endif -#if defined(__has_warning) - #define JSON_HEDLEY_GNUC_HAS_WARNING(warning,major,minor,patch) __has_warning(warning) -#else - #define JSON_HEDLEY_GNUC_HAS_WARNING(warning,major,minor,patch) JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_GCC_HAS_WARNING) - #undef JSON_HEDLEY_GCC_HAS_WARNING -#endif -#if defined(__has_warning) - #define JSON_HEDLEY_GCC_HAS_WARNING(warning,major,minor,patch) __has_warning(warning) -#else - #define JSON_HEDLEY_GCC_HAS_WARNING(warning,major,minor,patch) JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) -#endif - -/* JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_ is for - HEDLEY INTERNAL USE ONLY. API subject to change without notice. */ -#if defined(JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_) - #undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_ -#endif -#if defined(__cplusplus) -# if JSON_HEDLEY_HAS_WARNING("-Wc++98-compat") -# if JSON_HEDLEY_HAS_WARNING("-Wc++17-extensions") -# define JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_(xpr) \ - JSON_HEDLEY_DIAGNOSTIC_PUSH \ - _Pragma("clang diagnostic ignored \"-Wc++98-compat\"") \ - _Pragma("clang diagnostic ignored \"-Wc++17-extensions\"") \ - xpr \ - JSON_HEDLEY_DIAGNOSTIC_POP -# else -# define JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_(xpr) \ - JSON_HEDLEY_DIAGNOSTIC_PUSH \ - _Pragma("clang diagnostic ignored \"-Wc++98-compat\"") \ - xpr \ - JSON_HEDLEY_DIAGNOSTIC_POP -# endif -# endif -#endif -#if !defined(JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_) - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_(x) x -#endif - -#if defined(JSON_HEDLEY_CONST_CAST) - #undef JSON_HEDLEY_CONST_CAST -#endif -#if defined(__cplusplus) -# define JSON_HEDLEY_CONST_CAST(T, expr) (const_cast(expr)) -#elif \ - JSON_HEDLEY_HAS_WARNING("-Wcast-qual") || \ - JSON_HEDLEY_GCC_VERSION_CHECK(4,6,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) -# define JSON_HEDLEY_CONST_CAST(T, expr) (__extension__ ({ \ - JSON_HEDLEY_DIAGNOSTIC_PUSH \ - JSON_HEDLEY_DIAGNOSTIC_DISABLE_CAST_QUAL \ - ((T) (expr)); \ - JSON_HEDLEY_DIAGNOSTIC_POP \ - })) -#else -# define JSON_HEDLEY_CONST_CAST(T, expr) ((T) (expr)) -#endif - -#if defined(JSON_HEDLEY_REINTERPRET_CAST) - #undef JSON_HEDLEY_REINTERPRET_CAST -#endif -#if defined(__cplusplus) - #define JSON_HEDLEY_REINTERPRET_CAST(T, expr) (reinterpret_cast(expr)) -#else - #define JSON_HEDLEY_REINTERPRET_CAST(T, expr) ((T) (expr)) -#endif - -#if defined(JSON_HEDLEY_STATIC_CAST) - #undef JSON_HEDLEY_STATIC_CAST -#endif -#if defined(__cplusplus) - #define JSON_HEDLEY_STATIC_CAST(T, expr) (static_cast(expr)) -#else - #define JSON_HEDLEY_STATIC_CAST(T, expr) ((T) (expr)) -#endif - -#if defined(JSON_HEDLEY_CPP_CAST) - #undef JSON_HEDLEY_CPP_CAST -#endif -#if defined(__cplusplus) -# if JSON_HEDLEY_HAS_WARNING("-Wold-style-cast") -# define JSON_HEDLEY_CPP_CAST(T, expr) \ - JSON_HEDLEY_DIAGNOSTIC_PUSH \ - _Pragma("clang diagnostic ignored \"-Wold-style-cast\"") \ - ((T) (expr)) \ - JSON_HEDLEY_DIAGNOSTIC_POP -# elif JSON_HEDLEY_IAR_VERSION_CHECK(8,3,0) -# define JSON_HEDLEY_CPP_CAST(T, expr) \ - JSON_HEDLEY_DIAGNOSTIC_PUSH \ - _Pragma("diag_suppress=Pe137") \ - JSON_HEDLEY_DIAGNOSTIC_POP \ -# else -# define JSON_HEDLEY_CPP_CAST(T, expr) ((T) (expr)) -# endif -#else -# define JSON_HEDLEY_CPP_CAST(T, expr) (expr) -#endif - -#if \ - (defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)) || \ - defined(__clang__) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(3,0,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) || \ - JSON_HEDLEY_PGI_VERSION_CHECK(18,4,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ - JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,7,0) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(2,0,1) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,1,0) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,0,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) || \ - JSON_HEDLEY_CRAY_VERSION_CHECK(5,0,0) || \ - JSON_HEDLEY_TINYC_VERSION_CHECK(0,9,17) || \ - JSON_HEDLEY_SUNPRO_VERSION_CHECK(8,0,0) || \ - (JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) && defined(__C99_PRAGMA_OPERATOR)) - #define JSON_HEDLEY_PRAGMA(value) _Pragma(#value) -#elif JSON_HEDLEY_MSVC_VERSION_CHECK(15,0,0) - #define JSON_HEDLEY_PRAGMA(value) __pragma(value) -#else - #define JSON_HEDLEY_PRAGMA(value) -#endif - -#if defined(JSON_HEDLEY_DIAGNOSTIC_PUSH) - #undef JSON_HEDLEY_DIAGNOSTIC_PUSH -#endif -#if defined(JSON_HEDLEY_DIAGNOSTIC_POP) - #undef JSON_HEDLEY_DIAGNOSTIC_POP -#endif -#if defined(__clang__) - #define JSON_HEDLEY_DIAGNOSTIC_PUSH _Pragma("clang diagnostic push") - #define JSON_HEDLEY_DIAGNOSTIC_POP _Pragma("clang diagnostic pop") -#elif JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) - #define JSON_HEDLEY_DIAGNOSTIC_PUSH _Pragma("warning(push)") - #define JSON_HEDLEY_DIAGNOSTIC_POP _Pragma("warning(pop)") -#elif JSON_HEDLEY_GCC_VERSION_CHECK(4,6,0) - #define JSON_HEDLEY_DIAGNOSTIC_PUSH _Pragma("GCC diagnostic push") - #define JSON_HEDLEY_DIAGNOSTIC_POP _Pragma("GCC diagnostic pop") -#elif JSON_HEDLEY_MSVC_VERSION_CHECK(15,0,0) - #define JSON_HEDLEY_DIAGNOSTIC_PUSH __pragma(warning(push)) - #define JSON_HEDLEY_DIAGNOSTIC_POP __pragma(warning(pop)) -#elif JSON_HEDLEY_ARM_VERSION_CHECK(5,6,0) - #define JSON_HEDLEY_DIAGNOSTIC_PUSH _Pragma("push") - #define JSON_HEDLEY_DIAGNOSTIC_POP _Pragma("pop") -#elif \ - JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,4,0) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(8,1,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) - #define JSON_HEDLEY_DIAGNOSTIC_PUSH _Pragma("diag_push") - #define JSON_HEDLEY_DIAGNOSTIC_POP _Pragma("diag_pop") -#elif JSON_HEDLEY_PELLES_VERSION_CHECK(2,90,0) - #define JSON_HEDLEY_DIAGNOSTIC_PUSH _Pragma("warning(push)") - #define JSON_HEDLEY_DIAGNOSTIC_POP _Pragma("warning(pop)") -#else - #define JSON_HEDLEY_DIAGNOSTIC_PUSH - #define JSON_HEDLEY_DIAGNOSTIC_POP -#endif - -#if defined(JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED) - #undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED -#endif -#if JSON_HEDLEY_HAS_WARNING("-Wdeprecated-declarations") - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("clang diagnostic ignored \"-Wdeprecated-declarations\"") -#elif JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("warning(disable:1478 1786)") -#elif JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0) - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("diag_suppress 1215,1444") -#elif JSON_HEDLEY_GCC_VERSION_CHECK(4,3,0) - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") -#elif JSON_HEDLEY_MSVC_VERSION_CHECK(15,0,0) - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED __pragma(warning(disable:4996)) -#elif \ - JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ - (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ - (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ - (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ - (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("diag_suppress 1291,1718") -#elif JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,13,0) && !defined(__cplusplus) - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("error_messages(off,E_DEPRECATED_ATT,E_DEPRECATED_ATT_MESS)") -#elif JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,13,0) && defined(__cplusplus) - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("error_messages(off,symdeprecated,symdeprecated2)") -#elif JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("diag_suppress=Pe1444,Pe1215") -#elif JSON_HEDLEY_PELLES_VERSION_CHECK(2,90,0) - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("warn(disable:2241)") -#else - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED -#endif - -#if defined(JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS) - #undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS -#endif -#if JSON_HEDLEY_HAS_WARNING("-Wunknown-pragmas") - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("clang diagnostic ignored \"-Wunknown-pragmas\"") -#elif JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("warning(disable:161)") -#elif JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0) - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("diag_suppress 1675") -#elif JSON_HEDLEY_GCC_VERSION_CHECK(4,3,0) - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("GCC diagnostic ignored \"-Wunknown-pragmas\"") -#elif JSON_HEDLEY_MSVC_VERSION_CHECK(15,0,0) - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS __pragma(warning(disable:4068)) -#elif \ - JSON_HEDLEY_TI_VERSION_CHECK(16,9,0) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(8,0,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,3,0) - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("diag_suppress 163") -#elif JSON_HEDLEY_TI_CL6X_VERSION_CHECK(8,0,0) - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("diag_suppress 163") -#elif JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("diag_suppress=Pe161") -#else - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS -#endif - -#if defined(JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES) - #undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES -#endif -#if JSON_HEDLEY_HAS_WARNING("-Wunknown-attributes") - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("clang diagnostic ignored \"-Wunknown-attributes\"") -#elif JSON_HEDLEY_GCC_VERSION_CHECK(4,6,0) - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") -#elif JSON_HEDLEY_INTEL_VERSION_CHECK(17,0,0) - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("warning(disable:1292)") -#elif JSON_HEDLEY_MSVC_VERSION_CHECK(19,0,0) - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES __pragma(warning(disable:5030)) -#elif JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0) - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("diag_suppress 1097") -#elif JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,14,0) && defined(__cplusplus) - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("error_messages(off,attrskipunsup)") -#elif \ - JSON_HEDLEY_TI_VERSION_CHECK(18,1,0) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(8,3,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("diag_suppress 1173") -#elif JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("diag_suppress=Pe1097") -#else - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES -#endif - -#if defined(JSON_HEDLEY_DIAGNOSTIC_DISABLE_CAST_QUAL) - #undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_CAST_QUAL -#endif -#if JSON_HEDLEY_HAS_WARNING("-Wcast-qual") - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_CAST_QUAL _Pragma("clang diagnostic ignored \"-Wcast-qual\"") -#elif JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_CAST_QUAL _Pragma("warning(disable:2203 2331)") -#elif JSON_HEDLEY_GCC_VERSION_CHECK(3,0,0) - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_CAST_QUAL _Pragma("GCC diagnostic ignored \"-Wcast-qual\"") -#else - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_CAST_QUAL -#endif - -#if defined(JSON_HEDLEY_DEPRECATED) - #undef JSON_HEDLEY_DEPRECATED -#endif -#if defined(JSON_HEDLEY_DEPRECATED_FOR) - #undef JSON_HEDLEY_DEPRECATED_FOR -#endif -#if JSON_HEDLEY_MSVC_VERSION_CHECK(14,0,0) - #define JSON_HEDLEY_DEPRECATED(since) __declspec(deprecated("Since " # since)) - #define JSON_HEDLEY_DEPRECATED_FOR(since, replacement) __declspec(deprecated("Since " #since "; use " #replacement)) -#elif defined(__cplusplus) && (__cplusplus >= 201402L) - #define JSON_HEDLEY_DEPRECATED(since) JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[deprecated("Since " #since)]]) - #define JSON_HEDLEY_DEPRECATED_FOR(since, replacement) JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[deprecated("Since " #since "; use " #replacement)]]) -#elif \ - JSON_HEDLEY_HAS_EXTENSION(attribute_deprecated_with_message) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(4,5,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(5,6,0) || \ - JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,13,0) || \ - JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0) || \ - JSON_HEDLEY_TI_VERSION_CHECK(18,1,0) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(18,1,0) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(8,3,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,3,0) - #define JSON_HEDLEY_DEPRECATED(since) __attribute__((__deprecated__("Since " #since))) - #define JSON_HEDLEY_DEPRECATED_FOR(since, replacement) __attribute__((__deprecated__("Since " #since "; use " #replacement))) -#elif \ - JSON_HEDLEY_HAS_ATTRIBUTE(deprecated) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(3,1,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ - JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ - (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ - (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ - (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ - (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) - #define JSON_HEDLEY_DEPRECATED(since) __attribute__((__deprecated__)) - #define JSON_HEDLEY_DEPRECATED_FOR(since, replacement) __attribute__((__deprecated__)) -#elif \ - JSON_HEDLEY_MSVC_VERSION_CHECK(13,10,0) || \ - JSON_HEDLEY_PELLES_VERSION_CHECK(6,50,0) - #define JSON_HEDLEY_DEPRECATED(since) __declspec(deprecated) - #define JSON_HEDLEY_DEPRECATED_FOR(since, replacement) __declspec(deprecated) -#elif JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) - #define JSON_HEDLEY_DEPRECATED(since) _Pragma("deprecated") - #define JSON_HEDLEY_DEPRECATED_FOR(since, replacement) _Pragma("deprecated") -#else - #define JSON_HEDLEY_DEPRECATED(since) - #define JSON_HEDLEY_DEPRECATED_FOR(since, replacement) -#endif - -#if defined(JSON_HEDLEY_UNAVAILABLE) - #undef JSON_HEDLEY_UNAVAILABLE -#endif -#if \ - JSON_HEDLEY_HAS_ATTRIBUTE(warning) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(4,3,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) - #define JSON_HEDLEY_UNAVAILABLE(available_since) __attribute__((__warning__("Not available until " #available_since))) -#else - #define JSON_HEDLEY_UNAVAILABLE(available_since) -#endif - -#if defined(JSON_HEDLEY_WARN_UNUSED_RESULT) - #undef JSON_HEDLEY_WARN_UNUSED_RESULT -#endif -#if defined(JSON_HEDLEY_WARN_UNUSED_RESULT_MSG) - #undef JSON_HEDLEY_WARN_UNUSED_RESULT_MSG -#endif -#if (JSON_HEDLEY_HAS_CPP_ATTRIBUTE(nodiscard) >= 201907L) - #define JSON_HEDLEY_WARN_UNUSED_RESULT JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[nodiscard]]) - #define JSON_HEDLEY_WARN_UNUSED_RESULT_MSG(msg) JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[nodiscard(msg)]]) -#elif JSON_HEDLEY_HAS_CPP_ATTRIBUTE(nodiscard) - #define JSON_HEDLEY_WARN_UNUSED_RESULT JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[nodiscard]]) - #define JSON_HEDLEY_WARN_UNUSED_RESULT_MSG(msg) JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[nodiscard]]) -#elif \ - JSON_HEDLEY_HAS_ATTRIBUTE(warn_unused_result) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(3,4,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ - (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ - (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ - (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ - (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) || \ - (JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,15,0) && defined(__cplusplus)) || \ - JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0) - #define JSON_HEDLEY_WARN_UNUSED_RESULT __attribute__((__warn_unused_result__)) - #define JSON_HEDLEY_WARN_UNUSED_RESULT_MSG(msg) __attribute__((__warn_unused_result__)) -#elif defined(_Check_return_) /* SAL */ - #define JSON_HEDLEY_WARN_UNUSED_RESULT _Check_return_ - #define JSON_HEDLEY_WARN_UNUSED_RESULT_MSG(msg) _Check_return_ -#else - #define JSON_HEDLEY_WARN_UNUSED_RESULT - #define JSON_HEDLEY_WARN_UNUSED_RESULT_MSG(msg) -#endif - -#if defined(JSON_HEDLEY_SENTINEL) - #undef JSON_HEDLEY_SENTINEL -#endif -#if \ - JSON_HEDLEY_HAS_ATTRIBUTE(sentinel) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(4,0,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(5,4,0) - #define JSON_HEDLEY_SENTINEL(position) __attribute__((__sentinel__(position))) -#else - #define JSON_HEDLEY_SENTINEL(position) -#endif - -#if defined(JSON_HEDLEY_NO_RETURN) - #undef JSON_HEDLEY_NO_RETURN -#endif -#if JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) - #define JSON_HEDLEY_NO_RETURN __noreturn -#elif JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) - #define JSON_HEDLEY_NO_RETURN __attribute__((__noreturn__)) -#elif defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L - #define JSON_HEDLEY_NO_RETURN _Noreturn -#elif defined(__cplusplus) && (__cplusplus >= 201103L) - #define JSON_HEDLEY_NO_RETURN JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[noreturn]]) -#elif \ - JSON_HEDLEY_HAS_ATTRIBUTE(noreturn) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(3,2,0) || \ - JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,11,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) || \ - JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ - (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ - (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ - (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ - (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) - #define JSON_HEDLEY_NO_RETURN __attribute__((__noreturn__)) -#elif JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,10,0) - #define JSON_HEDLEY_NO_RETURN _Pragma("does_not_return") -#elif JSON_HEDLEY_MSVC_VERSION_CHECK(13,10,0) - #define JSON_HEDLEY_NO_RETURN __declspec(noreturn) -#elif JSON_HEDLEY_TI_CL6X_VERSION_CHECK(6,0,0) && defined(__cplusplus) - #define JSON_HEDLEY_NO_RETURN _Pragma("FUNC_NEVER_RETURNS;") -#elif JSON_HEDLEY_COMPCERT_VERSION_CHECK(3,2,0) - #define JSON_HEDLEY_NO_RETURN __attribute((noreturn)) -#elif JSON_HEDLEY_PELLES_VERSION_CHECK(9,0,0) - #define JSON_HEDLEY_NO_RETURN __declspec(noreturn) -#else - #define JSON_HEDLEY_NO_RETURN -#endif - -#if defined(JSON_HEDLEY_NO_ESCAPE) - #undef JSON_HEDLEY_NO_ESCAPE -#endif -#if JSON_HEDLEY_HAS_ATTRIBUTE(noescape) - #define JSON_HEDLEY_NO_ESCAPE __attribute__((__noescape__)) -#else - #define JSON_HEDLEY_NO_ESCAPE -#endif - -#if defined(JSON_HEDLEY_UNREACHABLE) - #undef JSON_HEDLEY_UNREACHABLE -#endif -#if defined(JSON_HEDLEY_UNREACHABLE_RETURN) - #undef JSON_HEDLEY_UNREACHABLE_RETURN -#endif -#if defined(JSON_HEDLEY_ASSUME) - #undef JSON_HEDLEY_ASSUME -#endif -#if \ - JSON_HEDLEY_MSVC_VERSION_CHECK(13,10,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) - #define JSON_HEDLEY_ASSUME(expr) __assume(expr) -#elif JSON_HEDLEY_HAS_BUILTIN(__builtin_assume) - #define JSON_HEDLEY_ASSUME(expr) __builtin_assume(expr) -#elif \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,2,0) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(4,0,0) - #if defined(__cplusplus) - #define JSON_HEDLEY_ASSUME(expr) std::_nassert(expr) - #else - #define JSON_HEDLEY_ASSUME(expr) _nassert(expr) - #endif -#endif -#if \ - (JSON_HEDLEY_HAS_BUILTIN(__builtin_unreachable) && (!defined(JSON_HEDLEY_ARM_VERSION))) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(4,5,0) || \ - JSON_HEDLEY_PGI_VERSION_CHECK(18,10,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(13,1,5) - #define JSON_HEDLEY_UNREACHABLE() __builtin_unreachable() -#elif defined(JSON_HEDLEY_ASSUME) - #define JSON_HEDLEY_UNREACHABLE() JSON_HEDLEY_ASSUME(0) -#endif -#if !defined(JSON_HEDLEY_ASSUME) - #if defined(JSON_HEDLEY_UNREACHABLE) - #define JSON_HEDLEY_ASSUME(expr) JSON_HEDLEY_STATIC_CAST(void, ((expr) ? 1 : (JSON_HEDLEY_UNREACHABLE(), 1))) - #else - #define JSON_HEDLEY_ASSUME(expr) JSON_HEDLEY_STATIC_CAST(void, expr) - #endif -#endif -#if defined(JSON_HEDLEY_UNREACHABLE) - #if \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,2,0) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(4,0,0) - #define JSON_HEDLEY_UNREACHABLE_RETURN(value) return (JSON_HEDLEY_STATIC_CAST(void, JSON_HEDLEY_ASSUME(0)), (value)) - #else - #define JSON_HEDLEY_UNREACHABLE_RETURN(value) JSON_HEDLEY_UNREACHABLE() - #endif -#else - #define JSON_HEDLEY_UNREACHABLE_RETURN(value) return (value) -#endif -#if !defined(JSON_HEDLEY_UNREACHABLE) - #define JSON_HEDLEY_UNREACHABLE() JSON_HEDLEY_ASSUME(0) -#endif - -JSON_HEDLEY_DIAGNOSTIC_PUSH -#if JSON_HEDLEY_HAS_WARNING("-Wpedantic") - #pragma clang diagnostic ignored "-Wpedantic" -#endif -#if JSON_HEDLEY_HAS_WARNING("-Wc++98-compat-pedantic") && defined(__cplusplus) - #pragma clang diagnostic ignored "-Wc++98-compat-pedantic" -#endif -#if JSON_HEDLEY_GCC_HAS_WARNING("-Wvariadic-macros",4,0,0) - #if defined(__clang__) - #pragma clang diagnostic ignored "-Wvariadic-macros" - #elif defined(JSON_HEDLEY_GCC_VERSION) - #pragma GCC diagnostic ignored "-Wvariadic-macros" - #endif -#endif -#if defined(JSON_HEDLEY_NON_NULL) - #undef JSON_HEDLEY_NON_NULL -#endif -#if \ - JSON_HEDLEY_HAS_ATTRIBUTE(nonnull) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(3,3,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) - #define JSON_HEDLEY_NON_NULL(...) __attribute__((__nonnull__(__VA_ARGS__))) -#else - #define JSON_HEDLEY_NON_NULL(...) -#endif -JSON_HEDLEY_DIAGNOSTIC_POP - -#if defined(JSON_HEDLEY_PRINTF_FORMAT) - #undef JSON_HEDLEY_PRINTF_FORMAT -#endif -#if defined(__MINGW32__) && JSON_HEDLEY_GCC_HAS_ATTRIBUTE(format,4,4,0) && !defined(__USE_MINGW_ANSI_STDIO) - #define JSON_HEDLEY_PRINTF_FORMAT(string_idx,first_to_check) __attribute__((__format__(ms_printf, string_idx, first_to_check))) -#elif defined(__MINGW32__) && JSON_HEDLEY_GCC_HAS_ATTRIBUTE(format,4,4,0) && defined(__USE_MINGW_ANSI_STDIO) - #define JSON_HEDLEY_PRINTF_FORMAT(string_idx,first_to_check) __attribute__((__format__(gnu_printf, string_idx, first_to_check))) -#elif \ - JSON_HEDLEY_HAS_ATTRIBUTE(format) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(3,1,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(5,6,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) || \ - JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ - (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ - (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ - (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ - (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) - #define JSON_HEDLEY_PRINTF_FORMAT(string_idx,first_to_check) __attribute__((__format__(__printf__, string_idx, first_to_check))) -#elif JSON_HEDLEY_PELLES_VERSION_CHECK(6,0,0) - #define JSON_HEDLEY_PRINTF_FORMAT(string_idx,first_to_check) __declspec(vaformat(printf,string_idx,first_to_check)) -#else - #define JSON_HEDLEY_PRINTF_FORMAT(string_idx,first_to_check) -#endif - -#if defined(JSON_HEDLEY_CONSTEXPR) - #undef JSON_HEDLEY_CONSTEXPR -#endif -#if defined(__cplusplus) - #if __cplusplus >= 201103L - #define JSON_HEDLEY_CONSTEXPR JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_(constexpr) - #endif -#endif -#if !defined(JSON_HEDLEY_CONSTEXPR) - #define JSON_HEDLEY_CONSTEXPR -#endif - -#if defined(JSON_HEDLEY_PREDICT) - #undef JSON_HEDLEY_PREDICT -#endif -#if defined(JSON_HEDLEY_LIKELY) - #undef JSON_HEDLEY_LIKELY -#endif -#if defined(JSON_HEDLEY_UNLIKELY) - #undef JSON_HEDLEY_UNLIKELY -#endif -#if defined(JSON_HEDLEY_UNPREDICTABLE) - #undef JSON_HEDLEY_UNPREDICTABLE -#endif -#if JSON_HEDLEY_HAS_BUILTIN(__builtin_unpredictable) - #define JSON_HEDLEY_UNPREDICTABLE(expr) __builtin_unpredictable((expr)) -#endif -#if \ - JSON_HEDLEY_HAS_BUILTIN(__builtin_expect_with_probability) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(9,0,0) -# define JSON_HEDLEY_PREDICT(expr, value, probability) __builtin_expect_with_probability( (expr), (value), (probability)) -# define JSON_HEDLEY_PREDICT_TRUE(expr, probability) __builtin_expect_with_probability(!!(expr), 1 , (probability)) -# define JSON_HEDLEY_PREDICT_FALSE(expr, probability) __builtin_expect_with_probability(!!(expr), 0 , (probability)) -# define JSON_HEDLEY_LIKELY(expr) __builtin_expect (!!(expr), 1 ) -# define JSON_HEDLEY_UNLIKELY(expr) __builtin_expect (!!(expr), 0 ) -#elif \ - JSON_HEDLEY_HAS_BUILTIN(__builtin_expect) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(3,0,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - (JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,15,0) && defined(__cplusplus)) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) || \ - JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,7,0) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(3,1,0) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,1,0) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(6,1,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) || \ - JSON_HEDLEY_TINYC_VERSION_CHECK(0,9,27) || \ - JSON_HEDLEY_CRAY_VERSION_CHECK(8,1,0) -# define JSON_HEDLEY_PREDICT(expr, expected, probability) \ - (((probability) >= 0.9) ? __builtin_expect((expr), (expected)) : (JSON_HEDLEY_STATIC_CAST(void, expected), (expr))) -# define JSON_HEDLEY_PREDICT_TRUE(expr, probability) \ - (__extension__ ({ \ - double hedley_probability_ = (probability); \ - ((hedley_probability_ >= 0.9) ? __builtin_expect(!!(expr), 1) : ((hedley_probability_ <= 0.1) ? __builtin_expect(!!(expr), 0) : !!(expr))); \ - })) -# define JSON_HEDLEY_PREDICT_FALSE(expr, probability) \ - (__extension__ ({ \ - double hedley_probability_ = (probability); \ - ((hedley_probability_ >= 0.9) ? __builtin_expect(!!(expr), 0) : ((hedley_probability_ <= 0.1) ? __builtin_expect(!!(expr), 1) : !!(expr))); \ - })) -# define JSON_HEDLEY_LIKELY(expr) __builtin_expect(!!(expr), 1) -# define JSON_HEDLEY_UNLIKELY(expr) __builtin_expect(!!(expr), 0) -#else -# define JSON_HEDLEY_PREDICT(expr, expected, probability) (JSON_HEDLEY_STATIC_CAST(void, expected), (expr)) -# define JSON_HEDLEY_PREDICT_TRUE(expr, probability) (!!(expr)) -# define JSON_HEDLEY_PREDICT_FALSE(expr, probability) (!!(expr)) -# define JSON_HEDLEY_LIKELY(expr) (!!(expr)) -# define JSON_HEDLEY_UNLIKELY(expr) (!!(expr)) -#endif -#if !defined(JSON_HEDLEY_UNPREDICTABLE) - #define JSON_HEDLEY_UNPREDICTABLE(expr) JSON_HEDLEY_PREDICT(expr, 1, 0.5) -#endif - -#if defined(JSON_HEDLEY_MALLOC) - #undef JSON_HEDLEY_MALLOC -#endif -#if \ - JSON_HEDLEY_HAS_ATTRIBUTE(malloc) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(3,1,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,11,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(12,1,0) || \ - JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ - (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ - (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ - (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ - (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) - #define JSON_HEDLEY_MALLOC __attribute__((__malloc__)) -#elif JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,10,0) - #define JSON_HEDLEY_MALLOC _Pragma("returns_new_memory") -#elif JSON_HEDLEY_MSVC_VERSION_CHECK(14, 0, 0) - #define JSON_HEDLEY_MALLOC __declspec(restrict) -#else - #define JSON_HEDLEY_MALLOC -#endif - -#if defined(JSON_HEDLEY_PURE) - #undef JSON_HEDLEY_PURE -#endif -#if \ - JSON_HEDLEY_HAS_ATTRIBUTE(pure) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(2,96,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,11,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) || \ - JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ - (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ - (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ - (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ - (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) || \ - JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0) -# define JSON_HEDLEY_PURE __attribute__((__pure__)) -#elif JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,10,0) -# define JSON_HEDLEY_PURE _Pragma("does_not_write_global_data") -#elif defined(__cplusplus) && \ - ( \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(2,0,1) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(4,0,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) \ - ) -# define JSON_HEDLEY_PURE _Pragma("FUNC_IS_PURE;") -#else -# define JSON_HEDLEY_PURE -#endif - -#if defined(JSON_HEDLEY_CONST) - #undef JSON_HEDLEY_CONST -#endif -#if \ - JSON_HEDLEY_HAS_ATTRIBUTE(const) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(2,5,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,11,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) || \ - JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ - (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ - (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ - (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ - (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) || \ - JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0) - #define JSON_HEDLEY_CONST __attribute__((__const__)) -#elif \ - JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,10,0) - #define JSON_HEDLEY_CONST _Pragma("no_side_effect") -#else - #define JSON_HEDLEY_CONST JSON_HEDLEY_PURE -#endif - -#if defined(JSON_HEDLEY_RESTRICT) - #undef JSON_HEDLEY_RESTRICT -#endif -#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) && !defined(__cplusplus) - #define JSON_HEDLEY_RESTRICT restrict -#elif \ - JSON_HEDLEY_GCC_VERSION_CHECK(3,1,0) || \ - JSON_HEDLEY_MSVC_VERSION_CHECK(14,0,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) || \ - JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,2,4) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(8,1,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - (JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,14,0) && defined(__cplusplus)) || \ - JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) || \ - defined(__clang__) - #define JSON_HEDLEY_RESTRICT __restrict -#elif JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,3,0) && !defined(__cplusplus) - #define JSON_HEDLEY_RESTRICT _Restrict -#else - #define JSON_HEDLEY_RESTRICT -#endif - -#if defined(JSON_HEDLEY_INLINE) - #undef JSON_HEDLEY_INLINE -#endif -#if \ - (defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)) || \ - (defined(__cplusplus) && (__cplusplus >= 199711L)) - #define JSON_HEDLEY_INLINE inline -#elif \ - defined(JSON_HEDLEY_GCC_VERSION) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(6,2,0) - #define JSON_HEDLEY_INLINE __inline__ -#elif \ - JSON_HEDLEY_MSVC_VERSION_CHECK(12,0,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,1,0) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(3,1,0) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,2,0) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(8,0,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) - #define JSON_HEDLEY_INLINE __inline -#else - #define JSON_HEDLEY_INLINE -#endif - -#if defined(JSON_HEDLEY_ALWAYS_INLINE) - #undef JSON_HEDLEY_ALWAYS_INLINE -#endif -#if \ - JSON_HEDLEY_HAS_ATTRIBUTE(always_inline) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(4,0,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,11,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) || \ - JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ - (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ - (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ - (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ - (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) -# define JSON_HEDLEY_ALWAYS_INLINE __attribute__((__always_inline__)) JSON_HEDLEY_INLINE -#elif JSON_HEDLEY_MSVC_VERSION_CHECK(12,0,0) -# define JSON_HEDLEY_ALWAYS_INLINE __forceinline -#elif defined(__cplusplus) && \ - ( \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(6,1,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) \ - ) -# define JSON_HEDLEY_ALWAYS_INLINE _Pragma("FUNC_ALWAYS_INLINE;") -#elif JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) -# define JSON_HEDLEY_ALWAYS_INLINE _Pragma("inline=forced") -#else -# define JSON_HEDLEY_ALWAYS_INLINE JSON_HEDLEY_INLINE -#endif - -#if defined(JSON_HEDLEY_NEVER_INLINE) - #undef JSON_HEDLEY_NEVER_INLINE -#endif -#if \ - JSON_HEDLEY_HAS_ATTRIBUTE(noinline) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(4,0,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,11,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) || \ - JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ - (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ - (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ - (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ - (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) - #define JSON_HEDLEY_NEVER_INLINE __attribute__((__noinline__)) -#elif JSON_HEDLEY_MSVC_VERSION_CHECK(13,10,0) - #define JSON_HEDLEY_NEVER_INLINE __declspec(noinline) -#elif JSON_HEDLEY_PGI_VERSION_CHECK(10,2,0) - #define JSON_HEDLEY_NEVER_INLINE _Pragma("noinline") -#elif JSON_HEDLEY_TI_CL6X_VERSION_CHECK(6,0,0) && defined(__cplusplus) - #define JSON_HEDLEY_NEVER_INLINE _Pragma("FUNC_CANNOT_INLINE;") -#elif JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) - #define JSON_HEDLEY_NEVER_INLINE _Pragma("inline=never") -#elif JSON_HEDLEY_COMPCERT_VERSION_CHECK(3,2,0) - #define JSON_HEDLEY_NEVER_INLINE __attribute((noinline)) -#elif JSON_HEDLEY_PELLES_VERSION_CHECK(9,0,0) - #define JSON_HEDLEY_NEVER_INLINE __declspec(noinline) -#else - #define JSON_HEDLEY_NEVER_INLINE -#endif - -#if defined(JSON_HEDLEY_PRIVATE) - #undef JSON_HEDLEY_PRIVATE -#endif -#if defined(JSON_HEDLEY_PUBLIC) - #undef JSON_HEDLEY_PUBLIC -#endif -#if defined(JSON_HEDLEY_IMPORT) - #undef JSON_HEDLEY_IMPORT -#endif -#if defined(_WIN32) || defined(__CYGWIN__) -# define JSON_HEDLEY_PRIVATE -# define JSON_HEDLEY_PUBLIC __declspec(dllexport) -# define JSON_HEDLEY_IMPORT __declspec(dllimport) -#else -# if \ - JSON_HEDLEY_HAS_ATTRIBUTE(visibility) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(3,3,0) || \ - JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,11,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(13,1,0) || \ - ( \ - defined(__TI_EABI__) && \ - ( \ - (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) \ - ) \ - ) -# define JSON_HEDLEY_PRIVATE __attribute__((__visibility__("hidden"))) -# define JSON_HEDLEY_PUBLIC __attribute__((__visibility__("default"))) -# else -# define JSON_HEDLEY_PRIVATE -# define JSON_HEDLEY_PUBLIC -# endif -# define JSON_HEDLEY_IMPORT extern -#endif - -#if defined(JSON_HEDLEY_NO_THROW) - #undef JSON_HEDLEY_NO_THROW -#endif -#if \ - JSON_HEDLEY_HAS_ATTRIBUTE(nothrow) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(3,3,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) - #define JSON_HEDLEY_NO_THROW __attribute__((__nothrow__)) -#elif \ - JSON_HEDLEY_MSVC_VERSION_CHECK(13,1,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) - #define JSON_HEDLEY_NO_THROW __declspec(nothrow) -#else - #define JSON_HEDLEY_NO_THROW -#endif - -#if defined(JSON_HEDLEY_FALL_THROUGH) - #undef JSON_HEDLEY_FALL_THROUGH -#endif -#if \ - JSON_HEDLEY_HAS_ATTRIBUTE(fallthrough) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(7,0,0) - #define JSON_HEDLEY_FALL_THROUGH __attribute__((__fallthrough__)) -#elif JSON_HEDLEY_HAS_CPP_ATTRIBUTE_NS(clang,fallthrough) - #define JSON_HEDLEY_FALL_THROUGH JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[clang::fallthrough]]) -#elif JSON_HEDLEY_HAS_CPP_ATTRIBUTE(fallthrough) - #define JSON_HEDLEY_FALL_THROUGH JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[fallthrough]]) -#elif defined(__fallthrough) /* SAL */ - #define JSON_HEDLEY_FALL_THROUGH __fallthrough -#else - #define JSON_HEDLEY_FALL_THROUGH -#endif - -#if defined(JSON_HEDLEY_RETURNS_NON_NULL) - #undef JSON_HEDLEY_RETURNS_NON_NULL -#endif -#if \ - JSON_HEDLEY_HAS_ATTRIBUTE(returns_nonnull) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(4,9,0) - #define JSON_HEDLEY_RETURNS_NON_NULL __attribute__((__returns_nonnull__)) -#elif defined(_Ret_notnull_) /* SAL */ - #define JSON_HEDLEY_RETURNS_NON_NULL _Ret_notnull_ -#else - #define JSON_HEDLEY_RETURNS_NON_NULL -#endif - -#if defined(JSON_HEDLEY_ARRAY_PARAM) - #undef JSON_HEDLEY_ARRAY_PARAM -#endif -#if \ - defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) && \ - !defined(__STDC_NO_VLA__) && \ - !defined(__cplusplus) && \ - !defined(JSON_HEDLEY_PGI_VERSION) && \ - !defined(JSON_HEDLEY_TINYC_VERSION) - #define JSON_HEDLEY_ARRAY_PARAM(name) (name) -#else - #define JSON_HEDLEY_ARRAY_PARAM(name) -#endif - -#if defined(JSON_HEDLEY_IS_CONSTANT) - #undef JSON_HEDLEY_IS_CONSTANT -#endif -#if defined(JSON_HEDLEY_REQUIRE_CONSTEXPR) - #undef JSON_HEDLEY_REQUIRE_CONSTEXPR -#endif -/* JSON_HEDLEY_IS_CONSTEXPR_ is for - HEDLEY INTERNAL USE ONLY. API subject to change without notice. */ -#if defined(JSON_HEDLEY_IS_CONSTEXPR_) - #undef JSON_HEDLEY_IS_CONSTEXPR_ -#endif -#if \ - JSON_HEDLEY_HAS_BUILTIN(__builtin_constant_p) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(3,4,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_TINYC_VERSION_CHECK(0,9,19) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(13,1,0) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(6,1,0) || \ - (JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,10,0) && !defined(__cplusplus)) || \ - JSON_HEDLEY_CRAY_VERSION_CHECK(8,1,0) - #define JSON_HEDLEY_IS_CONSTANT(expr) __builtin_constant_p(expr) -#endif -#if !defined(__cplusplus) -# if \ - JSON_HEDLEY_HAS_BUILTIN(__builtin_types_compatible_p) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(3,4,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(13,1,0) || \ - JSON_HEDLEY_CRAY_VERSION_CHECK(8,1,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(5,4,0) || \ - JSON_HEDLEY_TINYC_VERSION_CHECK(0,9,24) -#if defined(__INTPTR_TYPE__) - #define JSON_HEDLEY_IS_CONSTEXPR_(expr) __builtin_types_compatible_p(__typeof__((1 ? (void*) ((__INTPTR_TYPE__) ((expr) * 0)) : (int*) 0)), int*) -#else - #include - #define JSON_HEDLEY_IS_CONSTEXPR_(expr) __builtin_types_compatible_p(__typeof__((1 ? (void*) ((intptr_t) ((expr) * 0)) : (int*) 0)), int*) -#endif -# elif \ - ( \ - defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L) && \ - !defined(JSON_HEDLEY_SUNPRO_VERSION) && \ - !defined(JSON_HEDLEY_PGI_VERSION) && \ - !defined(JSON_HEDLEY_IAR_VERSION)) || \ - JSON_HEDLEY_HAS_EXTENSION(c_generic_selections) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(4,9,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(17,0,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(12,1,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(5,3,0) -#if defined(__INTPTR_TYPE__) - #define JSON_HEDLEY_IS_CONSTEXPR_(expr) _Generic((1 ? (void*) ((__INTPTR_TYPE__) ((expr) * 0)) : (int*) 0), int*: 1, void*: 0) -#else - #include - #define JSON_HEDLEY_IS_CONSTEXPR_(expr) _Generic((1 ? (void*) ((intptr_t) * 0) : (int*) 0), int*: 1, void*: 0) -#endif -# elif \ - defined(JSON_HEDLEY_GCC_VERSION) || \ - defined(JSON_HEDLEY_INTEL_VERSION) || \ - defined(JSON_HEDLEY_TINYC_VERSION) || \ - defined(JSON_HEDLEY_TI_ARMCL_VERSION) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(18,12,0) || \ - defined(JSON_HEDLEY_TI_CL2000_VERSION) || \ - defined(JSON_HEDLEY_TI_CL6X_VERSION) || \ - defined(JSON_HEDLEY_TI_CL7X_VERSION) || \ - defined(JSON_HEDLEY_TI_CLPRU_VERSION) || \ - defined(__clang__) -# define JSON_HEDLEY_IS_CONSTEXPR_(expr) ( \ - sizeof(void) != \ - sizeof(*( \ - 1 ? \ - ((void*) ((expr) * 0L) ) : \ -((struct { char v[sizeof(void) * 2]; } *) 1) \ - ) \ - ) \ - ) -# endif -#endif -#if defined(JSON_HEDLEY_IS_CONSTEXPR_) - #if !defined(JSON_HEDLEY_IS_CONSTANT) - #define JSON_HEDLEY_IS_CONSTANT(expr) JSON_HEDLEY_IS_CONSTEXPR_(expr) - #endif - #define JSON_HEDLEY_REQUIRE_CONSTEXPR(expr) (JSON_HEDLEY_IS_CONSTEXPR_(expr) ? (expr) : (-1)) -#else - #if !defined(JSON_HEDLEY_IS_CONSTANT) - #define JSON_HEDLEY_IS_CONSTANT(expr) (0) - #endif - #define JSON_HEDLEY_REQUIRE_CONSTEXPR(expr) (expr) -#endif - -#if defined(JSON_HEDLEY_BEGIN_C_DECLS) - #undef JSON_HEDLEY_BEGIN_C_DECLS -#endif -#if defined(JSON_HEDLEY_END_C_DECLS) - #undef JSON_HEDLEY_END_C_DECLS -#endif -#if defined(JSON_HEDLEY_C_DECL) - #undef JSON_HEDLEY_C_DECL -#endif -#if defined(__cplusplus) - #define JSON_HEDLEY_BEGIN_C_DECLS extern "C" { - #define JSON_HEDLEY_END_C_DECLS } - #define JSON_HEDLEY_C_DECL extern "C" -#else - #define JSON_HEDLEY_BEGIN_C_DECLS - #define JSON_HEDLEY_END_C_DECLS - #define JSON_HEDLEY_C_DECL -#endif - -#if defined(JSON_HEDLEY_STATIC_ASSERT) - #undef JSON_HEDLEY_STATIC_ASSERT -#endif -#if \ - !defined(__cplusplus) && ( \ - (defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L)) || \ - JSON_HEDLEY_HAS_FEATURE(c_static_assert) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(6,0,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - defined(_Static_assert) \ - ) -# define JSON_HEDLEY_STATIC_ASSERT(expr, message) _Static_assert(expr, message) -#elif \ - (defined(__cplusplus) && (__cplusplus >= 201103L)) || \ - JSON_HEDLEY_MSVC_VERSION_CHECK(16,0,0) -# define JSON_HEDLEY_STATIC_ASSERT(expr, message) JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_(static_assert(expr, message)) -#else -# define JSON_HEDLEY_STATIC_ASSERT(expr, message) -#endif - -#if defined(JSON_HEDLEY_NULL) - #undef JSON_HEDLEY_NULL -#endif -#if defined(__cplusplus) - #if __cplusplus >= 201103L - #define JSON_HEDLEY_NULL JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_(nullptr) - #elif defined(NULL) - #define JSON_HEDLEY_NULL NULL - #else - #define JSON_HEDLEY_NULL JSON_HEDLEY_STATIC_CAST(void*, 0) - #endif -#elif defined(NULL) - #define JSON_HEDLEY_NULL NULL -#else - #define JSON_HEDLEY_NULL ((void*) 0) -#endif - -#if defined(JSON_HEDLEY_MESSAGE) - #undef JSON_HEDLEY_MESSAGE -#endif -#if JSON_HEDLEY_HAS_WARNING("-Wunknown-pragmas") -# define JSON_HEDLEY_MESSAGE(msg) \ - JSON_HEDLEY_DIAGNOSTIC_PUSH \ - JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS \ - JSON_HEDLEY_PRAGMA(message msg) \ - JSON_HEDLEY_DIAGNOSTIC_POP -#elif \ - JSON_HEDLEY_GCC_VERSION_CHECK(4,4,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) -# define JSON_HEDLEY_MESSAGE(msg) JSON_HEDLEY_PRAGMA(message msg) -#elif JSON_HEDLEY_CRAY_VERSION_CHECK(5,0,0) -# define JSON_HEDLEY_MESSAGE(msg) JSON_HEDLEY_PRAGMA(_CRI message msg) -#elif JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) -# define JSON_HEDLEY_MESSAGE(msg) JSON_HEDLEY_PRAGMA(message(msg)) -#elif JSON_HEDLEY_PELLES_VERSION_CHECK(2,0,0) -# define JSON_HEDLEY_MESSAGE(msg) JSON_HEDLEY_PRAGMA(message(msg)) -#else -# define JSON_HEDLEY_MESSAGE(msg) -#endif - -#if defined(JSON_HEDLEY_WARNING) - #undef JSON_HEDLEY_WARNING -#endif -#if JSON_HEDLEY_HAS_WARNING("-Wunknown-pragmas") -# define JSON_HEDLEY_WARNING(msg) \ - JSON_HEDLEY_DIAGNOSTIC_PUSH \ - JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS \ - JSON_HEDLEY_PRAGMA(clang warning msg) \ - JSON_HEDLEY_DIAGNOSTIC_POP -#elif \ - JSON_HEDLEY_GCC_VERSION_CHECK(4,8,0) || \ - JSON_HEDLEY_PGI_VERSION_CHECK(18,4,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) -# define JSON_HEDLEY_WARNING(msg) JSON_HEDLEY_PRAGMA(GCC warning msg) -#elif JSON_HEDLEY_MSVC_VERSION_CHECK(15,0,0) -# define JSON_HEDLEY_WARNING(msg) JSON_HEDLEY_PRAGMA(message(msg)) -#else -# define JSON_HEDLEY_WARNING(msg) JSON_HEDLEY_MESSAGE(msg) -#endif - -#if defined(JSON_HEDLEY_REQUIRE) - #undef JSON_HEDLEY_REQUIRE -#endif -#if defined(JSON_HEDLEY_REQUIRE_MSG) - #undef JSON_HEDLEY_REQUIRE_MSG -#endif -#if JSON_HEDLEY_HAS_ATTRIBUTE(diagnose_if) -# if JSON_HEDLEY_HAS_WARNING("-Wgcc-compat") -# define JSON_HEDLEY_REQUIRE(expr) \ - JSON_HEDLEY_DIAGNOSTIC_PUSH \ - _Pragma("clang diagnostic ignored \"-Wgcc-compat\"") \ - __attribute__((diagnose_if(!(expr), #expr, "error"))) \ - JSON_HEDLEY_DIAGNOSTIC_POP -# define JSON_HEDLEY_REQUIRE_MSG(expr,msg) \ - JSON_HEDLEY_DIAGNOSTIC_PUSH \ - _Pragma("clang diagnostic ignored \"-Wgcc-compat\"") \ - __attribute__((diagnose_if(!(expr), msg, "error"))) \ - JSON_HEDLEY_DIAGNOSTIC_POP -# else -# define JSON_HEDLEY_REQUIRE(expr) __attribute__((diagnose_if(!(expr), #expr, "error"))) -# define JSON_HEDLEY_REQUIRE_MSG(expr,msg) __attribute__((diagnose_if(!(expr), msg, "error"))) -# endif -#else -# define JSON_HEDLEY_REQUIRE(expr) -# define JSON_HEDLEY_REQUIRE_MSG(expr,msg) -#endif - -#if defined(JSON_HEDLEY_FLAGS) - #undef JSON_HEDLEY_FLAGS -#endif -#if JSON_HEDLEY_HAS_ATTRIBUTE(flag_enum) - #define JSON_HEDLEY_FLAGS __attribute__((__flag_enum__)) -#endif - -#if defined(JSON_HEDLEY_FLAGS_CAST) - #undef JSON_HEDLEY_FLAGS_CAST -#endif -#if JSON_HEDLEY_INTEL_VERSION_CHECK(19,0,0) -# define JSON_HEDLEY_FLAGS_CAST(T, expr) (__extension__ ({ \ - JSON_HEDLEY_DIAGNOSTIC_PUSH \ - _Pragma("warning(disable:188)") \ - ((T) (expr)); \ - JSON_HEDLEY_DIAGNOSTIC_POP \ - })) -#else -# define JSON_HEDLEY_FLAGS_CAST(T, expr) JSON_HEDLEY_STATIC_CAST(T, expr) -#endif - -#if defined(JSON_HEDLEY_EMPTY_BASES) - #undef JSON_HEDLEY_EMPTY_BASES -#endif -#if JSON_HEDLEY_MSVC_VERSION_CHECK(19,0,23918) && !JSON_HEDLEY_MSVC_VERSION_CHECK(20,0,0) - #define JSON_HEDLEY_EMPTY_BASES __declspec(empty_bases) -#else - #define JSON_HEDLEY_EMPTY_BASES -#endif - -/* Remaining macros are deprecated. */ - -#if defined(JSON_HEDLEY_GCC_NOT_CLANG_VERSION_CHECK) - #undef JSON_HEDLEY_GCC_NOT_CLANG_VERSION_CHECK -#endif -#if defined(__clang__) - #define JSON_HEDLEY_GCC_NOT_CLANG_VERSION_CHECK(major,minor,patch) (0) -#else - #define JSON_HEDLEY_GCC_NOT_CLANG_VERSION_CHECK(major,minor,patch) JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_CLANG_HAS_ATTRIBUTE) - #undef JSON_HEDLEY_CLANG_HAS_ATTRIBUTE -#endif -#define JSON_HEDLEY_CLANG_HAS_ATTRIBUTE(attribute) JSON_HEDLEY_HAS_ATTRIBUTE(attribute) - -#if defined(JSON_HEDLEY_CLANG_HAS_CPP_ATTRIBUTE) - #undef JSON_HEDLEY_CLANG_HAS_CPP_ATTRIBUTE -#endif -#define JSON_HEDLEY_CLANG_HAS_CPP_ATTRIBUTE(attribute) JSON_HEDLEY_HAS_CPP_ATTRIBUTE(attribute) - -#if defined(JSON_HEDLEY_CLANG_HAS_BUILTIN) - #undef JSON_HEDLEY_CLANG_HAS_BUILTIN -#endif -#define JSON_HEDLEY_CLANG_HAS_BUILTIN(builtin) JSON_HEDLEY_HAS_BUILTIN(builtin) - -#if defined(JSON_HEDLEY_CLANG_HAS_FEATURE) - #undef JSON_HEDLEY_CLANG_HAS_FEATURE -#endif -#define JSON_HEDLEY_CLANG_HAS_FEATURE(feature) JSON_HEDLEY_HAS_FEATURE(feature) - -#if defined(JSON_HEDLEY_CLANG_HAS_EXTENSION) - #undef JSON_HEDLEY_CLANG_HAS_EXTENSION -#endif -#define JSON_HEDLEY_CLANG_HAS_EXTENSION(extension) JSON_HEDLEY_HAS_EXTENSION(extension) - -#if defined(JSON_HEDLEY_CLANG_HAS_DECLSPEC_DECLSPEC_ATTRIBUTE) - #undef JSON_HEDLEY_CLANG_HAS_DECLSPEC_DECLSPEC_ATTRIBUTE -#endif -#define JSON_HEDLEY_CLANG_HAS_DECLSPEC_ATTRIBUTE(attribute) JSON_HEDLEY_HAS_DECLSPEC_ATTRIBUTE(attribute) - -#if defined(JSON_HEDLEY_CLANG_HAS_WARNING) - #undef JSON_HEDLEY_CLANG_HAS_WARNING -#endif -#define JSON_HEDLEY_CLANG_HAS_WARNING(warning) JSON_HEDLEY_HAS_WARNING(warning) - -#endif /* !defined(JSON_HEDLEY_VERSION) || (JSON_HEDLEY_VERSION < X) */ - - -// This file contains all internal macro definitions -// You MUST include macro_unscope.hpp at the end of json.hpp to undef all of them - -// exclude unsupported compilers -#if !defined(JSON_SKIP_UNSUPPORTED_COMPILER_CHECK) - #if defined(__clang__) - #if (__clang_major__ * 10000 + __clang_minor__ * 100 + __clang_patchlevel__) < 30400 - #error "unsupported Clang version - see https://github.com/nlohmann/json#supported-compilers" - #endif - #elif defined(__GNUC__) && !(defined(__ICC) || defined(__INTEL_COMPILER)) - #if (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__) < 40800 - #error "unsupported GCC version - see https://github.com/nlohmann/json#supported-compilers" - #endif - #endif -#endif - -// C++ language standard detection -#if (defined(__cplusplus) && __cplusplus >= 202002L) || (defined(_MSVC_LANG) && _MSVC_LANG >= 202002L) - #define JSON_HAS_CPP_20 - #define JSON_HAS_CPP_17 - #define JSON_HAS_CPP_14 -#elif (defined(__cplusplus) && __cplusplus >= 201703L) || (defined(_HAS_CXX17) && _HAS_CXX17 == 1) // fix for issue #464 - #define JSON_HAS_CPP_17 - #define JSON_HAS_CPP_14 -#elif (defined(__cplusplus) && __cplusplus >= 201402L) || (defined(_HAS_CXX14) && _HAS_CXX14 == 1) - #define JSON_HAS_CPP_14 -#endif - -// disable float-equal warnings on GCC/clang -#if defined(__clang__) || defined(__GNUC__) || defined(__GNUG__) - #pragma GCC diagnostic push - #pragma GCC diagnostic ignored "-Wfloat-equal" -#endif - -// disable documentation warnings on clang -#if defined(__clang__) - #pragma GCC diagnostic push - #pragma GCC diagnostic ignored "-Wdocumentation" -#endif - -// allow to disable exceptions -#if (defined(__cpp_exceptions) || defined(__EXCEPTIONS) || defined(_CPPUNWIND)) && !defined(JSON_NOEXCEPTION) - #define JSON_THROW(exception) throw exception - #define JSON_TRY try - #define JSON_CATCH(exception) catch(exception) - #define JSON_INTERNAL_CATCH(exception) catch(exception) -#else - #include - #define JSON_THROW(exception) std::abort() - #define JSON_TRY if(true) - #define JSON_CATCH(exception) if(false) - #define JSON_INTERNAL_CATCH(exception) if(false) -#endif - -// override exception macros -#if defined(JSON_THROW_USER) - #undef JSON_THROW - #define JSON_THROW JSON_THROW_USER -#endif -#if defined(JSON_TRY_USER) - #undef JSON_TRY - #define JSON_TRY JSON_TRY_USER -#endif -#if defined(JSON_CATCH_USER) - #undef JSON_CATCH - #define JSON_CATCH JSON_CATCH_USER - #undef JSON_INTERNAL_CATCH - #define JSON_INTERNAL_CATCH JSON_CATCH_USER -#endif -#if defined(JSON_INTERNAL_CATCH_USER) - #undef JSON_INTERNAL_CATCH - #define JSON_INTERNAL_CATCH JSON_INTERNAL_CATCH_USER -#endif - -// allow to override assert -#if !defined(JSON_ASSERT) - #include // assert - #define JSON_ASSERT(x) assert(x) -#endif - -/*! -@brief macro to briefly define a mapping between an enum and JSON -@def NLOHMANN_JSON_SERIALIZE_ENUM -@since version 3.4.0 -*/ -#define NLOHMANN_JSON_SERIALIZE_ENUM(ENUM_TYPE, ...) \ - template \ - inline void to_json(BasicJsonType& j, const ENUM_TYPE& e) \ - { \ - static_assert(std::is_enum::value, #ENUM_TYPE " must be an enum!"); \ - static const std::pair m[] = __VA_ARGS__; \ - auto it = std::find_if(std::begin(m), std::end(m), \ - [e](const std::pair& ej_pair) -> bool \ - { \ - return ej_pair.first == e; \ - }); \ - j = ((it != std::end(m)) ? it : std::begin(m))->second; \ - } \ - template \ - inline void from_json(const BasicJsonType& j, ENUM_TYPE& e) \ - { \ - static_assert(std::is_enum::value, #ENUM_TYPE " must be an enum!"); \ - static const std::pair m[] = __VA_ARGS__; \ - auto it = std::find_if(std::begin(m), std::end(m), \ - [&j](const std::pair& ej_pair) -> bool \ - { \ - return ej_pair.second == j; \ - }); \ - e = ((it != std::end(m)) ? it : std::begin(m))->first; \ - } - -// Ugly macros to avoid uglier copy-paste when specializing basic_json. They -// may be removed in the future once the class is split. - -#define NLOHMANN_BASIC_JSON_TPL_DECLARATION \ - template class ObjectType, \ - template class ArrayType, \ - class StringType, class BooleanType, class NumberIntegerType, \ - class NumberUnsignedType, class NumberFloatType, \ - template class AllocatorType, \ - template class JSONSerializer, \ - class BinaryType> - -#define NLOHMANN_BASIC_JSON_TPL \ - basic_json - -// Macros to simplify conversion from/to types - -#define NLOHMANN_JSON_EXPAND( x ) x -#define NLOHMANN_JSON_GET_MACRO(_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44, _45, _46, _47, _48, _49, _50, _51, _52, _53, _54, _55, _56, _57, _58, _59, _60, _61, _62, _63, _64, NAME,...) NAME -#define NLOHMANN_JSON_PASTE(...) NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_GET_MACRO(__VA_ARGS__, \ - NLOHMANN_JSON_PASTE64, \ - NLOHMANN_JSON_PASTE63, \ - NLOHMANN_JSON_PASTE62, \ - NLOHMANN_JSON_PASTE61, \ - NLOHMANN_JSON_PASTE60, \ - NLOHMANN_JSON_PASTE59, \ - NLOHMANN_JSON_PASTE58, \ - NLOHMANN_JSON_PASTE57, \ - NLOHMANN_JSON_PASTE56, \ - NLOHMANN_JSON_PASTE55, \ - NLOHMANN_JSON_PASTE54, \ - NLOHMANN_JSON_PASTE53, \ - NLOHMANN_JSON_PASTE52, \ - NLOHMANN_JSON_PASTE51, \ - NLOHMANN_JSON_PASTE50, \ - NLOHMANN_JSON_PASTE49, \ - NLOHMANN_JSON_PASTE48, \ - NLOHMANN_JSON_PASTE47, \ - NLOHMANN_JSON_PASTE46, \ - NLOHMANN_JSON_PASTE45, \ - NLOHMANN_JSON_PASTE44, \ - NLOHMANN_JSON_PASTE43, \ - NLOHMANN_JSON_PASTE42, \ - NLOHMANN_JSON_PASTE41, \ - NLOHMANN_JSON_PASTE40, \ - NLOHMANN_JSON_PASTE39, \ - NLOHMANN_JSON_PASTE38, \ - NLOHMANN_JSON_PASTE37, \ - NLOHMANN_JSON_PASTE36, \ - NLOHMANN_JSON_PASTE35, \ - NLOHMANN_JSON_PASTE34, \ - NLOHMANN_JSON_PASTE33, \ - NLOHMANN_JSON_PASTE32, \ - NLOHMANN_JSON_PASTE31, \ - NLOHMANN_JSON_PASTE30, \ - NLOHMANN_JSON_PASTE29, \ - NLOHMANN_JSON_PASTE28, \ - NLOHMANN_JSON_PASTE27, \ - NLOHMANN_JSON_PASTE26, \ - NLOHMANN_JSON_PASTE25, \ - NLOHMANN_JSON_PASTE24, \ - NLOHMANN_JSON_PASTE23, \ - NLOHMANN_JSON_PASTE22, \ - NLOHMANN_JSON_PASTE21, \ - NLOHMANN_JSON_PASTE20, \ - NLOHMANN_JSON_PASTE19, \ - NLOHMANN_JSON_PASTE18, \ - NLOHMANN_JSON_PASTE17, \ - NLOHMANN_JSON_PASTE16, \ - NLOHMANN_JSON_PASTE15, \ - NLOHMANN_JSON_PASTE14, \ - NLOHMANN_JSON_PASTE13, \ - NLOHMANN_JSON_PASTE12, \ - NLOHMANN_JSON_PASTE11, \ - NLOHMANN_JSON_PASTE10, \ - NLOHMANN_JSON_PASTE9, \ - NLOHMANN_JSON_PASTE8, \ - NLOHMANN_JSON_PASTE7, \ - NLOHMANN_JSON_PASTE6, \ - NLOHMANN_JSON_PASTE5, \ - NLOHMANN_JSON_PASTE4, \ - NLOHMANN_JSON_PASTE3, \ - NLOHMANN_JSON_PASTE2, \ - NLOHMANN_JSON_PASTE1)(__VA_ARGS__)) -#define NLOHMANN_JSON_PASTE2(func, v1) func(v1) -#define NLOHMANN_JSON_PASTE3(func, v1, v2) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE2(func, v2) -#define NLOHMANN_JSON_PASTE4(func, v1, v2, v3) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE3(func, v2, v3) -#define NLOHMANN_JSON_PASTE5(func, v1, v2, v3, v4) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE4(func, v2, v3, v4) -#define NLOHMANN_JSON_PASTE6(func, v1, v2, v3, v4, v5) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE5(func, v2, v3, v4, v5) -#define NLOHMANN_JSON_PASTE7(func, v1, v2, v3, v4, v5, v6) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE6(func, v2, v3, v4, v5, v6) -#define NLOHMANN_JSON_PASTE8(func, v1, v2, v3, v4, v5, v6, v7) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE7(func, v2, v3, v4, v5, v6, v7) -#define NLOHMANN_JSON_PASTE9(func, v1, v2, v3, v4, v5, v6, v7, v8) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE8(func, v2, v3, v4, v5, v6, v7, v8) -#define NLOHMANN_JSON_PASTE10(func, v1, v2, v3, v4, v5, v6, v7, v8, v9) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE9(func, v2, v3, v4, v5, v6, v7, v8, v9) -#define NLOHMANN_JSON_PASTE11(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE10(func, v2, v3, v4, v5, v6, v7, v8, v9, v10) -#define NLOHMANN_JSON_PASTE12(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE11(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11) -#define NLOHMANN_JSON_PASTE13(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE12(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12) -#define NLOHMANN_JSON_PASTE14(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE13(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13) -#define NLOHMANN_JSON_PASTE15(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE14(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14) -#define NLOHMANN_JSON_PASTE16(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE15(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15) -#define NLOHMANN_JSON_PASTE17(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE16(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16) -#define NLOHMANN_JSON_PASTE18(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE17(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17) -#define NLOHMANN_JSON_PASTE19(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE18(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18) -#define NLOHMANN_JSON_PASTE20(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE19(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19) -#define NLOHMANN_JSON_PASTE21(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE20(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20) -#define NLOHMANN_JSON_PASTE22(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE21(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21) -#define NLOHMANN_JSON_PASTE23(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE22(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22) -#define NLOHMANN_JSON_PASTE24(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE23(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23) -#define NLOHMANN_JSON_PASTE25(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE24(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24) -#define NLOHMANN_JSON_PASTE26(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE25(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25) -#define NLOHMANN_JSON_PASTE27(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE26(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26) -#define NLOHMANN_JSON_PASTE28(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE27(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27) -#define NLOHMANN_JSON_PASTE29(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE28(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28) -#define NLOHMANN_JSON_PASTE30(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE29(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29) -#define NLOHMANN_JSON_PASTE31(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE30(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30) -#define NLOHMANN_JSON_PASTE32(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE31(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31) -#define NLOHMANN_JSON_PASTE33(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE32(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32) -#define NLOHMANN_JSON_PASTE34(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE33(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33) -#define NLOHMANN_JSON_PASTE35(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE34(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34) -#define NLOHMANN_JSON_PASTE36(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE35(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35) -#define NLOHMANN_JSON_PASTE37(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE36(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36) -#define NLOHMANN_JSON_PASTE38(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE37(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37) -#define NLOHMANN_JSON_PASTE39(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE38(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38) -#define NLOHMANN_JSON_PASTE40(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE39(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39) -#define NLOHMANN_JSON_PASTE41(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE40(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40) -#define NLOHMANN_JSON_PASTE42(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE41(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41) -#define NLOHMANN_JSON_PASTE43(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE42(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42) -#define NLOHMANN_JSON_PASTE44(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE43(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43) -#define NLOHMANN_JSON_PASTE45(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE44(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44) -#define NLOHMANN_JSON_PASTE46(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE45(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45) -#define NLOHMANN_JSON_PASTE47(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE46(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46) -#define NLOHMANN_JSON_PASTE48(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE47(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47) -#define NLOHMANN_JSON_PASTE49(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE48(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48) -#define NLOHMANN_JSON_PASTE50(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE49(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49) -#define NLOHMANN_JSON_PASTE51(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE50(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50) -#define NLOHMANN_JSON_PASTE52(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE51(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51) -#define NLOHMANN_JSON_PASTE53(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE52(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52) -#define NLOHMANN_JSON_PASTE54(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE53(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53) -#define NLOHMANN_JSON_PASTE55(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE54(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54) -#define NLOHMANN_JSON_PASTE56(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE55(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55) -#define NLOHMANN_JSON_PASTE57(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE56(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56) -#define NLOHMANN_JSON_PASTE58(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE57(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57) -#define NLOHMANN_JSON_PASTE59(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE58(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58) -#define NLOHMANN_JSON_PASTE60(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE59(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59) -#define NLOHMANN_JSON_PASTE61(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59, v60) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE60(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59, v60) -#define NLOHMANN_JSON_PASTE62(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59, v60, v61) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE61(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59, v60, v61) -#define NLOHMANN_JSON_PASTE63(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59, v60, v61, v62) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE62(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59, v60, v61, v62) -#define NLOHMANN_JSON_PASTE64(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59, v60, v61, v62, v63) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE63(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59, v60, v61, v62, v63) - -#define NLOHMANN_JSON_TO(v1) nlohmann_json_j[#v1] = nlohmann_json_t.v1; -#define NLOHMANN_JSON_FROM(v1) nlohmann_json_j.at(#v1).get_to(nlohmann_json_t.v1); - -/*! -@brief macro -@def NLOHMANN_DEFINE_TYPE_INTRUSIVE -@since version 3.9.0 -*/ -#define NLOHMANN_DEFINE_TYPE_INTRUSIVE(Type, ...) \ - friend void to_json(nlohmann::json& nlohmann_json_j, const Type& nlohmann_json_t) { NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_TO, __VA_ARGS__)) } \ - friend void from_json(const nlohmann::json& nlohmann_json_j, Type& nlohmann_json_t) { NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_FROM, __VA_ARGS__)) } - -/*! -@brief macro -@def NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE -@since version 3.9.0 -*/ -#define NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(Type, ...) \ - inline void to_json(nlohmann::json& nlohmann_json_j, const Type& nlohmann_json_t) { NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_TO, __VA_ARGS__)) } \ - inline void from_json(const nlohmann::json& nlohmann_json_j, Type& nlohmann_json_t) { NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_FROM, __VA_ARGS__)) } - -#ifndef JSON_USE_IMPLICIT_CONVERSIONS - #define JSON_USE_IMPLICIT_CONVERSIONS 1 -#endif - -#if JSON_USE_IMPLICIT_CONVERSIONS - #define JSON_EXPLICIT -#else - #define JSON_EXPLICIT explicit -#endif - - -namespace nlohmann -{ -namespace detail -{ -//////////////// -// exceptions // -//////////////// - -/*! -@brief general exception of the @ref basic_json class - -This class is an extension of `std::exception` objects with a member @a id for -exception ids. It is used as the base class for all exceptions thrown by the -@ref basic_json class. This class can hence be used as "wildcard" to catch -exceptions. - -Subclasses: -- @ref parse_error for exceptions indicating a parse error -- @ref invalid_iterator for exceptions indicating errors with iterators -- @ref type_error for exceptions indicating executing a member function with - a wrong type -- @ref out_of_range for exceptions indicating access out of the defined range -- @ref other_error for exceptions indicating other library errors - -@internal -@note To have nothrow-copy-constructible exceptions, we internally use - `std::runtime_error` which can cope with arbitrary-length error messages. - Intermediate strings are built with static functions and then passed to - the actual constructor. -@endinternal - -@liveexample{The following code shows how arbitrary library exceptions can be -caught.,exception} - -@since version 3.0.0 -*/ -class exception : public std::exception -{ - public: - /// returns the explanatory string - JSON_HEDLEY_RETURNS_NON_NULL - const char* what() const noexcept override - { - return m.what(); - } - - /// the id of the exception - const int id; - - protected: - JSON_HEDLEY_NON_NULL(3) - exception(int id_, const char* what_arg) : id(id_), m(what_arg) {} - - static std::string name(const std::string& ename, int id_) - { - return "[json.exception." + ename + "." + std::to_string(id_) + "] "; - } - - private: - /// an exception object as storage for error messages - std::runtime_error m; -}; - -/*! -@brief exception indicating a parse error - -This exception is thrown by the library when a parse error occurs. Parse errors -can occur during the deserialization of JSON text, CBOR, MessagePack, as well -as when using JSON Patch. - -Member @a byte holds the byte index of the last read character in the input -file. - -Exceptions have ids 1xx. - -name / id | example message | description ------------------------------- | --------------- | ------------------------- -json.exception.parse_error.101 | parse error at 2: unexpected end of input; expected string literal | This error indicates a syntax error while deserializing a JSON text. The error message describes that an unexpected token (character) was encountered, and the member @a byte indicates the error position. -json.exception.parse_error.102 | parse error at 14: missing or wrong low surrogate | JSON uses the `\uxxxx` format to describe Unicode characters. Code points above above 0xFFFF are split into two `\uxxxx` entries ("surrogate pairs"). This error indicates that the surrogate pair is incomplete or contains an invalid code point. -json.exception.parse_error.103 | parse error: code points above 0x10FFFF are invalid | Unicode supports code points up to 0x10FFFF. Code points above 0x10FFFF are invalid. -json.exception.parse_error.104 | parse error: JSON patch must be an array of objects | [RFC 6902](https://tools.ietf.org/html/rfc6902) requires a JSON Patch document to be a JSON document that represents an array of objects. -json.exception.parse_error.105 | parse error: operation must have string member 'op' | An operation of a JSON Patch document must contain exactly one "op" member, whose value indicates the operation to perform. Its value must be one of "add", "remove", "replace", "move", "copy", or "test"; other values are errors. -json.exception.parse_error.106 | parse error: array index '01' must not begin with '0' | An array index in a JSON Pointer ([RFC 6901](https://tools.ietf.org/html/rfc6901)) may be `0` or any number without a leading `0`. -json.exception.parse_error.107 | parse error: JSON pointer must be empty or begin with '/' - was: 'foo' | A JSON Pointer must be a Unicode string containing a sequence of zero or more reference tokens, each prefixed by a `/` character. -json.exception.parse_error.108 | parse error: escape character '~' must be followed with '0' or '1' | In a JSON Pointer, only `~0` and `~1` are valid escape sequences. -json.exception.parse_error.109 | parse error: array index 'one' is not a number | A JSON Pointer array index must be a number. -json.exception.parse_error.110 | parse error at 1: cannot read 2 bytes from vector | When parsing CBOR or MessagePack, the byte vector ends before the complete value has been read. -json.exception.parse_error.112 | parse error at 1: error reading CBOR; last byte: 0xF8 | Not all types of CBOR or MessagePack are supported. This exception occurs if an unsupported byte was read. -json.exception.parse_error.113 | parse error at 2: expected a CBOR string; last byte: 0x98 | While parsing a map key, a value that is not a string has been read. -json.exception.parse_error.114 | parse error: Unsupported BSON record type 0x0F | The parsing of the corresponding BSON record type is not implemented (yet). -json.exception.parse_error.115 | parse error at byte 5: syntax error while parsing UBJSON high-precision number: invalid number text: 1A | A UBJSON high-precision number could not be parsed. - -@note For an input with n bytes, 1 is the index of the first character and n+1 - is the index of the terminating null byte or the end of file. This also - holds true when reading a byte vector (CBOR or MessagePack). - -@liveexample{The following code shows how a `parse_error` exception can be -caught.,parse_error} - -@sa - @ref exception for the base class of the library exceptions -@sa - @ref invalid_iterator for exceptions indicating errors with iterators -@sa - @ref type_error for exceptions indicating executing a member function with - a wrong type -@sa - @ref out_of_range for exceptions indicating access out of the defined range -@sa - @ref other_error for exceptions indicating other library errors - -@since version 3.0.0 -*/ -class parse_error : public exception -{ - public: - /*! - @brief create a parse error exception - @param[in] id_ the id of the exception - @param[in] pos the position where the error occurred (or with - chars_read_total=0 if the position cannot be - determined) - @param[in] what_arg the explanatory string - @return parse_error object - */ - static parse_error create(int id_, const position_t& pos, const std::string& what_arg) - { - std::string w = exception::name("parse_error", id_) + "parse error" + - position_string(pos) + ": " + what_arg; - return parse_error(id_, pos.chars_read_total, w.c_str()); - } - - static parse_error create(int id_, std::size_t byte_, const std::string& what_arg) - { - std::string w = exception::name("parse_error", id_) + "parse error" + - (byte_ != 0 ? (" at byte " + std::to_string(byte_)) : "") + - ": " + what_arg; - return parse_error(id_, byte_, w.c_str()); - } - - /*! - @brief byte index of the parse error - - The byte index of the last read character in the input file. - - @note For an input with n bytes, 1 is the index of the first character and - n+1 is the index of the terminating null byte or the end of file. - This also holds true when reading a byte vector (CBOR or MessagePack). - */ - const std::size_t byte; - - private: - parse_error(int id_, std::size_t byte_, const char* what_arg) - : exception(id_, what_arg), byte(byte_) {} - - static std::string position_string(const position_t& pos) - { - return " at line " + std::to_string(pos.lines_read + 1) + - ", column " + std::to_string(pos.chars_read_current_line); - } -}; - -/*! -@brief exception indicating errors with iterators - -This exception is thrown if iterators passed to a library function do not match -the expected semantics. - -Exceptions have ids 2xx. - -name / id | example message | description ------------------------------------ | --------------- | ------------------------- -json.exception.invalid_iterator.201 | iterators are not compatible | The iterators passed to constructor @ref basic_json(InputIT first, InputIT last) are not compatible, meaning they do not belong to the same container. Therefore, the range (@a first, @a last) is invalid. -json.exception.invalid_iterator.202 | iterator does not fit current value | In an erase or insert function, the passed iterator @a pos does not belong to the JSON value for which the function was called. It hence does not define a valid position for the deletion/insertion. -json.exception.invalid_iterator.203 | iterators do not fit current value | Either iterator passed to function @ref erase(IteratorType first, IteratorType last) does not belong to the JSON value from which values shall be erased. It hence does not define a valid range to delete values from. -json.exception.invalid_iterator.204 | iterators out of range | When an iterator range for a primitive type (number, boolean, or string) is passed to a constructor or an erase function, this range has to be exactly (@ref begin(), @ref end()), because this is the only way the single stored value is expressed. All other ranges are invalid. -json.exception.invalid_iterator.205 | iterator out of range | When an iterator for a primitive type (number, boolean, or string) is passed to an erase function, the iterator has to be the @ref begin() iterator, because it is the only way to address the stored value. All other iterators are invalid. -json.exception.invalid_iterator.206 | cannot construct with iterators from null | The iterators passed to constructor @ref basic_json(InputIT first, InputIT last) belong to a JSON null value and hence to not define a valid range. -json.exception.invalid_iterator.207 | cannot use key() for non-object iterators | The key() member function can only be used on iterators belonging to a JSON object, because other types do not have a concept of a key. -json.exception.invalid_iterator.208 | cannot use operator[] for object iterators | The operator[] to specify a concrete offset cannot be used on iterators belonging to a JSON object, because JSON objects are unordered. -json.exception.invalid_iterator.209 | cannot use offsets with object iterators | The offset operators (+, -, +=, -=) cannot be used on iterators belonging to a JSON object, because JSON objects are unordered. -json.exception.invalid_iterator.210 | iterators do not fit | The iterator range passed to the insert function are not compatible, meaning they do not belong to the same container. Therefore, the range (@a first, @a last) is invalid. -json.exception.invalid_iterator.211 | passed iterators may not belong to container | The iterator range passed to the insert function must not be a subrange of the container to insert to. -json.exception.invalid_iterator.212 | cannot compare iterators of different containers | When two iterators are compared, they must belong to the same container. -json.exception.invalid_iterator.213 | cannot compare order of object iterators | The order of object iterators cannot be compared, because JSON objects are unordered. -json.exception.invalid_iterator.214 | cannot get value | Cannot get value for iterator: Either the iterator belongs to a null value or it is an iterator to a primitive type (number, boolean, or string), but the iterator is different to @ref begin(). - -@liveexample{The following code shows how an `invalid_iterator` exception can be -caught.,invalid_iterator} - -@sa - @ref exception for the base class of the library exceptions -@sa - @ref parse_error for exceptions indicating a parse error -@sa - @ref type_error for exceptions indicating executing a member function with - a wrong type -@sa - @ref out_of_range for exceptions indicating access out of the defined range -@sa - @ref other_error for exceptions indicating other library errors - -@since version 3.0.0 -*/ -class invalid_iterator : public exception -{ - public: - static invalid_iterator create(int id_, const std::string& what_arg) - { - std::string w = exception::name("invalid_iterator", id_) + what_arg; - return invalid_iterator(id_, w.c_str()); - } - - private: - JSON_HEDLEY_NON_NULL(3) - invalid_iterator(int id_, const char* what_arg) - : exception(id_, what_arg) {} -}; - -/*! -@brief exception indicating executing a member function with a wrong type - -This exception is thrown in case of a type error; that is, a library function is -executed on a JSON value whose type does not match the expected semantics. - -Exceptions have ids 3xx. - -name / id | example message | description ------------------------------ | --------------- | ------------------------- -json.exception.type_error.301 | cannot create object from initializer list | To create an object from an initializer list, the initializer list must consist only of a list of pairs whose first element is a string. When this constraint is violated, an array is created instead. -json.exception.type_error.302 | type must be object, but is array | During implicit or explicit value conversion, the JSON type must be compatible to the target type. For instance, a JSON string can only be converted into string types, but not into numbers or boolean types. -json.exception.type_error.303 | incompatible ReferenceType for get_ref, actual type is object | To retrieve a reference to a value stored in a @ref basic_json object with @ref get_ref, the type of the reference must match the value type. For instance, for a JSON array, the @a ReferenceType must be @ref array_t &. -json.exception.type_error.304 | cannot use at() with string | The @ref at() member functions can only be executed for certain JSON types. -json.exception.type_error.305 | cannot use operator[] with string | The @ref operator[] member functions can only be executed for certain JSON types. -json.exception.type_error.306 | cannot use value() with string | The @ref value() member functions can only be executed for certain JSON types. -json.exception.type_error.307 | cannot use erase() with string | The @ref erase() member functions can only be executed for certain JSON types. -json.exception.type_error.308 | cannot use push_back() with string | The @ref push_back() and @ref operator+= member functions can only be executed for certain JSON types. -json.exception.type_error.309 | cannot use insert() with | The @ref insert() member functions can only be executed for certain JSON types. -json.exception.type_error.310 | cannot use swap() with number | The @ref swap() member functions can only be executed for certain JSON types. -json.exception.type_error.311 | cannot use emplace_back() with string | The @ref emplace_back() member function can only be executed for certain JSON types. -json.exception.type_error.312 | cannot use update() with string | The @ref update() member functions can only be executed for certain JSON types. -json.exception.type_error.313 | invalid value to unflatten | The @ref unflatten function converts an object whose keys are JSON Pointers back into an arbitrary nested JSON value. The JSON Pointers must not overlap, because then the resulting value would not be well defined. -json.exception.type_error.314 | only objects can be unflattened | The @ref unflatten function only works for an object whose keys are JSON Pointers. -json.exception.type_error.315 | values in object must be primitive | The @ref unflatten function only works for an object whose keys are JSON Pointers and whose values are primitive. -json.exception.type_error.316 | invalid UTF-8 byte at index 10: 0x7E | The @ref dump function only works with UTF-8 encoded strings; that is, if you assign a `std::string` to a JSON value, make sure it is UTF-8 encoded. | -json.exception.type_error.317 | JSON value cannot be serialized to requested format | The dynamic type of the object cannot be represented in the requested serialization format (e.g. a raw `true` or `null` JSON object cannot be serialized to BSON) | - -@liveexample{The following code shows how a `type_error` exception can be -caught.,type_error} - -@sa - @ref exception for the base class of the library exceptions -@sa - @ref parse_error for exceptions indicating a parse error -@sa - @ref invalid_iterator for exceptions indicating errors with iterators -@sa - @ref out_of_range for exceptions indicating access out of the defined range -@sa - @ref other_error for exceptions indicating other library errors - -@since version 3.0.0 -*/ -class type_error : public exception -{ - public: - static type_error create(int id_, const std::string& what_arg) - { - std::string w = exception::name("type_error", id_) + what_arg; - return type_error(id_, w.c_str()); - } - - private: - JSON_HEDLEY_NON_NULL(3) - type_error(int id_, const char* what_arg) : exception(id_, what_arg) {} -}; - -/*! -@brief exception indicating access out of the defined range - -This exception is thrown in case a library function is called on an input -parameter that exceeds the expected range, for instance in case of array -indices or nonexisting object keys. - -Exceptions have ids 4xx. - -name / id | example message | description -------------------------------- | --------------- | ------------------------- -json.exception.out_of_range.401 | array index 3 is out of range | The provided array index @a i is larger than @a size-1. -json.exception.out_of_range.402 | array index '-' (3) is out of range | The special array index `-` in a JSON Pointer never describes a valid element of the array, but the index past the end. That is, it can only be used to add elements at this position, but not to read it. -json.exception.out_of_range.403 | key 'foo' not found | The provided key was not found in the JSON object. -json.exception.out_of_range.404 | unresolved reference token 'foo' | A reference token in a JSON Pointer could not be resolved. -json.exception.out_of_range.405 | JSON pointer has no parent | The JSON Patch operations 'remove' and 'add' can not be applied to the root element of the JSON value. -json.exception.out_of_range.406 | number overflow parsing '10E1000' | A parsed number could not be stored as without changing it to NaN or INF. -json.exception.out_of_range.407 | number overflow serializing '9223372036854775808' | UBJSON and BSON only support integer numbers up to 9223372036854775807. (until version 3.8.0) | -json.exception.out_of_range.408 | excessive array size: 8658170730974374167 | The size (following `#`) of an UBJSON array or object exceeds the maximal capacity. | -json.exception.out_of_range.409 | BSON key cannot contain code point U+0000 (at byte 2) | Key identifiers to be serialized to BSON cannot contain code point U+0000, since the key is stored as zero-terminated c-string | - -@liveexample{The following code shows how an `out_of_range` exception can be -caught.,out_of_range} - -@sa - @ref exception for the base class of the library exceptions -@sa - @ref parse_error for exceptions indicating a parse error -@sa - @ref invalid_iterator for exceptions indicating errors with iterators -@sa - @ref type_error for exceptions indicating executing a member function with - a wrong type -@sa - @ref other_error for exceptions indicating other library errors - -@since version 3.0.0 -*/ -class out_of_range : public exception -{ - public: - static out_of_range create(int id_, const std::string& what_arg) - { - std::string w = exception::name("out_of_range", id_) + what_arg; - return out_of_range(id_, w.c_str()); - } - - private: - JSON_HEDLEY_NON_NULL(3) - out_of_range(int id_, const char* what_arg) : exception(id_, what_arg) {} -}; - -/*! -@brief exception indicating other library errors - -This exception is thrown in case of errors that cannot be classified with the -other exception types. - -Exceptions have ids 5xx. - -name / id | example message | description ------------------------------- | --------------- | ------------------------- -json.exception.other_error.501 | unsuccessful: {"op":"test","path":"/baz", "value":"bar"} | A JSON Patch operation 'test' failed. The unsuccessful operation is also printed. - -@sa - @ref exception for the base class of the library exceptions -@sa - @ref parse_error for exceptions indicating a parse error -@sa - @ref invalid_iterator for exceptions indicating errors with iterators -@sa - @ref type_error for exceptions indicating executing a member function with - a wrong type -@sa - @ref out_of_range for exceptions indicating access out of the defined range - -@liveexample{The following code shows how an `other_error` exception can be -caught.,other_error} - -@since version 3.0.0 -*/ -class other_error : public exception -{ - public: - static other_error create(int id_, const std::string& what_arg) - { - std::string w = exception::name("other_error", id_) + what_arg; - return other_error(id_, w.c_str()); - } - - private: - JSON_HEDLEY_NON_NULL(3) - other_error(int id_, const char* what_arg) : exception(id_, what_arg) {} -}; -} // namespace detail -} // namespace nlohmann - -// #include - -// #include - - -#include // size_t -#include // conditional, enable_if, false_type, integral_constant, is_constructible, is_integral, is_same, remove_cv, remove_reference, true_type - -namespace nlohmann -{ -namespace detail -{ -// alias templates to reduce boilerplate -template -using enable_if_t = typename std::enable_if::type; - -template -using uncvref_t = typename std::remove_cv::type>::type; - -// implementation of C++14 index_sequence and affiliates -// source: https://stackoverflow.com/a/32223343 -template -struct index_sequence -{ - using type = index_sequence; - using value_type = std::size_t; - static constexpr std::size_t size() noexcept - { - return sizeof...(Ints); - } -}; - -template -struct merge_and_renumber; - -template -struct merge_and_renumber, index_sequence> - : index_sequence < I1..., (sizeof...(I1) + I2)... > {}; - -template -struct make_index_sequence - : merge_and_renumber < typename make_index_sequence < N / 2 >::type, - typename make_index_sequence < N - N / 2 >::type > {}; - -template<> struct make_index_sequence<0> : index_sequence<> {}; -template<> struct make_index_sequence<1> : index_sequence<0> {}; - -template -using index_sequence_for = make_index_sequence; - -// dispatch utility (taken from ranges-v3) -template struct priority_tag : priority_tag < N - 1 > {}; -template<> struct priority_tag<0> {}; - -// taken from ranges-v3 -template -struct static_const -{ - static constexpr T value{}; -}; - -template -constexpr T static_const::value; -} // namespace detail -} // namespace nlohmann - -// #include - - -#include // numeric_limits -#include // false_type, is_constructible, is_integral, is_same, true_type -#include // declval - -// #include - - -#include // random_access_iterator_tag - -// #include - - -namespace nlohmann -{ -namespace detail -{ -template struct make_void -{ - using type = void; -}; -template using void_t = typename make_void::type; -} // namespace detail -} // namespace nlohmann - -// #include - - -namespace nlohmann -{ -namespace detail -{ -template -struct iterator_types {}; - -template -struct iterator_types < - It, - void_t> -{ - using difference_type = typename It::difference_type; - using value_type = typename It::value_type; - using pointer = typename It::pointer; - using reference = typename It::reference; - using iterator_category = typename It::iterator_category; -}; - -// This is required as some compilers implement std::iterator_traits in a way that -// doesn't work with SFINAE. See https://github.com/nlohmann/json/issues/1341. -template -struct iterator_traits -{ -}; - -template -struct iterator_traits < T, enable_if_t < !std::is_pointer::value >> - : iterator_types -{ -}; - -template -struct iterator_traits::value>> -{ - using iterator_category = std::random_access_iterator_tag; - using value_type = T; - using difference_type = ptrdiff_t; - using pointer = T*; - using reference = T&; -}; -} // namespace detail -} // namespace nlohmann - -// #include - -// #include - -// #include - - -#include - -// #include - - -// https://en.cppreference.com/w/cpp/experimental/is_detected -namespace nlohmann -{ -namespace detail -{ -struct nonesuch -{ - nonesuch() = delete; - ~nonesuch() = delete; - nonesuch(nonesuch const&) = delete; - nonesuch(nonesuch const&&) = delete; - void operator=(nonesuch const&) = delete; - void operator=(nonesuch&&) = delete; -}; - -template class Op, - class... Args> -struct detector -{ - using value_t = std::false_type; - using type = Default; -}; - -template class Op, class... Args> -struct detector>, Op, Args...> -{ - using value_t = std::true_type; - using type = Op; -}; - -template class Op, class... Args> -using is_detected = typename detector::value_t; - -template class Op, class... Args> -using detected_t = typename detector::type; - -template class Op, class... Args> -using detected_or = detector; - -template class Op, class... Args> -using detected_or_t = typename detected_or::type; - -template class Op, class... Args> -using is_detected_exact = std::is_same>; - -template class Op, class... Args> -using is_detected_convertible = - std::is_convertible, To>; -} // namespace detail -} // namespace nlohmann - -// #include -#ifndef INCLUDE_NLOHMANN_JSON_FWD_HPP_ -#define INCLUDE_NLOHMANN_JSON_FWD_HPP_ - -#include // int64_t, uint64_t -#include // map -#include // allocator -#include // string -#include // vector - -/*! -@brief namespace for Niels Lohmann -@see https://github.com/nlohmann -@since version 1.0.0 -*/ -namespace nlohmann -{ -/*! -@brief default JSONSerializer template argument - -This serializer ignores the template arguments and uses ADL -([argument-dependent lookup](https://en.cppreference.com/w/cpp/language/adl)) -for serialization. -*/ -template -struct adl_serializer; - -template class ObjectType = - std::map, - template class ArrayType = std::vector, - class StringType = std::string, class BooleanType = bool, - class NumberIntegerType = std::int64_t, - class NumberUnsignedType = std::uint64_t, - class NumberFloatType = double, - template class AllocatorType = std::allocator, - template class JSONSerializer = - adl_serializer, - class BinaryType = std::vector> -class basic_json; - -/*! -@brief JSON Pointer - -A JSON pointer defines a string syntax for identifying a specific value -within a JSON document. It can be used with functions `at` and -`operator[]`. Furthermore, JSON pointers are the base for JSON patches. - -@sa [RFC 6901](https://tools.ietf.org/html/rfc6901) - -@since version 2.0.0 -*/ -template -class json_pointer; - -/*! -@brief default JSON class - -This type is the default specialization of the @ref basic_json class which -uses the standard template types. - -@since version 1.0.0 -*/ -using json = basic_json<>; - -template -struct ordered_map; - -/*! -@brief ordered JSON class - -This type preserves the insertion order of object keys. - -@since version 3.9.0 -*/ -using ordered_json = basic_json; - -} // namespace nlohmann - -#endif // INCLUDE_NLOHMANN_JSON_FWD_HPP_ - - -namespace nlohmann -{ -/*! -@brief detail namespace with internal helper functions - -This namespace collects functions that should not be exposed, -implementations of some @ref basic_json methods, and meta-programming helpers. - -@since version 2.1.0 -*/ -namespace detail -{ -///////////// -// helpers // -///////////// - -// Note to maintainers: -// -// Every trait in this file expects a non CV-qualified type. -// The only exceptions are in the 'aliases for detected' section -// (i.e. those of the form: decltype(T::member_function(std::declval()))) -// -// In this case, T has to be properly CV-qualified to constraint the function arguments -// (e.g. to_json(BasicJsonType&, const T&)) - -template struct is_basic_json : std::false_type {}; - -NLOHMANN_BASIC_JSON_TPL_DECLARATION -struct is_basic_json : std::true_type {}; - -////////////////////// -// json_ref helpers // -////////////////////// - -template -class json_ref; - -template -struct is_json_ref : std::false_type {}; - -template -struct is_json_ref> : std::true_type {}; - -////////////////////////// -// aliases for detected // -////////////////////////// - -template -using mapped_type_t = typename T::mapped_type; - -template -using key_type_t = typename T::key_type; - -template -using value_type_t = typename T::value_type; - -template -using difference_type_t = typename T::difference_type; - -template -using pointer_t = typename T::pointer; - -template -using reference_t = typename T::reference; - -template -using iterator_category_t = typename T::iterator_category; - -template -using iterator_t = typename T::iterator; - -template -using to_json_function = decltype(T::to_json(std::declval()...)); - -template -using from_json_function = decltype(T::from_json(std::declval()...)); - -template -using get_template_function = decltype(std::declval().template get()); - -// trait checking if JSONSerializer::from_json(json const&, udt&) exists -template -struct has_from_json : std::false_type {}; - -// trait checking if j.get is valid -// use this trait instead of std::is_constructible or std::is_convertible, -// both rely on, or make use of implicit conversions, and thus fail when T -// has several constructors/operator= (see https://github.com/nlohmann/json/issues/958) -template -struct is_getable -{ - static constexpr bool value = is_detected::value; -}; - -template -struct has_from_json < BasicJsonType, T, - enable_if_t < !is_basic_json::value >> -{ - using serializer = typename BasicJsonType::template json_serializer; - - static constexpr bool value = - is_detected_exact::value; -}; - -// This trait checks if JSONSerializer::from_json(json const&) exists -// this overload is used for non-default-constructible user-defined-types -template -struct has_non_default_from_json : std::false_type {}; - -template -struct has_non_default_from_json < BasicJsonType, T, enable_if_t < !is_basic_json::value >> -{ - using serializer = typename BasicJsonType::template json_serializer; - - static constexpr bool value = - is_detected_exact::value; -}; - -// This trait checks if BasicJsonType::json_serializer::to_json exists -// Do not evaluate the trait when T is a basic_json type, to avoid template instantiation infinite recursion. -template -struct has_to_json : std::false_type {}; - -template -struct has_to_json < BasicJsonType, T, enable_if_t < !is_basic_json::value >> -{ - using serializer = typename BasicJsonType::template json_serializer; - - static constexpr bool value = - is_detected_exact::value; -}; - - -/////////////////// -// is_ functions // -/////////////////// - -template -struct is_iterator_traits : std::false_type {}; - -template -struct is_iterator_traits> -{ - private: - using traits = iterator_traits; - - public: - static constexpr auto value = - is_detected::value && - is_detected::value && - is_detected::value && - is_detected::value && - is_detected::value; -}; - -// source: https://stackoverflow.com/a/37193089/4116453 - -template -struct is_complete_type : std::false_type {}; - -template -struct is_complete_type : std::true_type {}; - -template -struct is_compatible_object_type_impl : std::false_type {}; - -template -struct is_compatible_object_type_impl < - BasicJsonType, CompatibleObjectType, - enable_if_t < is_detected::value&& - is_detected::value >> -{ - - using object_t = typename BasicJsonType::object_t; - - // macOS's is_constructible does not play well with nonesuch... - static constexpr bool value = - std::is_constructible::value && - std::is_constructible::value; -}; - -template -struct is_compatible_object_type - : is_compatible_object_type_impl {}; - -template -struct is_constructible_object_type_impl : std::false_type {}; - -template -struct is_constructible_object_type_impl < - BasicJsonType, ConstructibleObjectType, - enable_if_t < is_detected::value&& - is_detected::value >> -{ - using object_t = typename BasicJsonType::object_t; - - static constexpr bool value = - (std::is_default_constructible::value && - (std::is_move_assignable::value || - std::is_copy_assignable::value) && - (std::is_constructible::value && - std::is_same < - typename object_t::mapped_type, - typename ConstructibleObjectType::mapped_type >::value)) || - (has_from_json::value || - has_non_default_from_json < - BasicJsonType, - typename ConstructibleObjectType::mapped_type >::value); -}; - -template -struct is_constructible_object_type - : is_constructible_object_type_impl {}; - -template -struct is_compatible_string_type_impl : std::false_type {}; - -template -struct is_compatible_string_type_impl < - BasicJsonType, CompatibleStringType, - enable_if_t::value >> -{ - static constexpr auto value = - std::is_constructible::value; -}; - -template -struct is_compatible_string_type - : is_compatible_string_type_impl {}; - -template -struct is_constructible_string_type_impl : std::false_type {}; - -template -struct is_constructible_string_type_impl < - BasicJsonType, ConstructibleStringType, - enable_if_t::value >> -{ - static constexpr auto value = - std::is_constructible::value; -}; - -template -struct is_constructible_string_type - : is_constructible_string_type_impl {}; - -template -struct is_compatible_array_type_impl : std::false_type {}; - -template -struct is_compatible_array_type_impl < - BasicJsonType, CompatibleArrayType, - enable_if_t < is_detected::value&& - is_detected::value&& -// This is needed because json_reverse_iterator has a ::iterator type... -// Therefore it is detected as a CompatibleArrayType. -// The real fix would be to have an Iterable concept. - !is_iterator_traits < - iterator_traits>::value >> -{ - static constexpr bool value = - std::is_constructible::value; -}; - -template -struct is_compatible_array_type - : is_compatible_array_type_impl {}; - -template -struct is_constructible_array_type_impl : std::false_type {}; - -template -struct is_constructible_array_type_impl < - BasicJsonType, ConstructibleArrayType, - enable_if_t::value >> - : std::true_type {}; - -template -struct is_constructible_array_type_impl < - BasicJsonType, ConstructibleArrayType, - enable_if_t < !std::is_same::value&& - std::is_default_constructible::value&& -(std::is_move_assignable::value || - std::is_copy_assignable::value)&& -is_detected::value&& -is_detected::value&& -is_complete_type < -detected_t>::value >> -{ - static constexpr bool value = - // This is needed because json_reverse_iterator has a ::iterator type, - // furthermore, std::back_insert_iterator (and other iterators) have a - // base class `iterator`... Therefore it is detected as a - // ConstructibleArrayType. The real fix would be to have an Iterable - // concept. - !is_iterator_traits>::value && - - (std::is_same::value || - has_from_json::value || - has_non_default_from_json < - BasicJsonType, typename ConstructibleArrayType::value_type >::value); -}; - -template -struct is_constructible_array_type - : is_constructible_array_type_impl {}; - -template -struct is_compatible_integer_type_impl : std::false_type {}; - -template -struct is_compatible_integer_type_impl < - RealIntegerType, CompatibleNumberIntegerType, - enable_if_t < std::is_integral::value&& - std::is_integral::value&& - !std::is_same::value >> -{ - // is there an assert somewhere on overflows? - using RealLimits = std::numeric_limits; - using CompatibleLimits = std::numeric_limits; - - static constexpr auto value = - std::is_constructible::value && - CompatibleLimits::is_integer && - RealLimits::is_signed == CompatibleLimits::is_signed; -}; - -template -struct is_compatible_integer_type - : is_compatible_integer_type_impl {}; - -template -struct is_compatible_type_impl: std::false_type {}; - -template -struct is_compatible_type_impl < - BasicJsonType, CompatibleType, - enable_if_t::value >> -{ - static constexpr bool value = - has_to_json::value; -}; - -template -struct is_compatible_type - : is_compatible_type_impl {}; - -// https://en.cppreference.com/w/cpp/types/conjunction -template struct conjunction : std::true_type { }; -template struct conjunction : B1 { }; -template -struct conjunction -: std::conditional, B1>::type {}; - -template -struct is_constructible_tuple : std::false_type {}; - -template -struct is_constructible_tuple> : conjunction...> {}; -} // namespace detail -} // namespace nlohmann - -// #include - - -#include // array -#include // size_t -#include // uint8_t -#include // string - -namespace nlohmann -{ -namespace detail -{ -/////////////////////////// -// JSON type enumeration // -/////////////////////////// - -/*! -@brief the JSON type enumeration - -This enumeration collects the different JSON types. It is internally used to -distinguish the stored values, and the functions @ref basic_json::is_null(), -@ref basic_json::is_object(), @ref basic_json::is_array(), -@ref basic_json::is_string(), @ref basic_json::is_boolean(), -@ref basic_json::is_number() (with @ref basic_json::is_number_integer(), -@ref basic_json::is_number_unsigned(), and @ref basic_json::is_number_float()), -@ref basic_json::is_discarded(), @ref basic_json::is_primitive(), and -@ref basic_json::is_structured() rely on it. - -@note There are three enumeration entries (number_integer, number_unsigned, and -number_float), because the library distinguishes these three types for numbers: -@ref basic_json::number_unsigned_t is used for unsigned integers, -@ref basic_json::number_integer_t is used for signed integers, and -@ref basic_json::number_float_t is used for floating-point numbers or to -approximate integers which do not fit in the limits of their respective type. - -@sa @ref basic_json::basic_json(const value_t value_type) -- create a JSON -value with the default value for a given type - -@since version 1.0.0 -*/ -enum class value_t : std::uint8_t -{ - null, ///< null value - object, ///< object (unordered set of name/value pairs) - array, ///< array (ordered collection of values) - string, ///< string value - boolean, ///< boolean value - number_integer, ///< number value (signed integer) - number_unsigned, ///< number value (unsigned integer) - number_float, ///< number value (floating-point) - binary, ///< binary array (ordered collection of bytes) - discarded ///< discarded by the parser callback function -}; - -/*! -@brief comparison operator for JSON types - -Returns an ordering that is similar to Python: -- order: null < boolean < number < object < array < string < binary -- furthermore, each type is not smaller than itself -- discarded values are not comparable -- binary is represented as a b"" string in python and directly comparable to a - string; however, making a binary array directly comparable with a string would - be surprising behavior in a JSON file. - -@since version 1.0.0 -*/ -inline bool operator<(const value_t lhs, const value_t rhs) noexcept -{ - static constexpr std::array order = {{ - 0 /* null */, 3 /* object */, 4 /* array */, 5 /* string */, - 1 /* boolean */, 2 /* integer */, 2 /* unsigned */, 2 /* float */, - 6 /* binary */ - } - }; - - const auto l_index = static_cast(lhs); - const auto r_index = static_cast(rhs); - return l_index < order.size() && r_index < order.size() && order[l_index] < order[r_index]; -} -} // namespace detail -} // namespace nlohmann - - -namespace nlohmann -{ -namespace detail -{ -template -void from_json(const BasicJsonType& j, typename std::nullptr_t& n) -{ - if (JSON_HEDLEY_UNLIKELY(!j.is_null())) - { - JSON_THROW(type_error::create(302, "type must be null, but is " + std::string(j.type_name()))); - } - n = nullptr; -} - -// overloads for basic_json template parameters -template < typename BasicJsonType, typename ArithmeticType, - enable_if_t < std::is_arithmetic::value&& - !std::is_same::value, - int > = 0 > -void get_arithmetic_value(const BasicJsonType& j, ArithmeticType& val) -{ - switch (static_cast(j)) - { - case value_t::number_unsigned: - { - val = static_cast(*j.template get_ptr()); - break; - } - case value_t::number_integer: - { - val = static_cast(*j.template get_ptr()); - break; - } - case value_t::number_float: - { - val = static_cast(*j.template get_ptr()); - break; - } - - default: - JSON_THROW(type_error::create(302, "type must be number, but is " + std::string(j.type_name()))); - } -} - -template -void from_json(const BasicJsonType& j, typename BasicJsonType::boolean_t& b) -{ - if (JSON_HEDLEY_UNLIKELY(!j.is_boolean())) - { - JSON_THROW(type_error::create(302, "type must be boolean, but is " + std::string(j.type_name()))); - } - b = *j.template get_ptr(); -} - -template -void from_json(const BasicJsonType& j, typename BasicJsonType::string_t& s) -{ - if (JSON_HEDLEY_UNLIKELY(!j.is_string())) - { - JSON_THROW(type_error::create(302, "type must be string, but is " + std::string(j.type_name()))); - } - s = *j.template get_ptr(); -} - -template < - typename BasicJsonType, typename ConstructibleStringType, - enable_if_t < - is_constructible_string_type::value&& - !std::is_same::value, - int > = 0 > -void from_json(const BasicJsonType& j, ConstructibleStringType& s) -{ - if (JSON_HEDLEY_UNLIKELY(!j.is_string())) - { - JSON_THROW(type_error::create(302, "type must be string, but is " + std::string(j.type_name()))); - } - - s = *j.template get_ptr(); -} - -template -void from_json(const BasicJsonType& j, typename BasicJsonType::number_float_t& val) -{ - get_arithmetic_value(j, val); -} - -template -void from_json(const BasicJsonType& j, typename BasicJsonType::number_unsigned_t& val) -{ - get_arithmetic_value(j, val); -} - -template -void from_json(const BasicJsonType& j, typename BasicJsonType::number_integer_t& val) -{ - get_arithmetic_value(j, val); -} - -template::value, int> = 0> -void from_json(const BasicJsonType& j, EnumType& e) -{ - typename std::underlying_type::type val; - get_arithmetic_value(j, val); - e = static_cast(val); -} - -// forward_list doesn't have an insert method -template::value, int> = 0> -void from_json(const BasicJsonType& j, std::forward_list& l) -{ - if (JSON_HEDLEY_UNLIKELY(!j.is_array())) - { - JSON_THROW(type_error::create(302, "type must be array, but is " + std::string(j.type_name()))); - } - l.clear(); - std::transform(j.rbegin(), j.rend(), - std::front_inserter(l), [](const BasicJsonType & i) - { - return i.template get(); - }); -} - -// valarray doesn't have an insert method -template::value, int> = 0> -void from_json(const BasicJsonType& j, std::valarray& l) -{ - if (JSON_HEDLEY_UNLIKELY(!j.is_array())) - { - JSON_THROW(type_error::create(302, "type must be array, but is " + std::string(j.type_name()))); - } - l.resize(j.size()); - std::transform(j.begin(), j.end(), std::begin(l), - [](const BasicJsonType & elem) - { - return elem.template get(); - }); -} - -template -auto from_json(const BasicJsonType& j, T (&arr)[N]) --> decltype(j.template get(), void()) -{ - for (std::size_t i = 0; i < N; ++i) - { - arr[i] = j.at(i).template get(); - } -} - -template -void from_json_array_impl(const BasicJsonType& j, typename BasicJsonType::array_t& arr, priority_tag<3> /*unused*/) -{ - arr = *j.template get_ptr(); -} - -template -auto from_json_array_impl(const BasicJsonType& j, std::array& arr, - priority_tag<2> /*unused*/) --> decltype(j.template get(), void()) -{ - for (std::size_t i = 0; i < N; ++i) - { - arr[i] = j.at(i).template get(); - } -} - -template -auto from_json_array_impl(const BasicJsonType& j, ConstructibleArrayType& arr, priority_tag<1> /*unused*/) --> decltype( - arr.reserve(std::declval()), - j.template get(), - void()) -{ - using std::end; - - ConstructibleArrayType ret; - ret.reserve(j.size()); - std::transform(j.begin(), j.end(), - std::inserter(ret, end(ret)), [](const BasicJsonType & i) - { - // get() returns *this, this won't call a from_json - // method when value_type is BasicJsonType - return i.template get(); - }); - arr = std::move(ret); -} - -template -void from_json_array_impl(const BasicJsonType& j, ConstructibleArrayType& arr, - priority_tag<0> /*unused*/) -{ - using std::end; - - ConstructibleArrayType ret; - std::transform( - j.begin(), j.end(), std::inserter(ret, end(ret)), - [](const BasicJsonType & i) - { - // get() returns *this, this won't call a from_json - // method when value_type is BasicJsonType - return i.template get(); - }); - arr = std::move(ret); -} - -template < typename BasicJsonType, typename ConstructibleArrayType, - enable_if_t < - is_constructible_array_type::value&& - !is_constructible_object_type::value&& - !is_constructible_string_type::value&& - !std::is_same::value&& - !is_basic_json::value, - int > = 0 > -auto from_json(const BasicJsonType& j, ConstructibleArrayType& arr) --> decltype(from_json_array_impl(j, arr, priority_tag<3> {}), -j.template get(), -void()) -{ - if (JSON_HEDLEY_UNLIKELY(!j.is_array())) - { - JSON_THROW(type_error::create(302, "type must be array, but is " + - std::string(j.type_name()))); - } - - from_json_array_impl(j, arr, priority_tag<3> {}); -} - -template -void from_json(const BasicJsonType& j, typename BasicJsonType::binary_t& bin) -{ - if (JSON_HEDLEY_UNLIKELY(!j.is_binary())) - { - JSON_THROW(type_error::create(302, "type must be binary, but is " + std::string(j.type_name()))); - } - - bin = *j.template get_ptr(); -} - -template::value, int> = 0> -void from_json(const BasicJsonType& j, ConstructibleObjectType& obj) -{ - if (JSON_HEDLEY_UNLIKELY(!j.is_object())) - { - JSON_THROW(type_error::create(302, "type must be object, but is " + std::string(j.type_name()))); - } - - ConstructibleObjectType ret; - auto inner_object = j.template get_ptr(); - using value_type = typename ConstructibleObjectType::value_type; - std::transform( - inner_object->begin(), inner_object->end(), - std::inserter(ret, ret.begin()), - [](typename BasicJsonType::object_t::value_type const & p) - { - return value_type(p.first, p.second.template get()); - }); - obj = std::move(ret); -} - -// overload for arithmetic types, not chosen for basic_json template arguments -// (BooleanType, etc..); note: Is it really necessary to provide explicit -// overloads for boolean_t etc. in case of a custom BooleanType which is not -// an arithmetic type? -template < typename BasicJsonType, typename ArithmeticType, - enable_if_t < - std::is_arithmetic::value&& - !std::is_same::value&& - !std::is_same::value&& - !std::is_same::value&& - !std::is_same::value, - int > = 0 > -void from_json(const BasicJsonType& j, ArithmeticType& val) -{ - switch (static_cast(j)) - { - case value_t::number_unsigned: - { - val = static_cast(*j.template get_ptr()); - break; - } - case value_t::number_integer: - { - val = static_cast(*j.template get_ptr()); - break; - } - case value_t::number_float: - { - val = static_cast(*j.template get_ptr()); - break; - } - case value_t::boolean: - { - val = static_cast(*j.template get_ptr()); - break; - } - - default: - JSON_THROW(type_error::create(302, "type must be number, but is " + std::string(j.type_name()))); - } -} - -template -void from_json(const BasicJsonType& j, std::pair& p) -{ - p = {j.at(0).template get(), j.at(1).template get()}; -} - -template -void from_json_tuple_impl(const BasicJsonType& j, Tuple& t, index_sequence /*unused*/) -{ - t = std::make_tuple(j.at(Idx).template get::type>()...); -} - -template -void from_json(const BasicJsonType& j, std::tuple& t) -{ - from_json_tuple_impl(j, t, index_sequence_for {}); -} - -template < typename BasicJsonType, typename Key, typename Value, typename Compare, typename Allocator, - typename = enable_if_t < !std::is_constructible < - typename BasicJsonType::string_t, Key >::value >> -void from_json(const BasicJsonType& j, std::map& m) -{ - if (JSON_HEDLEY_UNLIKELY(!j.is_array())) - { - JSON_THROW(type_error::create(302, "type must be array, but is " + std::string(j.type_name()))); - } - m.clear(); - for (const auto& p : j) - { - if (JSON_HEDLEY_UNLIKELY(!p.is_array())) - { - JSON_THROW(type_error::create(302, "type must be array, but is " + std::string(p.type_name()))); - } - m.emplace(p.at(0).template get(), p.at(1).template get()); - } -} - -template < typename BasicJsonType, typename Key, typename Value, typename Hash, typename KeyEqual, typename Allocator, - typename = enable_if_t < !std::is_constructible < - typename BasicJsonType::string_t, Key >::value >> -void from_json(const BasicJsonType& j, std::unordered_map& m) -{ - if (JSON_HEDLEY_UNLIKELY(!j.is_array())) - { - JSON_THROW(type_error::create(302, "type must be array, but is " + std::string(j.type_name()))); - } - m.clear(); - for (const auto& p : j) - { - if (JSON_HEDLEY_UNLIKELY(!p.is_array())) - { - JSON_THROW(type_error::create(302, "type must be array, but is " + std::string(p.type_name()))); - } - m.emplace(p.at(0).template get(), p.at(1).template get()); - } -} - -struct from_json_fn -{ - template - auto operator()(const BasicJsonType& j, T& val) const - noexcept(noexcept(from_json(j, val))) - -> decltype(from_json(j, val), void()) - { - return from_json(j, val); - } -}; -} // namespace detail - -/// namespace to hold default `from_json` function -/// to see why this is required: -/// http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/n4381.html -namespace -{ -constexpr const auto& from_json = detail::static_const::value; -} // namespace -} // namespace nlohmann - -// #include - - -#include // copy -#include // begin, end -#include // string -#include // tuple, get -#include // is_same, is_constructible, is_floating_point, is_enum, underlying_type -#include // move, forward, declval, pair -#include // valarray -#include // vector - -// #include - - -#include // size_t -#include // input_iterator_tag -#include // string, to_string -#include // tuple_size, get, tuple_element - -// #include - -// #include - - -namespace nlohmann -{ -namespace detail -{ -template -void int_to_string( string_type& target, std::size_t value ) -{ - // For ADL - using std::to_string; - target = to_string(value); -} -template class iteration_proxy_value -{ - public: - using difference_type = std::ptrdiff_t; - using value_type = iteration_proxy_value; - using pointer = value_type * ; - using reference = value_type & ; - using iterator_category = std::input_iterator_tag; - using string_type = typename std::remove_cv< typename std::remove_reference().key() ) >::type >::type; - - private: - /// the iterator - IteratorType anchor; - /// an index for arrays (used to create key names) - std::size_t array_index = 0; - /// last stringified array index - mutable std::size_t array_index_last = 0; - /// a string representation of the array index - mutable string_type array_index_str = "0"; - /// an empty string (to return a reference for primitive values) - const string_type empty_str = ""; - - public: - explicit iteration_proxy_value(IteratorType it) noexcept : anchor(it) {} - - /// dereference operator (needed for range-based for) - iteration_proxy_value& operator*() - { - return *this; - } - - /// increment operator (needed for range-based for) - iteration_proxy_value& operator++() - { - ++anchor; - ++array_index; - - return *this; - } - - /// equality operator (needed for InputIterator) - bool operator==(const iteration_proxy_value& o) const - { - return anchor == o.anchor; - } - - /// inequality operator (needed for range-based for) - bool operator!=(const iteration_proxy_value& o) const - { - return anchor != o.anchor; - } - - /// return key of the iterator - const string_type& key() const - { - JSON_ASSERT(anchor.m_object != nullptr); - - switch (anchor.m_object->type()) - { - // use integer array index as key - case value_t::array: - { - if (array_index != array_index_last) - { - int_to_string( array_index_str, array_index ); - array_index_last = array_index; - } - return array_index_str; - } - - // use key from the object - case value_t::object: - return anchor.key(); - - // use an empty key for all primitive types - default: - return empty_str; - } - } - - /// return value of the iterator - typename IteratorType::reference value() const - { - return anchor.value(); - } -}; - -/// proxy class for the items() function -template class iteration_proxy -{ - private: - /// the container to iterate - typename IteratorType::reference container; - - public: - /// construct iteration proxy from a container - explicit iteration_proxy(typename IteratorType::reference cont) noexcept - : container(cont) {} - - /// return iterator begin (needed for range-based for) - iteration_proxy_value begin() noexcept - { - return iteration_proxy_value(container.begin()); - } - - /// return iterator end (needed for range-based for) - iteration_proxy_value end() noexcept - { - return iteration_proxy_value(container.end()); - } -}; -// Structured Bindings Support -// For further reference see https://blog.tartanllama.xyz/structured-bindings/ -// And see https://github.com/nlohmann/json/pull/1391 -template = 0> -auto get(const nlohmann::detail::iteration_proxy_value& i) -> decltype(i.key()) -{ - return i.key(); -} -// Structured Bindings Support -// For further reference see https://blog.tartanllama.xyz/structured-bindings/ -// And see https://github.com/nlohmann/json/pull/1391 -template = 0> -auto get(const nlohmann::detail::iteration_proxy_value& i) -> decltype(i.value()) -{ - return i.value(); -} -} // namespace detail -} // namespace nlohmann - -// The Addition to the STD Namespace is required to add -// Structured Bindings Support to the iteration_proxy_value class -// For further reference see https://blog.tartanllama.xyz/structured-bindings/ -// And see https://github.com/nlohmann/json/pull/1391 -namespace std -{ -#if defined(__clang__) - // Fix: https://github.com/nlohmann/json/issues/1401 - #pragma clang diagnostic push - #pragma clang diagnostic ignored "-Wmismatched-tags" -#endif -template -class tuple_size<::nlohmann::detail::iteration_proxy_value> - : public std::integral_constant {}; - -template -class tuple_element> -{ - public: - using type = decltype( - get(std::declval < - ::nlohmann::detail::iteration_proxy_value> ())); -}; -#if defined(__clang__) - #pragma clang diagnostic pop -#endif -} // namespace std - -// #include - -// #include - -// #include - - -namespace nlohmann -{ -namespace detail -{ -////////////////// -// constructors // -////////////////// - -template struct external_constructor; - -template<> -struct external_constructor -{ - template - static void construct(BasicJsonType& j, typename BasicJsonType::boolean_t b) noexcept - { - j.m_type = value_t::boolean; - j.m_value = b; - j.assert_invariant(); - } -}; - -template<> -struct external_constructor -{ - template - static void construct(BasicJsonType& j, const typename BasicJsonType::string_t& s) - { - j.m_type = value_t::string; - j.m_value = s; - j.assert_invariant(); - } - - template - static void construct(BasicJsonType& j, typename BasicJsonType::string_t&& s) - { - j.m_type = value_t::string; - j.m_value = std::move(s); - j.assert_invariant(); - } - - template < typename BasicJsonType, typename CompatibleStringType, - enable_if_t < !std::is_same::value, - int > = 0 > - static void construct(BasicJsonType& j, const CompatibleStringType& str) - { - j.m_type = value_t::string; - j.m_value.string = j.template create(str); - j.assert_invariant(); - } -}; - -template<> -struct external_constructor -{ - template - static void construct(BasicJsonType& j, const typename BasicJsonType::binary_t& b) - { - j.m_type = value_t::binary; - typename BasicJsonType::binary_t value{b}; - j.m_value = value; - j.assert_invariant(); - } - - template - static void construct(BasicJsonType& j, typename BasicJsonType::binary_t&& b) - { - j.m_type = value_t::binary; - typename BasicJsonType::binary_t value{std::move(b)}; - j.m_value = value; - j.assert_invariant(); - } -}; - -template<> -struct external_constructor -{ - template - static void construct(BasicJsonType& j, typename BasicJsonType::number_float_t val) noexcept - { - j.m_type = value_t::number_float; - j.m_value = val; - j.assert_invariant(); - } -}; - -template<> -struct external_constructor -{ - template - static void construct(BasicJsonType& j, typename BasicJsonType::number_unsigned_t val) noexcept - { - j.m_type = value_t::number_unsigned; - j.m_value = val; - j.assert_invariant(); - } -}; - -template<> -struct external_constructor -{ - template - static void construct(BasicJsonType& j, typename BasicJsonType::number_integer_t val) noexcept - { - j.m_type = value_t::number_integer; - j.m_value = val; - j.assert_invariant(); - } -}; - -template<> -struct external_constructor -{ - template - static void construct(BasicJsonType& j, const typename BasicJsonType::array_t& arr) - { - j.m_type = value_t::array; - j.m_value = arr; - j.assert_invariant(); - } - - template - static void construct(BasicJsonType& j, typename BasicJsonType::array_t&& arr) - { - j.m_type = value_t::array; - j.m_value = std::move(arr); - j.assert_invariant(); - } - - template < typename BasicJsonType, typename CompatibleArrayType, - enable_if_t < !std::is_same::value, - int > = 0 > - static void construct(BasicJsonType& j, const CompatibleArrayType& arr) - { - using std::begin; - using std::end; - j.m_type = value_t::array; - j.m_value.array = j.template create(begin(arr), end(arr)); - j.assert_invariant(); - } - - template - static void construct(BasicJsonType& j, const std::vector& arr) - { - j.m_type = value_t::array; - j.m_value = value_t::array; - j.m_value.array->reserve(arr.size()); - for (const bool x : arr) - { - j.m_value.array->push_back(x); - } - j.assert_invariant(); - } - - template::value, int> = 0> - static void construct(BasicJsonType& j, const std::valarray& arr) - { - j.m_type = value_t::array; - j.m_value = value_t::array; - j.m_value.array->resize(arr.size()); - if (arr.size() > 0) - { - std::copy(std::begin(arr), std::end(arr), j.m_value.array->begin()); - } - j.assert_invariant(); - } -}; - -template<> -struct external_constructor -{ - template - static void construct(BasicJsonType& j, const typename BasicJsonType::object_t& obj) - { - j.m_type = value_t::object; - j.m_value = obj; - j.assert_invariant(); - } - - template - static void construct(BasicJsonType& j, typename BasicJsonType::object_t&& obj) - { - j.m_type = value_t::object; - j.m_value = std::move(obj); - j.assert_invariant(); - } - - template < typename BasicJsonType, typename CompatibleObjectType, - enable_if_t < !std::is_same::value, int > = 0 > - static void construct(BasicJsonType& j, const CompatibleObjectType& obj) - { - using std::begin; - using std::end; - - j.m_type = value_t::object; - j.m_value.object = j.template create(begin(obj), end(obj)); - j.assert_invariant(); - } -}; - -///////////// -// to_json // -///////////// - -template::value, int> = 0> -void to_json(BasicJsonType& j, T b) noexcept -{ - external_constructor::construct(j, b); -} - -template::value, int> = 0> -void to_json(BasicJsonType& j, const CompatibleString& s) -{ - external_constructor::construct(j, s); -} - -template -void to_json(BasicJsonType& j, typename BasicJsonType::string_t&& s) -{ - external_constructor::construct(j, std::move(s)); -} - -template::value, int> = 0> -void to_json(BasicJsonType& j, FloatType val) noexcept -{ - external_constructor::construct(j, static_cast(val)); -} - -template::value, int> = 0> -void to_json(BasicJsonType& j, CompatibleNumberUnsignedType val) noexcept -{ - external_constructor::construct(j, static_cast(val)); -} - -template::value, int> = 0> -void to_json(BasicJsonType& j, CompatibleNumberIntegerType val) noexcept -{ - external_constructor::construct(j, static_cast(val)); -} - -template::value, int> = 0> -void to_json(BasicJsonType& j, EnumType e) noexcept -{ - using underlying_type = typename std::underlying_type::type; - external_constructor::construct(j, static_cast(e)); -} - -template -void to_json(BasicJsonType& j, const std::vector& e) -{ - external_constructor::construct(j, e); -} - -template < typename BasicJsonType, typename CompatibleArrayType, - enable_if_t < is_compatible_array_type::value&& - !is_compatible_object_type::value&& - !is_compatible_string_type::value&& - !std::is_same::value&& - !is_basic_json::value, - int > = 0 > -void to_json(BasicJsonType& j, const CompatibleArrayType& arr) -{ - external_constructor::construct(j, arr); -} - -template -void to_json(BasicJsonType& j, const typename BasicJsonType::binary_t& bin) -{ - external_constructor::construct(j, bin); -} - -template::value, int> = 0> -void to_json(BasicJsonType& j, const std::valarray& arr) -{ - external_constructor::construct(j, std::move(arr)); -} - -template -void to_json(BasicJsonType& j, typename BasicJsonType::array_t&& arr) -{ - external_constructor::construct(j, std::move(arr)); -} - -template < typename BasicJsonType, typename CompatibleObjectType, - enable_if_t < is_compatible_object_type::value&& !is_basic_json::value, int > = 0 > -void to_json(BasicJsonType& j, const CompatibleObjectType& obj) -{ - external_constructor::construct(j, obj); -} - -template -void to_json(BasicJsonType& j, typename BasicJsonType::object_t&& obj) -{ - external_constructor::construct(j, std::move(obj)); -} - -template < - typename BasicJsonType, typename T, std::size_t N, - enable_if_t < !std::is_constructible::value, - int > = 0 > -void to_json(BasicJsonType& j, const T(&arr)[N]) -{ - external_constructor::construct(j, arr); -} - -template < typename BasicJsonType, typename T1, typename T2, enable_if_t < std::is_constructible::value&& std::is_constructible::value, int > = 0 > -void to_json(BasicJsonType& j, const std::pair& p) -{ - j = { p.first, p.second }; -} - -// for https://github.com/nlohmann/json/pull/1134 -template>::value, int> = 0> -void to_json(BasicJsonType& j, const T& b) -{ - j = { {b.key(), b.value()} }; -} - -template -void to_json_tuple_impl(BasicJsonType& j, const Tuple& t, index_sequence /*unused*/) -{ - j = { std::get(t)... }; -} - -template::value, int > = 0> -void to_json(BasicJsonType& j, const T& t) -{ - to_json_tuple_impl(j, t, make_index_sequence::value> {}); -} - -struct to_json_fn -{ - template - auto operator()(BasicJsonType& j, T&& val) const noexcept(noexcept(to_json(j, std::forward(val)))) - -> decltype(to_json(j, std::forward(val)), void()) - { - return to_json(j, std::forward(val)); - } -}; -} // namespace detail - -/// namespace to hold default `to_json` function -namespace -{ -constexpr const auto& to_json = detail::static_const::value; -} // namespace -} // namespace nlohmann - - -namespace nlohmann -{ - -template -struct adl_serializer -{ - /*! - @brief convert a JSON value to any value type - - This function is usually called by the `get()` function of the - @ref basic_json class (either explicit or via conversion operators). - - @param[in] j JSON value to read from - @param[in,out] val value to write to - */ - template - static auto from_json(BasicJsonType&& j, ValueType& val) noexcept( - noexcept(::nlohmann::from_json(std::forward(j), val))) - -> decltype(::nlohmann::from_json(std::forward(j), val), void()) - { - ::nlohmann::from_json(std::forward(j), val); - } - - /*! - @brief convert any value type to a JSON value - - This function is usually called by the constructors of the @ref basic_json - class. - - @param[in,out] j JSON value to write to - @param[in] val value to read from - */ - template - static auto to_json(BasicJsonType& j, ValueType&& val) noexcept( - noexcept(::nlohmann::to_json(j, std::forward(val)))) - -> decltype(::nlohmann::to_json(j, std::forward(val)), void()) - { - ::nlohmann::to_json(j, std::forward(val)); - } -}; - -} // namespace nlohmann - -// #include - - -#include // uint8_t -#include // tie -#include // move - -namespace nlohmann -{ - -/*! -@brief an internal type for a backed binary type - -This type extends the template parameter @a BinaryType provided to `basic_json` -with a subtype used by BSON and MessagePack. This type exists so that the user -does not have to specify a type themselves with a specific naming scheme in -order to override the binary type. - -@tparam BinaryType container to store bytes (`std::vector` by - default) - -@since version 3.8.0 -*/ -template -class byte_container_with_subtype : public BinaryType -{ - public: - /// the type of the underlying container - using container_type = BinaryType; - - byte_container_with_subtype() noexcept(noexcept(container_type())) - : container_type() - {} - - byte_container_with_subtype(const container_type& b) noexcept(noexcept(container_type(b))) - : container_type(b) - {} - - byte_container_with_subtype(container_type&& b) noexcept(noexcept(container_type(std::move(b)))) - : container_type(std::move(b)) - {} - - byte_container_with_subtype(const container_type& b, std::uint8_t subtype) noexcept(noexcept(container_type(b))) - : container_type(b) - , m_subtype(subtype) - , m_has_subtype(true) - {} - - byte_container_with_subtype(container_type&& b, std::uint8_t subtype) noexcept(noexcept(container_type(std::move(b)))) - : container_type(std::move(b)) - , m_subtype(subtype) - , m_has_subtype(true) - {} - - bool operator==(const byte_container_with_subtype& rhs) const - { - return std::tie(static_cast(*this), m_subtype, m_has_subtype) == - std::tie(static_cast(rhs), rhs.m_subtype, rhs.m_has_subtype); - } - - bool operator!=(const byte_container_with_subtype& rhs) const - { - return !(rhs == *this); - } - - /*! - @brief sets the binary subtype - - Sets the binary subtype of the value, also flags a binary JSON value as - having a subtype, which has implications for serialization. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @sa @ref subtype() -- return the binary subtype - @sa @ref clear_subtype() -- clears the binary subtype - @sa @ref has_subtype() -- returns whether or not the binary value has a - subtype - - @since version 3.8.0 - */ - void set_subtype(std::uint8_t subtype) noexcept - { - m_subtype = subtype; - m_has_subtype = true; - } - - /*! - @brief return the binary subtype - - Returns the numerical subtype of the value if it has a subtype. If it does - not have a subtype, this function will return size_t(-1) as a sentinel - value. - - @return the numerical subtype of the binary value - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @sa @ref set_subtype() -- sets the binary subtype - @sa @ref clear_subtype() -- clears the binary subtype - @sa @ref has_subtype() -- returns whether or not the binary value has a - subtype - - @since version 3.8.0 - */ - constexpr std::uint8_t subtype() const noexcept - { - return m_subtype; - } - - /*! - @brief return whether the value has a subtype - - @return whether the value has a subtype - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @sa @ref subtype() -- return the binary subtype - @sa @ref set_subtype() -- sets the binary subtype - @sa @ref clear_subtype() -- clears the binary subtype - - @since version 3.8.0 - */ - constexpr bool has_subtype() const noexcept - { - return m_has_subtype; - } - - /*! - @brief clears the binary subtype - - Clears the binary subtype and flags the value as not having a subtype, which - has implications for serialization; for instance MessagePack will prefer the - bin family over the ext family. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @sa @ref subtype() -- return the binary subtype - @sa @ref set_subtype() -- sets the binary subtype - @sa @ref has_subtype() -- returns whether or not the binary value has a - subtype - - @since version 3.8.0 - */ - void clear_subtype() noexcept - { - m_subtype = 0; - m_has_subtype = false; - } - - private: - std::uint8_t m_subtype = 0; - bool m_has_subtype = false; -}; - -} // namespace nlohmann - -// #include - -// #include - -// #include - -// #include - - -#include // size_t, uint8_t -#include // hash - -namespace nlohmann -{ -namespace detail -{ - -// boost::hash_combine -inline std::size_t combine(std::size_t seed, std::size_t h) noexcept -{ - seed ^= h + 0x9e3779b9 + (seed << 6U) + (seed >> 2U); - return seed; -} - -/*! -@brief hash a JSON value - -The hash function tries to rely on std::hash where possible. Furthermore, the -type of the JSON value is taken into account to have different hash values for -null, 0, 0U, and false, etc. - -@tparam BasicJsonType basic_json specialization -@param j JSON value to hash -@return hash value of j -*/ -template -std::size_t hash(const BasicJsonType& j) -{ - using string_t = typename BasicJsonType::string_t; - using number_integer_t = typename BasicJsonType::number_integer_t; - using number_unsigned_t = typename BasicJsonType::number_unsigned_t; - using number_float_t = typename BasicJsonType::number_float_t; - - const auto type = static_cast(j.type()); - switch (j.type()) - { - case BasicJsonType::value_t::null: - case BasicJsonType::value_t::discarded: - { - return combine(type, 0); - } - - case BasicJsonType::value_t::object: - { - auto seed = combine(type, j.size()); - for (const auto& element : j.items()) - { - const auto h = std::hash {}(element.key()); - seed = combine(seed, h); - seed = combine(seed, hash(element.value())); - } - return seed; - } - - case BasicJsonType::value_t::array: - { - auto seed = combine(type, j.size()); - for (const auto& element : j) - { - seed = combine(seed, hash(element)); - } - return seed; - } - - case BasicJsonType::value_t::string: - { - const auto h = std::hash {}(j.template get_ref()); - return combine(type, h); - } - - case BasicJsonType::value_t::boolean: - { - const auto h = std::hash {}(j.template get()); - return combine(type, h); - } - - case BasicJsonType::value_t::number_integer: - { - const auto h = std::hash {}(j.template get()); - return combine(type, h); - } - - case nlohmann::detail::value_t::number_unsigned: - { - const auto h = std::hash {}(j.template get()); - return combine(type, h); - } - - case nlohmann::detail::value_t::number_float: - { - const auto h = std::hash {}(j.template get()); - return combine(type, h); - } - - case nlohmann::detail::value_t::binary: - { - auto seed = combine(type, j.get_binary().size()); - const auto h = std::hash {}(j.get_binary().has_subtype()); - seed = combine(seed, h); - seed = combine(seed, j.get_binary().subtype()); - for (const auto byte : j.get_binary()) - { - seed = combine(seed, std::hash {}(byte)); - } - return seed; - } - - default: // LCOV_EXCL_LINE - JSON_ASSERT(false); // LCOV_EXCL_LINE - } -} - -} // namespace detail -} // namespace nlohmann - -// #include - - -#include // generate_n -#include // array -#include // ldexp -#include // size_t -#include // uint8_t, uint16_t, uint32_t, uint64_t -#include // snprintf -#include // memcpy -#include // back_inserter -#include // numeric_limits -#include // char_traits, string -#include // make_pair, move - -// #include - -// #include - - -#include // array -#include // size_t -#include //FILE * -#include // strlen -#include // istream -#include // begin, end, iterator_traits, random_access_iterator_tag, distance, next -#include // shared_ptr, make_shared, addressof -#include // accumulate -#include // string, char_traits -#include // enable_if, is_base_of, is_pointer, is_integral, remove_pointer -#include // pair, declval - -// #include - -// #include - - -namespace nlohmann -{ -namespace detail -{ -/// the supported input formats -enum class input_format_t { json, cbor, msgpack, ubjson, bson }; - -//////////////////// -// input adapters // -//////////////////// - -/*! -Input adapter for stdio file access. This adapter read only 1 byte and do not use any - buffer. This adapter is a very low level adapter. -*/ -class file_input_adapter -{ - public: - using char_type = char; - - JSON_HEDLEY_NON_NULL(2) - explicit file_input_adapter(std::FILE* f) noexcept - : m_file(f) - {} - - // make class move-only - file_input_adapter(const file_input_adapter&) = delete; - file_input_adapter(file_input_adapter&&) = default; - file_input_adapter& operator=(const file_input_adapter&) = delete; - file_input_adapter& operator=(file_input_adapter&&) = delete; - - std::char_traits::int_type get_character() noexcept - { - return std::fgetc(m_file); - } - - private: - /// the file pointer to read from - std::FILE* m_file; -}; - - -/*! -Input adapter for a (caching) istream. Ignores a UFT Byte Order Mark at -beginning of input. Does not support changing the underlying std::streambuf -in mid-input. Maintains underlying std::istream and std::streambuf to support -subsequent use of standard std::istream operations to process any input -characters following those used in parsing the JSON input. Clears the -std::istream flags; any input errors (e.g., EOF) will be detected by the first -subsequent call for input from the std::istream. -*/ -class input_stream_adapter -{ - public: - using char_type = char; - - ~input_stream_adapter() - { - // clear stream flags; we use underlying streambuf I/O, do not - // maintain ifstream flags, except eof - if (is != nullptr) - { - is->clear(is->rdstate() & std::ios::eofbit); - } - } - - explicit input_stream_adapter(std::istream& i) - : is(&i), sb(i.rdbuf()) - {} - - // delete because of pointer members - input_stream_adapter(const input_stream_adapter&) = delete; - input_stream_adapter& operator=(input_stream_adapter&) = delete; - input_stream_adapter& operator=(input_stream_adapter&& rhs) = delete; - - input_stream_adapter(input_stream_adapter&& rhs) noexcept : is(rhs.is), sb(rhs.sb) - { - rhs.is = nullptr; - rhs.sb = nullptr; - } - - // std::istream/std::streambuf use std::char_traits::to_int_type, to - // ensure that std::char_traits::eof() and the character 0xFF do not - // end up as the same value, eg. 0xFFFFFFFF. - std::char_traits::int_type get_character() - { - auto res = sb->sbumpc(); - // set eof manually, as we don't use the istream interface. - if (JSON_HEDLEY_UNLIKELY(res == EOF)) - { - is->clear(is->rdstate() | std::ios::eofbit); - } - return res; - } - - private: - /// the associated input stream - std::istream* is = nullptr; - std::streambuf* sb = nullptr; -}; - -// General-purpose iterator-based adapter. It might not be as fast as -// theoretically possible for some containers, but it is extremely versatile. -template -class iterator_input_adapter -{ - public: - using char_type = typename std::iterator_traits::value_type; - - iterator_input_adapter(IteratorType first, IteratorType last) - : current(std::move(first)), end(std::move(last)) {} - - typename std::char_traits::int_type get_character() - { - if (JSON_HEDLEY_LIKELY(current != end)) - { - auto result = std::char_traits::to_int_type(*current); - std::advance(current, 1); - return result; - } - else - { - return std::char_traits::eof(); - } - } - - private: - IteratorType current; - IteratorType end; - - template - friend struct wide_string_input_helper; - - bool empty() const - { - return current == end; - } - -}; - - -template -struct wide_string_input_helper; - -template -struct wide_string_input_helper -{ - // UTF-32 - static void fill_buffer(BaseInputAdapter& input, - std::array::int_type, 4>& utf8_bytes, - size_t& utf8_bytes_index, - size_t& utf8_bytes_filled) - { - utf8_bytes_index = 0; - - if (JSON_HEDLEY_UNLIKELY(input.empty())) - { - utf8_bytes[0] = std::char_traits::eof(); - utf8_bytes_filled = 1; - } - else - { - // get the current character - const auto wc = input.get_character(); - - // UTF-32 to UTF-8 encoding - if (wc < 0x80) - { - utf8_bytes[0] = static_cast::int_type>(wc); - utf8_bytes_filled = 1; - } - else if (wc <= 0x7FF) - { - utf8_bytes[0] = static_cast::int_type>(0xC0u | ((static_cast(wc) >> 6u) & 0x1Fu)); - utf8_bytes[1] = static_cast::int_type>(0x80u | (static_cast(wc) & 0x3Fu)); - utf8_bytes_filled = 2; - } - else if (wc <= 0xFFFF) - { - utf8_bytes[0] = static_cast::int_type>(0xE0u | ((static_cast(wc) >> 12u) & 0x0Fu)); - utf8_bytes[1] = static_cast::int_type>(0x80u | ((static_cast(wc) >> 6u) & 0x3Fu)); - utf8_bytes[2] = static_cast::int_type>(0x80u | (static_cast(wc) & 0x3Fu)); - utf8_bytes_filled = 3; - } - else if (wc <= 0x10FFFF) - { - utf8_bytes[0] = static_cast::int_type>(0xF0u | ((static_cast(wc) >> 18u) & 0x07u)); - utf8_bytes[1] = static_cast::int_type>(0x80u | ((static_cast(wc) >> 12u) & 0x3Fu)); - utf8_bytes[2] = static_cast::int_type>(0x80u | ((static_cast(wc) >> 6u) & 0x3Fu)); - utf8_bytes[3] = static_cast::int_type>(0x80u | (static_cast(wc) & 0x3Fu)); - utf8_bytes_filled = 4; - } - else - { - // unknown character - utf8_bytes[0] = static_cast::int_type>(wc); - utf8_bytes_filled = 1; - } - } - } -}; - -template -struct wide_string_input_helper -{ - // UTF-16 - static void fill_buffer(BaseInputAdapter& input, - std::array::int_type, 4>& utf8_bytes, - size_t& utf8_bytes_index, - size_t& utf8_bytes_filled) - { - utf8_bytes_index = 0; - - if (JSON_HEDLEY_UNLIKELY(input.empty())) - { - utf8_bytes[0] = std::char_traits::eof(); - utf8_bytes_filled = 1; - } - else - { - // get the current character - const auto wc = input.get_character(); - - // UTF-16 to UTF-8 encoding - if (wc < 0x80) - { - utf8_bytes[0] = static_cast::int_type>(wc); - utf8_bytes_filled = 1; - } - else if (wc <= 0x7FF) - { - utf8_bytes[0] = static_cast::int_type>(0xC0u | ((static_cast(wc) >> 6u))); - utf8_bytes[1] = static_cast::int_type>(0x80u | (static_cast(wc) & 0x3Fu)); - utf8_bytes_filled = 2; - } - else if (0xD800 > wc || wc >= 0xE000) - { - utf8_bytes[0] = static_cast::int_type>(0xE0u | ((static_cast(wc) >> 12u))); - utf8_bytes[1] = static_cast::int_type>(0x80u | ((static_cast(wc) >> 6u) & 0x3Fu)); - utf8_bytes[2] = static_cast::int_type>(0x80u | (static_cast(wc) & 0x3Fu)); - utf8_bytes_filled = 3; - } - else - { - if (JSON_HEDLEY_UNLIKELY(!input.empty())) - { - const auto wc2 = static_cast(input.get_character()); - const auto charcode = 0x10000u + (((static_cast(wc) & 0x3FFu) << 10u) | (wc2 & 0x3FFu)); - utf8_bytes[0] = static_cast::int_type>(0xF0u | (charcode >> 18u)); - utf8_bytes[1] = static_cast::int_type>(0x80u | ((charcode >> 12u) & 0x3Fu)); - utf8_bytes[2] = static_cast::int_type>(0x80u | ((charcode >> 6u) & 0x3Fu)); - utf8_bytes[3] = static_cast::int_type>(0x80u | (charcode & 0x3Fu)); - utf8_bytes_filled = 4; - } - else - { - utf8_bytes[0] = static_cast::int_type>(wc); - utf8_bytes_filled = 1; - } - } - } - } -}; - -// Wraps another input apdater to convert wide character types into individual bytes. -template -class wide_string_input_adapter -{ - public: - using char_type = char; - - wide_string_input_adapter(BaseInputAdapter base) - : base_adapter(base) {} - - typename std::char_traits::int_type get_character() noexcept - { - // check if buffer needs to be filled - if (utf8_bytes_index == utf8_bytes_filled) - { - fill_buffer(); - - JSON_ASSERT(utf8_bytes_filled > 0); - JSON_ASSERT(utf8_bytes_index == 0); - } - - // use buffer - JSON_ASSERT(utf8_bytes_filled > 0); - JSON_ASSERT(utf8_bytes_index < utf8_bytes_filled); - return utf8_bytes[utf8_bytes_index++]; - } - - private: - BaseInputAdapter base_adapter; - - template - void fill_buffer() - { - wide_string_input_helper::fill_buffer(base_adapter, utf8_bytes, utf8_bytes_index, utf8_bytes_filled); - } - - /// a buffer for UTF-8 bytes - std::array::int_type, 4> utf8_bytes = {{0, 0, 0, 0}}; - - /// index to the utf8_codes array for the next valid byte - std::size_t utf8_bytes_index = 0; - /// number of valid bytes in the utf8_codes array - std::size_t utf8_bytes_filled = 0; -}; - - -template -struct iterator_input_adapter_factory -{ - using iterator_type = IteratorType; - using char_type = typename std::iterator_traits::value_type; - using adapter_type = iterator_input_adapter; - - static adapter_type create(IteratorType first, IteratorType last) - { - return adapter_type(std::move(first), std::move(last)); - } -}; - -template -struct is_iterator_of_multibyte -{ - using value_type = typename std::iterator_traits::value_type; - enum - { - value = sizeof(value_type) > 1 - }; -}; - -template -struct iterator_input_adapter_factory::value>> -{ - using iterator_type = IteratorType; - using char_type = typename std::iterator_traits::value_type; - using base_adapter_type = iterator_input_adapter; - using adapter_type = wide_string_input_adapter; - - static adapter_type create(IteratorType first, IteratorType last) - { - return adapter_type(base_adapter_type(std::move(first), std::move(last))); - } -}; - -// General purpose iterator-based input -template -typename iterator_input_adapter_factory::adapter_type input_adapter(IteratorType first, IteratorType last) -{ - using factory_type = iterator_input_adapter_factory; - return factory_type::create(first, last); -} - -// Convenience shorthand from container to iterator -template -auto input_adapter(const ContainerType& container) -> decltype(input_adapter(begin(container), end(container))) -{ - // Enable ADL - using std::begin; - using std::end; - - return input_adapter(begin(container), end(container)); -} - -// Special cases with fast paths -inline file_input_adapter input_adapter(std::FILE* file) -{ - return file_input_adapter(file); -} - -inline input_stream_adapter input_adapter(std::istream& stream) -{ - return input_stream_adapter(stream); -} - -inline input_stream_adapter input_adapter(std::istream&& stream) -{ - return input_stream_adapter(stream); -} - -using contiguous_bytes_input_adapter = decltype(input_adapter(std::declval(), std::declval())); - -// Null-delimited strings, and the like. -template < typename CharT, - typename std::enable_if < - std::is_pointer::value&& - !std::is_array::value&& - std::is_integral::type>::value&& - sizeof(typename std::remove_pointer::type) == 1, - int >::type = 0 > -contiguous_bytes_input_adapter input_adapter(CharT b) -{ - auto length = std::strlen(reinterpret_cast(b)); - const auto* ptr = reinterpret_cast(b); - return input_adapter(ptr, ptr + length); -} - -template -auto input_adapter(T (&array)[N]) -> decltype(input_adapter(array, array + N)) -{ - return input_adapter(array, array + N); -} - -// This class only handles inputs of input_buffer_adapter type. -// It's required so that expressions like {ptr, len} can be implicitely casted -// to the correct adapter. -class span_input_adapter -{ - public: - template < typename CharT, - typename std::enable_if < - std::is_pointer::value&& - std::is_integral::type>::value&& - sizeof(typename std::remove_pointer::type) == 1, - int >::type = 0 > - span_input_adapter(CharT b, std::size_t l) - : ia(reinterpret_cast(b), reinterpret_cast(b) + l) {} - - template::iterator_category, std::random_access_iterator_tag>::value, - int>::type = 0> - span_input_adapter(IteratorType first, IteratorType last) - : ia(input_adapter(first, last)) {} - - contiguous_bytes_input_adapter&& get() - { - return std::move(ia); - } - - private: - contiguous_bytes_input_adapter ia; -}; -} // namespace detail -} // namespace nlohmann - -// #include - - -#include -#include // string -#include // move -#include // vector - -// #include - -// #include - - -namespace nlohmann -{ - -/*! -@brief SAX interface - -This class describes the SAX interface used by @ref nlohmann::json::sax_parse. -Each function is called in different situations while the input is parsed. The -boolean return value informs the parser whether to continue processing the -input. -*/ -template -struct json_sax -{ - using number_integer_t = typename BasicJsonType::number_integer_t; - using number_unsigned_t = typename BasicJsonType::number_unsigned_t; - using number_float_t = typename BasicJsonType::number_float_t; - using string_t = typename BasicJsonType::string_t; - using binary_t = typename BasicJsonType::binary_t; - - /*! - @brief a null value was read - @return whether parsing should proceed - */ - virtual bool null() = 0; - - /*! - @brief a boolean value was read - @param[in] val boolean value - @return whether parsing should proceed - */ - virtual bool boolean(bool val) = 0; - - /*! - @brief an integer number was read - @param[in] val integer value - @return whether parsing should proceed - */ - virtual bool number_integer(number_integer_t val) = 0; - - /*! - @brief an unsigned integer number was read - @param[in] val unsigned integer value - @return whether parsing should proceed - */ - virtual bool number_unsigned(number_unsigned_t val) = 0; - - /*! - @brief an floating-point number was read - @param[in] val floating-point value - @param[in] s raw token value - @return whether parsing should proceed - */ - virtual bool number_float(number_float_t val, const string_t& s) = 0; - - /*! - @brief a string was read - @param[in] val string value - @return whether parsing should proceed - @note It is safe to move the passed string. - */ - virtual bool string(string_t& val) = 0; - - /*! - @brief a binary string was read - @param[in] val binary value - @return whether parsing should proceed - @note It is safe to move the passed binary. - */ - virtual bool binary(binary_t& val) = 0; - - /*! - @brief the beginning of an object was read - @param[in] elements number of object elements or -1 if unknown - @return whether parsing should proceed - @note binary formats may report the number of elements - */ - virtual bool start_object(std::size_t elements) = 0; - - /*! - @brief an object key was read - @param[in] val object key - @return whether parsing should proceed - @note It is safe to move the passed string. - */ - virtual bool key(string_t& val) = 0; - - /*! - @brief the end of an object was read - @return whether parsing should proceed - */ - virtual bool end_object() = 0; - - /*! - @brief the beginning of an array was read - @param[in] elements number of array elements or -1 if unknown - @return whether parsing should proceed - @note binary formats may report the number of elements - */ - virtual bool start_array(std::size_t elements) = 0; - - /*! - @brief the end of an array was read - @return whether parsing should proceed - */ - virtual bool end_array() = 0; - - /*! - @brief a parse error occurred - @param[in] position the position in the input where the error occurs - @param[in] last_token the last read token - @param[in] ex an exception object describing the error - @return whether parsing should proceed (must return false) - */ - virtual bool parse_error(std::size_t position, - const std::string& last_token, - const detail::exception& ex) = 0; - - virtual ~json_sax() = default; -}; - - -namespace detail -{ -/*! -@brief SAX implementation to create a JSON value from SAX events - -This class implements the @ref json_sax interface and processes the SAX events -to create a JSON value which makes it basically a DOM parser. The structure or -hierarchy of the JSON value is managed by the stack `ref_stack` which contains -a pointer to the respective array or object for each recursion depth. - -After successful parsing, the value that is passed by reference to the -constructor contains the parsed value. - -@tparam BasicJsonType the JSON type -*/ -template -class json_sax_dom_parser -{ - public: - using number_integer_t = typename BasicJsonType::number_integer_t; - using number_unsigned_t = typename BasicJsonType::number_unsigned_t; - using number_float_t = typename BasicJsonType::number_float_t; - using string_t = typename BasicJsonType::string_t; - using binary_t = typename BasicJsonType::binary_t; - - /*! - @param[in, out] r reference to a JSON value that is manipulated while - parsing - @param[in] allow_exceptions_ whether parse errors yield exceptions - */ - explicit json_sax_dom_parser(BasicJsonType& r, const bool allow_exceptions_ = true) - : root(r), allow_exceptions(allow_exceptions_) - {} - - // make class move-only - json_sax_dom_parser(const json_sax_dom_parser&) = delete; - json_sax_dom_parser(json_sax_dom_parser&&) = default; - json_sax_dom_parser& operator=(const json_sax_dom_parser&) = delete; - json_sax_dom_parser& operator=(json_sax_dom_parser&&) = default; - ~json_sax_dom_parser() = default; - - bool null() - { - handle_value(nullptr); - return true; - } - - bool boolean(bool val) - { - handle_value(val); - return true; - } - - bool number_integer(number_integer_t val) - { - handle_value(val); - return true; - } - - bool number_unsigned(number_unsigned_t val) - { - handle_value(val); - return true; - } - - bool number_float(number_float_t val, const string_t& /*unused*/) - { - handle_value(val); - return true; - } - - bool string(string_t& val) - { - handle_value(val); - return true; - } - - bool binary(binary_t& val) - { - handle_value(std::move(val)); - return true; - } - - bool start_object(std::size_t len) - { - ref_stack.push_back(handle_value(BasicJsonType::value_t::object)); - - if (JSON_HEDLEY_UNLIKELY(len != std::size_t(-1) && len > ref_stack.back()->max_size())) - { - JSON_THROW(out_of_range::create(408, - "excessive object size: " + std::to_string(len))); - } - - return true; - } - - bool key(string_t& val) - { - // add null at given key and store the reference for later - object_element = &(ref_stack.back()->m_value.object->operator[](val)); - return true; - } - - bool end_object() - { - ref_stack.pop_back(); - return true; - } - - bool start_array(std::size_t len) - { - ref_stack.push_back(handle_value(BasicJsonType::value_t::array)); - - if (JSON_HEDLEY_UNLIKELY(len != std::size_t(-1) && len > ref_stack.back()->max_size())) - { - JSON_THROW(out_of_range::create(408, - "excessive array size: " + std::to_string(len))); - } - - return true; - } - - bool end_array() - { - ref_stack.pop_back(); - return true; - } - - template - bool parse_error(std::size_t /*unused*/, const std::string& /*unused*/, - const Exception& ex) - { - errored = true; - static_cast(ex); - if (allow_exceptions) - { - JSON_THROW(ex); - } - return false; - } - - constexpr bool is_errored() const - { - return errored; - } - - private: - /*! - @invariant If the ref stack is empty, then the passed value will be the new - root. - @invariant If the ref stack contains a value, then it is an array or an - object to which we can add elements - */ - template - JSON_HEDLEY_RETURNS_NON_NULL - BasicJsonType* handle_value(Value&& v) - { - if (ref_stack.empty()) - { - root = BasicJsonType(std::forward(v)); - return &root; - } - - JSON_ASSERT(ref_stack.back()->is_array() || ref_stack.back()->is_object()); - - if (ref_stack.back()->is_array()) - { - ref_stack.back()->m_value.array->emplace_back(std::forward(v)); - return &(ref_stack.back()->m_value.array->back()); - } - - JSON_ASSERT(ref_stack.back()->is_object()); - JSON_ASSERT(object_element); - *object_element = BasicJsonType(std::forward(v)); - return object_element; - } - - /// the parsed JSON value - BasicJsonType& root; - /// stack to model hierarchy of values - std::vector ref_stack {}; - /// helper to hold the reference for the next object element - BasicJsonType* object_element = nullptr; - /// whether a syntax error occurred - bool errored = false; - /// whether to throw exceptions in case of errors - const bool allow_exceptions = true; -}; - -template -class json_sax_dom_callback_parser -{ - public: - using number_integer_t = typename BasicJsonType::number_integer_t; - using number_unsigned_t = typename BasicJsonType::number_unsigned_t; - using number_float_t = typename BasicJsonType::number_float_t; - using string_t = typename BasicJsonType::string_t; - using binary_t = typename BasicJsonType::binary_t; - using parser_callback_t = typename BasicJsonType::parser_callback_t; - using parse_event_t = typename BasicJsonType::parse_event_t; - - json_sax_dom_callback_parser(BasicJsonType& r, - const parser_callback_t cb, - const bool allow_exceptions_ = true) - : root(r), callback(cb), allow_exceptions(allow_exceptions_) - { - keep_stack.push_back(true); - } - - // make class move-only - json_sax_dom_callback_parser(const json_sax_dom_callback_parser&) = delete; - json_sax_dom_callback_parser(json_sax_dom_callback_parser&&) = default; - json_sax_dom_callback_parser& operator=(const json_sax_dom_callback_parser&) = delete; - json_sax_dom_callback_parser& operator=(json_sax_dom_callback_parser&&) = default; - ~json_sax_dom_callback_parser() = default; - - bool null() - { - handle_value(nullptr); - return true; - } - - bool boolean(bool val) - { - handle_value(val); - return true; - } - - bool number_integer(number_integer_t val) - { - handle_value(val); - return true; - } - - bool number_unsigned(number_unsigned_t val) - { - handle_value(val); - return true; - } - - bool number_float(number_float_t val, const string_t& /*unused*/) - { - handle_value(val); - return true; - } - - bool string(string_t& val) - { - handle_value(val); - return true; - } - - bool binary(binary_t& val) - { - handle_value(std::move(val)); - return true; - } - - bool start_object(std::size_t len) - { - // check callback for object start - const bool keep = callback(static_cast(ref_stack.size()), parse_event_t::object_start, discarded); - keep_stack.push_back(keep); - - auto val = handle_value(BasicJsonType::value_t::object, true); - ref_stack.push_back(val.second); - - // check object limit - if (ref_stack.back() && JSON_HEDLEY_UNLIKELY(len != std::size_t(-1) && len > ref_stack.back()->max_size())) - { - JSON_THROW(out_of_range::create(408, "excessive object size: " + std::to_string(len))); - } - - return true; - } - - bool key(string_t& val) - { - BasicJsonType k = BasicJsonType(val); - - // check callback for key - const bool keep = callback(static_cast(ref_stack.size()), parse_event_t::key, k); - key_keep_stack.push_back(keep); - - // add discarded value at given key and store the reference for later - if (keep && ref_stack.back()) - { - object_element = &(ref_stack.back()->m_value.object->operator[](val) = discarded); - } - - return true; - } - - bool end_object() - { - if (ref_stack.back() && !callback(static_cast(ref_stack.size()) - 1, parse_event_t::object_end, *ref_stack.back())) - { - // discard object - *ref_stack.back() = discarded; - } - - JSON_ASSERT(!ref_stack.empty()); - JSON_ASSERT(!keep_stack.empty()); - ref_stack.pop_back(); - keep_stack.pop_back(); - - if (!ref_stack.empty() && ref_stack.back() && ref_stack.back()->is_structured()) - { - // remove discarded value - for (auto it = ref_stack.back()->begin(); it != ref_stack.back()->end(); ++it) - { - if (it->is_discarded()) - { - ref_stack.back()->erase(it); - break; - } - } - } - - return true; - } - - bool start_array(std::size_t len) - { - const bool keep = callback(static_cast(ref_stack.size()), parse_event_t::array_start, discarded); - keep_stack.push_back(keep); - - auto val = handle_value(BasicJsonType::value_t::array, true); - ref_stack.push_back(val.second); - - // check array limit - if (ref_stack.back() && JSON_HEDLEY_UNLIKELY(len != std::size_t(-1) && len > ref_stack.back()->max_size())) - { - JSON_THROW(out_of_range::create(408, "excessive array size: " + std::to_string(len))); - } - - return true; - } - - bool end_array() - { - bool keep = true; - - if (ref_stack.back()) - { - keep = callback(static_cast(ref_stack.size()) - 1, parse_event_t::array_end, *ref_stack.back()); - if (!keep) - { - // discard array - *ref_stack.back() = discarded; - } - } - - JSON_ASSERT(!ref_stack.empty()); - JSON_ASSERT(!keep_stack.empty()); - ref_stack.pop_back(); - keep_stack.pop_back(); - - // remove discarded value - if (!keep && !ref_stack.empty() && ref_stack.back()->is_array()) - { - ref_stack.back()->m_value.array->pop_back(); - } - - return true; - } - - template - bool parse_error(std::size_t /*unused*/, const std::string& /*unused*/, - const Exception& ex) - { - errored = true; - static_cast(ex); - if (allow_exceptions) - { - JSON_THROW(ex); - } - return false; - } - - constexpr bool is_errored() const - { - return errored; - } - - private: - /*! - @param[in] v value to add to the JSON value we build during parsing - @param[in] skip_callback whether we should skip calling the callback - function; this is required after start_array() and - start_object() SAX events, because otherwise we would call the - callback function with an empty array or object, respectively. - - @invariant If the ref stack is empty, then the passed value will be the new - root. - @invariant If the ref stack contains a value, then it is an array or an - object to which we can add elements - - @return pair of boolean (whether value should be kept) and pointer (to the - passed value in the ref_stack hierarchy; nullptr if not kept) - */ - template - std::pair handle_value(Value&& v, const bool skip_callback = false) - { - JSON_ASSERT(!keep_stack.empty()); - - // do not handle this value if we know it would be added to a discarded - // container - if (!keep_stack.back()) - { - return {false, nullptr}; - } - - // create value - auto value = BasicJsonType(std::forward(v)); - - // check callback - const bool keep = skip_callback || callback(static_cast(ref_stack.size()), parse_event_t::value, value); - - // do not handle this value if we just learnt it shall be discarded - if (!keep) - { - return {false, nullptr}; - } - - if (ref_stack.empty()) - { - root = std::move(value); - return {true, &root}; - } - - // skip this value if we already decided to skip the parent - // (https://github.com/nlohmann/json/issues/971#issuecomment-413678360) - if (!ref_stack.back()) - { - return {false, nullptr}; - } - - // we now only expect arrays and objects - JSON_ASSERT(ref_stack.back()->is_array() || ref_stack.back()->is_object()); - - // array - if (ref_stack.back()->is_array()) - { - ref_stack.back()->m_value.array->push_back(std::move(value)); - return {true, &(ref_stack.back()->m_value.array->back())}; - } - - // object - JSON_ASSERT(ref_stack.back()->is_object()); - // check if we should store an element for the current key - JSON_ASSERT(!key_keep_stack.empty()); - const bool store_element = key_keep_stack.back(); - key_keep_stack.pop_back(); - - if (!store_element) - { - return {false, nullptr}; - } - - JSON_ASSERT(object_element); - *object_element = std::move(value); - return {true, object_element}; - } - - /// the parsed JSON value - BasicJsonType& root; - /// stack to model hierarchy of values - std::vector ref_stack {}; - /// stack to manage which values to keep - std::vector keep_stack {}; - /// stack to manage which object keys to keep - std::vector key_keep_stack {}; - /// helper to hold the reference for the next object element - BasicJsonType* object_element = nullptr; - /// whether a syntax error occurred - bool errored = false; - /// callback function - const parser_callback_t callback = nullptr; - /// whether to throw exceptions in case of errors - const bool allow_exceptions = true; - /// a discarded value for the callback - BasicJsonType discarded = BasicJsonType::value_t::discarded; -}; - -template -class json_sax_acceptor -{ - public: - using number_integer_t = typename BasicJsonType::number_integer_t; - using number_unsigned_t = typename BasicJsonType::number_unsigned_t; - using number_float_t = typename BasicJsonType::number_float_t; - using string_t = typename BasicJsonType::string_t; - using binary_t = typename BasicJsonType::binary_t; - - bool null() - { - return true; - } - - bool boolean(bool /*unused*/) - { - return true; - } - - bool number_integer(number_integer_t /*unused*/) - { - return true; - } - - bool number_unsigned(number_unsigned_t /*unused*/) - { - return true; - } - - bool number_float(number_float_t /*unused*/, const string_t& /*unused*/) - { - return true; - } - - bool string(string_t& /*unused*/) - { - return true; - } - - bool binary(binary_t& /*unused*/) - { - return true; - } - - bool start_object(std::size_t /*unused*/ = std::size_t(-1)) - { - return true; - } - - bool key(string_t& /*unused*/) - { - return true; - } - - bool end_object() - { - return true; - } - - bool start_array(std::size_t /*unused*/ = std::size_t(-1)) - { - return true; - } - - bool end_array() - { - return true; - } - - bool parse_error(std::size_t /*unused*/, const std::string& /*unused*/, const detail::exception& /*unused*/) - { - return false; - } -}; -} // namespace detail - -} // namespace nlohmann - -// #include - - -#include // array -#include // localeconv -#include // size_t -#include // snprintf -#include // strtof, strtod, strtold, strtoll, strtoull -#include // initializer_list -#include // char_traits, string -#include // move -#include // vector - -// #include - -// #include - -// #include - - -namespace nlohmann -{ -namespace detail -{ -/////////// -// lexer // -/////////// - -template -class lexer_base -{ - public: - /// token types for the parser - enum class token_type - { - uninitialized, ///< indicating the scanner is uninitialized - literal_true, ///< the `true` literal - literal_false, ///< the `false` literal - literal_null, ///< the `null` literal - value_string, ///< a string -- use get_string() for actual value - value_unsigned, ///< an unsigned integer -- use get_number_unsigned() for actual value - value_integer, ///< a signed integer -- use get_number_integer() for actual value - value_float, ///< an floating point number -- use get_number_float() for actual value - begin_array, ///< the character for array begin `[` - begin_object, ///< the character for object begin `{` - end_array, ///< the character for array end `]` - end_object, ///< the character for object end `}` - name_separator, ///< the name separator `:` - value_separator, ///< the value separator `,` - parse_error, ///< indicating a parse error - end_of_input, ///< indicating the end of the input buffer - literal_or_value ///< a literal or the begin of a value (only for diagnostics) - }; - - /// return name of values of type token_type (only used for errors) - JSON_HEDLEY_RETURNS_NON_NULL - JSON_HEDLEY_CONST - static const char* token_type_name(const token_type t) noexcept - { - switch (t) - { - case token_type::uninitialized: - return ""; - case token_type::literal_true: - return "true literal"; - case token_type::literal_false: - return "false literal"; - case token_type::literal_null: - return "null literal"; - case token_type::value_string: - return "string literal"; - case token_type::value_unsigned: - case token_type::value_integer: - case token_type::value_float: - return "number literal"; - case token_type::begin_array: - return "'['"; - case token_type::begin_object: - return "'{'"; - case token_type::end_array: - return "']'"; - case token_type::end_object: - return "'}'"; - case token_type::name_separator: - return "':'"; - case token_type::value_separator: - return "','"; - case token_type::parse_error: - return ""; - case token_type::end_of_input: - return "end of input"; - case token_type::literal_or_value: - return "'[', '{', or a literal"; - // LCOV_EXCL_START - default: // catch non-enum values - return "unknown token"; - // LCOV_EXCL_STOP - } - } -}; -/*! -@brief lexical analysis - -This class organizes the lexical analysis during JSON deserialization. -*/ -template -class lexer : public lexer_base -{ - using number_integer_t = typename BasicJsonType::number_integer_t; - using number_unsigned_t = typename BasicJsonType::number_unsigned_t; - using number_float_t = typename BasicJsonType::number_float_t; - using string_t = typename BasicJsonType::string_t; - using char_type = typename InputAdapterType::char_type; - using char_int_type = typename std::char_traits::int_type; - - public: - using token_type = typename lexer_base::token_type; - - explicit lexer(InputAdapterType&& adapter, bool ignore_comments_ = false) - : ia(std::move(adapter)) - , ignore_comments(ignore_comments_) - , decimal_point_char(static_cast(get_decimal_point())) - {} - - // delete because of pointer members - lexer(const lexer&) = delete; - lexer(lexer&&) = default; - lexer& operator=(lexer&) = delete; - lexer& operator=(lexer&&) = default; - ~lexer() = default; - - private: - ///////////////////// - // locales - ///////////////////// - - /// return the locale-dependent decimal point - JSON_HEDLEY_PURE - static char get_decimal_point() noexcept - { - const auto* loc = localeconv(); - JSON_ASSERT(loc != nullptr); - return (loc->decimal_point == nullptr) ? '.' : *(loc->decimal_point); - } - - ///////////////////// - // scan functions - ///////////////////// - - /*! - @brief get codepoint from 4 hex characters following `\u` - - For input "\u c1 c2 c3 c4" the codepoint is: - (c1 * 0x1000) + (c2 * 0x0100) + (c3 * 0x0010) + c4 - = (c1 << 12) + (c2 << 8) + (c3 << 4) + (c4 << 0) - - Furthermore, the possible characters '0'..'9', 'A'..'F', and 'a'..'f' - must be converted to the integers 0x0..0x9, 0xA..0xF, 0xA..0xF, resp. The - conversion is done by subtracting the offset (0x30, 0x37, and 0x57) - between the ASCII value of the character and the desired integer value. - - @return codepoint (0x0000..0xFFFF) or -1 in case of an error (e.g. EOF or - non-hex character) - */ - int get_codepoint() - { - // this function only makes sense after reading `\u` - JSON_ASSERT(current == 'u'); - int codepoint = 0; - - const auto factors = { 12u, 8u, 4u, 0u }; - for (const auto factor : factors) - { - get(); - - if (current >= '0' && current <= '9') - { - codepoint += static_cast((static_cast(current) - 0x30u) << factor); - } - else if (current >= 'A' && current <= 'F') - { - codepoint += static_cast((static_cast(current) - 0x37u) << factor); - } - else if (current >= 'a' && current <= 'f') - { - codepoint += static_cast((static_cast(current) - 0x57u) << factor); - } - else - { - return -1; - } - } - - JSON_ASSERT(0x0000 <= codepoint && codepoint <= 0xFFFF); - return codepoint; - } - - /*! - @brief check if the next byte(s) are inside a given range - - Adds the current byte and, for each passed range, reads a new byte and - checks if it is inside the range. If a violation was detected, set up an - error message and return false. Otherwise, return true. - - @param[in] ranges list of integers; interpreted as list of pairs of - inclusive lower and upper bound, respectively - - @pre The passed list @a ranges must have 2, 4, or 6 elements; that is, - 1, 2, or 3 pairs. This precondition is enforced by an assertion. - - @return true if and only if no range violation was detected - */ - bool next_byte_in_range(std::initializer_list ranges) - { - JSON_ASSERT(ranges.size() == 2 || ranges.size() == 4 || ranges.size() == 6); - add(current); - - for (auto range = ranges.begin(); range != ranges.end(); ++range) - { - get(); - if (JSON_HEDLEY_LIKELY(*range <= current && current <= *(++range))) - { - add(current); - } - else - { - error_message = "invalid string: ill-formed UTF-8 byte"; - return false; - } - } - - return true; - } - - /*! - @brief scan a string literal - - This function scans a string according to Sect. 7 of RFC 7159. While - scanning, bytes are escaped and copied into buffer token_buffer. Then the - function returns successfully, token_buffer is *not* null-terminated (as it - may contain \0 bytes), and token_buffer.size() is the number of bytes in the - string. - - @return token_type::value_string if string could be successfully scanned, - token_type::parse_error otherwise - - @note In case of errors, variable error_message contains a textual - description. - */ - token_type scan_string() - { - // reset token_buffer (ignore opening quote) - reset(); - - // we entered the function by reading an open quote - JSON_ASSERT(current == '\"'); - - while (true) - { - // get next character - switch (get()) - { - // end of file while parsing string - case std::char_traits::eof(): - { - error_message = "invalid string: missing closing quote"; - return token_type::parse_error; - } - - // closing quote - case '\"': - { - return token_type::value_string; - } - - // escapes - case '\\': - { - switch (get()) - { - // quotation mark - case '\"': - add('\"'); - break; - // reverse solidus - case '\\': - add('\\'); - break; - // solidus - case '/': - add('/'); - break; - // backspace - case 'b': - add('\b'); - break; - // form feed - case 'f': - add('\f'); - break; - // line feed - case 'n': - add('\n'); - break; - // carriage return - case 'r': - add('\r'); - break; - // tab - case 't': - add('\t'); - break; - - // unicode escapes - case 'u': - { - const int codepoint1 = get_codepoint(); - int codepoint = codepoint1; // start with codepoint1 - - if (JSON_HEDLEY_UNLIKELY(codepoint1 == -1)) - { - error_message = "invalid string: '\\u' must be followed by 4 hex digits"; - return token_type::parse_error; - } - - // check if code point is a high surrogate - if (0xD800 <= codepoint1 && codepoint1 <= 0xDBFF) - { - // expect next \uxxxx entry - if (JSON_HEDLEY_LIKELY(get() == '\\' && get() == 'u')) - { - const int codepoint2 = get_codepoint(); - - if (JSON_HEDLEY_UNLIKELY(codepoint2 == -1)) - { - error_message = "invalid string: '\\u' must be followed by 4 hex digits"; - return token_type::parse_error; - } - - // check if codepoint2 is a low surrogate - if (JSON_HEDLEY_LIKELY(0xDC00 <= codepoint2 && codepoint2 <= 0xDFFF)) - { - // overwrite codepoint - codepoint = static_cast( - // high surrogate occupies the most significant 22 bits - (static_cast(codepoint1) << 10u) - // low surrogate occupies the least significant 15 bits - + static_cast(codepoint2) - // there is still the 0xD800, 0xDC00 and 0x10000 noise - // in the result so we have to subtract with: - // (0xD800 << 10) + DC00 - 0x10000 = 0x35FDC00 - - 0x35FDC00u); - } - else - { - error_message = "invalid string: surrogate U+D800..U+DBFF must be followed by U+DC00..U+DFFF"; - return token_type::parse_error; - } - } - else - { - error_message = "invalid string: surrogate U+D800..U+DBFF must be followed by U+DC00..U+DFFF"; - return token_type::parse_error; - } - } - else - { - if (JSON_HEDLEY_UNLIKELY(0xDC00 <= codepoint1 && codepoint1 <= 0xDFFF)) - { - error_message = "invalid string: surrogate U+DC00..U+DFFF must follow U+D800..U+DBFF"; - return token_type::parse_error; - } - } - - // result of the above calculation yields a proper codepoint - JSON_ASSERT(0x00 <= codepoint && codepoint <= 0x10FFFF); - - // translate codepoint into bytes - if (codepoint < 0x80) - { - // 1-byte characters: 0xxxxxxx (ASCII) - add(static_cast(codepoint)); - } - else if (codepoint <= 0x7FF) - { - // 2-byte characters: 110xxxxx 10xxxxxx - add(static_cast(0xC0u | (static_cast(codepoint) >> 6u))); - add(static_cast(0x80u | (static_cast(codepoint) & 0x3Fu))); - } - else if (codepoint <= 0xFFFF) - { - // 3-byte characters: 1110xxxx 10xxxxxx 10xxxxxx - add(static_cast(0xE0u | (static_cast(codepoint) >> 12u))); - add(static_cast(0x80u | ((static_cast(codepoint) >> 6u) & 0x3Fu))); - add(static_cast(0x80u | (static_cast(codepoint) & 0x3Fu))); - } - else - { - // 4-byte characters: 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx - add(static_cast(0xF0u | (static_cast(codepoint) >> 18u))); - add(static_cast(0x80u | ((static_cast(codepoint) >> 12u) & 0x3Fu))); - add(static_cast(0x80u | ((static_cast(codepoint) >> 6u) & 0x3Fu))); - add(static_cast(0x80u | (static_cast(codepoint) & 0x3Fu))); - } - - break; - } - - // other characters after escape - default: - error_message = "invalid string: forbidden character after backslash"; - return token_type::parse_error; - } - - break; - } - - // invalid control characters - case 0x00: - { - error_message = "invalid string: control character U+0000 (NUL) must be escaped to \\u0000"; - return token_type::parse_error; - } - - case 0x01: - { - error_message = "invalid string: control character U+0001 (SOH) must be escaped to \\u0001"; - return token_type::parse_error; - } - - case 0x02: - { - error_message = "invalid string: control character U+0002 (STX) must be escaped to \\u0002"; - return token_type::parse_error; - } - - case 0x03: - { - error_message = "invalid string: control character U+0003 (ETX) must be escaped to \\u0003"; - return token_type::parse_error; - } - - case 0x04: - { - error_message = "invalid string: control character U+0004 (EOT) must be escaped to \\u0004"; - return token_type::parse_error; - } - - case 0x05: - { - error_message = "invalid string: control character U+0005 (ENQ) must be escaped to \\u0005"; - return token_type::parse_error; - } - - case 0x06: - { - error_message = "invalid string: control character U+0006 (ACK) must be escaped to \\u0006"; - return token_type::parse_error; - } - - case 0x07: - { - error_message = "invalid string: control character U+0007 (BEL) must be escaped to \\u0007"; - return token_type::parse_error; - } - - case 0x08: - { - error_message = "invalid string: control character U+0008 (BS) must be escaped to \\u0008 or \\b"; - return token_type::parse_error; - } - - case 0x09: - { - error_message = "invalid string: control character U+0009 (HT) must be escaped to \\u0009 or \\t"; - return token_type::parse_error; - } - - case 0x0A: - { - error_message = "invalid string: control character U+000A (LF) must be escaped to \\u000A or \\n"; - return token_type::parse_error; - } - - case 0x0B: - { - error_message = "invalid string: control character U+000B (VT) must be escaped to \\u000B"; - return token_type::parse_error; - } - - case 0x0C: - { - error_message = "invalid string: control character U+000C (FF) must be escaped to \\u000C or \\f"; - return token_type::parse_error; - } - - case 0x0D: - { - error_message = "invalid string: control character U+000D (CR) must be escaped to \\u000D or \\r"; - return token_type::parse_error; - } - - case 0x0E: - { - error_message = "invalid string: control character U+000E (SO) must be escaped to \\u000E"; - return token_type::parse_error; - } - - case 0x0F: - { - error_message = "invalid string: control character U+000F (SI) must be escaped to \\u000F"; - return token_type::parse_error; - } - - case 0x10: - { - error_message = "invalid string: control character U+0010 (DLE) must be escaped to \\u0010"; - return token_type::parse_error; - } - - case 0x11: - { - error_message = "invalid string: control character U+0011 (DC1) must be escaped to \\u0011"; - return token_type::parse_error; - } - - case 0x12: - { - error_message = "invalid string: control character U+0012 (DC2) must be escaped to \\u0012"; - return token_type::parse_error; - } - - case 0x13: - { - error_message = "invalid string: control character U+0013 (DC3) must be escaped to \\u0013"; - return token_type::parse_error; - } - - case 0x14: - { - error_message = "invalid string: control character U+0014 (DC4) must be escaped to \\u0014"; - return token_type::parse_error; - } - - case 0x15: - { - error_message = "invalid string: control character U+0015 (NAK) must be escaped to \\u0015"; - return token_type::parse_error; - } - - case 0x16: - { - error_message = "invalid string: control character U+0016 (SYN) must be escaped to \\u0016"; - return token_type::parse_error; - } - - case 0x17: - { - error_message = "invalid string: control character U+0017 (ETB) must be escaped to \\u0017"; - return token_type::parse_error; - } - - case 0x18: - { - error_message = "invalid string: control character U+0018 (CAN) must be escaped to \\u0018"; - return token_type::parse_error; - } - - case 0x19: - { - error_message = "invalid string: control character U+0019 (EM) must be escaped to \\u0019"; - return token_type::parse_error; - } - - case 0x1A: - { - error_message = "invalid string: control character U+001A (SUB) must be escaped to \\u001A"; - return token_type::parse_error; - } - - case 0x1B: - { - error_message = "invalid string: control character U+001B (ESC) must be escaped to \\u001B"; - return token_type::parse_error; - } - - case 0x1C: - { - error_message = "invalid string: control character U+001C (FS) must be escaped to \\u001C"; - return token_type::parse_error; - } - - case 0x1D: - { - error_message = "invalid string: control character U+001D (GS) must be escaped to \\u001D"; - return token_type::parse_error; - } - - case 0x1E: - { - error_message = "invalid string: control character U+001E (RS) must be escaped to \\u001E"; - return token_type::parse_error; - } - - case 0x1F: - { - error_message = "invalid string: control character U+001F (US) must be escaped to \\u001F"; - return token_type::parse_error; - } - - // U+0020..U+007F (except U+0022 (quote) and U+005C (backspace)) - case 0x20: - case 0x21: - case 0x23: - case 0x24: - case 0x25: - case 0x26: - case 0x27: - case 0x28: - case 0x29: - case 0x2A: - case 0x2B: - case 0x2C: - case 0x2D: - case 0x2E: - case 0x2F: - case 0x30: - case 0x31: - case 0x32: - case 0x33: - case 0x34: - case 0x35: - case 0x36: - case 0x37: - case 0x38: - case 0x39: - case 0x3A: - case 0x3B: - case 0x3C: - case 0x3D: - case 0x3E: - case 0x3F: - case 0x40: - case 0x41: - case 0x42: - case 0x43: - case 0x44: - case 0x45: - case 0x46: - case 0x47: - case 0x48: - case 0x49: - case 0x4A: - case 0x4B: - case 0x4C: - case 0x4D: - case 0x4E: - case 0x4F: - case 0x50: - case 0x51: - case 0x52: - case 0x53: - case 0x54: - case 0x55: - case 0x56: - case 0x57: - case 0x58: - case 0x59: - case 0x5A: - case 0x5B: - case 0x5D: - case 0x5E: - case 0x5F: - case 0x60: - case 0x61: - case 0x62: - case 0x63: - case 0x64: - case 0x65: - case 0x66: - case 0x67: - case 0x68: - case 0x69: - case 0x6A: - case 0x6B: - case 0x6C: - case 0x6D: - case 0x6E: - case 0x6F: - case 0x70: - case 0x71: - case 0x72: - case 0x73: - case 0x74: - case 0x75: - case 0x76: - case 0x77: - case 0x78: - case 0x79: - case 0x7A: - case 0x7B: - case 0x7C: - case 0x7D: - case 0x7E: - case 0x7F: - { - add(current); - break; - } - - // U+0080..U+07FF: bytes C2..DF 80..BF - case 0xC2: - case 0xC3: - case 0xC4: - case 0xC5: - case 0xC6: - case 0xC7: - case 0xC8: - case 0xC9: - case 0xCA: - case 0xCB: - case 0xCC: - case 0xCD: - case 0xCE: - case 0xCF: - case 0xD0: - case 0xD1: - case 0xD2: - case 0xD3: - case 0xD4: - case 0xD5: - case 0xD6: - case 0xD7: - case 0xD8: - case 0xD9: - case 0xDA: - case 0xDB: - case 0xDC: - case 0xDD: - case 0xDE: - case 0xDF: - { - if (JSON_HEDLEY_UNLIKELY(!next_byte_in_range({0x80, 0xBF}))) - { - return token_type::parse_error; - } - break; - } - - // U+0800..U+0FFF: bytes E0 A0..BF 80..BF - case 0xE0: - { - if (JSON_HEDLEY_UNLIKELY(!(next_byte_in_range({0xA0, 0xBF, 0x80, 0xBF})))) - { - return token_type::parse_error; - } - break; - } - - // U+1000..U+CFFF: bytes E1..EC 80..BF 80..BF - // U+E000..U+FFFF: bytes EE..EF 80..BF 80..BF - case 0xE1: - case 0xE2: - case 0xE3: - case 0xE4: - case 0xE5: - case 0xE6: - case 0xE7: - case 0xE8: - case 0xE9: - case 0xEA: - case 0xEB: - case 0xEC: - case 0xEE: - case 0xEF: - { - if (JSON_HEDLEY_UNLIKELY(!(next_byte_in_range({0x80, 0xBF, 0x80, 0xBF})))) - { - return token_type::parse_error; - } - break; - } - - // U+D000..U+D7FF: bytes ED 80..9F 80..BF - case 0xED: - { - if (JSON_HEDLEY_UNLIKELY(!(next_byte_in_range({0x80, 0x9F, 0x80, 0xBF})))) - { - return token_type::parse_error; - } - break; - } - - // U+10000..U+3FFFF F0 90..BF 80..BF 80..BF - case 0xF0: - { - if (JSON_HEDLEY_UNLIKELY(!(next_byte_in_range({0x90, 0xBF, 0x80, 0xBF, 0x80, 0xBF})))) - { - return token_type::parse_error; - } - break; - } - - // U+40000..U+FFFFF F1..F3 80..BF 80..BF 80..BF - case 0xF1: - case 0xF2: - case 0xF3: - { - if (JSON_HEDLEY_UNLIKELY(!(next_byte_in_range({0x80, 0xBF, 0x80, 0xBF, 0x80, 0xBF})))) - { - return token_type::parse_error; - } - break; - } - - // U+100000..U+10FFFF F4 80..8F 80..BF 80..BF - case 0xF4: - { - if (JSON_HEDLEY_UNLIKELY(!(next_byte_in_range({0x80, 0x8F, 0x80, 0xBF, 0x80, 0xBF})))) - { - return token_type::parse_error; - } - break; - } - - // remaining bytes (80..C1 and F5..FF) are ill-formed - default: - { - error_message = "invalid string: ill-formed UTF-8 byte"; - return token_type::parse_error; - } - } - } - } - - /*! - * @brief scan a comment - * @return whether comment could be scanned successfully - */ - bool scan_comment() - { - switch (get()) - { - // single-line comments skip input until a newline or EOF is read - case '/': - { - while (true) - { - switch (get()) - { - case '\n': - case '\r': - case std::char_traits::eof(): - case '\0': - return true; - - default: - break; - } - } - } - - // multi-line comments skip input until */ is read - case '*': - { - while (true) - { - switch (get()) - { - case std::char_traits::eof(): - case '\0': - { - error_message = "invalid comment; missing closing '*/'"; - return false; - } - - case '*': - { - switch (get()) - { - case '/': - return true; - - default: - { - unget(); - continue; - } - } - } - - default: - continue; - } - } - } - - // unexpected character after reading '/' - default: - { - error_message = "invalid comment; expecting '/' or '*' after '/'"; - return false; - } - } - } - - JSON_HEDLEY_NON_NULL(2) - static void strtof(float& f, const char* str, char** endptr) noexcept - { - f = std::strtof(str, endptr); - } - - JSON_HEDLEY_NON_NULL(2) - static void strtof(double& f, const char* str, char** endptr) noexcept - { - f = std::strtod(str, endptr); - } - - JSON_HEDLEY_NON_NULL(2) - static void strtof(long double& f, const char* str, char** endptr) noexcept - { - f = std::strtold(str, endptr); - } - - /*! - @brief scan a number literal - - This function scans a string according to Sect. 6 of RFC 7159. - - The function is realized with a deterministic finite state machine derived - from the grammar described in RFC 7159. Starting in state "init", the - input is read and used to determined the next state. Only state "done" - accepts the number. State "error" is a trap state to model errors. In the - table below, "anything" means any character but the ones listed before. - - state | 0 | 1-9 | e E | + | - | . | anything - ---------|----------|----------|----------|---------|---------|----------|----------- - init | zero | any1 | [error] | [error] | minus | [error] | [error] - minus | zero | any1 | [error] | [error] | [error] | [error] | [error] - zero | done | done | exponent | done | done | decimal1 | done - any1 | any1 | any1 | exponent | done | done | decimal1 | done - decimal1 | decimal2 | decimal2 | [error] | [error] | [error] | [error] | [error] - decimal2 | decimal2 | decimal2 | exponent | done | done | done | done - exponent | any2 | any2 | [error] | sign | sign | [error] | [error] - sign | any2 | any2 | [error] | [error] | [error] | [error] | [error] - any2 | any2 | any2 | done | done | done | done | done - - The state machine is realized with one label per state (prefixed with - "scan_number_") and `goto` statements between them. The state machine - contains cycles, but any cycle can be left when EOF is read. Therefore, - the function is guaranteed to terminate. - - During scanning, the read bytes are stored in token_buffer. This string is - then converted to a signed integer, an unsigned integer, or a - floating-point number. - - @return token_type::value_unsigned, token_type::value_integer, or - token_type::value_float if number could be successfully scanned, - token_type::parse_error otherwise - - @note The scanner is independent of the current locale. Internally, the - locale's decimal point is used instead of `.` to work with the - locale-dependent converters. - */ - token_type scan_number() // lgtm [cpp/use-of-goto] - { - // reset token_buffer to store the number's bytes - reset(); - - // the type of the parsed number; initially set to unsigned; will be - // changed if minus sign, decimal point or exponent is read - token_type number_type = token_type::value_unsigned; - - // state (init): we just found out we need to scan a number - switch (current) - { - case '-': - { - add(current); - goto scan_number_minus; - } - - case '0': - { - add(current); - goto scan_number_zero; - } - - case '1': - case '2': - case '3': - case '4': - case '5': - case '6': - case '7': - case '8': - case '9': - { - add(current); - goto scan_number_any1; - } - - // all other characters are rejected outside scan_number() - default: // LCOV_EXCL_LINE - JSON_ASSERT(false); // LCOV_EXCL_LINE - } - -scan_number_minus: - // state: we just parsed a leading minus sign - number_type = token_type::value_integer; - switch (get()) - { - case '0': - { - add(current); - goto scan_number_zero; - } - - case '1': - case '2': - case '3': - case '4': - case '5': - case '6': - case '7': - case '8': - case '9': - { - add(current); - goto scan_number_any1; - } - - default: - { - error_message = "invalid number; expected digit after '-'"; - return token_type::parse_error; - } - } - -scan_number_zero: - // state: we just parse a zero (maybe with a leading minus sign) - switch (get()) - { - case '.': - { - add(decimal_point_char); - goto scan_number_decimal1; - } - - case 'e': - case 'E': - { - add(current); - goto scan_number_exponent; - } - - default: - goto scan_number_done; - } - -scan_number_any1: - // state: we just parsed a number 0-9 (maybe with a leading minus sign) - switch (get()) - { - case '0': - case '1': - case '2': - case '3': - case '4': - case '5': - case '6': - case '7': - case '8': - case '9': - { - add(current); - goto scan_number_any1; - } - - case '.': - { - add(decimal_point_char); - goto scan_number_decimal1; - } - - case 'e': - case 'E': - { - add(current); - goto scan_number_exponent; - } - - default: - goto scan_number_done; - } - -scan_number_decimal1: - // state: we just parsed a decimal point - number_type = token_type::value_float; - switch (get()) - { - case '0': - case '1': - case '2': - case '3': - case '4': - case '5': - case '6': - case '7': - case '8': - case '9': - { - add(current); - goto scan_number_decimal2; - } - - default: - { - error_message = "invalid number; expected digit after '.'"; - return token_type::parse_error; - } - } - -scan_number_decimal2: - // we just parsed at least one number after a decimal point - switch (get()) - { - case '0': - case '1': - case '2': - case '3': - case '4': - case '5': - case '6': - case '7': - case '8': - case '9': - { - add(current); - goto scan_number_decimal2; - } - - case 'e': - case 'E': - { - add(current); - goto scan_number_exponent; - } - - default: - goto scan_number_done; - } - -scan_number_exponent: - // we just parsed an exponent - number_type = token_type::value_float; - switch (get()) - { - case '+': - case '-': - { - add(current); - goto scan_number_sign; - } - - case '0': - case '1': - case '2': - case '3': - case '4': - case '5': - case '6': - case '7': - case '8': - case '9': - { - add(current); - goto scan_number_any2; - } - - default: - { - error_message = - "invalid number; expected '+', '-', or digit after exponent"; - return token_type::parse_error; - } - } - -scan_number_sign: - // we just parsed an exponent sign - switch (get()) - { - case '0': - case '1': - case '2': - case '3': - case '4': - case '5': - case '6': - case '7': - case '8': - case '9': - { - add(current); - goto scan_number_any2; - } - - default: - { - error_message = "invalid number; expected digit after exponent sign"; - return token_type::parse_error; - } - } - -scan_number_any2: - // we just parsed a number after the exponent or exponent sign - switch (get()) - { - case '0': - case '1': - case '2': - case '3': - case '4': - case '5': - case '6': - case '7': - case '8': - case '9': - { - add(current); - goto scan_number_any2; - } - - default: - goto scan_number_done; - } - -scan_number_done: - // unget the character after the number (we only read it to know that - // we are done scanning a number) - unget(); - - char* endptr = nullptr; - errno = 0; - - // try to parse integers first and fall back to floats - if (number_type == token_type::value_unsigned) - { - const auto x = std::strtoull(token_buffer.data(), &endptr, 10); - - // we checked the number format before - JSON_ASSERT(endptr == token_buffer.data() + token_buffer.size()); - - if (errno == 0) - { - value_unsigned = static_cast(x); - if (value_unsigned == x) - { - return token_type::value_unsigned; - } - } - } - else if (number_type == token_type::value_integer) - { - const auto x = std::strtoll(token_buffer.data(), &endptr, 10); - - // we checked the number format before - JSON_ASSERT(endptr == token_buffer.data() + token_buffer.size()); - - if (errno == 0) - { - value_integer = static_cast(x); - if (value_integer == x) - { - return token_type::value_integer; - } - } - } - - // this code is reached if we parse a floating-point number or if an - // integer conversion above failed - strtof(value_float, token_buffer.data(), &endptr); - - // we checked the number format before - JSON_ASSERT(endptr == token_buffer.data() + token_buffer.size()); - - return token_type::value_float; - } - - /*! - @param[in] literal_text the literal text to expect - @param[in] length the length of the passed literal text - @param[in] return_type the token type to return on success - */ - JSON_HEDLEY_NON_NULL(2) - token_type scan_literal(const char_type* literal_text, const std::size_t length, - token_type return_type) - { - JSON_ASSERT(std::char_traits::to_char_type(current) == literal_text[0]); - for (std::size_t i = 1; i < length; ++i) - { - if (JSON_HEDLEY_UNLIKELY(std::char_traits::to_char_type(get()) != literal_text[i])) - { - error_message = "invalid literal"; - return token_type::parse_error; - } - } - return return_type; - } - - ///////////////////// - // input management - ///////////////////// - - /// reset token_buffer; current character is beginning of token - void reset() noexcept - { - token_buffer.clear(); - token_string.clear(); - token_string.push_back(std::char_traits::to_char_type(current)); - } - - /* - @brief get next character from the input - - This function provides the interface to the used input adapter. It does - not throw in case the input reached EOF, but returns a - `std::char_traits::eof()` in that case. Stores the scanned characters - for use in error messages. - - @return character read from the input - */ - char_int_type get() - { - ++position.chars_read_total; - ++position.chars_read_current_line; - - if (next_unget) - { - // just reset the next_unget variable and work with current - next_unget = false; - } - else - { - current = ia.get_character(); - } - - if (JSON_HEDLEY_LIKELY(current != std::char_traits::eof())) - { - token_string.push_back(std::char_traits::to_char_type(current)); - } - - if (current == '\n') - { - ++position.lines_read; - position.chars_read_current_line = 0; - } - - return current; - } - - /*! - @brief unget current character (read it again on next get) - - We implement unget by setting variable next_unget to true. The input is not - changed - we just simulate ungetting by modifying chars_read_total, - chars_read_current_line, and token_string. The next call to get() will - behave as if the unget character is read again. - */ - void unget() - { - next_unget = true; - - --position.chars_read_total; - - // in case we "unget" a newline, we have to also decrement the lines_read - if (position.chars_read_current_line == 0) - { - if (position.lines_read > 0) - { - --position.lines_read; - } - } - else - { - --position.chars_read_current_line; - } - - if (JSON_HEDLEY_LIKELY(current != std::char_traits::eof())) - { - JSON_ASSERT(!token_string.empty()); - token_string.pop_back(); - } - } - - /// add a character to token_buffer - void add(char_int_type c) - { - token_buffer.push_back(static_cast(c)); - } - - public: - ///////////////////// - // value getters - ///////////////////// - - /// return integer value - constexpr number_integer_t get_number_integer() const noexcept - { - return value_integer; - } - - /// return unsigned integer value - constexpr number_unsigned_t get_number_unsigned() const noexcept - { - return value_unsigned; - } - - /// return floating-point value - constexpr number_float_t get_number_float() const noexcept - { - return value_float; - } - - /// return current string value (implicitly resets the token; useful only once) - string_t& get_string() - { - return token_buffer; - } - - ///////////////////// - // diagnostics - ///////////////////// - - /// return position of last read token - constexpr position_t get_position() const noexcept - { - return position; - } - - /// return the last read token (for errors only). Will never contain EOF - /// (an arbitrary value that is not a valid char value, often -1), because - /// 255 may legitimately occur. May contain NUL, which should be escaped. - std::string get_token_string() const - { - // escape control characters - std::string result; - for (const auto c : token_string) - { - if (static_cast(c) <= '\x1F') - { - // escape control characters - std::array cs{{}}; - (std::snprintf)(cs.data(), cs.size(), "", static_cast(c)); - result += cs.data(); - } - else - { - // add character as is - result.push_back(static_cast(c)); - } - } - - return result; - } - - /// return syntax error message - JSON_HEDLEY_RETURNS_NON_NULL - constexpr const char* get_error_message() const noexcept - { - return error_message; - } - - ///////////////////// - // actual scanner - ///////////////////// - - /*! - @brief skip the UTF-8 byte order mark - @return true iff there is no BOM or the correct BOM has been skipped - */ - bool skip_bom() - { - if (get() == 0xEF) - { - // check if we completely parse the BOM - return get() == 0xBB && get() == 0xBF; - } - - // the first character is not the beginning of the BOM; unget it to - // process is later - unget(); - return true; - } - - void skip_whitespace() - { - do - { - get(); - } - while (current == ' ' || current == '\t' || current == '\n' || current == '\r'); - } - - token_type scan() - { - // initially, skip the BOM - if (position.chars_read_total == 0 && !skip_bom()) - { - error_message = "invalid BOM; must be 0xEF 0xBB 0xBF if given"; - return token_type::parse_error; - } - - // read next character and ignore whitespace - skip_whitespace(); - - // ignore comments - while (ignore_comments && current == '/') - { - if (!scan_comment()) - { - return token_type::parse_error; - } - - // skip following whitespace - skip_whitespace(); - } - - switch (current) - { - // structural characters - case '[': - return token_type::begin_array; - case ']': - return token_type::end_array; - case '{': - return token_type::begin_object; - case '}': - return token_type::end_object; - case ':': - return token_type::name_separator; - case ',': - return token_type::value_separator; - - // literals - case 't': - { - std::array true_literal = {{'t', 'r', 'u', 'e'}}; - return scan_literal(true_literal.data(), true_literal.size(), token_type::literal_true); - } - case 'f': - { - std::array false_literal = {{'f', 'a', 'l', 's', 'e'}}; - return scan_literal(false_literal.data(), false_literal.size(), token_type::literal_false); - } - case 'n': - { - std::array null_literal = {{'n', 'u', 'l', 'l'}}; - return scan_literal(null_literal.data(), null_literal.size(), token_type::literal_null); - } - - // string - case '\"': - return scan_string(); - - // number - case '-': - case '0': - case '1': - case '2': - case '3': - case '4': - case '5': - case '6': - case '7': - case '8': - case '9': - return scan_number(); - - // end of input (the null byte is needed when parsing from - // string literals) - case '\0': - case std::char_traits::eof(): - return token_type::end_of_input; - - // error - default: - error_message = "invalid literal"; - return token_type::parse_error; - } - } - - private: - /// input adapter - InputAdapterType ia; - - /// whether comments should be ignored (true) or signaled as errors (false) - const bool ignore_comments = false; - - /// the current character - char_int_type current = std::char_traits::eof(); - - /// whether the next get() call should just return current - bool next_unget = false; - - /// the start position of the current token - position_t position {}; - - /// raw input token string (for error messages) - std::vector token_string {}; - - /// buffer for variable-length tokens (numbers, strings) - string_t token_buffer {}; - - /// a description of occurred lexer errors - const char* error_message = ""; - - // number values - number_integer_t value_integer = 0; - number_unsigned_t value_unsigned = 0; - number_float_t value_float = 0; - - /// the decimal point - const char_int_type decimal_point_char = '.'; -}; -} // namespace detail -} // namespace nlohmann - -// #include - -// #include - - -#include // size_t -#include // declval -#include // string - -// #include - -// #include - - -namespace nlohmann -{ -namespace detail -{ -template -using null_function_t = decltype(std::declval().null()); - -template -using boolean_function_t = - decltype(std::declval().boolean(std::declval())); - -template -using number_integer_function_t = - decltype(std::declval().number_integer(std::declval())); - -template -using number_unsigned_function_t = - decltype(std::declval().number_unsigned(std::declval())); - -template -using number_float_function_t = decltype(std::declval().number_float( - std::declval(), std::declval())); - -template -using string_function_t = - decltype(std::declval().string(std::declval())); - -template -using binary_function_t = - decltype(std::declval().binary(std::declval())); - -template -using start_object_function_t = - decltype(std::declval().start_object(std::declval())); - -template -using key_function_t = - decltype(std::declval().key(std::declval())); - -template -using end_object_function_t = decltype(std::declval().end_object()); - -template -using start_array_function_t = - decltype(std::declval().start_array(std::declval())); - -template -using end_array_function_t = decltype(std::declval().end_array()); - -template -using parse_error_function_t = decltype(std::declval().parse_error( - std::declval(), std::declval(), - std::declval())); - -template -struct is_sax -{ - private: - static_assert(is_basic_json::value, - "BasicJsonType must be of type basic_json<...>"); - - using number_integer_t = typename BasicJsonType::number_integer_t; - using number_unsigned_t = typename BasicJsonType::number_unsigned_t; - using number_float_t = typename BasicJsonType::number_float_t; - using string_t = typename BasicJsonType::string_t; - using binary_t = typename BasicJsonType::binary_t; - using exception_t = typename BasicJsonType::exception; - - public: - static constexpr bool value = - is_detected_exact::value && - is_detected_exact::value && - is_detected_exact::value && - is_detected_exact::value && - is_detected_exact::value && - is_detected_exact::value && - is_detected_exact::value && - is_detected_exact::value && - is_detected_exact::value && - is_detected_exact::value && - is_detected_exact::value && - is_detected_exact::value && - is_detected_exact::value; -}; - -template -struct is_sax_static_asserts -{ - private: - static_assert(is_basic_json::value, - "BasicJsonType must be of type basic_json<...>"); - - using number_integer_t = typename BasicJsonType::number_integer_t; - using number_unsigned_t = typename BasicJsonType::number_unsigned_t; - using number_float_t = typename BasicJsonType::number_float_t; - using string_t = typename BasicJsonType::string_t; - using binary_t = typename BasicJsonType::binary_t; - using exception_t = typename BasicJsonType::exception; - - public: - static_assert(is_detected_exact::value, - "Missing/invalid function: bool null()"); - static_assert(is_detected_exact::value, - "Missing/invalid function: bool boolean(bool)"); - static_assert(is_detected_exact::value, - "Missing/invalid function: bool boolean(bool)"); - static_assert( - is_detected_exact::value, - "Missing/invalid function: bool number_integer(number_integer_t)"); - static_assert( - is_detected_exact::value, - "Missing/invalid function: bool number_unsigned(number_unsigned_t)"); - static_assert(is_detected_exact::value, - "Missing/invalid function: bool number_float(number_float_t, const string_t&)"); - static_assert( - is_detected_exact::value, - "Missing/invalid function: bool string(string_t&)"); - static_assert( - is_detected_exact::value, - "Missing/invalid function: bool binary(binary_t&)"); - static_assert(is_detected_exact::value, - "Missing/invalid function: bool start_object(std::size_t)"); - static_assert(is_detected_exact::value, - "Missing/invalid function: bool key(string_t&)"); - static_assert(is_detected_exact::value, - "Missing/invalid function: bool end_object()"); - static_assert(is_detected_exact::value, - "Missing/invalid function: bool start_array(std::size_t)"); - static_assert(is_detected_exact::value, - "Missing/invalid function: bool end_array()"); - static_assert( - is_detected_exact::value, - "Missing/invalid function: bool parse_error(std::size_t, const " - "std::string&, const exception&)"); -}; -} // namespace detail -} // namespace nlohmann - -// #include - - -namespace nlohmann -{ -namespace detail -{ - -/// how to treat CBOR tags -enum class cbor_tag_handler_t -{ - error, ///< throw a parse_error exception in case of a tag - ignore ///< ignore tags -}; - -/*! -@brief determine system byte order - -@return true if and only if system's byte order is little endian - -@note from https://stackoverflow.com/a/1001328/266378 -*/ -static inline bool little_endianess(int num = 1) noexcept -{ - return *reinterpret_cast(&num) == 1; -} - - -/////////////////// -// binary reader // -/////////////////// - -/*! -@brief deserialization of CBOR, MessagePack, and UBJSON values -*/ -template> -class binary_reader -{ - using number_integer_t = typename BasicJsonType::number_integer_t; - using number_unsigned_t = typename BasicJsonType::number_unsigned_t; - using number_float_t = typename BasicJsonType::number_float_t; - using string_t = typename BasicJsonType::string_t; - using binary_t = typename BasicJsonType::binary_t; - using json_sax_t = SAX; - using char_type = typename InputAdapterType::char_type; - using char_int_type = typename std::char_traits::int_type; - - public: - /*! - @brief create a binary reader - - @param[in] adapter input adapter to read from - */ - explicit binary_reader(InputAdapterType&& adapter) : ia(std::move(adapter)) - { - (void)detail::is_sax_static_asserts {}; - } - - // make class move-only - binary_reader(const binary_reader&) = delete; - binary_reader(binary_reader&&) = default; - binary_reader& operator=(const binary_reader&) = delete; - binary_reader& operator=(binary_reader&&) = default; - ~binary_reader() = default; - - /*! - @param[in] format the binary format to parse - @param[in] sax_ a SAX event processor - @param[in] strict whether to expect the input to be consumed completed - @param[in] tag_handler how to treat CBOR tags - - @return - */ - JSON_HEDLEY_NON_NULL(3) - bool sax_parse(const input_format_t format, - json_sax_t* sax_, - const bool strict = true, - const cbor_tag_handler_t tag_handler = cbor_tag_handler_t::error) - { - sax = sax_; - bool result = false; - - switch (format) - { - case input_format_t::bson: - result = parse_bson_internal(); - break; - - case input_format_t::cbor: - result = parse_cbor_internal(true, tag_handler); - break; - - case input_format_t::msgpack: - result = parse_msgpack_internal(); - break; - - case input_format_t::ubjson: - result = parse_ubjson_internal(); - break; - - default: // LCOV_EXCL_LINE - JSON_ASSERT(false); // LCOV_EXCL_LINE - } - - // strict mode: next byte must be EOF - if (result && strict) - { - if (format == input_format_t::ubjson) - { - get_ignore_noop(); - } - else - { - get(); - } - - if (JSON_HEDLEY_UNLIKELY(current != std::char_traits::eof())) - { - return sax->parse_error(chars_read, get_token_string(), - parse_error::create(110, chars_read, exception_message(format, "expected end of input; last byte: 0x" + get_token_string(), "value"))); - } - } - - return result; - } - - private: - ////////// - // BSON // - ////////// - - /*! - @brief Reads in a BSON-object and passes it to the SAX-parser. - @return whether a valid BSON-value was passed to the SAX parser - */ - bool parse_bson_internal() - { - std::int32_t document_size{}; - get_number(input_format_t::bson, document_size); - - if (JSON_HEDLEY_UNLIKELY(!sax->start_object(std::size_t(-1)))) - { - return false; - } - - if (JSON_HEDLEY_UNLIKELY(!parse_bson_element_list(/*is_array*/false))) - { - return false; - } - - return sax->end_object(); - } - - /*! - @brief Parses a C-style string from the BSON input. - @param[in, out] result A reference to the string variable where the read - string is to be stored. - @return `true` if the \x00-byte indicating the end of the string was - encountered before the EOF; false` indicates an unexpected EOF. - */ - bool get_bson_cstr(string_t& result) - { - auto out = std::back_inserter(result); - while (true) - { - get(); - if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::bson, "cstring"))) - { - return false; - } - if (current == 0x00) - { - return true; - } - *out++ = static_cast(current); - } - } - - /*! - @brief Parses a zero-terminated string of length @a len from the BSON - input. - @param[in] len The length (including the zero-byte at the end) of the - string to be read. - @param[in, out] result A reference to the string variable where the read - string is to be stored. - @tparam NumberType The type of the length @a len - @pre len >= 1 - @return `true` if the string was successfully parsed - */ - template - bool get_bson_string(const NumberType len, string_t& result) - { - if (JSON_HEDLEY_UNLIKELY(len < 1)) - { - auto last_token = get_token_string(); - return sax->parse_error(chars_read, last_token, parse_error::create(112, chars_read, exception_message(input_format_t::bson, "string length must be at least 1, is " + std::to_string(len), "string"))); - } - - return get_string(input_format_t::bson, len - static_cast(1), result) && get() != std::char_traits::eof(); - } - - /*! - @brief Parses a byte array input of length @a len from the BSON input. - @param[in] len The length of the byte array to be read. - @param[in, out] result A reference to the binary variable where the read - array is to be stored. - @tparam NumberType The type of the length @a len - @pre len >= 0 - @return `true` if the byte array was successfully parsed - */ - template - bool get_bson_binary(const NumberType len, binary_t& result) - { - if (JSON_HEDLEY_UNLIKELY(len < 0)) - { - auto last_token = get_token_string(); - return sax->parse_error(chars_read, last_token, parse_error::create(112, chars_read, exception_message(input_format_t::bson, "byte array length cannot be negative, is " + std::to_string(len), "binary"))); - } - - // All BSON binary values have a subtype - std::uint8_t subtype{}; - get_number(input_format_t::bson, subtype); - result.set_subtype(subtype); - - return get_binary(input_format_t::bson, len, result); - } - - /*! - @brief Read a BSON document element of the given @a element_type. - @param[in] element_type The BSON element type, c.f. http://bsonspec.org/spec.html - @param[in] element_type_parse_position The position in the input stream, - where the `element_type` was read. - @warning Not all BSON element types are supported yet. An unsupported - @a element_type will give rise to a parse_error.114: - Unsupported BSON record type 0x... - @return whether a valid BSON-object/array was passed to the SAX parser - */ - bool parse_bson_element_internal(const char_int_type element_type, - const std::size_t element_type_parse_position) - { - switch (element_type) - { - case 0x01: // double - { - double number{}; - return get_number(input_format_t::bson, number) && sax->number_float(static_cast(number), ""); - } - - case 0x02: // string - { - std::int32_t len{}; - string_t value; - return get_number(input_format_t::bson, len) && get_bson_string(len, value) && sax->string(value); - } - - case 0x03: // object - { - return parse_bson_internal(); - } - - case 0x04: // array - { - return parse_bson_array(); - } - - case 0x05: // binary - { - std::int32_t len{}; - binary_t value; - return get_number(input_format_t::bson, len) && get_bson_binary(len, value) && sax->binary(value); - } - - case 0x08: // boolean - { - return sax->boolean(get() != 0); - } - - case 0x0A: // null - { - return sax->null(); - } - - case 0x10: // int32 - { - std::int32_t value{}; - return get_number(input_format_t::bson, value) && sax->number_integer(value); - } - - case 0x12: // int64 - { - std::int64_t value{}; - return get_number(input_format_t::bson, value) && sax->number_integer(value); - } - - default: // anything else not supported (yet) - { - std::array cr{{}}; - (std::snprintf)(cr.data(), cr.size(), "%.2hhX", static_cast(element_type)); - return sax->parse_error(element_type_parse_position, std::string(cr.data()), parse_error::create(114, element_type_parse_position, "Unsupported BSON record type 0x" + std::string(cr.data()))); - } - } - } - - /*! - @brief Read a BSON element list (as specified in the BSON-spec) - - The same binary layout is used for objects and arrays, hence it must be - indicated with the argument @a is_array which one is expected - (true --> array, false --> object). - - @param[in] is_array Determines if the element list being read is to be - treated as an object (@a is_array == false), or as an - array (@a is_array == true). - @return whether a valid BSON-object/array was passed to the SAX parser - */ - bool parse_bson_element_list(const bool is_array) - { - string_t key; - - while (auto element_type = get()) - { - if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::bson, "element list"))) - { - return false; - } - - const std::size_t element_type_parse_position = chars_read; - if (JSON_HEDLEY_UNLIKELY(!get_bson_cstr(key))) - { - return false; - } - - if (!is_array && !sax->key(key)) - { - return false; - } - - if (JSON_HEDLEY_UNLIKELY(!parse_bson_element_internal(element_type, element_type_parse_position))) - { - return false; - } - - // get_bson_cstr only appends - key.clear(); - } - - return true; - } - - /*! - @brief Reads an array from the BSON input and passes it to the SAX-parser. - @return whether a valid BSON-array was passed to the SAX parser - */ - bool parse_bson_array() - { - std::int32_t document_size{}; - get_number(input_format_t::bson, document_size); - - if (JSON_HEDLEY_UNLIKELY(!sax->start_array(std::size_t(-1)))) - { - return false; - } - - if (JSON_HEDLEY_UNLIKELY(!parse_bson_element_list(/*is_array*/true))) - { - return false; - } - - return sax->end_array(); - } - - ////////// - // CBOR // - ////////// - - /*! - @param[in] get_char whether a new character should be retrieved from the - input (true) or whether the last read character should - be considered instead (false) - @param[in] tag_handler how CBOR tags should be treated - - @return whether a valid CBOR value was passed to the SAX parser - */ - bool parse_cbor_internal(const bool get_char, - const cbor_tag_handler_t tag_handler) - { - switch (get_char ? get() : current) - { - // EOF - case std::char_traits::eof(): - return unexpect_eof(input_format_t::cbor, "value"); - - // Integer 0x00..0x17 (0..23) - case 0x00: - case 0x01: - case 0x02: - case 0x03: - case 0x04: - case 0x05: - case 0x06: - case 0x07: - case 0x08: - case 0x09: - case 0x0A: - case 0x0B: - case 0x0C: - case 0x0D: - case 0x0E: - case 0x0F: - case 0x10: - case 0x11: - case 0x12: - case 0x13: - case 0x14: - case 0x15: - case 0x16: - case 0x17: - return sax->number_unsigned(static_cast(current)); - - case 0x18: // Unsigned integer (one-byte uint8_t follows) - { - std::uint8_t number{}; - return get_number(input_format_t::cbor, number) && sax->number_unsigned(number); - } - - case 0x19: // Unsigned integer (two-byte uint16_t follows) - { - std::uint16_t number{}; - return get_number(input_format_t::cbor, number) && sax->number_unsigned(number); - } - - case 0x1A: // Unsigned integer (four-byte uint32_t follows) - { - std::uint32_t number{}; - return get_number(input_format_t::cbor, number) && sax->number_unsigned(number); - } - - case 0x1B: // Unsigned integer (eight-byte uint64_t follows) - { - std::uint64_t number{}; - return get_number(input_format_t::cbor, number) && sax->number_unsigned(number); - } - - // Negative integer -1-0x00..-1-0x17 (-1..-24) - case 0x20: - case 0x21: - case 0x22: - case 0x23: - case 0x24: - case 0x25: - case 0x26: - case 0x27: - case 0x28: - case 0x29: - case 0x2A: - case 0x2B: - case 0x2C: - case 0x2D: - case 0x2E: - case 0x2F: - case 0x30: - case 0x31: - case 0x32: - case 0x33: - case 0x34: - case 0x35: - case 0x36: - case 0x37: - return sax->number_integer(static_cast(0x20 - 1 - current)); - - case 0x38: // Negative integer (one-byte uint8_t follows) - { - std::uint8_t number{}; - return get_number(input_format_t::cbor, number) && sax->number_integer(static_cast(-1) - number); - } - - case 0x39: // Negative integer -1-n (two-byte uint16_t follows) - { - std::uint16_t number{}; - return get_number(input_format_t::cbor, number) && sax->number_integer(static_cast(-1) - number); - } - - case 0x3A: // Negative integer -1-n (four-byte uint32_t follows) - { - std::uint32_t number{}; - return get_number(input_format_t::cbor, number) && sax->number_integer(static_cast(-1) - number); - } - - case 0x3B: // Negative integer -1-n (eight-byte uint64_t follows) - { - std::uint64_t number{}; - return get_number(input_format_t::cbor, number) && sax->number_integer(static_cast(-1) - - static_cast(number)); - } - - // Binary data (0x00..0x17 bytes follow) - case 0x40: - case 0x41: - case 0x42: - case 0x43: - case 0x44: - case 0x45: - case 0x46: - case 0x47: - case 0x48: - case 0x49: - case 0x4A: - case 0x4B: - case 0x4C: - case 0x4D: - case 0x4E: - case 0x4F: - case 0x50: - case 0x51: - case 0x52: - case 0x53: - case 0x54: - case 0x55: - case 0x56: - case 0x57: - case 0x58: // Binary data (one-byte uint8_t for n follows) - case 0x59: // Binary data (two-byte uint16_t for n follow) - case 0x5A: // Binary data (four-byte uint32_t for n follow) - case 0x5B: // Binary data (eight-byte uint64_t for n follow) - case 0x5F: // Binary data (indefinite length) - { - binary_t b; - return get_cbor_binary(b) && sax->binary(b); - } - - // UTF-8 string (0x00..0x17 bytes follow) - case 0x60: - case 0x61: - case 0x62: - case 0x63: - case 0x64: - case 0x65: - case 0x66: - case 0x67: - case 0x68: - case 0x69: - case 0x6A: - case 0x6B: - case 0x6C: - case 0x6D: - case 0x6E: - case 0x6F: - case 0x70: - case 0x71: - case 0x72: - case 0x73: - case 0x74: - case 0x75: - case 0x76: - case 0x77: - case 0x78: // UTF-8 string (one-byte uint8_t for n follows) - case 0x79: // UTF-8 string (two-byte uint16_t for n follow) - case 0x7A: // UTF-8 string (four-byte uint32_t for n follow) - case 0x7B: // UTF-8 string (eight-byte uint64_t for n follow) - case 0x7F: // UTF-8 string (indefinite length) - { - string_t s; - return get_cbor_string(s) && sax->string(s); - } - - // array (0x00..0x17 data items follow) - case 0x80: - case 0x81: - case 0x82: - case 0x83: - case 0x84: - case 0x85: - case 0x86: - case 0x87: - case 0x88: - case 0x89: - case 0x8A: - case 0x8B: - case 0x8C: - case 0x8D: - case 0x8E: - case 0x8F: - case 0x90: - case 0x91: - case 0x92: - case 0x93: - case 0x94: - case 0x95: - case 0x96: - case 0x97: - return get_cbor_array(static_cast(static_cast(current) & 0x1Fu), tag_handler); - - case 0x98: // array (one-byte uint8_t for n follows) - { - std::uint8_t len{}; - return get_number(input_format_t::cbor, len) && get_cbor_array(static_cast(len), tag_handler); - } - - case 0x99: // array (two-byte uint16_t for n follow) - { - std::uint16_t len{}; - return get_number(input_format_t::cbor, len) && get_cbor_array(static_cast(len), tag_handler); - } - - case 0x9A: // array (four-byte uint32_t for n follow) - { - std::uint32_t len{}; - return get_number(input_format_t::cbor, len) && get_cbor_array(static_cast(len), tag_handler); - } - - case 0x9B: // array (eight-byte uint64_t for n follow) - { - std::uint64_t len{}; - return get_number(input_format_t::cbor, len) && get_cbor_array(static_cast(len), tag_handler); - } - - case 0x9F: // array (indefinite length) - return get_cbor_array(std::size_t(-1), tag_handler); - - // map (0x00..0x17 pairs of data items follow) - case 0xA0: - case 0xA1: - case 0xA2: - case 0xA3: - case 0xA4: - case 0xA5: - case 0xA6: - case 0xA7: - case 0xA8: - case 0xA9: - case 0xAA: - case 0xAB: - case 0xAC: - case 0xAD: - case 0xAE: - case 0xAF: - case 0xB0: - case 0xB1: - case 0xB2: - case 0xB3: - case 0xB4: - case 0xB5: - case 0xB6: - case 0xB7: - return get_cbor_object(static_cast(static_cast(current) & 0x1Fu), tag_handler); - - case 0xB8: // map (one-byte uint8_t for n follows) - { - std::uint8_t len{}; - return get_number(input_format_t::cbor, len) && get_cbor_object(static_cast(len), tag_handler); - } - - case 0xB9: // map (two-byte uint16_t for n follow) - { - std::uint16_t len{}; - return get_number(input_format_t::cbor, len) && get_cbor_object(static_cast(len), tag_handler); - } - - case 0xBA: // map (four-byte uint32_t for n follow) - { - std::uint32_t len{}; - return get_number(input_format_t::cbor, len) && get_cbor_object(static_cast(len), tag_handler); - } - - case 0xBB: // map (eight-byte uint64_t for n follow) - { - std::uint64_t len{}; - return get_number(input_format_t::cbor, len) && get_cbor_object(static_cast(len), tag_handler); - } - - case 0xBF: // map (indefinite length) - return get_cbor_object(std::size_t(-1), tag_handler); - - case 0xC6: // tagged item - case 0xC7: - case 0xC8: - case 0xC9: - case 0xCA: - case 0xCB: - case 0xCC: - case 0xCD: - case 0xCE: - case 0xCF: - case 0xD0: - case 0xD1: - case 0xD2: - case 0xD3: - case 0xD4: - case 0xD8: // tagged item (1 bytes follow) - case 0xD9: // tagged item (2 bytes follow) - case 0xDA: // tagged item (4 bytes follow) - case 0xDB: // tagged item (8 bytes follow) - { - switch (tag_handler) - { - case cbor_tag_handler_t::error: - { - auto last_token = get_token_string(); - return sax->parse_error(chars_read, last_token, parse_error::create(112, chars_read, exception_message(input_format_t::cbor, "invalid byte: 0x" + last_token, "value"))); - } - - case cbor_tag_handler_t::ignore: - { - switch (current) - { - case 0xD8: - { - std::uint8_t len{}; - get_number(input_format_t::cbor, len); - break; - } - case 0xD9: - { - std::uint16_t len{}; - get_number(input_format_t::cbor, len); - break; - } - case 0xDA: - { - std::uint32_t len{}; - get_number(input_format_t::cbor, len); - break; - } - case 0xDB: - { - std::uint64_t len{}; - get_number(input_format_t::cbor, len); - break; - } - default: - break; - } - return parse_cbor_internal(true, tag_handler); - } - - default: // LCOV_EXCL_LINE - JSON_ASSERT(false); // LCOV_EXCL_LINE - } - } - - case 0xF4: // false - return sax->boolean(false); - - case 0xF5: // true - return sax->boolean(true); - - case 0xF6: // null - return sax->null(); - - case 0xF9: // Half-Precision Float (two-byte IEEE 754) - { - const auto byte1_raw = get(); - if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::cbor, "number"))) - { - return false; - } - const auto byte2_raw = get(); - if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::cbor, "number"))) - { - return false; - } - - const auto byte1 = static_cast(byte1_raw); - const auto byte2 = static_cast(byte2_raw); - - // code from RFC 7049, Appendix D, Figure 3: - // As half-precision floating-point numbers were only added - // to IEEE 754 in 2008, today's programming platforms often - // still only have limited support for them. It is very - // easy to include at least decoding support for them even - // without such support. An example of a small decoder for - // half-precision floating-point numbers in the C language - // is shown in Fig. 3. - const auto half = static_cast((byte1 << 8u) + byte2); - const double val = [&half] - { - const int exp = (half >> 10u) & 0x1Fu; - const unsigned int mant = half & 0x3FFu; - JSON_ASSERT(0 <= exp&& exp <= 32); - JSON_ASSERT(mant <= 1024); - switch (exp) - { - case 0: - return std::ldexp(mant, -24); - case 31: - return (mant == 0) - ? std::numeric_limits::infinity() - : std::numeric_limits::quiet_NaN(); - default: - return std::ldexp(mant + 1024, exp - 25); - } - }(); - return sax->number_float((half & 0x8000u) != 0 - ? static_cast(-val) - : static_cast(val), ""); - } - - case 0xFA: // Single-Precision Float (four-byte IEEE 754) - { - float number{}; - return get_number(input_format_t::cbor, number) && sax->number_float(static_cast(number), ""); - } - - case 0xFB: // Double-Precision Float (eight-byte IEEE 754) - { - double number{}; - return get_number(input_format_t::cbor, number) && sax->number_float(static_cast(number), ""); - } - - default: // anything else (0xFF is handled inside the other types) - { - auto last_token = get_token_string(); - return sax->parse_error(chars_read, last_token, parse_error::create(112, chars_read, exception_message(input_format_t::cbor, "invalid byte: 0x" + last_token, "value"))); - } - } - } - - /*! - @brief reads a CBOR string - - This function first reads starting bytes to determine the expected - string length and then copies this number of bytes into a string. - Additionally, CBOR's strings with indefinite lengths are supported. - - @param[out] result created string - - @return whether string creation completed - */ - bool get_cbor_string(string_t& result) - { - if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::cbor, "string"))) - { - return false; - } - - switch (current) - { - // UTF-8 string (0x00..0x17 bytes follow) - case 0x60: - case 0x61: - case 0x62: - case 0x63: - case 0x64: - case 0x65: - case 0x66: - case 0x67: - case 0x68: - case 0x69: - case 0x6A: - case 0x6B: - case 0x6C: - case 0x6D: - case 0x6E: - case 0x6F: - case 0x70: - case 0x71: - case 0x72: - case 0x73: - case 0x74: - case 0x75: - case 0x76: - case 0x77: - { - return get_string(input_format_t::cbor, static_cast(current) & 0x1Fu, result); - } - - case 0x78: // UTF-8 string (one-byte uint8_t for n follows) - { - std::uint8_t len{}; - return get_number(input_format_t::cbor, len) && get_string(input_format_t::cbor, len, result); - } - - case 0x79: // UTF-8 string (two-byte uint16_t for n follow) - { - std::uint16_t len{}; - return get_number(input_format_t::cbor, len) && get_string(input_format_t::cbor, len, result); - } - - case 0x7A: // UTF-8 string (four-byte uint32_t for n follow) - { - std::uint32_t len{}; - return get_number(input_format_t::cbor, len) && get_string(input_format_t::cbor, len, result); - } - - case 0x7B: // UTF-8 string (eight-byte uint64_t for n follow) - { - std::uint64_t len{}; - return get_number(input_format_t::cbor, len) && get_string(input_format_t::cbor, len, result); - } - - case 0x7F: // UTF-8 string (indefinite length) - { - while (get() != 0xFF) - { - string_t chunk; - if (!get_cbor_string(chunk)) - { - return false; - } - result.append(chunk); - } - return true; - } - - default: - { - auto last_token = get_token_string(); - return sax->parse_error(chars_read, last_token, parse_error::create(113, chars_read, exception_message(input_format_t::cbor, "expected length specification (0x60-0x7B) or indefinite string type (0x7F); last byte: 0x" + last_token, "string"))); - } - } - } - - /*! - @brief reads a CBOR byte array - - This function first reads starting bytes to determine the expected - byte array length and then copies this number of bytes into the byte array. - Additionally, CBOR's byte arrays with indefinite lengths are supported. - - @param[out] result created byte array - - @return whether byte array creation completed - */ - bool get_cbor_binary(binary_t& result) - { - if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::cbor, "binary"))) - { - return false; - } - - switch (current) - { - // Binary data (0x00..0x17 bytes follow) - case 0x40: - case 0x41: - case 0x42: - case 0x43: - case 0x44: - case 0x45: - case 0x46: - case 0x47: - case 0x48: - case 0x49: - case 0x4A: - case 0x4B: - case 0x4C: - case 0x4D: - case 0x4E: - case 0x4F: - case 0x50: - case 0x51: - case 0x52: - case 0x53: - case 0x54: - case 0x55: - case 0x56: - case 0x57: - { - return get_binary(input_format_t::cbor, static_cast(current) & 0x1Fu, result); - } - - case 0x58: // Binary data (one-byte uint8_t for n follows) - { - std::uint8_t len{}; - return get_number(input_format_t::cbor, len) && - get_binary(input_format_t::cbor, len, result); - } - - case 0x59: // Binary data (two-byte uint16_t for n follow) - { - std::uint16_t len{}; - return get_number(input_format_t::cbor, len) && - get_binary(input_format_t::cbor, len, result); - } - - case 0x5A: // Binary data (four-byte uint32_t for n follow) - { - std::uint32_t len{}; - return get_number(input_format_t::cbor, len) && - get_binary(input_format_t::cbor, len, result); - } - - case 0x5B: // Binary data (eight-byte uint64_t for n follow) - { - std::uint64_t len{}; - return get_number(input_format_t::cbor, len) && - get_binary(input_format_t::cbor, len, result); - } - - case 0x5F: // Binary data (indefinite length) - { - while (get() != 0xFF) - { - binary_t chunk; - if (!get_cbor_binary(chunk)) - { - return false; - } - result.insert(result.end(), chunk.begin(), chunk.end()); - } - return true; - } - - default: - { - auto last_token = get_token_string(); - return sax->parse_error(chars_read, last_token, parse_error::create(113, chars_read, exception_message(input_format_t::cbor, "expected length specification (0x40-0x5B) or indefinite binary array type (0x5F); last byte: 0x" + last_token, "binary"))); - } - } - } - - /*! - @param[in] len the length of the array or std::size_t(-1) for an - array of indefinite size - @param[in] tag_handler how CBOR tags should be treated - @return whether array creation completed - */ - bool get_cbor_array(const std::size_t len, - const cbor_tag_handler_t tag_handler) - { - if (JSON_HEDLEY_UNLIKELY(!sax->start_array(len))) - { - return false; - } - - if (len != std::size_t(-1)) - { - for (std::size_t i = 0; i < len; ++i) - { - if (JSON_HEDLEY_UNLIKELY(!parse_cbor_internal(true, tag_handler))) - { - return false; - } - } - } - else - { - while (get() != 0xFF) - { - if (JSON_HEDLEY_UNLIKELY(!parse_cbor_internal(false, tag_handler))) - { - return false; - } - } - } - - return sax->end_array(); - } - - /*! - @param[in] len the length of the object or std::size_t(-1) for an - object of indefinite size - @param[in] tag_handler how CBOR tags should be treated - @return whether object creation completed - */ - bool get_cbor_object(const std::size_t len, - const cbor_tag_handler_t tag_handler) - { - if (JSON_HEDLEY_UNLIKELY(!sax->start_object(len))) - { - return false; - } - - string_t key; - if (len != std::size_t(-1)) - { - for (std::size_t i = 0; i < len; ++i) - { - get(); - if (JSON_HEDLEY_UNLIKELY(!get_cbor_string(key) || !sax->key(key))) - { - return false; - } - - if (JSON_HEDLEY_UNLIKELY(!parse_cbor_internal(true, tag_handler))) - { - return false; - } - key.clear(); - } - } - else - { - while (get() != 0xFF) - { - if (JSON_HEDLEY_UNLIKELY(!get_cbor_string(key) || !sax->key(key))) - { - return false; - } - - if (JSON_HEDLEY_UNLIKELY(!parse_cbor_internal(true, tag_handler))) - { - return false; - } - key.clear(); - } - } - - return sax->end_object(); - } - - ///////////// - // MsgPack // - ///////////// - - /*! - @return whether a valid MessagePack value was passed to the SAX parser - */ - bool parse_msgpack_internal() - { - switch (get()) - { - // EOF - case std::char_traits::eof(): - return unexpect_eof(input_format_t::msgpack, "value"); - - // positive fixint - case 0x00: - case 0x01: - case 0x02: - case 0x03: - case 0x04: - case 0x05: - case 0x06: - case 0x07: - case 0x08: - case 0x09: - case 0x0A: - case 0x0B: - case 0x0C: - case 0x0D: - case 0x0E: - case 0x0F: - case 0x10: - case 0x11: - case 0x12: - case 0x13: - case 0x14: - case 0x15: - case 0x16: - case 0x17: - case 0x18: - case 0x19: - case 0x1A: - case 0x1B: - case 0x1C: - case 0x1D: - case 0x1E: - case 0x1F: - case 0x20: - case 0x21: - case 0x22: - case 0x23: - case 0x24: - case 0x25: - case 0x26: - case 0x27: - case 0x28: - case 0x29: - case 0x2A: - case 0x2B: - case 0x2C: - case 0x2D: - case 0x2E: - case 0x2F: - case 0x30: - case 0x31: - case 0x32: - case 0x33: - case 0x34: - case 0x35: - case 0x36: - case 0x37: - case 0x38: - case 0x39: - case 0x3A: - case 0x3B: - case 0x3C: - case 0x3D: - case 0x3E: - case 0x3F: - case 0x40: - case 0x41: - case 0x42: - case 0x43: - case 0x44: - case 0x45: - case 0x46: - case 0x47: - case 0x48: - case 0x49: - case 0x4A: - case 0x4B: - case 0x4C: - case 0x4D: - case 0x4E: - case 0x4F: - case 0x50: - case 0x51: - case 0x52: - case 0x53: - case 0x54: - case 0x55: - case 0x56: - case 0x57: - case 0x58: - case 0x59: - case 0x5A: - case 0x5B: - case 0x5C: - case 0x5D: - case 0x5E: - case 0x5F: - case 0x60: - case 0x61: - case 0x62: - case 0x63: - case 0x64: - case 0x65: - case 0x66: - case 0x67: - case 0x68: - case 0x69: - case 0x6A: - case 0x6B: - case 0x6C: - case 0x6D: - case 0x6E: - case 0x6F: - case 0x70: - case 0x71: - case 0x72: - case 0x73: - case 0x74: - case 0x75: - case 0x76: - case 0x77: - case 0x78: - case 0x79: - case 0x7A: - case 0x7B: - case 0x7C: - case 0x7D: - case 0x7E: - case 0x7F: - return sax->number_unsigned(static_cast(current)); - - // fixmap - case 0x80: - case 0x81: - case 0x82: - case 0x83: - case 0x84: - case 0x85: - case 0x86: - case 0x87: - case 0x88: - case 0x89: - case 0x8A: - case 0x8B: - case 0x8C: - case 0x8D: - case 0x8E: - case 0x8F: - return get_msgpack_object(static_cast(static_cast(current) & 0x0Fu)); - - // fixarray - case 0x90: - case 0x91: - case 0x92: - case 0x93: - case 0x94: - case 0x95: - case 0x96: - case 0x97: - case 0x98: - case 0x99: - case 0x9A: - case 0x9B: - case 0x9C: - case 0x9D: - case 0x9E: - case 0x9F: - return get_msgpack_array(static_cast(static_cast(current) & 0x0Fu)); - - // fixstr - case 0xA0: - case 0xA1: - case 0xA2: - case 0xA3: - case 0xA4: - case 0xA5: - case 0xA6: - case 0xA7: - case 0xA8: - case 0xA9: - case 0xAA: - case 0xAB: - case 0xAC: - case 0xAD: - case 0xAE: - case 0xAF: - case 0xB0: - case 0xB1: - case 0xB2: - case 0xB3: - case 0xB4: - case 0xB5: - case 0xB6: - case 0xB7: - case 0xB8: - case 0xB9: - case 0xBA: - case 0xBB: - case 0xBC: - case 0xBD: - case 0xBE: - case 0xBF: - case 0xD9: // str 8 - case 0xDA: // str 16 - case 0xDB: // str 32 - { - string_t s; - return get_msgpack_string(s) && sax->string(s); - } - - case 0xC0: // nil - return sax->null(); - - case 0xC2: // false - return sax->boolean(false); - - case 0xC3: // true - return sax->boolean(true); - - case 0xC4: // bin 8 - case 0xC5: // bin 16 - case 0xC6: // bin 32 - case 0xC7: // ext 8 - case 0xC8: // ext 16 - case 0xC9: // ext 32 - case 0xD4: // fixext 1 - case 0xD5: // fixext 2 - case 0xD6: // fixext 4 - case 0xD7: // fixext 8 - case 0xD8: // fixext 16 - { - binary_t b; - return get_msgpack_binary(b) && sax->binary(b); - } - - case 0xCA: // float 32 - { - float number{}; - return get_number(input_format_t::msgpack, number) && sax->number_float(static_cast(number), ""); - } - - case 0xCB: // float 64 - { - double number{}; - return get_number(input_format_t::msgpack, number) && sax->number_float(static_cast(number), ""); - } - - case 0xCC: // uint 8 - { - std::uint8_t number{}; - return get_number(input_format_t::msgpack, number) && sax->number_unsigned(number); - } - - case 0xCD: // uint 16 - { - std::uint16_t number{}; - return get_number(input_format_t::msgpack, number) && sax->number_unsigned(number); - } - - case 0xCE: // uint 32 - { - std::uint32_t number{}; - return get_number(input_format_t::msgpack, number) && sax->number_unsigned(number); - } - - case 0xCF: // uint 64 - { - std::uint64_t number{}; - return get_number(input_format_t::msgpack, number) && sax->number_unsigned(number); - } - - case 0xD0: // int 8 - { - std::int8_t number{}; - return get_number(input_format_t::msgpack, number) && sax->number_integer(number); - } - - case 0xD1: // int 16 - { - std::int16_t number{}; - return get_number(input_format_t::msgpack, number) && sax->number_integer(number); - } - - case 0xD2: // int 32 - { - std::int32_t number{}; - return get_number(input_format_t::msgpack, number) && sax->number_integer(number); - } - - case 0xD3: // int 64 - { - std::int64_t number{}; - return get_number(input_format_t::msgpack, number) && sax->number_integer(number); - } - - case 0xDC: // array 16 - { - std::uint16_t len{}; - return get_number(input_format_t::msgpack, len) && get_msgpack_array(static_cast(len)); - } - - case 0xDD: // array 32 - { - std::uint32_t len{}; - return get_number(input_format_t::msgpack, len) && get_msgpack_array(static_cast(len)); - } - - case 0xDE: // map 16 - { - std::uint16_t len{}; - return get_number(input_format_t::msgpack, len) && get_msgpack_object(static_cast(len)); - } - - case 0xDF: // map 32 - { - std::uint32_t len{}; - return get_number(input_format_t::msgpack, len) && get_msgpack_object(static_cast(len)); - } - - // negative fixint - case 0xE0: - case 0xE1: - case 0xE2: - case 0xE3: - case 0xE4: - case 0xE5: - case 0xE6: - case 0xE7: - case 0xE8: - case 0xE9: - case 0xEA: - case 0xEB: - case 0xEC: - case 0xED: - case 0xEE: - case 0xEF: - case 0xF0: - case 0xF1: - case 0xF2: - case 0xF3: - case 0xF4: - case 0xF5: - case 0xF6: - case 0xF7: - case 0xF8: - case 0xF9: - case 0xFA: - case 0xFB: - case 0xFC: - case 0xFD: - case 0xFE: - case 0xFF: - return sax->number_integer(static_cast(current)); - - default: // anything else - { - auto last_token = get_token_string(); - return sax->parse_error(chars_read, last_token, parse_error::create(112, chars_read, exception_message(input_format_t::msgpack, "invalid byte: 0x" + last_token, "value"))); - } - } - } - - /*! - @brief reads a MessagePack string - - This function first reads starting bytes to determine the expected - string length and then copies this number of bytes into a string. - - @param[out] result created string - - @return whether string creation completed - */ - bool get_msgpack_string(string_t& result) - { - if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::msgpack, "string"))) - { - return false; - } - - switch (current) - { - // fixstr - case 0xA0: - case 0xA1: - case 0xA2: - case 0xA3: - case 0xA4: - case 0xA5: - case 0xA6: - case 0xA7: - case 0xA8: - case 0xA9: - case 0xAA: - case 0xAB: - case 0xAC: - case 0xAD: - case 0xAE: - case 0xAF: - case 0xB0: - case 0xB1: - case 0xB2: - case 0xB3: - case 0xB4: - case 0xB5: - case 0xB6: - case 0xB7: - case 0xB8: - case 0xB9: - case 0xBA: - case 0xBB: - case 0xBC: - case 0xBD: - case 0xBE: - case 0xBF: - { - return get_string(input_format_t::msgpack, static_cast(current) & 0x1Fu, result); - } - - case 0xD9: // str 8 - { - std::uint8_t len{}; - return get_number(input_format_t::msgpack, len) && get_string(input_format_t::msgpack, len, result); - } - - case 0xDA: // str 16 - { - std::uint16_t len{}; - return get_number(input_format_t::msgpack, len) && get_string(input_format_t::msgpack, len, result); - } - - case 0xDB: // str 32 - { - std::uint32_t len{}; - return get_number(input_format_t::msgpack, len) && get_string(input_format_t::msgpack, len, result); - } - - default: - { - auto last_token = get_token_string(); - return sax->parse_error(chars_read, last_token, parse_error::create(113, chars_read, exception_message(input_format_t::msgpack, "expected length specification (0xA0-0xBF, 0xD9-0xDB); last byte: 0x" + last_token, "string"))); - } - } - } - - /*! - @brief reads a MessagePack byte array - - This function first reads starting bytes to determine the expected - byte array length and then copies this number of bytes into a byte array. - - @param[out] result created byte array - - @return whether byte array creation completed - */ - bool get_msgpack_binary(binary_t& result) - { - // helper function to set the subtype - auto assign_and_return_true = [&result](std::int8_t subtype) - { - result.set_subtype(static_cast(subtype)); - return true; - }; - - switch (current) - { - case 0xC4: // bin 8 - { - std::uint8_t len{}; - return get_number(input_format_t::msgpack, len) && - get_binary(input_format_t::msgpack, len, result); - } - - case 0xC5: // bin 16 - { - std::uint16_t len{}; - return get_number(input_format_t::msgpack, len) && - get_binary(input_format_t::msgpack, len, result); - } - - case 0xC6: // bin 32 - { - std::uint32_t len{}; - return get_number(input_format_t::msgpack, len) && - get_binary(input_format_t::msgpack, len, result); - } - - case 0xC7: // ext 8 - { - std::uint8_t len{}; - std::int8_t subtype{}; - return get_number(input_format_t::msgpack, len) && - get_number(input_format_t::msgpack, subtype) && - get_binary(input_format_t::msgpack, len, result) && - assign_and_return_true(subtype); - } - - case 0xC8: // ext 16 - { - std::uint16_t len{}; - std::int8_t subtype{}; - return get_number(input_format_t::msgpack, len) && - get_number(input_format_t::msgpack, subtype) && - get_binary(input_format_t::msgpack, len, result) && - assign_and_return_true(subtype); - } - - case 0xC9: // ext 32 - { - std::uint32_t len{}; - std::int8_t subtype{}; - return get_number(input_format_t::msgpack, len) && - get_number(input_format_t::msgpack, subtype) && - get_binary(input_format_t::msgpack, len, result) && - assign_and_return_true(subtype); - } - - case 0xD4: // fixext 1 - { - std::int8_t subtype{}; - return get_number(input_format_t::msgpack, subtype) && - get_binary(input_format_t::msgpack, 1, result) && - assign_and_return_true(subtype); - } - - case 0xD5: // fixext 2 - { - std::int8_t subtype{}; - return get_number(input_format_t::msgpack, subtype) && - get_binary(input_format_t::msgpack, 2, result) && - assign_and_return_true(subtype); - } - - case 0xD6: // fixext 4 - { - std::int8_t subtype{}; - return get_number(input_format_t::msgpack, subtype) && - get_binary(input_format_t::msgpack, 4, result) && - assign_and_return_true(subtype); - } - - case 0xD7: // fixext 8 - { - std::int8_t subtype{}; - return get_number(input_format_t::msgpack, subtype) && - get_binary(input_format_t::msgpack, 8, result) && - assign_and_return_true(subtype); - } - - case 0xD8: // fixext 16 - { - std::int8_t subtype{}; - return get_number(input_format_t::msgpack, subtype) && - get_binary(input_format_t::msgpack, 16, result) && - assign_and_return_true(subtype); - } - - default: // LCOV_EXCL_LINE - return false; // LCOV_EXCL_LINE - } - } - - /*! - @param[in] len the length of the array - @return whether array creation completed - */ - bool get_msgpack_array(const std::size_t len) - { - if (JSON_HEDLEY_UNLIKELY(!sax->start_array(len))) - { - return false; - } - - for (std::size_t i = 0; i < len; ++i) - { - if (JSON_HEDLEY_UNLIKELY(!parse_msgpack_internal())) - { - return false; - } - } - - return sax->end_array(); - } - - /*! - @param[in] len the length of the object - @return whether object creation completed - */ - bool get_msgpack_object(const std::size_t len) - { - if (JSON_HEDLEY_UNLIKELY(!sax->start_object(len))) - { - return false; - } - - string_t key; - for (std::size_t i = 0; i < len; ++i) - { - get(); - if (JSON_HEDLEY_UNLIKELY(!get_msgpack_string(key) || !sax->key(key))) - { - return false; - } - - if (JSON_HEDLEY_UNLIKELY(!parse_msgpack_internal())) - { - return false; - } - key.clear(); - } - - return sax->end_object(); - } - - //////////// - // UBJSON // - //////////// - - /*! - @param[in] get_char whether a new character should be retrieved from the - input (true, default) or whether the last read - character should be considered instead - - @return whether a valid UBJSON value was passed to the SAX parser - */ - bool parse_ubjson_internal(const bool get_char = true) - { - return get_ubjson_value(get_char ? get_ignore_noop() : current); - } - - /*! - @brief reads a UBJSON string - - This function is either called after reading the 'S' byte explicitly - indicating a string, or in case of an object key where the 'S' byte can be - left out. - - @param[out] result created string - @param[in] get_char whether a new character should be retrieved from the - input (true, default) or whether the last read - character should be considered instead - - @return whether string creation completed - */ - bool get_ubjson_string(string_t& result, const bool get_char = true) - { - if (get_char) - { - get(); // TODO(niels): may we ignore N here? - } - - if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::ubjson, "value"))) - { - return false; - } - - switch (current) - { - case 'U': - { - std::uint8_t len{}; - return get_number(input_format_t::ubjson, len) && get_string(input_format_t::ubjson, len, result); - } - - case 'i': - { - std::int8_t len{}; - return get_number(input_format_t::ubjson, len) && get_string(input_format_t::ubjson, len, result); - } - - case 'I': - { - std::int16_t len{}; - return get_number(input_format_t::ubjson, len) && get_string(input_format_t::ubjson, len, result); - } - - case 'l': - { - std::int32_t len{}; - return get_number(input_format_t::ubjson, len) && get_string(input_format_t::ubjson, len, result); - } - - case 'L': - { - std::int64_t len{}; - return get_number(input_format_t::ubjson, len) && get_string(input_format_t::ubjson, len, result); - } - - default: - auto last_token = get_token_string(); - return sax->parse_error(chars_read, last_token, parse_error::create(113, chars_read, exception_message(input_format_t::ubjson, "expected length type specification (U, i, I, l, L); last byte: 0x" + last_token, "string"))); - } - } - - /*! - @param[out] result determined size - @return whether size determination completed - */ - bool get_ubjson_size_value(std::size_t& result) - { - switch (get_ignore_noop()) - { - case 'U': - { - std::uint8_t number{}; - if (JSON_HEDLEY_UNLIKELY(!get_number(input_format_t::ubjson, number))) - { - return false; - } - result = static_cast(number); - return true; - } - - case 'i': - { - std::int8_t number{}; - if (JSON_HEDLEY_UNLIKELY(!get_number(input_format_t::ubjson, number))) - { - return false; - } - result = static_cast(number); - return true; - } - - case 'I': - { - std::int16_t number{}; - if (JSON_HEDLEY_UNLIKELY(!get_number(input_format_t::ubjson, number))) - { - return false; - } - result = static_cast(number); - return true; - } - - case 'l': - { - std::int32_t number{}; - if (JSON_HEDLEY_UNLIKELY(!get_number(input_format_t::ubjson, number))) - { - return false; - } - result = static_cast(number); - return true; - } - - case 'L': - { - std::int64_t number{}; - if (JSON_HEDLEY_UNLIKELY(!get_number(input_format_t::ubjson, number))) - { - return false; - } - result = static_cast(number); - return true; - } - - default: - { - auto last_token = get_token_string(); - return sax->parse_error(chars_read, last_token, parse_error::create(113, chars_read, exception_message(input_format_t::ubjson, "expected length type specification (U, i, I, l, L) after '#'; last byte: 0x" + last_token, "size"))); - } - } - } - - /*! - @brief determine the type and size for a container - - In the optimized UBJSON format, a type and a size can be provided to allow - for a more compact representation. - - @param[out] result pair of the size and the type - - @return whether pair creation completed - */ - bool get_ubjson_size_type(std::pair& result) - { - result.first = string_t::npos; // size - result.second = 0; // type - - get_ignore_noop(); - - if (current == '$') - { - result.second = get(); // must not ignore 'N', because 'N' maybe the type - if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::ubjson, "type"))) - { - return false; - } - - get_ignore_noop(); - if (JSON_HEDLEY_UNLIKELY(current != '#')) - { - if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::ubjson, "value"))) - { - return false; - } - auto last_token = get_token_string(); - return sax->parse_error(chars_read, last_token, parse_error::create(112, chars_read, exception_message(input_format_t::ubjson, "expected '#' after type information; last byte: 0x" + last_token, "size"))); - } - - return get_ubjson_size_value(result.first); - } - - if (current == '#') - { - return get_ubjson_size_value(result.first); - } - - return true; - } - - /*! - @param prefix the previously read or set type prefix - @return whether value creation completed - */ - bool get_ubjson_value(const char_int_type prefix) - { - switch (prefix) - { - case std::char_traits::eof(): // EOF - return unexpect_eof(input_format_t::ubjson, "value"); - - case 'T': // true - return sax->boolean(true); - case 'F': // false - return sax->boolean(false); - - case 'Z': // null - return sax->null(); - - case 'U': - { - std::uint8_t number{}; - return get_number(input_format_t::ubjson, number) && sax->number_unsigned(number); - } - - case 'i': - { - std::int8_t number{}; - return get_number(input_format_t::ubjson, number) && sax->number_integer(number); - } - - case 'I': - { - std::int16_t number{}; - return get_number(input_format_t::ubjson, number) && sax->number_integer(number); - } - - case 'l': - { - std::int32_t number{}; - return get_number(input_format_t::ubjson, number) && sax->number_integer(number); - } - - case 'L': - { - std::int64_t number{}; - return get_number(input_format_t::ubjson, number) && sax->number_integer(number); - } - - case 'd': - { - float number{}; - return get_number(input_format_t::ubjson, number) && sax->number_float(static_cast(number), ""); - } - - case 'D': - { - double number{}; - return get_number(input_format_t::ubjson, number) && sax->number_float(static_cast(number), ""); - } - - case 'H': - { - return get_ubjson_high_precision_number(); - } - - case 'C': // char - { - get(); - if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::ubjson, "char"))) - { - return false; - } - if (JSON_HEDLEY_UNLIKELY(current > 127)) - { - auto last_token = get_token_string(); - return sax->parse_error(chars_read, last_token, parse_error::create(113, chars_read, exception_message(input_format_t::ubjson, "byte after 'C' must be in range 0x00..0x7F; last byte: 0x" + last_token, "char"))); - } - string_t s(1, static_cast(current)); - return sax->string(s); - } - - case 'S': // string - { - string_t s; - return get_ubjson_string(s) && sax->string(s); - } - - case '[': // array - return get_ubjson_array(); - - case '{': // object - return get_ubjson_object(); - - default: // anything else - { - auto last_token = get_token_string(); - return sax->parse_error(chars_read, last_token, parse_error::create(112, chars_read, exception_message(input_format_t::ubjson, "invalid byte: 0x" + last_token, "value"))); - } - } - } - - /*! - @return whether array creation completed - */ - bool get_ubjson_array() - { - std::pair size_and_type; - if (JSON_HEDLEY_UNLIKELY(!get_ubjson_size_type(size_and_type))) - { - return false; - } - - if (size_and_type.first != string_t::npos) - { - if (JSON_HEDLEY_UNLIKELY(!sax->start_array(size_and_type.first))) - { - return false; - } - - if (size_and_type.second != 0) - { - if (size_and_type.second != 'N') - { - for (std::size_t i = 0; i < size_and_type.first; ++i) - { - if (JSON_HEDLEY_UNLIKELY(!get_ubjson_value(size_and_type.second))) - { - return false; - } - } - } - } - else - { - for (std::size_t i = 0; i < size_and_type.first; ++i) - { - if (JSON_HEDLEY_UNLIKELY(!parse_ubjson_internal())) - { - return false; - } - } - } - } - else - { - if (JSON_HEDLEY_UNLIKELY(!sax->start_array(std::size_t(-1)))) - { - return false; - } - - while (current != ']') - { - if (JSON_HEDLEY_UNLIKELY(!parse_ubjson_internal(false))) - { - return false; - } - get_ignore_noop(); - } - } - - return sax->end_array(); - } - - /*! - @return whether object creation completed - */ - bool get_ubjson_object() - { - std::pair size_and_type; - if (JSON_HEDLEY_UNLIKELY(!get_ubjson_size_type(size_and_type))) - { - return false; - } - - string_t key; - if (size_and_type.first != string_t::npos) - { - if (JSON_HEDLEY_UNLIKELY(!sax->start_object(size_and_type.first))) - { - return false; - } - - if (size_and_type.second != 0) - { - for (std::size_t i = 0; i < size_and_type.first; ++i) - { - if (JSON_HEDLEY_UNLIKELY(!get_ubjson_string(key) || !sax->key(key))) - { - return false; - } - if (JSON_HEDLEY_UNLIKELY(!get_ubjson_value(size_and_type.second))) - { - return false; - } - key.clear(); - } - } - else - { - for (std::size_t i = 0; i < size_and_type.first; ++i) - { - if (JSON_HEDLEY_UNLIKELY(!get_ubjson_string(key) || !sax->key(key))) - { - return false; - } - if (JSON_HEDLEY_UNLIKELY(!parse_ubjson_internal())) - { - return false; - } - key.clear(); - } - } - } - else - { - if (JSON_HEDLEY_UNLIKELY(!sax->start_object(std::size_t(-1)))) - { - return false; - } - - while (current != '}') - { - if (JSON_HEDLEY_UNLIKELY(!get_ubjson_string(key, false) || !sax->key(key))) - { - return false; - } - if (JSON_HEDLEY_UNLIKELY(!parse_ubjson_internal())) - { - return false; - } - get_ignore_noop(); - key.clear(); - } - } - - return sax->end_object(); - } - - // Note, no reader for UBJSON binary types is implemented because they do - // not exist - - bool get_ubjson_high_precision_number() - { - // get size of following number string - std::size_t size{}; - auto res = get_ubjson_size_value(size); - if (JSON_HEDLEY_UNLIKELY(!res)) - { - return res; - } - - // get number string - std::vector number_vector; - for (std::size_t i = 0; i < size; ++i) - { - get(); - if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::ubjson, "number"))) - { - return false; - } - number_vector.push_back(static_cast(current)); - } - - // parse number string - auto number_ia = detail::input_adapter(std::forward(number_vector)); - auto number_lexer = detail::lexer(std::move(number_ia), false); - const auto result_number = number_lexer.scan(); - const auto number_string = number_lexer.get_token_string(); - const auto result_remainder = number_lexer.scan(); - - using token_type = typename detail::lexer_base::token_type; - - if (JSON_HEDLEY_UNLIKELY(result_remainder != token_type::end_of_input)) - { - return sax->parse_error(chars_read, number_string, parse_error::create(115, chars_read, exception_message(input_format_t::ubjson, "invalid number text: " + number_lexer.get_token_string(), "high-precision number"))); - } - - switch (result_number) - { - case token_type::value_integer: - return sax->number_integer(number_lexer.get_number_integer()); - case token_type::value_unsigned: - return sax->number_unsigned(number_lexer.get_number_unsigned()); - case token_type::value_float: - return sax->number_float(number_lexer.get_number_float(), std::move(number_string)); - default: - return sax->parse_error(chars_read, number_string, parse_error::create(115, chars_read, exception_message(input_format_t::ubjson, "invalid number text: " + number_lexer.get_token_string(), "high-precision number"))); - } - } - - /////////////////////// - // Utility functions // - /////////////////////// - - /*! - @brief get next character from the input - - This function provides the interface to the used input adapter. It does - not throw in case the input reached EOF, but returns a -'ve valued - `std::char_traits::eof()` in that case. - - @return character read from the input - */ - char_int_type get() - { - ++chars_read; - return current = ia.get_character(); - } - - /*! - @return character read from the input after ignoring all 'N' entries - */ - char_int_type get_ignore_noop() - { - do - { - get(); - } - while (current == 'N'); - - return current; - } - - /* - @brief read a number from the input - - @tparam NumberType the type of the number - @param[in] format the current format (for diagnostics) - @param[out] result number of type @a NumberType - - @return whether conversion completed - - @note This function needs to respect the system's endianess, because - bytes in CBOR, MessagePack, and UBJSON are stored in network order - (big endian) and therefore need reordering on little endian systems. - */ - template - bool get_number(const input_format_t format, NumberType& result) - { - // step 1: read input into array with system's byte order - std::array vec; - for (std::size_t i = 0; i < sizeof(NumberType); ++i) - { - get(); - if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(format, "number"))) - { - return false; - } - - // reverse byte order prior to conversion if necessary - if (is_little_endian != InputIsLittleEndian) - { - vec[sizeof(NumberType) - i - 1] = static_cast(current); - } - else - { - vec[i] = static_cast(current); // LCOV_EXCL_LINE - } - } - - // step 2: convert array into number of type T and return - std::memcpy(&result, vec.data(), sizeof(NumberType)); - return true; - } - - /*! - @brief create a string by reading characters from the input - - @tparam NumberType the type of the number - @param[in] format the current format (for diagnostics) - @param[in] len number of characters to read - @param[out] result string created by reading @a len bytes - - @return whether string creation completed - - @note We can not reserve @a len bytes for the result, because @a len - may be too large. Usually, @ref unexpect_eof() detects the end of - the input before we run out of string memory. - */ - template - bool get_string(const input_format_t format, - const NumberType len, - string_t& result) - { - bool success = true; - for (NumberType i = 0; i < len; i++) - { - get(); - if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(format, "string"))) - { - success = false; - break; - } - result.push_back(static_cast(current)); - }; - return success; - } - - /*! - @brief create a byte array by reading bytes from the input - - @tparam NumberType the type of the number - @param[in] format the current format (for diagnostics) - @param[in] len number of bytes to read - @param[out] result byte array created by reading @a len bytes - - @return whether byte array creation completed - - @note We can not reserve @a len bytes for the result, because @a len - may be too large. Usually, @ref unexpect_eof() detects the end of - the input before we run out of memory. - */ - template - bool get_binary(const input_format_t format, - const NumberType len, - binary_t& result) - { - bool success = true; - for (NumberType i = 0; i < len; i++) - { - get(); - if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(format, "binary"))) - { - success = false; - break; - } - result.push_back(static_cast(current)); - } - return success; - } - - /*! - @param[in] format the current format (for diagnostics) - @param[in] context further context information (for diagnostics) - @return whether the last read character is not EOF - */ - JSON_HEDLEY_NON_NULL(3) - bool unexpect_eof(const input_format_t format, const char* context) const - { - if (JSON_HEDLEY_UNLIKELY(current == std::char_traits::eof())) - { - return sax->parse_error(chars_read, "", - parse_error::create(110, chars_read, exception_message(format, "unexpected end of input", context))); - } - return true; - } - - /*! - @return a string representation of the last read byte - */ - std::string get_token_string() const - { - std::array cr{{}}; - (std::snprintf)(cr.data(), cr.size(), "%.2hhX", static_cast(current)); - return std::string{cr.data()}; - } - - /*! - @param[in] format the current format - @param[in] detail a detailed error message - @param[in] context further context information - @return a message string to use in the parse_error exceptions - */ - std::string exception_message(const input_format_t format, - const std::string& detail, - const std::string& context) const - { - std::string error_msg = "syntax error while parsing "; - - switch (format) - { - case input_format_t::cbor: - error_msg += "CBOR"; - break; - - case input_format_t::msgpack: - error_msg += "MessagePack"; - break; - - case input_format_t::ubjson: - error_msg += "UBJSON"; - break; - - case input_format_t::bson: - error_msg += "BSON"; - break; - - default: // LCOV_EXCL_LINE - JSON_ASSERT(false); // LCOV_EXCL_LINE - } - - return error_msg + " " + context + ": " + detail; - } - - private: - /// input adapter - InputAdapterType ia; - - /// the current character - char_int_type current = std::char_traits::eof(); - - /// the number of characters read - std::size_t chars_read = 0; - - /// whether we can assume little endianess - const bool is_little_endian = little_endianess(); - - /// the SAX parser - json_sax_t* sax = nullptr; -}; -} // namespace detail -} // namespace nlohmann - -// #include - -// #include - -// #include - - -#include // isfinite -#include // uint8_t -#include // function -#include // string -#include // move -#include // vector - -// #include - -// #include - -// #include - -// #include - -// #include - -// #include - -// #include - - -namespace nlohmann -{ -namespace detail -{ -//////////// -// parser // -//////////// - -enum class parse_event_t : uint8_t -{ - /// the parser read `{` and started to process a JSON object - object_start, - /// the parser read `}` and finished processing a JSON object - object_end, - /// the parser read `[` and started to process a JSON array - array_start, - /// the parser read `]` and finished processing a JSON array - array_end, - /// the parser read a key of a value in an object - key, - /// the parser finished reading a JSON value - value -}; - -template -using parser_callback_t = - std::function; - -/*! -@brief syntax analysis - -This class implements a recursive descent parser. -*/ -template -class parser -{ - using number_integer_t = typename BasicJsonType::number_integer_t; - using number_unsigned_t = typename BasicJsonType::number_unsigned_t; - using number_float_t = typename BasicJsonType::number_float_t; - using string_t = typename BasicJsonType::string_t; - using lexer_t = lexer; - using token_type = typename lexer_t::token_type; - - public: - /// a parser reading from an input adapter - explicit parser(InputAdapterType&& adapter, - const parser_callback_t cb = nullptr, - const bool allow_exceptions_ = true, - const bool skip_comments = false) - : callback(cb) - , m_lexer(std::move(adapter), skip_comments) - , allow_exceptions(allow_exceptions_) - { - // read first token - get_token(); - } - - /*! - @brief public parser interface - - @param[in] strict whether to expect the last token to be EOF - @param[in,out] result parsed JSON value - - @throw parse_error.101 in case of an unexpected token - @throw parse_error.102 if to_unicode fails or surrogate error - @throw parse_error.103 if to_unicode fails - */ - void parse(const bool strict, BasicJsonType& result) - { - if (callback) - { - json_sax_dom_callback_parser sdp(result, callback, allow_exceptions); - sax_parse_internal(&sdp); - result.assert_invariant(); - - // in strict mode, input must be completely read - if (strict && (get_token() != token_type::end_of_input)) - { - sdp.parse_error(m_lexer.get_position(), - m_lexer.get_token_string(), - parse_error::create(101, m_lexer.get_position(), - exception_message(token_type::end_of_input, "value"))); - } - - // in case of an error, return discarded value - if (sdp.is_errored()) - { - result = value_t::discarded; - return; - } - - // set top-level value to null if it was discarded by the callback - // function - if (result.is_discarded()) - { - result = nullptr; - } - } - else - { - json_sax_dom_parser sdp(result, allow_exceptions); - sax_parse_internal(&sdp); - result.assert_invariant(); - - // in strict mode, input must be completely read - if (strict && (get_token() != token_type::end_of_input)) - { - sdp.parse_error(m_lexer.get_position(), - m_lexer.get_token_string(), - parse_error::create(101, m_lexer.get_position(), - exception_message(token_type::end_of_input, "value"))); - } - - // in case of an error, return discarded value - if (sdp.is_errored()) - { - result = value_t::discarded; - return; - } - } - } - - /*! - @brief public accept interface - - @param[in] strict whether to expect the last token to be EOF - @return whether the input is a proper JSON text - */ - bool accept(const bool strict = true) - { - json_sax_acceptor sax_acceptor; - return sax_parse(&sax_acceptor, strict); - } - - template - JSON_HEDLEY_NON_NULL(2) - bool sax_parse(SAX* sax, const bool strict = true) - { - (void)detail::is_sax_static_asserts {}; - const bool result = sax_parse_internal(sax); - - // strict mode: next byte must be EOF - if (result && strict && (get_token() != token_type::end_of_input)) - { - return sax->parse_error(m_lexer.get_position(), - m_lexer.get_token_string(), - parse_error::create(101, m_lexer.get_position(), - exception_message(token_type::end_of_input, "value"))); - } - - return result; - } - - private: - template - JSON_HEDLEY_NON_NULL(2) - bool sax_parse_internal(SAX* sax) - { - // stack to remember the hierarchy of structured values we are parsing - // true = array; false = object - std::vector states; - // value to avoid a goto (see comment where set to true) - bool skip_to_state_evaluation = false; - - while (true) - { - if (!skip_to_state_evaluation) - { - // invariant: get_token() was called before each iteration - switch (last_token) - { - case token_type::begin_object: - { - if (JSON_HEDLEY_UNLIKELY(!sax->start_object(std::size_t(-1)))) - { - return false; - } - - // closing } -> we are done - if (get_token() == token_type::end_object) - { - if (JSON_HEDLEY_UNLIKELY(!sax->end_object())) - { - return false; - } - break; - } - - // parse key - if (JSON_HEDLEY_UNLIKELY(last_token != token_type::value_string)) - { - return sax->parse_error(m_lexer.get_position(), - m_lexer.get_token_string(), - parse_error::create(101, m_lexer.get_position(), - exception_message(token_type::value_string, "object key"))); - } - if (JSON_HEDLEY_UNLIKELY(!sax->key(m_lexer.get_string()))) - { - return false; - } - - // parse separator (:) - if (JSON_HEDLEY_UNLIKELY(get_token() != token_type::name_separator)) - { - return sax->parse_error(m_lexer.get_position(), - m_lexer.get_token_string(), - parse_error::create(101, m_lexer.get_position(), - exception_message(token_type::name_separator, "object separator"))); - } - - // remember we are now inside an object - states.push_back(false); - - // parse values - get_token(); - continue; - } - - case token_type::begin_array: - { - if (JSON_HEDLEY_UNLIKELY(!sax->start_array(std::size_t(-1)))) - { - return false; - } - - // closing ] -> we are done - if (get_token() == token_type::end_array) - { - if (JSON_HEDLEY_UNLIKELY(!sax->end_array())) - { - return false; - } - break; - } - - // remember we are now inside an array - states.push_back(true); - - // parse values (no need to call get_token) - continue; - } - - case token_type::value_float: - { - const auto res = m_lexer.get_number_float(); - - if (JSON_HEDLEY_UNLIKELY(!std::isfinite(res))) - { - return sax->parse_error(m_lexer.get_position(), - m_lexer.get_token_string(), - out_of_range::create(406, "number overflow parsing '" + m_lexer.get_token_string() + "'")); - } - - if (JSON_HEDLEY_UNLIKELY(!sax->number_float(res, m_lexer.get_string()))) - { - return false; - } - - break; - } - - case token_type::literal_false: - { - if (JSON_HEDLEY_UNLIKELY(!sax->boolean(false))) - { - return false; - } - break; - } - - case token_type::literal_null: - { - if (JSON_HEDLEY_UNLIKELY(!sax->null())) - { - return false; - } - break; - } - - case token_type::literal_true: - { - if (JSON_HEDLEY_UNLIKELY(!sax->boolean(true))) - { - return false; - } - break; - } - - case token_type::value_integer: - { - if (JSON_HEDLEY_UNLIKELY(!sax->number_integer(m_lexer.get_number_integer()))) - { - return false; - } - break; - } - - case token_type::value_string: - { - if (JSON_HEDLEY_UNLIKELY(!sax->string(m_lexer.get_string()))) - { - return false; - } - break; - } - - case token_type::value_unsigned: - { - if (JSON_HEDLEY_UNLIKELY(!sax->number_unsigned(m_lexer.get_number_unsigned()))) - { - return false; - } - break; - } - - case token_type::parse_error: - { - // using "uninitialized" to avoid "expected" message - return sax->parse_error(m_lexer.get_position(), - m_lexer.get_token_string(), - parse_error::create(101, m_lexer.get_position(), - exception_message(token_type::uninitialized, "value"))); - } - - default: // the last token was unexpected - { - return sax->parse_error(m_lexer.get_position(), - m_lexer.get_token_string(), - parse_error::create(101, m_lexer.get_position(), - exception_message(token_type::literal_or_value, "value"))); - } - } - } - else - { - skip_to_state_evaluation = false; - } - - // we reached this line after we successfully parsed a value - if (states.empty()) - { - // empty stack: we reached the end of the hierarchy: done - return true; - } - - if (states.back()) // array - { - // comma -> next value - if (get_token() == token_type::value_separator) - { - // parse a new value - get_token(); - continue; - } - - // closing ] - if (JSON_HEDLEY_LIKELY(last_token == token_type::end_array)) - { - if (JSON_HEDLEY_UNLIKELY(!sax->end_array())) - { - return false; - } - - // We are done with this array. Before we can parse a - // new value, we need to evaluate the new state first. - // By setting skip_to_state_evaluation to false, we - // are effectively jumping to the beginning of this if. - JSON_ASSERT(!states.empty()); - states.pop_back(); - skip_to_state_evaluation = true; - continue; - } - - return sax->parse_error(m_lexer.get_position(), - m_lexer.get_token_string(), - parse_error::create(101, m_lexer.get_position(), - exception_message(token_type::end_array, "array"))); - } - else // object - { - // comma -> next value - if (get_token() == token_type::value_separator) - { - // parse key - if (JSON_HEDLEY_UNLIKELY(get_token() != token_type::value_string)) - { - return sax->parse_error(m_lexer.get_position(), - m_lexer.get_token_string(), - parse_error::create(101, m_lexer.get_position(), - exception_message(token_type::value_string, "object key"))); - } - - if (JSON_HEDLEY_UNLIKELY(!sax->key(m_lexer.get_string()))) - { - return false; - } - - // parse separator (:) - if (JSON_HEDLEY_UNLIKELY(get_token() != token_type::name_separator)) - { - return sax->parse_error(m_lexer.get_position(), - m_lexer.get_token_string(), - parse_error::create(101, m_lexer.get_position(), - exception_message(token_type::name_separator, "object separator"))); - } - - // parse values - get_token(); - continue; - } - - // closing } - if (JSON_HEDLEY_LIKELY(last_token == token_type::end_object)) - { - if (JSON_HEDLEY_UNLIKELY(!sax->end_object())) - { - return false; - } - - // We are done with this object. Before we can parse a - // new value, we need to evaluate the new state first. - // By setting skip_to_state_evaluation to false, we - // are effectively jumping to the beginning of this if. - JSON_ASSERT(!states.empty()); - states.pop_back(); - skip_to_state_evaluation = true; - continue; - } - - return sax->parse_error(m_lexer.get_position(), - m_lexer.get_token_string(), - parse_error::create(101, m_lexer.get_position(), - exception_message(token_type::end_object, "object"))); - } - } - } - - /// get next token from lexer - token_type get_token() - { - return last_token = m_lexer.scan(); - } - - std::string exception_message(const token_type expected, const std::string& context) - { - std::string error_msg = "syntax error "; - - if (!context.empty()) - { - error_msg += "while parsing " + context + " "; - } - - error_msg += "- "; - - if (last_token == token_type::parse_error) - { - error_msg += std::string(m_lexer.get_error_message()) + "; last read: '" + - m_lexer.get_token_string() + "'"; - } - else - { - error_msg += "unexpected " + std::string(lexer_t::token_type_name(last_token)); - } - - if (expected != token_type::uninitialized) - { - error_msg += "; expected " + std::string(lexer_t::token_type_name(expected)); - } - - return error_msg; - } - - private: - /// callback function - const parser_callback_t callback = nullptr; - /// the type of the last read token - token_type last_token = token_type::uninitialized; - /// the lexer - lexer_t m_lexer; - /// whether to throw exceptions in case of errors - const bool allow_exceptions = true; -}; -} // namespace detail -} // namespace nlohmann - -// #include - - -// #include - - -#include // ptrdiff_t -#include // numeric_limits - -namespace nlohmann -{ -namespace detail -{ -/* -@brief an iterator for primitive JSON types - -This class models an iterator for primitive JSON types (boolean, number, -string). It's only purpose is to allow the iterator/const_iterator classes -to "iterate" over primitive values. Internally, the iterator is modeled by -a `difference_type` variable. Value begin_value (`0`) models the begin, -end_value (`1`) models past the end. -*/ -class primitive_iterator_t -{ - private: - using difference_type = std::ptrdiff_t; - static constexpr difference_type begin_value = 0; - static constexpr difference_type end_value = begin_value + 1; - - /// iterator as signed integer type - difference_type m_it = (std::numeric_limits::min)(); - - public: - constexpr difference_type get_value() const noexcept - { - return m_it; - } - - /// set iterator to a defined beginning - void set_begin() noexcept - { - m_it = begin_value; - } - - /// set iterator to a defined past the end - void set_end() noexcept - { - m_it = end_value; - } - - /// return whether the iterator can be dereferenced - constexpr bool is_begin() const noexcept - { - return m_it == begin_value; - } - - /// return whether the iterator is at end - constexpr bool is_end() const noexcept - { - return m_it == end_value; - } - - friend constexpr bool operator==(primitive_iterator_t lhs, primitive_iterator_t rhs) noexcept - { - return lhs.m_it == rhs.m_it; - } - - friend constexpr bool operator<(primitive_iterator_t lhs, primitive_iterator_t rhs) noexcept - { - return lhs.m_it < rhs.m_it; - } - - primitive_iterator_t operator+(difference_type n) noexcept - { - auto result = *this; - result += n; - return result; - } - - friend constexpr difference_type operator-(primitive_iterator_t lhs, primitive_iterator_t rhs) noexcept - { - return lhs.m_it - rhs.m_it; - } - - primitive_iterator_t& operator++() noexcept - { - ++m_it; - return *this; - } - - primitive_iterator_t const operator++(int) noexcept - { - auto result = *this; - ++m_it; - return result; - } - - primitive_iterator_t& operator--() noexcept - { - --m_it; - return *this; - } - - primitive_iterator_t const operator--(int) noexcept - { - auto result = *this; - --m_it; - return result; - } - - primitive_iterator_t& operator+=(difference_type n) noexcept - { - m_it += n; - return *this; - } - - primitive_iterator_t& operator-=(difference_type n) noexcept - { - m_it -= n; - return *this; - } -}; -} // namespace detail -} // namespace nlohmann - - -namespace nlohmann -{ -namespace detail -{ -/*! -@brief an iterator value - -@note This structure could easily be a union, but MSVC currently does not allow -unions members with complex constructors, see https://github.com/nlohmann/json/pull/105. -*/ -template struct internal_iterator -{ - /// iterator for JSON objects - typename BasicJsonType::object_t::iterator object_iterator {}; - /// iterator for JSON arrays - typename BasicJsonType::array_t::iterator array_iterator {}; - /// generic iterator for all other types - primitive_iterator_t primitive_iterator {}; -}; -} // namespace detail -} // namespace nlohmann - -// #include - - -#include // iterator, random_access_iterator_tag, bidirectional_iterator_tag, advance, next -#include // conditional, is_const, remove_const - -// #include - -// #include - -// #include - -// #include - -// #include - -// #include - -// #include - - -namespace nlohmann -{ -namespace detail -{ -// forward declare, to be able to friend it later on -template class iteration_proxy; -template class iteration_proxy_value; - -/*! -@brief a template for a bidirectional iterator for the @ref basic_json class -This class implements a both iterators (iterator and const_iterator) for the -@ref basic_json class. -@note An iterator is called *initialized* when a pointer to a JSON value has - been set (e.g., by a constructor or a copy assignment). If the iterator is - default-constructed, it is *uninitialized* and most methods are undefined. - **The library uses assertions to detect calls on uninitialized iterators.** -@requirement The class satisfies the following concept requirements: -- -[BidirectionalIterator](https://en.cppreference.com/w/cpp/named_req/BidirectionalIterator): - The iterator that can be moved can be moved in both directions (i.e. - incremented and decremented). -@since version 1.0.0, simplified in version 2.0.9, change to bidirectional - iterators in version 3.0.0 (see https://github.com/nlohmann/json/issues/593) -*/ -template -class iter_impl -{ - /// allow basic_json to access private members - friend iter_impl::value, typename std::remove_const::type, const BasicJsonType>::type>; - friend BasicJsonType; - friend iteration_proxy; - friend iteration_proxy_value; - - using object_t = typename BasicJsonType::object_t; - using array_t = typename BasicJsonType::array_t; - // make sure BasicJsonType is basic_json or const basic_json - static_assert(is_basic_json::type>::value, - "iter_impl only accepts (const) basic_json"); - - public: - - /// The std::iterator class template (used as a base class to provide typedefs) is deprecated in C++17. - /// The C++ Standard has never required user-defined iterators to derive from std::iterator. - /// A user-defined iterator should provide publicly accessible typedefs named - /// iterator_category, value_type, difference_type, pointer, and reference. - /// Note that value_type is required to be non-const, even for constant iterators. - using iterator_category = std::bidirectional_iterator_tag; - - /// the type of the values when the iterator is dereferenced - using value_type = typename BasicJsonType::value_type; - /// a type to represent differences between iterators - using difference_type = typename BasicJsonType::difference_type; - /// defines a pointer to the type iterated over (value_type) - using pointer = typename std::conditional::value, - typename BasicJsonType::const_pointer, - typename BasicJsonType::pointer>::type; - /// defines a reference to the type iterated over (value_type) - using reference = - typename std::conditional::value, - typename BasicJsonType::const_reference, - typename BasicJsonType::reference>::type; - - /// default constructor - iter_impl() = default; - - /*! - @brief constructor for a given JSON instance - @param[in] object pointer to a JSON object for this iterator - @pre object != nullptr - @post The iterator is initialized; i.e. `m_object != nullptr`. - */ - explicit iter_impl(pointer object) noexcept : m_object(object) - { - JSON_ASSERT(m_object != nullptr); - - switch (m_object->m_type) - { - case value_t::object: - { - m_it.object_iterator = typename object_t::iterator(); - break; - } - - case value_t::array: - { - m_it.array_iterator = typename array_t::iterator(); - break; - } - - default: - { - m_it.primitive_iterator = primitive_iterator_t(); - break; - } - } - } - - /*! - @note The conventional copy constructor and copy assignment are implicitly - defined. Combined with the following converting constructor and - assignment, they support: (1) copy from iterator to iterator, (2) - copy from const iterator to const iterator, and (3) conversion from - iterator to const iterator. However conversion from const iterator - to iterator is not defined. - */ - - /*! - @brief const copy constructor - @param[in] other const iterator to copy from - @note This copy constructor had to be defined explicitly to circumvent a bug - occurring on msvc v19.0 compiler (VS 2015) debug build. For more - information refer to: https://github.com/nlohmann/json/issues/1608 - */ - iter_impl(const iter_impl& other) noexcept - : m_object(other.m_object), m_it(other.m_it) - {} - - /*! - @brief converting assignment - @param[in] other const iterator to copy from - @return const/non-const iterator - @note It is not checked whether @a other is initialized. - */ - iter_impl& operator=(const iter_impl& other) noexcept - { - m_object = other.m_object; - m_it = other.m_it; - return *this; - } - - /*! - @brief converting constructor - @param[in] other non-const iterator to copy from - @note It is not checked whether @a other is initialized. - */ - iter_impl(const iter_impl::type>& other) noexcept - : m_object(other.m_object), m_it(other.m_it) - {} - - /*! - @brief converting assignment - @param[in] other non-const iterator to copy from - @return const/non-const iterator - @note It is not checked whether @a other is initialized. - */ - iter_impl& operator=(const iter_impl::type>& other) noexcept - { - m_object = other.m_object; - m_it = other.m_it; - return *this; - } - - private: - /*! - @brief set the iterator to the first value - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ - void set_begin() noexcept - { - JSON_ASSERT(m_object != nullptr); - - switch (m_object->m_type) - { - case value_t::object: - { - m_it.object_iterator = m_object->m_value.object->begin(); - break; - } - - case value_t::array: - { - m_it.array_iterator = m_object->m_value.array->begin(); - break; - } - - case value_t::null: - { - // set to end so begin()==end() is true: null is empty - m_it.primitive_iterator.set_end(); - break; - } - - default: - { - m_it.primitive_iterator.set_begin(); - break; - } - } - } - - /*! - @brief set the iterator past the last value - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ - void set_end() noexcept - { - JSON_ASSERT(m_object != nullptr); - - switch (m_object->m_type) - { - case value_t::object: - { - m_it.object_iterator = m_object->m_value.object->end(); - break; - } - - case value_t::array: - { - m_it.array_iterator = m_object->m_value.array->end(); - break; - } - - default: - { - m_it.primitive_iterator.set_end(); - break; - } - } - } - - public: - /*! - @brief return a reference to the value pointed to by the iterator - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ - reference operator*() const - { - JSON_ASSERT(m_object != nullptr); - - switch (m_object->m_type) - { - case value_t::object: - { - JSON_ASSERT(m_it.object_iterator != m_object->m_value.object->end()); - return m_it.object_iterator->second; - } - - case value_t::array: - { - JSON_ASSERT(m_it.array_iterator != m_object->m_value.array->end()); - return *m_it.array_iterator; - } - - case value_t::null: - JSON_THROW(invalid_iterator::create(214, "cannot get value")); - - default: - { - if (JSON_HEDLEY_LIKELY(m_it.primitive_iterator.is_begin())) - { - return *m_object; - } - - JSON_THROW(invalid_iterator::create(214, "cannot get value")); - } - } - } - - /*! - @brief dereference the iterator - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ - pointer operator->() const - { - JSON_ASSERT(m_object != nullptr); - - switch (m_object->m_type) - { - case value_t::object: - { - JSON_ASSERT(m_it.object_iterator != m_object->m_value.object->end()); - return &(m_it.object_iterator->second); - } - - case value_t::array: - { - JSON_ASSERT(m_it.array_iterator != m_object->m_value.array->end()); - return &*m_it.array_iterator; - } - - default: - { - if (JSON_HEDLEY_LIKELY(m_it.primitive_iterator.is_begin())) - { - return m_object; - } - - JSON_THROW(invalid_iterator::create(214, "cannot get value")); - } - } - } - - /*! - @brief post-increment (it++) - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ - iter_impl const operator++(int) - { - auto result = *this; - ++(*this); - return result; - } - - /*! - @brief pre-increment (++it) - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ - iter_impl& operator++() - { - JSON_ASSERT(m_object != nullptr); - - switch (m_object->m_type) - { - case value_t::object: - { - std::advance(m_it.object_iterator, 1); - break; - } - - case value_t::array: - { - std::advance(m_it.array_iterator, 1); - break; - } - - default: - { - ++m_it.primitive_iterator; - break; - } - } - - return *this; - } - - /*! - @brief post-decrement (it--) - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ - iter_impl const operator--(int) - { - auto result = *this; - --(*this); - return result; - } - - /*! - @brief pre-decrement (--it) - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ - iter_impl& operator--() - { - JSON_ASSERT(m_object != nullptr); - - switch (m_object->m_type) - { - case value_t::object: - { - std::advance(m_it.object_iterator, -1); - break; - } - - case value_t::array: - { - std::advance(m_it.array_iterator, -1); - break; - } - - default: - { - --m_it.primitive_iterator; - break; - } - } - - return *this; - } - - /*! - @brief comparison: equal - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ - bool operator==(const iter_impl& other) const - { - // if objects are not the same, the comparison is undefined - if (JSON_HEDLEY_UNLIKELY(m_object != other.m_object)) - { - JSON_THROW(invalid_iterator::create(212, "cannot compare iterators of different containers")); - } - - JSON_ASSERT(m_object != nullptr); - - switch (m_object->m_type) - { - case value_t::object: - return (m_it.object_iterator == other.m_it.object_iterator); - - case value_t::array: - return (m_it.array_iterator == other.m_it.array_iterator); - - default: - return (m_it.primitive_iterator == other.m_it.primitive_iterator); - } - } - - /*! - @brief comparison: not equal - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ - bool operator!=(const iter_impl& other) const - { - return !operator==(other); - } - - /*! - @brief comparison: smaller - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ - bool operator<(const iter_impl& other) const - { - // if objects are not the same, the comparison is undefined - if (JSON_HEDLEY_UNLIKELY(m_object != other.m_object)) - { - JSON_THROW(invalid_iterator::create(212, "cannot compare iterators of different containers")); - } - - JSON_ASSERT(m_object != nullptr); - - switch (m_object->m_type) - { - case value_t::object: - JSON_THROW(invalid_iterator::create(213, "cannot compare order of object iterators")); - - case value_t::array: - return (m_it.array_iterator < other.m_it.array_iterator); - - default: - return (m_it.primitive_iterator < other.m_it.primitive_iterator); - } - } - - /*! - @brief comparison: less than or equal - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ - bool operator<=(const iter_impl& other) const - { - return !other.operator < (*this); - } - - /*! - @brief comparison: greater than - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ - bool operator>(const iter_impl& other) const - { - return !operator<=(other); - } - - /*! - @brief comparison: greater than or equal - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ - bool operator>=(const iter_impl& other) const - { - return !operator<(other); - } - - /*! - @brief add to iterator - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ - iter_impl& operator+=(difference_type i) - { - JSON_ASSERT(m_object != nullptr); - - switch (m_object->m_type) - { - case value_t::object: - JSON_THROW(invalid_iterator::create(209, "cannot use offsets with object iterators")); - - case value_t::array: - { - std::advance(m_it.array_iterator, i); - break; - } - - default: - { - m_it.primitive_iterator += i; - break; - } - } - - return *this; - } - - /*! - @brief subtract from iterator - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ - iter_impl& operator-=(difference_type i) - { - return operator+=(-i); - } - - /*! - @brief add to iterator - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ - iter_impl operator+(difference_type i) const - { - auto result = *this; - result += i; - return result; - } - - /*! - @brief addition of distance and iterator - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ - friend iter_impl operator+(difference_type i, const iter_impl& it) - { - auto result = it; - result += i; - return result; - } - - /*! - @brief subtract from iterator - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ - iter_impl operator-(difference_type i) const - { - auto result = *this; - result -= i; - return result; - } - - /*! - @brief return difference - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ - difference_type operator-(const iter_impl& other) const - { - JSON_ASSERT(m_object != nullptr); - - switch (m_object->m_type) - { - case value_t::object: - JSON_THROW(invalid_iterator::create(209, "cannot use offsets with object iterators")); - - case value_t::array: - return m_it.array_iterator - other.m_it.array_iterator; - - default: - return m_it.primitive_iterator - other.m_it.primitive_iterator; - } - } - - /*! - @brief access to successor - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ - reference operator[](difference_type n) const - { - JSON_ASSERT(m_object != nullptr); - - switch (m_object->m_type) - { - case value_t::object: - JSON_THROW(invalid_iterator::create(208, "cannot use operator[] for object iterators")); - - case value_t::array: - return *std::next(m_it.array_iterator, n); - - case value_t::null: - JSON_THROW(invalid_iterator::create(214, "cannot get value")); - - default: - { - if (JSON_HEDLEY_LIKELY(m_it.primitive_iterator.get_value() == -n)) - { - return *m_object; - } - - JSON_THROW(invalid_iterator::create(214, "cannot get value")); - } - } - } - - /*! - @brief return the key of an object iterator - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ - const typename object_t::key_type& key() const - { - JSON_ASSERT(m_object != nullptr); - - if (JSON_HEDLEY_LIKELY(m_object->is_object())) - { - return m_it.object_iterator->first; - } - - JSON_THROW(invalid_iterator::create(207, "cannot use key() for non-object iterators")); - } - - /*! - @brief return the value of an iterator - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ - reference value() const - { - return operator*(); - } - - private: - /// associated JSON instance - pointer m_object = nullptr; - /// the actual iterator of the associated instance - internal_iterator::type> m_it {}; -}; -} // namespace detail -} // namespace nlohmann - -// #include - -// #include - - -#include // ptrdiff_t -#include // reverse_iterator -#include // declval - -namespace nlohmann -{ -namespace detail -{ -////////////////////// -// reverse_iterator // -////////////////////// - -/*! -@brief a template for a reverse iterator class - -@tparam Base the base iterator type to reverse. Valid types are @ref -iterator (to create @ref reverse_iterator) and @ref const_iterator (to -create @ref const_reverse_iterator). - -@requirement The class satisfies the following concept requirements: -- -[BidirectionalIterator](https://en.cppreference.com/w/cpp/named_req/BidirectionalIterator): - The iterator that can be moved can be moved in both directions (i.e. - incremented and decremented). -- [OutputIterator](https://en.cppreference.com/w/cpp/named_req/OutputIterator): - It is possible to write to the pointed-to element (only if @a Base is - @ref iterator). - -@since version 1.0.0 -*/ -template -class json_reverse_iterator : public std::reverse_iterator -{ - public: - using difference_type = std::ptrdiff_t; - /// shortcut to the reverse iterator adapter - using base_iterator = std::reverse_iterator; - /// the reference type for the pointed-to element - using reference = typename Base::reference; - - /// create reverse iterator from iterator - explicit json_reverse_iterator(const typename base_iterator::iterator_type& it) noexcept - : base_iterator(it) {} - - /// create reverse iterator from base class - explicit json_reverse_iterator(const base_iterator& it) noexcept : base_iterator(it) {} - - /// post-increment (it++) - json_reverse_iterator const operator++(int) - { - return static_cast(base_iterator::operator++(1)); - } - - /// pre-increment (++it) - json_reverse_iterator& operator++() - { - return static_cast(base_iterator::operator++()); - } - - /// post-decrement (it--) - json_reverse_iterator const operator--(int) - { - return static_cast(base_iterator::operator--(1)); - } - - /// pre-decrement (--it) - json_reverse_iterator& operator--() - { - return static_cast(base_iterator::operator--()); - } - - /// add to iterator - json_reverse_iterator& operator+=(difference_type i) - { - return static_cast(base_iterator::operator+=(i)); - } - - /// add to iterator - json_reverse_iterator operator+(difference_type i) const - { - return static_cast(base_iterator::operator+(i)); - } - - /// subtract from iterator - json_reverse_iterator operator-(difference_type i) const - { - return static_cast(base_iterator::operator-(i)); - } - - /// return difference - difference_type operator-(const json_reverse_iterator& other) const - { - return base_iterator(*this) - base_iterator(other); - } - - /// access to successor - reference operator[](difference_type n) const - { - return *(this->operator+(n)); - } - - /// return the key of an object iterator - auto key() const -> decltype(std::declval().key()) - { - auto it = --this->base(); - return it.key(); - } - - /// return the value of an iterator - reference value() const - { - auto it = --this->base(); - return it.operator * (); - } -}; -} // namespace detail -} // namespace nlohmann - -// #include - -// #include - - -#include // all_of -#include // isdigit -#include // max -#include // accumulate -#include // string -#include // move -#include // vector - -// #include - -// #include - -// #include - - -namespace nlohmann -{ -template -class json_pointer -{ - // allow basic_json to access private members - NLOHMANN_BASIC_JSON_TPL_DECLARATION - friend class basic_json; - - public: - /*! - @brief create JSON pointer - - Create a JSON pointer according to the syntax described in - [Section 3 of RFC6901](https://tools.ietf.org/html/rfc6901#section-3). - - @param[in] s string representing the JSON pointer; if omitted, the empty - string is assumed which references the whole JSON value - - @throw parse_error.107 if the given JSON pointer @a s is nonempty and does - not begin with a slash (`/`); see example below - - @throw parse_error.108 if a tilde (`~`) in the given JSON pointer @a s is - not followed by `0` (representing `~`) or `1` (representing `/`); see - example below - - @liveexample{The example shows the construction several valid JSON pointers - as well as the exceptional behavior.,json_pointer} - - @since version 2.0.0 - */ - explicit json_pointer(const std::string& s = "") - : reference_tokens(split(s)) - {} - - /*! - @brief return a string representation of the JSON pointer - - @invariant For each JSON pointer `ptr`, it holds: - @code {.cpp} - ptr == json_pointer(ptr.to_string()); - @endcode - - @return a string representation of the JSON pointer - - @liveexample{The example shows the result of `to_string`.,json_pointer__to_string} - - @since version 2.0.0 - */ - std::string to_string() const - { - return std::accumulate(reference_tokens.begin(), reference_tokens.end(), - std::string{}, - [](const std::string & a, const std::string & b) - { - return a + "/" + escape(b); - }); - } - - /// @copydoc to_string() - operator std::string() const - { - return to_string(); - } - - /*! - @brief append another JSON pointer at the end of this JSON pointer - - @param[in] ptr JSON pointer to append - @return JSON pointer with @a ptr appended - - @liveexample{The example shows the usage of `operator/=`.,json_pointer__operator_add} - - @complexity Linear in the length of @a ptr. - - @sa @ref operator/=(std::string) to append a reference token - @sa @ref operator/=(std::size_t) to append an array index - @sa @ref operator/(const json_pointer&, const json_pointer&) for a binary operator - - @since version 3.6.0 - */ - json_pointer& operator/=(const json_pointer& ptr) - { - reference_tokens.insert(reference_tokens.end(), - ptr.reference_tokens.begin(), - ptr.reference_tokens.end()); - return *this; - } - - /*! - @brief append an unescaped reference token at the end of this JSON pointer - - @param[in] token reference token to append - @return JSON pointer with @a token appended without escaping @a token - - @liveexample{The example shows the usage of `operator/=`.,json_pointer__operator_add} - - @complexity Amortized constant. - - @sa @ref operator/=(const json_pointer&) to append a JSON pointer - @sa @ref operator/=(std::size_t) to append an array index - @sa @ref operator/(const json_pointer&, std::size_t) for a binary operator - - @since version 3.6.0 - */ - json_pointer& operator/=(std::string token) - { - push_back(std::move(token)); - return *this; - } - - /*! - @brief append an array index at the end of this JSON pointer - - @param[in] array_idx array index to append - @return JSON pointer with @a array_idx appended - - @liveexample{The example shows the usage of `operator/=`.,json_pointer__operator_add} - - @complexity Amortized constant. - - @sa @ref operator/=(const json_pointer&) to append a JSON pointer - @sa @ref operator/=(std::string) to append a reference token - @sa @ref operator/(const json_pointer&, std::string) for a binary operator - - @since version 3.6.0 - */ - json_pointer& operator/=(std::size_t array_idx) - { - return *this /= std::to_string(array_idx); - } - - /*! - @brief create a new JSON pointer by appending the right JSON pointer at the end of the left JSON pointer - - @param[in] lhs JSON pointer - @param[in] rhs JSON pointer - @return a new JSON pointer with @a rhs appended to @a lhs - - @liveexample{The example shows the usage of `operator/`.,json_pointer__operator_add_binary} - - @complexity Linear in the length of @a lhs and @a rhs. - - @sa @ref operator/=(const json_pointer&) to append a JSON pointer - - @since version 3.6.0 - */ - friend json_pointer operator/(const json_pointer& lhs, - const json_pointer& rhs) - { - return json_pointer(lhs) /= rhs; - } - - /*! - @brief create a new JSON pointer by appending the unescaped token at the end of the JSON pointer - - @param[in] ptr JSON pointer - @param[in] token reference token - @return a new JSON pointer with unescaped @a token appended to @a ptr - - @liveexample{The example shows the usage of `operator/`.,json_pointer__operator_add_binary} - - @complexity Linear in the length of @a ptr. - - @sa @ref operator/=(std::string) to append a reference token - - @since version 3.6.0 - */ - friend json_pointer operator/(const json_pointer& ptr, std::string token) - { - return json_pointer(ptr) /= std::move(token); - } - - /*! - @brief create a new JSON pointer by appending the array-index-token at the end of the JSON pointer - - @param[in] ptr JSON pointer - @param[in] array_idx array index - @return a new JSON pointer with @a array_idx appended to @a ptr - - @liveexample{The example shows the usage of `operator/`.,json_pointer__operator_add_binary} - - @complexity Linear in the length of @a ptr. - - @sa @ref operator/=(std::size_t) to append an array index - - @since version 3.6.0 - */ - friend json_pointer operator/(const json_pointer& ptr, std::size_t array_idx) - { - return json_pointer(ptr) /= array_idx; - } - - /*! - @brief returns the parent of this JSON pointer - - @return parent of this JSON pointer; in case this JSON pointer is the root, - the root itself is returned - - @complexity Linear in the length of the JSON pointer. - - @liveexample{The example shows the result of `parent_pointer` for different - JSON Pointers.,json_pointer__parent_pointer} - - @since version 3.6.0 - */ - json_pointer parent_pointer() const - { - if (empty()) - { - return *this; - } - - json_pointer res = *this; - res.pop_back(); - return res; - } - - /*! - @brief remove last reference token - - @pre not `empty()` - - @liveexample{The example shows the usage of `pop_back`.,json_pointer__pop_back} - - @complexity Constant. - - @throw out_of_range.405 if JSON pointer has no parent - - @since version 3.6.0 - */ - void pop_back() - { - if (JSON_HEDLEY_UNLIKELY(empty())) - { - JSON_THROW(detail::out_of_range::create(405, "JSON pointer has no parent")); - } - - reference_tokens.pop_back(); - } - - /*! - @brief return last reference token - - @pre not `empty()` - @return last reference token - - @liveexample{The example shows the usage of `back`.,json_pointer__back} - - @complexity Constant. - - @throw out_of_range.405 if JSON pointer has no parent - - @since version 3.6.0 - */ - const std::string& back() const - { - if (JSON_HEDLEY_UNLIKELY(empty())) - { - JSON_THROW(detail::out_of_range::create(405, "JSON pointer has no parent")); - } - - return reference_tokens.back(); - } - - /*! - @brief append an unescaped token at the end of the reference pointer - - @param[in] token token to add - - @complexity Amortized constant. - - @liveexample{The example shows the result of `push_back` for different - JSON Pointers.,json_pointer__push_back} - - @since version 3.6.0 - */ - void push_back(const std::string& token) - { - reference_tokens.push_back(token); - } - - /// @copydoc push_back(const std::string&) - void push_back(std::string&& token) - { - reference_tokens.push_back(std::move(token)); - } - - /*! - @brief return whether pointer points to the root document - - @return true iff the JSON pointer points to the root document - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - - @liveexample{The example shows the result of `empty` for different JSON - Pointers.,json_pointer__empty} - - @since version 3.6.0 - */ - bool empty() const noexcept - { - return reference_tokens.empty(); - } - - private: - /*! - @param[in] s reference token to be converted into an array index - - @return integer representation of @a s - - @throw parse_error.106 if an array index begins with '0' - @throw parse_error.109 if an array index begins not with a digit - @throw out_of_range.404 if string @a s could not be converted to an integer - @throw out_of_range.410 if an array index exceeds size_type - */ - static typename BasicJsonType::size_type array_index(const std::string& s) - { - using size_type = typename BasicJsonType::size_type; - - // error condition (cf. RFC 6901, Sect. 4) - if (JSON_HEDLEY_UNLIKELY(s.size() > 1 && s[0] == '0')) - { - JSON_THROW(detail::parse_error::create(106, 0, - "array index '" + s + - "' must not begin with '0'")); - } - - // error condition (cf. RFC 6901, Sect. 4) - if (JSON_HEDLEY_UNLIKELY(s.size() > 1 && !(s[0] >= '1' && s[0] <= '9'))) - { - JSON_THROW(detail::parse_error::create(109, 0, "array index '" + s + "' is not a number")); - } - - std::size_t processed_chars = 0; - unsigned long long res = 0; - JSON_TRY - { - res = std::stoull(s, &processed_chars); - } - JSON_CATCH(std::out_of_range&) - { - JSON_THROW(detail::out_of_range::create(404, "unresolved reference token '" + s + "'")); - } - - // check if the string was completely read - if (JSON_HEDLEY_UNLIKELY(processed_chars != s.size())) - { - JSON_THROW(detail::out_of_range::create(404, "unresolved reference token '" + s + "'")); - } - - // only triggered on special platforms (like 32bit), see also - // https://github.com/nlohmann/json/pull/2203 - if (res >= static_cast((std::numeric_limits::max)())) - { - JSON_THROW(detail::out_of_range::create(410, "array index " + s + " exceeds size_type")); // LCOV_EXCL_LINE - } - - return static_cast(res); - } - - json_pointer top() const - { - if (JSON_HEDLEY_UNLIKELY(empty())) - { - JSON_THROW(detail::out_of_range::create(405, "JSON pointer has no parent")); - } - - json_pointer result = *this; - result.reference_tokens = {reference_tokens[0]}; - return result; - } - - /*! - @brief create and return a reference to the pointed to value - - @complexity Linear in the number of reference tokens. - - @throw parse_error.109 if array index is not a number - @throw type_error.313 if value cannot be unflattened - */ - BasicJsonType& get_and_create(BasicJsonType& j) const - { - auto result = &j; - - // in case no reference tokens exist, return a reference to the JSON value - // j which will be overwritten by a primitive value - for (const auto& reference_token : reference_tokens) - { - switch (result->type()) - { - case detail::value_t::null: - { - if (reference_token == "0") - { - // start a new array if reference token is 0 - result = &result->operator[](0); - } - else - { - // start a new object otherwise - result = &result->operator[](reference_token); - } - break; - } - - case detail::value_t::object: - { - // create an entry in the object - result = &result->operator[](reference_token); - break; - } - - case detail::value_t::array: - { - // create an entry in the array - result = &result->operator[](array_index(reference_token)); - break; - } - - /* - The following code is only reached if there exists a reference - token _and_ the current value is primitive. In this case, we have - an error situation, because primitive values may only occur as - single value; that is, with an empty list of reference tokens. - */ - default: - JSON_THROW(detail::type_error::create(313, "invalid value to unflatten")); - } - } - - return *result; - } - - /*! - @brief return a reference to the pointed to value - - @note This version does not throw if a value is not present, but tries to - create nested values instead. For instance, calling this function - with pointer `"/this/that"` on a null value is equivalent to calling - `operator[]("this").operator[]("that")` on that value, effectively - changing the null value to an object. - - @param[in] ptr a JSON value - - @return reference to the JSON value pointed to by the JSON pointer - - @complexity Linear in the length of the JSON pointer. - - @throw parse_error.106 if an array index begins with '0' - @throw parse_error.109 if an array index was not a number - @throw out_of_range.404 if the JSON pointer can not be resolved - */ - BasicJsonType& get_unchecked(BasicJsonType* ptr) const - { - for (const auto& reference_token : reference_tokens) - { - // convert null values to arrays or objects before continuing - if (ptr->is_null()) - { - // check if reference token is a number - const bool nums = - std::all_of(reference_token.begin(), reference_token.end(), - [](const unsigned char x) - { - return std::isdigit(x); - }); - - // change value to array for numbers or "-" or to object otherwise - *ptr = (nums || reference_token == "-") - ? detail::value_t::array - : detail::value_t::object; - } - - switch (ptr->type()) - { - case detail::value_t::object: - { - // use unchecked object access - ptr = &ptr->operator[](reference_token); - break; - } - - case detail::value_t::array: - { - if (reference_token == "-") - { - // explicitly treat "-" as index beyond the end - ptr = &ptr->operator[](ptr->m_value.array->size()); - } - else - { - // convert array index to number; unchecked access - ptr = &ptr->operator[](array_index(reference_token)); - } - break; - } - - default: - JSON_THROW(detail::out_of_range::create(404, "unresolved reference token '" + reference_token + "'")); - } - } - - return *ptr; - } - - /*! - @throw parse_error.106 if an array index begins with '0' - @throw parse_error.109 if an array index was not a number - @throw out_of_range.402 if the array index '-' is used - @throw out_of_range.404 if the JSON pointer can not be resolved - */ - BasicJsonType& get_checked(BasicJsonType* ptr) const - { - for (const auto& reference_token : reference_tokens) - { - switch (ptr->type()) - { - case detail::value_t::object: - { - // note: at performs range check - ptr = &ptr->at(reference_token); - break; - } - - case detail::value_t::array: - { - if (JSON_HEDLEY_UNLIKELY(reference_token == "-")) - { - // "-" always fails the range check - JSON_THROW(detail::out_of_range::create(402, - "array index '-' (" + std::to_string(ptr->m_value.array->size()) + - ") is out of range")); - } - - // note: at performs range check - ptr = &ptr->at(array_index(reference_token)); - break; - } - - default: - JSON_THROW(detail::out_of_range::create(404, "unresolved reference token '" + reference_token + "'")); - } - } - - return *ptr; - } - - /*! - @brief return a const reference to the pointed to value - - @param[in] ptr a JSON value - - @return const reference to the JSON value pointed to by the JSON - pointer - - @throw parse_error.106 if an array index begins with '0' - @throw parse_error.109 if an array index was not a number - @throw out_of_range.402 if the array index '-' is used - @throw out_of_range.404 if the JSON pointer can not be resolved - */ - const BasicJsonType& get_unchecked(const BasicJsonType* ptr) const - { - for (const auto& reference_token : reference_tokens) - { - switch (ptr->type()) - { - case detail::value_t::object: - { - // use unchecked object access - ptr = &ptr->operator[](reference_token); - break; - } - - case detail::value_t::array: - { - if (JSON_HEDLEY_UNLIKELY(reference_token == "-")) - { - // "-" cannot be used for const access - JSON_THROW(detail::out_of_range::create(402, - "array index '-' (" + std::to_string(ptr->m_value.array->size()) + - ") is out of range")); - } - - // use unchecked array access - ptr = &ptr->operator[](array_index(reference_token)); - break; - } - - default: - JSON_THROW(detail::out_of_range::create(404, "unresolved reference token '" + reference_token + "'")); - } - } - - return *ptr; - } - - /*! - @throw parse_error.106 if an array index begins with '0' - @throw parse_error.109 if an array index was not a number - @throw out_of_range.402 if the array index '-' is used - @throw out_of_range.404 if the JSON pointer can not be resolved - */ - const BasicJsonType& get_checked(const BasicJsonType* ptr) const - { - for (const auto& reference_token : reference_tokens) - { - switch (ptr->type()) - { - case detail::value_t::object: - { - // note: at performs range check - ptr = &ptr->at(reference_token); - break; - } - - case detail::value_t::array: - { - if (JSON_HEDLEY_UNLIKELY(reference_token == "-")) - { - // "-" always fails the range check - JSON_THROW(detail::out_of_range::create(402, - "array index '-' (" + std::to_string(ptr->m_value.array->size()) + - ") is out of range")); - } - - // note: at performs range check - ptr = &ptr->at(array_index(reference_token)); - break; - } - - default: - JSON_THROW(detail::out_of_range::create(404, "unresolved reference token '" + reference_token + "'")); - } - } - - return *ptr; - } - - /*! - @throw parse_error.106 if an array index begins with '0' - @throw parse_error.109 if an array index was not a number - */ - bool contains(const BasicJsonType* ptr) const - { - for (const auto& reference_token : reference_tokens) - { - switch (ptr->type()) - { - case detail::value_t::object: - { - if (!ptr->contains(reference_token)) - { - // we did not find the key in the object - return false; - } - - ptr = &ptr->operator[](reference_token); - break; - } - - case detail::value_t::array: - { - if (JSON_HEDLEY_UNLIKELY(reference_token == "-")) - { - // "-" always fails the range check - return false; - } - if (JSON_HEDLEY_UNLIKELY(reference_token.size() == 1 && !("0" <= reference_token && reference_token <= "9"))) - { - // invalid char - return false; - } - if (JSON_HEDLEY_UNLIKELY(reference_token.size() > 1)) - { - if (JSON_HEDLEY_UNLIKELY(!('1' <= reference_token[0] && reference_token[0] <= '9'))) - { - // first char should be between '1' and '9' - return false; - } - for (std::size_t i = 1; i < reference_token.size(); i++) - { - if (JSON_HEDLEY_UNLIKELY(!('0' <= reference_token[i] && reference_token[i] <= '9'))) - { - // other char should be between '0' and '9' - return false; - } - } - } - - const auto idx = array_index(reference_token); - if (idx >= ptr->size()) - { - // index out of range - return false; - } - - ptr = &ptr->operator[](idx); - break; - } - - default: - { - // we do not expect primitive values if there is still a - // reference token to process - return false; - } - } - } - - // no reference token left means we found a primitive value - return true; - } - - /*! - @brief split the string input to reference tokens - - @note This function is only called by the json_pointer constructor. - All exceptions below are documented there. - - @throw parse_error.107 if the pointer is not empty or begins with '/' - @throw parse_error.108 if character '~' is not followed by '0' or '1' - */ - static std::vector split(const std::string& reference_string) - { - std::vector result; - - // special case: empty reference string -> no reference tokens - if (reference_string.empty()) - { - return result; - } - - // check if nonempty reference string begins with slash - if (JSON_HEDLEY_UNLIKELY(reference_string[0] != '/')) - { - JSON_THROW(detail::parse_error::create(107, 1, - "JSON pointer must be empty or begin with '/' - was: '" + - reference_string + "'")); - } - - // extract the reference tokens: - // - slash: position of the last read slash (or end of string) - // - start: position after the previous slash - for ( - // search for the first slash after the first character - std::size_t slash = reference_string.find_first_of('/', 1), - // set the beginning of the first reference token - start = 1; - // we can stop if start == 0 (if slash == std::string::npos) - start != 0; - // set the beginning of the next reference token - // (will eventually be 0 if slash == std::string::npos) - start = (slash == std::string::npos) ? 0 : slash + 1, - // find next slash - slash = reference_string.find_first_of('/', start)) - { - // use the text between the beginning of the reference token - // (start) and the last slash (slash). - auto reference_token = reference_string.substr(start, slash - start); - - // check reference tokens are properly escaped - for (std::size_t pos = reference_token.find_first_of('~'); - pos != std::string::npos; - pos = reference_token.find_first_of('~', pos + 1)) - { - JSON_ASSERT(reference_token[pos] == '~'); - - // ~ must be followed by 0 or 1 - if (JSON_HEDLEY_UNLIKELY(pos == reference_token.size() - 1 || - (reference_token[pos + 1] != '0' && - reference_token[pos + 1] != '1'))) - { - JSON_THROW(detail::parse_error::create(108, 0, "escape character '~' must be followed with '0' or '1'")); - } - } - - // finally, store the reference token - unescape(reference_token); - result.push_back(reference_token); - } - - return result; - } - - /*! - @brief replace all occurrences of a substring by another string - - @param[in,out] s the string to manipulate; changed so that all - occurrences of @a f are replaced with @a t - @param[in] f the substring to replace with @a t - @param[in] t the string to replace @a f - - @pre The search string @a f must not be empty. **This precondition is - enforced with an assertion.** - - @since version 2.0.0 - */ - static void replace_substring(std::string& s, const std::string& f, - const std::string& t) - { - JSON_ASSERT(!f.empty()); - for (auto pos = s.find(f); // find first occurrence of f - pos != std::string::npos; // make sure f was found - s.replace(pos, f.size(), t), // replace with t, and - pos = s.find(f, pos + t.size())) // find next occurrence of f - {} - } - - /// escape "~" to "~0" and "/" to "~1" - static std::string escape(std::string s) - { - replace_substring(s, "~", "~0"); - replace_substring(s, "/", "~1"); - return s; - } - - /// unescape "~1" to tilde and "~0" to slash (order is important!) - static void unescape(std::string& s) - { - replace_substring(s, "~1", "/"); - replace_substring(s, "~0", "~"); - } - - /*! - @param[in] reference_string the reference string to the current value - @param[in] value the value to consider - @param[in,out] result the result object to insert values to - - @note Empty objects or arrays are flattened to `null`. - */ - static void flatten(const std::string& reference_string, - const BasicJsonType& value, - BasicJsonType& result) - { - switch (value.type()) - { - case detail::value_t::array: - { - if (value.m_value.array->empty()) - { - // flatten empty array as null - result[reference_string] = nullptr; - } - else - { - // iterate array and use index as reference string - for (std::size_t i = 0; i < value.m_value.array->size(); ++i) - { - flatten(reference_string + "/" + std::to_string(i), - value.m_value.array->operator[](i), result); - } - } - break; - } - - case detail::value_t::object: - { - if (value.m_value.object->empty()) - { - // flatten empty object as null - result[reference_string] = nullptr; - } - else - { - // iterate object and use keys as reference string - for (const auto& element : *value.m_value.object) - { - flatten(reference_string + "/" + escape(element.first), element.second, result); - } - } - break; - } - - default: - { - // add primitive value with its reference string - result[reference_string] = value; - break; - } - } - } - - /*! - @param[in] value flattened JSON - - @return unflattened JSON - - @throw parse_error.109 if array index is not a number - @throw type_error.314 if value is not an object - @throw type_error.315 if object values are not primitive - @throw type_error.313 if value cannot be unflattened - */ - static BasicJsonType - unflatten(const BasicJsonType& value) - { - if (JSON_HEDLEY_UNLIKELY(!value.is_object())) - { - JSON_THROW(detail::type_error::create(314, "only objects can be unflattened")); - } - - BasicJsonType result; - - // iterate the JSON object values - for (const auto& element : *value.m_value.object) - { - if (JSON_HEDLEY_UNLIKELY(!element.second.is_primitive())) - { - JSON_THROW(detail::type_error::create(315, "values in object must be primitive")); - } - - // assign value to reference pointed to by JSON pointer; Note that if - // the JSON pointer is "" (i.e., points to the whole value), function - // get_and_create returns a reference to result itself. An assignment - // will then create a primitive value. - json_pointer(element.first).get_and_create(result) = element.second; - } - - return result; - } - - /*! - @brief compares two JSON pointers for equality - - @param[in] lhs JSON pointer to compare - @param[in] rhs JSON pointer to compare - @return whether @a lhs is equal to @a rhs - - @complexity Linear in the length of the JSON pointer - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - */ - friend bool operator==(json_pointer const& lhs, - json_pointer const& rhs) noexcept - { - return lhs.reference_tokens == rhs.reference_tokens; - } - - /*! - @brief compares two JSON pointers for inequality - - @param[in] lhs JSON pointer to compare - @param[in] rhs JSON pointer to compare - @return whether @a lhs is not equal @a rhs - - @complexity Linear in the length of the JSON pointer - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - */ - friend bool operator!=(json_pointer const& lhs, - json_pointer const& rhs) noexcept - { - return !(lhs == rhs); - } - - /// the reference tokens - std::vector reference_tokens; -}; -} // namespace nlohmann - -// #include - - -#include -#include - -// #include - - -namespace nlohmann -{ -namespace detail -{ -template -class json_ref -{ - public: - using value_type = BasicJsonType; - - json_ref(value_type&& value) - : owned_value(std::move(value)) - , value_ref(&owned_value) - , is_rvalue(true) - {} - - json_ref(const value_type& value) - : value_ref(const_cast(&value)) - , is_rvalue(false) - {} - - json_ref(std::initializer_list init) - : owned_value(init) - , value_ref(&owned_value) - , is_rvalue(true) - {} - - template < - class... Args, - enable_if_t::value, int> = 0 > - json_ref(Args && ... args) - : owned_value(std::forward(args)...) - , value_ref(&owned_value) - , is_rvalue(true) - {} - - // class should be movable only - json_ref(json_ref&&) = default; - json_ref(const json_ref&) = delete; - json_ref& operator=(const json_ref&) = delete; - json_ref& operator=(json_ref&&) = delete; - ~json_ref() = default; - - value_type moved_or_copied() const - { - if (is_rvalue) - { - return std::move(*value_ref); - } - return *value_ref; - } - - value_type const& operator*() const - { - return *static_cast(value_ref); - } - - value_type const* operator->() const - { - return static_cast(value_ref); - } - - private: - mutable value_type owned_value = nullptr; - value_type* value_ref = nullptr; - const bool is_rvalue = true; -}; -} // namespace detail -} // namespace nlohmann - -// #include - -// #include - -// #include - -// #include - - -#include // reverse -#include // array -#include // uint8_t, uint16_t, uint32_t, uint64_t -#include // memcpy -#include // numeric_limits -#include // string -#include // isnan, isinf - -// #include - -// #include - -// #include - - -#include // copy -#include // size_t -#include // streamsize -#include // back_inserter -#include // shared_ptr, make_shared -#include // basic_ostream -#include // basic_string -#include // vector -// #include - - -namespace nlohmann -{ -namespace detail -{ -/// abstract output adapter interface -template struct output_adapter_protocol -{ - virtual void write_character(CharType c) = 0; - virtual void write_characters(const CharType* s, std::size_t length) = 0; - virtual ~output_adapter_protocol() = default; -}; - -/// a type to simplify interfaces -template -using output_adapter_t = std::shared_ptr>; - -/// output adapter for byte vectors -template -class output_vector_adapter : public output_adapter_protocol -{ - public: - explicit output_vector_adapter(std::vector& vec) noexcept - : v(vec) - {} - - void write_character(CharType c) override - { - v.push_back(c); - } - - JSON_HEDLEY_NON_NULL(2) - void write_characters(const CharType* s, std::size_t length) override - { - std::copy(s, s + length, std::back_inserter(v)); - } - - private: - std::vector& v; -}; - -/// output adapter for output streams -template -class output_stream_adapter : public output_adapter_protocol -{ - public: - explicit output_stream_adapter(std::basic_ostream& s) noexcept - : stream(s) - {} - - void write_character(CharType c) override - { - stream.put(c); - } - - JSON_HEDLEY_NON_NULL(2) - void write_characters(const CharType* s, std::size_t length) override - { - stream.write(s, static_cast(length)); - } - - private: - std::basic_ostream& stream; -}; - -/// output adapter for basic_string -template> -class output_string_adapter : public output_adapter_protocol -{ - public: - explicit output_string_adapter(StringType& s) noexcept - : str(s) - {} - - void write_character(CharType c) override - { - str.push_back(c); - } - - JSON_HEDLEY_NON_NULL(2) - void write_characters(const CharType* s, std::size_t length) override - { - str.append(s, length); - } - - private: - StringType& str; -}; - -template> -class output_adapter -{ - public: - output_adapter(std::vector& vec) - : oa(std::make_shared>(vec)) {} - - output_adapter(std::basic_ostream& s) - : oa(std::make_shared>(s)) {} - - output_adapter(StringType& s) - : oa(std::make_shared>(s)) {} - - operator output_adapter_t() - { - return oa; - } - - private: - output_adapter_t oa = nullptr; -}; -} // namespace detail -} // namespace nlohmann - - -namespace nlohmann -{ -namespace detail -{ -/////////////////// -// binary writer // -/////////////////// - -/*! -@brief serialization to CBOR and MessagePack values -*/ -template -class binary_writer -{ - using string_t = typename BasicJsonType::string_t; - using binary_t = typename BasicJsonType::binary_t; - using number_float_t = typename BasicJsonType::number_float_t; - - public: - /*! - @brief create a binary writer - - @param[in] adapter output adapter to write to - */ - explicit binary_writer(output_adapter_t adapter) : oa(adapter) - { - JSON_ASSERT(oa); - } - - /*! - @param[in] j JSON value to serialize - @pre j.type() == value_t::object - */ - void write_bson(const BasicJsonType& j) - { - switch (j.type()) - { - case value_t::object: - { - write_bson_object(*j.m_value.object); - break; - } - - default: - { - JSON_THROW(type_error::create(317, "to serialize to BSON, top-level type must be object, but is " + std::string(j.type_name()))); - } - } - } - - /*! - @param[in] j JSON value to serialize - */ - void write_cbor(const BasicJsonType& j) - { - switch (j.type()) - { - case value_t::null: - { - oa->write_character(to_char_type(0xF6)); - break; - } - - case value_t::boolean: - { - oa->write_character(j.m_value.boolean - ? to_char_type(0xF5) - : to_char_type(0xF4)); - break; - } - - case value_t::number_integer: - { - if (j.m_value.number_integer >= 0) - { - // CBOR does not differentiate between positive signed - // integers and unsigned integers. Therefore, we used the - // code from the value_t::number_unsigned case here. - if (j.m_value.number_integer <= 0x17) - { - write_number(static_cast(j.m_value.number_integer)); - } - else if (j.m_value.number_integer <= (std::numeric_limits::max)()) - { - oa->write_character(to_char_type(0x18)); - write_number(static_cast(j.m_value.number_integer)); - } - else if (j.m_value.number_integer <= (std::numeric_limits::max)()) - { - oa->write_character(to_char_type(0x19)); - write_number(static_cast(j.m_value.number_integer)); - } - else if (j.m_value.number_integer <= (std::numeric_limits::max)()) - { - oa->write_character(to_char_type(0x1A)); - write_number(static_cast(j.m_value.number_integer)); - } - else - { - oa->write_character(to_char_type(0x1B)); - write_number(static_cast(j.m_value.number_integer)); - } - } - else - { - // The conversions below encode the sign in the first - // byte, and the value is converted to a positive number. - const auto positive_number = -1 - j.m_value.number_integer; - if (j.m_value.number_integer >= -24) - { - write_number(static_cast(0x20 + positive_number)); - } - else if (positive_number <= (std::numeric_limits::max)()) - { - oa->write_character(to_char_type(0x38)); - write_number(static_cast(positive_number)); - } - else if (positive_number <= (std::numeric_limits::max)()) - { - oa->write_character(to_char_type(0x39)); - write_number(static_cast(positive_number)); - } - else if (positive_number <= (std::numeric_limits::max)()) - { - oa->write_character(to_char_type(0x3A)); - write_number(static_cast(positive_number)); - } - else - { - oa->write_character(to_char_type(0x3B)); - write_number(static_cast(positive_number)); - } - } - break; - } - - case value_t::number_unsigned: - { - if (j.m_value.number_unsigned <= 0x17) - { - write_number(static_cast(j.m_value.number_unsigned)); - } - else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) - { - oa->write_character(to_char_type(0x18)); - write_number(static_cast(j.m_value.number_unsigned)); - } - else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) - { - oa->write_character(to_char_type(0x19)); - write_number(static_cast(j.m_value.number_unsigned)); - } - else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) - { - oa->write_character(to_char_type(0x1A)); - write_number(static_cast(j.m_value.number_unsigned)); - } - else - { - oa->write_character(to_char_type(0x1B)); - write_number(static_cast(j.m_value.number_unsigned)); - } - break; - } - - case value_t::number_float: - { - if (std::isnan(j.m_value.number_float)) - { - // NaN is 0xf97e00 in CBOR - oa->write_character(to_char_type(0xF9)); - oa->write_character(to_char_type(0x7E)); - oa->write_character(to_char_type(0x00)); - } - else if (std::isinf(j.m_value.number_float)) - { - // Infinity is 0xf97c00, -Infinity is 0xf9fc00 - oa->write_character(to_char_type(0xf9)); - oa->write_character(j.m_value.number_float > 0 ? to_char_type(0x7C) : to_char_type(0xFC)); - oa->write_character(to_char_type(0x00)); - } - else - { - write_compact_float(j.m_value.number_float, detail::input_format_t::cbor); - } - break; - } - - case value_t::string: - { - // step 1: write control byte and the string length - const auto N = j.m_value.string->size(); - if (N <= 0x17) - { - write_number(static_cast(0x60 + N)); - } - else if (N <= (std::numeric_limits::max)()) - { - oa->write_character(to_char_type(0x78)); - write_number(static_cast(N)); - } - else if (N <= (std::numeric_limits::max)()) - { - oa->write_character(to_char_type(0x79)); - write_number(static_cast(N)); - } - else if (N <= (std::numeric_limits::max)()) - { - oa->write_character(to_char_type(0x7A)); - write_number(static_cast(N)); - } - // LCOV_EXCL_START - else if (N <= (std::numeric_limits::max)()) - { - oa->write_character(to_char_type(0x7B)); - write_number(static_cast(N)); - } - // LCOV_EXCL_STOP - - // step 2: write the string - oa->write_characters( - reinterpret_cast(j.m_value.string->c_str()), - j.m_value.string->size()); - break; - } - - case value_t::array: - { - // step 1: write control byte and the array size - const auto N = j.m_value.array->size(); - if (N <= 0x17) - { - write_number(static_cast(0x80 + N)); - } - else if (N <= (std::numeric_limits::max)()) - { - oa->write_character(to_char_type(0x98)); - write_number(static_cast(N)); - } - else if (N <= (std::numeric_limits::max)()) - { - oa->write_character(to_char_type(0x99)); - write_number(static_cast(N)); - } - else if (N <= (std::numeric_limits::max)()) - { - oa->write_character(to_char_type(0x9A)); - write_number(static_cast(N)); - } - // LCOV_EXCL_START - else if (N <= (std::numeric_limits::max)()) - { - oa->write_character(to_char_type(0x9B)); - write_number(static_cast(N)); - } - // LCOV_EXCL_STOP - - // step 2: write each element - for (const auto& el : *j.m_value.array) - { - write_cbor(el); - } - break; - } - - case value_t::binary: - { - if (j.m_value.binary->has_subtype()) - { - write_number(static_cast(0xd8)); - write_number(j.m_value.binary->subtype()); - } - - // step 1: write control byte and the binary array size - const auto N = j.m_value.binary->size(); - if (N <= 0x17) - { - write_number(static_cast(0x40 + N)); - } - else if (N <= (std::numeric_limits::max)()) - { - oa->write_character(to_char_type(0x58)); - write_number(static_cast(N)); - } - else if (N <= (std::numeric_limits::max)()) - { - oa->write_character(to_char_type(0x59)); - write_number(static_cast(N)); - } - else if (N <= (std::numeric_limits::max)()) - { - oa->write_character(to_char_type(0x5A)); - write_number(static_cast(N)); - } - // LCOV_EXCL_START - else if (N <= (std::numeric_limits::max)()) - { - oa->write_character(to_char_type(0x5B)); - write_number(static_cast(N)); - } - // LCOV_EXCL_STOP - - // step 2: write each element - oa->write_characters( - reinterpret_cast(j.m_value.binary->data()), - N); - - break; - } - - case value_t::object: - { - // step 1: write control byte and the object size - const auto N = j.m_value.object->size(); - if (N <= 0x17) - { - write_number(static_cast(0xA0 + N)); - } - else if (N <= (std::numeric_limits::max)()) - { - oa->write_character(to_char_type(0xB8)); - write_number(static_cast(N)); - } - else if (N <= (std::numeric_limits::max)()) - { - oa->write_character(to_char_type(0xB9)); - write_number(static_cast(N)); - } - else if (N <= (std::numeric_limits::max)()) - { - oa->write_character(to_char_type(0xBA)); - write_number(static_cast(N)); - } - // LCOV_EXCL_START - else if (N <= (std::numeric_limits::max)()) - { - oa->write_character(to_char_type(0xBB)); - write_number(static_cast(N)); - } - // LCOV_EXCL_STOP - - // step 2: write each element - for (const auto& el : *j.m_value.object) - { - write_cbor(el.first); - write_cbor(el.second); - } - break; - } - - default: - break; - } - } - - /*! - @param[in] j JSON value to serialize - */ - void write_msgpack(const BasicJsonType& j) - { - switch (j.type()) - { - case value_t::null: // nil - { - oa->write_character(to_char_type(0xC0)); - break; - } - - case value_t::boolean: // true and false - { - oa->write_character(j.m_value.boolean - ? to_char_type(0xC3) - : to_char_type(0xC2)); - break; - } - - case value_t::number_integer: - { - if (j.m_value.number_integer >= 0) - { - // MessagePack does not differentiate between positive - // signed integers and unsigned integers. Therefore, we used - // the code from the value_t::number_unsigned case here. - if (j.m_value.number_unsigned < 128) - { - // positive fixnum - write_number(static_cast(j.m_value.number_integer)); - } - else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) - { - // uint 8 - oa->write_character(to_char_type(0xCC)); - write_number(static_cast(j.m_value.number_integer)); - } - else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) - { - // uint 16 - oa->write_character(to_char_type(0xCD)); - write_number(static_cast(j.m_value.number_integer)); - } - else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) - { - // uint 32 - oa->write_character(to_char_type(0xCE)); - write_number(static_cast(j.m_value.number_integer)); - } - else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) - { - // uint 64 - oa->write_character(to_char_type(0xCF)); - write_number(static_cast(j.m_value.number_integer)); - } - } - else - { - if (j.m_value.number_integer >= -32) - { - // negative fixnum - write_number(static_cast(j.m_value.number_integer)); - } - else if (j.m_value.number_integer >= (std::numeric_limits::min)() && - j.m_value.number_integer <= (std::numeric_limits::max)()) - { - // int 8 - oa->write_character(to_char_type(0xD0)); - write_number(static_cast(j.m_value.number_integer)); - } - else if (j.m_value.number_integer >= (std::numeric_limits::min)() && - j.m_value.number_integer <= (std::numeric_limits::max)()) - { - // int 16 - oa->write_character(to_char_type(0xD1)); - write_number(static_cast(j.m_value.number_integer)); - } - else if (j.m_value.number_integer >= (std::numeric_limits::min)() && - j.m_value.number_integer <= (std::numeric_limits::max)()) - { - // int 32 - oa->write_character(to_char_type(0xD2)); - write_number(static_cast(j.m_value.number_integer)); - } - else if (j.m_value.number_integer >= (std::numeric_limits::min)() && - j.m_value.number_integer <= (std::numeric_limits::max)()) - { - // int 64 - oa->write_character(to_char_type(0xD3)); - write_number(static_cast(j.m_value.number_integer)); - } - } - break; - } - - case value_t::number_unsigned: - { - if (j.m_value.number_unsigned < 128) - { - // positive fixnum - write_number(static_cast(j.m_value.number_integer)); - } - else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) - { - // uint 8 - oa->write_character(to_char_type(0xCC)); - write_number(static_cast(j.m_value.number_integer)); - } - else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) - { - // uint 16 - oa->write_character(to_char_type(0xCD)); - write_number(static_cast(j.m_value.number_integer)); - } - else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) - { - // uint 32 - oa->write_character(to_char_type(0xCE)); - write_number(static_cast(j.m_value.number_integer)); - } - else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) - { - // uint 64 - oa->write_character(to_char_type(0xCF)); - write_number(static_cast(j.m_value.number_integer)); - } - break; - } - - case value_t::number_float: - { - write_compact_float(j.m_value.number_float, detail::input_format_t::msgpack); - break; - } - - case value_t::string: - { - // step 1: write control byte and the string length - const auto N = j.m_value.string->size(); - if (N <= 31) - { - // fixstr - write_number(static_cast(0xA0 | N)); - } - else if (N <= (std::numeric_limits::max)()) - { - // str 8 - oa->write_character(to_char_type(0xD9)); - write_number(static_cast(N)); - } - else if (N <= (std::numeric_limits::max)()) - { - // str 16 - oa->write_character(to_char_type(0xDA)); - write_number(static_cast(N)); - } - else if (N <= (std::numeric_limits::max)()) - { - // str 32 - oa->write_character(to_char_type(0xDB)); - write_number(static_cast(N)); - } - - // step 2: write the string - oa->write_characters( - reinterpret_cast(j.m_value.string->c_str()), - j.m_value.string->size()); - break; - } - - case value_t::array: - { - // step 1: write control byte and the array size - const auto N = j.m_value.array->size(); - if (N <= 15) - { - // fixarray - write_number(static_cast(0x90 | N)); - } - else if (N <= (std::numeric_limits::max)()) - { - // array 16 - oa->write_character(to_char_type(0xDC)); - write_number(static_cast(N)); - } - else if (N <= (std::numeric_limits::max)()) - { - // array 32 - oa->write_character(to_char_type(0xDD)); - write_number(static_cast(N)); - } - - // step 2: write each element - for (const auto& el : *j.m_value.array) - { - write_msgpack(el); - } - break; - } - - case value_t::binary: - { - // step 0: determine if the binary type has a set subtype to - // determine whether or not to use the ext or fixext types - const bool use_ext = j.m_value.binary->has_subtype(); - - // step 1: write control byte and the byte string length - const auto N = j.m_value.binary->size(); - if (N <= (std::numeric_limits::max)()) - { - std::uint8_t output_type{}; - bool fixed = true; - if (use_ext) - { - switch (N) - { - case 1: - output_type = 0xD4; // fixext 1 - break; - case 2: - output_type = 0xD5; // fixext 2 - break; - case 4: - output_type = 0xD6; // fixext 4 - break; - case 8: - output_type = 0xD7; // fixext 8 - break; - case 16: - output_type = 0xD8; // fixext 16 - break; - default: - output_type = 0xC7; // ext 8 - fixed = false; - break; - } - - } - else - { - output_type = 0xC4; // bin 8 - fixed = false; - } - - oa->write_character(to_char_type(output_type)); - if (!fixed) - { - write_number(static_cast(N)); - } - } - else if (N <= (std::numeric_limits::max)()) - { - std::uint8_t output_type = use_ext - ? 0xC8 // ext 16 - : 0xC5; // bin 16 - - oa->write_character(to_char_type(output_type)); - write_number(static_cast(N)); - } - else if (N <= (std::numeric_limits::max)()) - { - std::uint8_t output_type = use_ext - ? 0xC9 // ext 32 - : 0xC6; // bin 32 - - oa->write_character(to_char_type(output_type)); - write_number(static_cast(N)); - } - - // step 1.5: if this is an ext type, write the subtype - if (use_ext) - { - write_number(static_cast(j.m_value.binary->subtype())); - } - - // step 2: write the byte string - oa->write_characters( - reinterpret_cast(j.m_value.binary->data()), - N); - - break; - } - - case value_t::object: - { - // step 1: write control byte and the object size - const auto N = j.m_value.object->size(); - if (N <= 15) - { - // fixmap - write_number(static_cast(0x80 | (N & 0xF))); - } - else if (N <= (std::numeric_limits::max)()) - { - // map 16 - oa->write_character(to_char_type(0xDE)); - write_number(static_cast(N)); - } - else if (N <= (std::numeric_limits::max)()) - { - // map 32 - oa->write_character(to_char_type(0xDF)); - write_number(static_cast(N)); - } - - // step 2: write each element - for (const auto& el : *j.m_value.object) - { - write_msgpack(el.first); - write_msgpack(el.second); - } - break; - } - - default: - break; - } - } - - /*! - @param[in] j JSON value to serialize - @param[in] use_count whether to use '#' prefixes (optimized format) - @param[in] use_type whether to use '$' prefixes (optimized format) - @param[in] add_prefix whether prefixes need to be used for this value - */ - void write_ubjson(const BasicJsonType& j, const bool use_count, - const bool use_type, const bool add_prefix = true) - { - switch (j.type()) - { - case value_t::null: - { - if (add_prefix) - { - oa->write_character(to_char_type('Z')); - } - break; - } - - case value_t::boolean: - { - if (add_prefix) - { - oa->write_character(j.m_value.boolean - ? to_char_type('T') - : to_char_type('F')); - } - break; - } - - case value_t::number_integer: - { - write_number_with_ubjson_prefix(j.m_value.number_integer, add_prefix); - break; - } - - case value_t::number_unsigned: - { - write_number_with_ubjson_prefix(j.m_value.number_unsigned, add_prefix); - break; - } - - case value_t::number_float: - { - write_number_with_ubjson_prefix(j.m_value.number_float, add_prefix); - break; - } - - case value_t::string: - { - if (add_prefix) - { - oa->write_character(to_char_type('S')); - } - write_number_with_ubjson_prefix(j.m_value.string->size(), true); - oa->write_characters( - reinterpret_cast(j.m_value.string->c_str()), - j.m_value.string->size()); - break; - } - - case value_t::array: - { - if (add_prefix) - { - oa->write_character(to_char_type('[')); - } - - bool prefix_required = true; - if (use_type && !j.m_value.array->empty()) - { - JSON_ASSERT(use_count); - const CharType first_prefix = ubjson_prefix(j.front()); - const bool same_prefix = std::all_of(j.begin() + 1, j.end(), - [this, first_prefix](const BasicJsonType & v) - { - return ubjson_prefix(v) == first_prefix; - }); - - if (same_prefix) - { - prefix_required = false; - oa->write_character(to_char_type('$')); - oa->write_character(first_prefix); - } - } - - if (use_count) - { - oa->write_character(to_char_type('#')); - write_number_with_ubjson_prefix(j.m_value.array->size(), true); - } - - for (const auto& el : *j.m_value.array) - { - write_ubjson(el, use_count, use_type, prefix_required); - } - - if (!use_count) - { - oa->write_character(to_char_type(']')); - } - - break; - } - - case value_t::binary: - { - if (add_prefix) - { - oa->write_character(to_char_type('[')); - } - - if (use_type && !j.m_value.binary->empty()) - { - JSON_ASSERT(use_count); - oa->write_character(to_char_type('$')); - oa->write_character('U'); - } - - if (use_count) - { - oa->write_character(to_char_type('#')); - write_number_with_ubjson_prefix(j.m_value.binary->size(), true); - } - - if (use_type) - { - oa->write_characters( - reinterpret_cast(j.m_value.binary->data()), - j.m_value.binary->size()); - } - else - { - for (size_t i = 0; i < j.m_value.binary->size(); ++i) - { - oa->write_character(to_char_type('U')); - oa->write_character(j.m_value.binary->data()[i]); - } - } - - if (!use_count) - { - oa->write_character(to_char_type(']')); - } - - break; - } - - case value_t::object: - { - if (add_prefix) - { - oa->write_character(to_char_type('{')); - } - - bool prefix_required = true; - if (use_type && !j.m_value.object->empty()) - { - JSON_ASSERT(use_count); - const CharType first_prefix = ubjson_prefix(j.front()); - const bool same_prefix = std::all_of(j.begin(), j.end(), - [this, first_prefix](const BasicJsonType & v) - { - return ubjson_prefix(v) == first_prefix; - }); - - if (same_prefix) - { - prefix_required = false; - oa->write_character(to_char_type('$')); - oa->write_character(first_prefix); - } - } - - if (use_count) - { - oa->write_character(to_char_type('#')); - write_number_with_ubjson_prefix(j.m_value.object->size(), true); - } - - for (const auto& el : *j.m_value.object) - { - write_number_with_ubjson_prefix(el.first.size(), true); - oa->write_characters( - reinterpret_cast(el.first.c_str()), - el.first.size()); - write_ubjson(el.second, use_count, use_type, prefix_required); - } - - if (!use_count) - { - oa->write_character(to_char_type('}')); - } - - break; - } - - default: - break; - } - } - - private: - ////////// - // BSON // - ////////// - - /*! - @return The size of a BSON document entry header, including the id marker - and the entry name size (and its null-terminator). - */ - static std::size_t calc_bson_entry_header_size(const string_t& name) - { - const auto it = name.find(static_cast(0)); - if (JSON_HEDLEY_UNLIKELY(it != BasicJsonType::string_t::npos)) - { - JSON_THROW(out_of_range::create(409, - "BSON key cannot contain code point U+0000 (at byte " + std::to_string(it) + ")")); - } - - return /*id*/ 1ul + name.size() + /*zero-terminator*/1u; - } - - /*! - @brief Writes the given @a element_type and @a name to the output adapter - */ - void write_bson_entry_header(const string_t& name, - const std::uint8_t element_type) - { - oa->write_character(to_char_type(element_type)); // boolean - oa->write_characters( - reinterpret_cast(name.c_str()), - name.size() + 1u); - } - - /*! - @brief Writes a BSON element with key @a name and boolean value @a value - */ - void write_bson_boolean(const string_t& name, - const bool value) - { - write_bson_entry_header(name, 0x08); - oa->write_character(value ? to_char_type(0x01) : to_char_type(0x00)); - } - - /*! - @brief Writes a BSON element with key @a name and double value @a value - */ - void write_bson_double(const string_t& name, - const double value) - { - write_bson_entry_header(name, 0x01); - write_number(value); - } - - /*! - @return The size of the BSON-encoded string in @a value - */ - static std::size_t calc_bson_string_size(const string_t& value) - { - return sizeof(std::int32_t) + value.size() + 1ul; - } - - /*! - @brief Writes a BSON element with key @a name and string value @a value - */ - void write_bson_string(const string_t& name, - const string_t& value) - { - write_bson_entry_header(name, 0x02); - - write_number(static_cast(value.size() + 1ul)); - oa->write_characters( - reinterpret_cast(value.c_str()), - value.size() + 1); - } - - /*! - @brief Writes a BSON element with key @a name and null value - */ - void write_bson_null(const string_t& name) - { - write_bson_entry_header(name, 0x0A); - } - - /*! - @return The size of the BSON-encoded integer @a value - */ - static std::size_t calc_bson_integer_size(const std::int64_t value) - { - return (std::numeric_limits::min)() <= value && value <= (std::numeric_limits::max)() - ? sizeof(std::int32_t) - : sizeof(std::int64_t); - } - - /*! - @brief Writes a BSON element with key @a name and integer @a value - */ - void write_bson_integer(const string_t& name, - const std::int64_t value) - { - if ((std::numeric_limits::min)() <= value && value <= (std::numeric_limits::max)()) - { - write_bson_entry_header(name, 0x10); // int32 - write_number(static_cast(value)); - } - else - { - write_bson_entry_header(name, 0x12); // int64 - write_number(static_cast(value)); - } - } - - /*! - @return The size of the BSON-encoded unsigned integer in @a j - */ - static constexpr std::size_t calc_bson_unsigned_size(const std::uint64_t value) noexcept - { - return (value <= static_cast((std::numeric_limits::max)())) - ? sizeof(std::int32_t) - : sizeof(std::int64_t); - } - - /*! - @brief Writes a BSON element with key @a name and unsigned @a value - */ - void write_bson_unsigned(const string_t& name, - const std::uint64_t value) - { - if (value <= static_cast((std::numeric_limits::max)())) - { - write_bson_entry_header(name, 0x10 /* int32 */); - write_number(static_cast(value)); - } - else if (value <= static_cast((std::numeric_limits::max)())) - { - write_bson_entry_header(name, 0x12 /* int64 */); - write_number(static_cast(value)); - } - else - { - JSON_THROW(out_of_range::create(407, "integer number " + std::to_string(value) + " cannot be represented by BSON as it does not fit int64")); - } - } - - /*! - @brief Writes a BSON element with key @a name and object @a value - */ - void write_bson_object_entry(const string_t& name, - const typename BasicJsonType::object_t& value) - { - write_bson_entry_header(name, 0x03); // object - write_bson_object(value); - } - - /*! - @return The size of the BSON-encoded array @a value - */ - static std::size_t calc_bson_array_size(const typename BasicJsonType::array_t& value) - { - std::size_t array_index = 0ul; - - const std::size_t embedded_document_size = std::accumulate(std::begin(value), std::end(value), std::size_t(0), [&array_index](std::size_t result, const typename BasicJsonType::array_t::value_type & el) - { - return result + calc_bson_element_size(std::to_string(array_index++), el); - }); - - return sizeof(std::int32_t) + embedded_document_size + 1ul; - } - - /*! - @return The size of the BSON-encoded binary array @a value - */ - static std::size_t calc_bson_binary_size(const typename BasicJsonType::binary_t& value) - { - return sizeof(std::int32_t) + value.size() + 1ul; - } - - /*! - @brief Writes a BSON element with key @a name and array @a value - */ - void write_bson_array(const string_t& name, - const typename BasicJsonType::array_t& value) - { - write_bson_entry_header(name, 0x04); // array - write_number(static_cast(calc_bson_array_size(value))); - - std::size_t array_index = 0ul; - - for (const auto& el : value) - { - write_bson_element(std::to_string(array_index++), el); - } - - oa->write_character(to_char_type(0x00)); - } - - /*! - @brief Writes a BSON element with key @a name and binary value @a value - */ - void write_bson_binary(const string_t& name, - const binary_t& value) - { - write_bson_entry_header(name, 0x05); - - write_number(static_cast(value.size())); - write_number(value.has_subtype() ? value.subtype() : std::uint8_t(0x00)); - - oa->write_characters(reinterpret_cast(value.data()), value.size()); - } - - /*! - @brief Calculates the size necessary to serialize the JSON value @a j with its @a name - @return The calculated size for the BSON document entry for @a j with the given @a name. - */ - static std::size_t calc_bson_element_size(const string_t& name, - const BasicJsonType& j) - { - const auto header_size = calc_bson_entry_header_size(name); - switch (j.type()) - { - case value_t::object: - return header_size + calc_bson_object_size(*j.m_value.object); - - case value_t::array: - return header_size + calc_bson_array_size(*j.m_value.array); - - case value_t::binary: - return header_size + calc_bson_binary_size(*j.m_value.binary); - - case value_t::boolean: - return header_size + 1ul; - - case value_t::number_float: - return header_size + 8ul; - - case value_t::number_integer: - return header_size + calc_bson_integer_size(j.m_value.number_integer); - - case value_t::number_unsigned: - return header_size + calc_bson_unsigned_size(j.m_value.number_unsigned); - - case value_t::string: - return header_size + calc_bson_string_size(*j.m_value.string); - - case value_t::null: - return header_size + 0ul; - - // LCOV_EXCL_START - default: - JSON_ASSERT(false); - return 0ul; - // LCOV_EXCL_STOP - } - } - - /*! - @brief Serializes the JSON value @a j to BSON and associates it with the - key @a name. - @param name The name to associate with the JSON entity @a j within the - current BSON document - @return The size of the BSON entry - */ - void write_bson_element(const string_t& name, - const BasicJsonType& j) - { - switch (j.type()) - { - case value_t::object: - return write_bson_object_entry(name, *j.m_value.object); - - case value_t::array: - return write_bson_array(name, *j.m_value.array); - - case value_t::binary: - return write_bson_binary(name, *j.m_value.binary); - - case value_t::boolean: - return write_bson_boolean(name, j.m_value.boolean); - - case value_t::number_float: - return write_bson_double(name, j.m_value.number_float); - - case value_t::number_integer: - return write_bson_integer(name, j.m_value.number_integer); - - case value_t::number_unsigned: - return write_bson_unsigned(name, j.m_value.number_unsigned); - - case value_t::string: - return write_bson_string(name, *j.m_value.string); - - case value_t::null: - return write_bson_null(name); - - // LCOV_EXCL_START - default: - JSON_ASSERT(false); - return; - // LCOV_EXCL_STOP - } - } - - /*! - @brief Calculates the size of the BSON serialization of the given - JSON-object @a j. - @param[in] j JSON value to serialize - @pre j.type() == value_t::object - */ - static std::size_t calc_bson_object_size(const typename BasicJsonType::object_t& value) - { - std::size_t document_size = std::accumulate(value.begin(), value.end(), std::size_t(0), - [](size_t result, const typename BasicJsonType::object_t::value_type & el) - { - return result += calc_bson_element_size(el.first, el.second); - }); - - return sizeof(std::int32_t) + document_size + 1ul; - } - - /*! - @param[in] j JSON value to serialize - @pre j.type() == value_t::object - */ - void write_bson_object(const typename BasicJsonType::object_t& value) - { - write_number(static_cast(calc_bson_object_size(value))); - - for (const auto& el : value) - { - write_bson_element(el.first, el.second); - } - - oa->write_character(to_char_type(0x00)); - } - - ////////// - // CBOR // - ////////// - - static constexpr CharType get_cbor_float_prefix(float /*unused*/) - { - return to_char_type(0xFA); // Single-Precision Float - } - - static constexpr CharType get_cbor_float_prefix(double /*unused*/) - { - return to_char_type(0xFB); // Double-Precision Float - } - - ///////////// - // MsgPack // - ///////////// - - static constexpr CharType get_msgpack_float_prefix(float /*unused*/) - { - return to_char_type(0xCA); // float 32 - } - - static constexpr CharType get_msgpack_float_prefix(double /*unused*/) - { - return to_char_type(0xCB); // float 64 - } - - //////////// - // UBJSON // - //////////// - - // UBJSON: write number (floating point) - template::value, int>::type = 0> - void write_number_with_ubjson_prefix(const NumberType n, - const bool add_prefix) - { - if (add_prefix) - { - oa->write_character(get_ubjson_float_prefix(n)); - } - write_number(n); - } - - // UBJSON: write number (unsigned integer) - template::value, int>::type = 0> - void write_number_with_ubjson_prefix(const NumberType n, - const bool add_prefix) - { - if (n <= static_cast((std::numeric_limits::max)())) - { - if (add_prefix) - { - oa->write_character(to_char_type('i')); // int8 - } - write_number(static_cast(n)); - } - else if (n <= (std::numeric_limits::max)()) - { - if (add_prefix) - { - oa->write_character(to_char_type('U')); // uint8 - } - write_number(static_cast(n)); - } - else if (n <= static_cast((std::numeric_limits::max)())) - { - if (add_prefix) - { - oa->write_character(to_char_type('I')); // int16 - } - write_number(static_cast(n)); - } - else if (n <= static_cast((std::numeric_limits::max)())) - { - if (add_prefix) - { - oa->write_character(to_char_type('l')); // int32 - } - write_number(static_cast(n)); - } - else if (n <= static_cast((std::numeric_limits::max)())) - { - if (add_prefix) - { - oa->write_character(to_char_type('L')); // int64 - } - write_number(static_cast(n)); - } - else - { - if (add_prefix) - { - oa->write_character(to_char_type('H')); // high-precision number - } - - const auto number = BasicJsonType(n).dump(); - write_number_with_ubjson_prefix(number.size(), true); - for (std::size_t i = 0; i < number.size(); ++i) - { - oa->write_character(to_char_type(static_cast(number[i]))); - } - } - } - - // UBJSON: write number (signed integer) - template < typename NumberType, typename std::enable_if < - std::is_signed::value&& - !std::is_floating_point::value, int >::type = 0 > - void write_number_with_ubjson_prefix(const NumberType n, - const bool add_prefix) - { - if ((std::numeric_limits::min)() <= n && n <= (std::numeric_limits::max)()) - { - if (add_prefix) - { - oa->write_character(to_char_type('i')); // int8 - } - write_number(static_cast(n)); - } - else if (static_cast((std::numeric_limits::min)()) <= n && n <= static_cast((std::numeric_limits::max)())) - { - if (add_prefix) - { - oa->write_character(to_char_type('U')); // uint8 - } - write_number(static_cast(n)); - } - else if ((std::numeric_limits::min)() <= n && n <= (std::numeric_limits::max)()) - { - if (add_prefix) - { - oa->write_character(to_char_type('I')); // int16 - } - write_number(static_cast(n)); - } - else if ((std::numeric_limits::min)() <= n && n <= (std::numeric_limits::max)()) - { - if (add_prefix) - { - oa->write_character(to_char_type('l')); // int32 - } - write_number(static_cast(n)); - } - else if ((std::numeric_limits::min)() <= n && n <= (std::numeric_limits::max)()) - { - if (add_prefix) - { - oa->write_character(to_char_type('L')); // int64 - } - write_number(static_cast(n)); - } - // LCOV_EXCL_START - else - { - if (add_prefix) - { - oa->write_character(to_char_type('H')); // high-precision number - } - - const auto number = BasicJsonType(n).dump(); - write_number_with_ubjson_prefix(number.size(), true); - for (std::size_t i = 0; i < number.size(); ++i) - { - oa->write_character(to_char_type(static_cast(number[i]))); - } - } - // LCOV_EXCL_STOP - } - - /*! - @brief determine the type prefix of container values - */ - CharType ubjson_prefix(const BasicJsonType& j) const noexcept - { - switch (j.type()) - { - case value_t::null: - return 'Z'; - - case value_t::boolean: - return j.m_value.boolean ? 'T' : 'F'; - - case value_t::number_integer: - { - if ((std::numeric_limits::min)() <= j.m_value.number_integer && j.m_value.number_integer <= (std::numeric_limits::max)()) - { - return 'i'; - } - if ((std::numeric_limits::min)() <= j.m_value.number_integer && j.m_value.number_integer <= (std::numeric_limits::max)()) - { - return 'U'; - } - if ((std::numeric_limits::min)() <= j.m_value.number_integer && j.m_value.number_integer <= (std::numeric_limits::max)()) - { - return 'I'; - } - if ((std::numeric_limits::min)() <= j.m_value.number_integer && j.m_value.number_integer <= (std::numeric_limits::max)()) - { - return 'l'; - } - if ((std::numeric_limits::min)() <= j.m_value.number_integer && j.m_value.number_integer <= (std::numeric_limits::max)()) - { - return 'L'; - } - // anything else is treated as high-precision number - return 'H'; // LCOV_EXCL_LINE - } - - case value_t::number_unsigned: - { - if (j.m_value.number_unsigned <= static_cast((std::numeric_limits::max)())) - { - return 'i'; - } - if (j.m_value.number_unsigned <= static_cast((std::numeric_limits::max)())) - { - return 'U'; - } - if (j.m_value.number_unsigned <= static_cast((std::numeric_limits::max)())) - { - return 'I'; - } - if (j.m_value.number_unsigned <= static_cast((std::numeric_limits::max)())) - { - return 'l'; - } - if (j.m_value.number_unsigned <= static_cast((std::numeric_limits::max)())) - { - return 'L'; - } - // anything else is treated as high-precision number - return 'H'; // LCOV_EXCL_LINE - } - - case value_t::number_float: - return get_ubjson_float_prefix(j.m_value.number_float); - - case value_t::string: - return 'S'; - - case value_t::array: // fallthrough - case value_t::binary: - return '['; - - case value_t::object: - return '{'; - - default: // discarded values - return 'N'; - } - } - - static constexpr CharType get_ubjson_float_prefix(float /*unused*/) - { - return 'd'; // float 32 - } - - static constexpr CharType get_ubjson_float_prefix(double /*unused*/) - { - return 'D'; // float 64 - } - - /////////////////////// - // Utility functions // - /////////////////////// - - /* - @brief write a number to output input - @param[in] n number of type @a NumberType - @tparam NumberType the type of the number - @tparam OutputIsLittleEndian Set to true if output data is - required to be little endian - - @note This function needs to respect the system's endianess, because bytes - in CBOR, MessagePack, and UBJSON are stored in network order (big - endian) and therefore need reordering on little endian systems. - */ - template - void write_number(const NumberType n) - { - // step 1: write number to array of length NumberType - std::array vec; - std::memcpy(vec.data(), &n, sizeof(NumberType)); - - // step 2: write array to output (with possible reordering) - if (is_little_endian != OutputIsLittleEndian) - { - // reverse byte order prior to conversion if necessary - std::reverse(vec.begin(), vec.end()); - } - - oa->write_characters(vec.data(), sizeof(NumberType)); - } - - void write_compact_float(const number_float_t n, detail::input_format_t format) - { - if (static_cast(n) >= static_cast(std::numeric_limits::lowest()) && - static_cast(n) <= static_cast((std::numeric_limits::max)()) && - static_cast(static_cast(n)) == static_cast(n)) - { - oa->write_character(format == detail::input_format_t::cbor - ? get_cbor_float_prefix(static_cast(n)) - : get_msgpack_float_prefix(static_cast(n))); - write_number(static_cast(n)); - } - else - { - oa->write_character(format == detail::input_format_t::cbor - ? get_cbor_float_prefix(n) - : get_msgpack_float_prefix(n)); - write_number(n); - } - } - - public: - // The following to_char_type functions are implement the conversion - // between uint8_t and CharType. In case CharType is not unsigned, - // such a conversion is required to allow values greater than 128. - // See for a discussion. - template < typename C = CharType, - enable_if_t < std::is_signed::value && std::is_signed::value > * = nullptr > - static constexpr CharType to_char_type(std::uint8_t x) noexcept - { - return *reinterpret_cast(&x); - } - - template < typename C = CharType, - enable_if_t < std::is_signed::value && std::is_unsigned::value > * = nullptr > - static CharType to_char_type(std::uint8_t x) noexcept - { - static_assert(sizeof(std::uint8_t) == sizeof(CharType), "size of CharType must be equal to std::uint8_t"); - static_assert(std::is_trivial::value, "CharType must be trivial"); - CharType result; - std::memcpy(&result, &x, sizeof(x)); - return result; - } - - template::value>* = nullptr> - static constexpr CharType to_char_type(std::uint8_t x) noexcept - { - return x; - } - - template < typename InputCharType, typename C = CharType, - enable_if_t < - std::is_signed::value && - std::is_signed::value && - std::is_same::type>::value - > * = nullptr > - static constexpr CharType to_char_type(InputCharType x) noexcept - { - return x; - } - - private: - /// whether we can assume little endianess - const bool is_little_endian = little_endianess(); - - /// the output - output_adapter_t oa = nullptr; -}; -} // namespace detail -} // namespace nlohmann - -// #include - -// #include - - -#include // reverse, remove, fill, find, none_of -#include // array -#include // localeconv, lconv -#include // labs, isfinite, isnan, signbit -#include // size_t, ptrdiff_t -#include // uint8_t -#include // snprintf -#include // numeric_limits -#include // string, char_traits -#include // is_same -#include // move - -// #include - - -#include // array -#include // signbit, isfinite -#include // intN_t, uintN_t -#include // memcpy, memmove -#include // numeric_limits -#include // conditional - -// #include - - -namespace nlohmann -{ -namespace detail -{ - -/*! -@brief implements the Grisu2 algorithm for binary to decimal floating-point -conversion. - -This implementation is a slightly modified version of the reference -implementation which may be obtained from -http://florian.loitsch.com/publications (bench.tar.gz). - -The code is distributed under the MIT license, Copyright (c) 2009 Florian Loitsch. - -For a detailed description of the algorithm see: - -[1] Loitsch, "Printing Floating-Point Numbers Quickly and Accurately with - Integers", Proceedings of the ACM SIGPLAN 2010 Conference on Programming - Language Design and Implementation, PLDI 2010 -[2] Burger, Dybvig, "Printing Floating-Point Numbers Quickly and Accurately", - Proceedings of the ACM SIGPLAN 1996 Conference on Programming Language - Design and Implementation, PLDI 1996 -*/ -namespace dtoa_impl -{ - -template -Target reinterpret_bits(const Source source) -{ - static_assert(sizeof(Target) == sizeof(Source), "size mismatch"); - - Target target; - std::memcpy(&target, &source, sizeof(Source)); - return target; -} - -struct diyfp // f * 2^e -{ - static constexpr int kPrecision = 64; // = q - - std::uint64_t f = 0; - int e = 0; - - constexpr diyfp(std::uint64_t f_, int e_) noexcept : f(f_), e(e_) {} - - /*! - @brief returns x - y - @pre x.e == y.e and x.f >= y.f - */ - static diyfp sub(const diyfp& x, const diyfp& y) noexcept - { - JSON_ASSERT(x.e == y.e); - JSON_ASSERT(x.f >= y.f); - - return {x.f - y.f, x.e}; - } - - /*! - @brief returns x * y - @note The result is rounded. (Only the upper q bits are returned.) - */ - static diyfp mul(const diyfp& x, const diyfp& y) noexcept - { - static_assert(kPrecision == 64, "internal error"); - - // Computes: - // f = round((x.f * y.f) / 2^q) - // e = x.e + y.e + q - - // Emulate the 64-bit * 64-bit multiplication: - // - // p = u * v - // = (u_lo + 2^32 u_hi) (v_lo + 2^32 v_hi) - // = (u_lo v_lo ) + 2^32 ((u_lo v_hi ) + (u_hi v_lo )) + 2^64 (u_hi v_hi ) - // = (p0 ) + 2^32 ((p1 ) + (p2 )) + 2^64 (p3 ) - // = (p0_lo + 2^32 p0_hi) + 2^32 ((p1_lo + 2^32 p1_hi) + (p2_lo + 2^32 p2_hi)) + 2^64 (p3 ) - // = (p0_lo ) + 2^32 (p0_hi + p1_lo + p2_lo ) + 2^64 (p1_hi + p2_hi + p3) - // = (p0_lo ) + 2^32 (Q ) + 2^64 (H ) - // = (p0_lo ) + 2^32 (Q_lo + 2^32 Q_hi ) + 2^64 (H ) - // - // (Since Q might be larger than 2^32 - 1) - // - // = (p0_lo + 2^32 Q_lo) + 2^64 (Q_hi + H) - // - // (Q_hi + H does not overflow a 64-bit int) - // - // = p_lo + 2^64 p_hi - - const std::uint64_t u_lo = x.f & 0xFFFFFFFFu; - const std::uint64_t u_hi = x.f >> 32u; - const std::uint64_t v_lo = y.f & 0xFFFFFFFFu; - const std::uint64_t v_hi = y.f >> 32u; - - const std::uint64_t p0 = u_lo * v_lo; - const std::uint64_t p1 = u_lo * v_hi; - const std::uint64_t p2 = u_hi * v_lo; - const std::uint64_t p3 = u_hi * v_hi; - - const std::uint64_t p0_hi = p0 >> 32u; - const std::uint64_t p1_lo = p1 & 0xFFFFFFFFu; - const std::uint64_t p1_hi = p1 >> 32u; - const std::uint64_t p2_lo = p2 & 0xFFFFFFFFu; - const std::uint64_t p2_hi = p2 >> 32u; - - std::uint64_t Q = p0_hi + p1_lo + p2_lo; - - // The full product might now be computed as - // - // p_hi = p3 + p2_hi + p1_hi + (Q >> 32) - // p_lo = p0_lo + (Q << 32) - // - // But in this particular case here, the full p_lo is not required. - // Effectively we only need to add the highest bit in p_lo to p_hi (and - // Q_hi + 1 does not overflow). - - Q += std::uint64_t{1} << (64u - 32u - 1u); // round, ties up - - const std::uint64_t h = p3 + p2_hi + p1_hi + (Q >> 32u); - - return {h, x.e + y.e + 64}; - } - - /*! - @brief normalize x such that the significand is >= 2^(q-1) - @pre x.f != 0 - */ - static diyfp normalize(diyfp x) noexcept - { - JSON_ASSERT(x.f != 0); - - while ((x.f >> 63u) == 0) - { - x.f <<= 1u; - x.e--; - } - - return x; - } - - /*! - @brief normalize x such that the result has the exponent E - @pre e >= x.e and the upper e - x.e bits of x.f must be zero. - */ - static diyfp normalize_to(const diyfp& x, const int target_exponent) noexcept - { - const int delta = x.e - target_exponent; - - JSON_ASSERT(delta >= 0); - JSON_ASSERT(((x.f << delta) >> delta) == x.f); - - return {x.f << delta, target_exponent}; - } -}; - -struct boundaries -{ - diyfp w; - diyfp minus; - diyfp plus; -}; - -/*! -Compute the (normalized) diyfp representing the input number 'value' and its -boundaries. - -@pre value must be finite and positive -*/ -template -boundaries compute_boundaries(FloatType value) -{ - JSON_ASSERT(std::isfinite(value)); - JSON_ASSERT(value > 0); - - // Convert the IEEE representation into a diyfp. - // - // If v is denormal: - // value = 0.F * 2^(1 - bias) = ( F) * 2^(1 - bias - (p-1)) - // If v is normalized: - // value = 1.F * 2^(E - bias) = (2^(p-1) + F) * 2^(E - bias - (p-1)) - - static_assert(std::numeric_limits::is_iec559, - "internal error: dtoa_short requires an IEEE-754 floating-point implementation"); - - constexpr int kPrecision = std::numeric_limits::digits; // = p (includes the hidden bit) - constexpr int kBias = std::numeric_limits::max_exponent - 1 + (kPrecision - 1); - constexpr int kMinExp = 1 - kBias; - constexpr std::uint64_t kHiddenBit = std::uint64_t{1} << (kPrecision - 1); // = 2^(p-1) - - using bits_type = typename std::conditional::type; - - const std::uint64_t bits = reinterpret_bits(value); - const std::uint64_t E = bits >> (kPrecision - 1); - const std::uint64_t F = bits & (kHiddenBit - 1); - - const bool is_denormal = E == 0; - const diyfp v = is_denormal - ? diyfp(F, kMinExp) - : diyfp(F + kHiddenBit, static_cast(E) - kBias); - - // Compute the boundaries m- and m+ of the floating-point value - // v = f * 2^e. - // - // Determine v- and v+, the floating-point predecessor and successor if v, - // respectively. - // - // v- = v - 2^e if f != 2^(p-1) or e == e_min (A) - // = v - 2^(e-1) if f == 2^(p-1) and e > e_min (B) - // - // v+ = v + 2^e - // - // Let m- = (v- + v) / 2 and m+ = (v + v+) / 2. All real numbers _strictly_ - // between m- and m+ round to v, regardless of how the input rounding - // algorithm breaks ties. - // - // ---+-------------+-------------+-------------+-------------+--- (A) - // v- m- v m+ v+ - // - // -----------------+------+------+-------------+-------------+--- (B) - // v- m- v m+ v+ - - const bool lower_boundary_is_closer = F == 0 && E > 1; - const diyfp m_plus = diyfp(2 * v.f + 1, v.e - 1); - const diyfp m_minus = lower_boundary_is_closer - ? diyfp(4 * v.f - 1, v.e - 2) // (B) - : diyfp(2 * v.f - 1, v.e - 1); // (A) - - // Determine the normalized w+ = m+. - const diyfp w_plus = diyfp::normalize(m_plus); - - // Determine w- = m- such that e_(w-) = e_(w+). - const diyfp w_minus = diyfp::normalize_to(m_minus, w_plus.e); - - return {diyfp::normalize(v), w_minus, w_plus}; -} - -// Given normalized diyfp w, Grisu needs to find a (normalized) cached -// power-of-ten c, such that the exponent of the product c * w = f * 2^e lies -// within a certain range [alpha, gamma] (Definition 3.2 from [1]) -// -// alpha <= e = e_c + e_w + q <= gamma -// -// or -// -// f_c * f_w * 2^alpha <= f_c 2^(e_c) * f_w 2^(e_w) * 2^q -// <= f_c * f_w * 2^gamma -// -// Since c and w are normalized, i.e. 2^(q-1) <= f < 2^q, this implies -// -// 2^(q-1) * 2^(q-1) * 2^alpha <= c * w * 2^q < 2^q * 2^q * 2^gamma -// -// or -// -// 2^(q - 2 + alpha) <= c * w < 2^(q + gamma) -// -// The choice of (alpha,gamma) determines the size of the table and the form of -// the digit generation procedure. Using (alpha,gamma)=(-60,-32) works out well -// in practice: -// -// The idea is to cut the number c * w = f * 2^e into two parts, which can be -// processed independently: An integral part p1, and a fractional part p2: -// -// f * 2^e = ( (f div 2^-e) * 2^-e + (f mod 2^-e) ) * 2^e -// = (f div 2^-e) + (f mod 2^-e) * 2^e -// = p1 + p2 * 2^e -// -// The conversion of p1 into decimal form requires a series of divisions and -// modulos by (a power of) 10. These operations are faster for 32-bit than for -// 64-bit integers, so p1 should ideally fit into a 32-bit integer. This can be -// achieved by choosing -// -// -e >= 32 or e <= -32 := gamma -// -// In order to convert the fractional part -// -// p2 * 2^e = p2 / 2^-e = d[-1] / 10^1 + d[-2] / 10^2 + ... -// -// into decimal form, the fraction is repeatedly multiplied by 10 and the digits -// d[-i] are extracted in order: -// -// (10 * p2) div 2^-e = d[-1] -// (10 * p2) mod 2^-e = d[-2] / 10^1 + ... -// -// The multiplication by 10 must not overflow. It is sufficient to choose -// -// 10 * p2 < 16 * p2 = 2^4 * p2 <= 2^64. -// -// Since p2 = f mod 2^-e < 2^-e, -// -// -e <= 60 or e >= -60 := alpha - -constexpr int kAlpha = -60; -constexpr int kGamma = -32; - -struct cached_power // c = f * 2^e ~= 10^k -{ - std::uint64_t f; - int e; - int k; -}; - -/*! -For a normalized diyfp w = f * 2^e, this function returns a (normalized) cached -power-of-ten c = f_c * 2^e_c, such that the exponent of the product w * c -satisfies (Definition 3.2 from [1]) - - alpha <= e_c + e + q <= gamma. -*/ -inline cached_power get_cached_power_for_binary_exponent(int e) -{ - // Now - // - // alpha <= e_c + e + q <= gamma (1) - // ==> f_c * 2^alpha <= c * 2^e * 2^q - // - // and since the c's are normalized, 2^(q-1) <= f_c, - // - // ==> 2^(q - 1 + alpha) <= c * 2^(e + q) - // ==> 2^(alpha - e - 1) <= c - // - // If c were an exact power of ten, i.e. c = 10^k, one may determine k as - // - // k = ceil( log_10( 2^(alpha - e - 1) ) ) - // = ceil( (alpha - e - 1) * log_10(2) ) - // - // From the paper: - // "In theory the result of the procedure could be wrong since c is rounded, - // and the computation itself is approximated [...]. In practice, however, - // this simple function is sufficient." - // - // For IEEE double precision floating-point numbers converted into - // normalized diyfp's w = f * 2^e, with q = 64, - // - // e >= -1022 (min IEEE exponent) - // -52 (p - 1) - // -52 (p - 1, possibly normalize denormal IEEE numbers) - // -11 (normalize the diyfp) - // = -1137 - // - // and - // - // e <= +1023 (max IEEE exponent) - // -52 (p - 1) - // -11 (normalize the diyfp) - // = 960 - // - // This binary exponent range [-1137,960] results in a decimal exponent - // range [-307,324]. One does not need to store a cached power for each - // k in this range. For each such k it suffices to find a cached power - // such that the exponent of the product lies in [alpha,gamma]. - // This implies that the difference of the decimal exponents of adjacent - // table entries must be less than or equal to - // - // floor( (gamma - alpha) * log_10(2) ) = 8. - // - // (A smaller distance gamma-alpha would require a larger table.) - - // NB: - // Actually this function returns c, such that -60 <= e_c + e + 64 <= -34. - - constexpr int kCachedPowersMinDecExp = -300; - constexpr int kCachedPowersDecStep = 8; - - static constexpr std::array kCachedPowers = - { - { - { 0xAB70FE17C79AC6CA, -1060, -300 }, - { 0xFF77B1FCBEBCDC4F, -1034, -292 }, - { 0xBE5691EF416BD60C, -1007, -284 }, - { 0x8DD01FAD907FFC3C, -980, -276 }, - { 0xD3515C2831559A83, -954, -268 }, - { 0x9D71AC8FADA6C9B5, -927, -260 }, - { 0xEA9C227723EE8BCB, -901, -252 }, - { 0xAECC49914078536D, -874, -244 }, - { 0x823C12795DB6CE57, -847, -236 }, - { 0xC21094364DFB5637, -821, -228 }, - { 0x9096EA6F3848984F, -794, -220 }, - { 0xD77485CB25823AC7, -768, -212 }, - { 0xA086CFCD97BF97F4, -741, -204 }, - { 0xEF340A98172AACE5, -715, -196 }, - { 0xB23867FB2A35B28E, -688, -188 }, - { 0x84C8D4DFD2C63F3B, -661, -180 }, - { 0xC5DD44271AD3CDBA, -635, -172 }, - { 0x936B9FCEBB25C996, -608, -164 }, - { 0xDBAC6C247D62A584, -582, -156 }, - { 0xA3AB66580D5FDAF6, -555, -148 }, - { 0xF3E2F893DEC3F126, -529, -140 }, - { 0xB5B5ADA8AAFF80B8, -502, -132 }, - { 0x87625F056C7C4A8B, -475, -124 }, - { 0xC9BCFF6034C13053, -449, -116 }, - { 0x964E858C91BA2655, -422, -108 }, - { 0xDFF9772470297EBD, -396, -100 }, - { 0xA6DFBD9FB8E5B88F, -369, -92 }, - { 0xF8A95FCF88747D94, -343, -84 }, - { 0xB94470938FA89BCF, -316, -76 }, - { 0x8A08F0F8BF0F156B, -289, -68 }, - { 0xCDB02555653131B6, -263, -60 }, - { 0x993FE2C6D07B7FAC, -236, -52 }, - { 0xE45C10C42A2B3B06, -210, -44 }, - { 0xAA242499697392D3, -183, -36 }, - { 0xFD87B5F28300CA0E, -157, -28 }, - { 0xBCE5086492111AEB, -130, -20 }, - { 0x8CBCCC096F5088CC, -103, -12 }, - { 0xD1B71758E219652C, -77, -4 }, - { 0x9C40000000000000, -50, 4 }, - { 0xE8D4A51000000000, -24, 12 }, - { 0xAD78EBC5AC620000, 3, 20 }, - { 0x813F3978F8940984, 30, 28 }, - { 0xC097CE7BC90715B3, 56, 36 }, - { 0x8F7E32CE7BEA5C70, 83, 44 }, - { 0xD5D238A4ABE98068, 109, 52 }, - { 0x9F4F2726179A2245, 136, 60 }, - { 0xED63A231D4C4FB27, 162, 68 }, - { 0xB0DE65388CC8ADA8, 189, 76 }, - { 0x83C7088E1AAB65DB, 216, 84 }, - { 0xC45D1DF942711D9A, 242, 92 }, - { 0x924D692CA61BE758, 269, 100 }, - { 0xDA01EE641A708DEA, 295, 108 }, - { 0xA26DA3999AEF774A, 322, 116 }, - { 0xF209787BB47D6B85, 348, 124 }, - { 0xB454E4A179DD1877, 375, 132 }, - { 0x865B86925B9BC5C2, 402, 140 }, - { 0xC83553C5C8965D3D, 428, 148 }, - { 0x952AB45CFA97A0B3, 455, 156 }, - { 0xDE469FBD99A05FE3, 481, 164 }, - { 0xA59BC234DB398C25, 508, 172 }, - { 0xF6C69A72A3989F5C, 534, 180 }, - { 0xB7DCBF5354E9BECE, 561, 188 }, - { 0x88FCF317F22241E2, 588, 196 }, - { 0xCC20CE9BD35C78A5, 614, 204 }, - { 0x98165AF37B2153DF, 641, 212 }, - { 0xE2A0B5DC971F303A, 667, 220 }, - { 0xA8D9D1535CE3B396, 694, 228 }, - { 0xFB9B7CD9A4A7443C, 720, 236 }, - { 0xBB764C4CA7A44410, 747, 244 }, - { 0x8BAB8EEFB6409C1A, 774, 252 }, - { 0xD01FEF10A657842C, 800, 260 }, - { 0x9B10A4E5E9913129, 827, 268 }, - { 0xE7109BFBA19C0C9D, 853, 276 }, - { 0xAC2820D9623BF429, 880, 284 }, - { 0x80444B5E7AA7CF85, 907, 292 }, - { 0xBF21E44003ACDD2D, 933, 300 }, - { 0x8E679C2F5E44FF8F, 960, 308 }, - { 0xD433179D9C8CB841, 986, 316 }, - { 0x9E19DB92B4E31BA9, 1013, 324 }, - } - }; - - // This computation gives exactly the same results for k as - // k = ceil((kAlpha - e - 1) * 0.30102999566398114) - // for |e| <= 1500, but doesn't require floating-point operations. - // NB: log_10(2) ~= 78913 / 2^18 - JSON_ASSERT(e >= -1500); - JSON_ASSERT(e <= 1500); - const int f = kAlpha - e - 1; - const int k = (f * 78913) / (1 << 18) + static_cast(f > 0); - - const int index = (-kCachedPowersMinDecExp + k + (kCachedPowersDecStep - 1)) / kCachedPowersDecStep; - JSON_ASSERT(index >= 0); - JSON_ASSERT(static_cast(index) < kCachedPowers.size()); - - const cached_power cached = kCachedPowers[static_cast(index)]; - JSON_ASSERT(kAlpha <= cached.e + e + 64); - JSON_ASSERT(kGamma >= cached.e + e + 64); - - return cached; -} - -/*! -For n != 0, returns k, such that pow10 := 10^(k-1) <= n < 10^k. -For n == 0, returns 1 and sets pow10 := 1. -*/ -inline int find_largest_pow10(const std::uint32_t n, std::uint32_t& pow10) -{ - // LCOV_EXCL_START - if (n >= 1000000000) - { - pow10 = 1000000000; - return 10; - } - // LCOV_EXCL_STOP - else if (n >= 100000000) - { - pow10 = 100000000; - return 9; - } - else if (n >= 10000000) - { - pow10 = 10000000; - return 8; - } - else if (n >= 1000000) - { - pow10 = 1000000; - return 7; - } - else if (n >= 100000) - { - pow10 = 100000; - return 6; - } - else if (n >= 10000) - { - pow10 = 10000; - return 5; - } - else if (n >= 1000) - { - pow10 = 1000; - return 4; - } - else if (n >= 100) - { - pow10 = 100; - return 3; - } - else if (n >= 10) - { - pow10 = 10; - return 2; - } - else - { - pow10 = 1; - return 1; - } -} - -inline void grisu2_round(char* buf, int len, std::uint64_t dist, std::uint64_t delta, - std::uint64_t rest, std::uint64_t ten_k) -{ - JSON_ASSERT(len >= 1); - JSON_ASSERT(dist <= delta); - JSON_ASSERT(rest <= delta); - JSON_ASSERT(ten_k > 0); - - // <--------------------------- delta ----> - // <---- dist ---------> - // --------------[------------------+-------------------]-------------- - // M- w M+ - // - // ten_k - // <------> - // <---- rest ----> - // --------------[------------------+----+--------------]-------------- - // w V - // = buf * 10^k - // - // ten_k represents a unit-in-the-last-place in the decimal representation - // stored in buf. - // Decrement buf by ten_k while this takes buf closer to w. - - // The tests are written in this order to avoid overflow in unsigned - // integer arithmetic. - - while (rest < dist - && delta - rest >= ten_k - && (rest + ten_k < dist || dist - rest > rest + ten_k - dist)) - { - JSON_ASSERT(buf[len - 1] != '0'); - buf[len - 1]--; - rest += ten_k; - } -} - -/*! -Generates V = buffer * 10^decimal_exponent, such that M- <= V <= M+. -M- and M+ must be normalized and share the same exponent -60 <= e <= -32. -*/ -inline void grisu2_digit_gen(char* buffer, int& length, int& decimal_exponent, - diyfp M_minus, diyfp w, diyfp M_plus) -{ - static_assert(kAlpha >= -60, "internal error"); - static_assert(kGamma <= -32, "internal error"); - - // Generates the digits (and the exponent) of a decimal floating-point - // number V = buffer * 10^decimal_exponent in the range [M-, M+]. The diyfp's - // w, M- and M+ share the same exponent e, which satisfies alpha <= e <= gamma. - // - // <--------------------------- delta ----> - // <---- dist ---------> - // --------------[------------------+-------------------]-------------- - // M- w M+ - // - // Grisu2 generates the digits of M+ from left to right and stops as soon as - // V is in [M-,M+]. - - JSON_ASSERT(M_plus.e >= kAlpha); - JSON_ASSERT(M_plus.e <= kGamma); - - std::uint64_t delta = diyfp::sub(M_plus, M_minus).f; // (significand of (M+ - M-), implicit exponent is e) - std::uint64_t dist = diyfp::sub(M_plus, w ).f; // (significand of (M+ - w ), implicit exponent is e) - - // Split M+ = f * 2^e into two parts p1 and p2 (note: e < 0): - // - // M+ = f * 2^e - // = ((f div 2^-e) * 2^-e + (f mod 2^-e)) * 2^e - // = ((p1 ) * 2^-e + (p2 )) * 2^e - // = p1 + p2 * 2^e - - const diyfp one(std::uint64_t{1} << -M_plus.e, M_plus.e); - - auto p1 = static_cast(M_plus.f >> -one.e); // p1 = f div 2^-e (Since -e >= 32, p1 fits into a 32-bit int.) - std::uint64_t p2 = M_plus.f & (one.f - 1); // p2 = f mod 2^-e - - // 1) - // - // Generate the digits of the integral part p1 = d[n-1]...d[1]d[0] - - JSON_ASSERT(p1 > 0); - - std::uint32_t pow10; - const int k = find_largest_pow10(p1, pow10); - - // 10^(k-1) <= p1 < 10^k, pow10 = 10^(k-1) - // - // p1 = (p1 div 10^(k-1)) * 10^(k-1) + (p1 mod 10^(k-1)) - // = (d[k-1] ) * 10^(k-1) + (p1 mod 10^(k-1)) - // - // M+ = p1 + p2 * 2^e - // = d[k-1] * 10^(k-1) + (p1 mod 10^(k-1)) + p2 * 2^e - // = d[k-1] * 10^(k-1) + ((p1 mod 10^(k-1)) * 2^-e + p2) * 2^e - // = d[k-1] * 10^(k-1) + ( rest) * 2^e - // - // Now generate the digits d[n] of p1 from left to right (n = k-1,...,0) - // - // p1 = d[k-1]...d[n] * 10^n + d[n-1]...d[0] - // - // but stop as soon as - // - // rest * 2^e = (d[n-1]...d[0] * 2^-e + p2) * 2^e <= delta * 2^e - - int n = k; - while (n > 0) - { - // Invariants: - // M+ = buffer * 10^n + (p1 + p2 * 2^e) (buffer = 0 for n = k) - // pow10 = 10^(n-1) <= p1 < 10^n - // - const std::uint32_t d = p1 / pow10; // d = p1 div 10^(n-1) - const std::uint32_t r = p1 % pow10; // r = p1 mod 10^(n-1) - // - // M+ = buffer * 10^n + (d * 10^(n-1) + r) + p2 * 2^e - // = (buffer * 10 + d) * 10^(n-1) + (r + p2 * 2^e) - // - JSON_ASSERT(d <= 9); - buffer[length++] = static_cast('0' + d); // buffer := buffer * 10 + d - // - // M+ = buffer * 10^(n-1) + (r + p2 * 2^e) - // - p1 = r; - n--; - // - // M+ = buffer * 10^n + (p1 + p2 * 2^e) - // pow10 = 10^n - // - - // Now check if enough digits have been generated. - // Compute - // - // p1 + p2 * 2^e = (p1 * 2^-e + p2) * 2^e = rest * 2^e - // - // Note: - // Since rest and delta share the same exponent e, it suffices to - // compare the significands. - const std::uint64_t rest = (std::uint64_t{p1} << -one.e) + p2; - if (rest <= delta) - { - // V = buffer * 10^n, with M- <= V <= M+. - - decimal_exponent += n; - - // We may now just stop. But instead look if the buffer could be - // decremented to bring V closer to w. - // - // pow10 = 10^n is now 1 ulp in the decimal representation V. - // The rounding procedure works with diyfp's with an implicit - // exponent of e. - // - // 10^n = (10^n * 2^-e) * 2^e = ulp * 2^e - // - const std::uint64_t ten_n = std::uint64_t{pow10} << -one.e; - grisu2_round(buffer, length, dist, delta, rest, ten_n); - - return; - } - - pow10 /= 10; - // - // pow10 = 10^(n-1) <= p1 < 10^n - // Invariants restored. - } - - // 2) - // - // The digits of the integral part have been generated: - // - // M+ = d[k-1]...d[1]d[0] + p2 * 2^e - // = buffer + p2 * 2^e - // - // Now generate the digits of the fractional part p2 * 2^e. - // - // Note: - // No decimal point is generated: the exponent is adjusted instead. - // - // p2 actually represents the fraction - // - // p2 * 2^e - // = p2 / 2^-e - // = d[-1] / 10^1 + d[-2] / 10^2 + ... - // - // Now generate the digits d[-m] of p1 from left to right (m = 1,2,...) - // - // p2 * 2^e = d[-1]d[-2]...d[-m] * 10^-m - // + 10^-m * (d[-m-1] / 10^1 + d[-m-2] / 10^2 + ...) - // - // using - // - // 10^m * p2 = ((10^m * p2) div 2^-e) * 2^-e + ((10^m * p2) mod 2^-e) - // = ( d) * 2^-e + ( r) - // - // or - // 10^m * p2 * 2^e = d + r * 2^e - // - // i.e. - // - // M+ = buffer + p2 * 2^e - // = buffer + 10^-m * (d + r * 2^e) - // = (buffer * 10^m + d) * 10^-m + 10^-m * r * 2^e - // - // and stop as soon as 10^-m * r * 2^e <= delta * 2^e - - JSON_ASSERT(p2 > delta); - - int m = 0; - for (;;) - { - // Invariant: - // M+ = buffer * 10^-m + 10^-m * (d[-m-1] / 10 + d[-m-2] / 10^2 + ...) * 2^e - // = buffer * 10^-m + 10^-m * (p2 ) * 2^e - // = buffer * 10^-m + 10^-m * (1/10 * (10 * p2) ) * 2^e - // = buffer * 10^-m + 10^-m * (1/10 * ((10*p2 div 2^-e) * 2^-e + (10*p2 mod 2^-e)) * 2^e - // - JSON_ASSERT(p2 <= (std::numeric_limits::max)() / 10); - p2 *= 10; - const std::uint64_t d = p2 >> -one.e; // d = (10 * p2) div 2^-e - const std::uint64_t r = p2 & (one.f - 1); // r = (10 * p2) mod 2^-e - // - // M+ = buffer * 10^-m + 10^-m * (1/10 * (d * 2^-e + r) * 2^e - // = buffer * 10^-m + 10^-m * (1/10 * (d + r * 2^e)) - // = (buffer * 10 + d) * 10^(-m-1) + 10^(-m-1) * r * 2^e - // - JSON_ASSERT(d <= 9); - buffer[length++] = static_cast('0' + d); // buffer := buffer * 10 + d - // - // M+ = buffer * 10^(-m-1) + 10^(-m-1) * r * 2^e - // - p2 = r; - m++; - // - // M+ = buffer * 10^-m + 10^-m * p2 * 2^e - // Invariant restored. - - // Check if enough digits have been generated. - // - // 10^-m * p2 * 2^e <= delta * 2^e - // p2 * 2^e <= 10^m * delta * 2^e - // p2 <= 10^m * delta - delta *= 10; - dist *= 10; - if (p2 <= delta) - { - break; - } - } - - // V = buffer * 10^-m, with M- <= V <= M+. - - decimal_exponent -= m; - - // 1 ulp in the decimal representation is now 10^-m. - // Since delta and dist are now scaled by 10^m, we need to do the - // same with ulp in order to keep the units in sync. - // - // 10^m * 10^-m = 1 = 2^-e * 2^e = ten_m * 2^e - // - const std::uint64_t ten_m = one.f; - grisu2_round(buffer, length, dist, delta, p2, ten_m); - - // By construction this algorithm generates the shortest possible decimal - // number (Loitsch, Theorem 6.2) which rounds back to w. - // For an input number of precision p, at least - // - // N = 1 + ceil(p * log_10(2)) - // - // decimal digits are sufficient to identify all binary floating-point - // numbers (Matula, "In-and-Out conversions"). - // This implies that the algorithm does not produce more than N decimal - // digits. - // - // N = 17 for p = 53 (IEEE double precision) - // N = 9 for p = 24 (IEEE single precision) -} - -/*! -v = buf * 10^decimal_exponent -len is the length of the buffer (number of decimal digits) -The buffer must be large enough, i.e. >= max_digits10. -*/ -JSON_HEDLEY_NON_NULL(1) -inline void grisu2(char* buf, int& len, int& decimal_exponent, - diyfp m_minus, diyfp v, diyfp m_plus) -{ - JSON_ASSERT(m_plus.e == m_minus.e); - JSON_ASSERT(m_plus.e == v.e); - - // --------(-----------------------+-----------------------)-------- (A) - // m- v m+ - // - // --------------------(-----------+-----------------------)-------- (B) - // m- v m+ - // - // First scale v (and m- and m+) such that the exponent is in the range - // [alpha, gamma]. - - const cached_power cached = get_cached_power_for_binary_exponent(m_plus.e); - - const diyfp c_minus_k(cached.f, cached.e); // = c ~= 10^-k - - // The exponent of the products is = v.e + c_minus_k.e + q and is in the range [alpha,gamma] - const diyfp w = diyfp::mul(v, c_minus_k); - const diyfp w_minus = diyfp::mul(m_minus, c_minus_k); - const diyfp w_plus = diyfp::mul(m_plus, c_minus_k); - - // ----(---+---)---------------(---+---)---------------(---+---)---- - // w- w w+ - // = c*m- = c*v = c*m+ - // - // diyfp::mul rounds its result and c_minus_k is approximated too. w, w- and - // w+ are now off by a small amount. - // In fact: - // - // w - v * 10^k < 1 ulp - // - // To account for this inaccuracy, add resp. subtract 1 ulp. - // - // --------+---[---------------(---+---)---------------]---+-------- - // w- M- w M+ w+ - // - // Now any number in [M-, M+] (bounds included) will round to w when input, - // regardless of how the input rounding algorithm breaks ties. - // - // And digit_gen generates the shortest possible such number in [M-, M+]. - // Note that this does not mean that Grisu2 always generates the shortest - // possible number in the interval (m-, m+). - const diyfp M_minus(w_minus.f + 1, w_minus.e); - const diyfp M_plus (w_plus.f - 1, w_plus.e ); - - decimal_exponent = -cached.k; // = -(-k) = k - - grisu2_digit_gen(buf, len, decimal_exponent, M_minus, w, M_plus); -} - -/*! -v = buf * 10^decimal_exponent -len is the length of the buffer (number of decimal digits) -The buffer must be large enough, i.e. >= max_digits10. -*/ -template -JSON_HEDLEY_NON_NULL(1) -void grisu2(char* buf, int& len, int& decimal_exponent, FloatType value) -{ - static_assert(diyfp::kPrecision >= std::numeric_limits::digits + 3, - "internal error: not enough precision"); - - JSON_ASSERT(std::isfinite(value)); - JSON_ASSERT(value > 0); - - // If the neighbors (and boundaries) of 'value' are always computed for double-precision - // numbers, all float's can be recovered using strtod (and strtof). However, the resulting - // decimal representations are not exactly "short". - // - // The documentation for 'std::to_chars' (https://en.cppreference.com/w/cpp/utility/to_chars) - // says "value is converted to a string as if by std::sprintf in the default ("C") locale" - // and since sprintf promotes float's to double's, I think this is exactly what 'std::to_chars' - // does. - // On the other hand, the documentation for 'std::to_chars' requires that "parsing the - // representation using the corresponding std::from_chars function recovers value exactly". That - // indicates that single precision floating-point numbers should be recovered using - // 'std::strtof'. - // - // NB: If the neighbors are computed for single-precision numbers, there is a single float - // (7.0385307e-26f) which can't be recovered using strtod. The resulting double precision - // value is off by 1 ulp. -#if 0 - const boundaries w = compute_boundaries(static_cast(value)); -#else - const boundaries w = compute_boundaries(value); -#endif - - grisu2(buf, len, decimal_exponent, w.minus, w.w, w.plus); -} - -/*! -@brief appends a decimal representation of e to buf -@return a pointer to the element following the exponent. -@pre -1000 < e < 1000 -*/ -JSON_HEDLEY_NON_NULL(1) -JSON_HEDLEY_RETURNS_NON_NULL -inline char* append_exponent(char* buf, int e) -{ - JSON_ASSERT(e > -1000); - JSON_ASSERT(e < 1000); - - if (e < 0) - { - e = -e; - *buf++ = '-'; - } - else - { - *buf++ = '+'; - } - - auto k = static_cast(e); - if (k < 10) - { - // Always print at least two digits in the exponent. - // This is for compatibility with printf("%g"). - *buf++ = '0'; - *buf++ = static_cast('0' + k); - } - else if (k < 100) - { - *buf++ = static_cast('0' + k / 10); - k %= 10; - *buf++ = static_cast('0' + k); - } - else - { - *buf++ = static_cast('0' + k / 100); - k %= 100; - *buf++ = static_cast('0' + k / 10); - k %= 10; - *buf++ = static_cast('0' + k); - } - - return buf; -} - -/*! -@brief prettify v = buf * 10^decimal_exponent - -If v is in the range [10^min_exp, 10^max_exp) it will be printed in fixed-point -notation. Otherwise it will be printed in exponential notation. - -@pre min_exp < 0 -@pre max_exp > 0 -*/ -JSON_HEDLEY_NON_NULL(1) -JSON_HEDLEY_RETURNS_NON_NULL -inline char* format_buffer(char* buf, int len, int decimal_exponent, - int min_exp, int max_exp) -{ - JSON_ASSERT(min_exp < 0); - JSON_ASSERT(max_exp > 0); - - const int k = len; - const int n = len + decimal_exponent; - - // v = buf * 10^(n-k) - // k is the length of the buffer (number of decimal digits) - // n is the position of the decimal point relative to the start of the buffer. - - if (k <= n && n <= max_exp) - { - // digits[000] - // len <= max_exp + 2 - - std::memset(buf + k, '0', static_cast(n) - static_cast(k)); - // Make it look like a floating-point number (#362, #378) - buf[n + 0] = '.'; - buf[n + 1] = '0'; - return buf + (static_cast(n) + 2); - } - - if (0 < n && n <= max_exp) - { - // dig.its - // len <= max_digits10 + 1 - - JSON_ASSERT(k > n); - - std::memmove(buf + (static_cast(n) + 1), buf + n, static_cast(k) - static_cast(n)); - buf[n] = '.'; - return buf + (static_cast(k) + 1U); - } - - if (min_exp < n && n <= 0) - { - // 0.[000]digits - // len <= 2 + (-min_exp - 1) + max_digits10 - - std::memmove(buf + (2 + static_cast(-n)), buf, static_cast(k)); - buf[0] = '0'; - buf[1] = '.'; - std::memset(buf + 2, '0', static_cast(-n)); - return buf + (2U + static_cast(-n) + static_cast(k)); - } - - if (k == 1) - { - // dE+123 - // len <= 1 + 5 - - buf += 1; - } - else - { - // d.igitsE+123 - // len <= max_digits10 + 1 + 5 - - std::memmove(buf + 2, buf + 1, static_cast(k) - 1); - buf[1] = '.'; - buf += 1 + static_cast(k); - } - - *buf++ = 'e'; - return append_exponent(buf, n - 1); -} - -} // namespace dtoa_impl - -/*! -@brief generates a decimal representation of the floating-point number value in [first, last). - -The format of the resulting decimal representation is similar to printf's %g -format. Returns an iterator pointing past-the-end of the decimal representation. - -@note The input number must be finite, i.e. NaN's and Inf's are not supported. -@note The buffer must be large enough. -@note The result is NOT null-terminated. -*/ -template -JSON_HEDLEY_NON_NULL(1, 2) -JSON_HEDLEY_RETURNS_NON_NULL -char* to_chars(char* first, const char* last, FloatType value) -{ - static_cast(last); // maybe unused - fix warning - JSON_ASSERT(std::isfinite(value)); - - // Use signbit(value) instead of (value < 0) since signbit works for -0. - if (std::signbit(value)) - { - value = -value; - *first++ = '-'; - } - - if (value == 0) // +-0 - { - *first++ = '0'; - // Make it look like a floating-point number (#362, #378) - *first++ = '.'; - *first++ = '0'; - return first; - } - - JSON_ASSERT(last - first >= std::numeric_limits::max_digits10); - - // Compute v = buffer * 10^decimal_exponent. - // The decimal digits are stored in the buffer, which needs to be interpreted - // as an unsigned decimal integer. - // len is the length of the buffer, i.e. the number of decimal digits. - int len = 0; - int decimal_exponent = 0; - dtoa_impl::grisu2(first, len, decimal_exponent, value); - - JSON_ASSERT(len <= std::numeric_limits::max_digits10); - - // Format the buffer like printf("%.*g", prec, value) - constexpr int kMinExp = -4; - // Use digits10 here to increase compatibility with version 2. - constexpr int kMaxExp = std::numeric_limits::digits10; - - JSON_ASSERT(last - first >= kMaxExp + 2); - JSON_ASSERT(last - first >= 2 + (-kMinExp - 1) + std::numeric_limits::max_digits10); - JSON_ASSERT(last - first >= std::numeric_limits::max_digits10 + 6); - - return dtoa_impl::format_buffer(first, len, decimal_exponent, kMinExp, kMaxExp); -} - -} // namespace detail -} // namespace nlohmann - -// #include - -// #include - -// #include - -// #include - -// #include - -// #include - - -namespace nlohmann -{ -namespace detail -{ -/////////////////// -// serialization // -/////////////////// - -/// how to treat decoding errors -enum class error_handler_t -{ - strict, ///< throw a type_error exception in case of invalid UTF-8 - replace, ///< replace invalid UTF-8 sequences with U+FFFD - ignore ///< ignore invalid UTF-8 sequences -}; - -template -class serializer -{ - using string_t = typename BasicJsonType::string_t; - using number_float_t = typename BasicJsonType::number_float_t; - using number_integer_t = typename BasicJsonType::number_integer_t; - using number_unsigned_t = typename BasicJsonType::number_unsigned_t; - using binary_char_t = typename BasicJsonType::binary_t::value_type; - static constexpr std::uint8_t UTF8_ACCEPT = 0; - static constexpr std::uint8_t UTF8_REJECT = 1; - - public: - /*! - @param[in] s output stream to serialize to - @param[in] ichar indentation character to use - @param[in] error_handler_ how to react on decoding errors - */ - serializer(output_adapter_t s, const char ichar, - error_handler_t error_handler_ = error_handler_t::strict) - : o(std::move(s)) - , loc(std::localeconv()) - , thousands_sep(loc->thousands_sep == nullptr ? '\0' : std::char_traits::to_char_type(* (loc->thousands_sep))) - , decimal_point(loc->decimal_point == nullptr ? '\0' : std::char_traits::to_char_type(* (loc->decimal_point))) - , indent_char(ichar) - , indent_string(512, indent_char) - , error_handler(error_handler_) - {} - - // delete because of pointer members - serializer(const serializer&) = delete; - serializer& operator=(const serializer&) = delete; - serializer(serializer&&) = delete; - serializer& operator=(serializer&&) = delete; - ~serializer() = default; - - /*! - @brief internal implementation of the serialization function - - This function is called by the public member function dump and organizes - the serialization internally. The indentation level is propagated as - additional parameter. In case of arrays and objects, the function is - called recursively. - - - strings and object keys are escaped using `escape_string()` - - integer numbers are converted implicitly via `operator<<` - - floating-point numbers are converted to a string using `"%g"` format - - binary values are serialized as objects containing the subtype and the - byte array - - @param[in] val value to serialize - @param[in] pretty_print whether the output shall be pretty-printed - @param[in] ensure_ascii If @a ensure_ascii is true, all non-ASCII characters - in the output are escaped with `\uXXXX` sequences, and the result consists - of ASCII characters only. - @param[in] indent_step the indent level - @param[in] current_indent the current indent level (only used internally) - */ - void dump(const BasicJsonType& val, - const bool pretty_print, - const bool ensure_ascii, - const unsigned int indent_step, - const unsigned int current_indent = 0) - { - switch (val.m_type) - { - case value_t::object: - { - if (val.m_value.object->empty()) - { - o->write_characters("{}", 2); - return; - } - - if (pretty_print) - { - o->write_characters("{\n", 2); - - // variable to hold indentation for recursive calls - const auto new_indent = current_indent + indent_step; - if (JSON_HEDLEY_UNLIKELY(indent_string.size() < new_indent)) - { - indent_string.resize(indent_string.size() * 2, ' '); - } - - // first n-1 elements - auto i = val.m_value.object->cbegin(); - for (std::size_t cnt = 0; cnt < val.m_value.object->size() - 1; ++cnt, ++i) - { - o->write_characters(indent_string.c_str(), new_indent); - o->write_character('\"'); - dump_escaped(i->first, ensure_ascii); - o->write_characters("\": ", 3); - dump(i->second, true, ensure_ascii, indent_step, new_indent); - o->write_characters(",\n", 2); - } - - // last element - JSON_ASSERT(i != val.m_value.object->cend()); - JSON_ASSERT(std::next(i) == val.m_value.object->cend()); - o->write_characters(indent_string.c_str(), new_indent); - o->write_character('\"'); - dump_escaped(i->first, ensure_ascii); - o->write_characters("\": ", 3); - dump(i->second, true, ensure_ascii, indent_step, new_indent); - - o->write_character('\n'); - o->write_characters(indent_string.c_str(), current_indent); - o->write_character('}'); - } - else - { - o->write_character('{'); - - // first n-1 elements - auto i = val.m_value.object->cbegin(); - for (std::size_t cnt = 0; cnt < val.m_value.object->size() - 1; ++cnt, ++i) - { - o->write_character('\"'); - dump_escaped(i->first, ensure_ascii); - o->write_characters("\":", 2); - dump(i->second, false, ensure_ascii, indent_step, current_indent); - o->write_character(','); - } - - // last element - JSON_ASSERT(i != val.m_value.object->cend()); - JSON_ASSERT(std::next(i) == val.m_value.object->cend()); - o->write_character('\"'); - dump_escaped(i->first, ensure_ascii); - o->write_characters("\":", 2); - dump(i->second, false, ensure_ascii, indent_step, current_indent); - - o->write_character('}'); - } - - return; - } - - case value_t::array: - { - if (val.m_value.array->empty()) - { - o->write_characters("[]", 2); - return; - } - - if (pretty_print) - { - o->write_characters("[\n", 2); - - // variable to hold indentation for recursive calls - const auto new_indent = current_indent + indent_step; - if (JSON_HEDLEY_UNLIKELY(indent_string.size() < new_indent)) - { - indent_string.resize(indent_string.size() * 2, ' '); - } - - // first n-1 elements - for (auto i = val.m_value.array->cbegin(); - i != val.m_value.array->cend() - 1; ++i) - { - o->write_characters(indent_string.c_str(), new_indent); - dump(*i, true, ensure_ascii, indent_step, new_indent); - o->write_characters(",\n", 2); - } - - // last element - JSON_ASSERT(!val.m_value.array->empty()); - o->write_characters(indent_string.c_str(), new_indent); - dump(val.m_value.array->back(), true, ensure_ascii, indent_step, new_indent); - - o->write_character('\n'); - o->write_characters(indent_string.c_str(), current_indent); - o->write_character(']'); - } - else - { - o->write_character('['); - - // first n-1 elements - for (auto i = val.m_value.array->cbegin(); - i != val.m_value.array->cend() - 1; ++i) - { - dump(*i, false, ensure_ascii, indent_step, current_indent); - o->write_character(','); - } - - // last element - JSON_ASSERT(!val.m_value.array->empty()); - dump(val.m_value.array->back(), false, ensure_ascii, indent_step, current_indent); - - o->write_character(']'); - } - - return; - } - - case value_t::string: - { - o->write_character('\"'); - dump_escaped(*val.m_value.string, ensure_ascii); - o->write_character('\"'); - return; - } - - case value_t::binary: - { - if (pretty_print) - { - o->write_characters("{\n", 2); - - // variable to hold indentation for recursive calls - const auto new_indent = current_indent + indent_step; - if (JSON_HEDLEY_UNLIKELY(indent_string.size() < new_indent)) - { - indent_string.resize(indent_string.size() * 2, ' '); - } - - o->write_characters(indent_string.c_str(), new_indent); - - o->write_characters("\"bytes\": [", 10); - - if (!val.m_value.binary->empty()) - { - for (auto i = val.m_value.binary->cbegin(); - i != val.m_value.binary->cend() - 1; ++i) - { - dump_integer(*i); - o->write_characters(", ", 2); - } - dump_integer(val.m_value.binary->back()); - } - - o->write_characters("],\n", 3); - o->write_characters(indent_string.c_str(), new_indent); - - o->write_characters("\"subtype\": ", 11); - if (val.m_value.binary->has_subtype()) - { - dump_integer(val.m_value.binary->subtype()); - } - else - { - o->write_characters("null", 4); - } - o->write_character('\n'); - o->write_characters(indent_string.c_str(), current_indent); - o->write_character('}'); - } - else - { - o->write_characters("{\"bytes\":[", 10); - - if (!val.m_value.binary->empty()) - { - for (auto i = val.m_value.binary->cbegin(); - i != val.m_value.binary->cend() - 1; ++i) - { - dump_integer(*i); - o->write_character(','); - } - dump_integer(val.m_value.binary->back()); - } - - o->write_characters("],\"subtype\":", 12); - if (val.m_value.binary->has_subtype()) - { - dump_integer(val.m_value.binary->subtype()); - o->write_character('}'); - } - else - { - o->write_characters("null}", 5); - } - } - return; - } - - case value_t::boolean: - { - if (val.m_value.boolean) - { - o->write_characters("true", 4); - } - else - { - o->write_characters("false", 5); - } - return; - } - - case value_t::number_integer: - { - dump_integer(val.m_value.number_integer); - return; - } - - case value_t::number_unsigned: - { - dump_integer(val.m_value.number_unsigned); - return; - } - - case value_t::number_float: - { - dump_float(val.m_value.number_float); - return; - } - - case value_t::discarded: - { - o->write_characters("", 11); - return; - } - - case value_t::null: - { - o->write_characters("null", 4); - return; - } - - default: // LCOV_EXCL_LINE - JSON_ASSERT(false); // LCOV_EXCL_LINE - } - } - - private: - /*! - @brief dump escaped string - - Escape a string by replacing certain special characters by a sequence of an - escape character (backslash) and another character and other control - characters by a sequence of "\u" followed by a four-digit hex - representation. The escaped string is written to output stream @a o. - - @param[in] s the string to escape - @param[in] ensure_ascii whether to escape non-ASCII characters with - \uXXXX sequences - - @complexity Linear in the length of string @a s. - */ - void dump_escaped(const string_t& s, const bool ensure_ascii) - { - std::uint32_t codepoint; - std::uint8_t state = UTF8_ACCEPT; - std::size_t bytes = 0; // number of bytes written to string_buffer - - // number of bytes written at the point of the last valid byte - std::size_t bytes_after_last_accept = 0; - std::size_t undumped_chars = 0; - - for (std::size_t i = 0; i < s.size(); ++i) - { - const auto byte = static_cast(s[i]); - - switch (decode(state, codepoint, byte)) - { - case UTF8_ACCEPT: // decode found a new code point - { - switch (codepoint) - { - case 0x08: // backspace - { - string_buffer[bytes++] = '\\'; - string_buffer[bytes++] = 'b'; - break; - } - - case 0x09: // horizontal tab - { - string_buffer[bytes++] = '\\'; - string_buffer[bytes++] = 't'; - break; - } - - case 0x0A: // newline - { - string_buffer[bytes++] = '\\'; - string_buffer[bytes++] = 'n'; - break; - } - - case 0x0C: // formfeed - { - string_buffer[bytes++] = '\\'; - string_buffer[bytes++] = 'f'; - break; - } - - case 0x0D: // carriage return - { - string_buffer[bytes++] = '\\'; - string_buffer[bytes++] = 'r'; - break; - } - - case 0x22: // quotation mark - { - string_buffer[bytes++] = '\\'; - string_buffer[bytes++] = '\"'; - break; - } - - case 0x5C: // reverse solidus - { - string_buffer[bytes++] = '\\'; - string_buffer[bytes++] = '\\'; - break; - } - - default: - { - // escape control characters (0x00..0x1F) or, if - // ensure_ascii parameter is used, non-ASCII characters - if ((codepoint <= 0x1F) || (ensure_ascii && (codepoint >= 0x7F))) - { - if (codepoint <= 0xFFFF) - { - (std::snprintf)(string_buffer.data() + bytes, 7, "\\u%04x", - static_cast(codepoint)); - bytes += 6; - } - else - { - (std::snprintf)(string_buffer.data() + bytes, 13, "\\u%04x\\u%04x", - static_cast(0xD7C0u + (codepoint >> 10u)), - static_cast(0xDC00u + (codepoint & 0x3FFu))); - bytes += 12; - } - } - else - { - // copy byte to buffer (all previous bytes - // been copied have in default case above) - string_buffer[bytes++] = s[i]; - } - break; - } - } - - // write buffer and reset index; there must be 13 bytes - // left, as this is the maximal number of bytes to be - // written ("\uxxxx\uxxxx\0") for one code point - if (string_buffer.size() - bytes < 13) - { - o->write_characters(string_buffer.data(), bytes); - bytes = 0; - } - - // remember the byte position of this accept - bytes_after_last_accept = bytes; - undumped_chars = 0; - break; - } - - case UTF8_REJECT: // decode found invalid UTF-8 byte - { - switch (error_handler) - { - case error_handler_t::strict: - { - std::string sn(3, '\0'); - (std::snprintf)(&sn[0], sn.size(), "%.2X", byte); - JSON_THROW(type_error::create(316, "invalid UTF-8 byte at index " + std::to_string(i) + ": 0x" + sn)); - } - - case error_handler_t::ignore: - case error_handler_t::replace: - { - // in case we saw this character the first time, we - // would like to read it again, because the byte - // may be OK for itself, but just not OK for the - // previous sequence - if (undumped_chars > 0) - { - --i; - } - - // reset length buffer to the last accepted index; - // thus removing/ignoring the invalid characters - bytes = bytes_after_last_accept; - - if (error_handler == error_handler_t::replace) - { - // add a replacement character - if (ensure_ascii) - { - string_buffer[bytes++] = '\\'; - string_buffer[bytes++] = 'u'; - string_buffer[bytes++] = 'f'; - string_buffer[bytes++] = 'f'; - string_buffer[bytes++] = 'f'; - string_buffer[bytes++] = 'd'; - } - else - { - string_buffer[bytes++] = detail::binary_writer::to_char_type('\xEF'); - string_buffer[bytes++] = detail::binary_writer::to_char_type('\xBF'); - string_buffer[bytes++] = detail::binary_writer::to_char_type('\xBD'); - } - - // write buffer and reset index; there must be 13 bytes - // left, as this is the maximal number of bytes to be - // written ("\uxxxx\uxxxx\0") for one code point - if (string_buffer.size() - bytes < 13) - { - o->write_characters(string_buffer.data(), bytes); - bytes = 0; - } - - bytes_after_last_accept = bytes; - } - - undumped_chars = 0; - - // continue processing the string - state = UTF8_ACCEPT; - break; - } - - default: // LCOV_EXCL_LINE - JSON_ASSERT(false); // LCOV_EXCL_LINE - } - break; - } - - default: // decode found yet incomplete multi-byte code point - { - if (!ensure_ascii) - { - // code point will not be escaped - copy byte to buffer - string_buffer[bytes++] = s[i]; - } - ++undumped_chars; - break; - } - } - } - - // we finished processing the string - if (JSON_HEDLEY_LIKELY(state == UTF8_ACCEPT)) - { - // write buffer - if (bytes > 0) - { - o->write_characters(string_buffer.data(), bytes); - } - } - else - { - // we finish reading, but do not accept: string was incomplete - switch (error_handler) - { - case error_handler_t::strict: - { - std::string sn(3, '\0'); - (std::snprintf)(&sn[0], sn.size(), "%.2X", static_cast(s.back())); - JSON_THROW(type_error::create(316, "incomplete UTF-8 string; last byte: 0x" + sn)); - } - - case error_handler_t::ignore: - { - // write all accepted bytes - o->write_characters(string_buffer.data(), bytes_after_last_accept); - break; - } - - case error_handler_t::replace: - { - // write all accepted bytes - o->write_characters(string_buffer.data(), bytes_after_last_accept); - // add a replacement character - if (ensure_ascii) - { - o->write_characters("\\ufffd", 6); - } - else - { - o->write_characters("\xEF\xBF\xBD", 3); - } - break; - } - - default: // LCOV_EXCL_LINE - JSON_ASSERT(false); // LCOV_EXCL_LINE - } - } - } - - /*! - @brief count digits - - Count the number of decimal (base 10) digits for an input unsigned integer. - - @param[in] x unsigned integer number to count its digits - @return number of decimal digits - */ - inline unsigned int count_digits(number_unsigned_t x) noexcept - { - unsigned int n_digits = 1; - for (;;) - { - if (x < 10) - { - return n_digits; - } - if (x < 100) - { - return n_digits + 1; - } - if (x < 1000) - { - return n_digits + 2; - } - if (x < 10000) - { - return n_digits + 3; - } - x = x / 10000u; - n_digits += 4; - } - } - - /*! - @brief dump an integer - - Dump a given integer to output stream @a o. Works internally with - @a number_buffer. - - @param[in] x integer number (signed or unsigned) to dump - @tparam NumberType either @a number_integer_t or @a number_unsigned_t - */ - template < typename NumberType, detail::enable_if_t < - std::is_same::value || - std::is_same::value || - std::is_same::value, - int > = 0 > - void dump_integer(NumberType x) - { - static constexpr std::array, 100> digits_to_99 - { - { - {{'0', '0'}}, {{'0', '1'}}, {{'0', '2'}}, {{'0', '3'}}, {{'0', '4'}}, {{'0', '5'}}, {{'0', '6'}}, {{'0', '7'}}, {{'0', '8'}}, {{'0', '9'}}, - {{'1', '0'}}, {{'1', '1'}}, {{'1', '2'}}, {{'1', '3'}}, {{'1', '4'}}, {{'1', '5'}}, {{'1', '6'}}, {{'1', '7'}}, {{'1', '8'}}, {{'1', '9'}}, - {{'2', '0'}}, {{'2', '1'}}, {{'2', '2'}}, {{'2', '3'}}, {{'2', '4'}}, {{'2', '5'}}, {{'2', '6'}}, {{'2', '7'}}, {{'2', '8'}}, {{'2', '9'}}, - {{'3', '0'}}, {{'3', '1'}}, {{'3', '2'}}, {{'3', '3'}}, {{'3', '4'}}, {{'3', '5'}}, {{'3', '6'}}, {{'3', '7'}}, {{'3', '8'}}, {{'3', '9'}}, - {{'4', '0'}}, {{'4', '1'}}, {{'4', '2'}}, {{'4', '3'}}, {{'4', '4'}}, {{'4', '5'}}, {{'4', '6'}}, {{'4', '7'}}, {{'4', '8'}}, {{'4', '9'}}, - {{'5', '0'}}, {{'5', '1'}}, {{'5', '2'}}, {{'5', '3'}}, {{'5', '4'}}, {{'5', '5'}}, {{'5', '6'}}, {{'5', '7'}}, {{'5', '8'}}, {{'5', '9'}}, - {{'6', '0'}}, {{'6', '1'}}, {{'6', '2'}}, {{'6', '3'}}, {{'6', '4'}}, {{'6', '5'}}, {{'6', '6'}}, {{'6', '7'}}, {{'6', '8'}}, {{'6', '9'}}, - {{'7', '0'}}, {{'7', '1'}}, {{'7', '2'}}, {{'7', '3'}}, {{'7', '4'}}, {{'7', '5'}}, {{'7', '6'}}, {{'7', '7'}}, {{'7', '8'}}, {{'7', '9'}}, - {{'8', '0'}}, {{'8', '1'}}, {{'8', '2'}}, {{'8', '3'}}, {{'8', '4'}}, {{'8', '5'}}, {{'8', '6'}}, {{'8', '7'}}, {{'8', '8'}}, {{'8', '9'}}, - {{'9', '0'}}, {{'9', '1'}}, {{'9', '2'}}, {{'9', '3'}}, {{'9', '4'}}, {{'9', '5'}}, {{'9', '6'}}, {{'9', '7'}}, {{'9', '8'}}, {{'9', '9'}}, - } - }; - - // special case for "0" - if (x == 0) - { - o->write_character('0'); - return; - } - - // use a pointer to fill the buffer - auto buffer_ptr = number_buffer.begin(); - - const bool is_negative = std::is_same::value && !(x >= 0); // see issue #755 - number_unsigned_t abs_value; - - unsigned int n_chars; - - if (is_negative) - { - *buffer_ptr = '-'; - abs_value = remove_sign(static_cast(x)); - - // account one more byte for the minus sign - n_chars = 1 + count_digits(abs_value); - } - else - { - abs_value = static_cast(x); - n_chars = count_digits(abs_value); - } - - // spare 1 byte for '\0' - JSON_ASSERT(n_chars < number_buffer.size() - 1); - - // jump to the end to generate the string from backward - // so we later avoid reversing the result - buffer_ptr += n_chars; - - // Fast int2ascii implementation inspired by "Fastware" talk by Andrei Alexandrescu - // See: https://www.youtube.com/watch?v=o4-CwDo2zpg - while (abs_value >= 100) - { - const auto digits_index = static_cast((abs_value % 100)); - abs_value /= 100; - *(--buffer_ptr) = digits_to_99[digits_index][1]; - *(--buffer_ptr) = digits_to_99[digits_index][0]; - } - - if (abs_value >= 10) - { - const auto digits_index = static_cast(abs_value); - *(--buffer_ptr) = digits_to_99[digits_index][1]; - *(--buffer_ptr) = digits_to_99[digits_index][0]; - } - else - { - *(--buffer_ptr) = static_cast('0' + abs_value); - } - - o->write_characters(number_buffer.data(), n_chars); - } - - /*! - @brief dump a floating-point number - - Dump a given floating-point number to output stream @a o. Works internally - with @a number_buffer. - - @param[in] x floating-point number to dump - */ - void dump_float(number_float_t x) - { - // NaN / inf - if (!std::isfinite(x)) - { - o->write_characters("null", 4); - return; - } - - // If number_float_t is an IEEE-754 single or double precision number, - // use the Grisu2 algorithm to produce short numbers which are - // guaranteed to round-trip, using strtof and strtod, resp. - // - // NB: The test below works if == . - static constexpr bool is_ieee_single_or_double - = (std::numeric_limits::is_iec559 && std::numeric_limits::digits == 24 && std::numeric_limits::max_exponent == 128) || - (std::numeric_limits::is_iec559 && std::numeric_limits::digits == 53 && std::numeric_limits::max_exponent == 1024); - - dump_float(x, std::integral_constant()); - } - - void dump_float(number_float_t x, std::true_type /*is_ieee_single_or_double*/) - { - char* begin = number_buffer.data(); - char* end = ::nlohmann::detail::to_chars(begin, begin + number_buffer.size(), x); - - o->write_characters(begin, static_cast(end - begin)); - } - - void dump_float(number_float_t x, std::false_type /*is_ieee_single_or_double*/) - { - // get number of digits for a float -> text -> float round-trip - static constexpr auto d = std::numeric_limits::max_digits10; - - // the actual conversion - std::ptrdiff_t len = (std::snprintf)(number_buffer.data(), number_buffer.size(), "%.*g", d, x); - - // negative value indicates an error - JSON_ASSERT(len > 0); - // check if buffer was large enough - JSON_ASSERT(static_cast(len) < number_buffer.size()); - - // erase thousands separator - if (thousands_sep != '\0') - { - const auto end = std::remove(number_buffer.begin(), - number_buffer.begin() + len, thousands_sep); - std::fill(end, number_buffer.end(), '\0'); - JSON_ASSERT((end - number_buffer.begin()) <= len); - len = (end - number_buffer.begin()); - } - - // convert decimal point to '.' - if (decimal_point != '\0' && decimal_point != '.') - { - const auto dec_pos = std::find(number_buffer.begin(), number_buffer.end(), decimal_point); - if (dec_pos != number_buffer.end()) - { - *dec_pos = '.'; - } - } - - o->write_characters(number_buffer.data(), static_cast(len)); - - // determine if need to append ".0" - const bool value_is_int_like = - std::none_of(number_buffer.begin(), number_buffer.begin() + len + 1, - [](char c) - { - return c == '.' || c == 'e'; - }); - - if (value_is_int_like) - { - o->write_characters(".0", 2); - } - } - - /*! - @brief check whether a string is UTF-8 encoded - - The function checks each byte of a string whether it is UTF-8 encoded. The - result of the check is stored in the @a state parameter. The function must - be called initially with state 0 (accept). State 1 means the string must - be rejected, because the current byte is not allowed. If the string is - completely processed, but the state is non-zero, the string ended - prematurely; that is, the last byte indicated more bytes should have - followed. - - @param[in,out] state the state of the decoding - @param[in,out] codep codepoint (valid only if resulting state is UTF8_ACCEPT) - @param[in] byte next byte to decode - @return new state - - @note The function has been edited: a std::array is used. - - @copyright Copyright (c) 2008-2009 Bjoern Hoehrmann - @sa http://bjoern.hoehrmann.de/utf-8/decoder/dfa/ - */ - static std::uint8_t decode(std::uint8_t& state, std::uint32_t& codep, const std::uint8_t byte) noexcept - { - static const std::array utf8d = - { - { - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 00..1F - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 20..3F - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 40..5F - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 60..7F - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, // 80..9F - 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, // A0..BF - 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, // C0..DF - 0xA, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3, 0x4, 0x3, 0x3, // E0..EF - 0xB, 0x6, 0x6, 0x6, 0x5, 0x8, 0x8, 0x8, 0x8, 0x8, 0x8, 0x8, 0x8, 0x8, 0x8, 0x8, // F0..FF - 0x0, 0x1, 0x2, 0x3, 0x5, 0x8, 0x7, 0x1, 0x1, 0x1, 0x4, 0x6, 0x1, 0x1, 0x1, 0x1, // s0..s0 - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, // s1..s2 - 1, 2, 1, 1, 1, 1, 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, // s3..s4 - 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 3, 1, 1, 1, 1, 1, 1, // s5..s6 - 1, 3, 1, 1, 1, 1, 1, 3, 1, 3, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 // s7..s8 - } - }; - - const std::uint8_t type = utf8d[byte]; - - codep = (state != UTF8_ACCEPT) - ? (byte & 0x3fu) | (codep << 6u) - : (0xFFu >> type) & (byte); - - std::size_t index = 256u + static_cast(state) * 16u + static_cast(type); - JSON_ASSERT(index < 400); - state = utf8d[index]; - return state; - } - - /* - * Overload to make the compiler happy while it is instantiating - * dump_integer for number_unsigned_t. - * Must never be called. - */ - number_unsigned_t remove_sign(number_unsigned_t x) - { - JSON_ASSERT(false); // LCOV_EXCL_LINE - return x; // LCOV_EXCL_LINE - } - - /* - * Helper function for dump_integer - * - * This function takes a negative signed integer and returns its absolute - * value as unsigned integer. The plus/minus shuffling is necessary as we can - * not directly remove the sign of an arbitrary signed integer as the - * absolute values of INT_MIN and INT_MAX are usually not the same. See - * #1708 for details. - */ - inline number_unsigned_t remove_sign(number_integer_t x) noexcept - { - JSON_ASSERT(x < 0 && x < (std::numeric_limits::max)()); - return static_cast(-(x + 1)) + 1; - } - - private: - /// the output of the serializer - output_adapter_t o = nullptr; - - /// a (hopefully) large enough character buffer - std::array number_buffer{{}}; - - /// the locale - const std::lconv* loc = nullptr; - /// the locale's thousand separator character - const char thousands_sep = '\0'; - /// the locale's decimal point character - const char decimal_point = '\0'; - - /// string buffer - std::array string_buffer{{}}; - - /// the indentation character - const char indent_char; - /// the indentation string - string_t indent_string; - - /// error_handler how to react on decoding errors - const error_handler_t error_handler; -}; -} // namespace detail -} // namespace nlohmann - -// #include - -// #include - -// #include - - -#include // less -#include // allocator -#include // pair -#include // vector - -namespace nlohmann -{ - -/// ordered_map: a minimal map-like container that preserves insertion order -/// for use within nlohmann::basic_json -template , - class Allocator = std::allocator>> - struct ordered_map : std::vector, Allocator> -{ - using key_type = Key; - using mapped_type = T; - using Container = std::vector, Allocator>; - using typename Container::iterator; - using typename Container::const_iterator; - using typename Container::size_type; - using typename Container::value_type; - - // Explicit constructors instead of `using Container::Container` - // otherwise older compilers choke on it (GCC <= 5.5, xcode <= 9.4) - ordered_map(const Allocator& alloc = Allocator()) : Container{alloc} {} - template - ordered_map(It first, It last, const Allocator& alloc = Allocator()) - : Container{first, last, alloc} {} - ordered_map(std::initializer_list init, const Allocator& alloc = Allocator() ) - : Container{init, alloc} {} - - std::pair emplace(const key_type& key, T&& t) - { - for (auto it = this->begin(); it != this->end(); ++it) - { - if (it->first == key) - { - return {it, false}; - } - } - Container::emplace_back(key, t); - return {--this->end(), true}; - } - - T& operator[](const Key& key) - { - return emplace(key, T{}).first->second; - } - - const T& operator[](const Key& key) const - { - return at(key); - } - - T& at(const Key& key) - { - for (auto it = this->begin(); it != this->end(); ++it) - { - if (it->first == key) - { - return it->second; - } - } - - throw std::out_of_range("key not found"); - } - - const T& at(const Key& key) const - { - for (auto it = this->begin(); it != this->end(); ++it) - { - if (it->first == key) - { - return it->second; - } - } - - throw std::out_of_range("key not found"); - } - - size_type erase(const Key& key) - { - for (auto it = this->begin(); it != this->end(); ++it) - { - if (it->first == key) - { - // Since we cannot move const Keys, re-construct them in place - for (auto next = it; ++next != this->end(); ++it) - { - it->~value_type(); // Destroy but keep allocation - new (&*it) value_type{std::move(*next)}; - } - Container::pop_back(); - return 1; - } - } - return 0; - } - - iterator erase(iterator pos) - { - auto it = pos; - - // Since we cannot move const Keys, re-construct them in place - for (auto next = it; ++next != this->end(); ++it) - { - it->~value_type(); // Destroy but keep allocation - new (&*it) value_type{std::move(*next)}; - } - Container::pop_back(); - return pos; - } - - size_type count(const Key& key) const - { - for (auto it = this->begin(); it != this->end(); ++it) - { - if (it->first == key) - { - return 1; - } - } - return 0; - } - - iterator find(const Key& key) - { - for (auto it = this->begin(); it != this->end(); ++it) - { - if (it->first == key) - { - return it; - } - } - return Container::end(); - } - - const_iterator find(const Key& key) const - { - for (auto it = this->begin(); it != this->end(); ++it) - { - if (it->first == key) - { - return it; - } - } - return Container::end(); - } - - std::pair insert( value_type&& value ) - { - return emplace(value.first, std::move(value.second)); - } - - std::pair insert( const value_type& value ) - { - for (auto it = this->begin(); it != this->end(); ++it) - { - if (it->first == value.first) - { - return {it, false}; - } - } - Container::push_back(value); - return {--this->end(), true}; - } -}; - -} // namespace nlohmann - - -/*! -@brief namespace for Niels Lohmann -@see https://github.com/nlohmann -@since version 1.0.0 -*/ -namespace nlohmann -{ - -/*! -@brief a class to store JSON values - -@tparam ObjectType type for JSON objects (`std::map` by default; will be used -in @ref object_t) -@tparam ArrayType type for JSON arrays (`std::vector` by default; will be used -in @ref array_t) -@tparam StringType type for JSON strings and object keys (`std::string` by -default; will be used in @ref string_t) -@tparam BooleanType type for JSON booleans (`bool` by default; will be used -in @ref boolean_t) -@tparam NumberIntegerType type for JSON integer numbers (`int64_t` by -default; will be used in @ref number_integer_t) -@tparam NumberUnsignedType type for JSON unsigned integer numbers (@c -`uint64_t` by default; will be used in @ref number_unsigned_t) -@tparam NumberFloatType type for JSON floating-point numbers (`double` by -default; will be used in @ref number_float_t) -@tparam BinaryType type for packed binary data for compatibility with binary -serialization formats (`std::vector` by default; will be used in -@ref binary_t) -@tparam AllocatorType type of the allocator to use (`std::allocator` by -default) -@tparam JSONSerializer the serializer to resolve internal calls to `to_json()` -and `from_json()` (@ref adl_serializer by default) - -@requirement The class satisfies the following concept requirements: -- Basic - - [DefaultConstructible](https://en.cppreference.com/w/cpp/named_req/DefaultConstructible): - JSON values can be default constructed. The result will be a JSON null - value. - - [MoveConstructible](https://en.cppreference.com/w/cpp/named_req/MoveConstructible): - A JSON value can be constructed from an rvalue argument. - - [CopyConstructible](https://en.cppreference.com/w/cpp/named_req/CopyConstructible): - A JSON value can be copy-constructed from an lvalue expression. - - [MoveAssignable](https://en.cppreference.com/w/cpp/named_req/MoveAssignable): - A JSON value van be assigned from an rvalue argument. - - [CopyAssignable](https://en.cppreference.com/w/cpp/named_req/CopyAssignable): - A JSON value can be copy-assigned from an lvalue expression. - - [Destructible](https://en.cppreference.com/w/cpp/named_req/Destructible): - JSON values can be destructed. -- Layout - - [StandardLayoutType](https://en.cppreference.com/w/cpp/named_req/StandardLayoutType): - JSON values have - [standard layout](https://en.cppreference.com/w/cpp/language/data_members#Standard_layout): - All non-static data members are private and standard layout types, the - class has no virtual functions or (virtual) base classes. -- Library-wide - - [EqualityComparable](https://en.cppreference.com/w/cpp/named_req/EqualityComparable): - JSON values can be compared with `==`, see @ref - operator==(const_reference,const_reference). - - [LessThanComparable](https://en.cppreference.com/w/cpp/named_req/LessThanComparable): - JSON values can be compared with `<`, see @ref - operator<(const_reference,const_reference). - - [Swappable](https://en.cppreference.com/w/cpp/named_req/Swappable): - Any JSON lvalue or rvalue of can be swapped with any lvalue or rvalue of - other compatible types, using unqualified function call @ref swap(). - - [NullablePointer](https://en.cppreference.com/w/cpp/named_req/NullablePointer): - JSON values can be compared against `std::nullptr_t` objects which are used - to model the `null` value. -- Container - - [Container](https://en.cppreference.com/w/cpp/named_req/Container): - JSON values can be used like STL containers and provide iterator access. - - [ReversibleContainer](https://en.cppreference.com/w/cpp/named_req/ReversibleContainer); - JSON values can be used like STL containers and provide reverse iterator - access. - -@invariant The member variables @a m_value and @a m_type have the following -relationship: -- If `m_type == value_t::object`, then `m_value.object != nullptr`. -- If `m_type == value_t::array`, then `m_value.array != nullptr`. -- If `m_type == value_t::string`, then `m_value.string != nullptr`. -The invariants are checked by member function assert_invariant(). - -@internal -@note ObjectType trick from https://stackoverflow.com/a/9860911 -@endinternal - -@see [RFC 7159: The JavaScript Object Notation (JSON) Data Interchange -Format](http://rfc7159.net/rfc7159) - -@since version 1.0.0 - -@nosubgrouping -*/ -NLOHMANN_BASIC_JSON_TPL_DECLARATION -class basic_json -{ - private: - template friend struct detail::external_constructor; - friend ::nlohmann::json_pointer; - - template - friend class ::nlohmann::detail::parser; - friend ::nlohmann::detail::serializer; - template - friend class ::nlohmann::detail::iter_impl; - template - friend class ::nlohmann::detail::binary_writer; - template - friend class ::nlohmann::detail::binary_reader; - template - friend class ::nlohmann::detail::json_sax_dom_parser; - template - friend class ::nlohmann::detail::json_sax_dom_callback_parser; - - /// workaround type for MSVC - using basic_json_t = NLOHMANN_BASIC_JSON_TPL; - - // convenience aliases for types residing in namespace detail; - using lexer = ::nlohmann::detail::lexer_base; - - template - static ::nlohmann::detail::parser parser( - InputAdapterType adapter, - detail::parser_callback_tcb = nullptr, - const bool allow_exceptions = true, - const bool ignore_comments = false - ) - { - return ::nlohmann::detail::parser(std::move(adapter), - std::move(cb), allow_exceptions, ignore_comments); - } - - using primitive_iterator_t = ::nlohmann::detail::primitive_iterator_t; - template - using internal_iterator = ::nlohmann::detail::internal_iterator; - template - using iter_impl = ::nlohmann::detail::iter_impl; - template - using iteration_proxy = ::nlohmann::detail::iteration_proxy; - template using json_reverse_iterator = ::nlohmann::detail::json_reverse_iterator; - - template - using output_adapter_t = ::nlohmann::detail::output_adapter_t; - - template - using binary_reader = ::nlohmann::detail::binary_reader; - template using binary_writer = ::nlohmann::detail::binary_writer; - - using serializer = ::nlohmann::detail::serializer; - - public: - using value_t = detail::value_t; - /// JSON Pointer, see @ref nlohmann::json_pointer - using json_pointer = ::nlohmann::json_pointer; - template - using json_serializer = JSONSerializer; - /// how to treat decoding errors - using error_handler_t = detail::error_handler_t; - /// how to treat CBOR tags - using cbor_tag_handler_t = detail::cbor_tag_handler_t; - /// helper type for initializer lists of basic_json values - using initializer_list_t = std::initializer_list>; - - using input_format_t = detail::input_format_t; - /// SAX interface type, see @ref nlohmann::json_sax - using json_sax_t = json_sax; - - //////////////// - // exceptions // - //////////////// - - /// @name exceptions - /// Classes to implement user-defined exceptions. - /// @{ - - /// @copydoc detail::exception - using exception = detail::exception; - /// @copydoc detail::parse_error - using parse_error = detail::parse_error; - /// @copydoc detail::invalid_iterator - using invalid_iterator = detail::invalid_iterator; - /// @copydoc detail::type_error - using type_error = detail::type_error; - /// @copydoc detail::out_of_range - using out_of_range = detail::out_of_range; - /// @copydoc detail::other_error - using other_error = detail::other_error; - - /// @} - - - ///////////////////// - // container types // - ///////////////////// - - /// @name container types - /// The canonic container types to use @ref basic_json like any other STL - /// container. - /// @{ - - /// the type of elements in a basic_json container - using value_type = basic_json; - - /// the type of an element reference - using reference = value_type&; - /// the type of an element const reference - using const_reference = const value_type&; - - /// a type to represent differences between iterators - using difference_type = std::ptrdiff_t; - /// a type to represent container sizes - using size_type = std::size_t; - - /// the allocator type - using allocator_type = AllocatorType; - - /// the type of an element pointer - using pointer = typename std::allocator_traits::pointer; - /// the type of an element const pointer - using const_pointer = typename std::allocator_traits::const_pointer; - - /// an iterator for a basic_json container - using iterator = iter_impl; - /// a const iterator for a basic_json container - using const_iterator = iter_impl; - /// a reverse iterator for a basic_json container - using reverse_iterator = json_reverse_iterator; - /// a const reverse iterator for a basic_json container - using const_reverse_iterator = json_reverse_iterator; - - /// @} - - - /*! - @brief returns the allocator associated with the container - */ - static allocator_type get_allocator() - { - return allocator_type(); - } - - /*! - @brief returns version information on the library - - This function returns a JSON object with information about the library, - including the version number and information on the platform and compiler. - - @return JSON object holding version information - key | description - ----------- | --------------- - `compiler` | Information on the used compiler. It is an object with the following keys: `c++` (the used C++ standard), `family` (the compiler family; possible values are `clang`, `icc`, `gcc`, `ilecpp`, `msvc`, `pgcpp`, `sunpro`, and `unknown`), and `version` (the compiler version). - `copyright` | The copyright line for the library as string. - `name` | The name of the library as string. - `platform` | The used platform as string. Possible values are `win32`, `linux`, `apple`, `unix`, and `unknown`. - `url` | The URL of the project as string. - `version` | The version of the library. It is an object with the following keys: `major`, `minor`, and `patch` as defined by [Semantic Versioning](http://semver.org), and `string` (the version string). - - @liveexample{The following code shows an example output of the `meta()` - function.,meta} - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes to any JSON value. - - @complexity Constant. - - @since 2.1.0 - */ - JSON_HEDLEY_WARN_UNUSED_RESULT - static basic_json meta() - { - basic_json result; - - result["copyright"] = "(C) 2013-2020 Niels Lohmann"; - result["name"] = "JSON for Modern C++"; - result["url"] = "https://github.com/nlohmann/json"; - result["version"]["string"] = - std::to_string(NLOHMANN_JSON_VERSION_MAJOR) + "." + - std::to_string(NLOHMANN_JSON_VERSION_MINOR) + "." + - std::to_string(NLOHMANN_JSON_VERSION_PATCH); - result["version"]["major"] = NLOHMANN_JSON_VERSION_MAJOR; - result["version"]["minor"] = NLOHMANN_JSON_VERSION_MINOR; - result["version"]["patch"] = NLOHMANN_JSON_VERSION_PATCH; - -#ifdef _WIN32 - result["platform"] = "win32"; -#elif defined __linux__ - result["platform"] = "linux"; -#elif defined __APPLE__ - result["platform"] = "apple"; -#elif defined __unix__ - result["platform"] = "unix"; -#else - result["platform"] = "unknown"; -#endif - -#if defined(__ICC) || defined(__INTEL_COMPILER) - result["compiler"] = {{"family", "icc"}, {"version", __INTEL_COMPILER}}; -#elif defined(__clang__) - result["compiler"] = {{"family", "clang"}, {"version", __clang_version__}}; -#elif defined(__GNUC__) || defined(__GNUG__) - result["compiler"] = {{"family", "gcc"}, {"version", std::to_string(__GNUC__) + "." + std::to_string(__GNUC_MINOR__) + "." + std::to_string(__GNUC_PATCHLEVEL__)}}; -#elif defined(__HP_cc) || defined(__HP_aCC) - result["compiler"] = "hp" -#elif defined(__IBMCPP__) - result["compiler"] = {{"family", "ilecpp"}, {"version", __IBMCPP__}}; -#elif defined(_MSC_VER) - result["compiler"] = {{"family", "msvc"}, {"version", _MSC_VER}}; -#elif defined(__PGI) - result["compiler"] = {{"family", "pgcpp"}, {"version", __PGI}}; -#elif defined(__SUNPRO_CC) - result["compiler"] = {{"family", "sunpro"}, {"version", __SUNPRO_CC}}; -#else - result["compiler"] = {{"family", "unknown"}, {"version", "unknown"}}; -#endif - -#ifdef __cplusplus - result["compiler"]["c++"] = std::to_string(__cplusplus); -#else - result["compiler"]["c++"] = "unknown"; -#endif - return result; - } - - - /////////////////////////// - // JSON value data types // - /////////////////////////// - - /// @name JSON value data types - /// The data types to store a JSON value. These types are derived from - /// the template arguments passed to class @ref basic_json. - /// @{ - -#if defined(JSON_HAS_CPP_14) - // Use transparent comparator if possible, combined with perfect forwarding - // on find() and count() calls prevents unnecessary string construction. - using object_comparator_t = std::less<>; -#else - using object_comparator_t = std::less; -#endif - - /*! - @brief a type for an object - - [RFC 7159](http://rfc7159.net/rfc7159) describes JSON objects as follows: - > An object is an unordered collection of zero or more name/value pairs, - > where a name is a string and a value is a string, number, boolean, null, - > object, or array. - - To store objects in C++, a type is defined by the template parameters - described below. - - @tparam ObjectType the container to store objects (e.g., `std::map` or - `std::unordered_map`) - @tparam StringType the type of the keys or names (e.g., `std::string`). - The comparison function `std::less` is used to order elements - inside the container. - @tparam AllocatorType the allocator to use for objects (e.g., - `std::allocator`) - - #### Default type - - With the default values for @a ObjectType (`std::map`), @a StringType - (`std::string`), and @a AllocatorType (`std::allocator`), the default - value for @a object_t is: - - @code {.cpp} - std::map< - std::string, // key_type - basic_json, // value_type - std::less, // key_compare - std::allocator> // allocator_type - > - @endcode - - #### Behavior - - The choice of @a object_t influences the behavior of the JSON class. With - the default type, objects have the following behavior: - - - When all names are unique, objects will be interoperable in the sense - that all software implementations receiving that object will agree on - the name-value mappings. - - When the names within an object are not unique, it is unspecified which - one of the values for a given key will be chosen. For instance, - `{"key": 2, "key": 1}` could be equal to either `{"key": 1}` or - `{"key": 2}`. - - Internally, name/value pairs are stored in lexicographical order of the - names. Objects will also be serialized (see @ref dump) in this order. - For instance, `{"b": 1, "a": 2}` and `{"a": 2, "b": 1}` will be stored - and serialized as `{"a": 2, "b": 1}`. - - When comparing objects, the order of the name/value pairs is irrelevant. - This makes objects interoperable in the sense that they will not be - affected by these differences. For instance, `{"b": 1, "a": 2}` and - `{"a": 2, "b": 1}` will be treated as equal. - - #### Limits - - [RFC 7159](http://rfc7159.net/rfc7159) specifies: - > An implementation may set limits on the maximum depth of nesting. - - In this class, the object's limit of nesting is not explicitly constrained. - However, a maximum depth of nesting may be introduced by the compiler or - runtime environment. A theoretical limit can be queried by calling the - @ref max_size function of a JSON object. - - #### Storage - - Objects are stored as pointers in a @ref basic_json type. That is, for any - access to object values, a pointer of type `object_t*` must be - dereferenced. - - @sa @ref array_t -- type for an array value - - @since version 1.0.0 - - @note The order name/value pairs are added to the object is *not* - preserved by the library. Therefore, iterating an object may return - name/value pairs in a different order than they were originally stored. In - fact, keys will be traversed in alphabetical order as `std::map` with - `std::less` is used by default. Please note this behavior conforms to [RFC - 7159](http://rfc7159.net/rfc7159), because any order implements the - specified "unordered" nature of JSON objects. - */ - using object_t = ObjectType>>; - - /*! - @brief a type for an array - - [RFC 7159](http://rfc7159.net/rfc7159) describes JSON arrays as follows: - > An array is an ordered sequence of zero or more values. - - To store objects in C++, a type is defined by the template parameters - explained below. - - @tparam ArrayType container type to store arrays (e.g., `std::vector` or - `std::list`) - @tparam AllocatorType allocator to use for arrays (e.g., `std::allocator`) - - #### Default type - - With the default values for @a ArrayType (`std::vector`) and @a - AllocatorType (`std::allocator`), the default value for @a array_t is: - - @code {.cpp} - std::vector< - basic_json, // value_type - std::allocator // allocator_type - > - @endcode - - #### Limits - - [RFC 7159](http://rfc7159.net/rfc7159) specifies: - > An implementation may set limits on the maximum depth of nesting. - - In this class, the array's limit of nesting is not explicitly constrained. - However, a maximum depth of nesting may be introduced by the compiler or - runtime environment. A theoretical limit can be queried by calling the - @ref max_size function of a JSON array. - - #### Storage - - Arrays are stored as pointers in a @ref basic_json type. That is, for any - access to array values, a pointer of type `array_t*` must be dereferenced. - - @sa @ref object_t -- type for an object value - - @since version 1.0.0 - */ - using array_t = ArrayType>; - - /*! - @brief a type for a string - - [RFC 7159](http://rfc7159.net/rfc7159) describes JSON strings as follows: - > A string is a sequence of zero or more Unicode characters. - - To store objects in C++, a type is defined by the template parameter - described below. Unicode values are split by the JSON class into - byte-sized characters during deserialization. - - @tparam StringType the container to store strings (e.g., `std::string`). - Note this container is used for keys/names in objects, see @ref object_t. - - #### Default type - - With the default values for @a StringType (`std::string`), the default - value for @a string_t is: - - @code {.cpp} - std::string - @endcode - - #### Encoding - - Strings are stored in UTF-8 encoding. Therefore, functions like - `std::string::size()` or `std::string::length()` return the number of - bytes in the string rather than the number of characters or glyphs. - - #### String comparison - - [RFC 7159](http://rfc7159.net/rfc7159) states: - > Software implementations are typically required to test names of object - > members for equality. Implementations that transform the textual - > representation into sequences of Unicode code units and then perform the - > comparison numerically, code unit by code unit, are interoperable in the - > sense that implementations will agree in all cases on equality or - > inequality of two strings. For example, implementations that compare - > strings with escaped characters unconverted may incorrectly find that - > `"a\\b"` and `"a\u005Cb"` are not equal. - - This implementation is interoperable as it does compare strings code unit - by code unit. - - #### Storage - - String values are stored as pointers in a @ref basic_json type. That is, - for any access to string values, a pointer of type `string_t*` must be - dereferenced. - - @since version 1.0.0 - */ - using string_t = StringType; - - /*! - @brief a type for a boolean - - [RFC 7159](http://rfc7159.net/rfc7159) implicitly describes a boolean as a - type which differentiates the two literals `true` and `false`. - - To store objects in C++, a type is defined by the template parameter @a - BooleanType which chooses the type to use. - - #### Default type - - With the default values for @a BooleanType (`bool`), the default value for - @a boolean_t is: - - @code {.cpp} - bool - @endcode - - #### Storage - - Boolean values are stored directly inside a @ref basic_json type. - - @since version 1.0.0 - */ - using boolean_t = BooleanType; - - /*! - @brief a type for a number (integer) - - [RFC 7159](http://rfc7159.net/rfc7159) describes numbers as follows: - > The representation of numbers is similar to that used in most - > programming languages. A number is represented in base 10 using decimal - > digits. It contains an integer component that may be prefixed with an - > optional minus sign, which may be followed by a fraction part and/or an - > exponent part. Leading zeros are not allowed. (...) Numeric values that - > cannot be represented in the grammar below (such as Infinity and NaN) - > are not permitted. - - This description includes both integer and floating-point numbers. - However, C++ allows more precise storage if it is known whether the number - is a signed integer, an unsigned integer or a floating-point number. - Therefore, three different types, @ref number_integer_t, @ref - number_unsigned_t and @ref number_float_t are used. - - To store integer numbers in C++, a type is defined by the template - parameter @a NumberIntegerType which chooses the type to use. - - #### Default type - - With the default values for @a NumberIntegerType (`int64_t`), the default - value for @a number_integer_t is: - - @code {.cpp} - int64_t - @endcode - - #### Default behavior - - - The restrictions about leading zeros is not enforced in C++. Instead, - leading zeros in integer literals lead to an interpretation as octal - number. Internally, the value will be stored as decimal number. For - instance, the C++ integer literal `010` will be serialized to `8`. - During deserialization, leading zeros yield an error. - - Not-a-number (NaN) values will be serialized to `null`. - - #### Limits - - [RFC 7159](http://rfc7159.net/rfc7159) specifies: - > An implementation may set limits on the range and precision of numbers. - - When the default type is used, the maximal integer number that can be - stored is `9223372036854775807` (INT64_MAX) and the minimal integer number - that can be stored is `-9223372036854775808` (INT64_MIN). Integer numbers - that are out of range will yield over/underflow when used in a - constructor. During deserialization, too large or small integer numbers - will be automatically be stored as @ref number_unsigned_t or @ref - number_float_t. - - [RFC 7159](http://rfc7159.net/rfc7159) further states: - > Note that when such software is used, numbers that are integers and are - > in the range \f$[-2^{53}+1, 2^{53}-1]\f$ are interoperable in the sense - > that implementations will agree exactly on their numeric values. - - As this range is a subrange of the exactly supported range [INT64_MIN, - INT64_MAX], this class's integer type is interoperable. - - #### Storage - - Integer number values are stored directly inside a @ref basic_json type. - - @sa @ref number_float_t -- type for number values (floating-point) - - @sa @ref number_unsigned_t -- type for number values (unsigned integer) - - @since version 1.0.0 - */ - using number_integer_t = NumberIntegerType; - - /*! - @brief a type for a number (unsigned) - - [RFC 7159](http://rfc7159.net/rfc7159) describes numbers as follows: - > The representation of numbers is similar to that used in most - > programming languages. A number is represented in base 10 using decimal - > digits. It contains an integer component that may be prefixed with an - > optional minus sign, which may be followed by a fraction part and/or an - > exponent part. Leading zeros are not allowed. (...) Numeric values that - > cannot be represented in the grammar below (such as Infinity and NaN) - > are not permitted. - - This description includes both integer and floating-point numbers. - However, C++ allows more precise storage if it is known whether the number - is a signed integer, an unsigned integer or a floating-point number. - Therefore, three different types, @ref number_integer_t, @ref - number_unsigned_t and @ref number_float_t are used. - - To store unsigned integer numbers in C++, a type is defined by the - template parameter @a NumberUnsignedType which chooses the type to use. - - #### Default type - - With the default values for @a NumberUnsignedType (`uint64_t`), the - default value for @a number_unsigned_t is: - - @code {.cpp} - uint64_t - @endcode - - #### Default behavior - - - The restrictions about leading zeros is not enforced in C++. Instead, - leading zeros in integer literals lead to an interpretation as octal - number. Internally, the value will be stored as decimal number. For - instance, the C++ integer literal `010` will be serialized to `8`. - During deserialization, leading zeros yield an error. - - Not-a-number (NaN) values will be serialized to `null`. - - #### Limits - - [RFC 7159](http://rfc7159.net/rfc7159) specifies: - > An implementation may set limits on the range and precision of numbers. - - When the default type is used, the maximal integer number that can be - stored is `18446744073709551615` (UINT64_MAX) and the minimal integer - number that can be stored is `0`. Integer numbers that are out of range - will yield over/underflow when used in a constructor. During - deserialization, too large or small integer numbers will be automatically - be stored as @ref number_integer_t or @ref number_float_t. - - [RFC 7159](http://rfc7159.net/rfc7159) further states: - > Note that when such software is used, numbers that are integers and are - > in the range \f$[-2^{53}+1, 2^{53}-1]\f$ are interoperable in the sense - > that implementations will agree exactly on their numeric values. - - As this range is a subrange (when considered in conjunction with the - number_integer_t type) of the exactly supported range [0, UINT64_MAX], - this class's integer type is interoperable. - - #### Storage - - Integer number values are stored directly inside a @ref basic_json type. - - @sa @ref number_float_t -- type for number values (floating-point) - @sa @ref number_integer_t -- type for number values (integer) - - @since version 2.0.0 - */ - using number_unsigned_t = NumberUnsignedType; - - /*! - @brief a type for a number (floating-point) - - [RFC 7159](http://rfc7159.net/rfc7159) describes numbers as follows: - > The representation of numbers is similar to that used in most - > programming languages. A number is represented in base 10 using decimal - > digits. It contains an integer component that may be prefixed with an - > optional minus sign, which may be followed by a fraction part and/or an - > exponent part. Leading zeros are not allowed. (...) Numeric values that - > cannot be represented in the grammar below (such as Infinity and NaN) - > are not permitted. - - This description includes both integer and floating-point numbers. - However, C++ allows more precise storage if it is known whether the number - is a signed integer, an unsigned integer or a floating-point number. - Therefore, three different types, @ref number_integer_t, @ref - number_unsigned_t and @ref number_float_t are used. - - To store floating-point numbers in C++, a type is defined by the template - parameter @a NumberFloatType which chooses the type to use. - - #### Default type - - With the default values for @a NumberFloatType (`double`), the default - value for @a number_float_t is: - - @code {.cpp} - double - @endcode - - #### Default behavior - - - The restrictions about leading zeros is not enforced in C++. Instead, - leading zeros in floating-point literals will be ignored. Internally, - the value will be stored as decimal number. For instance, the C++ - floating-point literal `01.2` will be serialized to `1.2`. During - deserialization, leading zeros yield an error. - - Not-a-number (NaN) values will be serialized to `null`. - - #### Limits - - [RFC 7159](http://rfc7159.net/rfc7159) states: - > This specification allows implementations to set limits on the range and - > precision of numbers accepted. Since software that implements IEEE - > 754-2008 binary64 (double precision) numbers is generally available and - > widely used, good interoperability can be achieved by implementations - > that expect no more precision or range than these provide, in the sense - > that implementations will approximate JSON numbers within the expected - > precision. - - This implementation does exactly follow this approach, as it uses double - precision floating-point numbers. Note values smaller than - `-1.79769313486232e+308` and values greater than `1.79769313486232e+308` - will be stored as NaN internally and be serialized to `null`. - - #### Storage - - Floating-point number values are stored directly inside a @ref basic_json - type. - - @sa @ref number_integer_t -- type for number values (integer) - - @sa @ref number_unsigned_t -- type for number values (unsigned integer) - - @since version 1.0.0 - */ - using number_float_t = NumberFloatType; - - /*! - @brief a type for a packed binary type - - This type is a type designed to carry binary data that appears in various - serialized formats, such as CBOR's Major Type 2, MessagePack's bin, and - BSON's generic binary subtype. This type is NOT a part of standard JSON and - exists solely for compatibility with these binary types. As such, it is - simply defined as an ordered sequence of zero or more byte values. - - Additionally, as an implementation detail, the subtype of the binary data is - carried around as a `std::uint8_t`, which is compatible with both of the - binary data formats that use binary subtyping, (though the specific - numbering is incompatible with each other, and it is up to the user to - translate between them). - - [CBOR's RFC 7049](https://tools.ietf.org/html/rfc7049) describes this type - as: - > Major type 2: a byte string. The string's length in bytes is represented - > following the rules for positive integers (major type 0). - - [MessagePack's documentation on the bin type - family](https://github.com/msgpack/msgpack/blob/master/spec.md#bin-format-family) - describes this type as: - > Bin format family stores an byte array in 2, 3, or 5 bytes of extra bytes - > in addition to the size of the byte array. - - [BSON's specifications](http://bsonspec.org/spec.html) describe several - binary types; however, this type is intended to represent the generic binary - type which has the description: - > Generic binary subtype - This is the most commonly used binary subtype and - > should be the 'default' for drivers and tools. - - None of these impose any limitations on the internal representation other - than the basic unit of storage be some type of array whose parts are - decomposable into bytes. - - The default representation of this binary format is a - `std::vector`, which is a very common way to represent a byte - array in modern C++. - - #### Default type - - The default values for @a BinaryType is `std::vector` - - #### Storage - - Binary Arrays are stored as pointers in a @ref basic_json type. That is, - for any access to array values, a pointer of the type `binary_t*` must be - dereferenced. - - #### Notes on subtypes - - - CBOR - - Binary values are represented as byte strings. No subtypes are - supported and will be ignored when CBOR is written. - - MessagePack - - If a subtype is given and the binary array contains exactly 1, 2, 4, 8, - or 16 elements, the fixext family (fixext1, fixext2, fixext4, fixext8) - is used. For other sizes, the ext family (ext8, ext16, ext32) is used. - The subtype is then added as singed 8-bit integer. - - If no subtype is given, the bin family (bin8, bin16, bin32) is used. - - BSON - - If a subtype is given, it is used and added as unsigned 8-bit integer. - - If no subtype is given, the generic binary subtype 0x00 is used. - - @sa @ref binary -- create a binary array - - @since version 3.8.0 - */ - using binary_t = nlohmann::byte_container_with_subtype; - /// @} - - private: - - /// helper for exception-safe object creation - template - JSON_HEDLEY_RETURNS_NON_NULL - static T* create(Args&& ... args) - { - AllocatorType alloc; - using AllocatorTraits = std::allocator_traits>; - - auto deleter = [&](T * object) - { - AllocatorTraits::deallocate(alloc, object, 1); - }; - std::unique_ptr object(AllocatorTraits::allocate(alloc, 1), deleter); - AllocatorTraits::construct(alloc, object.get(), std::forward(args)...); - JSON_ASSERT(object != nullptr); - return object.release(); - } - - //////////////////////// - // JSON value storage // - //////////////////////// - - /*! - @brief a JSON value - - The actual storage for a JSON value of the @ref basic_json class. This - union combines the different storage types for the JSON value types - defined in @ref value_t. - - JSON type | value_t type | used type - --------- | --------------- | ------------------------ - object | object | pointer to @ref object_t - array | array | pointer to @ref array_t - string | string | pointer to @ref string_t - boolean | boolean | @ref boolean_t - number | number_integer | @ref number_integer_t - number | number_unsigned | @ref number_unsigned_t - number | number_float | @ref number_float_t - binary | binary | pointer to @ref binary_t - null | null | *no value is stored* - - @note Variable-length types (objects, arrays, and strings) are stored as - pointers. The size of the union should not exceed 64 bits if the default - value types are used. - - @since version 1.0.0 - */ - union json_value - { - /// object (stored with pointer to save storage) - object_t* object; - /// array (stored with pointer to save storage) - array_t* array; - /// string (stored with pointer to save storage) - string_t* string; - /// binary (stored with pointer to save storage) - binary_t* binary; - /// boolean - boolean_t boolean; - /// number (integer) - number_integer_t number_integer; - /// number (unsigned integer) - number_unsigned_t number_unsigned; - /// number (floating-point) - number_float_t number_float; - - /// default constructor (for null values) - json_value() = default; - /// constructor for booleans - json_value(boolean_t v) noexcept : boolean(v) {} - /// constructor for numbers (integer) - json_value(number_integer_t v) noexcept : number_integer(v) {} - /// constructor for numbers (unsigned) - json_value(number_unsigned_t v) noexcept : number_unsigned(v) {} - /// constructor for numbers (floating-point) - json_value(number_float_t v) noexcept : number_float(v) {} - /// constructor for empty values of a given type - json_value(value_t t) - { - switch (t) - { - case value_t::object: - { - object = create(); - break; - } - - case value_t::array: - { - array = create(); - break; - } - - case value_t::string: - { - string = create(""); - break; - } - - case value_t::binary: - { - binary = create(); - break; - } - - case value_t::boolean: - { - boolean = boolean_t(false); - break; - } - - case value_t::number_integer: - { - number_integer = number_integer_t(0); - break; - } - - case value_t::number_unsigned: - { - number_unsigned = number_unsigned_t(0); - break; - } - - case value_t::number_float: - { - number_float = number_float_t(0.0); - break; - } - - case value_t::null: - { - object = nullptr; // silence warning, see #821 - break; - } - - default: - { - object = nullptr; // silence warning, see #821 - if (JSON_HEDLEY_UNLIKELY(t == value_t::null)) - { - JSON_THROW(other_error::create(500, "961c151d2e87f2686a955a9be24d316f1362bf21 3.9.1")); // LCOV_EXCL_LINE - } - break; - } - } - } - - /// constructor for strings - json_value(const string_t& value) - { - string = create(value); - } - - /// constructor for rvalue strings - json_value(string_t&& value) - { - string = create(std::move(value)); - } - - /// constructor for objects - json_value(const object_t& value) - { - object = create(value); - } - - /// constructor for rvalue objects - json_value(object_t&& value) - { - object = create(std::move(value)); - } - - /// constructor for arrays - json_value(const array_t& value) - { - array = create(value); - } - - /// constructor for rvalue arrays - json_value(array_t&& value) - { - array = create(std::move(value)); - } - - /// constructor for binary arrays - json_value(const typename binary_t::container_type& value) - { - binary = create(value); - } - - /// constructor for rvalue binary arrays - json_value(typename binary_t::container_type&& value) - { - binary = create(std::move(value)); - } - - /// constructor for binary arrays (internal type) - json_value(const binary_t& value) - { - binary = create(value); - } - - /// constructor for rvalue binary arrays (internal type) - json_value(binary_t&& value) - { - binary = create(std::move(value)); - } - - void destroy(value_t t) noexcept - { - // flatten the current json_value to a heap-allocated stack - std::vector stack; - - // move the top-level items to stack - if (t == value_t::array) - { - stack.reserve(array->size()); - std::move(array->begin(), array->end(), std::back_inserter(stack)); - } - else if (t == value_t::object) - { - stack.reserve(object->size()); - for (auto&& it : *object) - { - stack.push_back(std::move(it.second)); - } - } - - while (!stack.empty()) - { - // move the last item to local variable to be processed - basic_json current_item(std::move(stack.back())); - stack.pop_back(); - - // if current_item is array/object, move - // its children to the stack to be processed later - if (current_item.is_array()) - { - std::move(current_item.m_value.array->begin(), current_item.m_value.array->end(), - std::back_inserter(stack)); - - current_item.m_value.array->clear(); - } - else if (current_item.is_object()) - { - for (auto&& it : *current_item.m_value.object) - { - stack.push_back(std::move(it.second)); - } - - current_item.m_value.object->clear(); - } - - // it's now safe that current_item get destructed - // since it doesn't have any children - } - - switch (t) - { - case value_t::object: - { - AllocatorType alloc; - std::allocator_traits::destroy(alloc, object); - std::allocator_traits::deallocate(alloc, object, 1); - break; - } - - case value_t::array: - { - AllocatorType alloc; - std::allocator_traits::destroy(alloc, array); - std::allocator_traits::deallocate(alloc, array, 1); - break; - } - - case value_t::string: - { - AllocatorType alloc; - std::allocator_traits::destroy(alloc, string); - std::allocator_traits::deallocate(alloc, string, 1); - break; - } - - case value_t::binary: - { - AllocatorType alloc; - std::allocator_traits::destroy(alloc, binary); - std::allocator_traits::deallocate(alloc, binary, 1); - break; - } - - default: - { - break; - } - } - } - }; - - /*! - @brief checks the class invariants - - This function asserts the class invariants. It needs to be called at the - end of every constructor to make sure that created objects respect the - invariant. Furthermore, it has to be called each time the type of a JSON - value is changed, because the invariant expresses a relationship between - @a m_type and @a m_value. - */ - void assert_invariant() const noexcept - { - JSON_ASSERT(m_type != value_t::object || m_value.object != nullptr); - JSON_ASSERT(m_type != value_t::array || m_value.array != nullptr); - JSON_ASSERT(m_type != value_t::string || m_value.string != nullptr); - JSON_ASSERT(m_type != value_t::binary || m_value.binary != nullptr); - } - - public: - ////////////////////////// - // JSON parser callback // - ////////////////////////// - - /*! - @brief parser event types - - The parser callback distinguishes the following events: - - `object_start`: the parser read `{` and started to process a JSON object - - `key`: the parser read a key of a value in an object - - `object_end`: the parser read `}` and finished processing a JSON object - - `array_start`: the parser read `[` and started to process a JSON array - - `array_end`: the parser read `]` and finished processing a JSON array - - `value`: the parser finished reading a JSON value - - @image html callback_events.png "Example when certain parse events are triggered" - - @sa @ref parser_callback_t for more information and examples - */ - using parse_event_t = detail::parse_event_t; - - /*! - @brief per-element parser callback type - - With a parser callback function, the result of parsing a JSON text can be - influenced. When passed to @ref parse, it is called on certain events - (passed as @ref parse_event_t via parameter @a event) with a set recursion - depth @a depth and context JSON value @a parsed. The return value of the - callback function is a boolean indicating whether the element that emitted - the callback shall be kept or not. - - We distinguish six scenarios (determined by the event type) in which the - callback function can be called. The following table describes the values - of the parameters @a depth, @a event, and @a parsed. - - parameter @a event | description | parameter @a depth | parameter @a parsed - ------------------ | ----------- | ------------------ | ------------------- - parse_event_t::object_start | the parser read `{` and started to process a JSON object | depth of the parent of the JSON object | a JSON value with type discarded - parse_event_t::key | the parser read a key of a value in an object | depth of the currently parsed JSON object | a JSON string containing the key - parse_event_t::object_end | the parser read `}` and finished processing a JSON object | depth of the parent of the JSON object | the parsed JSON object - parse_event_t::array_start | the parser read `[` and started to process a JSON array | depth of the parent of the JSON array | a JSON value with type discarded - parse_event_t::array_end | the parser read `]` and finished processing a JSON array | depth of the parent of the JSON array | the parsed JSON array - parse_event_t::value | the parser finished reading a JSON value | depth of the value | the parsed JSON value - - @image html callback_events.png "Example when certain parse events are triggered" - - Discarding a value (i.e., returning `false`) has different effects - depending on the context in which function was called: - - - Discarded values in structured types are skipped. That is, the parser - will behave as if the discarded value was never read. - - In case a value outside a structured type is skipped, it is replaced - with `null`. This case happens if the top-level element is skipped. - - @param[in] depth the depth of the recursion during parsing - - @param[in] event an event of type parse_event_t indicating the context in - the callback function has been called - - @param[in,out] parsed the current intermediate parse result; note that - writing to this value has no effect for parse_event_t::key events - - @return Whether the JSON value which called the function during parsing - should be kept (`true`) or not (`false`). In the latter case, it is either - skipped completely or replaced by an empty discarded object. - - @sa @ref parse for examples - - @since version 1.0.0 - */ - using parser_callback_t = detail::parser_callback_t; - - ////////////////// - // constructors // - ////////////////// - - /// @name constructors and destructors - /// Constructors of class @ref basic_json, copy/move constructor, copy - /// assignment, static functions creating objects, and the destructor. - /// @{ - - /*! - @brief create an empty value with a given type - - Create an empty JSON value with a given type. The value will be default - initialized with an empty value which depends on the type: - - Value type | initial value - ----------- | ------------- - null | `null` - boolean | `false` - string | `""` - number | `0` - object | `{}` - array | `[]` - binary | empty array - - @param[in] v the type of the value to create - - @complexity Constant. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes to any JSON value. - - @liveexample{The following code shows the constructor for different @ref - value_t values,basic_json__value_t} - - @sa @ref clear() -- restores the postcondition of this constructor - - @since version 1.0.0 - */ - basic_json(const value_t v) - : m_type(v), m_value(v) - { - assert_invariant(); - } - - /*! - @brief create a null object - - Create a `null` JSON value. It either takes a null pointer as parameter - (explicitly creating `null`) or no parameter (implicitly creating `null`). - The passed null pointer itself is not read -- it is only used to choose - the right constructor. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this constructor never throws - exceptions. - - @liveexample{The following code shows the constructor with and without a - null pointer parameter.,basic_json__nullptr_t} - - @since version 1.0.0 - */ - basic_json(std::nullptr_t = nullptr) noexcept - : basic_json(value_t::null) - { - assert_invariant(); - } - - /*! - @brief create a JSON value - - This is a "catch all" constructor for all compatible JSON types; that is, - types for which a `to_json()` method exists. The constructor forwards the - parameter @a val to that method (to `json_serializer::to_json` method - with `U = uncvref_t`, to be exact). - - Template type @a CompatibleType includes, but is not limited to, the - following types: - - **arrays**: @ref array_t and all kinds of compatible containers such as - `std::vector`, `std::deque`, `std::list`, `std::forward_list`, - `std::array`, `std::valarray`, `std::set`, `std::unordered_set`, - `std::multiset`, and `std::unordered_multiset` with a `value_type` from - which a @ref basic_json value can be constructed. - - **objects**: @ref object_t and all kinds of compatible associative - containers such as `std::map`, `std::unordered_map`, `std::multimap`, - and `std::unordered_multimap` with a `key_type` compatible to - @ref string_t and a `value_type` from which a @ref basic_json value can - be constructed. - - **strings**: @ref string_t, string literals, and all compatible string - containers can be used. - - **numbers**: @ref number_integer_t, @ref number_unsigned_t, - @ref number_float_t, and all convertible number types such as `int`, - `size_t`, `int64_t`, `float` or `double` can be used. - - **boolean**: @ref boolean_t / `bool` can be used. - - **binary**: @ref binary_t / `std::vector` may be used, - unfortunately because string literals cannot be distinguished from binary - character arrays by the C++ type system, all types compatible with `const - char*` will be directed to the string constructor instead. This is both - for backwards compatibility, and due to the fact that a binary type is not - a standard JSON type. - - See the examples below. - - @tparam CompatibleType a type such that: - - @a CompatibleType is not derived from `std::istream`, - - @a CompatibleType is not @ref basic_json (to avoid hijacking copy/move - constructors), - - @a CompatibleType is not a different @ref basic_json type (i.e. with different template arguments) - - @a CompatibleType is not a @ref basic_json nested type (e.g., - @ref json_pointer, @ref iterator, etc ...) - - @ref @ref json_serializer has a - `to_json(basic_json_t&, CompatibleType&&)` method - - @tparam U = `uncvref_t` - - @param[in] val the value to be forwarded to the respective constructor - - @complexity Usually linear in the size of the passed @a val, also - depending on the implementation of the called `to_json()` - method. - - @exceptionsafety Depends on the called constructor. For types directly - supported by the library (i.e., all types for which no `to_json()` function - was provided), strong guarantee holds: if an exception is thrown, there are - no changes to any JSON value. - - @liveexample{The following code shows the constructor with several - compatible types.,basic_json__CompatibleType} - - @since version 2.1.0 - */ - template < typename CompatibleType, - typename U = detail::uncvref_t, - detail::enable_if_t < - !detail::is_basic_json::value && detail::is_compatible_type::value, int > = 0 > - basic_json(CompatibleType && val) noexcept(noexcept( - JSONSerializer::to_json(std::declval(), - std::forward(val)))) - { - JSONSerializer::to_json(*this, std::forward(val)); - assert_invariant(); - } - - /*! - @brief create a JSON value from an existing one - - This is a constructor for existing @ref basic_json types. - It does not hijack copy/move constructors, since the parameter has different - template arguments than the current ones. - - The constructor tries to convert the internal @ref m_value of the parameter. - - @tparam BasicJsonType a type such that: - - @a BasicJsonType is a @ref basic_json type. - - @a BasicJsonType has different template arguments than @ref basic_json_t. - - @param[in] val the @ref basic_json value to be converted. - - @complexity Usually linear in the size of the passed @a val, also - depending on the implementation of the called `to_json()` - method. - - @exceptionsafety Depends on the called constructor. For types directly - supported by the library (i.e., all types for which no `to_json()` function - was provided), strong guarantee holds: if an exception is thrown, there are - no changes to any JSON value. - - @since version 3.2.0 - */ - template < typename BasicJsonType, - detail::enable_if_t < - detail::is_basic_json::value&& !std::is_same::value, int > = 0 > - basic_json(const BasicJsonType& val) - { - using other_boolean_t = typename BasicJsonType::boolean_t; - using other_number_float_t = typename BasicJsonType::number_float_t; - using other_number_integer_t = typename BasicJsonType::number_integer_t; - using other_number_unsigned_t = typename BasicJsonType::number_unsigned_t; - using other_string_t = typename BasicJsonType::string_t; - using other_object_t = typename BasicJsonType::object_t; - using other_array_t = typename BasicJsonType::array_t; - using other_binary_t = typename BasicJsonType::binary_t; - - switch (val.type()) - { - case value_t::boolean: - JSONSerializer::to_json(*this, val.template get()); - break; - case value_t::number_float: - JSONSerializer::to_json(*this, val.template get()); - break; - case value_t::number_integer: - JSONSerializer::to_json(*this, val.template get()); - break; - case value_t::number_unsigned: - JSONSerializer::to_json(*this, val.template get()); - break; - case value_t::string: - JSONSerializer::to_json(*this, val.template get_ref()); - break; - case value_t::object: - JSONSerializer::to_json(*this, val.template get_ref()); - break; - case value_t::array: - JSONSerializer::to_json(*this, val.template get_ref()); - break; - case value_t::binary: - JSONSerializer::to_json(*this, val.template get_ref()); - break; - case value_t::null: - *this = nullptr; - break; - case value_t::discarded: - m_type = value_t::discarded; - break; - default: // LCOV_EXCL_LINE - JSON_ASSERT(false); // LCOV_EXCL_LINE - } - assert_invariant(); - } - - /*! - @brief create a container (array or object) from an initializer list - - Creates a JSON value of type array or object from the passed initializer - list @a init. In case @a type_deduction is `true` (default), the type of - the JSON value to be created is deducted from the initializer list @a init - according to the following rules: - - 1. If the list is empty, an empty JSON object value `{}` is created. - 2. If the list consists of pairs whose first element is a string, a JSON - object value is created where the first elements of the pairs are - treated as keys and the second elements are as values. - 3. In all other cases, an array is created. - - The rules aim to create the best fit between a C++ initializer list and - JSON values. The rationale is as follows: - - 1. The empty initializer list is written as `{}` which is exactly an empty - JSON object. - 2. C++ has no way of describing mapped types other than to list a list of - pairs. As JSON requires that keys must be of type string, rule 2 is the - weakest constraint one can pose on initializer lists to interpret them - as an object. - 3. In all other cases, the initializer list could not be interpreted as - JSON object type, so interpreting it as JSON array type is safe. - - With the rules described above, the following JSON values cannot be - expressed by an initializer list: - - - the empty array (`[]`): use @ref array(initializer_list_t) - with an empty initializer list in this case - - arrays whose elements satisfy rule 2: use @ref - array(initializer_list_t) with the same initializer list - in this case - - @note When used without parentheses around an empty initializer list, @ref - basic_json() is called instead of this function, yielding the JSON null - value. - - @param[in] init initializer list with JSON values - - @param[in] type_deduction internal parameter; when set to `true`, the type - of the JSON value is deducted from the initializer list @a init; when set - to `false`, the type provided via @a manual_type is forced. This mode is - used by the functions @ref array(initializer_list_t) and - @ref object(initializer_list_t). - - @param[in] manual_type internal parameter; when @a type_deduction is set - to `false`, the created JSON value will use the provided type (only @ref - value_t::array and @ref value_t::object are valid); when @a type_deduction - is set to `true`, this parameter has no effect - - @throw type_error.301 if @a type_deduction is `false`, @a manual_type is - `value_t::object`, but @a init contains an element which is not a pair - whose first element is a string. In this case, the constructor could not - create an object. If @a type_deduction would have be `true`, an array - would have been created. See @ref object(initializer_list_t) - for an example. - - @complexity Linear in the size of the initializer list @a init. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes to any JSON value. - - @liveexample{The example below shows how JSON values are created from - initializer lists.,basic_json__list_init_t} - - @sa @ref array(initializer_list_t) -- create a JSON array - value from an initializer list - @sa @ref object(initializer_list_t) -- create a JSON object - value from an initializer list - - @since version 1.0.0 - */ - basic_json(initializer_list_t init, - bool type_deduction = true, - value_t manual_type = value_t::array) - { - // check if each element is an array with two elements whose first - // element is a string - bool is_an_object = std::all_of(init.begin(), init.end(), - [](const detail::json_ref& element_ref) - { - return element_ref->is_array() && element_ref->size() == 2 && (*element_ref)[0].is_string(); - }); - - // adjust type if type deduction is not wanted - if (!type_deduction) - { - // if array is wanted, do not create an object though possible - if (manual_type == value_t::array) - { - is_an_object = false; - } - - // if object is wanted but impossible, throw an exception - if (JSON_HEDLEY_UNLIKELY(manual_type == value_t::object && !is_an_object)) - { - JSON_THROW(type_error::create(301, "cannot create object from initializer list")); - } - } - - if (is_an_object) - { - // the initializer list is a list of pairs -> create object - m_type = value_t::object; - m_value = value_t::object; - - std::for_each(init.begin(), init.end(), [this](const detail::json_ref& element_ref) - { - auto element = element_ref.moved_or_copied(); - m_value.object->emplace( - std::move(*((*element.m_value.array)[0].m_value.string)), - std::move((*element.m_value.array)[1])); - }); - } - else - { - // the initializer list describes an array -> create array - m_type = value_t::array; - m_value.array = create(init.begin(), init.end()); - } - - assert_invariant(); - } - - /*! - @brief explicitly create a binary array (without subtype) - - Creates a JSON binary array value from a given binary container. Binary - values are part of various binary formats, such as CBOR, MessagePack, and - BSON. This constructor is used to create a value for serialization to those - formats. - - @note Note, this function exists because of the difficulty in correctly - specifying the correct template overload in the standard value ctor, as both - JSON arrays and JSON binary arrays are backed with some form of a - `std::vector`. Because JSON binary arrays are a non-standard extension it - was decided that it would be best to prevent automatic initialization of a - binary array type, for backwards compatibility and so it does not happen on - accident. - - @param[in] init container containing bytes to use as binary type - - @return JSON binary array value - - @complexity Linear in the size of @a init. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes to any JSON value. - - @since version 3.8.0 - */ - JSON_HEDLEY_WARN_UNUSED_RESULT - static basic_json binary(const typename binary_t::container_type& init) - { - auto res = basic_json(); - res.m_type = value_t::binary; - res.m_value = init; - return res; - } - - /*! - @brief explicitly create a binary array (with subtype) - - Creates a JSON binary array value from a given binary container. Binary - values are part of various binary formats, such as CBOR, MessagePack, and - BSON. This constructor is used to create a value for serialization to those - formats. - - @note Note, this function exists because of the difficulty in correctly - specifying the correct template overload in the standard value ctor, as both - JSON arrays and JSON binary arrays are backed with some form of a - `std::vector`. Because JSON binary arrays are a non-standard extension it - was decided that it would be best to prevent automatic initialization of a - binary array type, for backwards compatibility and so it does not happen on - accident. - - @param[in] init container containing bytes to use as binary type - @param[in] subtype subtype to use in MessagePack and BSON - - @return JSON binary array value - - @complexity Linear in the size of @a init. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes to any JSON value. - - @since version 3.8.0 - */ - JSON_HEDLEY_WARN_UNUSED_RESULT - static basic_json binary(const typename binary_t::container_type& init, std::uint8_t subtype) - { - auto res = basic_json(); - res.m_type = value_t::binary; - res.m_value = binary_t(init, subtype); - return res; - } - - /// @copydoc binary(const typename binary_t::container_type&) - JSON_HEDLEY_WARN_UNUSED_RESULT - static basic_json binary(typename binary_t::container_type&& init) - { - auto res = basic_json(); - res.m_type = value_t::binary; - res.m_value = std::move(init); - return res; - } - - /// @copydoc binary(const typename binary_t::container_type&, std::uint8_t) - JSON_HEDLEY_WARN_UNUSED_RESULT - static basic_json binary(typename binary_t::container_type&& init, std::uint8_t subtype) - { - auto res = basic_json(); - res.m_type = value_t::binary; - res.m_value = binary_t(std::move(init), subtype); - return res; - } - - /*! - @brief explicitly create an array from an initializer list - - Creates a JSON array value from a given initializer list. That is, given a - list of values `a, b, c`, creates the JSON value `[a, b, c]`. If the - initializer list is empty, the empty array `[]` is created. - - @note This function is only needed to express two edge cases that cannot - be realized with the initializer list constructor (@ref - basic_json(initializer_list_t, bool, value_t)). These cases - are: - 1. creating an array whose elements are all pairs whose first element is a - string -- in this case, the initializer list constructor would create an - object, taking the first elements as keys - 2. creating an empty array -- passing the empty initializer list to the - initializer list constructor yields an empty object - - @param[in] init initializer list with JSON values to create an array from - (optional) - - @return JSON array value - - @complexity Linear in the size of @a init. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes to any JSON value. - - @liveexample{The following code shows an example for the `array` - function.,array} - - @sa @ref basic_json(initializer_list_t, bool, value_t) -- - create a JSON value from an initializer list - @sa @ref object(initializer_list_t) -- create a JSON object - value from an initializer list - - @since version 1.0.0 - */ - JSON_HEDLEY_WARN_UNUSED_RESULT - static basic_json array(initializer_list_t init = {}) - { - return basic_json(init, false, value_t::array); - } - - /*! - @brief explicitly create an object from an initializer list - - Creates a JSON object value from a given initializer list. The initializer - lists elements must be pairs, and their first elements must be strings. If - the initializer list is empty, the empty object `{}` is created. - - @note This function is only added for symmetry reasons. In contrast to the - related function @ref array(initializer_list_t), there are - no cases which can only be expressed by this function. That is, any - initializer list @a init can also be passed to the initializer list - constructor @ref basic_json(initializer_list_t, bool, value_t). - - @param[in] init initializer list to create an object from (optional) - - @return JSON object value - - @throw type_error.301 if @a init is not a list of pairs whose first - elements are strings. In this case, no object can be created. When such a - value is passed to @ref basic_json(initializer_list_t, bool, value_t), - an array would have been created from the passed initializer list @a init. - See example below. - - @complexity Linear in the size of @a init. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes to any JSON value. - - @liveexample{The following code shows an example for the `object` - function.,object} - - @sa @ref basic_json(initializer_list_t, bool, value_t) -- - create a JSON value from an initializer list - @sa @ref array(initializer_list_t) -- create a JSON array - value from an initializer list - - @since version 1.0.0 - */ - JSON_HEDLEY_WARN_UNUSED_RESULT - static basic_json object(initializer_list_t init = {}) - { - return basic_json(init, false, value_t::object); - } - - /*! - @brief construct an array with count copies of given value - - Constructs a JSON array value by creating @a cnt copies of a passed value. - In case @a cnt is `0`, an empty array is created. - - @param[in] cnt the number of JSON copies of @a val to create - @param[in] val the JSON value to copy - - @post `std::distance(begin(),end()) == cnt` holds. - - @complexity Linear in @a cnt. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes to any JSON value. - - @liveexample{The following code shows examples for the @ref - basic_json(size_type\, const basic_json&) - constructor.,basic_json__size_type_basic_json} - - @since version 1.0.0 - */ - basic_json(size_type cnt, const basic_json& val) - : m_type(value_t::array) - { - m_value.array = create(cnt, val); - assert_invariant(); - } - - /*! - @brief construct a JSON container given an iterator range - - Constructs the JSON value with the contents of the range `[first, last)`. - The semantics depends on the different types a JSON value can have: - - In case of a null type, invalid_iterator.206 is thrown. - - In case of other primitive types (number, boolean, or string), @a first - must be `begin()` and @a last must be `end()`. In this case, the value is - copied. Otherwise, invalid_iterator.204 is thrown. - - In case of structured types (array, object), the constructor behaves as - similar versions for `std::vector` or `std::map`; that is, a JSON array - or object is constructed from the values in the range. - - @tparam InputIT an input iterator type (@ref iterator or @ref - const_iterator) - - @param[in] first begin of the range to copy from (included) - @param[in] last end of the range to copy from (excluded) - - @pre Iterators @a first and @a last must be initialized. **This - precondition is enforced with an assertion (see warning).** If - assertions are switched off, a violation of this precondition yields - undefined behavior. - - @pre Range `[first, last)` is valid. Usually, this precondition cannot be - checked efficiently. Only certain edge cases are detected; see the - description of the exceptions below. A violation of this precondition - yields undefined behavior. - - @warning A precondition is enforced with a runtime assertion that will - result in calling `std::abort` if this precondition is not met. - Assertions can be disabled by defining `NDEBUG` at compile time. - See https://en.cppreference.com/w/cpp/error/assert for more - information. - - @throw invalid_iterator.201 if iterators @a first and @a last are not - compatible (i.e., do not belong to the same JSON value). In this case, - the range `[first, last)` is undefined. - @throw invalid_iterator.204 if iterators @a first and @a last belong to a - primitive type (number, boolean, or string), but @a first does not point - to the first element any more. In this case, the range `[first, last)` is - undefined. See example code below. - @throw invalid_iterator.206 if iterators @a first and @a last belong to a - null value. In this case, the range `[first, last)` is undefined. - - @complexity Linear in distance between @a first and @a last. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes to any JSON value. - - @liveexample{The example below shows several ways to create JSON values by - specifying a subrange with iterators.,basic_json__InputIt_InputIt} - - @since version 1.0.0 - */ - template < class InputIT, typename std::enable_if < - std::is_same::value || - std::is_same::value, int >::type = 0 > - basic_json(InputIT first, InputIT last) - { - JSON_ASSERT(first.m_object != nullptr); - JSON_ASSERT(last.m_object != nullptr); - - // make sure iterator fits the current value - if (JSON_HEDLEY_UNLIKELY(first.m_object != last.m_object)) - { - JSON_THROW(invalid_iterator::create(201, "iterators are not compatible")); - } - - // copy type from first iterator - m_type = first.m_object->m_type; - - // check if iterator range is complete for primitive values - switch (m_type) - { - case value_t::boolean: - case value_t::number_float: - case value_t::number_integer: - case value_t::number_unsigned: - case value_t::string: - { - if (JSON_HEDLEY_UNLIKELY(!first.m_it.primitive_iterator.is_begin() - || !last.m_it.primitive_iterator.is_end())) - { - JSON_THROW(invalid_iterator::create(204, "iterators out of range")); - } - break; - } - - default: - break; - } - - switch (m_type) - { - case value_t::number_integer: - { - m_value.number_integer = first.m_object->m_value.number_integer; - break; - } - - case value_t::number_unsigned: - { - m_value.number_unsigned = first.m_object->m_value.number_unsigned; - break; - } - - case value_t::number_float: - { - m_value.number_float = first.m_object->m_value.number_float; - break; - } - - case value_t::boolean: - { - m_value.boolean = first.m_object->m_value.boolean; - break; - } - - case value_t::string: - { - m_value = *first.m_object->m_value.string; - break; - } - - case value_t::object: - { - m_value.object = create(first.m_it.object_iterator, - last.m_it.object_iterator); - break; - } - - case value_t::array: - { - m_value.array = create(first.m_it.array_iterator, - last.m_it.array_iterator); - break; - } - - case value_t::binary: - { - m_value = *first.m_object->m_value.binary; - break; - } - - default: - JSON_THROW(invalid_iterator::create(206, "cannot construct with iterators from " + - std::string(first.m_object->type_name()))); - } - - assert_invariant(); - } - - - /////////////////////////////////////// - // other constructors and destructor // - /////////////////////////////////////// - - template, - std::is_same>::value, int> = 0 > - basic_json(const JsonRef& ref) : basic_json(ref.moved_or_copied()) {} - - /*! - @brief copy constructor - - Creates a copy of a given JSON value. - - @param[in] other the JSON value to copy - - @post `*this == other` - - @complexity Linear in the size of @a other. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes to any JSON value. - - @requirement This function helps `basic_json` satisfying the - [Container](https://en.cppreference.com/w/cpp/named_req/Container) - requirements: - - The complexity is linear. - - As postcondition, it holds: `other == basic_json(other)`. - - @liveexample{The following code shows an example for the copy - constructor.,basic_json__basic_json} - - @since version 1.0.0 - */ - basic_json(const basic_json& other) - : m_type(other.m_type) - { - // check of passed value is valid - other.assert_invariant(); - - switch (m_type) - { - case value_t::object: - { - m_value = *other.m_value.object; - break; - } - - case value_t::array: - { - m_value = *other.m_value.array; - break; - } - - case value_t::string: - { - m_value = *other.m_value.string; - break; - } - - case value_t::boolean: - { - m_value = other.m_value.boolean; - break; - } - - case value_t::number_integer: - { - m_value = other.m_value.number_integer; - break; - } - - case value_t::number_unsigned: - { - m_value = other.m_value.number_unsigned; - break; - } - - case value_t::number_float: - { - m_value = other.m_value.number_float; - break; - } - - case value_t::binary: - { - m_value = *other.m_value.binary; - break; - } - - default: - break; - } - - assert_invariant(); - } - - /*! - @brief move constructor - - Move constructor. Constructs a JSON value with the contents of the given - value @a other using move semantics. It "steals" the resources from @a - other and leaves it as JSON null value. - - @param[in,out] other value to move to this object - - @post `*this` has the same value as @a other before the call. - @post @a other is a JSON null value. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this constructor never throws - exceptions. - - @requirement This function helps `basic_json` satisfying the - [MoveConstructible](https://en.cppreference.com/w/cpp/named_req/MoveConstructible) - requirements. - - @liveexample{The code below shows the move constructor explicitly called - via std::move.,basic_json__moveconstructor} - - @since version 1.0.0 - */ - basic_json(basic_json&& other) noexcept - : m_type(std::move(other.m_type)), - m_value(std::move(other.m_value)) - { - // check that passed value is valid - other.assert_invariant(); - - // invalidate payload - other.m_type = value_t::null; - other.m_value = {}; - - assert_invariant(); - } - - /*! - @brief copy assignment - - Copy assignment operator. Copies a JSON value via the "copy and swap" - strategy: It is expressed in terms of the copy constructor, destructor, - and the `swap()` member function. - - @param[in] other value to copy from - - @complexity Linear. - - @requirement This function helps `basic_json` satisfying the - [Container](https://en.cppreference.com/w/cpp/named_req/Container) - requirements: - - The complexity is linear. - - @liveexample{The code below shows and example for the copy assignment. It - creates a copy of value `a` which is then swapped with `b`. Finally\, the - copy of `a` (which is the null value after the swap) is - destroyed.,basic_json__copyassignment} - - @since version 1.0.0 - */ - basic_json& operator=(basic_json other) noexcept ( - std::is_nothrow_move_constructible::value&& - std::is_nothrow_move_assignable::value&& - std::is_nothrow_move_constructible::value&& - std::is_nothrow_move_assignable::value - ) - { - // check that passed value is valid - other.assert_invariant(); - - using std::swap; - swap(m_type, other.m_type); - swap(m_value, other.m_value); - - assert_invariant(); - return *this; - } - - /*! - @brief destructor - - Destroys the JSON value and frees all allocated memory. - - @complexity Linear. - - @requirement This function helps `basic_json` satisfying the - [Container](https://en.cppreference.com/w/cpp/named_req/Container) - requirements: - - The complexity is linear. - - All stored elements are destroyed and all memory is freed. - - @since version 1.0.0 - */ - ~basic_json() noexcept - { - assert_invariant(); - m_value.destroy(m_type); - } - - /// @} - - public: - /////////////////////// - // object inspection // - /////////////////////// - - /// @name object inspection - /// Functions to inspect the type of a JSON value. - /// @{ - - /*! - @brief serialization - - Serialization function for JSON values. The function tries to mimic - Python's `json.dumps()` function, and currently supports its @a indent - and @a ensure_ascii parameters. - - @param[in] indent If indent is nonnegative, then array elements and object - members will be pretty-printed with that indent level. An indent level of - `0` will only insert newlines. `-1` (the default) selects the most compact - representation. - @param[in] indent_char The character to use for indentation if @a indent is - greater than `0`. The default is ` ` (space). - @param[in] ensure_ascii If @a ensure_ascii is true, all non-ASCII characters - in the output are escaped with `\uXXXX` sequences, and the result consists - of ASCII characters only. - @param[in] error_handler how to react on decoding errors; there are three - possible values: `strict` (throws and exception in case a decoding error - occurs; default), `replace` (replace invalid UTF-8 sequences with U+FFFD), - and `ignore` (ignore invalid UTF-8 sequences during serialization; all - bytes are copied to the output unchanged). - - @return string containing the serialization of the JSON value - - @throw type_error.316 if a string stored inside the JSON value is not - UTF-8 encoded and @a error_handler is set to strict - - @note Binary values are serialized as object containing two keys: - - "bytes": an array of bytes as integers - - "subtype": the subtype as integer or "null" if the binary has no subtype - - @complexity Linear. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes in the JSON value. - - @liveexample{The following example shows the effect of different @a indent\, - @a indent_char\, and @a ensure_ascii parameters to the result of the - serialization.,dump} - - @see https://docs.python.org/2/library/json.html#json.dump - - @since version 1.0.0; indentation character @a indent_char, option - @a ensure_ascii and exceptions added in version 3.0.0; error - handlers added in version 3.4.0; serialization of binary values added - in version 3.8.0. - */ - string_t dump(const int indent = -1, - const char indent_char = ' ', - const bool ensure_ascii = false, - const error_handler_t error_handler = error_handler_t::strict) const - { - string_t result; - serializer s(detail::output_adapter(result), indent_char, error_handler); - - if (indent >= 0) - { - s.dump(*this, true, ensure_ascii, static_cast(indent)); - } - else - { - s.dump(*this, false, ensure_ascii, 0); - } - - return result; - } - - /*! - @brief return the type of the JSON value (explicit) - - Return the type of the JSON value as a value from the @ref value_t - enumeration. - - @return the type of the JSON value - Value type | return value - ------------------------- | ------------------------- - null | value_t::null - boolean | value_t::boolean - string | value_t::string - number (integer) | value_t::number_integer - number (unsigned integer) | value_t::number_unsigned - number (floating-point) | value_t::number_float - object | value_t::object - array | value_t::array - binary | value_t::binary - discarded | value_t::discarded - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `type()` for all JSON - types.,type} - - @sa @ref operator value_t() -- return the type of the JSON value (implicit) - @sa @ref type_name() -- return the type as string - - @since version 1.0.0 - */ - constexpr value_t type() const noexcept - { - return m_type; - } - - /*! - @brief return whether type is primitive - - This function returns true if and only if the JSON type is primitive - (string, number, boolean, or null). - - @return `true` if type is primitive (string, number, boolean, or null), - `false` otherwise. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `is_primitive()` for all JSON - types.,is_primitive} - - @sa @ref is_structured() -- returns whether JSON value is structured - @sa @ref is_null() -- returns whether JSON value is `null` - @sa @ref is_string() -- returns whether JSON value is a string - @sa @ref is_boolean() -- returns whether JSON value is a boolean - @sa @ref is_number() -- returns whether JSON value is a number - @sa @ref is_binary() -- returns whether JSON value is a binary array - - @since version 1.0.0 - */ - constexpr bool is_primitive() const noexcept - { - return is_null() || is_string() || is_boolean() || is_number() || is_binary(); - } - - /*! - @brief return whether type is structured - - This function returns true if and only if the JSON type is structured - (array or object). - - @return `true` if type is structured (array or object), `false` otherwise. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `is_structured()` for all JSON - types.,is_structured} - - @sa @ref is_primitive() -- returns whether value is primitive - @sa @ref is_array() -- returns whether value is an array - @sa @ref is_object() -- returns whether value is an object - - @since version 1.0.0 - */ - constexpr bool is_structured() const noexcept - { - return is_array() || is_object(); - } - - /*! - @brief return whether value is null - - This function returns true if and only if the JSON value is null. - - @return `true` if type is null, `false` otherwise. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `is_null()` for all JSON - types.,is_null} - - @since version 1.0.0 - */ - constexpr bool is_null() const noexcept - { - return m_type == value_t::null; - } - - /*! - @brief return whether value is a boolean - - This function returns true if and only if the JSON value is a boolean. - - @return `true` if type is boolean, `false` otherwise. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `is_boolean()` for all JSON - types.,is_boolean} - - @since version 1.0.0 - */ - constexpr bool is_boolean() const noexcept - { - return m_type == value_t::boolean; - } - - /*! - @brief return whether value is a number - - This function returns true if and only if the JSON value is a number. This - includes both integer (signed and unsigned) and floating-point values. - - @return `true` if type is number (regardless whether integer, unsigned - integer or floating-type), `false` otherwise. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `is_number()` for all JSON - types.,is_number} - - @sa @ref is_number_integer() -- check if value is an integer or unsigned - integer number - @sa @ref is_number_unsigned() -- check if value is an unsigned integer - number - @sa @ref is_number_float() -- check if value is a floating-point number - - @since version 1.0.0 - */ - constexpr bool is_number() const noexcept - { - return is_number_integer() || is_number_float(); - } - - /*! - @brief return whether value is an integer number - - This function returns true if and only if the JSON value is a signed or - unsigned integer number. This excludes floating-point values. - - @return `true` if type is an integer or unsigned integer number, `false` - otherwise. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `is_number_integer()` for all - JSON types.,is_number_integer} - - @sa @ref is_number() -- check if value is a number - @sa @ref is_number_unsigned() -- check if value is an unsigned integer - number - @sa @ref is_number_float() -- check if value is a floating-point number - - @since version 1.0.0 - */ - constexpr bool is_number_integer() const noexcept - { - return m_type == value_t::number_integer || m_type == value_t::number_unsigned; - } - - /*! - @brief return whether value is an unsigned integer number - - This function returns true if and only if the JSON value is an unsigned - integer number. This excludes floating-point and signed integer values. - - @return `true` if type is an unsigned integer number, `false` otherwise. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `is_number_unsigned()` for all - JSON types.,is_number_unsigned} - - @sa @ref is_number() -- check if value is a number - @sa @ref is_number_integer() -- check if value is an integer or unsigned - integer number - @sa @ref is_number_float() -- check if value is a floating-point number - - @since version 2.0.0 - */ - constexpr bool is_number_unsigned() const noexcept - { - return m_type == value_t::number_unsigned; - } - - /*! - @brief return whether value is a floating-point number - - This function returns true if and only if the JSON value is a - floating-point number. This excludes signed and unsigned integer values. - - @return `true` if type is a floating-point number, `false` otherwise. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `is_number_float()` for all - JSON types.,is_number_float} - - @sa @ref is_number() -- check if value is number - @sa @ref is_number_integer() -- check if value is an integer number - @sa @ref is_number_unsigned() -- check if value is an unsigned integer - number - - @since version 1.0.0 - */ - constexpr bool is_number_float() const noexcept - { - return m_type == value_t::number_float; - } - - /*! - @brief return whether value is an object - - This function returns true if and only if the JSON value is an object. - - @return `true` if type is object, `false` otherwise. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `is_object()` for all JSON - types.,is_object} - - @since version 1.0.0 - */ - constexpr bool is_object() const noexcept - { - return m_type == value_t::object; - } - - /*! - @brief return whether value is an array - - This function returns true if and only if the JSON value is an array. - - @return `true` if type is array, `false` otherwise. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `is_array()` for all JSON - types.,is_array} - - @since version 1.0.0 - */ - constexpr bool is_array() const noexcept - { - return m_type == value_t::array; - } - - /*! - @brief return whether value is a string - - This function returns true if and only if the JSON value is a string. - - @return `true` if type is string, `false` otherwise. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `is_string()` for all JSON - types.,is_string} - - @since version 1.0.0 - */ - constexpr bool is_string() const noexcept - { - return m_type == value_t::string; - } - - /*! - @brief return whether value is a binary array - - This function returns true if and only if the JSON value is a binary array. - - @return `true` if type is binary array, `false` otherwise. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `is_binary()` for all JSON - types.,is_binary} - - @since version 3.8.0 - */ - constexpr bool is_binary() const noexcept - { - return m_type == value_t::binary; - } - - /*! - @brief return whether value is discarded - - This function returns true if and only if the JSON value was discarded - during parsing with a callback function (see @ref parser_callback_t). - - @note This function will always be `false` for JSON values after parsing. - That is, discarded values can only occur during parsing, but will be - removed when inside a structured value or replaced by null in other cases. - - @return `true` if type is discarded, `false` otherwise. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `is_discarded()` for all JSON - types.,is_discarded} - - @since version 1.0.0 - */ - constexpr bool is_discarded() const noexcept - { - return m_type == value_t::discarded; - } - - /*! - @brief return the type of the JSON value (implicit) - - Implicitly return the type of the JSON value as a value from the @ref - value_t enumeration. - - @return the type of the JSON value - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies the @ref value_t operator for - all JSON types.,operator__value_t} - - @sa @ref type() -- return the type of the JSON value (explicit) - @sa @ref type_name() -- return the type as string - - @since version 1.0.0 - */ - constexpr operator value_t() const noexcept - { - return m_type; - } - - /// @} - - private: - ////////////////// - // value access // - ////////////////// - - /// get a boolean (explicit) - boolean_t get_impl(boolean_t* /*unused*/) const - { - if (JSON_HEDLEY_LIKELY(is_boolean())) - { - return m_value.boolean; - } - - JSON_THROW(type_error::create(302, "type must be boolean, but is " + std::string(type_name()))); - } - - /// get a pointer to the value (object) - object_t* get_impl_ptr(object_t* /*unused*/) noexcept - { - return is_object() ? m_value.object : nullptr; - } - - /// get a pointer to the value (object) - constexpr const object_t* get_impl_ptr(const object_t* /*unused*/) const noexcept - { - return is_object() ? m_value.object : nullptr; - } - - /// get a pointer to the value (array) - array_t* get_impl_ptr(array_t* /*unused*/) noexcept - { - return is_array() ? m_value.array : nullptr; - } - - /// get a pointer to the value (array) - constexpr const array_t* get_impl_ptr(const array_t* /*unused*/) const noexcept - { - return is_array() ? m_value.array : nullptr; - } - - /// get a pointer to the value (string) - string_t* get_impl_ptr(string_t* /*unused*/) noexcept - { - return is_string() ? m_value.string : nullptr; - } - - /// get a pointer to the value (string) - constexpr const string_t* get_impl_ptr(const string_t* /*unused*/) const noexcept - { - return is_string() ? m_value.string : nullptr; - } - - /// get a pointer to the value (boolean) - boolean_t* get_impl_ptr(boolean_t* /*unused*/) noexcept - { - return is_boolean() ? &m_value.boolean : nullptr; - } - - /// get a pointer to the value (boolean) - constexpr const boolean_t* get_impl_ptr(const boolean_t* /*unused*/) const noexcept - { - return is_boolean() ? &m_value.boolean : nullptr; - } - - /// get a pointer to the value (integer number) - number_integer_t* get_impl_ptr(number_integer_t* /*unused*/) noexcept - { - return is_number_integer() ? &m_value.number_integer : nullptr; - } - - /// get a pointer to the value (integer number) - constexpr const number_integer_t* get_impl_ptr(const number_integer_t* /*unused*/) const noexcept - { - return is_number_integer() ? &m_value.number_integer : nullptr; - } - - /// get a pointer to the value (unsigned number) - number_unsigned_t* get_impl_ptr(number_unsigned_t* /*unused*/) noexcept - { - return is_number_unsigned() ? &m_value.number_unsigned : nullptr; - } - - /// get a pointer to the value (unsigned number) - constexpr const number_unsigned_t* get_impl_ptr(const number_unsigned_t* /*unused*/) const noexcept - { - return is_number_unsigned() ? &m_value.number_unsigned : nullptr; - } - - /// get a pointer to the value (floating-point number) - number_float_t* get_impl_ptr(number_float_t* /*unused*/) noexcept - { - return is_number_float() ? &m_value.number_float : nullptr; - } - - /// get a pointer to the value (floating-point number) - constexpr const number_float_t* get_impl_ptr(const number_float_t* /*unused*/) const noexcept - { - return is_number_float() ? &m_value.number_float : nullptr; - } - - /// get a pointer to the value (binary) - binary_t* get_impl_ptr(binary_t* /*unused*/) noexcept - { - return is_binary() ? m_value.binary : nullptr; - } - - /// get a pointer to the value (binary) - constexpr const binary_t* get_impl_ptr(const binary_t* /*unused*/) const noexcept - { - return is_binary() ? m_value.binary : nullptr; - } - - /*! - @brief helper function to implement get_ref() - - This function helps to implement get_ref() without code duplication for - const and non-const overloads - - @tparam ThisType will be deduced as `basic_json` or `const basic_json` - - @throw type_error.303 if ReferenceType does not match underlying value - type of the current JSON - */ - template - static ReferenceType get_ref_impl(ThisType& obj) - { - // delegate the call to get_ptr<>() - auto ptr = obj.template get_ptr::type>(); - - if (JSON_HEDLEY_LIKELY(ptr != nullptr)) - { - return *ptr; - } - - JSON_THROW(type_error::create(303, "incompatible ReferenceType for get_ref, actual type is " + std::string(obj.type_name()))); - } - - public: - /// @name value access - /// Direct access to the stored value of a JSON value. - /// @{ - - /*! - @brief get special-case overload - - This overloads avoids a lot of template boilerplate, it can be seen as the - identity method - - @tparam BasicJsonType == @ref basic_json - - @return a copy of *this - - @complexity Constant. - - @since version 2.1.0 - */ - template::type, basic_json_t>::value, - int> = 0> - basic_json get() const - { - return *this; - } - - /*! - @brief get special-case overload - - This overloads converts the current @ref basic_json in a different - @ref basic_json type - - @tparam BasicJsonType == @ref basic_json - - @return a copy of *this, converted into @tparam BasicJsonType - - @complexity Depending on the implementation of the called `from_json()` - method. - - @since version 3.2.0 - */ - template < typename BasicJsonType, detail::enable_if_t < - !std::is_same::value&& - detail::is_basic_json::value, int > = 0 > - BasicJsonType get() const - { - return *this; - } - - /*! - @brief get a value (explicit) - - Explicit type conversion between the JSON value and a compatible value - which is [CopyConstructible](https://en.cppreference.com/w/cpp/named_req/CopyConstructible) - and [DefaultConstructible](https://en.cppreference.com/w/cpp/named_req/DefaultConstructible). - The value is converted by calling the @ref json_serializer - `from_json()` method. - - The function is equivalent to executing - @code {.cpp} - ValueType ret; - JSONSerializer::from_json(*this, ret); - return ret; - @endcode - - This overloads is chosen if: - - @a ValueType is not @ref basic_json, - - @ref json_serializer has a `from_json()` method of the form - `void from_json(const basic_json&, ValueType&)`, and - - @ref json_serializer does not have a `from_json()` method of - the form `ValueType from_json(const basic_json&)` - - @tparam ValueTypeCV the provided value type - @tparam ValueType the returned value type - - @return copy of the JSON value, converted to @a ValueType - - @throw what @ref json_serializer `from_json()` method throws - - @liveexample{The example below shows several conversions from JSON values - to other types. There a few things to note: (1) Floating-point numbers can - be converted to integers\, (2) A JSON array can be converted to a standard - `std::vector`\, (3) A JSON object can be converted to C++ - associative containers such as `std::unordered_map`.,get__ValueType_const} - - @since version 2.1.0 - */ - template < typename ValueTypeCV, typename ValueType = detail::uncvref_t, - detail::enable_if_t < - !detail::is_basic_json::value && - detail::has_from_json::value && - !detail::has_non_default_from_json::value, - int > = 0 > - ValueType get() const noexcept(noexcept( - JSONSerializer::from_json(std::declval(), std::declval()))) - { - // we cannot static_assert on ValueTypeCV being non-const, because - // there is support for get(), which is why we - // still need the uncvref - static_assert(!std::is_reference::value, - "get() cannot be used with reference types, you might want to use get_ref()"); - static_assert(std::is_default_constructible::value, - "types must be DefaultConstructible when used with get()"); - - ValueType ret; - JSONSerializer::from_json(*this, ret); - return ret; - } - - /*! - @brief get a value (explicit); special case - - Explicit type conversion between the JSON value and a compatible value - which is **not** [CopyConstructible](https://en.cppreference.com/w/cpp/named_req/CopyConstructible) - and **not** [DefaultConstructible](https://en.cppreference.com/w/cpp/named_req/DefaultConstructible). - The value is converted by calling the @ref json_serializer - `from_json()` method. - - The function is equivalent to executing - @code {.cpp} - return JSONSerializer::from_json(*this); - @endcode - - This overloads is chosen if: - - @a ValueType is not @ref basic_json and - - @ref json_serializer has a `from_json()` method of the form - `ValueType from_json(const basic_json&)` - - @note If @ref json_serializer has both overloads of - `from_json()`, this one is chosen. - - @tparam ValueTypeCV the provided value type - @tparam ValueType the returned value type - - @return copy of the JSON value, converted to @a ValueType - - @throw what @ref json_serializer `from_json()` method throws - - @since version 2.1.0 - */ - template < typename ValueTypeCV, typename ValueType = detail::uncvref_t, - detail::enable_if_t < !std::is_same::value && - detail::has_non_default_from_json::value, - int > = 0 > - ValueType get() const noexcept(noexcept( - JSONSerializer::from_json(std::declval()))) - { - static_assert(!std::is_reference::value, - "get() cannot be used with reference types, you might want to use get_ref()"); - return JSONSerializer::from_json(*this); - } - - /*! - @brief get a value (explicit) - - Explicit type conversion between the JSON value and a compatible value. - The value is filled into the input parameter by calling the @ref json_serializer - `from_json()` method. - - The function is equivalent to executing - @code {.cpp} - ValueType v; - JSONSerializer::from_json(*this, v); - @endcode - - This overloads is chosen if: - - @a ValueType is not @ref basic_json, - - @ref json_serializer has a `from_json()` method of the form - `void from_json(const basic_json&, ValueType&)`, and - - @tparam ValueType the input parameter type. - - @return the input parameter, allowing chaining calls. - - @throw what @ref json_serializer `from_json()` method throws - - @liveexample{The example below shows several conversions from JSON values - to other types. There a few things to note: (1) Floating-point numbers can - be converted to integers\, (2) A JSON array can be converted to a standard - `std::vector`\, (3) A JSON object can be converted to C++ - associative containers such as `std::unordered_map`.,get_to} - - @since version 3.3.0 - */ - template < typename ValueType, - detail::enable_if_t < - !detail::is_basic_json::value&& - detail::has_from_json::value, - int > = 0 > - ValueType & get_to(ValueType& v) const noexcept(noexcept( - JSONSerializer::from_json(std::declval(), v))) - { - JSONSerializer::from_json(*this, v); - return v; - } - - // specialization to allow to call get_to with a basic_json value - // see https://github.com/nlohmann/json/issues/2175 - template::value, - int> = 0> - ValueType & get_to(ValueType& v) const - { - v = *this; - return v; - } - - template < - typename T, std::size_t N, - typename Array = T (&)[N], - detail::enable_if_t < - detail::has_from_json::value, int > = 0 > - Array get_to(T (&v)[N]) const - noexcept(noexcept(JSONSerializer::from_json( - std::declval(), v))) - { - JSONSerializer::from_json(*this, v); - return v; - } - - - /*! - @brief get a pointer value (implicit) - - Implicit pointer access to the internally stored JSON value. No copies are - made. - - @warning Writing data to the pointee of the result yields an undefined - state. - - @tparam PointerType pointer type; must be a pointer to @ref array_t, @ref - object_t, @ref string_t, @ref boolean_t, @ref number_integer_t, - @ref number_unsigned_t, or @ref number_float_t. Enforced by a static - assertion. - - @return pointer to the internally stored JSON value if the requested - pointer type @a PointerType fits to the JSON value; `nullptr` otherwise - - @complexity Constant. - - @liveexample{The example below shows how pointers to internal values of a - JSON value can be requested. Note that no type conversions are made and a - `nullptr` is returned if the value and the requested pointer type does not - match.,get_ptr} - - @since version 1.0.0 - */ - template::value, int>::type = 0> - auto get_ptr() noexcept -> decltype(std::declval().get_impl_ptr(std::declval())) - { - // delegate the call to get_impl_ptr<>() - return get_impl_ptr(static_cast(nullptr)); - } - - /*! - @brief get a pointer value (implicit) - @copydoc get_ptr() - */ - template < typename PointerType, typename std::enable_if < - std::is_pointer::value&& - std::is_const::type>::value, int >::type = 0 > - constexpr auto get_ptr() const noexcept -> decltype(std::declval().get_impl_ptr(std::declval())) - { - // delegate the call to get_impl_ptr<>() const - return get_impl_ptr(static_cast(nullptr)); - } - - /*! - @brief get a pointer value (explicit) - - Explicit pointer access to the internally stored JSON value. No copies are - made. - - @warning The pointer becomes invalid if the underlying JSON object - changes. - - @tparam PointerType pointer type; must be a pointer to @ref array_t, @ref - object_t, @ref string_t, @ref boolean_t, @ref number_integer_t, - @ref number_unsigned_t, or @ref number_float_t. - - @return pointer to the internally stored JSON value if the requested - pointer type @a PointerType fits to the JSON value; `nullptr` otherwise - - @complexity Constant. - - @liveexample{The example below shows how pointers to internal values of a - JSON value can be requested. Note that no type conversions are made and a - `nullptr` is returned if the value and the requested pointer type does not - match.,get__PointerType} - - @sa @ref get_ptr() for explicit pointer-member access - - @since version 1.0.0 - */ - template::value, int>::type = 0> - auto get() noexcept -> decltype(std::declval().template get_ptr()) - { - // delegate the call to get_ptr - return get_ptr(); - } - - /*! - @brief get a pointer value (explicit) - @copydoc get() - */ - template::value, int>::type = 0> - constexpr auto get() const noexcept -> decltype(std::declval().template get_ptr()) - { - // delegate the call to get_ptr - return get_ptr(); - } - - /*! - @brief get a reference value (implicit) - - Implicit reference access to the internally stored JSON value. No copies - are made. - - @warning Writing data to the referee of the result yields an undefined - state. - - @tparam ReferenceType reference type; must be a reference to @ref array_t, - @ref object_t, @ref string_t, @ref boolean_t, @ref number_integer_t, or - @ref number_float_t. Enforced by static assertion. - - @return reference to the internally stored JSON value if the requested - reference type @a ReferenceType fits to the JSON value; throws - type_error.303 otherwise - - @throw type_error.303 in case passed type @a ReferenceType is incompatible - with the stored JSON value; see example below - - @complexity Constant. - - @liveexample{The example shows several calls to `get_ref()`.,get_ref} - - @since version 1.1.0 - */ - template::value, int>::type = 0> - ReferenceType get_ref() - { - // delegate call to get_ref_impl - return get_ref_impl(*this); - } - - /*! - @brief get a reference value (implicit) - @copydoc get_ref() - */ - template < typename ReferenceType, typename std::enable_if < - std::is_reference::value&& - std::is_const::type>::value, int >::type = 0 > - ReferenceType get_ref() const - { - // delegate call to get_ref_impl - return get_ref_impl(*this); - } - - /*! - @brief get a value (implicit) - - Implicit type conversion between the JSON value and a compatible value. - The call is realized by calling @ref get() const. - - @tparam ValueType non-pointer type compatible to the JSON value, for - instance `int` for JSON integer numbers, `bool` for JSON booleans, or - `std::vector` types for JSON arrays. The character type of @ref string_t - as well as an initializer list of this type is excluded to avoid - ambiguities as these types implicitly convert to `std::string`. - - @return copy of the JSON value, converted to type @a ValueType - - @throw type_error.302 in case passed type @a ValueType is incompatible - to the JSON value type (e.g., the JSON value is of type boolean, but a - string is requested); see example below - - @complexity Linear in the size of the JSON value. - - @liveexample{The example below shows several conversions from JSON values - to other types. There a few things to note: (1) Floating-point numbers can - be converted to integers\, (2) A JSON array can be converted to a standard - `std::vector`\, (3) A JSON object can be converted to C++ - associative containers such as `std::unordered_map`.,operator__ValueType} - - @since version 1.0.0 - */ - template < typename ValueType, typename std::enable_if < - !std::is_pointer::value&& - !std::is_same>::value&& - !std::is_same::value&& - !detail::is_basic_json::value - && !std::is_same>::value -#if defined(JSON_HAS_CPP_17) && (defined(__GNUC__) || (defined(_MSC_VER) && _MSC_VER >= 1910 && _MSC_VER <= 1914)) - && !std::is_same::value -#endif - && detail::is_detected::value - , int >::type = 0 > - JSON_EXPLICIT operator ValueType() const - { - // delegate the call to get<>() const - return get(); - } - - /*! - @return reference to the binary value - - @throw type_error.302 if the value is not binary - - @sa @ref is_binary() to check if the value is binary - - @since version 3.8.0 - */ - binary_t& get_binary() - { - if (!is_binary()) - { - JSON_THROW(type_error::create(302, "type must be binary, but is " + std::string(type_name()))); - } - - return *get_ptr(); - } - - /// @copydoc get_binary() - const binary_t& get_binary() const - { - if (!is_binary()) - { - JSON_THROW(type_error::create(302, "type must be binary, but is " + std::string(type_name()))); - } - - return *get_ptr(); - } - - /// @} - - - //////////////////// - // element access // - //////////////////// - - /// @name element access - /// Access to the JSON value. - /// @{ - - /*! - @brief access specified array element with bounds checking - - Returns a reference to the element at specified location @a idx, with - bounds checking. - - @param[in] idx index of the element to access - - @return reference to the element at index @a idx - - @throw type_error.304 if the JSON value is not an array; in this case, - calling `at` with an index makes no sense. See example below. - @throw out_of_range.401 if the index @a idx is out of range of the array; - that is, `idx >= size()`. See example below. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes in the JSON value. - - @complexity Constant. - - @since version 1.0.0 - - @liveexample{The example below shows how array elements can be read and - written using `at()`. It also demonstrates the different exceptions that - can be thrown.,at__size_type} - */ - reference at(size_type idx) - { - // at only works for arrays - if (JSON_HEDLEY_LIKELY(is_array())) - { - JSON_TRY - { - return m_value.array->at(idx); - } - JSON_CATCH (std::out_of_range&) - { - // create better exception explanation - JSON_THROW(out_of_range::create(401, "array index " + std::to_string(idx) + " is out of range")); - } - } - else - { - JSON_THROW(type_error::create(304, "cannot use at() with " + std::string(type_name()))); - } - } - - /*! - @brief access specified array element with bounds checking - - Returns a const reference to the element at specified location @a idx, - with bounds checking. - - @param[in] idx index of the element to access - - @return const reference to the element at index @a idx - - @throw type_error.304 if the JSON value is not an array; in this case, - calling `at` with an index makes no sense. See example below. - @throw out_of_range.401 if the index @a idx is out of range of the array; - that is, `idx >= size()`. See example below. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes in the JSON value. - - @complexity Constant. - - @since version 1.0.0 - - @liveexample{The example below shows how array elements can be read using - `at()`. It also demonstrates the different exceptions that can be thrown., - at__size_type_const} - */ - const_reference at(size_type idx) const - { - // at only works for arrays - if (JSON_HEDLEY_LIKELY(is_array())) - { - JSON_TRY - { - return m_value.array->at(idx); - } - JSON_CATCH (std::out_of_range&) - { - // create better exception explanation - JSON_THROW(out_of_range::create(401, "array index " + std::to_string(idx) + " is out of range")); - } - } - else - { - JSON_THROW(type_error::create(304, "cannot use at() with " + std::string(type_name()))); - } - } - - /*! - @brief access specified object element with bounds checking - - Returns a reference to the element at with specified key @a key, with - bounds checking. - - @param[in] key key of the element to access - - @return reference to the element at key @a key - - @throw type_error.304 if the JSON value is not an object; in this case, - calling `at` with a key makes no sense. See example below. - @throw out_of_range.403 if the key @a key is is not stored in the object; - that is, `find(key) == end()`. See example below. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes in the JSON value. - - @complexity Logarithmic in the size of the container. - - @sa @ref operator[](const typename object_t::key_type&) for unchecked - access by reference - @sa @ref value() for access by value with a default value - - @since version 1.0.0 - - @liveexample{The example below shows how object elements can be read and - written using `at()`. It also demonstrates the different exceptions that - can be thrown.,at__object_t_key_type} - */ - reference at(const typename object_t::key_type& key) - { - // at only works for objects - if (JSON_HEDLEY_LIKELY(is_object())) - { - JSON_TRY - { - return m_value.object->at(key); - } - JSON_CATCH (std::out_of_range&) - { - // create better exception explanation - JSON_THROW(out_of_range::create(403, "key '" + key + "' not found")); - } - } - else - { - JSON_THROW(type_error::create(304, "cannot use at() with " + std::string(type_name()))); - } - } - - /*! - @brief access specified object element with bounds checking - - Returns a const reference to the element at with specified key @a key, - with bounds checking. - - @param[in] key key of the element to access - - @return const reference to the element at key @a key - - @throw type_error.304 if the JSON value is not an object; in this case, - calling `at` with a key makes no sense. See example below. - @throw out_of_range.403 if the key @a key is is not stored in the object; - that is, `find(key) == end()`. See example below. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes in the JSON value. - - @complexity Logarithmic in the size of the container. - - @sa @ref operator[](const typename object_t::key_type&) for unchecked - access by reference - @sa @ref value() for access by value with a default value - - @since version 1.0.0 - - @liveexample{The example below shows how object elements can be read using - `at()`. It also demonstrates the different exceptions that can be thrown., - at__object_t_key_type_const} - */ - const_reference at(const typename object_t::key_type& key) const - { - // at only works for objects - if (JSON_HEDLEY_LIKELY(is_object())) - { - JSON_TRY - { - return m_value.object->at(key); - } - JSON_CATCH (std::out_of_range&) - { - // create better exception explanation - JSON_THROW(out_of_range::create(403, "key '" + key + "' not found")); - } - } - else - { - JSON_THROW(type_error::create(304, "cannot use at() with " + std::string(type_name()))); - } - } - - /*! - @brief access specified array element - - Returns a reference to the element at specified location @a idx. - - @note If @a idx is beyond the range of the array (i.e., `idx >= size()`), - then the array is silently filled up with `null` values to make `idx` a - valid reference to the last stored element. - - @param[in] idx index of the element to access - - @return reference to the element at index @a idx - - @throw type_error.305 if the JSON value is not an array or null; in that - cases, using the [] operator with an index makes no sense. - - @complexity Constant if @a idx is in the range of the array. Otherwise - linear in `idx - size()`. - - @liveexample{The example below shows how array elements can be read and - written using `[]` operator. Note the addition of `null` - values.,operatorarray__size_type} - - @since version 1.0.0 - */ - reference operator[](size_type idx) - { - // implicitly convert null value to an empty array - if (is_null()) - { - m_type = value_t::array; - m_value.array = create(); - assert_invariant(); - } - - // operator[] only works for arrays - if (JSON_HEDLEY_LIKELY(is_array())) - { - // fill up array with null values if given idx is outside range - if (idx >= m_value.array->size()) - { - m_value.array->insert(m_value.array->end(), - idx - m_value.array->size() + 1, - basic_json()); - } - - return m_value.array->operator[](idx); - } - - JSON_THROW(type_error::create(305, "cannot use operator[] with a numeric argument with " + std::string(type_name()))); - } - - /*! - @brief access specified array element - - Returns a const reference to the element at specified location @a idx. - - @param[in] idx index of the element to access - - @return const reference to the element at index @a idx - - @throw type_error.305 if the JSON value is not an array; in that case, - using the [] operator with an index makes no sense. - - @complexity Constant. - - @liveexample{The example below shows how array elements can be read using - the `[]` operator.,operatorarray__size_type_const} - - @since version 1.0.0 - */ - const_reference operator[](size_type idx) const - { - // const operator[] only works for arrays - if (JSON_HEDLEY_LIKELY(is_array())) - { - return m_value.array->operator[](idx); - } - - JSON_THROW(type_error::create(305, "cannot use operator[] with a numeric argument with " + std::string(type_name()))); - } - - /*! - @brief access specified object element - - Returns a reference to the element at with specified key @a key. - - @note If @a key is not found in the object, then it is silently added to - the object and filled with a `null` value to make `key` a valid reference. - In case the value was `null` before, it is converted to an object. - - @param[in] key key of the element to access - - @return reference to the element at key @a key - - @throw type_error.305 if the JSON value is not an object or null; in that - cases, using the [] operator with a key makes no sense. - - @complexity Logarithmic in the size of the container. - - @liveexample{The example below shows how object elements can be read and - written using the `[]` operator.,operatorarray__key_type} - - @sa @ref at(const typename object_t::key_type&) for access by reference - with range checking - @sa @ref value() for access by value with a default value - - @since version 1.0.0 - */ - reference operator[](const typename object_t::key_type& key) - { - // implicitly convert null value to an empty object - if (is_null()) - { - m_type = value_t::object; - m_value.object = create(); - assert_invariant(); - } - - // operator[] only works for objects - if (JSON_HEDLEY_LIKELY(is_object())) - { - return m_value.object->operator[](key); - } - - JSON_THROW(type_error::create(305, "cannot use operator[] with a string argument with " + std::string(type_name()))); - } - - /*! - @brief read-only access specified object element - - Returns a const reference to the element at with specified key @a key. No - bounds checking is performed. - - @warning If the element with key @a key does not exist, the behavior is - undefined. - - @param[in] key key of the element to access - - @return const reference to the element at key @a key - - @pre The element with key @a key must exist. **This precondition is - enforced with an assertion.** - - @throw type_error.305 if the JSON value is not an object; in that case, - using the [] operator with a key makes no sense. - - @complexity Logarithmic in the size of the container. - - @liveexample{The example below shows how object elements can be read using - the `[]` operator.,operatorarray__key_type_const} - - @sa @ref at(const typename object_t::key_type&) for access by reference - with range checking - @sa @ref value() for access by value with a default value - - @since version 1.0.0 - */ - const_reference operator[](const typename object_t::key_type& key) const - { - // const operator[] only works for objects - if (JSON_HEDLEY_LIKELY(is_object())) - { - JSON_ASSERT(m_value.object->find(key) != m_value.object->end()); - return m_value.object->find(key)->second; - } - - JSON_THROW(type_error::create(305, "cannot use operator[] with a string argument with " + std::string(type_name()))); - } - - /*! - @brief access specified object element - - Returns a reference to the element at with specified key @a key. - - @note If @a key is not found in the object, then it is silently added to - the object and filled with a `null` value to make `key` a valid reference. - In case the value was `null` before, it is converted to an object. - - @param[in] key key of the element to access - - @return reference to the element at key @a key - - @throw type_error.305 if the JSON value is not an object or null; in that - cases, using the [] operator with a key makes no sense. - - @complexity Logarithmic in the size of the container. - - @liveexample{The example below shows how object elements can be read and - written using the `[]` operator.,operatorarray__key_type} - - @sa @ref at(const typename object_t::key_type&) for access by reference - with range checking - @sa @ref value() for access by value with a default value - - @since version 1.1.0 - */ - template - JSON_HEDLEY_NON_NULL(2) - reference operator[](T* key) - { - // implicitly convert null to object - if (is_null()) - { - m_type = value_t::object; - m_value = value_t::object; - assert_invariant(); - } - - // at only works for objects - if (JSON_HEDLEY_LIKELY(is_object())) - { - return m_value.object->operator[](key); - } - - JSON_THROW(type_error::create(305, "cannot use operator[] with a string argument with " + std::string(type_name()))); - } - - /*! - @brief read-only access specified object element - - Returns a const reference to the element at with specified key @a key. No - bounds checking is performed. - - @warning If the element with key @a key does not exist, the behavior is - undefined. - - @param[in] key key of the element to access - - @return const reference to the element at key @a key - - @pre The element with key @a key must exist. **This precondition is - enforced with an assertion.** - - @throw type_error.305 if the JSON value is not an object; in that case, - using the [] operator with a key makes no sense. - - @complexity Logarithmic in the size of the container. - - @liveexample{The example below shows how object elements can be read using - the `[]` operator.,operatorarray__key_type_const} - - @sa @ref at(const typename object_t::key_type&) for access by reference - with range checking - @sa @ref value() for access by value with a default value - - @since version 1.1.0 - */ - template - JSON_HEDLEY_NON_NULL(2) - const_reference operator[](T* key) const - { - // at only works for objects - if (JSON_HEDLEY_LIKELY(is_object())) - { - JSON_ASSERT(m_value.object->find(key) != m_value.object->end()); - return m_value.object->find(key)->second; - } - - JSON_THROW(type_error::create(305, "cannot use operator[] with a string argument with " + std::string(type_name()))); - } - - /*! - @brief access specified object element with default value - - Returns either a copy of an object's element at the specified key @a key - or a given default value if no element with key @a key exists. - - The function is basically equivalent to executing - @code {.cpp} - try { - return at(key); - } catch(out_of_range) { - return default_value; - } - @endcode - - @note Unlike @ref at(const typename object_t::key_type&), this function - does not throw if the given key @a key was not found. - - @note Unlike @ref operator[](const typename object_t::key_type& key), this - function does not implicitly add an element to the position defined by @a - key. This function is furthermore also applicable to const objects. - - @param[in] key key of the element to access - @param[in] default_value the value to return if @a key is not found - - @tparam ValueType type compatible to JSON values, for instance `int` for - JSON integer numbers, `bool` for JSON booleans, or `std::vector` types for - JSON arrays. Note the type of the expected value at @a key and the default - value @a default_value must be compatible. - - @return copy of the element at key @a key or @a default_value if @a key - is not found - - @throw type_error.302 if @a default_value does not match the type of the - value at @a key - @throw type_error.306 if the JSON value is not an object; in that case, - using `value()` with a key makes no sense. - - @complexity Logarithmic in the size of the container. - - @liveexample{The example below shows how object elements can be queried - with a default value.,basic_json__value} - - @sa @ref at(const typename object_t::key_type&) for access by reference - with range checking - @sa @ref operator[](const typename object_t::key_type&) for unchecked - access by reference - - @since version 1.0.0 - */ - // using std::is_convertible in a std::enable_if will fail when using explicit conversions - template < class ValueType, typename std::enable_if < - detail::is_getable::value - && !std::is_same::value, int >::type = 0 > - ValueType value(const typename object_t::key_type& key, const ValueType& default_value) const - { - // at only works for objects - if (JSON_HEDLEY_LIKELY(is_object())) - { - // if key is found, return value and given default value otherwise - const auto it = find(key); - if (it != end()) - { - return it->template get(); - } - - return default_value; - } - - JSON_THROW(type_error::create(306, "cannot use value() with " + std::string(type_name()))); - } - - /*! - @brief overload for a default value of type const char* - @copydoc basic_json::value(const typename object_t::key_type&, const ValueType&) const - */ - string_t value(const typename object_t::key_type& key, const char* default_value) const - { - return value(key, string_t(default_value)); - } - - /*! - @brief access specified object element via JSON Pointer with default value - - Returns either a copy of an object's element at the specified key @a key - or a given default value if no element with key @a key exists. - - The function is basically equivalent to executing - @code {.cpp} - try { - return at(ptr); - } catch(out_of_range) { - return default_value; - } - @endcode - - @note Unlike @ref at(const json_pointer&), this function does not throw - if the given key @a key was not found. - - @param[in] ptr a JSON pointer to the element to access - @param[in] default_value the value to return if @a ptr found no value - - @tparam ValueType type compatible to JSON values, for instance `int` for - JSON integer numbers, `bool` for JSON booleans, or `std::vector` types for - JSON arrays. Note the type of the expected value at @a key and the default - value @a default_value must be compatible. - - @return copy of the element at key @a key or @a default_value if @a key - is not found - - @throw type_error.302 if @a default_value does not match the type of the - value at @a ptr - @throw type_error.306 if the JSON value is not an object; in that case, - using `value()` with a key makes no sense. - - @complexity Logarithmic in the size of the container. - - @liveexample{The example below shows how object elements can be queried - with a default value.,basic_json__value_ptr} - - @sa @ref operator[](const json_pointer&) for unchecked access by reference - - @since version 2.0.2 - */ - template::value, int>::type = 0> - ValueType value(const json_pointer& ptr, const ValueType& default_value) const - { - // at only works for objects - if (JSON_HEDLEY_LIKELY(is_object())) - { - // if pointer resolves a value, return it or use default value - JSON_TRY - { - return ptr.get_checked(this).template get(); - } - JSON_INTERNAL_CATCH (out_of_range&) - { - return default_value; - } - } - - JSON_THROW(type_error::create(306, "cannot use value() with " + std::string(type_name()))); - } - - /*! - @brief overload for a default value of type const char* - @copydoc basic_json::value(const json_pointer&, ValueType) const - */ - JSON_HEDLEY_NON_NULL(3) - string_t value(const json_pointer& ptr, const char* default_value) const - { - return value(ptr, string_t(default_value)); - } - - /*! - @brief access the first element - - Returns a reference to the first element in the container. For a JSON - container `c`, the expression `c.front()` is equivalent to `*c.begin()`. - - @return In case of a structured type (array or object), a reference to the - first element is returned. In case of number, string, boolean, or binary - values, a reference to the value is returned. - - @complexity Constant. - - @pre The JSON value must not be `null` (would throw `std::out_of_range`) - or an empty array or object (undefined behavior, **guarded by - assertions**). - @post The JSON value remains unchanged. - - @throw invalid_iterator.214 when called on `null` value - - @liveexample{The following code shows an example for `front()`.,front} - - @sa @ref back() -- access the last element - - @since version 1.0.0 - */ - reference front() - { - return *begin(); - } - - /*! - @copydoc basic_json::front() - */ - const_reference front() const - { - return *cbegin(); - } - - /*! - @brief access the last element - - Returns a reference to the last element in the container. For a JSON - container `c`, the expression `c.back()` is equivalent to - @code {.cpp} - auto tmp = c.end(); - --tmp; - return *tmp; - @endcode - - @return In case of a structured type (array or object), a reference to the - last element is returned. In case of number, string, boolean, or binary - values, a reference to the value is returned. - - @complexity Constant. - - @pre The JSON value must not be `null` (would throw `std::out_of_range`) - or an empty array or object (undefined behavior, **guarded by - assertions**). - @post The JSON value remains unchanged. - - @throw invalid_iterator.214 when called on a `null` value. See example - below. - - @liveexample{The following code shows an example for `back()`.,back} - - @sa @ref front() -- access the first element - - @since version 1.0.0 - */ - reference back() - { - auto tmp = end(); - --tmp; - return *tmp; - } - - /*! - @copydoc basic_json::back() - */ - const_reference back() const - { - auto tmp = cend(); - --tmp; - return *tmp; - } - - /*! - @brief remove element given an iterator - - Removes the element specified by iterator @a pos. The iterator @a pos must - be valid and dereferenceable. Thus the `end()` iterator (which is valid, - but is not dereferenceable) cannot be used as a value for @a pos. - - If called on a primitive type other than `null`, the resulting JSON value - will be `null`. - - @param[in] pos iterator to the element to remove - @return Iterator following the last removed element. If the iterator @a - pos refers to the last element, the `end()` iterator is returned. - - @tparam IteratorType an @ref iterator or @ref const_iterator - - @post Invalidates iterators and references at or after the point of the - erase, including the `end()` iterator. - - @throw type_error.307 if called on a `null` value; example: `"cannot use - erase() with null"` - @throw invalid_iterator.202 if called on an iterator which does not belong - to the current JSON value; example: `"iterator does not fit current - value"` - @throw invalid_iterator.205 if called on a primitive type with invalid - iterator (i.e., any iterator which is not `begin()`); example: `"iterator - out of range"` - - @complexity The complexity depends on the type: - - objects: amortized constant - - arrays: linear in distance between @a pos and the end of the container - - strings and binary: linear in the length of the member - - other types: constant - - @liveexample{The example shows the result of `erase()` for different JSON - types.,erase__IteratorType} - - @sa @ref erase(IteratorType, IteratorType) -- removes the elements in - the given range - @sa @ref erase(const typename object_t::key_type&) -- removes the element - from an object at the given key - @sa @ref erase(const size_type) -- removes the element from an array at - the given index - - @since version 1.0.0 - */ - template < class IteratorType, typename std::enable_if < - std::is_same::value || - std::is_same::value, int >::type - = 0 > - IteratorType erase(IteratorType pos) - { - // make sure iterator fits the current value - if (JSON_HEDLEY_UNLIKELY(this != pos.m_object)) - { - JSON_THROW(invalid_iterator::create(202, "iterator does not fit current value")); - } - - IteratorType result = end(); - - switch (m_type) - { - case value_t::boolean: - case value_t::number_float: - case value_t::number_integer: - case value_t::number_unsigned: - case value_t::string: - case value_t::binary: - { - if (JSON_HEDLEY_UNLIKELY(!pos.m_it.primitive_iterator.is_begin())) - { - JSON_THROW(invalid_iterator::create(205, "iterator out of range")); - } - - if (is_string()) - { - AllocatorType alloc; - std::allocator_traits::destroy(alloc, m_value.string); - std::allocator_traits::deallocate(alloc, m_value.string, 1); - m_value.string = nullptr; - } - else if (is_binary()) - { - AllocatorType alloc; - std::allocator_traits::destroy(alloc, m_value.binary); - std::allocator_traits::deallocate(alloc, m_value.binary, 1); - m_value.binary = nullptr; - } - - m_type = value_t::null; - assert_invariant(); - break; - } - - case value_t::object: - { - result.m_it.object_iterator = m_value.object->erase(pos.m_it.object_iterator); - break; - } - - case value_t::array: - { - result.m_it.array_iterator = m_value.array->erase(pos.m_it.array_iterator); - break; - } - - default: - JSON_THROW(type_error::create(307, "cannot use erase() with " + std::string(type_name()))); - } - - return result; - } - - /*! - @brief remove elements given an iterator range - - Removes the element specified by the range `[first; last)`. The iterator - @a first does not need to be dereferenceable if `first == last`: erasing - an empty range is a no-op. - - If called on a primitive type other than `null`, the resulting JSON value - will be `null`. - - @param[in] first iterator to the beginning of the range to remove - @param[in] last iterator past the end of the range to remove - @return Iterator following the last removed element. If the iterator @a - second refers to the last element, the `end()` iterator is returned. - - @tparam IteratorType an @ref iterator or @ref const_iterator - - @post Invalidates iterators and references at or after the point of the - erase, including the `end()` iterator. - - @throw type_error.307 if called on a `null` value; example: `"cannot use - erase() with null"` - @throw invalid_iterator.203 if called on iterators which does not belong - to the current JSON value; example: `"iterators do not fit current value"` - @throw invalid_iterator.204 if called on a primitive type with invalid - iterators (i.e., if `first != begin()` and `last != end()`); example: - `"iterators out of range"` - - @complexity The complexity depends on the type: - - objects: `log(size()) + std::distance(first, last)` - - arrays: linear in the distance between @a first and @a last, plus linear - in the distance between @a last and end of the container - - strings and binary: linear in the length of the member - - other types: constant - - @liveexample{The example shows the result of `erase()` for different JSON - types.,erase__IteratorType_IteratorType} - - @sa @ref erase(IteratorType) -- removes the element at a given position - @sa @ref erase(const typename object_t::key_type&) -- removes the element - from an object at the given key - @sa @ref erase(const size_type) -- removes the element from an array at - the given index - - @since version 1.0.0 - */ - template < class IteratorType, typename std::enable_if < - std::is_same::value || - std::is_same::value, int >::type - = 0 > - IteratorType erase(IteratorType first, IteratorType last) - { - // make sure iterator fits the current value - if (JSON_HEDLEY_UNLIKELY(this != first.m_object || this != last.m_object)) - { - JSON_THROW(invalid_iterator::create(203, "iterators do not fit current value")); - } - - IteratorType result = end(); - - switch (m_type) - { - case value_t::boolean: - case value_t::number_float: - case value_t::number_integer: - case value_t::number_unsigned: - case value_t::string: - case value_t::binary: - { - if (JSON_HEDLEY_LIKELY(!first.m_it.primitive_iterator.is_begin() - || !last.m_it.primitive_iterator.is_end())) - { - JSON_THROW(invalid_iterator::create(204, "iterators out of range")); - } - - if (is_string()) - { - AllocatorType alloc; - std::allocator_traits::destroy(alloc, m_value.string); - std::allocator_traits::deallocate(alloc, m_value.string, 1); - m_value.string = nullptr; - } - else if (is_binary()) - { - AllocatorType alloc; - std::allocator_traits::destroy(alloc, m_value.binary); - std::allocator_traits::deallocate(alloc, m_value.binary, 1); - m_value.binary = nullptr; - } - - m_type = value_t::null; - assert_invariant(); - break; - } - - case value_t::object: - { - result.m_it.object_iterator = m_value.object->erase(first.m_it.object_iterator, - last.m_it.object_iterator); - break; - } - - case value_t::array: - { - result.m_it.array_iterator = m_value.array->erase(first.m_it.array_iterator, - last.m_it.array_iterator); - break; - } - - default: - JSON_THROW(type_error::create(307, "cannot use erase() with " + std::string(type_name()))); - } - - return result; - } - - /*! - @brief remove element from a JSON object given a key - - Removes elements from a JSON object with the key value @a key. - - @param[in] key value of the elements to remove - - @return Number of elements removed. If @a ObjectType is the default - `std::map` type, the return value will always be `0` (@a key was not - found) or `1` (@a key was found). - - @post References and iterators to the erased elements are invalidated. - Other references and iterators are not affected. - - @throw type_error.307 when called on a type other than JSON object; - example: `"cannot use erase() with null"` - - @complexity `log(size()) + count(key)` - - @liveexample{The example shows the effect of `erase()`.,erase__key_type} - - @sa @ref erase(IteratorType) -- removes the element at a given position - @sa @ref erase(IteratorType, IteratorType) -- removes the elements in - the given range - @sa @ref erase(const size_type) -- removes the element from an array at - the given index - - @since version 1.0.0 - */ - size_type erase(const typename object_t::key_type& key) - { - // this erase only works for objects - if (JSON_HEDLEY_LIKELY(is_object())) - { - return m_value.object->erase(key); - } - - JSON_THROW(type_error::create(307, "cannot use erase() with " + std::string(type_name()))); - } - - /*! - @brief remove element from a JSON array given an index - - Removes element from a JSON array at the index @a idx. - - @param[in] idx index of the element to remove - - @throw type_error.307 when called on a type other than JSON object; - example: `"cannot use erase() with null"` - @throw out_of_range.401 when `idx >= size()`; example: `"array index 17 - is out of range"` - - @complexity Linear in distance between @a idx and the end of the container. - - @liveexample{The example shows the effect of `erase()`.,erase__size_type} - - @sa @ref erase(IteratorType) -- removes the element at a given position - @sa @ref erase(IteratorType, IteratorType) -- removes the elements in - the given range - @sa @ref erase(const typename object_t::key_type&) -- removes the element - from an object at the given key - - @since version 1.0.0 - */ - void erase(const size_type idx) - { - // this erase only works for arrays - if (JSON_HEDLEY_LIKELY(is_array())) - { - if (JSON_HEDLEY_UNLIKELY(idx >= size())) - { - JSON_THROW(out_of_range::create(401, "array index " + std::to_string(idx) + " is out of range")); - } - - m_value.array->erase(m_value.array->begin() + static_cast(idx)); - } - else - { - JSON_THROW(type_error::create(307, "cannot use erase() with " + std::string(type_name()))); - } - } - - /// @} - - - //////////// - // lookup // - //////////// - - /// @name lookup - /// @{ - - /*! - @brief find an element in a JSON object - - Finds an element in a JSON object with key equivalent to @a key. If the - element is not found or the JSON value is not an object, end() is - returned. - - @note This method always returns @ref end() when executed on a JSON type - that is not an object. - - @param[in] key key value of the element to search for. - - @return Iterator to an element with key equivalent to @a key. If no such - element is found or the JSON value is not an object, past-the-end (see - @ref end()) iterator is returned. - - @complexity Logarithmic in the size of the JSON object. - - @liveexample{The example shows how `find()` is used.,find__key_type} - - @sa @ref contains(KeyT&&) const -- checks whether a key exists - - @since version 1.0.0 - */ - template - iterator find(KeyT&& key) - { - auto result = end(); - - if (is_object()) - { - result.m_it.object_iterator = m_value.object->find(std::forward(key)); - } - - return result; - } - - /*! - @brief find an element in a JSON object - @copydoc find(KeyT&&) - */ - template - const_iterator find(KeyT&& key) const - { - auto result = cend(); - - if (is_object()) - { - result.m_it.object_iterator = m_value.object->find(std::forward(key)); - } - - return result; - } - - /*! - @brief returns the number of occurrences of a key in a JSON object - - Returns the number of elements with key @a key. If ObjectType is the - default `std::map` type, the return value will always be `0` (@a key was - not found) or `1` (@a key was found). - - @note This method always returns `0` when executed on a JSON type that is - not an object. - - @param[in] key key value of the element to count - - @return Number of elements with key @a key. If the JSON value is not an - object, the return value will be `0`. - - @complexity Logarithmic in the size of the JSON object. - - @liveexample{The example shows how `count()` is used.,count} - - @since version 1.0.0 - */ - template - size_type count(KeyT&& key) const - { - // return 0 for all nonobject types - return is_object() ? m_value.object->count(std::forward(key)) : 0; - } - - /*! - @brief check the existence of an element in a JSON object - - Check whether an element exists in a JSON object with key equivalent to - @a key. If the element is not found or the JSON value is not an object, - false is returned. - - @note This method always returns false when executed on a JSON type - that is not an object. - - @param[in] key key value to check its existence. - - @return true if an element with specified @a key exists. If no such - element with such key is found or the JSON value is not an object, - false is returned. - - @complexity Logarithmic in the size of the JSON object. - - @liveexample{The following code shows an example for `contains()`.,contains} - - @sa @ref find(KeyT&&) -- returns an iterator to an object element - @sa @ref contains(const json_pointer&) const -- checks the existence for a JSON pointer - - @since version 3.6.0 - */ - template < typename KeyT, typename std::enable_if < - !std::is_same::type, json_pointer>::value, int >::type = 0 > - bool contains(KeyT && key) const - { - return is_object() && m_value.object->find(std::forward(key)) != m_value.object->end(); - } - - /*! - @brief check the existence of an element in a JSON object given a JSON pointer - - Check whether the given JSON pointer @a ptr can be resolved in the current - JSON value. - - @note This method can be executed on any JSON value type. - - @param[in] ptr JSON pointer to check its existence. - - @return true if the JSON pointer can be resolved to a stored value, false - otherwise. - - @post If `j.contains(ptr)` returns true, it is safe to call `j[ptr]`. - - @throw parse_error.106 if an array index begins with '0' - @throw parse_error.109 if an array index was not a number - - @complexity Logarithmic in the size of the JSON object. - - @liveexample{The following code shows an example for `contains()`.,contains_json_pointer} - - @sa @ref contains(KeyT &&) const -- checks the existence of a key - - @since version 3.7.0 - */ - bool contains(const json_pointer& ptr) const - { - return ptr.contains(this); - } - - /// @} - - - /////////////// - // iterators // - /////////////// - - /// @name iterators - /// @{ - - /*! - @brief returns an iterator to the first element - - Returns an iterator to the first element. - - @image html range-begin-end.svg "Illustration from cppreference.com" - - @return iterator to the first element - - @complexity Constant. - - @requirement This function helps `basic_json` satisfying the - [Container](https://en.cppreference.com/w/cpp/named_req/Container) - requirements: - - The complexity is constant. - - @liveexample{The following code shows an example for `begin()`.,begin} - - @sa @ref cbegin() -- returns a const iterator to the beginning - @sa @ref end() -- returns an iterator to the end - @sa @ref cend() -- returns a const iterator to the end - - @since version 1.0.0 - */ - iterator begin() noexcept - { - iterator result(this); - result.set_begin(); - return result; - } - - /*! - @copydoc basic_json::cbegin() - */ - const_iterator begin() const noexcept - { - return cbegin(); - } - - /*! - @brief returns a const iterator to the first element - - Returns a const iterator to the first element. - - @image html range-begin-end.svg "Illustration from cppreference.com" - - @return const iterator to the first element - - @complexity Constant. - - @requirement This function helps `basic_json` satisfying the - [Container](https://en.cppreference.com/w/cpp/named_req/Container) - requirements: - - The complexity is constant. - - Has the semantics of `const_cast(*this).begin()`. - - @liveexample{The following code shows an example for `cbegin()`.,cbegin} - - @sa @ref begin() -- returns an iterator to the beginning - @sa @ref end() -- returns an iterator to the end - @sa @ref cend() -- returns a const iterator to the end - - @since version 1.0.0 - */ - const_iterator cbegin() const noexcept - { - const_iterator result(this); - result.set_begin(); - return result; - } - - /*! - @brief returns an iterator to one past the last element - - Returns an iterator to one past the last element. - - @image html range-begin-end.svg "Illustration from cppreference.com" - - @return iterator one past the last element - - @complexity Constant. - - @requirement This function helps `basic_json` satisfying the - [Container](https://en.cppreference.com/w/cpp/named_req/Container) - requirements: - - The complexity is constant. - - @liveexample{The following code shows an example for `end()`.,end} - - @sa @ref cend() -- returns a const iterator to the end - @sa @ref begin() -- returns an iterator to the beginning - @sa @ref cbegin() -- returns a const iterator to the beginning - - @since version 1.0.0 - */ - iterator end() noexcept - { - iterator result(this); - result.set_end(); - return result; - } - - /*! - @copydoc basic_json::cend() - */ - const_iterator end() const noexcept - { - return cend(); - } - - /*! - @brief returns a const iterator to one past the last element - - Returns a const iterator to one past the last element. - - @image html range-begin-end.svg "Illustration from cppreference.com" - - @return const iterator one past the last element - - @complexity Constant. - - @requirement This function helps `basic_json` satisfying the - [Container](https://en.cppreference.com/w/cpp/named_req/Container) - requirements: - - The complexity is constant. - - Has the semantics of `const_cast(*this).end()`. - - @liveexample{The following code shows an example for `cend()`.,cend} - - @sa @ref end() -- returns an iterator to the end - @sa @ref begin() -- returns an iterator to the beginning - @sa @ref cbegin() -- returns a const iterator to the beginning - - @since version 1.0.0 - */ - const_iterator cend() const noexcept - { - const_iterator result(this); - result.set_end(); - return result; - } - - /*! - @brief returns an iterator to the reverse-beginning - - Returns an iterator to the reverse-beginning; that is, the last element. - - @image html range-rbegin-rend.svg "Illustration from cppreference.com" - - @complexity Constant. - - @requirement This function helps `basic_json` satisfying the - [ReversibleContainer](https://en.cppreference.com/w/cpp/named_req/ReversibleContainer) - requirements: - - The complexity is constant. - - Has the semantics of `reverse_iterator(end())`. - - @liveexample{The following code shows an example for `rbegin()`.,rbegin} - - @sa @ref crbegin() -- returns a const reverse iterator to the beginning - @sa @ref rend() -- returns a reverse iterator to the end - @sa @ref crend() -- returns a const reverse iterator to the end - - @since version 1.0.0 - */ - reverse_iterator rbegin() noexcept - { - return reverse_iterator(end()); - } - - /*! - @copydoc basic_json::crbegin() - */ - const_reverse_iterator rbegin() const noexcept - { - return crbegin(); - } - - /*! - @brief returns an iterator to the reverse-end - - Returns an iterator to the reverse-end; that is, one before the first - element. - - @image html range-rbegin-rend.svg "Illustration from cppreference.com" - - @complexity Constant. - - @requirement This function helps `basic_json` satisfying the - [ReversibleContainer](https://en.cppreference.com/w/cpp/named_req/ReversibleContainer) - requirements: - - The complexity is constant. - - Has the semantics of `reverse_iterator(begin())`. - - @liveexample{The following code shows an example for `rend()`.,rend} - - @sa @ref crend() -- returns a const reverse iterator to the end - @sa @ref rbegin() -- returns a reverse iterator to the beginning - @sa @ref crbegin() -- returns a const reverse iterator to the beginning - - @since version 1.0.0 - */ - reverse_iterator rend() noexcept - { - return reverse_iterator(begin()); - } - - /*! - @copydoc basic_json::crend() - */ - const_reverse_iterator rend() const noexcept - { - return crend(); - } - - /*! - @brief returns a const reverse iterator to the last element - - Returns a const iterator to the reverse-beginning; that is, the last - element. - - @image html range-rbegin-rend.svg "Illustration from cppreference.com" - - @complexity Constant. - - @requirement This function helps `basic_json` satisfying the - [ReversibleContainer](https://en.cppreference.com/w/cpp/named_req/ReversibleContainer) - requirements: - - The complexity is constant. - - Has the semantics of `const_cast(*this).rbegin()`. - - @liveexample{The following code shows an example for `crbegin()`.,crbegin} - - @sa @ref rbegin() -- returns a reverse iterator to the beginning - @sa @ref rend() -- returns a reverse iterator to the end - @sa @ref crend() -- returns a const reverse iterator to the end - - @since version 1.0.0 - */ - const_reverse_iterator crbegin() const noexcept - { - return const_reverse_iterator(cend()); - } - - /*! - @brief returns a const reverse iterator to one before the first - - Returns a const reverse iterator to the reverse-end; that is, one before - the first element. - - @image html range-rbegin-rend.svg "Illustration from cppreference.com" - - @complexity Constant. - - @requirement This function helps `basic_json` satisfying the - [ReversibleContainer](https://en.cppreference.com/w/cpp/named_req/ReversibleContainer) - requirements: - - The complexity is constant. - - Has the semantics of `const_cast(*this).rend()`. - - @liveexample{The following code shows an example for `crend()`.,crend} - - @sa @ref rend() -- returns a reverse iterator to the end - @sa @ref rbegin() -- returns a reverse iterator to the beginning - @sa @ref crbegin() -- returns a const reverse iterator to the beginning - - @since version 1.0.0 - */ - const_reverse_iterator crend() const noexcept - { - return const_reverse_iterator(cbegin()); - } - - public: - /*! - @brief wrapper to access iterator member functions in range-based for - - This function allows to access @ref iterator::key() and @ref - iterator::value() during range-based for loops. In these loops, a - reference to the JSON values is returned, so there is no access to the - underlying iterator. - - For loop without iterator_wrapper: - - @code{cpp} - for (auto it = j_object.begin(); it != j_object.end(); ++it) - { - std::cout << "key: " << it.key() << ", value:" << it.value() << '\n'; - } - @endcode - - Range-based for loop without iterator proxy: - - @code{cpp} - for (auto it : j_object) - { - // "it" is of type json::reference and has no key() member - std::cout << "value: " << it << '\n'; - } - @endcode - - Range-based for loop with iterator proxy: - - @code{cpp} - for (auto it : json::iterator_wrapper(j_object)) - { - std::cout << "key: " << it.key() << ", value:" << it.value() << '\n'; - } - @endcode - - @note When iterating over an array, `key()` will return the index of the - element as string (see example). - - @param[in] ref reference to a JSON value - @return iteration proxy object wrapping @a ref with an interface to use in - range-based for loops - - @liveexample{The following code shows how the wrapper is used,iterator_wrapper} - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes in the JSON value. - - @complexity Constant. - - @note The name of this function is not yet final and may change in the - future. - - @deprecated This stream operator is deprecated and will be removed in - future 4.0.0 of the library. Please use @ref items() instead; - that is, replace `json::iterator_wrapper(j)` with `j.items()`. - */ - JSON_HEDLEY_DEPRECATED_FOR(3.1.0, items()) - static iteration_proxy iterator_wrapper(reference ref) noexcept - { - return ref.items(); - } - - /*! - @copydoc iterator_wrapper(reference) - */ - JSON_HEDLEY_DEPRECATED_FOR(3.1.0, items()) - static iteration_proxy iterator_wrapper(const_reference ref) noexcept - { - return ref.items(); - } - - /*! - @brief helper to access iterator member functions in range-based for - - This function allows to access @ref iterator::key() and @ref - iterator::value() during range-based for loops. In these loops, a - reference to the JSON values is returned, so there is no access to the - underlying iterator. - - For loop without `items()` function: - - @code{cpp} - for (auto it = j_object.begin(); it != j_object.end(); ++it) - { - std::cout << "key: " << it.key() << ", value:" << it.value() << '\n'; - } - @endcode - - Range-based for loop without `items()` function: - - @code{cpp} - for (auto it : j_object) - { - // "it" is of type json::reference and has no key() member - std::cout << "value: " << it << '\n'; - } - @endcode - - Range-based for loop with `items()` function: - - @code{cpp} - for (auto& el : j_object.items()) - { - std::cout << "key: " << el.key() << ", value:" << el.value() << '\n'; - } - @endcode - - The `items()` function also allows to use - [structured bindings](https://en.cppreference.com/w/cpp/language/structured_binding) - (C++17): - - @code{cpp} - for (auto& [key, val] : j_object.items()) - { - std::cout << "key: " << key << ", value:" << val << '\n'; - } - @endcode - - @note When iterating over an array, `key()` will return the index of the - element as string (see example). For primitive types (e.g., numbers), - `key()` returns an empty string. - - @warning Using `items()` on temporary objects is dangerous. Make sure the - object's lifetime exeeds the iteration. See - for more - information. - - @return iteration proxy object wrapping @a ref with an interface to use in - range-based for loops - - @liveexample{The following code shows how the function is used.,items} - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes in the JSON value. - - @complexity Constant. - - @since version 3.1.0, structured bindings support since 3.5.0. - */ - iteration_proxy items() noexcept - { - return iteration_proxy(*this); - } - - /*! - @copydoc items() - */ - iteration_proxy items() const noexcept - { - return iteration_proxy(*this); - } - - /// @} - - - ////////////// - // capacity // - ////////////// - - /// @name capacity - /// @{ - - /*! - @brief checks whether the container is empty. - - Checks if a JSON value has no elements (i.e. whether its @ref size is `0`). - - @return The return value depends on the different types and is - defined as follows: - Value type | return value - ----------- | ------------- - null | `true` - boolean | `false` - string | `false` - number | `false` - binary | `false` - object | result of function `object_t::empty()` - array | result of function `array_t::empty()` - - @liveexample{The following code uses `empty()` to check if a JSON - object contains any elements.,empty} - - @complexity Constant, as long as @ref array_t and @ref object_t satisfy - the Container concept; that is, their `empty()` functions have constant - complexity. - - @iterators No changes. - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - - @note This function does not return whether a string stored as JSON value - is empty - it returns whether the JSON container itself is empty which is - false in the case of a string. - - @requirement This function helps `basic_json` satisfying the - [Container](https://en.cppreference.com/w/cpp/named_req/Container) - requirements: - - The complexity is constant. - - Has the semantics of `begin() == end()`. - - @sa @ref size() -- returns the number of elements - - @since version 1.0.0 - */ - bool empty() const noexcept - { - switch (m_type) - { - case value_t::null: - { - // null values are empty - return true; - } - - case value_t::array: - { - // delegate call to array_t::empty() - return m_value.array->empty(); - } - - case value_t::object: - { - // delegate call to object_t::empty() - return m_value.object->empty(); - } - - default: - { - // all other types are nonempty - return false; - } - } - } - - /*! - @brief returns the number of elements - - Returns the number of elements in a JSON value. - - @return The return value depends on the different types and is - defined as follows: - Value type | return value - ----------- | ------------- - null | `0` - boolean | `1` - string | `1` - number | `1` - binary | `1` - object | result of function object_t::size() - array | result of function array_t::size() - - @liveexample{The following code calls `size()` on the different value - types.,size} - - @complexity Constant, as long as @ref array_t and @ref object_t satisfy - the Container concept; that is, their size() functions have constant - complexity. - - @iterators No changes. - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - - @note This function does not return the length of a string stored as JSON - value - it returns the number of elements in the JSON value which is 1 in - the case of a string. - - @requirement This function helps `basic_json` satisfying the - [Container](https://en.cppreference.com/w/cpp/named_req/Container) - requirements: - - The complexity is constant. - - Has the semantics of `std::distance(begin(), end())`. - - @sa @ref empty() -- checks whether the container is empty - @sa @ref max_size() -- returns the maximal number of elements - - @since version 1.0.0 - */ - size_type size() const noexcept - { - switch (m_type) - { - case value_t::null: - { - // null values are empty - return 0; - } - - case value_t::array: - { - // delegate call to array_t::size() - return m_value.array->size(); - } - - case value_t::object: - { - // delegate call to object_t::size() - return m_value.object->size(); - } - - default: - { - // all other types have size 1 - return 1; - } - } - } - - /*! - @brief returns the maximum possible number of elements - - Returns the maximum number of elements a JSON value is able to hold due to - system or library implementation limitations, i.e. `std::distance(begin(), - end())` for the JSON value. - - @return The return value depends on the different types and is - defined as follows: - Value type | return value - ----------- | ------------- - null | `0` (same as `size()`) - boolean | `1` (same as `size()`) - string | `1` (same as `size()`) - number | `1` (same as `size()`) - binary | `1` (same as `size()`) - object | result of function `object_t::max_size()` - array | result of function `array_t::max_size()` - - @liveexample{The following code calls `max_size()` on the different value - types. Note the output is implementation specific.,max_size} - - @complexity Constant, as long as @ref array_t and @ref object_t satisfy - the Container concept; that is, their `max_size()` functions have constant - complexity. - - @iterators No changes. - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - - @requirement This function helps `basic_json` satisfying the - [Container](https://en.cppreference.com/w/cpp/named_req/Container) - requirements: - - The complexity is constant. - - Has the semantics of returning `b.size()` where `b` is the largest - possible JSON value. - - @sa @ref size() -- returns the number of elements - - @since version 1.0.0 - */ - size_type max_size() const noexcept - { - switch (m_type) - { - case value_t::array: - { - // delegate call to array_t::max_size() - return m_value.array->max_size(); - } - - case value_t::object: - { - // delegate call to object_t::max_size() - return m_value.object->max_size(); - } - - default: - { - // all other types have max_size() == size() - return size(); - } - } - } - - /// @} - - - /////////////// - // modifiers // - /////////////// - - /// @name modifiers - /// @{ - - /*! - @brief clears the contents - - Clears the content of a JSON value and resets it to the default value as - if @ref basic_json(value_t) would have been called with the current value - type from @ref type(): - - Value type | initial value - ----------- | ------------- - null | `null` - boolean | `false` - string | `""` - number | `0` - binary | An empty byte vector - object | `{}` - array | `[]` - - @post Has the same effect as calling - @code {.cpp} - *this = basic_json(type()); - @endcode - - @liveexample{The example below shows the effect of `clear()` to different - JSON types.,clear} - - @complexity Linear in the size of the JSON value. - - @iterators All iterators, pointers and references related to this container - are invalidated. - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - - @sa @ref basic_json(value_t) -- constructor that creates an object with the - same value than calling `clear()` - - @since version 1.0.0 - */ - void clear() noexcept - { - switch (m_type) - { - case value_t::number_integer: - { - m_value.number_integer = 0; - break; - } - - case value_t::number_unsigned: - { - m_value.number_unsigned = 0; - break; - } - - case value_t::number_float: - { - m_value.number_float = 0.0; - break; - } - - case value_t::boolean: - { - m_value.boolean = false; - break; - } - - case value_t::string: - { - m_value.string->clear(); - break; - } - - case value_t::binary: - { - m_value.binary->clear(); - break; - } - - case value_t::array: - { - m_value.array->clear(); - break; - } - - case value_t::object: - { - m_value.object->clear(); - break; - } - - default: - break; - } - } - - /*! - @brief add an object to an array - - Appends the given element @a val to the end of the JSON value. If the - function is called on a JSON null value, an empty array is created before - appending @a val. - - @param[in] val the value to add to the JSON array - - @throw type_error.308 when called on a type other than JSON array or - null; example: `"cannot use push_back() with number"` - - @complexity Amortized constant. - - @liveexample{The example shows how `push_back()` and `+=` can be used to - add elements to a JSON array. Note how the `null` value was silently - converted to a JSON array.,push_back} - - @since version 1.0.0 - */ - void push_back(basic_json&& val) - { - // push_back only works for null objects or arrays - if (JSON_HEDLEY_UNLIKELY(!(is_null() || is_array()))) - { - JSON_THROW(type_error::create(308, "cannot use push_back() with " + std::string(type_name()))); - } - - // transform null object into an array - if (is_null()) - { - m_type = value_t::array; - m_value = value_t::array; - assert_invariant(); - } - - // add element to array (move semantics) - m_value.array->push_back(std::move(val)); - // if val is moved from, basic_json move constructor marks it null so we do not call the destructor - } - - /*! - @brief add an object to an array - @copydoc push_back(basic_json&&) - */ - reference operator+=(basic_json&& val) - { - push_back(std::move(val)); - return *this; - } - - /*! - @brief add an object to an array - @copydoc push_back(basic_json&&) - */ - void push_back(const basic_json& val) - { - // push_back only works for null objects or arrays - if (JSON_HEDLEY_UNLIKELY(!(is_null() || is_array()))) - { - JSON_THROW(type_error::create(308, "cannot use push_back() with " + std::string(type_name()))); - } - - // transform null object into an array - if (is_null()) - { - m_type = value_t::array; - m_value = value_t::array; - assert_invariant(); - } - - // add element to array - m_value.array->push_back(val); - } - - /*! - @brief add an object to an array - @copydoc push_back(basic_json&&) - */ - reference operator+=(const basic_json& val) - { - push_back(val); - return *this; - } - - /*! - @brief add an object to an object - - Inserts the given element @a val to the JSON object. If the function is - called on a JSON null value, an empty object is created before inserting - @a val. - - @param[in] val the value to add to the JSON object - - @throw type_error.308 when called on a type other than JSON object or - null; example: `"cannot use push_back() with number"` - - @complexity Logarithmic in the size of the container, O(log(`size()`)). - - @liveexample{The example shows how `push_back()` and `+=` can be used to - add elements to a JSON object. Note how the `null` value was silently - converted to a JSON object.,push_back__object_t__value} - - @since version 1.0.0 - */ - void push_back(const typename object_t::value_type& val) - { - // push_back only works for null objects or objects - if (JSON_HEDLEY_UNLIKELY(!(is_null() || is_object()))) - { - JSON_THROW(type_error::create(308, "cannot use push_back() with " + std::string(type_name()))); - } - - // transform null object into an object - if (is_null()) - { - m_type = value_t::object; - m_value = value_t::object; - assert_invariant(); - } - - // add element to array - m_value.object->insert(val); - } - - /*! - @brief add an object to an object - @copydoc push_back(const typename object_t::value_type&) - */ - reference operator+=(const typename object_t::value_type& val) - { - push_back(val); - return *this; - } - - /*! - @brief add an object to an object - - This function allows to use `push_back` with an initializer list. In case - - 1. the current value is an object, - 2. the initializer list @a init contains only two elements, and - 3. the first element of @a init is a string, - - @a init is converted into an object element and added using - @ref push_back(const typename object_t::value_type&). Otherwise, @a init - is converted to a JSON value and added using @ref push_back(basic_json&&). - - @param[in] init an initializer list - - @complexity Linear in the size of the initializer list @a init. - - @note This function is required to resolve an ambiguous overload error, - because pairs like `{"key", "value"}` can be both interpreted as - `object_t::value_type` or `std::initializer_list`, see - https://github.com/nlohmann/json/issues/235 for more information. - - @liveexample{The example shows how initializer lists are treated as - objects when possible.,push_back__initializer_list} - */ - void push_back(initializer_list_t init) - { - if (is_object() && init.size() == 2 && (*init.begin())->is_string()) - { - basic_json&& key = init.begin()->moved_or_copied(); - push_back(typename object_t::value_type( - std::move(key.get_ref()), (init.begin() + 1)->moved_or_copied())); - } - else - { - push_back(basic_json(init)); - } - } - - /*! - @brief add an object to an object - @copydoc push_back(initializer_list_t) - */ - reference operator+=(initializer_list_t init) - { - push_back(init); - return *this; - } - - /*! - @brief add an object to an array - - Creates a JSON value from the passed parameters @a args to the end of the - JSON value. If the function is called on a JSON null value, an empty array - is created before appending the value created from @a args. - - @param[in] args arguments to forward to a constructor of @ref basic_json - @tparam Args compatible types to create a @ref basic_json object - - @return reference to the inserted element - - @throw type_error.311 when called on a type other than JSON array or - null; example: `"cannot use emplace_back() with number"` - - @complexity Amortized constant. - - @liveexample{The example shows how `push_back()` can be used to add - elements to a JSON array. Note how the `null` value was silently converted - to a JSON array.,emplace_back} - - @since version 2.0.8, returns reference since 3.7.0 - */ - template - reference emplace_back(Args&& ... args) - { - // emplace_back only works for null objects or arrays - if (JSON_HEDLEY_UNLIKELY(!(is_null() || is_array()))) - { - JSON_THROW(type_error::create(311, "cannot use emplace_back() with " + std::string(type_name()))); - } - - // transform null object into an array - if (is_null()) - { - m_type = value_t::array; - m_value = value_t::array; - assert_invariant(); - } - - // add element to array (perfect forwarding) -#ifdef JSON_HAS_CPP_17 - return m_value.array->emplace_back(std::forward(args)...); -#else - m_value.array->emplace_back(std::forward(args)...); - return m_value.array->back(); -#endif - } - - /*! - @brief add an object to an object if key does not exist - - Inserts a new element into a JSON object constructed in-place with the - given @a args if there is no element with the key in the container. If the - function is called on a JSON null value, an empty object is created before - appending the value created from @a args. - - @param[in] args arguments to forward to a constructor of @ref basic_json - @tparam Args compatible types to create a @ref basic_json object - - @return a pair consisting of an iterator to the inserted element, or the - already-existing element if no insertion happened, and a bool - denoting whether the insertion took place. - - @throw type_error.311 when called on a type other than JSON object or - null; example: `"cannot use emplace() with number"` - - @complexity Logarithmic in the size of the container, O(log(`size()`)). - - @liveexample{The example shows how `emplace()` can be used to add elements - to a JSON object. Note how the `null` value was silently converted to a - JSON object. Further note how no value is added if there was already one - value stored with the same key.,emplace} - - @since version 2.0.8 - */ - template - std::pair emplace(Args&& ... args) - { - // emplace only works for null objects or arrays - if (JSON_HEDLEY_UNLIKELY(!(is_null() || is_object()))) - { - JSON_THROW(type_error::create(311, "cannot use emplace() with " + std::string(type_name()))); - } - - // transform null object into an object - if (is_null()) - { - m_type = value_t::object; - m_value = value_t::object; - assert_invariant(); - } - - // add element to array (perfect forwarding) - auto res = m_value.object->emplace(std::forward(args)...); - // create result iterator and set iterator to the result of emplace - auto it = begin(); - it.m_it.object_iterator = res.first; - - // return pair of iterator and boolean - return {it, res.second}; - } - - /// Helper for insertion of an iterator - /// @note: This uses std::distance to support GCC 4.8, - /// see https://github.com/nlohmann/json/pull/1257 - template - iterator insert_iterator(const_iterator pos, Args&& ... args) - { - iterator result(this); - JSON_ASSERT(m_value.array != nullptr); - - auto insert_pos = std::distance(m_value.array->begin(), pos.m_it.array_iterator); - m_value.array->insert(pos.m_it.array_iterator, std::forward(args)...); - result.m_it.array_iterator = m_value.array->begin() + insert_pos; - - // This could have been written as: - // result.m_it.array_iterator = m_value.array->insert(pos.m_it.array_iterator, cnt, val); - // but the return value of insert is missing in GCC 4.8, so it is written this way instead. - - return result; - } - - /*! - @brief inserts element - - Inserts element @a val before iterator @a pos. - - @param[in] pos iterator before which the content will be inserted; may be - the end() iterator - @param[in] val element to insert - @return iterator pointing to the inserted @a val. - - @throw type_error.309 if called on JSON values other than arrays; - example: `"cannot use insert() with string"` - @throw invalid_iterator.202 if @a pos is not an iterator of *this; - example: `"iterator does not fit current value"` - - @complexity Constant plus linear in the distance between @a pos and end of - the container. - - @liveexample{The example shows how `insert()` is used.,insert} - - @since version 1.0.0 - */ - iterator insert(const_iterator pos, const basic_json& val) - { - // insert only works for arrays - if (JSON_HEDLEY_LIKELY(is_array())) - { - // check if iterator pos fits to this JSON value - if (JSON_HEDLEY_UNLIKELY(pos.m_object != this)) - { - JSON_THROW(invalid_iterator::create(202, "iterator does not fit current value")); - } - - // insert to array and return iterator - return insert_iterator(pos, val); - } - - JSON_THROW(type_error::create(309, "cannot use insert() with " + std::string(type_name()))); - } - - /*! - @brief inserts element - @copydoc insert(const_iterator, const basic_json&) - */ - iterator insert(const_iterator pos, basic_json&& val) - { - return insert(pos, val); - } - - /*! - @brief inserts elements - - Inserts @a cnt copies of @a val before iterator @a pos. - - @param[in] pos iterator before which the content will be inserted; may be - the end() iterator - @param[in] cnt number of copies of @a val to insert - @param[in] val element to insert - @return iterator pointing to the first element inserted, or @a pos if - `cnt==0` - - @throw type_error.309 if called on JSON values other than arrays; example: - `"cannot use insert() with string"` - @throw invalid_iterator.202 if @a pos is not an iterator of *this; - example: `"iterator does not fit current value"` - - @complexity Linear in @a cnt plus linear in the distance between @a pos - and end of the container. - - @liveexample{The example shows how `insert()` is used.,insert__count} - - @since version 1.0.0 - */ - iterator insert(const_iterator pos, size_type cnt, const basic_json& val) - { - // insert only works for arrays - if (JSON_HEDLEY_LIKELY(is_array())) - { - // check if iterator pos fits to this JSON value - if (JSON_HEDLEY_UNLIKELY(pos.m_object != this)) - { - JSON_THROW(invalid_iterator::create(202, "iterator does not fit current value")); - } - - // insert to array and return iterator - return insert_iterator(pos, cnt, val); - } - - JSON_THROW(type_error::create(309, "cannot use insert() with " + std::string(type_name()))); - } - - /*! - @brief inserts elements - - Inserts elements from range `[first, last)` before iterator @a pos. - - @param[in] pos iterator before which the content will be inserted; may be - the end() iterator - @param[in] first begin of the range of elements to insert - @param[in] last end of the range of elements to insert - - @throw type_error.309 if called on JSON values other than arrays; example: - `"cannot use insert() with string"` - @throw invalid_iterator.202 if @a pos is not an iterator of *this; - example: `"iterator does not fit current value"` - @throw invalid_iterator.210 if @a first and @a last do not belong to the - same JSON value; example: `"iterators do not fit"` - @throw invalid_iterator.211 if @a first or @a last are iterators into - container for which insert is called; example: `"passed iterators may not - belong to container"` - - @return iterator pointing to the first element inserted, or @a pos if - `first==last` - - @complexity Linear in `std::distance(first, last)` plus linear in the - distance between @a pos and end of the container. - - @liveexample{The example shows how `insert()` is used.,insert__range} - - @since version 1.0.0 - */ - iterator insert(const_iterator pos, const_iterator first, const_iterator last) - { - // insert only works for arrays - if (JSON_HEDLEY_UNLIKELY(!is_array())) - { - JSON_THROW(type_error::create(309, "cannot use insert() with " + std::string(type_name()))); - } - - // check if iterator pos fits to this JSON value - if (JSON_HEDLEY_UNLIKELY(pos.m_object != this)) - { - JSON_THROW(invalid_iterator::create(202, "iterator does not fit current value")); - } - - // check if range iterators belong to the same JSON object - if (JSON_HEDLEY_UNLIKELY(first.m_object != last.m_object)) - { - JSON_THROW(invalid_iterator::create(210, "iterators do not fit")); - } - - if (JSON_HEDLEY_UNLIKELY(first.m_object == this)) - { - JSON_THROW(invalid_iterator::create(211, "passed iterators may not belong to container")); - } - - // insert to array and return iterator - return insert_iterator(pos, first.m_it.array_iterator, last.m_it.array_iterator); - } - - /*! - @brief inserts elements - - Inserts elements from initializer list @a ilist before iterator @a pos. - - @param[in] pos iterator before which the content will be inserted; may be - the end() iterator - @param[in] ilist initializer list to insert the values from - - @throw type_error.309 if called on JSON values other than arrays; example: - `"cannot use insert() with string"` - @throw invalid_iterator.202 if @a pos is not an iterator of *this; - example: `"iterator does not fit current value"` - - @return iterator pointing to the first element inserted, or @a pos if - `ilist` is empty - - @complexity Linear in `ilist.size()` plus linear in the distance between - @a pos and end of the container. - - @liveexample{The example shows how `insert()` is used.,insert__ilist} - - @since version 1.0.0 - */ - iterator insert(const_iterator pos, initializer_list_t ilist) - { - // insert only works for arrays - if (JSON_HEDLEY_UNLIKELY(!is_array())) - { - JSON_THROW(type_error::create(309, "cannot use insert() with " + std::string(type_name()))); - } - - // check if iterator pos fits to this JSON value - if (JSON_HEDLEY_UNLIKELY(pos.m_object != this)) - { - JSON_THROW(invalid_iterator::create(202, "iterator does not fit current value")); - } - - // insert to array and return iterator - return insert_iterator(pos, ilist.begin(), ilist.end()); - } - - /*! - @brief inserts elements - - Inserts elements from range `[first, last)`. - - @param[in] first begin of the range of elements to insert - @param[in] last end of the range of elements to insert - - @throw type_error.309 if called on JSON values other than objects; example: - `"cannot use insert() with string"` - @throw invalid_iterator.202 if iterator @a first or @a last does does not - point to an object; example: `"iterators first and last must point to - objects"` - @throw invalid_iterator.210 if @a first and @a last do not belong to the - same JSON value; example: `"iterators do not fit"` - - @complexity Logarithmic: `O(N*log(size() + N))`, where `N` is the number - of elements to insert. - - @liveexample{The example shows how `insert()` is used.,insert__range_object} - - @since version 3.0.0 - */ - void insert(const_iterator first, const_iterator last) - { - // insert only works for objects - if (JSON_HEDLEY_UNLIKELY(!is_object())) - { - JSON_THROW(type_error::create(309, "cannot use insert() with " + std::string(type_name()))); - } - - // check if range iterators belong to the same JSON object - if (JSON_HEDLEY_UNLIKELY(first.m_object != last.m_object)) - { - JSON_THROW(invalid_iterator::create(210, "iterators do not fit")); - } - - // passed iterators must belong to objects - if (JSON_HEDLEY_UNLIKELY(!first.m_object->is_object())) - { - JSON_THROW(invalid_iterator::create(202, "iterators first and last must point to objects")); - } - - m_value.object->insert(first.m_it.object_iterator, last.m_it.object_iterator); - } - - /*! - @brief updates a JSON object from another object, overwriting existing keys - - Inserts all values from JSON object @a j and overwrites existing keys. - - @param[in] j JSON object to read values from - - @throw type_error.312 if called on JSON values other than objects; example: - `"cannot use update() with string"` - - @complexity O(N*log(size() + N)), where N is the number of elements to - insert. - - @liveexample{The example shows how `update()` is used.,update} - - @sa https://docs.python.org/3.6/library/stdtypes.html#dict.update - - @since version 3.0.0 - */ - void update(const_reference j) - { - // implicitly convert null value to an empty object - if (is_null()) - { - m_type = value_t::object; - m_value.object = create(); - assert_invariant(); - } - - if (JSON_HEDLEY_UNLIKELY(!is_object())) - { - JSON_THROW(type_error::create(312, "cannot use update() with " + std::string(type_name()))); - } - if (JSON_HEDLEY_UNLIKELY(!j.is_object())) - { - JSON_THROW(type_error::create(312, "cannot use update() with " + std::string(j.type_name()))); - } - - for (auto it = j.cbegin(); it != j.cend(); ++it) - { - m_value.object->operator[](it.key()) = it.value(); - } - } - - /*! - @brief updates a JSON object from another object, overwriting existing keys - - Inserts all values from from range `[first, last)` and overwrites existing - keys. - - @param[in] first begin of the range of elements to insert - @param[in] last end of the range of elements to insert - - @throw type_error.312 if called on JSON values other than objects; example: - `"cannot use update() with string"` - @throw invalid_iterator.202 if iterator @a first or @a last does does not - point to an object; example: `"iterators first and last must point to - objects"` - @throw invalid_iterator.210 if @a first and @a last do not belong to the - same JSON value; example: `"iterators do not fit"` - - @complexity O(N*log(size() + N)), where N is the number of elements to - insert. - - @liveexample{The example shows how `update()` is used__range.,update} - - @sa https://docs.python.org/3.6/library/stdtypes.html#dict.update - - @since version 3.0.0 - */ - void update(const_iterator first, const_iterator last) - { - // implicitly convert null value to an empty object - if (is_null()) - { - m_type = value_t::object; - m_value.object = create(); - assert_invariant(); - } - - if (JSON_HEDLEY_UNLIKELY(!is_object())) - { - JSON_THROW(type_error::create(312, "cannot use update() with " + std::string(type_name()))); - } - - // check if range iterators belong to the same JSON object - if (JSON_HEDLEY_UNLIKELY(first.m_object != last.m_object)) - { - JSON_THROW(invalid_iterator::create(210, "iterators do not fit")); - } - - // passed iterators must belong to objects - if (JSON_HEDLEY_UNLIKELY(!first.m_object->is_object() - || !last.m_object->is_object())) - { - JSON_THROW(invalid_iterator::create(202, "iterators first and last must point to objects")); - } - - for (auto it = first; it != last; ++it) - { - m_value.object->operator[](it.key()) = it.value(); - } - } - - /*! - @brief exchanges the values - - Exchanges the contents of the JSON value with those of @a other. Does not - invoke any move, copy, or swap operations on individual elements. All - iterators and references remain valid. The past-the-end iterator is - invalidated. - - @param[in,out] other JSON value to exchange the contents with - - @complexity Constant. - - @liveexample{The example below shows how JSON values can be swapped with - `swap()`.,swap__reference} - - @since version 1.0.0 - */ - void swap(reference other) noexcept ( - std::is_nothrow_move_constructible::value&& - std::is_nothrow_move_assignable::value&& - std::is_nothrow_move_constructible::value&& - std::is_nothrow_move_assignable::value - ) - { - std::swap(m_type, other.m_type); - std::swap(m_value, other.m_value); - assert_invariant(); - } - - /*! - @brief exchanges the values - - Exchanges the contents of the JSON value from @a left with those of @a right. Does not - invoke any move, copy, or swap operations on individual elements. All - iterators and references remain valid. The past-the-end iterator is - invalidated. implemented as a friend function callable via ADL. - - @param[in,out] left JSON value to exchange the contents with - @param[in,out] right JSON value to exchange the contents with - - @complexity Constant. - - @liveexample{The example below shows how JSON values can be swapped with - `swap()`.,swap__reference} - - @since version 1.0.0 - */ - friend void swap(reference left, reference right) noexcept ( - std::is_nothrow_move_constructible::value&& - std::is_nothrow_move_assignable::value&& - std::is_nothrow_move_constructible::value&& - std::is_nothrow_move_assignable::value - ) - { - left.swap(right); - } - - /*! - @brief exchanges the values - - Exchanges the contents of a JSON array with those of @a other. Does not - invoke any move, copy, or swap operations on individual elements. All - iterators and references remain valid. The past-the-end iterator is - invalidated. - - @param[in,out] other array to exchange the contents with - - @throw type_error.310 when JSON value is not an array; example: `"cannot - use swap() with string"` - - @complexity Constant. - - @liveexample{The example below shows how arrays can be swapped with - `swap()`.,swap__array_t} - - @since version 1.0.0 - */ - void swap(array_t& other) - { - // swap only works for arrays - if (JSON_HEDLEY_LIKELY(is_array())) - { - std::swap(*(m_value.array), other); - } - else - { - JSON_THROW(type_error::create(310, "cannot use swap() with " + std::string(type_name()))); - } - } - - /*! - @brief exchanges the values - - Exchanges the contents of a JSON object with those of @a other. Does not - invoke any move, copy, or swap operations on individual elements. All - iterators and references remain valid. The past-the-end iterator is - invalidated. - - @param[in,out] other object to exchange the contents with - - @throw type_error.310 when JSON value is not an object; example: - `"cannot use swap() with string"` - - @complexity Constant. - - @liveexample{The example below shows how objects can be swapped with - `swap()`.,swap__object_t} - - @since version 1.0.0 - */ - void swap(object_t& other) - { - // swap only works for objects - if (JSON_HEDLEY_LIKELY(is_object())) - { - std::swap(*(m_value.object), other); - } - else - { - JSON_THROW(type_error::create(310, "cannot use swap() with " + std::string(type_name()))); - } - } - - /*! - @brief exchanges the values - - Exchanges the contents of a JSON string with those of @a other. Does not - invoke any move, copy, or swap operations on individual elements. All - iterators and references remain valid. The past-the-end iterator is - invalidated. - - @param[in,out] other string to exchange the contents with - - @throw type_error.310 when JSON value is not a string; example: `"cannot - use swap() with boolean"` - - @complexity Constant. - - @liveexample{The example below shows how strings can be swapped with - `swap()`.,swap__string_t} - - @since version 1.0.0 - */ - void swap(string_t& other) - { - // swap only works for strings - if (JSON_HEDLEY_LIKELY(is_string())) - { - std::swap(*(m_value.string), other); - } - else - { - JSON_THROW(type_error::create(310, "cannot use swap() with " + std::string(type_name()))); - } - } - - /*! - @brief exchanges the values - - Exchanges the contents of a JSON string with those of @a other. Does not - invoke any move, copy, or swap operations on individual elements. All - iterators and references remain valid. The past-the-end iterator is - invalidated. - - @param[in,out] other binary to exchange the contents with - - @throw type_error.310 when JSON value is not a string; example: `"cannot - use swap() with boolean"` - - @complexity Constant. - - @liveexample{The example below shows how strings can be swapped with - `swap()`.,swap__binary_t} - - @since version 3.8.0 - */ - void swap(binary_t& other) - { - // swap only works for strings - if (JSON_HEDLEY_LIKELY(is_binary())) - { - std::swap(*(m_value.binary), other); - } - else - { - JSON_THROW(type_error::create(310, "cannot use swap() with " + std::string(type_name()))); - } - } - - /// @copydoc swap(binary_t) - void swap(typename binary_t::container_type& other) - { - // swap only works for strings - if (JSON_HEDLEY_LIKELY(is_binary())) - { - std::swap(*(m_value.binary), other); - } - else - { - JSON_THROW(type_error::create(310, "cannot use swap() with " + std::string(type_name()))); - } - } - - /// @} - - public: - ////////////////////////////////////////// - // lexicographical comparison operators // - ////////////////////////////////////////// - - /// @name lexicographical comparison operators - /// @{ - - /*! - @brief comparison: equal - - Compares two JSON values for equality according to the following rules: - - Two JSON values are equal if (1) they are from the same type and (2) - their stored values are the same according to their respective - `operator==`. - - Integer and floating-point numbers are automatically converted before - comparison. Note that two NaN values are always treated as unequal. - - Two JSON null values are equal. - - @note Floating-point inside JSON values numbers are compared with - `json::number_float_t::operator==` which is `double::operator==` by - default. To compare floating-point while respecting an epsilon, an alternative - [comparison function](https://github.com/mariokonrad/marnav/blob/master/include/marnav/math/floatingpoint.hpp#L34-#L39) - could be used, for instance - @code {.cpp} - template::value, T>::type> - inline bool is_same(T a, T b, T epsilon = std::numeric_limits::epsilon()) noexcept - { - return std::abs(a - b) <= epsilon; - } - @endcode - Or you can self-defined operator equal function like this: - @code {.cpp} - bool my_equal(const_reference lhs, const_reference rhs) { - const auto lhs_type lhs.type(); - const auto rhs_type rhs.type(); - if (lhs_type == rhs_type) { - switch(lhs_type) - // self_defined case - case value_t::number_float: - return std::abs(lhs - rhs) <= std::numeric_limits::epsilon(); - // other cases remain the same with the original - ... - } - ... - } - @endcode - - @note NaN values never compare equal to themselves or to other NaN values. - - @param[in] lhs first JSON value to consider - @param[in] rhs second JSON value to consider - @return whether the values @a lhs and @a rhs are equal - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - - @complexity Linear. - - @liveexample{The example demonstrates comparing several JSON - types.,operator__equal} - - @since version 1.0.0 - */ - friend bool operator==(const_reference lhs, const_reference rhs) noexcept - { - const auto lhs_type = lhs.type(); - const auto rhs_type = rhs.type(); - - if (lhs_type == rhs_type) - { - switch (lhs_type) - { - case value_t::array: - return *lhs.m_value.array == *rhs.m_value.array; - - case value_t::object: - return *lhs.m_value.object == *rhs.m_value.object; - - case value_t::null: - return true; - - case value_t::string: - return *lhs.m_value.string == *rhs.m_value.string; - - case value_t::boolean: - return lhs.m_value.boolean == rhs.m_value.boolean; - - case value_t::number_integer: - return lhs.m_value.number_integer == rhs.m_value.number_integer; - - case value_t::number_unsigned: - return lhs.m_value.number_unsigned == rhs.m_value.number_unsigned; - - case value_t::number_float: - return lhs.m_value.number_float == rhs.m_value.number_float; - - case value_t::binary: - return *lhs.m_value.binary == *rhs.m_value.binary; - - default: - return false; - } - } - else if (lhs_type == value_t::number_integer && rhs_type == value_t::number_float) - { - return static_cast(lhs.m_value.number_integer) == rhs.m_value.number_float; - } - else if (lhs_type == value_t::number_float && rhs_type == value_t::number_integer) - { - return lhs.m_value.number_float == static_cast(rhs.m_value.number_integer); - } - else if (lhs_type == value_t::number_unsigned && rhs_type == value_t::number_float) - { - return static_cast(lhs.m_value.number_unsigned) == rhs.m_value.number_float; - } - else if (lhs_type == value_t::number_float && rhs_type == value_t::number_unsigned) - { - return lhs.m_value.number_float == static_cast(rhs.m_value.number_unsigned); - } - else if (lhs_type == value_t::number_unsigned && rhs_type == value_t::number_integer) - { - return static_cast(lhs.m_value.number_unsigned) == rhs.m_value.number_integer; - } - else if (lhs_type == value_t::number_integer && rhs_type == value_t::number_unsigned) - { - return lhs.m_value.number_integer == static_cast(rhs.m_value.number_unsigned); - } - - return false; - } - - /*! - @brief comparison: equal - @copydoc operator==(const_reference, const_reference) - */ - template::value, int>::type = 0> - friend bool operator==(const_reference lhs, const ScalarType rhs) noexcept - { - return lhs == basic_json(rhs); - } - - /*! - @brief comparison: equal - @copydoc operator==(const_reference, const_reference) - */ - template::value, int>::type = 0> - friend bool operator==(const ScalarType lhs, const_reference rhs) noexcept - { - return basic_json(lhs) == rhs; - } - - /*! - @brief comparison: not equal - - Compares two JSON values for inequality by calculating `not (lhs == rhs)`. - - @param[in] lhs first JSON value to consider - @param[in] rhs second JSON value to consider - @return whether the values @a lhs and @a rhs are not equal - - @complexity Linear. - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - - @liveexample{The example demonstrates comparing several JSON - types.,operator__notequal} - - @since version 1.0.0 - */ - friend bool operator!=(const_reference lhs, const_reference rhs) noexcept - { - return !(lhs == rhs); - } - - /*! - @brief comparison: not equal - @copydoc operator!=(const_reference, const_reference) - */ - template::value, int>::type = 0> - friend bool operator!=(const_reference lhs, const ScalarType rhs) noexcept - { - return lhs != basic_json(rhs); - } - - /*! - @brief comparison: not equal - @copydoc operator!=(const_reference, const_reference) - */ - template::value, int>::type = 0> - friend bool operator!=(const ScalarType lhs, const_reference rhs) noexcept - { - return basic_json(lhs) != rhs; - } - - /*! - @brief comparison: less than - - Compares whether one JSON value @a lhs is less than another JSON value @a - rhs according to the following rules: - - If @a lhs and @a rhs have the same type, the values are compared using - the default `<` operator. - - Integer and floating-point numbers are automatically converted before - comparison - - In case @a lhs and @a rhs have different types, the values are ignored - and the order of the types is considered, see - @ref operator<(const value_t, const value_t). - - @param[in] lhs first JSON value to consider - @param[in] rhs second JSON value to consider - @return whether @a lhs is less than @a rhs - - @complexity Linear. - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - - @liveexample{The example demonstrates comparing several JSON - types.,operator__less} - - @since version 1.0.0 - */ - friend bool operator<(const_reference lhs, const_reference rhs) noexcept - { - const auto lhs_type = lhs.type(); - const auto rhs_type = rhs.type(); - - if (lhs_type == rhs_type) - { - switch (lhs_type) - { - case value_t::array: - // note parentheses are necessary, see - // https://github.com/nlohmann/json/issues/1530 - return (*lhs.m_value.array) < (*rhs.m_value.array); - - case value_t::object: - return (*lhs.m_value.object) < (*rhs.m_value.object); - - case value_t::null: - return false; - - case value_t::string: - return (*lhs.m_value.string) < (*rhs.m_value.string); - - case value_t::boolean: - return (lhs.m_value.boolean) < (rhs.m_value.boolean); - - case value_t::number_integer: - return (lhs.m_value.number_integer) < (rhs.m_value.number_integer); - - case value_t::number_unsigned: - return (lhs.m_value.number_unsigned) < (rhs.m_value.number_unsigned); - - case value_t::number_float: - return (lhs.m_value.number_float) < (rhs.m_value.number_float); - - case value_t::binary: - return (*lhs.m_value.binary) < (*rhs.m_value.binary); - - default: - return false; - } - } - else if (lhs_type == value_t::number_integer && rhs_type == value_t::number_float) - { - return static_cast(lhs.m_value.number_integer) < rhs.m_value.number_float; - } - else if (lhs_type == value_t::number_float && rhs_type == value_t::number_integer) - { - return lhs.m_value.number_float < static_cast(rhs.m_value.number_integer); - } - else if (lhs_type == value_t::number_unsigned && rhs_type == value_t::number_float) - { - return static_cast(lhs.m_value.number_unsigned) < rhs.m_value.number_float; - } - else if (lhs_type == value_t::number_float && rhs_type == value_t::number_unsigned) - { - return lhs.m_value.number_float < static_cast(rhs.m_value.number_unsigned); - } - else if (lhs_type == value_t::number_integer && rhs_type == value_t::number_unsigned) - { - return lhs.m_value.number_integer < static_cast(rhs.m_value.number_unsigned); - } - else if (lhs_type == value_t::number_unsigned && rhs_type == value_t::number_integer) - { - return static_cast(lhs.m_value.number_unsigned) < rhs.m_value.number_integer; - } - - // We only reach this line if we cannot compare values. In that case, - // we compare types. Note we have to call the operator explicitly, - // because MSVC has problems otherwise. - return operator<(lhs_type, rhs_type); - } - - /*! - @brief comparison: less than - @copydoc operator<(const_reference, const_reference) - */ - template::value, int>::type = 0> - friend bool operator<(const_reference lhs, const ScalarType rhs) noexcept - { - return lhs < basic_json(rhs); - } - - /*! - @brief comparison: less than - @copydoc operator<(const_reference, const_reference) - */ - template::value, int>::type = 0> - friend bool operator<(const ScalarType lhs, const_reference rhs) noexcept - { - return basic_json(lhs) < rhs; - } - - /*! - @brief comparison: less than or equal - - Compares whether one JSON value @a lhs is less than or equal to another - JSON value by calculating `not (rhs < lhs)`. - - @param[in] lhs first JSON value to consider - @param[in] rhs second JSON value to consider - @return whether @a lhs is less than or equal to @a rhs - - @complexity Linear. - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - - @liveexample{The example demonstrates comparing several JSON - types.,operator__greater} - - @since version 1.0.0 - */ - friend bool operator<=(const_reference lhs, const_reference rhs) noexcept - { - return !(rhs < lhs); - } - - /*! - @brief comparison: less than or equal - @copydoc operator<=(const_reference, const_reference) - */ - template::value, int>::type = 0> - friend bool operator<=(const_reference lhs, const ScalarType rhs) noexcept - { - return lhs <= basic_json(rhs); - } - - /*! - @brief comparison: less than or equal - @copydoc operator<=(const_reference, const_reference) - */ - template::value, int>::type = 0> - friend bool operator<=(const ScalarType lhs, const_reference rhs) noexcept - { - return basic_json(lhs) <= rhs; - } - - /*! - @brief comparison: greater than - - Compares whether one JSON value @a lhs is greater than another - JSON value by calculating `not (lhs <= rhs)`. - - @param[in] lhs first JSON value to consider - @param[in] rhs second JSON value to consider - @return whether @a lhs is greater than to @a rhs - - @complexity Linear. - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - - @liveexample{The example demonstrates comparing several JSON - types.,operator__lessequal} - - @since version 1.0.0 - */ - friend bool operator>(const_reference lhs, const_reference rhs) noexcept - { - return !(lhs <= rhs); - } - - /*! - @brief comparison: greater than - @copydoc operator>(const_reference, const_reference) - */ - template::value, int>::type = 0> - friend bool operator>(const_reference lhs, const ScalarType rhs) noexcept - { - return lhs > basic_json(rhs); - } - - /*! - @brief comparison: greater than - @copydoc operator>(const_reference, const_reference) - */ - template::value, int>::type = 0> - friend bool operator>(const ScalarType lhs, const_reference rhs) noexcept - { - return basic_json(lhs) > rhs; - } - - /*! - @brief comparison: greater than or equal - - Compares whether one JSON value @a lhs is greater than or equal to another - JSON value by calculating `not (lhs < rhs)`. - - @param[in] lhs first JSON value to consider - @param[in] rhs second JSON value to consider - @return whether @a lhs is greater than or equal to @a rhs - - @complexity Linear. - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - - @liveexample{The example demonstrates comparing several JSON - types.,operator__greaterequal} - - @since version 1.0.0 - */ - friend bool operator>=(const_reference lhs, const_reference rhs) noexcept - { - return !(lhs < rhs); - } - - /*! - @brief comparison: greater than or equal - @copydoc operator>=(const_reference, const_reference) - */ - template::value, int>::type = 0> - friend bool operator>=(const_reference lhs, const ScalarType rhs) noexcept - { - return lhs >= basic_json(rhs); - } - - /*! - @brief comparison: greater than or equal - @copydoc operator>=(const_reference, const_reference) - */ - template::value, int>::type = 0> - friend bool operator>=(const ScalarType lhs, const_reference rhs) noexcept - { - return basic_json(lhs) >= rhs; - } - - /// @} - - /////////////////// - // serialization // - /////////////////// - - /// @name serialization - /// @{ - - /*! - @brief serialize to stream - - Serialize the given JSON value @a j to the output stream @a o. The JSON - value will be serialized using the @ref dump member function. - - - The indentation of the output can be controlled with the member variable - `width` of the output stream @a o. For instance, using the manipulator - `std::setw(4)` on @a o sets the indentation level to `4` and the - serialization result is the same as calling `dump(4)`. - - - The indentation character can be controlled with the member variable - `fill` of the output stream @a o. For instance, the manipulator - `std::setfill('\\t')` sets indentation to use a tab character rather than - the default space character. - - @param[in,out] o stream to serialize to - @param[in] j JSON value to serialize - - @return the stream @a o - - @throw type_error.316 if a string stored inside the JSON value is not - UTF-8 encoded - - @complexity Linear. - - @liveexample{The example below shows the serialization with different - parameters to `width` to adjust the indentation level.,operator_serialize} - - @since version 1.0.0; indentation character added in version 3.0.0 - */ - friend std::ostream& operator<<(std::ostream& o, const basic_json& j) - { - // read width member and use it as indentation parameter if nonzero - const bool pretty_print = o.width() > 0; - const auto indentation = pretty_print ? o.width() : 0; - - // reset width to 0 for subsequent calls to this stream - o.width(0); - - // do the actual serialization - serializer s(detail::output_adapter(o), o.fill()); - s.dump(j, pretty_print, false, static_cast(indentation)); - return o; - } - - /*! - @brief serialize to stream - @deprecated This stream operator is deprecated and will be removed in - future 4.0.0 of the library. Please use - @ref operator<<(std::ostream&, const basic_json&) - instead; that is, replace calls like `j >> o;` with `o << j;`. - @since version 1.0.0; deprecated since version 3.0.0 - */ - JSON_HEDLEY_DEPRECATED_FOR(3.0.0, operator<<(std::ostream&, const basic_json&)) - friend std::ostream& operator>>(const basic_json& j, std::ostream& o) - { - return o << j; - } - - /// @} - - - ///////////////////// - // deserialization // - ///////////////////// - - /// @name deserialization - /// @{ - - /*! - @brief deserialize from a compatible input - - @tparam InputType A compatible input, for instance - - an std::istream object - - a FILE pointer - - a C-style array of characters - - a pointer to a null-terminated string of single byte characters - - an object obj for which begin(obj) and end(obj) produces a valid pair of - iterators. - - @param[in] i input to read from - @param[in] cb a parser callback function of type @ref parser_callback_t - which is used to control the deserialization by filtering unwanted values - (optional) - @param[in] allow_exceptions whether to throw exceptions in case of a - parse error (optional, true by default) - @param[in] ignore_comments whether comments should be ignored and treated - like whitespace (true) or yield a parse error (true); (optional, false by - default) - - @return deserialized JSON value; in case of a parse error and - @a allow_exceptions set to `false`, the return value will be - value_t::discarded. - - @throw parse_error.101 if a parse error occurs; example: `""unexpected end - of input; expected string literal""` - @throw parse_error.102 if to_unicode fails or surrogate error - @throw parse_error.103 if to_unicode fails - - @complexity Linear in the length of the input. The parser is a predictive - LL(1) parser. The complexity can be higher if the parser callback function - @a cb or reading from the input @a i has a super-linear complexity. - - @note A UTF-8 byte order mark is silently ignored. - - @liveexample{The example below demonstrates the `parse()` function reading - from an array.,parse__array__parser_callback_t} - - @liveexample{The example below demonstrates the `parse()` function with - and without callback function.,parse__string__parser_callback_t} - - @liveexample{The example below demonstrates the `parse()` function with - and without callback function.,parse__istream__parser_callback_t} - - @liveexample{The example below demonstrates the `parse()` function reading - from a contiguous container.,parse__contiguouscontainer__parser_callback_t} - - @since version 2.0.3 (contiguous containers); version 3.9.0 allowed to - ignore comments. - */ - template - JSON_HEDLEY_WARN_UNUSED_RESULT - static basic_json parse(InputType&& i, - const parser_callback_t cb = nullptr, - const bool allow_exceptions = true, - const bool ignore_comments = false) - { - basic_json result; - parser(detail::input_adapter(std::forward(i)), cb, allow_exceptions, ignore_comments).parse(true, result); - return result; - } - - /*! - @brief deserialize from a pair of character iterators - - The value_type of the iterator must be a integral type with size of 1, 2 or - 4 bytes, which will be interpreted respectively as UTF-8, UTF-16 and UTF-32. - - @param[in] first iterator to start of character range - @param[in] last iterator to end of character range - @param[in] cb a parser callback function of type @ref parser_callback_t - which is used to control the deserialization by filtering unwanted values - (optional) - @param[in] allow_exceptions whether to throw exceptions in case of a - parse error (optional, true by default) - @param[in] ignore_comments whether comments should be ignored and treated - like whitespace (true) or yield a parse error (true); (optional, false by - default) - - @return deserialized JSON value; in case of a parse error and - @a allow_exceptions set to `false`, the return value will be - value_t::discarded. - - @throw parse_error.101 if a parse error occurs; example: `""unexpected end - of input; expected string literal""` - @throw parse_error.102 if to_unicode fails or surrogate error - @throw parse_error.103 if to_unicode fails - */ - template - JSON_HEDLEY_WARN_UNUSED_RESULT - static basic_json parse(IteratorType first, - IteratorType last, - const parser_callback_t cb = nullptr, - const bool allow_exceptions = true, - const bool ignore_comments = false) - { - basic_json result; - parser(detail::input_adapter(std::move(first), std::move(last)), cb, allow_exceptions, ignore_comments).parse(true, result); - return result; - } - - JSON_HEDLEY_WARN_UNUSED_RESULT - JSON_HEDLEY_DEPRECATED_FOR(3.8.0, parse(ptr, ptr + len)) - static basic_json parse(detail::span_input_adapter&& i, - const parser_callback_t cb = nullptr, - const bool allow_exceptions = true, - const bool ignore_comments = false) - { - basic_json result; - parser(i.get(), cb, allow_exceptions, ignore_comments).parse(true, result); - return result; - } - - /*! - @brief check if the input is valid JSON - - Unlike the @ref parse(InputType&&, const parser_callback_t,const bool) - function, this function neither throws an exception in case of invalid JSON - input (i.e., a parse error) nor creates diagnostic information. - - @tparam InputType A compatible input, for instance - - an std::istream object - - a FILE pointer - - a C-style array of characters - - a pointer to a null-terminated string of single byte characters - - an object obj for which begin(obj) and end(obj) produces a valid pair of - iterators. - - @param[in] i input to read from - @param[in] ignore_comments whether comments should be ignored and treated - like whitespace (true) or yield a parse error (true); (optional, false by - default) - - @return Whether the input read from @a i is valid JSON. - - @complexity Linear in the length of the input. The parser is a predictive - LL(1) parser. - - @note A UTF-8 byte order mark is silently ignored. - - @liveexample{The example below demonstrates the `accept()` function reading - from a string.,accept__string} - */ - template - static bool accept(InputType&& i, - const bool ignore_comments = false) - { - return parser(detail::input_adapter(std::forward(i)), nullptr, false, ignore_comments).accept(true); - } - - template - static bool accept(IteratorType first, IteratorType last, - const bool ignore_comments = false) - { - return parser(detail::input_adapter(std::move(first), std::move(last)), nullptr, false, ignore_comments).accept(true); - } - - JSON_HEDLEY_WARN_UNUSED_RESULT - JSON_HEDLEY_DEPRECATED_FOR(3.8.0, accept(ptr, ptr + len)) - static bool accept(detail::span_input_adapter&& i, - const bool ignore_comments = false) - { - return parser(i.get(), nullptr, false, ignore_comments).accept(true); - } - - /*! - @brief generate SAX events - - The SAX event lister must follow the interface of @ref json_sax. - - This function reads from a compatible input. Examples are: - - an std::istream object - - a FILE pointer - - a C-style array of characters - - a pointer to a null-terminated string of single byte characters - - an object obj for which begin(obj) and end(obj) produces a valid pair of - iterators. - - @param[in] i input to read from - @param[in,out] sax SAX event listener - @param[in] format the format to parse (JSON, CBOR, MessagePack, or UBJSON) - @param[in] strict whether the input has to be consumed completely - @param[in] ignore_comments whether comments should be ignored and treated - like whitespace (true) or yield a parse error (true); (optional, false by - default); only applies to the JSON file format. - - @return return value of the last processed SAX event - - @throw parse_error.101 if a parse error occurs; example: `""unexpected end - of input; expected string literal""` - @throw parse_error.102 if to_unicode fails or surrogate error - @throw parse_error.103 if to_unicode fails - - @complexity Linear in the length of the input. The parser is a predictive - LL(1) parser. The complexity can be higher if the SAX consumer @a sax has - a super-linear complexity. - - @note A UTF-8 byte order mark is silently ignored. - - @liveexample{The example below demonstrates the `sax_parse()` function - reading from string and processing the events with a user-defined SAX - event consumer.,sax_parse} - - @since version 3.2.0 - */ - template - JSON_HEDLEY_NON_NULL(2) - static bool sax_parse(InputType&& i, SAX* sax, - input_format_t format = input_format_t::json, - const bool strict = true, - const bool ignore_comments = false) - { - auto ia = detail::input_adapter(std::forward(i)); - return format == input_format_t::json - ? parser(std::move(ia), nullptr, true, ignore_comments).sax_parse(sax, strict) - : detail::binary_reader(std::move(ia)).sax_parse(format, sax, strict); - } - - template - JSON_HEDLEY_NON_NULL(3) - static bool sax_parse(IteratorType first, IteratorType last, SAX* sax, - input_format_t format = input_format_t::json, - const bool strict = true, - const bool ignore_comments = false) - { - auto ia = detail::input_adapter(std::move(first), std::move(last)); - return format == input_format_t::json - ? parser(std::move(ia), nullptr, true, ignore_comments).sax_parse(sax, strict) - : detail::binary_reader(std::move(ia)).sax_parse(format, sax, strict); - } - - template - JSON_HEDLEY_DEPRECATED_FOR(3.8.0, sax_parse(ptr, ptr + len, ...)) - JSON_HEDLEY_NON_NULL(2) - static bool sax_parse(detail::span_input_adapter&& i, SAX* sax, - input_format_t format = input_format_t::json, - const bool strict = true, - const bool ignore_comments = false) - { - auto ia = i.get(); - return format == input_format_t::json - ? parser(std::move(ia), nullptr, true, ignore_comments).sax_parse(sax, strict) - : detail::binary_reader(std::move(ia)).sax_parse(format, sax, strict); - } - - /*! - @brief deserialize from stream - @deprecated This stream operator is deprecated and will be removed in - version 4.0.0 of the library. Please use - @ref operator>>(std::istream&, basic_json&) - instead; that is, replace calls like `j << i;` with `i >> j;`. - @since version 1.0.0; deprecated since version 3.0.0 - */ - JSON_HEDLEY_DEPRECATED_FOR(3.0.0, operator>>(std::istream&, basic_json&)) - friend std::istream& operator<<(basic_json& j, std::istream& i) - { - return operator>>(i, j); - } - - /*! - @brief deserialize from stream - - Deserializes an input stream to a JSON value. - - @param[in,out] i input stream to read a serialized JSON value from - @param[in,out] j JSON value to write the deserialized input to - - @throw parse_error.101 in case of an unexpected token - @throw parse_error.102 if to_unicode fails or surrogate error - @throw parse_error.103 if to_unicode fails - - @complexity Linear in the length of the input. The parser is a predictive - LL(1) parser. - - @note A UTF-8 byte order mark is silently ignored. - - @liveexample{The example below shows how a JSON value is constructed by - reading a serialization from a stream.,operator_deserialize} - - @sa parse(std::istream&, const parser_callback_t) for a variant with a - parser callback function to filter values while parsing - - @since version 1.0.0 - */ - friend std::istream& operator>>(std::istream& i, basic_json& j) - { - parser(detail::input_adapter(i)).parse(false, j); - return i; - } - - /// @} - - /////////////////////////// - // convenience functions // - /////////////////////////// - - /*! - @brief return the type as string - - Returns the type name as string to be used in error messages - usually to - indicate that a function was called on a wrong JSON type. - - @return a string representation of a the @a m_type member: - Value type | return value - ----------- | ------------- - null | `"null"` - boolean | `"boolean"` - string | `"string"` - number | `"number"` (for all number types) - object | `"object"` - array | `"array"` - binary | `"binary"` - discarded | `"discarded"` - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - - @complexity Constant. - - @liveexample{The following code exemplifies `type_name()` for all JSON - types.,type_name} - - @sa @ref type() -- return the type of the JSON value - @sa @ref operator value_t() -- return the type of the JSON value (implicit) - - @since version 1.0.0, public since 2.1.0, `const char*` and `noexcept` - since 3.0.0 - */ - JSON_HEDLEY_RETURNS_NON_NULL - const char* type_name() const noexcept - { - { - switch (m_type) - { - case value_t::null: - return "null"; - case value_t::object: - return "object"; - case value_t::array: - return "array"; - case value_t::string: - return "string"; - case value_t::boolean: - return "boolean"; - case value_t::binary: - return "binary"; - case value_t::discarded: - return "discarded"; - default: - return "number"; - } - } - } - - - private: - ////////////////////// - // member variables // - ////////////////////// - - /// the type of the current element - value_t m_type = value_t::null; - - /// the value of the current element - json_value m_value = {}; - - ////////////////////////////////////////// - // binary serialization/deserialization // - ////////////////////////////////////////// - - /// @name binary serialization/deserialization support - /// @{ - - public: - /*! - @brief create a CBOR serialization of a given JSON value - - Serializes a given JSON value @a j to a byte vector using the CBOR (Concise - Binary Object Representation) serialization format. CBOR is a binary - serialization format which aims to be more compact than JSON itself, yet - more efficient to parse. - - The library uses the following mapping from JSON values types to - CBOR types according to the CBOR specification (RFC 7049): - - JSON value type | value/range | CBOR type | first byte - --------------- | ------------------------------------------ | ---------------------------------- | --------------- - null | `null` | Null | 0xF6 - boolean | `true` | True | 0xF5 - boolean | `false` | False | 0xF4 - number_integer | -9223372036854775808..-2147483649 | Negative integer (8 bytes follow) | 0x3B - number_integer | -2147483648..-32769 | Negative integer (4 bytes follow) | 0x3A - number_integer | -32768..-129 | Negative integer (2 bytes follow) | 0x39 - number_integer | -128..-25 | Negative integer (1 byte follow) | 0x38 - number_integer | -24..-1 | Negative integer | 0x20..0x37 - number_integer | 0..23 | Integer | 0x00..0x17 - number_integer | 24..255 | Unsigned integer (1 byte follow) | 0x18 - number_integer | 256..65535 | Unsigned integer (2 bytes follow) | 0x19 - number_integer | 65536..4294967295 | Unsigned integer (4 bytes follow) | 0x1A - number_integer | 4294967296..18446744073709551615 | Unsigned integer (8 bytes follow) | 0x1B - number_unsigned | 0..23 | Integer | 0x00..0x17 - number_unsigned | 24..255 | Unsigned integer (1 byte follow) | 0x18 - number_unsigned | 256..65535 | Unsigned integer (2 bytes follow) | 0x19 - number_unsigned | 65536..4294967295 | Unsigned integer (4 bytes follow) | 0x1A - number_unsigned | 4294967296..18446744073709551615 | Unsigned integer (8 bytes follow) | 0x1B - number_float | *any value representable by a float* | Single-Precision Float | 0xFA - number_float | *any value NOT representable by a float* | Double-Precision Float | 0xFB - string | *length*: 0..23 | UTF-8 string | 0x60..0x77 - string | *length*: 23..255 | UTF-8 string (1 byte follow) | 0x78 - string | *length*: 256..65535 | UTF-8 string (2 bytes follow) | 0x79 - string | *length*: 65536..4294967295 | UTF-8 string (4 bytes follow) | 0x7A - string | *length*: 4294967296..18446744073709551615 | UTF-8 string (8 bytes follow) | 0x7B - array | *size*: 0..23 | array | 0x80..0x97 - array | *size*: 23..255 | array (1 byte follow) | 0x98 - array | *size*: 256..65535 | array (2 bytes follow) | 0x99 - array | *size*: 65536..4294967295 | array (4 bytes follow) | 0x9A - array | *size*: 4294967296..18446744073709551615 | array (8 bytes follow) | 0x9B - object | *size*: 0..23 | map | 0xA0..0xB7 - object | *size*: 23..255 | map (1 byte follow) | 0xB8 - object | *size*: 256..65535 | map (2 bytes follow) | 0xB9 - object | *size*: 65536..4294967295 | map (4 bytes follow) | 0xBA - object | *size*: 4294967296..18446744073709551615 | map (8 bytes follow) | 0xBB - binary | *size*: 0..23 | byte string | 0x40..0x57 - binary | *size*: 23..255 | byte string (1 byte follow) | 0x58 - binary | *size*: 256..65535 | byte string (2 bytes follow) | 0x59 - binary | *size*: 65536..4294967295 | byte string (4 bytes follow) | 0x5A - binary | *size*: 4294967296..18446744073709551615 | byte string (8 bytes follow) | 0x5B - - @note The mapping is **complete** in the sense that any JSON value type - can be converted to a CBOR value. - - @note If NaN or Infinity are stored inside a JSON number, they are - serialized properly. This behavior differs from the @ref dump() - function which serializes NaN or Infinity to `null`. - - @note The following CBOR types are not used in the conversion: - - UTF-8 strings terminated by "break" (0x7F) - - arrays terminated by "break" (0x9F) - - maps terminated by "break" (0xBF) - - byte strings terminated by "break" (0x5F) - - date/time (0xC0..0xC1) - - bignum (0xC2..0xC3) - - decimal fraction (0xC4) - - bigfloat (0xC5) - - expected conversions (0xD5..0xD7) - - simple values (0xE0..0xF3, 0xF8) - - undefined (0xF7) - - half-precision floats (0xF9) - - break (0xFF) - - @param[in] j JSON value to serialize - @return CBOR serialization as byte vector - - @complexity Linear in the size of the JSON value @a j. - - @liveexample{The example shows the serialization of a JSON value to a byte - vector in CBOR format.,to_cbor} - - @sa http://cbor.io - @sa @ref from_cbor(detail::input_adapter&&, const bool, const bool, const cbor_tag_handler_t) for the - analogous deserialization - @sa @ref to_msgpack(const basic_json&) for the related MessagePack format - @sa @ref to_ubjson(const basic_json&, const bool, const bool) for the - related UBJSON format - - @since version 2.0.9; compact representation of floating-point numbers - since version 3.8.0 - */ - static std::vector to_cbor(const basic_json& j) - { - std::vector result; - to_cbor(j, result); - return result; - } - - static void to_cbor(const basic_json& j, detail::output_adapter o) - { - binary_writer(o).write_cbor(j); - } - - static void to_cbor(const basic_json& j, detail::output_adapter o) - { - binary_writer(o).write_cbor(j); - } - - /*! - @brief create a MessagePack serialization of a given JSON value - - Serializes a given JSON value @a j to a byte vector using the MessagePack - serialization format. MessagePack is a binary serialization format which - aims to be more compact than JSON itself, yet more efficient to parse. - - The library uses the following mapping from JSON values types to - MessagePack types according to the MessagePack specification: - - JSON value type | value/range | MessagePack type | first byte - --------------- | --------------------------------- | ---------------- | ---------- - null | `null` | nil | 0xC0 - boolean | `true` | true | 0xC3 - boolean | `false` | false | 0xC2 - number_integer | -9223372036854775808..-2147483649 | int64 | 0xD3 - number_integer | -2147483648..-32769 | int32 | 0xD2 - number_integer | -32768..-129 | int16 | 0xD1 - number_integer | -128..-33 | int8 | 0xD0 - number_integer | -32..-1 | negative fixint | 0xE0..0xFF - number_integer | 0..127 | positive fixint | 0x00..0x7F - number_integer | 128..255 | uint 8 | 0xCC - number_integer | 256..65535 | uint 16 | 0xCD - number_integer | 65536..4294967295 | uint 32 | 0xCE - number_integer | 4294967296..18446744073709551615 | uint 64 | 0xCF - number_unsigned | 0..127 | positive fixint | 0x00..0x7F - number_unsigned | 128..255 | uint 8 | 0xCC - number_unsigned | 256..65535 | uint 16 | 0xCD - number_unsigned | 65536..4294967295 | uint 32 | 0xCE - number_unsigned | 4294967296..18446744073709551615 | uint 64 | 0xCF - number_float | *any value representable by a float* | float 32 | 0xCA - number_float | *any value NOT representable by a float* | float 64 | 0xCB - string | *length*: 0..31 | fixstr | 0xA0..0xBF - string | *length*: 32..255 | str 8 | 0xD9 - string | *length*: 256..65535 | str 16 | 0xDA - string | *length*: 65536..4294967295 | str 32 | 0xDB - array | *size*: 0..15 | fixarray | 0x90..0x9F - array | *size*: 16..65535 | array 16 | 0xDC - array | *size*: 65536..4294967295 | array 32 | 0xDD - object | *size*: 0..15 | fix map | 0x80..0x8F - object | *size*: 16..65535 | map 16 | 0xDE - object | *size*: 65536..4294967295 | map 32 | 0xDF - binary | *size*: 0..255 | bin 8 | 0xC4 - binary | *size*: 256..65535 | bin 16 | 0xC5 - binary | *size*: 65536..4294967295 | bin 32 | 0xC6 - - @note The mapping is **complete** in the sense that any JSON value type - can be converted to a MessagePack value. - - @note The following values can **not** be converted to a MessagePack value: - - strings with more than 4294967295 bytes - - byte strings with more than 4294967295 bytes - - arrays with more than 4294967295 elements - - objects with more than 4294967295 elements - - @note Any MessagePack output created @ref to_msgpack can be successfully - parsed by @ref from_msgpack. - - @note If NaN or Infinity are stored inside a JSON number, they are - serialized properly. This behavior differs from the @ref dump() - function which serializes NaN or Infinity to `null`. - - @param[in] j JSON value to serialize - @return MessagePack serialization as byte vector - - @complexity Linear in the size of the JSON value @a j. - - @liveexample{The example shows the serialization of a JSON value to a byte - vector in MessagePack format.,to_msgpack} - - @sa http://msgpack.org - @sa @ref from_msgpack for the analogous deserialization - @sa @ref to_cbor(const basic_json& for the related CBOR format - @sa @ref to_ubjson(const basic_json&, const bool, const bool) for the - related UBJSON format - - @since version 2.0.9 - */ - static std::vector to_msgpack(const basic_json& j) - { - std::vector result; - to_msgpack(j, result); - return result; - } - - static void to_msgpack(const basic_json& j, detail::output_adapter o) - { - binary_writer(o).write_msgpack(j); - } - - static void to_msgpack(const basic_json& j, detail::output_adapter o) - { - binary_writer(o).write_msgpack(j); - } - - /*! - @brief create a UBJSON serialization of a given JSON value - - Serializes a given JSON value @a j to a byte vector using the UBJSON - (Universal Binary JSON) serialization format. UBJSON aims to be more compact - than JSON itself, yet more efficient to parse. - - The library uses the following mapping from JSON values types to - UBJSON types according to the UBJSON specification: - - JSON value type | value/range | UBJSON type | marker - --------------- | --------------------------------- | ----------- | ------ - null | `null` | null | `Z` - boolean | `true` | true | `T` - boolean | `false` | false | `F` - number_integer | -9223372036854775808..-2147483649 | int64 | `L` - number_integer | -2147483648..-32769 | int32 | `l` - number_integer | -32768..-129 | int16 | `I` - number_integer | -128..127 | int8 | `i` - number_integer | 128..255 | uint8 | `U` - number_integer | 256..32767 | int16 | `I` - number_integer | 32768..2147483647 | int32 | `l` - number_integer | 2147483648..9223372036854775807 | int64 | `L` - number_unsigned | 0..127 | int8 | `i` - number_unsigned | 128..255 | uint8 | `U` - number_unsigned | 256..32767 | int16 | `I` - number_unsigned | 32768..2147483647 | int32 | `l` - number_unsigned | 2147483648..9223372036854775807 | int64 | `L` - number_unsigned | 2147483649..18446744073709551615 | high-precision | `H` - number_float | *any value* | float64 | `D` - string | *with shortest length indicator* | string | `S` - array | *see notes on optimized format* | array | `[` - object | *see notes on optimized format* | map | `{` - - @note The mapping is **complete** in the sense that any JSON value type - can be converted to a UBJSON value. - - @note The following values can **not** be converted to a UBJSON value: - - strings with more than 9223372036854775807 bytes (theoretical) - - @note The following markers are not used in the conversion: - - `Z`: no-op values are not created. - - `C`: single-byte strings are serialized with `S` markers. - - @note Any UBJSON output created @ref to_ubjson can be successfully parsed - by @ref from_ubjson. - - @note If NaN or Infinity are stored inside a JSON number, they are - serialized properly. This behavior differs from the @ref dump() - function which serializes NaN or Infinity to `null`. - - @note The optimized formats for containers are supported: Parameter - @a use_size adds size information to the beginning of a container and - removes the closing marker. Parameter @a use_type further checks - whether all elements of a container have the same type and adds the - type marker to the beginning of the container. The @a use_type - parameter must only be used together with @a use_size = true. Note - that @a use_size = true alone may result in larger representations - - the benefit of this parameter is that the receiving side is - immediately informed on the number of elements of the container. - - @note If the JSON data contains the binary type, the value stored is a list - of integers, as suggested by the UBJSON documentation. In particular, - this means that serialization and the deserialization of a JSON - containing binary values into UBJSON and back will result in a - different JSON object. - - @param[in] j JSON value to serialize - @param[in] use_size whether to add size annotations to container types - @param[in] use_type whether to add type annotations to container types - (must be combined with @a use_size = true) - @return UBJSON serialization as byte vector - - @complexity Linear in the size of the JSON value @a j. - - @liveexample{The example shows the serialization of a JSON value to a byte - vector in UBJSON format.,to_ubjson} - - @sa http://ubjson.org - @sa @ref from_ubjson(detail::input_adapter&&, const bool, const bool) for the - analogous deserialization - @sa @ref to_cbor(const basic_json& for the related CBOR format - @sa @ref to_msgpack(const basic_json&) for the related MessagePack format - - @since version 3.1.0 - */ - static std::vector to_ubjson(const basic_json& j, - const bool use_size = false, - const bool use_type = false) - { - std::vector result; - to_ubjson(j, result, use_size, use_type); - return result; - } - - static void to_ubjson(const basic_json& j, detail::output_adapter o, - const bool use_size = false, const bool use_type = false) - { - binary_writer(o).write_ubjson(j, use_size, use_type); - } - - static void to_ubjson(const basic_json& j, detail::output_adapter o, - const bool use_size = false, const bool use_type = false) - { - binary_writer(o).write_ubjson(j, use_size, use_type); - } - - - /*! - @brief Serializes the given JSON object `j` to BSON and returns a vector - containing the corresponding BSON-representation. - - BSON (Binary JSON) is a binary format in which zero or more ordered key/value pairs are - stored as a single entity (a so-called document). - - The library uses the following mapping from JSON values types to BSON types: - - JSON value type | value/range | BSON type | marker - --------------- | --------------------------------- | ----------- | ------ - null | `null` | null | 0x0A - boolean | `true`, `false` | boolean | 0x08 - number_integer | -9223372036854775808..-2147483649 | int64 | 0x12 - number_integer | -2147483648..2147483647 | int32 | 0x10 - number_integer | 2147483648..9223372036854775807 | int64 | 0x12 - number_unsigned | 0..2147483647 | int32 | 0x10 - number_unsigned | 2147483648..9223372036854775807 | int64 | 0x12 - number_unsigned | 9223372036854775808..18446744073709551615| -- | -- - number_float | *any value* | double | 0x01 - string | *any value* | string | 0x02 - array | *any value* | document | 0x04 - object | *any value* | document | 0x03 - binary | *any value* | binary | 0x05 - - @warning The mapping is **incomplete**, since only JSON-objects (and things - contained therein) can be serialized to BSON. - Also, integers larger than 9223372036854775807 cannot be serialized to BSON, - and the keys may not contain U+0000, since they are serialized a - zero-terminated c-strings. - - @throw out_of_range.407 if `j.is_number_unsigned() && j.get() > 9223372036854775807` - @throw out_of_range.409 if a key in `j` contains a NULL (U+0000) - @throw type_error.317 if `!j.is_object()` - - @pre The input `j` is required to be an object: `j.is_object() == true`. - - @note Any BSON output created via @ref to_bson can be successfully parsed - by @ref from_bson. - - @param[in] j JSON value to serialize - @return BSON serialization as byte vector - - @complexity Linear in the size of the JSON value @a j. - - @liveexample{The example shows the serialization of a JSON value to a byte - vector in BSON format.,to_bson} - - @sa http://bsonspec.org/spec.html - @sa @ref from_bson(detail::input_adapter&&, const bool strict) for the - analogous deserialization - @sa @ref to_ubjson(const basic_json&, const bool, const bool) for the - related UBJSON format - @sa @ref to_cbor(const basic_json&) for the related CBOR format - @sa @ref to_msgpack(const basic_json&) for the related MessagePack format - */ - static std::vector to_bson(const basic_json& j) - { - std::vector result; - to_bson(j, result); - return result; - } - - /*! - @brief Serializes the given JSON object `j` to BSON and forwards the - corresponding BSON-representation to the given output_adapter `o`. - @param j The JSON object to convert to BSON. - @param o The output adapter that receives the binary BSON representation. - @pre The input `j` shall be an object: `j.is_object() == true` - @sa @ref to_bson(const basic_json&) - */ - static void to_bson(const basic_json& j, detail::output_adapter o) - { - binary_writer(o).write_bson(j); - } - - /*! - @copydoc to_bson(const basic_json&, detail::output_adapter) - */ - static void to_bson(const basic_json& j, detail::output_adapter o) - { - binary_writer(o).write_bson(j); - } - - - /*! - @brief create a JSON value from an input in CBOR format - - Deserializes a given input @a i to a JSON value using the CBOR (Concise - Binary Object Representation) serialization format. - - The library maps CBOR types to JSON value types as follows: - - CBOR type | JSON value type | first byte - ---------------------- | --------------- | ---------- - Integer | number_unsigned | 0x00..0x17 - Unsigned integer | number_unsigned | 0x18 - Unsigned integer | number_unsigned | 0x19 - Unsigned integer | number_unsigned | 0x1A - Unsigned integer | number_unsigned | 0x1B - Negative integer | number_integer | 0x20..0x37 - Negative integer | number_integer | 0x38 - Negative integer | number_integer | 0x39 - Negative integer | number_integer | 0x3A - Negative integer | number_integer | 0x3B - Byte string | binary | 0x40..0x57 - Byte string | binary | 0x58 - Byte string | binary | 0x59 - Byte string | binary | 0x5A - Byte string | binary | 0x5B - UTF-8 string | string | 0x60..0x77 - UTF-8 string | string | 0x78 - UTF-8 string | string | 0x79 - UTF-8 string | string | 0x7A - UTF-8 string | string | 0x7B - UTF-8 string | string | 0x7F - array | array | 0x80..0x97 - array | array | 0x98 - array | array | 0x99 - array | array | 0x9A - array | array | 0x9B - array | array | 0x9F - map | object | 0xA0..0xB7 - map | object | 0xB8 - map | object | 0xB9 - map | object | 0xBA - map | object | 0xBB - map | object | 0xBF - False | `false` | 0xF4 - True | `true` | 0xF5 - Null | `null` | 0xF6 - Half-Precision Float | number_float | 0xF9 - Single-Precision Float | number_float | 0xFA - Double-Precision Float | number_float | 0xFB - - @warning The mapping is **incomplete** in the sense that not all CBOR - types can be converted to a JSON value. The following CBOR types - are not supported and will yield parse errors (parse_error.112): - - date/time (0xC0..0xC1) - - bignum (0xC2..0xC3) - - decimal fraction (0xC4) - - bigfloat (0xC5) - - expected conversions (0xD5..0xD7) - - simple values (0xE0..0xF3, 0xF8) - - undefined (0xF7) - - @warning CBOR allows map keys of any type, whereas JSON only allows - strings as keys in object values. Therefore, CBOR maps with keys - other than UTF-8 strings are rejected (parse_error.113). - - @note Any CBOR output created @ref to_cbor can be successfully parsed by - @ref from_cbor. - - @param[in] i an input in CBOR format convertible to an input adapter - @param[in] strict whether to expect the input to be consumed until EOF - (true by default) - @param[in] allow_exceptions whether to throw exceptions in case of a - parse error (optional, true by default) - @param[in] tag_handler how to treat CBOR tags (optional, error by default) - - @return deserialized JSON value; in case of a parse error and - @a allow_exceptions set to `false`, the return value will be - value_t::discarded. - - @throw parse_error.110 if the given input ends prematurely or the end of - file was not reached when @a strict was set to true - @throw parse_error.112 if unsupported features from CBOR were - used in the given input @a v or if the input is not valid CBOR - @throw parse_error.113 if a string was expected as map key, but not found - - @complexity Linear in the size of the input @a i. - - @liveexample{The example shows the deserialization of a byte vector in CBOR - format to a JSON value.,from_cbor} - - @sa http://cbor.io - @sa @ref to_cbor(const basic_json&) for the analogous serialization - @sa @ref from_msgpack(detail::input_adapter&&, const bool, const bool) for the - related MessagePack format - @sa @ref from_ubjson(detail::input_adapter&&, const bool, const bool) for the - related UBJSON format - - @since version 2.0.9; parameter @a start_index since 2.1.1; changed to - consume input adapters, removed start_index parameter, and added - @a strict parameter since 3.0.0; added @a allow_exceptions parameter - since 3.2.0; added @a tag_handler parameter since 3.9.0. - */ - template - JSON_HEDLEY_WARN_UNUSED_RESULT - static basic_json from_cbor(InputType&& i, - const bool strict = true, - const bool allow_exceptions = true, - const cbor_tag_handler_t tag_handler = cbor_tag_handler_t::error) - { - basic_json result; - detail::json_sax_dom_parser sdp(result, allow_exceptions); - auto ia = detail::input_adapter(std::forward(i)); - const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::cbor, &sdp, strict, tag_handler); - return res ? result : basic_json(value_t::discarded); - } - - /*! - @copydoc from_cbor(detail::input_adapter&&, const bool, const bool, const cbor_tag_handler_t) - */ - template - JSON_HEDLEY_WARN_UNUSED_RESULT - static basic_json from_cbor(IteratorType first, IteratorType last, - const bool strict = true, - const bool allow_exceptions = true, - const cbor_tag_handler_t tag_handler = cbor_tag_handler_t::error) - { - basic_json result; - detail::json_sax_dom_parser sdp(result, allow_exceptions); - auto ia = detail::input_adapter(std::move(first), std::move(last)); - const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::cbor, &sdp, strict, tag_handler); - return res ? result : basic_json(value_t::discarded); - } - - template - JSON_HEDLEY_WARN_UNUSED_RESULT - JSON_HEDLEY_DEPRECATED_FOR(3.8.0, from_cbor(ptr, ptr + len)) - static basic_json from_cbor(const T* ptr, std::size_t len, - const bool strict = true, - const bool allow_exceptions = true, - const cbor_tag_handler_t tag_handler = cbor_tag_handler_t::error) - { - return from_cbor(ptr, ptr + len, strict, allow_exceptions, tag_handler); - } - - - JSON_HEDLEY_WARN_UNUSED_RESULT - JSON_HEDLEY_DEPRECATED_FOR(3.8.0, from_cbor(ptr, ptr + len)) - static basic_json from_cbor(detail::span_input_adapter&& i, - const bool strict = true, - const bool allow_exceptions = true, - const cbor_tag_handler_t tag_handler = cbor_tag_handler_t::error) - { - basic_json result; - detail::json_sax_dom_parser sdp(result, allow_exceptions); - auto ia = i.get(); - const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::cbor, &sdp, strict, tag_handler); - return res ? result : basic_json(value_t::discarded); - } - - /*! - @brief create a JSON value from an input in MessagePack format - - Deserializes a given input @a i to a JSON value using the MessagePack - serialization format. - - The library maps MessagePack types to JSON value types as follows: - - MessagePack type | JSON value type | first byte - ---------------- | --------------- | ---------- - positive fixint | number_unsigned | 0x00..0x7F - fixmap | object | 0x80..0x8F - fixarray | array | 0x90..0x9F - fixstr | string | 0xA0..0xBF - nil | `null` | 0xC0 - false | `false` | 0xC2 - true | `true` | 0xC3 - float 32 | number_float | 0xCA - float 64 | number_float | 0xCB - uint 8 | number_unsigned | 0xCC - uint 16 | number_unsigned | 0xCD - uint 32 | number_unsigned | 0xCE - uint 64 | number_unsigned | 0xCF - int 8 | number_integer | 0xD0 - int 16 | number_integer | 0xD1 - int 32 | number_integer | 0xD2 - int 64 | number_integer | 0xD3 - str 8 | string | 0xD9 - str 16 | string | 0xDA - str 32 | string | 0xDB - array 16 | array | 0xDC - array 32 | array | 0xDD - map 16 | object | 0xDE - map 32 | object | 0xDF - bin 8 | binary | 0xC4 - bin 16 | binary | 0xC5 - bin 32 | binary | 0xC6 - ext 8 | binary | 0xC7 - ext 16 | binary | 0xC8 - ext 32 | binary | 0xC9 - fixext 1 | binary | 0xD4 - fixext 2 | binary | 0xD5 - fixext 4 | binary | 0xD6 - fixext 8 | binary | 0xD7 - fixext 16 | binary | 0xD8 - negative fixint | number_integer | 0xE0-0xFF - - @note Any MessagePack output created @ref to_msgpack can be successfully - parsed by @ref from_msgpack. - - @param[in] i an input in MessagePack format convertible to an input - adapter - @param[in] strict whether to expect the input to be consumed until EOF - (true by default) - @param[in] allow_exceptions whether to throw exceptions in case of a - parse error (optional, true by default) - - @return deserialized JSON value; in case of a parse error and - @a allow_exceptions set to `false`, the return value will be - value_t::discarded. - - @throw parse_error.110 if the given input ends prematurely or the end of - file was not reached when @a strict was set to true - @throw parse_error.112 if unsupported features from MessagePack were - used in the given input @a i or if the input is not valid MessagePack - @throw parse_error.113 if a string was expected as map key, but not found - - @complexity Linear in the size of the input @a i. - - @liveexample{The example shows the deserialization of a byte vector in - MessagePack format to a JSON value.,from_msgpack} - - @sa http://msgpack.org - @sa @ref to_msgpack(const basic_json&) for the analogous serialization - @sa @ref from_cbor(detail::input_adapter&&, const bool, const bool, const cbor_tag_handler_t) for the - related CBOR format - @sa @ref from_ubjson(detail::input_adapter&&, const bool, const bool) for - the related UBJSON format - @sa @ref from_bson(detail::input_adapter&&, const bool, const bool) for - the related BSON format - - @since version 2.0.9; parameter @a start_index since 2.1.1; changed to - consume input adapters, removed start_index parameter, and added - @a strict parameter since 3.0.0; added @a allow_exceptions parameter - since 3.2.0 - */ - template - JSON_HEDLEY_WARN_UNUSED_RESULT - static basic_json from_msgpack(InputType&& i, - const bool strict = true, - const bool allow_exceptions = true) - { - basic_json result; - detail::json_sax_dom_parser sdp(result, allow_exceptions); - auto ia = detail::input_adapter(std::forward(i)); - const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::msgpack, &sdp, strict); - return res ? result : basic_json(value_t::discarded); - } - - /*! - @copydoc from_msgpack(detail::input_adapter&&, const bool, const bool) - */ - template - JSON_HEDLEY_WARN_UNUSED_RESULT - static basic_json from_msgpack(IteratorType first, IteratorType last, - const bool strict = true, - const bool allow_exceptions = true) - { - basic_json result; - detail::json_sax_dom_parser sdp(result, allow_exceptions); - auto ia = detail::input_adapter(std::move(first), std::move(last)); - const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::msgpack, &sdp, strict); - return res ? result : basic_json(value_t::discarded); - } - - - template - JSON_HEDLEY_WARN_UNUSED_RESULT - JSON_HEDLEY_DEPRECATED_FOR(3.8.0, from_msgpack(ptr, ptr + len)) - static basic_json from_msgpack(const T* ptr, std::size_t len, - const bool strict = true, - const bool allow_exceptions = true) - { - return from_msgpack(ptr, ptr + len, strict, allow_exceptions); - } - - JSON_HEDLEY_WARN_UNUSED_RESULT - JSON_HEDLEY_DEPRECATED_FOR(3.8.0, from_msgpack(ptr, ptr + len)) - static basic_json from_msgpack(detail::span_input_adapter&& i, - const bool strict = true, - const bool allow_exceptions = true) - { - basic_json result; - detail::json_sax_dom_parser sdp(result, allow_exceptions); - auto ia = i.get(); - const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::msgpack, &sdp, strict); - return res ? result : basic_json(value_t::discarded); - } - - - /*! - @brief create a JSON value from an input in UBJSON format - - Deserializes a given input @a i to a JSON value using the UBJSON (Universal - Binary JSON) serialization format. - - The library maps UBJSON types to JSON value types as follows: - - UBJSON type | JSON value type | marker - ----------- | --------------------------------------- | ------ - no-op | *no value, next value is read* | `N` - null | `null` | `Z` - false | `false` | `F` - true | `true` | `T` - float32 | number_float | `d` - float64 | number_float | `D` - uint8 | number_unsigned | `U` - int8 | number_integer | `i` - int16 | number_integer | `I` - int32 | number_integer | `l` - int64 | number_integer | `L` - high-precision number | number_integer, number_unsigned, or number_float - depends on number string | 'H' - string | string | `S` - char | string | `C` - array | array (optimized values are supported) | `[` - object | object (optimized values are supported) | `{` - - @note The mapping is **complete** in the sense that any UBJSON value can - be converted to a JSON value. - - @param[in] i an input in UBJSON format convertible to an input adapter - @param[in] strict whether to expect the input to be consumed until EOF - (true by default) - @param[in] allow_exceptions whether to throw exceptions in case of a - parse error (optional, true by default) - - @return deserialized JSON value; in case of a parse error and - @a allow_exceptions set to `false`, the return value will be - value_t::discarded. - - @throw parse_error.110 if the given input ends prematurely or the end of - file was not reached when @a strict was set to true - @throw parse_error.112 if a parse error occurs - @throw parse_error.113 if a string could not be parsed successfully - - @complexity Linear in the size of the input @a i. - - @liveexample{The example shows the deserialization of a byte vector in - UBJSON format to a JSON value.,from_ubjson} - - @sa http://ubjson.org - @sa @ref to_ubjson(const basic_json&, const bool, const bool) for the - analogous serialization - @sa @ref from_cbor(detail::input_adapter&&, const bool, const bool, const cbor_tag_handler_t) for the - related CBOR format - @sa @ref from_msgpack(detail::input_adapter&&, const bool, const bool) for - the related MessagePack format - @sa @ref from_bson(detail::input_adapter&&, const bool, const bool) for - the related BSON format - - @since version 3.1.0; added @a allow_exceptions parameter since 3.2.0 - */ - template - JSON_HEDLEY_WARN_UNUSED_RESULT - static basic_json from_ubjson(InputType&& i, - const bool strict = true, - const bool allow_exceptions = true) - { - basic_json result; - detail::json_sax_dom_parser sdp(result, allow_exceptions); - auto ia = detail::input_adapter(std::forward(i)); - const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::ubjson, &sdp, strict); - return res ? result : basic_json(value_t::discarded); - } - - /*! - @copydoc from_ubjson(detail::input_adapter&&, const bool, const bool) - */ - template - JSON_HEDLEY_WARN_UNUSED_RESULT - static basic_json from_ubjson(IteratorType first, IteratorType last, - const bool strict = true, - const bool allow_exceptions = true) - { - basic_json result; - detail::json_sax_dom_parser sdp(result, allow_exceptions); - auto ia = detail::input_adapter(std::move(first), std::move(last)); - const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::ubjson, &sdp, strict); - return res ? result : basic_json(value_t::discarded); - } - - template - JSON_HEDLEY_WARN_UNUSED_RESULT - JSON_HEDLEY_DEPRECATED_FOR(3.8.0, from_ubjson(ptr, ptr + len)) - static basic_json from_ubjson(const T* ptr, std::size_t len, - const bool strict = true, - const bool allow_exceptions = true) - { - return from_ubjson(ptr, ptr + len, strict, allow_exceptions); - } - - JSON_HEDLEY_WARN_UNUSED_RESULT - JSON_HEDLEY_DEPRECATED_FOR(3.8.0, from_ubjson(ptr, ptr + len)) - static basic_json from_ubjson(detail::span_input_adapter&& i, - const bool strict = true, - const bool allow_exceptions = true) - { - basic_json result; - detail::json_sax_dom_parser sdp(result, allow_exceptions); - auto ia = i.get(); - const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::ubjson, &sdp, strict); - return res ? result : basic_json(value_t::discarded); - } - - - /*! - @brief Create a JSON value from an input in BSON format - - Deserializes a given input @a i to a JSON value using the BSON (Binary JSON) - serialization format. - - The library maps BSON record types to JSON value types as follows: - - BSON type | BSON marker byte | JSON value type - --------------- | ---------------- | --------------------------- - double | 0x01 | number_float - string | 0x02 | string - document | 0x03 | object - array | 0x04 | array - binary | 0x05 | still unsupported - undefined | 0x06 | still unsupported - ObjectId | 0x07 | still unsupported - boolean | 0x08 | boolean - UTC Date-Time | 0x09 | still unsupported - null | 0x0A | null - Regular Expr. | 0x0B | still unsupported - DB Pointer | 0x0C | still unsupported - JavaScript Code | 0x0D | still unsupported - Symbol | 0x0E | still unsupported - JavaScript Code | 0x0F | still unsupported - int32 | 0x10 | number_integer - Timestamp | 0x11 | still unsupported - 128-bit decimal float | 0x13 | still unsupported - Max Key | 0x7F | still unsupported - Min Key | 0xFF | still unsupported - - @warning The mapping is **incomplete**. The unsupported mappings - are indicated in the table above. - - @param[in] i an input in BSON format convertible to an input adapter - @param[in] strict whether to expect the input to be consumed until EOF - (true by default) - @param[in] allow_exceptions whether to throw exceptions in case of a - parse error (optional, true by default) - - @return deserialized JSON value; in case of a parse error and - @a allow_exceptions set to `false`, the return value will be - value_t::discarded. - - @throw parse_error.114 if an unsupported BSON record type is encountered - - @complexity Linear in the size of the input @a i. - - @liveexample{The example shows the deserialization of a byte vector in - BSON format to a JSON value.,from_bson} - - @sa http://bsonspec.org/spec.html - @sa @ref to_bson(const basic_json&) for the analogous serialization - @sa @ref from_cbor(detail::input_adapter&&, const bool, const bool, const cbor_tag_handler_t) for the - related CBOR format - @sa @ref from_msgpack(detail::input_adapter&&, const bool, const bool) for - the related MessagePack format - @sa @ref from_ubjson(detail::input_adapter&&, const bool, const bool) for the - related UBJSON format - */ - template - JSON_HEDLEY_WARN_UNUSED_RESULT - static basic_json from_bson(InputType&& i, - const bool strict = true, - const bool allow_exceptions = true) - { - basic_json result; - detail::json_sax_dom_parser sdp(result, allow_exceptions); - auto ia = detail::input_adapter(std::forward(i)); - const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::bson, &sdp, strict); - return res ? result : basic_json(value_t::discarded); - } - - /*! - @copydoc from_bson(detail::input_adapter&&, const bool, const bool) - */ - template - JSON_HEDLEY_WARN_UNUSED_RESULT - static basic_json from_bson(IteratorType first, IteratorType last, - const bool strict = true, - const bool allow_exceptions = true) - { - basic_json result; - detail::json_sax_dom_parser sdp(result, allow_exceptions); - auto ia = detail::input_adapter(std::move(first), std::move(last)); - const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::bson, &sdp, strict); - return res ? result : basic_json(value_t::discarded); - } - - template - JSON_HEDLEY_WARN_UNUSED_RESULT - JSON_HEDLEY_DEPRECATED_FOR(3.8.0, from_bson(ptr, ptr + len)) - static basic_json from_bson(const T* ptr, std::size_t len, - const bool strict = true, - const bool allow_exceptions = true) - { - return from_bson(ptr, ptr + len, strict, allow_exceptions); - } - - JSON_HEDLEY_WARN_UNUSED_RESULT - JSON_HEDLEY_DEPRECATED_FOR(3.8.0, from_bson(ptr, ptr + len)) - static basic_json from_bson(detail::span_input_adapter&& i, - const bool strict = true, - const bool allow_exceptions = true) - { - basic_json result; - detail::json_sax_dom_parser sdp(result, allow_exceptions); - auto ia = i.get(); - const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::bson, &sdp, strict); - return res ? result : basic_json(value_t::discarded); - } - /// @} - - ////////////////////////// - // JSON Pointer support // - ////////////////////////// - - /// @name JSON Pointer functions - /// @{ - - /*! - @brief access specified element via JSON Pointer - - Uses a JSON pointer to retrieve a reference to the respective JSON value. - No bound checking is performed. Similar to @ref operator[](const typename - object_t::key_type&), `null` values are created in arrays and objects if - necessary. - - In particular: - - If the JSON pointer points to an object key that does not exist, it - is created an filled with a `null` value before a reference to it - is returned. - - If the JSON pointer points to an array index that does not exist, it - is created an filled with a `null` value before a reference to it - is returned. All indices between the current maximum and the given - index are also filled with `null`. - - The special value `-` is treated as a synonym for the index past the - end. - - @param[in] ptr a JSON pointer - - @return reference to the element pointed to by @a ptr - - @complexity Constant. - - @throw parse_error.106 if an array index begins with '0' - @throw parse_error.109 if an array index was not a number - @throw out_of_range.404 if the JSON pointer can not be resolved - - @liveexample{The behavior is shown in the example.,operatorjson_pointer} - - @since version 2.0.0 - */ - reference operator[](const json_pointer& ptr) - { - return ptr.get_unchecked(this); - } - - /*! - @brief access specified element via JSON Pointer - - Uses a JSON pointer to retrieve a reference to the respective JSON value. - No bound checking is performed. The function does not change the JSON - value; no `null` values are created. In particular, the special value - `-` yields an exception. - - @param[in] ptr JSON pointer to the desired element - - @return const reference to the element pointed to by @a ptr - - @complexity Constant. - - @throw parse_error.106 if an array index begins with '0' - @throw parse_error.109 if an array index was not a number - @throw out_of_range.402 if the array index '-' is used - @throw out_of_range.404 if the JSON pointer can not be resolved - - @liveexample{The behavior is shown in the example.,operatorjson_pointer_const} - - @since version 2.0.0 - */ - const_reference operator[](const json_pointer& ptr) const - { - return ptr.get_unchecked(this); - } - - /*! - @brief access specified element via JSON Pointer - - Returns a reference to the element at with specified JSON pointer @a ptr, - with bounds checking. - - @param[in] ptr JSON pointer to the desired element - - @return reference to the element pointed to by @a ptr - - @throw parse_error.106 if an array index in the passed JSON pointer @a ptr - begins with '0'. See example below. - - @throw parse_error.109 if an array index in the passed JSON pointer @a ptr - is not a number. See example below. - - @throw out_of_range.401 if an array index in the passed JSON pointer @a ptr - is out of range. See example below. - - @throw out_of_range.402 if the array index '-' is used in the passed JSON - pointer @a ptr. As `at` provides checked access (and no elements are - implicitly inserted), the index '-' is always invalid. See example below. - - @throw out_of_range.403 if the JSON pointer describes a key of an object - which cannot be found. See example below. - - @throw out_of_range.404 if the JSON pointer @a ptr can not be resolved. - See example below. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes in the JSON value. - - @complexity Constant. - - @since version 2.0.0 - - @liveexample{The behavior is shown in the example.,at_json_pointer} - */ - reference at(const json_pointer& ptr) - { - return ptr.get_checked(this); - } - - /*! - @brief access specified element via JSON Pointer - - Returns a const reference to the element at with specified JSON pointer @a - ptr, with bounds checking. - - @param[in] ptr JSON pointer to the desired element - - @return reference to the element pointed to by @a ptr - - @throw parse_error.106 if an array index in the passed JSON pointer @a ptr - begins with '0'. See example below. - - @throw parse_error.109 if an array index in the passed JSON pointer @a ptr - is not a number. See example below. - - @throw out_of_range.401 if an array index in the passed JSON pointer @a ptr - is out of range. See example below. - - @throw out_of_range.402 if the array index '-' is used in the passed JSON - pointer @a ptr. As `at` provides checked access (and no elements are - implicitly inserted), the index '-' is always invalid. See example below. - - @throw out_of_range.403 if the JSON pointer describes a key of an object - which cannot be found. See example below. - - @throw out_of_range.404 if the JSON pointer @a ptr can not be resolved. - See example below. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes in the JSON value. - - @complexity Constant. - - @since version 2.0.0 - - @liveexample{The behavior is shown in the example.,at_json_pointer_const} - */ - const_reference at(const json_pointer& ptr) const - { - return ptr.get_checked(this); - } - - /*! - @brief return flattened JSON value - - The function creates a JSON object whose keys are JSON pointers (see [RFC - 6901](https://tools.ietf.org/html/rfc6901)) and whose values are all - primitive. The original JSON value can be restored using the @ref - unflatten() function. - - @return an object that maps JSON pointers to primitive values - - @note Empty objects and arrays are flattened to `null` and will not be - reconstructed correctly by the @ref unflatten() function. - - @complexity Linear in the size the JSON value. - - @liveexample{The following code shows how a JSON object is flattened to an - object whose keys consist of JSON pointers.,flatten} - - @sa @ref unflatten() for the reverse function - - @since version 2.0.0 - */ - basic_json flatten() const - { - basic_json result(value_t::object); - json_pointer::flatten("", *this, result); - return result; - } - - /*! - @brief unflatten a previously flattened JSON value - - The function restores the arbitrary nesting of a JSON value that has been - flattened before using the @ref flatten() function. The JSON value must - meet certain constraints: - 1. The value must be an object. - 2. The keys must be JSON pointers (see - [RFC 6901](https://tools.ietf.org/html/rfc6901)) - 3. The mapped values must be primitive JSON types. - - @return the original JSON from a flattened version - - @note Empty objects and arrays are flattened by @ref flatten() to `null` - values and can not unflattened to their original type. Apart from - this example, for a JSON value `j`, the following is always true: - `j == j.flatten().unflatten()`. - - @complexity Linear in the size the JSON value. - - @throw type_error.314 if value is not an object - @throw type_error.315 if object values are not primitive - - @liveexample{The following code shows how a flattened JSON object is - unflattened into the original nested JSON object.,unflatten} - - @sa @ref flatten() for the reverse function - - @since version 2.0.0 - */ - basic_json unflatten() const - { - return json_pointer::unflatten(*this); - } - - /// @} - - ////////////////////////// - // JSON Patch functions // - ////////////////////////// - - /// @name JSON Patch functions - /// @{ - - /*! - @brief applies a JSON patch - - [JSON Patch](http://jsonpatch.com) defines a JSON document structure for - expressing a sequence of operations to apply to a JSON) document. With - this function, a JSON Patch is applied to the current JSON value by - executing all operations from the patch. - - @param[in] json_patch JSON patch document - @return patched document - - @note The application of a patch is atomic: Either all operations succeed - and the patched document is returned or an exception is thrown. In - any case, the original value is not changed: the patch is applied - to a copy of the value. - - @throw parse_error.104 if the JSON patch does not consist of an array of - objects - - @throw parse_error.105 if the JSON patch is malformed (e.g., mandatory - attributes are missing); example: `"operation add must have member path"` - - @throw out_of_range.401 if an array index is out of range. - - @throw out_of_range.403 if a JSON pointer inside the patch could not be - resolved successfully in the current JSON value; example: `"key baz not - found"` - - @throw out_of_range.405 if JSON pointer has no parent ("add", "remove", - "move") - - @throw other_error.501 if "test" operation was unsuccessful - - @complexity Linear in the size of the JSON value and the length of the - JSON patch. As usually only a fraction of the JSON value is affected by - the patch, the complexity can usually be neglected. - - @liveexample{The following code shows how a JSON patch is applied to a - value.,patch} - - @sa @ref diff -- create a JSON patch by comparing two JSON values - - @sa [RFC 6902 (JSON Patch)](https://tools.ietf.org/html/rfc6902) - @sa [RFC 6901 (JSON Pointer)](https://tools.ietf.org/html/rfc6901) - - @since version 2.0.0 - */ - basic_json patch(const basic_json& json_patch) const - { - // make a working copy to apply the patch to - basic_json result = *this; - - // the valid JSON Patch operations - enum class patch_operations {add, remove, replace, move, copy, test, invalid}; - - const auto get_op = [](const std::string & op) - { - if (op == "add") - { - return patch_operations::add; - } - if (op == "remove") - { - return patch_operations::remove; - } - if (op == "replace") - { - return patch_operations::replace; - } - if (op == "move") - { - return patch_operations::move; - } - if (op == "copy") - { - return patch_operations::copy; - } - if (op == "test") - { - return patch_operations::test; - } - - return patch_operations::invalid; - }; - - // wrapper for "add" operation; add value at ptr - const auto operation_add = [&result](json_pointer & ptr, basic_json val) - { - // adding to the root of the target document means replacing it - if (ptr.empty()) - { - result = val; - return; - } - - // make sure the top element of the pointer exists - json_pointer top_pointer = ptr.top(); - if (top_pointer != ptr) - { - result.at(top_pointer); - } - - // get reference to parent of JSON pointer ptr - const auto last_path = ptr.back(); - ptr.pop_back(); - basic_json& parent = result[ptr]; - - switch (parent.m_type) - { - case value_t::null: - case value_t::object: - { - // use operator[] to add value - parent[last_path] = val; - break; - } - - case value_t::array: - { - if (last_path == "-") - { - // special case: append to back - parent.push_back(val); - } - else - { - const auto idx = json_pointer::array_index(last_path); - if (JSON_HEDLEY_UNLIKELY(idx > parent.size())) - { - // avoid undefined behavior - JSON_THROW(out_of_range::create(401, "array index " + std::to_string(idx) + " is out of range")); - } - - // default case: insert add offset - parent.insert(parent.begin() + static_cast(idx), val); - } - break; - } - - // if there exists a parent it cannot be primitive - default: // LCOV_EXCL_LINE - JSON_ASSERT(false); // LCOV_EXCL_LINE - } - }; - - // wrapper for "remove" operation; remove value at ptr - const auto operation_remove = [&result](json_pointer & ptr) - { - // get reference to parent of JSON pointer ptr - const auto last_path = ptr.back(); - ptr.pop_back(); - basic_json& parent = result.at(ptr); - - // remove child - if (parent.is_object()) - { - // perform range check - auto it = parent.find(last_path); - if (JSON_HEDLEY_LIKELY(it != parent.end())) - { - parent.erase(it); - } - else - { - JSON_THROW(out_of_range::create(403, "key '" + last_path + "' not found")); - } - } - else if (parent.is_array()) - { - // note erase performs range check - parent.erase(json_pointer::array_index(last_path)); - } - }; - - // type check: top level value must be an array - if (JSON_HEDLEY_UNLIKELY(!json_patch.is_array())) - { - JSON_THROW(parse_error::create(104, 0, "JSON patch must be an array of objects")); - } - - // iterate and apply the operations - for (const auto& val : json_patch) - { - // wrapper to get a value for an operation - const auto get_value = [&val](const std::string & op, - const std::string & member, - bool string_type) -> basic_json & - { - // find value - auto it = val.m_value.object->find(member); - - // context-sensitive error message - const auto error_msg = (op == "op") ? "operation" : "operation '" + op + "'"; - - // check if desired value is present - if (JSON_HEDLEY_UNLIKELY(it == val.m_value.object->end())) - { - JSON_THROW(parse_error::create(105, 0, error_msg + " must have member '" + member + "'")); - } - - // check if result is of type string - if (JSON_HEDLEY_UNLIKELY(string_type && !it->second.is_string())) - { - JSON_THROW(parse_error::create(105, 0, error_msg + " must have string member '" + member + "'")); - } - - // no error: return value - return it->second; - }; - - // type check: every element of the array must be an object - if (JSON_HEDLEY_UNLIKELY(!val.is_object())) - { - JSON_THROW(parse_error::create(104, 0, "JSON patch must be an array of objects")); - } - - // collect mandatory members - const auto op = get_value("op", "op", true).template get(); - const auto path = get_value(op, "path", true).template get(); - json_pointer ptr(path); - - switch (get_op(op)) - { - case patch_operations::add: - { - operation_add(ptr, get_value("add", "value", false)); - break; - } - - case patch_operations::remove: - { - operation_remove(ptr); - break; - } - - case patch_operations::replace: - { - // the "path" location must exist - use at() - result.at(ptr) = get_value("replace", "value", false); - break; - } - - case patch_operations::move: - { - const auto from_path = get_value("move", "from", true).template get(); - json_pointer from_ptr(from_path); - - // the "from" location must exist - use at() - basic_json v = result.at(from_ptr); - - // The move operation is functionally identical to a - // "remove" operation on the "from" location, followed - // immediately by an "add" operation at the target - // location with the value that was just removed. - operation_remove(from_ptr); - operation_add(ptr, v); - break; - } - - case patch_operations::copy: - { - const auto from_path = get_value("copy", "from", true).template get(); - const json_pointer from_ptr(from_path); - - // the "from" location must exist - use at() - basic_json v = result.at(from_ptr); - - // The copy is functionally identical to an "add" - // operation at the target location using the value - // specified in the "from" member. - operation_add(ptr, v); - break; - } - - case patch_operations::test: - { - bool success = false; - JSON_TRY - { - // check if "value" matches the one at "path" - // the "path" location must exist - use at() - success = (result.at(ptr) == get_value("test", "value", false)); - } - JSON_INTERNAL_CATCH (out_of_range&) - { - // ignore out of range errors: success remains false - } - - // throw an exception if test fails - if (JSON_HEDLEY_UNLIKELY(!success)) - { - JSON_THROW(other_error::create(501, "unsuccessful: " + val.dump())); - } - - break; - } - - default: - { - // op must be "add", "remove", "replace", "move", "copy", or - // "test" - JSON_THROW(parse_error::create(105, 0, "operation value '" + op + "' is invalid")); - } - } - } - - return result; - } - - /*! - @brief creates a diff as a JSON patch - - Creates a [JSON Patch](http://jsonpatch.com) so that value @a source can - be changed into the value @a target by calling @ref patch function. - - @invariant For two JSON values @a source and @a target, the following code - yields always `true`: - @code {.cpp} - source.patch(diff(source, target)) == target; - @endcode - - @note Currently, only `remove`, `add`, and `replace` operations are - generated. - - @param[in] source JSON value to compare from - @param[in] target JSON value to compare against - @param[in] path helper value to create JSON pointers - - @return a JSON patch to convert the @a source to @a target - - @complexity Linear in the lengths of @a source and @a target. - - @liveexample{The following code shows how a JSON patch is created as a - diff for two JSON values.,diff} - - @sa @ref patch -- apply a JSON patch - @sa @ref merge_patch -- apply a JSON Merge Patch - - @sa [RFC 6902 (JSON Patch)](https://tools.ietf.org/html/rfc6902) - - @since version 2.0.0 - */ - JSON_HEDLEY_WARN_UNUSED_RESULT - static basic_json diff(const basic_json& source, const basic_json& target, - const std::string& path = "") - { - // the patch - basic_json result(value_t::array); - - // if the values are the same, return empty patch - if (source == target) - { - return result; - } - - if (source.type() != target.type()) - { - // different types: replace value - result.push_back( - { - {"op", "replace"}, {"path", path}, {"value", target} - }); - return result; - } - - switch (source.type()) - { - case value_t::array: - { - // first pass: traverse common elements - std::size_t i = 0; - while (i < source.size() && i < target.size()) - { - // recursive call to compare array values at index i - auto temp_diff = diff(source[i], target[i], path + "/" + std::to_string(i)); - result.insert(result.end(), temp_diff.begin(), temp_diff.end()); - ++i; - } - - // i now reached the end of at least one array - // in a second pass, traverse the remaining elements - - // remove my remaining elements - const auto end_index = static_cast(result.size()); - while (i < source.size()) - { - // add operations in reverse order to avoid invalid - // indices - result.insert(result.begin() + end_index, object( - { - {"op", "remove"}, - {"path", path + "/" + std::to_string(i)} - })); - ++i; - } - - // add other remaining elements - while (i < target.size()) - { - result.push_back( - { - {"op", "add"}, - {"path", path + "/-"}, - {"value", target[i]} - }); - ++i; - } - - break; - } - - case value_t::object: - { - // first pass: traverse this object's elements - for (auto it = source.cbegin(); it != source.cend(); ++it) - { - // escape the key name to be used in a JSON patch - const auto key = json_pointer::escape(it.key()); - - if (target.find(it.key()) != target.end()) - { - // recursive call to compare object values at key it - auto temp_diff = diff(it.value(), target[it.key()], path + "/" + key); - result.insert(result.end(), temp_diff.begin(), temp_diff.end()); - } - else - { - // found a key that is not in o -> remove it - result.push_back(object( - { - {"op", "remove"}, {"path", path + "/" + key} - })); - } - } - - // second pass: traverse other object's elements - for (auto it = target.cbegin(); it != target.cend(); ++it) - { - if (source.find(it.key()) == source.end()) - { - // found a key that is not in this -> add it - const auto key = json_pointer::escape(it.key()); - result.push_back( - { - {"op", "add"}, {"path", path + "/" + key}, - {"value", it.value()} - }); - } - } - - break; - } - - default: - { - // both primitive type: replace value - result.push_back( - { - {"op", "replace"}, {"path", path}, {"value", target} - }); - break; - } - } - - return result; - } - - /// @} - - //////////////////////////////// - // JSON Merge Patch functions // - //////////////////////////////// - - /// @name JSON Merge Patch functions - /// @{ - - /*! - @brief applies a JSON Merge Patch - - The merge patch format is primarily intended for use with the HTTP PATCH - method as a means of describing a set of modifications to a target - resource's content. This function applies a merge patch to the current - JSON value. - - The function implements the following algorithm from Section 2 of - [RFC 7396 (JSON Merge Patch)](https://tools.ietf.org/html/rfc7396): - - ``` - define MergePatch(Target, Patch): - if Patch is an Object: - if Target is not an Object: - Target = {} // Ignore the contents and set it to an empty Object - for each Name/Value pair in Patch: - if Value is null: - if Name exists in Target: - remove the Name/Value pair from Target - else: - Target[Name] = MergePatch(Target[Name], Value) - return Target - else: - return Patch - ``` - - Thereby, `Target` is the current object; that is, the patch is applied to - the current value. - - @param[in] apply_patch the patch to apply - - @complexity Linear in the lengths of @a patch. - - @liveexample{The following code shows how a JSON Merge Patch is applied to - a JSON document.,merge_patch} - - @sa @ref patch -- apply a JSON patch - @sa [RFC 7396 (JSON Merge Patch)](https://tools.ietf.org/html/rfc7396) - - @since version 3.0.0 - */ - void merge_patch(const basic_json& apply_patch) - { - if (apply_patch.is_object()) - { - if (!is_object()) - { - *this = object(); - } - for (auto it = apply_patch.begin(); it != apply_patch.end(); ++it) - { - if (it.value().is_null()) - { - erase(it.key()); - } - else - { - operator[](it.key()).merge_patch(it.value()); - } - } - } - else - { - *this = apply_patch; - } - } - - /// @} -}; - -/*! -@brief user-defined to_string function for JSON values - -This function implements a user-defined to_string for JSON objects. - -@param[in] j a JSON object -@return a std::string object -*/ - -NLOHMANN_BASIC_JSON_TPL_DECLARATION -std::string to_string(const NLOHMANN_BASIC_JSON_TPL& j) -{ - return j.dump(); -} -} // namespace nlohmann - -/////////////////////// -// nonmember support // -/////////////////////// - -// specialization of std::swap, and std::hash -namespace std -{ - -/// hash value for JSON objects -template<> -struct hash -{ - /*! - @brief return a hash value for a JSON object - - @since version 1.0.0 - */ - std::size_t operator()(const nlohmann::json& j) const - { - return nlohmann::detail::hash(j); - } -}; - -/// specialization for std::less -/// @note: do not remove the space after '<', -/// see https://github.com/nlohmann/json/pull/679 -template<> -struct less<::nlohmann::detail::value_t> -{ - /*! - @brief compare two value_t enum values - @since version 3.0.0 - */ - bool operator()(nlohmann::detail::value_t lhs, - nlohmann::detail::value_t rhs) const noexcept - { - return nlohmann::detail::operator<(lhs, rhs); - } -}; - -// C++20 prohibit function specialization in the std namespace. -#ifndef JSON_HAS_CPP_20 - -/*! -@brief exchanges the values of two JSON objects - -@since version 1.0.0 -*/ -template<> -inline void swap(nlohmann::json& j1, nlohmann::json& j2) noexcept( - is_nothrow_move_constructible::value&& - is_nothrow_move_assignable::value - ) -{ - j1.swap(j2); -} - -#endif - -} // namespace std - -/*! -@brief user-defined string literal for JSON values - -This operator implements a user-defined string literal for JSON objects. It -can be used by adding `"_json"` to a string literal and returns a JSON object -if no parse error occurred. - -@param[in] s a string representation of a JSON object -@param[in] n the length of string @a s -@return a JSON object - -@since version 1.0.0 -*/ -JSON_HEDLEY_NON_NULL(1) -inline nlohmann::json operator "" _json(const char* s, std::size_t n) -{ - return nlohmann::json::parse(s, s + n); -} - -/*! -@brief user-defined string literal for JSON pointer - -This operator implements a user-defined string literal for JSON Pointers. It -can be used by adding `"_json_pointer"` to a string literal and returns a JSON pointer -object if no parse error occurred. - -@param[in] s a string representation of a JSON Pointer -@param[in] n the length of string @a s -@return a JSON pointer object - -@since version 2.0.0 -*/ -JSON_HEDLEY_NON_NULL(1) -inline nlohmann::json::json_pointer operator "" _json_pointer(const char* s, std::size_t n) -{ - return nlohmann::json::json_pointer(std::string(s, n)); -} - -// #include - - -// restore GCC/clang diagnostic settings -#if defined(__clang__) || defined(__GNUC__) || defined(__GNUG__) - #pragma GCC diagnostic pop -#endif -#if defined(__clang__) - #pragma GCC diagnostic pop -#endif - -// clean up -#undef JSON_ASSERT -#undef JSON_INTERNAL_CATCH -#undef JSON_CATCH -#undef JSON_THROW -#undef JSON_TRY -#undef JSON_HAS_CPP_14 -#undef JSON_HAS_CPP_17 -#undef NLOHMANN_BASIC_JSON_TPL_DECLARATION -#undef NLOHMANN_BASIC_JSON_TPL -#undef JSON_EXPLICIT - -// #include -#undef JSON_HEDLEY_ALWAYS_INLINE -#undef JSON_HEDLEY_ARM_VERSION -#undef JSON_HEDLEY_ARM_VERSION_CHECK -#undef JSON_HEDLEY_ARRAY_PARAM -#undef JSON_HEDLEY_ASSUME -#undef JSON_HEDLEY_BEGIN_C_DECLS -#undef JSON_HEDLEY_CLANG_HAS_ATTRIBUTE -#undef JSON_HEDLEY_CLANG_HAS_BUILTIN -#undef JSON_HEDLEY_CLANG_HAS_CPP_ATTRIBUTE -#undef JSON_HEDLEY_CLANG_HAS_DECLSPEC_DECLSPEC_ATTRIBUTE -#undef JSON_HEDLEY_CLANG_HAS_EXTENSION -#undef JSON_HEDLEY_CLANG_HAS_FEATURE -#undef JSON_HEDLEY_CLANG_HAS_WARNING -#undef JSON_HEDLEY_COMPCERT_VERSION -#undef JSON_HEDLEY_COMPCERT_VERSION_CHECK -#undef JSON_HEDLEY_CONCAT -#undef JSON_HEDLEY_CONCAT3 -#undef JSON_HEDLEY_CONCAT3_EX -#undef JSON_HEDLEY_CONCAT_EX -#undef JSON_HEDLEY_CONST -#undef JSON_HEDLEY_CONSTEXPR -#undef JSON_HEDLEY_CONST_CAST -#undef JSON_HEDLEY_CPP_CAST -#undef JSON_HEDLEY_CRAY_VERSION -#undef JSON_HEDLEY_CRAY_VERSION_CHECK -#undef JSON_HEDLEY_C_DECL -#undef JSON_HEDLEY_DEPRECATED -#undef JSON_HEDLEY_DEPRECATED_FOR -#undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_CAST_QUAL -#undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_ -#undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED -#undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES -#undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS -#undef JSON_HEDLEY_DIAGNOSTIC_POP -#undef JSON_HEDLEY_DIAGNOSTIC_PUSH -#undef JSON_HEDLEY_DMC_VERSION -#undef JSON_HEDLEY_DMC_VERSION_CHECK -#undef JSON_HEDLEY_EMPTY_BASES -#undef JSON_HEDLEY_EMSCRIPTEN_VERSION -#undef JSON_HEDLEY_EMSCRIPTEN_VERSION_CHECK -#undef JSON_HEDLEY_END_C_DECLS -#undef JSON_HEDLEY_FLAGS -#undef JSON_HEDLEY_FLAGS_CAST -#undef JSON_HEDLEY_GCC_HAS_ATTRIBUTE -#undef JSON_HEDLEY_GCC_HAS_BUILTIN -#undef JSON_HEDLEY_GCC_HAS_CPP_ATTRIBUTE -#undef JSON_HEDLEY_GCC_HAS_DECLSPEC_ATTRIBUTE -#undef JSON_HEDLEY_GCC_HAS_EXTENSION -#undef JSON_HEDLEY_GCC_HAS_FEATURE -#undef JSON_HEDLEY_GCC_HAS_WARNING -#undef JSON_HEDLEY_GCC_NOT_CLANG_VERSION_CHECK -#undef JSON_HEDLEY_GCC_VERSION -#undef JSON_HEDLEY_GCC_VERSION_CHECK -#undef JSON_HEDLEY_GNUC_HAS_ATTRIBUTE -#undef JSON_HEDLEY_GNUC_HAS_BUILTIN -#undef JSON_HEDLEY_GNUC_HAS_CPP_ATTRIBUTE -#undef JSON_HEDLEY_GNUC_HAS_DECLSPEC_ATTRIBUTE -#undef JSON_HEDLEY_GNUC_HAS_EXTENSION -#undef JSON_HEDLEY_GNUC_HAS_FEATURE -#undef JSON_HEDLEY_GNUC_HAS_WARNING -#undef JSON_HEDLEY_GNUC_VERSION -#undef JSON_HEDLEY_GNUC_VERSION_CHECK -#undef JSON_HEDLEY_HAS_ATTRIBUTE -#undef JSON_HEDLEY_HAS_BUILTIN -#undef JSON_HEDLEY_HAS_CPP_ATTRIBUTE -#undef JSON_HEDLEY_HAS_CPP_ATTRIBUTE_NS -#undef JSON_HEDLEY_HAS_DECLSPEC_ATTRIBUTE -#undef JSON_HEDLEY_HAS_EXTENSION -#undef JSON_HEDLEY_HAS_FEATURE -#undef JSON_HEDLEY_HAS_WARNING -#undef JSON_HEDLEY_IAR_VERSION -#undef JSON_HEDLEY_IAR_VERSION_CHECK -#undef JSON_HEDLEY_IBM_VERSION -#undef JSON_HEDLEY_IBM_VERSION_CHECK -#undef JSON_HEDLEY_IMPORT -#undef JSON_HEDLEY_INLINE -#undef JSON_HEDLEY_INTEL_VERSION -#undef JSON_HEDLEY_INTEL_VERSION_CHECK -#undef JSON_HEDLEY_IS_CONSTANT -#undef JSON_HEDLEY_IS_CONSTEXPR_ -#undef JSON_HEDLEY_LIKELY -#undef JSON_HEDLEY_MALLOC -#undef JSON_HEDLEY_MESSAGE -#undef JSON_HEDLEY_MSVC_VERSION -#undef JSON_HEDLEY_MSVC_VERSION_CHECK -#undef JSON_HEDLEY_NEVER_INLINE -#undef JSON_HEDLEY_NON_NULL -#undef JSON_HEDLEY_NO_ESCAPE -#undef JSON_HEDLEY_NO_RETURN -#undef JSON_HEDLEY_NO_THROW -#undef JSON_HEDLEY_NULL -#undef JSON_HEDLEY_PELLES_VERSION -#undef JSON_HEDLEY_PELLES_VERSION_CHECK -#undef JSON_HEDLEY_PGI_VERSION -#undef JSON_HEDLEY_PGI_VERSION_CHECK -#undef JSON_HEDLEY_PREDICT -#undef JSON_HEDLEY_PRINTF_FORMAT -#undef JSON_HEDLEY_PRIVATE -#undef JSON_HEDLEY_PUBLIC -#undef JSON_HEDLEY_PURE -#undef JSON_HEDLEY_REINTERPRET_CAST -#undef JSON_HEDLEY_REQUIRE -#undef JSON_HEDLEY_REQUIRE_CONSTEXPR -#undef JSON_HEDLEY_REQUIRE_MSG -#undef JSON_HEDLEY_RESTRICT -#undef JSON_HEDLEY_RETURNS_NON_NULL -#undef JSON_HEDLEY_SENTINEL -#undef JSON_HEDLEY_STATIC_ASSERT -#undef JSON_HEDLEY_STATIC_CAST -#undef JSON_HEDLEY_STRINGIFY -#undef JSON_HEDLEY_STRINGIFY_EX -#undef JSON_HEDLEY_SUNPRO_VERSION -#undef JSON_HEDLEY_SUNPRO_VERSION_CHECK -#undef JSON_HEDLEY_TINYC_VERSION -#undef JSON_HEDLEY_TINYC_VERSION_CHECK -#undef JSON_HEDLEY_TI_ARMCL_VERSION -#undef JSON_HEDLEY_TI_ARMCL_VERSION_CHECK -#undef JSON_HEDLEY_TI_CL2000_VERSION -#undef JSON_HEDLEY_TI_CL2000_VERSION_CHECK -#undef JSON_HEDLEY_TI_CL430_VERSION -#undef JSON_HEDLEY_TI_CL430_VERSION_CHECK -#undef JSON_HEDLEY_TI_CL6X_VERSION -#undef JSON_HEDLEY_TI_CL6X_VERSION_CHECK -#undef JSON_HEDLEY_TI_CL7X_VERSION -#undef JSON_HEDLEY_TI_CL7X_VERSION_CHECK -#undef JSON_HEDLEY_TI_CLPRU_VERSION -#undef JSON_HEDLEY_TI_CLPRU_VERSION_CHECK -#undef JSON_HEDLEY_TI_VERSION -#undef JSON_HEDLEY_TI_VERSION_CHECK -#undef JSON_HEDLEY_UNAVAILABLE -#undef JSON_HEDLEY_UNLIKELY -#undef JSON_HEDLEY_UNPREDICTABLE -#undef JSON_HEDLEY_UNREACHABLE -#undef JSON_HEDLEY_UNREACHABLE_RETURN -#undef JSON_HEDLEY_VERSION -#undef JSON_HEDLEY_VERSION_DECODE_MAJOR -#undef JSON_HEDLEY_VERSION_DECODE_MINOR -#undef JSON_HEDLEY_VERSION_DECODE_REVISION -#undef JSON_HEDLEY_VERSION_ENCODE -#undef JSON_HEDLEY_WARNING -#undef JSON_HEDLEY_WARN_UNUSED_RESULT -#undef JSON_HEDLEY_WARN_UNUSED_RESULT_MSG -#undef JSON_HEDLEY_FALL_THROUGH - - - -#endif // INCLUDE_NLOHMANN_JSON_HPP_ diff --git a/include/ion-bb-dnn/sole.hpp b/include/ion-bb-dnn/sole.hpp deleted file mode 100644 index c1d6646a..00000000 --- a/include/ion-bb-dnn/sole.hpp +++ /dev/null @@ -1,903 +0,0 @@ -/* Sole is a lightweight C++11 library to generate universally unique identificators. - * Sole provides interface for UUID versions 0, 1 and 4. - - * https://github.com/r-lyeh/sole - * Copyright (c) 2013,2014,2015 r-lyeh. zlib/libpng licensed. - - * Based on code by Dmitri Bouianov, Philip O'Toole, Poco C++ libraries and anonymous - * code found on the net. Thanks guys! - - * Theory: (see Hoylen's answer at [1]) - * - UUID version 1 (48-bit MAC address + 60-bit clock with a resolution of 100ns) - * Clock wraps in 3603 A.D. - * Up to 10000000 UUIDs per second. - * MAC address revealed. - * - * - UUID Version 4 (122-bits of randomness) - * See [2] or other analysis that describe how very unlikely a duplicate is. - * - * - Use v1 if you need to sort or classify UUIDs per machine. - * Use v1 if you are worried about leaving it up to probabilities (e.g. your are the - * type of person worried about the earth getting destroyed by a large asteroid in your - * lifetime). Just use a v1 and it is guaranteed to be unique till 3603 AD. - * - * - Use v4 if you are worried about security issues and determinism. That is because - * v1 UUIDs reveal the MAC address of the machine it was generated on and they can be - * predictable. Use v4 if you need more than 10 million uuids per second, or if your - * application wants to live past 3603 A.D. - - * Additionally a custom UUID v0 is provided: - * - 16-bit PID + 48-bit MAC address + 60-bit clock with a resolution of 100ns since Unix epoch - * - Format is EPOCH_LOW-EPOCH_MID-VERSION(0)|EPOCH_HI-PID-MAC - * - Clock wraps in 3991 A.D. - * - Up to 10000000 UUIDs per second. - * - MAC address and PID revealed. - - * References: - * - [1] http://stackoverflow.com/questions/1155008/how-unique-is-uuid - * - [2] http://en.wikipedia.org/wiki/UUID#Random%5FUUID%5Fprobability%5Fof%5Fduplicates - * - http://en.wikipedia.org/wiki/Universally_unique_identifier - * - http://en.cppreference.com/w/cpp/numeric/random/random_device - * - http://www.itu.int/ITU-T/asn1/uuid.html f81d4fae-7dec-11d0-a765-00a0c91e6bf6 - - * - rlyeh ~~ listening to Hedon Cries / Until The Sun Goes up - */ - -////////////////////////////////////////////////////////////////////////////////////// -#ifndef SOLE_H -#define SOLE_H -// #pragma once -#include -#include // for size_t; should be stddef.h instead; however, clang+archlinux fails when compiling it (@Travis-Ci) -#include // for uint32_t; should be stdint.h instead; however, GCC 5 on OSX fails when compiling it (See issue #11) -#include -#include - -// public API - -#define SOLE_VERSION "1.0.1" /* (2017/05/16): Improve UUID4 and base62 performance; fix warnings -#define SOLE_VERSION "1.0.0" // (2016/02/03): Initial semver adherence; Switch to header-only; Remove warnings */ - -namespace sole -{ - // 128-bit basic UUID type that allows comparison and sorting. - // Use .str() for printing and .pretty() for pretty printing. - // Also, ostream friendly. - struct uuid - { - uint64_t ab; - uint64_t cd; - - bool operator==( const uuid &other ) const; - bool operator!=( const uuid &other ) const; - bool operator <( const uuid &other ) const; - - std::string pretty() const; - std::string base62() const; - std::string str() const; - - template - inline friend ostream &operator<<( ostream &os, const uuid &self ) { - return os << self.str(), os; - } - }; - - // Generators - uuid uuid0(); // UUID v0, pro: unique; cons: MAC revealed, pid revealed, predictable. - uuid uuid1(); // UUID v1, pro: unique; cons: MAC revealed, predictable. - uuid uuid4(); // UUID v4, pros: anonymous, fast; con: uuids "can clash" - - // Rebuilders - uuid rebuild( uint64_t ab, uint64_t cd ); - uuid rebuild( const std::string &uustr ); -} - -#ifdef _MSC_VER -#pragma warning(push) -#pragma warning(disable:4127) -#endif - -namespace std { - template<> - struct hash< sole::uuid > { - public: - // hash functor: hash uuid to size_t value by pseudorandomizing transform - size_t operator()( const sole::uuid &uuid ) const { - if( sizeof(size_t) > 4 ) { - return size_t( uuid.ab ^ uuid.cd ); - } else { - uint64_t hash64 = uuid.ab ^ uuid.cd; - return size_t( uint32_t( hash64 >> 32 ) ^ uint32_t( hash64 ) ); - } - } - }; -} - -#ifdef _MSC_VER -#pragma warning(pop) -#endif - -// implementation - -#include -#include -#include -#include - -#include -#include - -#include -#include -#include -#include -#include - -#if defined(_WIN32) -# include -# include -# include -# ifdef _MSC_VER -# pragma comment(lib,"iphlpapi.lib") -# endif -# define $windows $yes -#elif defined(__FreeBSD__) || defined(__NetBSD__) || \ - defined(__OpenBSD__) || defined(__MINT__) || defined(__bsdi__) -# include -# include -# include -# include -# include -# include -# define $bsd $yes -#elif (defined(__APPLE__) && defined(__MACH__)) -# include -# include -# include -# include -# include -# include -# pragma clang diagnostic push -# pragma clang diagnostic ignored "-Wdollar-in-identifier-extension" -# define $osx $yes -#elif defined(__linux__) -# include -# include -# include -# include -# include -# include -# include -# define $linux $yes -#else //elif defined(__unix__) -# if defined(__VMS) -# include -# include -# else -# include -# include -# endif -# if defined(sun) || defined(__sun) -# include -# endif -# include -# include -# include -# include -# include -# include -# include -# include -# define $unix $yes -#endif - -#ifdef _MSC_VER -# define $msvc $yes -#endif - -#if defined(__GNUC__) && (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 < 50100) - namespace std - { - static inline std::string put_time( const std::tm* tmb, const char* fmt ) { - std::string s( 128, '\0' ); - while( !strftime( &s[0], s.size(), fmt, tmb ) ) - s.resize( s.size() + 128 ); - return s; - } - } -#endif - -//////////////////////////////////////////////////////////////////////////////////// - -#ifdef $windows -#define $welse $no -#else -#define $windows $no -#define $welse $yes -#endif - -#ifdef $bsd -#define $belse $no -#else -#define $bsd $no -#define $belse $yes -#endif - -#ifdef $linux -#define $lelse $no -#else -#define $linux $no -#define $lelse $yes -#endif - -#ifdef $unix -#define $uelse $no -#else -#define $unix $no -#define $uelse $yes -#endif - -#ifdef $osx -#define $oelse $no -#else -#define $osx $no -#define $oelse $yes -#endif - -#ifdef $msvc -#define $melse $no -#else -#define $msvc $no -#define $melse $yes -#endif - -#define $yes(...) __VA_ARGS__ -#define $no(...) - -inline bool sole::uuid::operator==( const sole::uuid &other ) const { - return ab == other.ab && cd == other.cd; -} -inline bool sole::uuid::operator!=( const sole::uuid &other ) const { - return !operator==(other); -} -inline bool sole::uuid::operator<( const sole::uuid &other ) const { - if( ab < other.ab ) return true; - if( ab > other.ab ) return false; - if( cd < other.cd ) return true; - return false; -} - -namespace sole { - - inline std::string printftime( uint64_t timestamp_secs = 0, const std::string &locale = std::string() ) { - std::string timef; - try { - // Taken from parameter - //std::string locale; // = "es-ES", "Chinese_China.936", "en_US.UTF8", etc... - std::time_t t = timestamp_secs; - std::tm tm; - $msvc( - localtime_s( &tm, &t ); - ) - $melse( - $windows(tm = *localtime( &t ); ) - $welse( localtime_r(&t, &tm); ) - ) - - std::stringstream ss; - $melse( - std::locale lc( locale.c_str() ); - ss.imbue( lc ); - ) - ss << std::put_time( &tm, "\"%c\"" ); - - timef = ss.str(); - } - catch(...) { - timef = "\"\""; - } - return timef; - } - - inline std::string uuid::pretty() const { - std::stringstream ss; - - uint64_t a = (ab >> 32); - uint64_t b = (ab & 0xFFFFFFFF); - uint64_t c = (cd >> 32); - uint64_t d = (cd & 0xFFFFFFFF); - - int version = (b & 0xF000) >> 12; - uint64_t timestamp = ((b & 0x0FFF) << 48 ) | (( b >> 16 ) << 32) | a; // in 100ns units - - ss << "version=" << (version) << ','; - - if( version == 1 ) - timestamp = timestamp - 0x01b21dd213814000ULL; // decrement Gregorian calendar - - ss << std::hex << std::nouppercase << std::setfill('0'); - version <= 1 && ss << "timestamp=" << printftime(timestamp/10000000) << ','; - version <= 1 && ss << "mac=" << std::setw(4) << (c & 0xFFFF) << std::setw(8) << d << ','; - version == 4 && ss << "randbits=" << std::setw(8) << (ab & 0xFFFFFFFFFFFF0FFFULL) << std::setw(8) << (cd & 0x3FFFFFFFFFFFFFFFULL) << ','; - - ss << std::dec; - version == 0 && ss << "pid=" << std::setw(4) << (c >> 16 ) << ','; - version == 1 && ss << "clock_seq=" << std::setw(4) << ((c >> 16) & 0x3FFF) << ','; - - return ss.str(); - } - - inline std::string uuid::str() const { - std::stringstream ss; - ss << std::hex << std::nouppercase << std::setfill('0'); - - uint32_t a = (ab >> 32); - uint32_t b = (ab & 0xFFFFFFFF); - uint32_t c = (cd >> 32); - uint32_t d = (cd & 0xFFFFFFFF); - - ss << std::setw(8) << (a) << '-'; - ss << std::setw(4) << (b >> 16) << '-'; - ss << std::setw(4) << (b & 0xFFFF) << '-'; - ss << std::setw(4) << (c >> 16 ) << '-'; - ss << std::setw(4) << (c & 0xFFFF); - ss << std::setw(8) << d; - - return ss.str(); - } - - inline std::string uuid::base62() const { - int base62len = 10 + 26 + 26; - const char base62[] = - "0123456789" - "ABCDEFGHIJKLMNOPQRSTUVWXYZ" - "abcdefghijklmnopqrstuvwxyz"; - char res[24], *end = &res[24]; *(--end) = '\0'; - uint64_t rem, AB = ab, CD = cd; - do { - rem = CD % base62len; - *--end = base62[int(rem)]; - CD /= base62len; - } while (CD > 0); - *--end = '-'; - do { - rem = AB % base62len; - *--end = base62[int(rem)]; - AB /= base62len; - } while (AB > 0); - return end; - } - - ////////////////////////////////////////////////////////////////////////////////////// - // multiplatform clock_gettime() - - $windows( - struct timespec { - uint64_t tv_sec; - uint64_t tv_nsec; - }; - struct timezone { - int tz_minuteswest; /* minutes W of Greenwich */ - int tz_dsttime; /* type of dst correction */ - }; - inline int gettimeofday( struct timeval *tv, struct timezone *tz ) { - FILETIME ft; - uint64_t tmpres = 0; - - if( NULL != tv ) { - GetSystemTimeAsFileTime(&ft); - - // The GetSystemTimeAsFileTime returns the number of 100 nanosecond - // intervals since Jan 1, 1601 in a structure. Copy the high bits to - // the 64 bit tmpres, shift it left by 32 then or in the low 32 bits. - tmpres |= ft.dwHighDateTime; - tmpres <<= 32; - tmpres |= ft.dwLowDateTime; - - // Convert to microseconds by dividing by 10 - tmpres /= 10; - - // The Unix epoch starts on Jan 1 1970. Need to subtract the difference - // in seconds from Jan 1 1601. - tmpres -= 11644473600000000ULL; - - // Finally change microseconds to seconds and place in the seconds value. - // The modulus picks up the microseconds. - tv->tv_sec = static_cast(tmpres / 1000000UL); - tv->tv_usec = (tmpres % 1000000UL); - } - - if( NULL != tz ) { - static bool once = true; - if( once ) { - once = false; - _tzset(); - } - - long timezoneSecs = 0; - int daylight = 0; - - $msvc( - _get_timezone(&timezoneSecs); - _get_daylight(&daylight); - ) - $melse( - timezoneSecs = _timezone; - daylight = _daylight; - ) - - tz->tz_minuteswest = timezoneSecs / 60; - tz->tz_dsttime = daylight; - } - - return 0; - } - ) - $lelse( $belse( // if not linux, if not bsd... valid for apple/win32 - inline int clock_gettime( int /*clk_id*/, struct timespec* t ) { - struct timeval now; - int rv = gettimeofday(&now, NULL); - if( rv ) return rv; - t->tv_sec = now.tv_sec; - t->tv_nsec = now.tv_usec * 1000; - return 0; - } - )) - - ////////////////////////////////////////////////////////////////////////////////////// - // Timestamp and MAC interfaces - - // Returns number of 100ns intervals - inline uint64_t get_time( uint64_t offset ) { - struct timespec tp; - clock_gettime(0 /*CLOCK_REALTIME*/, &tp); - - // Convert to 100-nanosecond intervals - uint64_t uuid_time; - uuid_time = tp.tv_sec * 10000000; - uuid_time = uuid_time + (tp.tv_nsec / 100); - - // If the clock looks like it went backwards, or is the same, increment it. - static $msvc( __declspec(thread)) $melse( __thread ) uint64_t last_uuid_time = 0; - if( last_uuid_time >= uuid_time ) - uuid_time = ++last_uuid_time; - else - last_uuid_time = uuid_time; - - uuid_time = uuid_time + offset; - - return uuid_time; - } - - // Looks for first MAC address of any network device, any size. - inline bool get_any_mac( std::vector &_node ) { - $windows({ - PIP_ADAPTER_INFO pAdapterInfo; - PIP_ADAPTER_INFO pAdapter = 0; - ULONG len = sizeof(IP_ADAPTER_INFO); - pAdapterInfo = reinterpret_cast(new char[len]); - - // Make an initial call to GetAdaptersInfo to get - // the necessary size into len - DWORD rc = GetAdaptersInfo(pAdapterInfo, &len); - if (rc == ERROR_BUFFER_OVERFLOW) - { - delete [] reinterpret_cast(pAdapterInfo); - pAdapterInfo = reinterpret_cast(new char[len]); - } - else if (rc != ERROR_SUCCESS) - { - return $no("cannot get network adapter list") false; - } - - bool found = false, gotten = false; - if (GetAdaptersInfo(pAdapterInfo, &len) == NO_ERROR) - { - gotten = true; - - pAdapter = pAdapterInfo; - while (pAdapter && !found) - { - if (pAdapter->Type == MIB_IF_TYPE_ETHERNET && pAdapter->AddressLength > 0 ) - { - _node.resize( pAdapter->AddressLength ); - std::memcpy(_node.data(), pAdapter->Address, _node.size() ); - found = true; - } - pAdapter = pAdapter->Next; - } - } - - delete [] reinterpret_cast(pAdapterInfo); - - if( !gotten ) - return $no("cannot get network adapter list") false; - - if (!found) - return $no("no Ethernet adapter found") false; - - return true; - }) - - $bsd({ - struct ifaddrs* ifaphead; - int rc = getifaddrs(&ifaphead); - if (rc) return $no("cannot get network adapter list") false; - - bool foundAdapter = false; - for (struct ifaddrs* ifap = ifaphead; ifap; ifap = ifap->ifa_next) - { - if (ifap->ifa_addr && ifap->ifa_addr->sa_family == AF_LINK) - { - struct sockaddr_dl* sdl = reinterpret_cast(ifap->ifa_addr); - caddr_t ap = (caddr_t) (sdl->sdl_data + sdl->sdl_nlen); - int alen = sdl->sdl_alen; - if (ap && alen > 0) - { - _node.resize( alen ); - std::memcpy(_node.data(), ap, _node.size() ); - foundAdapter = true; - break; - } - } - } - freeifaddrs(ifaphead); - if (!foundAdapter) return $no("cannot determine MAC address (no suitable network adapter found)") false; - return true; - }) - - $osx({ - struct ifaddrs* ifaphead; - int rc = getifaddrs(&ifaphead); - if (rc) return $no("cannot get network adapter list") false; - - bool foundAdapter = false; - for (struct ifaddrs* ifap = ifaphead; ifap; ifap = ifap->ifa_next) - { - if (ifap->ifa_addr && ifap->ifa_addr->sa_family == AF_LINK) - { - struct sockaddr_dl* sdl = reinterpret_cast(ifap->ifa_addr); - caddr_t ap = (caddr_t) (sdl->sdl_data + sdl->sdl_nlen); - int alen = sdl->sdl_alen; - if (ap && alen > 0) - { - _node.resize( alen ); - std::memcpy(_node.data(), ap, _node.size() ); - foundAdapter = true; - break; - } - } - } - freeifaddrs(ifaphead); - if (!foundAdapter) return $no("cannot determine MAC address (no suitable network adapter found)") false; - return true; - }) - - $linux({ - struct ifreq ifr; - - int s = socket(PF_INET, SOCK_DGRAM, 0); - if (s == -1) return $no("cannot open socket") false; - - std::strcpy(ifr.ifr_name, "eth0"); - int rc = ioctl(s, SIOCGIFHWADDR, &ifr); - close(s); - if (rc < 0) return $no("cannot get MAC address") false; - struct sockaddr* sa = reinterpret_cast(&ifr.ifr_addr); - _node.resize( sizeof(sa->sa_data) ); - std::memcpy(_node.data(), sa->sa_data, _node.size() ); - return true; - }) - - $unix({ - char name[HOST_NAME_MAX]; - if (gethostname(name, sizeof(name))) - return $no("cannot get host name") false; - - struct hostent* pHost = gethostbyname(name); - if (!pHost) return $no("cannot get host IP address") false; - - int s = socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP); - if (s == -1) return $no("cannot open socket") false; - - struct arpreq ar; - std::memset(&ar, 0, sizeof(ar)); - struct sockaddr_in* pAddr = reinterpret_cast(&ar.arp_pa); - pAddr->sin_family = AF_INET; - std::memcpy(&pAddr->sin_addr, *pHost->h_addr_list, sizeof(struct in_addr)); - int rc = ioctl(s, SIOCGARP, &ar); - close(s); - if (rc < 0) return $no("cannot get MAC address") false; - _node.resize( sizeof(ar.arp_ha.sa_data) ); - std::memcpy(_node.data(), ar.arp_ha.sa_data, _node.size()); - return true; - }) - } - - // Looks for first MAC address of any network device, size truncated to 48bits. - inline uint64_t get_any_mac48() { - std::vector node; - if( get_any_mac(node) ) { - std::stringstream ss; - ss << std::hex << std::setfill('0'); - node.resize(6); - for( unsigned i = 0; i < 6; ++i ) - ss << std::setw(2) << int(node[i]); - uint64_t t; - if( ss >> t ) - return t; - } - return 0; - } - - ////////////////////////////////////////////////////////////////////////////////////// - // UUID implementations - - inline uuid uuid4() { - static std::random_device rd; - static std::uniform_int_distribution dist(0, (uint64_t)(~0)); - - uuid my; - - my.ab = dist(rd); - my.cd = dist(rd); - - my.ab = (my.ab & 0xFFFFFFFFFFFF0FFFULL) | 0x0000000000004000ULL; - my.cd = (my.cd & 0x3FFFFFFFFFFFFFFFULL) | 0x8000000000000000ULL; - - return my; - } - - inline uuid uuid1() { - // Number of 100-ns intervals since 00:00:00.00 15 October 1582; [ref] uuid.py - uint64_t ns100_intervals = get_time( 0x01b21dd213814000ULL ); - uint16_t clock_seq = (uint16_t)( ns100_intervals & 0x3fff ); // 14-bits max - uint64_t mac = get_any_mac48(); // 48-bits max - - uint32_t time_low = ns100_intervals & 0xffffffff; - uint16_t time_mid = (ns100_intervals >> 32) & 0xffff; - uint16_t time_hi_version = (ns100_intervals >> 48) & 0xfff; - uint8_t clock_seq_low = clock_seq & 0xff; - uint8_t clock_seq_hi_variant = (clock_seq >> 8) & 0x3f; - - uuid u; - uint64_t &upper_ = u.ab; - uint64_t &lower_ = u.cd; - - // Build the high 32 bytes - upper_ = (uint64_t) time_low << 32; - upper_ |= (uint64_t) time_mid << 16; - upper_ |= (uint64_t) time_hi_version; - - // Build the low 32 bytes, using the clock sequence number - lower_ = (uint64_t) ((clock_seq_hi_variant << 8) | clock_seq_low) << 48; - lower_ |= mac; - - // Set the variant to RFC 4122. - lower_ &= ~((uint64_t)0xc000 << 48); - lower_ |= (uint64_t)0x8000 << 48; - - // Set the version number. - enum { version = 1 }; - upper_ &= ~0xf000; - upper_ |= version << 12; - - return u; - } - - inline uuid uuid0() { - // Number of 100-ns intervals since Unix epoch time - uint64_t ns100_intervals = get_time( 0 ); - uint64_t pid = $windows( _getpid() ) $welse( getpid() ); - uint16_t pid16 = (uint16_t)( pid & 0xffff ); // 16-bits max - uint64_t mac = get_any_mac48(); // 48-bits max - - uint32_t time_low = ns100_intervals & 0xffffffff; - uint16_t time_mid = (ns100_intervals >> 32) & 0xffff; - uint16_t time_hi_version = (ns100_intervals >> 48) & 0xfff; - uint8_t pid_low = pid16 & 0xff; - uint8_t pid_hi = (pid16 >> 8) & 0xff; - - uuid u; - uint64_t &upper_ = u.ab; - uint64_t &lower_ = u.cd; - - // Build the high 32 bytes. - upper_ = (uint64_t) time_low << 32; - upper_ |= (uint64_t) time_mid << 16; - upper_ |= (uint64_t) time_hi_version; - - // Build the low 32 bytes, using the mac and pid number. - lower_ = (uint64_t) ((pid_hi << 8) | pid_low) << 48; - lower_ |= mac; - - // Set the version number. - enum { version = 0 }; - upper_ &= ~0xf000; - upper_ |= version << 12; - - return u; - } - - inline uuid rebuild( uint64_t ab, uint64_t cd ) { - uuid u; - u.ab = ab; u.cd = cd; - return u; - } - - inline uuid rebuild( const std::string &uustr ) { - char sep; - uint64_t a,b,c,d,e; - uuid u = { 0, 0 }; - auto idx = uustr.find_first_of("-"); - if( idx != std::string::npos ) { - // single separator, base62 notation - if( uustr.find_first_of("-",idx+1) == std::string::npos ) { - auto rebase62 = [&]( const char *input, size_t limit ) -> uint64_t { - int base62len = 10 + 26 + 26; - auto strpos = []( char ch ) -> size_t { - if( ch >= 'a' ) return ch - 'a' + 10 + 26; - if( ch >= 'A' ) return ch - 'A' + 10; - return ch - '0'; - }; - uint64_t res = strpos( input[0] ); - for( size_t i = 1; i < limit; ++i ) - res = base62len * res + strpos( input[i] ); - return res; - }; - u.ab = rebase62( &uustr[0], idx ); - u.cd = rebase62( &uustr[idx+1], uustr.size() - (idx+1) ); - } - // else classic hex notation - else { - std::stringstream ss( uustr ); - if( ss >> std::hex >> a >> sep >> b >> sep >> c >> sep >> d >> sep >> e ) { - if( ss.eof() ) { - u.ab = (a << 32) | (b << 16) | c; - u.cd = (d << 48) | e; - } - } - } - } - return u; - } - -} // ::sole - -#undef $bsd -#undef $belse -#undef $linux -#undef $lelse -#undef $osx -#undef $oelse -#undef $unix -#undef $uelse -#undef $windows -#undef $welse -#undef $yes -#undef $no - -// Pop disabled warnings -#if (defined(__APPLE__) && defined(__MACH__)) -#pragma clang diagnostic pop -#endif - -#ifdef SOLE_BUILD_DEMO -// g++ users: `g++ demo.cc -std=c++11 -lrt -o sample` -// visual studio: `cl.exe demo.cc sole.cpp` - -#include - -int main() { - sole::uuid u0 = sole::uuid0(), u1 = sole::uuid1(), u4 = sole::uuid4(); - - std::cout << "uuid v0 string : " << u0 << std::endl; - std::cout << "uuid v0 base62 : " << u0.base62() << std::endl; - std::cout << "uuid v0 pretty : " << u0.pretty() << std::endl << std::endl; - - std::cout << "uuid v1 string : " << u1 << std::endl; - std::cout << "uuid v1 base62 : " << u1.base62() << std::endl; - std::cout << "uuid v1 pretty : " << u1.pretty() << std::endl << std::endl; - - std::cout << "uuid v4 string : " << u4 << std::endl; - std::cout << "uuid v4 base62 : " << u4.base62() << std::endl; - std::cout << "uuid v4 pretty : " << u4.pretty() << std::endl << std::endl; - - u1 = sole::rebuild("F81D4FAE-7DEC-11D0-A765-00A0C91E6BF6"); - u4 = sole::rebuild("GITheR4tLlg-BagIW20DGja"); - - std::cout << "uuid v1 rebuilt : " << u1 << " -> " << u1.pretty() << std::endl; - std::cout << "uuid v4 rebuilt : " << u4 << " -> " << u4.pretty() << std::endl; -} - -#endif - -#ifdef SOLE_BUILD_TESTS -// g++ users: `g++ sole.cxx -std=c++11 -lrt -o tests` -// visual studio: `cl.exe sole.cxx` - -#include -#include -#include -#include -#include - -using namespace sole; - -namespace run -{ - auto epoch = [](){ - return std::chrono::system_clock::to_time_t( std::chrono::system_clock::now() ); - }; - - template - void benchmark( const FN &fn, const std::string &name ) { - std::cout << "Benchmarking " << name << "... " << std::flush; - - auto then = epoch(); - - while( epoch() == then ); - then = epoch(); - - unsigned c = 0; - while( epoch() == then ) c = ( fn(), ++c ); - - std::cout << (c) << " uuids/sec" << std::endl; - } - - template - void tests( const FN &fn ) { - unsigned numtests = ~0; - std::cout << "Testing for " << numtests << " collisions... " << std::endl; - - auto then = epoch(); - - std::set all; - for( unsigned i = 0; i < numtests; ++i ) { - auto now = epoch(); - if( now != then ) { - then = now; - double pct6digs = ( int( ( double(i) / (unsigned)(~0) ) * 1e4 ) / double(1e4) ); - std::cout << '\r' << i << " uuids generated, no collision (" << pct6digs << "%)" << std::flush; - } - sole::uuid my_uuid = fn(); - assert( all.find(my_uuid) == all.end() && "error: UUIDs just collided! is std::random_device a real random generator?" ); - all.insert( my_uuid ); - } - } - - template - void verify( const FN &fn ) { - std::cout << "Verifying serialization of 1 million UUIDs... " << std::flush; - - for( unsigned i = 0; i < 1000000; ++i ) { - sole::uuid uuid = fn(); - sole::uuid rebuilt1 = sole::rebuild( uuid.str() ); - sole::uuid rebuilt2 = sole::rebuild( uuid.base62() ); - assert( rebuilt1 == uuid && "error: rebuild() or .str() failed" ); - assert( rebuilt2 == uuid && "error: rebuild() or .base62() failed" ); - } - - std::cout << "ok" << std::endl; - } -} - -int main() { - assert( sizeof(sole::uuid ) * 8 == 128 ); - assert( sizeof(sole::uuid0().ab) * 8 == 64 ); - assert( sizeof(sole::uuid0().cd) * 8 == 64 ); - - run::benchmark(uuid0, "v0"); - run::benchmark(uuid1, "v1"); - run::benchmark(uuid4, "v4"); - - run::verify(uuid4); // use fastest implementation - -// run::tests(uuid0); // not applicable -// run::tests(uuid1); // not applicable - run::tests(uuid4); -} - -#endif - -#endif // SOLE_H diff --git a/include/ion-bb-image-io/ghc/filesystem.hpp b/include/ion-bb-image-io/ghc/filesystem.hpp deleted file mode 100644 index 0705cf7f..00000000 --- a/include/ion-bb-image-io/ghc/filesystem.hpp +++ /dev/null @@ -1,5944 +0,0 @@ -//--------------------------------------------------------------------------------------- -// -// ghc::filesystem - A C++17-like filesystem implementation for C++11/C++14/C++17/C++20 -// -//--------------------------------------------------------------------------------------- -// -// Copyright (c) 2018, Steffen Schümann -// -// Permission is hereby granted, free of charge, to any person obtaining a copy -// of this software and associated documentation files (the "Software"), to deal -// in the Software without restriction, including without limitation the rights -// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -// copies of the Software, and to permit persons to whom the Software is -// furnished to do so, subject to the following conditions: -// -// The above copyright notice and this permission notice shall be included in all -// copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -// SOFTWARE. -// -//--------------------------------------------------------------------------------------- -// -// To dynamically select std::filesystem where available on most platforms, -// you could use: -// -// #if ((defined(_MSVC_LANG) && _MSVC_LANG >= 201703L) || (defined(__cplusplus) && __cplusplus >= 201703L)) && defined(__has_include) -// #if __has_include() && (!defined(__MAC_OS_X_VERSION_MIN_REQUIRED) || __MAC_OS_X_VERSION_MIN_REQUIRED >= 101500) -// #define GHC_USE_STD_FS -// #include -// namespace fs = std::filesystem; -// #endif -// #endif -// #ifndef GHC_USE_STD_FS -// #include -// namespace fs = ghc::filesystem; -// #endif -// -//--------------------------------------------------------------------------------------- -#ifndef GHC_FILESYSTEM_H -#define GHC_FILESYSTEM_H - -// #define BSD manifest constant only in -// sys/param.h -#ifndef _WIN32 -#include -#endif - -#ifndef GHC_OS_DETECTED -#if defined(__APPLE__) && defined(__MACH__) -#define GHC_OS_MACOS -#elif defined(__linux__) -#define GHC_OS_LINUX -#if defined(__ANDROID__) -#define GHC_OS_ANDROID -#endif -#elif defined(_WIN64) -#define GHC_OS_WINDOWS -#define GHC_OS_WIN64 -#elif defined(_WIN32) -#define GHC_OS_WINDOWS -#define GHC_OS_WIN32 -#elif defined(__CYGWIN__) -#define GHC_OS_CYGWIN -#elif defined(__svr4__) -#define GHC_OS_SYS5R4 -#elif defined(BSD) -#define GHC_OS_BSD -#elif defined(__EMSCRIPTEN__) -#define GHC_OS_WEB -#include -#elif defined(__QNX__) -#define GHC_OS_QNX -#define GHC_NO_DIRENT_D_TYPE -#else -#error "Operating system currently not supported!" -#endif -#define GHC_OS_DETECTED -#if (defined(_MSVC_LANG) && _MSVC_LANG >= 201703L) -#if _MSVC_LANG == 201703L -#define GHC_FILESYSTEM_RUNNING_CPP17 -#else -#define GHC_FILESYSTEM_RUNNING_CPP20 -#endif -#elif (defined(__cplusplus) && __cplusplus >= 201703L) -#if __cplusplus == 201703L -#define GHC_FILESYSTEM_RUNNING_CPP17 -#else -#define GHC_FILESYSTEM_RUNNING_CPP20 -#endif -#endif -#endif - -#if defined(GHC_FILESYSTEM_IMPLEMENTATION) -#define GHC_EXPAND_IMPL -#define GHC_INLINE -#ifdef GHC_OS_WINDOWS -#ifndef GHC_FS_API -#define GHC_FS_API -#endif -#ifndef GHC_FS_API_CLASS -#define GHC_FS_API_CLASS -#endif -#else -#ifndef GHC_FS_API -#define GHC_FS_API __attribute__((visibility("default"))) -#endif -#ifndef GHC_FS_API_CLASS -#define GHC_FS_API_CLASS __attribute__((visibility("default"))) -#endif -#endif -#elif defined(GHC_FILESYSTEM_FWD) -#define GHC_INLINE -#ifdef GHC_OS_WINDOWS -#ifndef GHC_FS_API -#define GHC_FS_API extern -#endif -#ifndef GHC_FS_API_CLASS -#define GHC_FS_API_CLASS -#endif -#else -#ifndef GHC_FS_API -#define GHC_FS_API extern -#endif -#ifndef GHC_FS_API_CLASS -#define GHC_FS_API_CLASS -#endif -#endif -#else -#define GHC_EXPAND_IMPL -#define GHC_INLINE inline -#ifndef GHC_FS_API -#define GHC_FS_API -#endif -#ifndef GHC_FS_API_CLASS -#define GHC_FS_API_CLASS -#endif -#endif - -#ifdef GHC_EXPAND_IMPL - -#ifdef GHC_OS_WINDOWS -#include -// additional includes -#include -#include -#include -#include -#include -#else -#include -#include -#include -#include -#include -#include -#include -#include -#ifdef GHC_OS_ANDROID -#include -#if __ANDROID_API__ < 12 -#include -#endif -#include -#define statvfs statfs -#else -#include -#endif -#ifdef GHC_OS_CYGWIN -#include -#endif -#if !defined(__ANDROID__) || __ANDROID_API__ >= 26 -#include -#endif -#endif -#ifdef GHC_OS_MACOS -#include -#endif - -#if defined(__cpp_impl_three_way_comparison) && defined(__has_include) -#if __has_include() -#define GHC_HAS_THREEWAY_COMP -#include -#endif -#endif - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#else // GHC_EXPAND_IMPL - -#if defined(__cpp_impl_three_way_comparison) && defined(__has_include) -#if __has_include() -#define GHC_HAS_THREEWAY_COMP -#include -#endif -#endif -#include -#include -#include -#include -#include -#include -#include -#ifdef GHC_OS_WINDOWS -#include -#endif -#endif // GHC_EXPAND_IMPL - -// After standard library includes. -// Standard library support for std::string_view. -#if defined(__cpp_lib_string_view) -#define GHC_HAS_STD_STRING_VIEW -#elif defined(_LIBCPP_VERSION) && (_LIBCPP_VERSION >= 4000) && (__cplusplus >= 201402) -#define GHC_HAS_STD_STRING_VIEW -#elif defined(_GLIBCXX_RELEASE) && (_GLIBCXX_RELEASE >= 7) && (__cplusplus >= 201703) -#define GHC_HAS_STD_STRING_VIEW -#elif defined(_MSC_VER) && (_MSC_VER >= 1910 && _MSVC_LANG >= 201703) -#define GHC_HAS_STD_STRING_VIEW -#endif - -// Standard library support for std::experimental::string_view. -#if defined(_LIBCPP_VERSION) && (_LIBCPP_VERSION >= 3700 && _LIBCPP_VERSION < 7000) && (__cplusplus >= 201402) -#define GHC_HAS_STD_EXPERIMENTAL_STRING_VIEW -#elif defined(__GNUC__) && (((__GNUC__ == 4) && (__GNUC_MINOR__ >= 9)) || (__GNUC__ > 4)) && (__cplusplus >= 201402) -#define GHC_HAS_STD_EXPERIMENTAL_STRING_VIEW -#elif defined(__GLIBCXX__) && defined(_GLIBCXX_USE_DUAL_ABI) && (__cplusplus >= 201402) -// macro _GLIBCXX_USE_DUAL_ABI is always defined in libstdc++ from gcc-5 and newer -#define GHC_HAS_STD_EXPERIMENTAL_STRING_VIEW -#endif - -#if defined(GHC_HAS_STD_STRING_VIEW) -#include -#elif defined(GHC_HAS_STD_EXPERIMENTAL_STRING_VIEW) -#include -#endif - -//- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -// Behaviour Switches (see README.md, should match the config in test/filesystem_test.cpp): -//- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -// Enforce C++17 API where possible when compiling for C++20, handles the following cases: -// * fs::path::u8string() returns std::string instead of std::u8string -// #define GHC_FILESYSTEM_ENFORCE_CPP17_API -//- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -// LWG #2682 disables the since then invalid use of the copy option create_symlinks on directories -// configure LWG conformance () -#define LWG_2682_BEHAVIOUR -//- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -// LWG #2395 makes crate_directory/create_directories not emit an error if there is a regular -// file with that name, it is superseded by P1164R1, so only activate if really needed -// #define LWG_2935_BEHAVIOUR -//- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -// LWG #2936 enables new element wise (more expensive) path comparison -// * if this->root_name().native().compare(p.root_name().native()) != 0 return result -// * if this->has_root_directory() and !p.has_root_directory() return -1 -// * if !this->has_root_directory() and p.has_root_directory() return -1 -// * else result of element wise comparison of path iteration where first comparison is != 0 or 0 -// if all comparisons are 0 (on Windows this implementation does case insensitive root_name() -// comparison) -#define LWG_2936_BEHAVIOUR -//- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -// LWG #2937 enforces that fs::equivalent emits an error, if !fs::exists(p1)||!exists(p2) -#define LWG_2937_BEHAVIOUR -//- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -// UTF8-Everywhere is the original behaviour of ghc::filesystem. But since v1.5 the windows -// version defaults to std::wstring storage backend. Still all std::string will be interpreted -// as UTF-8 encoded. With this define you can enfoce the old behavior on Windows, using -// std::string as backend and for fs::path::native() and char for fs::path::c_str(). This -// needs more conversions so it is (an was before v1.5) slower, bot might help keeping source -// homogeneous in a multi platform project. -// #define GHC_WIN_DISABLE_WSTRING_STORAGE_TYPE -//- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -// Raise errors/exceptions when invalid unicode codepoints or UTF-8 sequences are found, -// instead of replacing them with the unicode replacement character (U+FFFD). -// #define GHC_RAISE_UNICODE_ERRORS -//- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -// Automatic prefix windows path with "\\?\" if they would break the MAX_PATH length. -// instead of replacing them with the unicode replacement character (U+FFFD). -#ifndef GHC_WIN_DISABLE_AUTO_PREFIXES -#define GHC_WIN_AUTO_PREFIX_LONG_PATH -#endif // GHC_WIN_DISABLE_AUTO_PREFIXES -//- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -// ghc::filesystem version in decimal (major * 10000 + minor * 100 + patch) -#define GHC_FILESYSTEM_VERSION 10508L - -#if !defined(GHC_WITH_EXCEPTIONS) && (defined(__EXCEPTIONS) || defined(__cpp_exceptions) || defined(_CPPUNWIND)) -#define GHC_WITH_EXCEPTIONS -#endif -#if !defined(GHC_WITH_EXCEPTIONS) && defined(GHC_RAISE_UNICODE_ERRORS) -#error "Can't raise unicode errors with exception support disabled" -#endif - -namespace ghc { -namespace filesystem { - -#if defined(GHC_HAS_CUSTOM_STRING_VIEW) -#define GHC_WITH_STRING_VIEW -#elif defined(GHC_HAS_STD_STRING_VIEW) -#define GHC_WITH_STRING_VIEW -using std::basic_string_view; -#elif defined(GHC_HAS_STD_EXPERIMENTAL_STRING_VIEW) -#define GHC_WITH_STRING_VIEW -using std::experimental::basic_string_view; -#endif - -// temporary existing exception type for yet unimplemented parts -class GHC_FS_API_CLASS not_implemented_exception : public std::logic_error -{ -public: - not_implemented_exception() - : std::logic_error("function not implemented yet.") - { - } -}; - -template -class path_helper_base -{ -public: - using value_type = char_type; -#ifdef GHC_OS_WINDOWS - static constexpr value_type preferred_separator = '\\'; -#else - static constexpr value_type preferred_separator = '/'; -#endif -}; - -#if __cplusplus < 201703L -template -constexpr char_type path_helper_base::preferred_separator; -#endif - -#ifdef GHC_OS_WINDOWS -class path; -namespace detail { -bool has_executable_extension(const path& p); -} -#endif - -// [fs.class.path] class path -class GHC_FS_API_CLASS path -#if defined(GHC_OS_WINDOWS) && !defined(GHC_WIN_DISABLE_WSTRING_STORAGE_TYPE) -#define GHC_USE_WCHAR_T -#define GHC_NATIVEWP(p) p.c_str() -#define GHC_PLATFORM_LITERAL(str) L##str - : private path_helper_base -{ -public: - using path_helper_base::value_type; -#else -#define GHC_NATIVEWP(p) p.wstring().c_str() -#define GHC_PLATFORM_LITERAL(str) str - : private path_helper_base -{ -public: - using path_helper_base::value_type; -#endif - using string_type = std::basic_string; - using path_helper_base::preferred_separator; - - // [fs.enum.path.format] enumeration format - /// The path format in which the constructor argument is given. - enum format { - generic_format, ///< The generic format, internally used by - ///< ghc::filesystem::path with slashes - native_format, ///< The format native to the current platform this code - ///< is build for - auto_format, ///< Try to auto-detect the format, fallback to native - }; - - template - struct _is_basic_string : std::false_type - { - }; - template - struct _is_basic_string> : std::true_type - { - }; - template - struct _is_basic_string, std::allocator>> : std::true_type - { - }; -#ifdef GHC_WITH_STRING_VIEW - template - struct _is_basic_string> : std::true_type - { - }; - template - struct _is_basic_string>> : std::true_type - { - }; -#endif - - template - using path_type = typename std::enable_if::value, path>::type; - template -#if defined(__cpp_lib_char8_t) && !defined(GHC_FILESYSTEM_ENFORCE_CPP17_API) - using path_from_string = - typename std::enable_if<_is_basic_string::value || std::is_same::type>::value || std::is_same::type>::value || std::is_same::type>::value || - std::is_same::type>::value || std::is_same::type>::value || std::is_same::type>::value || - std::is_same::type>::value || std::is_same::type>::value || std::is_same::type>::value || - std::is_same::type>::value, - path>::type; - template - using path_type_EcharT = typename std::enable_if::value || std::is_same::value || std::is_same::value || std::is_same::value || std::is_same::value, path>::type; -#else - using path_from_string = typename std::enable_if<_is_basic_string::value || std::is_same::type>::value || std::is_same::type>::value || - std::is_same::type>::value || std::is_same::type>::value || std::is_same::type>::value || - std::is_same::type>::value || std::is_same::type>::value || std::is_same::type>::value, - path>::type; - template - using path_type_EcharT = typename std::enable_if::value || std::is_same::value || std::is_same::value || std::is_same::value, path>::type; -#endif - // [fs.path.construct] constructors and destructor - path() noexcept; - path(const path& p); - path(path&& p) noexcept; - path(string_type&& source, format fmt = auto_format); - template > - path(const Source& source, format fmt = auto_format); - template - path(InputIterator first, InputIterator last, format fmt = auto_format); -#ifdef GHC_WITH_EXCEPTIONS - template > - path(const Source& source, const std::locale& loc, format fmt = auto_format); - template - path(InputIterator first, InputIterator last, const std::locale& loc, format fmt = auto_format); -#endif - ~path(); - - // [fs.path.assign] assignments - path& operator=(const path& p); - path& operator=(path&& p) noexcept; - path& operator=(string_type&& source); - path& assign(string_type&& source); - template - path& operator=(const Source& source); - template - path& assign(const Source& source); - template - path& assign(InputIterator first, InputIterator last); - - // [fs.path.append] appends - path& operator/=(const path& p); - template - path& operator/=(const Source& source); - template - path& append(const Source& source); - template - path& append(InputIterator first, InputIterator last); - - // [fs.path.concat] concatenation - path& operator+=(const path& x); - path& operator+=(const string_type& x); -#ifdef GHC_WITH_STRING_VIEW - path& operator+=(basic_string_view x); -#endif - path& operator+=(const value_type* x); - path& operator+=(value_type x); - template - path_from_string& operator+=(const Source& x); - template - path_type_EcharT& operator+=(EcharT x); - template - path& concat(const Source& x); - template - path& concat(InputIterator first, InputIterator last); - - // [fs.path.modifiers] modifiers - void clear() noexcept; - path& make_preferred(); - path& remove_filename(); - path& replace_filename(const path& replacement); - path& replace_extension(const path& replacement = path()); - void swap(path& rhs) noexcept; - - // [fs.path.native.obs] native format observers - const string_type& native() const noexcept; - const value_type* c_str() const noexcept; - operator string_type() const; - template , class Allocator = std::allocator> - std::basic_string string(const Allocator& a = Allocator()) const; - std::string string() const; - std::wstring wstring() const; -#if defined(__cpp_lib_char8_t) && !defined(GHC_FILESYSTEM_ENFORCE_CPP17_API) - std::u8string u8string() const; -#else - std::string u8string() const; -#endif - std::u16string u16string() const; - std::u32string u32string() const; - - // [fs.path.generic.obs] generic format observers - template , class Allocator = std::allocator> - std::basic_string generic_string(const Allocator& a = Allocator()) const; - std::string generic_string() const; - std::wstring generic_wstring() const; -#if defined(__cpp_lib_char8_t) && !defined(GHC_FILESYSTEM_ENFORCE_CPP17_API) - std::u8string generic_u8string() const; -#else - std::string generic_u8string() const; -#endif - std::u16string generic_u16string() const; - std::u32string generic_u32string() const; - - // [fs.path.compare] compare - int compare(const path& p) const noexcept; - int compare(const string_type& s) const; -#ifdef GHC_WITH_STRING_VIEW - int compare(basic_string_view s) const; -#endif - int compare(const value_type* s) const; - - // [fs.path.decompose] decomposition - path root_name() const; - path root_directory() const; - path root_path() const; - path relative_path() const; - path parent_path() const; - path filename() const; - path stem() const; - path extension() const; - - // [fs.path.query] query - bool empty() const noexcept; - bool has_root_name() const; - bool has_root_directory() const; - bool has_root_path() const; - bool has_relative_path() const; - bool has_parent_path() const; - bool has_filename() const; - bool has_stem() const; - bool has_extension() const; - bool is_absolute() const; - bool is_relative() const; - - // [fs.path.gen] generation - path lexically_normal() const; - path lexically_relative(const path& base) const; - path lexically_proximate(const path& base) const; - - // [fs.path.itr] iterators - class iterator; - using const_iterator = iterator; - iterator begin() const; - iterator end() const; - -private: - using impl_value_type = value_type; - using impl_string_type = std::basic_string; - friend class directory_iterator; - void append_name(const value_type* name); - static constexpr impl_value_type generic_separator = '/'; - template - class input_iterator_range - { - public: - typedef InputIterator iterator; - typedef InputIterator const_iterator; - typedef typename InputIterator::difference_type difference_type; - - input_iterator_range(const InputIterator& first, const InputIterator& last) - : _first(first) - , _last(last) - { - } - - InputIterator begin() const { return _first; } - InputIterator end() const { return _last; } - - private: - InputIterator _first; - InputIterator _last; - }; - friend void swap(path& lhs, path& rhs) noexcept; - friend size_t hash_value(const path& p) noexcept; - friend path canonical(const path& p, std::error_code& ec); - friend bool create_directories(const path& p, std::error_code& ec) noexcept; - string_type::size_type root_name_length() const noexcept; - void postprocess_path_with_format(format fmt); - void check_long_path(); - impl_string_type _path; -#ifdef GHC_OS_WINDOWS - void handle_prefixes(); - friend bool detail::has_executable_extension(const path& p); -#ifdef GHC_WIN_AUTO_PREFIX_LONG_PATH - string_type::size_type _prefixLength{0}; -#else // GHC_WIN_AUTO_PREFIX_LONG_PATH - static const string_type::size_type _prefixLength{0}; -#endif // GHC_WIN_AUTO_PREFIX_LONG_PATH -#else - static const string_type::size_type _prefixLength{0}; -#endif -}; - -// [fs.path.nonmember] path non-member functions -GHC_FS_API void swap(path& lhs, path& rhs) noexcept; -GHC_FS_API size_t hash_value(const path& p) noexcept; -#ifdef GHC_HAS_THREEWAY_COMP -GHC_FS_API std::strong_ordering operator<=>(const path& lhs, const path& rhs) noexcept; -#endif -GHC_FS_API bool operator==(const path& lhs, const path& rhs) noexcept; -GHC_FS_API bool operator!=(const path& lhs, const path& rhs) noexcept; -GHC_FS_API bool operator<(const path& lhs, const path& rhs) noexcept; -GHC_FS_API bool operator<=(const path& lhs, const path& rhs) noexcept; -GHC_FS_API bool operator>(const path& lhs, const path& rhs) noexcept; -GHC_FS_API bool operator>=(const path& lhs, const path& rhs) noexcept; -GHC_FS_API path operator/(const path& lhs, const path& rhs); - -// [fs.path.io] path inserter and extractor -template -std::basic_ostream& operator<<(std::basic_ostream& os, const path& p); -template -std::basic_istream& operator>>(std::basic_istream& is, path& p); - -// [pfs.path.factory] path factory functions -template > -#if defined(__cpp_lib_char8_t) && !defined(GHC_FILESYSTEM_ENFORCE_CPP17_API) -[[deprecated("use ghc::filesystem::path::path() with std::u8string instead")]] -#endif -path u8path(const Source& source); -template -#if defined(__cpp_lib_char8_t) && !defined(GHC_FILESYSTEM_ENFORCE_CPP17_API) -[[deprecated("use ghc::filesystem::path::path() with std::u8string instead")]] -#endif -path u8path(InputIterator first, InputIterator last); - -// [fs.class.filesystem_error] class filesystem_error -class GHC_FS_API_CLASS filesystem_error : public std::system_error -{ -public: - filesystem_error(const std::string& what_arg, std::error_code ec); - filesystem_error(const std::string& what_arg, const path& p1, std::error_code ec); - filesystem_error(const std::string& what_arg, const path& p1, const path& p2, std::error_code ec); - const path& path1() const noexcept; - const path& path2() const noexcept; - const char* what() const noexcept override; - -private: - std::string _what_arg; - std::error_code _ec; - path _p1, _p2; -}; - -class GHC_FS_API_CLASS path::iterator -{ -public: - using value_type = const path; - using difference_type = std::ptrdiff_t; - using pointer = const path*; - using reference = const path&; - using iterator_category = std::bidirectional_iterator_tag; - - iterator(); - iterator(const path& p, const impl_string_type::const_iterator& pos); - iterator& operator++(); - iterator operator++(int); - iterator& operator--(); - iterator operator--(int); - bool operator==(const iterator& other) const; - bool operator!=(const iterator& other) const; - reference operator*() const; - pointer operator->() const; - -private: - friend class path; - impl_string_type::const_iterator increment(const impl_string_type::const_iterator& pos) const; - impl_string_type::const_iterator decrement(const impl_string_type::const_iterator& pos) const; - void updateCurrent(); - impl_string_type::const_iterator _first; - impl_string_type::const_iterator _last; - impl_string_type::const_iterator _prefix; - impl_string_type::const_iterator _root; - impl_string_type::const_iterator _iter; - path _current; -}; - -struct space_info -{ - uintmax_t capacity; - uintmax_t free; - uintmax_t available; -}; - -// [fs.enum] enumerations -// [fs.enum.file_type] -enum class file_type { - none, - not_found, - regular, - directory, - symlink, - block, - character, - fifo, - socket, - unknown, -}; - -// [fs.enum.perms] -enum class perms : uint16_t { - none = 0, - - owner_read = 0400, - owner_write = 0200, - owner_exec = 0100, - owner_all = 0700, - - group_read = 040, - group_write = 020, - group_exec = 010, - group_all = 070, - - others_read = 04, - others_write = 02, - others_exec = 01, - others_all = 07, - - all = 0777, - set_uid = 04000, - set_gid = 02000, - sticky_bit = 01000, - - mask = 07777, - unknown = 0xffff -}; - -// [fs.enum.perm.opts] -enum class perm_options : uint16_t { - replace = 3, - add = 1, - remove = 2, - nofollow = 4, -}; - -// [fs.enum.copy.opts] -enum class copy_options : uint16_t { - none = 0, - - skip_existing = 1, - overwrite_existing = 2, - update_existing = 4, - - recursive = 8, - - copy_symlinks = 0x10, - skip_symlinks = 0x20, - - directories_only = 0x40, - create_symlinks = 0x80, -#ifndef GHC_OS_WEB - create_hard_links = 0x100 -#endif -}; - -// [fs.enum.dir.opts] -enum class directory_options : uint16_t { - none = 0, - follow_directory_symlink = 1, - skip_permission_denied = 2, -}; - -// [fs.class.file_status] class file_status -class GHC_FS_API_CLASS file_status -{ -public: - // [fs.file_status.cons] constructors and destructor - file_status() noexcept; - explicit file_status(file_type ft, perms prms = perms::unknown) noexcept; - file_status(const file_status&) noexcept; - file_status(file_status&&) noexcept; - ~file_status(); - // assignments: - file_status& operator=(const file_status&) noexcept; - file_status& operator=(file_status&&) noexcept; - // [fs.file_status.mods] modifiers - void type(file_type ft) noexcept; - void permissions(perms prms) noexcept; - // [fs.file_status.obs] observers - file_type type() const noexcept; - perms permissions() const noexcept; - friend bool operator==(const file_status& lhs, const file_status& rhs) noexcept { return lhs.type() == rhs.type() && lhs.permissions() == rhs.permissions(); } -private: - file_type _type; - perms _perms; -}; - -using file_time_type = std::chrono::time_point; - -// [fs.class.directory_entry] Class directory_entry -class GHC_FS_API_CLASS directory_entry -{ -public: - // [fs.dir.entry.cons] constructors and destructor - directory_entry() noexcept = default; - directory_entry(const directory_entry&) = default; - directory_entry(directory_entry&&) noexcept = default; -#ifdef GHC_WITH_EXCEPTIONS - explicit directory_entry(const path& p); -#endif - directory_entry(const path& p, std::error_code& ec); - ~directory_entry(); - - // assignments: - directory_entry& operator=(const directory_entry&) = default; - directory_entry& operator=(directory_entry&&) noexcept = default; - - // [fs.dir.entry.mods] modifiers -#ifdef GHC_WITH_EXCEPTIONS - void assign(const path& p); - void replace_filename(const path& p); - void refresh(); -#endif - void assign(const path& p, std::error_code& ec); - void replace_filename(const path& p, std::error_code& ec); - void refresh(std::error_code& ec) noexcept; - - // [fs.dir.entry.obs] observers - const filesystem::path& path() const noexcept; - operator const filesystem::path&() const noexcept; -#ifdef GHC_WITH_EXCEPTIONS - bool exists() const; - bool is_block_file() const; - bool is_character_file() const; - bool is_directory() const; - bool is_fifo() const; - bool is_other() const; - bool is_regular_file() const; - bool is_socket() const; - bool is_symlink() const; - uintmax_t file_size() const; - file_time_type last_write_time() const; - file_status status() const; - file_status symlink_status() const; -#endif - bool exists(std::error_code& ec) const noexcept; - bool is_block_file(std::error_code& ec) const noexcept; - bool is_character_file(std::error_code& ec) const noexcept; - bool is_directory(std::error_code& ec) const noexcept; - bool is_fifo(std::error_code& ec) const noexcept; - bool is_other(std::error_code& ec) const noexcept; - bool is_regular_file(std::error_code& ec) const noexcept; - bool is_socket(std::error_code& ec) const noexcept; - bool is_symlink(std::error_code& ec) const noexcept; - uintmax_t file_size(std::error_code& ec) const noexcept; - file_time_type last_write_time(std::error_code& ec) const noexcept; - file_status status(std::error_code& ec) const noexcept; - file_status symlink_status(std::error_code& ec) const noexcept; - -#ifndef GHC_OS_WEB -#ifdef GHC_WITH_EXCEPTIONS - uintmax_t hard_link_count() const; -#endif - uintmax_t hard_link_count(std::error_code& ec) const noexcept; -#endif - -#ifdef GHC_HAS_THREEWAY_COMP - std::strong_ordering operator<=>(const directory_entry& rhs) const noexcept; -#endif - bool operator<(const directory_entry& rhs) const noexcept; - bool operator==(const directory_entry& rhs) const noexcept; - bool operator!=(const directory_entry& rhs) const noexcept; - bool operator<=(const directory_entry& rhs) const noexcept; - bool operator>(const directory_entry& rhs) const noexcept; - bool operator>=(const directory_entry& rhs) const noexcept; - -private: - friend class directory_iterator; -#ifdef GHC_WITH_EXCEPTIONS - file_type status_file_type() const; -#endif - file_type status_file_type(std::error_code& ec) const noexcept; - filesystem::path _path; - file_status _status; - file_status _symlink_status; - uintmax_t _file_size = static_cast(-1); -#ifndef GHC_OS_WINDOWS - uintmax_t _hard_link_count = static_cast(-1); -#endif - time_t _last_write_time = 0; -}; - -// [fs.class.directory.iterator] Class directory_iterator -class GHC_FS_API_CLASS directory_iterator -{ -public: - class GHC_FS_API_CLASS proxy - { - public: - const directory_entry& operator*() const& noexcept { return _dir_entry; } - directory_entry operator*() && noexcept { return std::move(_dir_entry); } - - private: - explicit proxy(const directory_entry& dir_entry) - : _dir_entry(dir_entry) - { - } - friend class directory_iterator; - friend class recursive_directory_iterator; - directory_entry _dir_entry; - }; - using iterator_category = std::input_iterator_tag; - using value_type = directory_entry; - using difference_type = std::ptrdiff_t; - using pointer = const directory_entry*; - using reference = const directory_entry&; - - // [fs.dir.itr.members] member functions - directory_iterator() noexcept; -#ifdef GHC_WITH_EXCEPTIONS - explicit directory_iterator(const path& p); - directory_iterator(const path& p, directory_options options); -#endif - directory_iterator(const path& p, std::error_code& ec) noexcept; - directory_iterator(const path& p, directory_options options, std::error_code& ec) noexcept; - directory_iterator(const directory_iterator& rhs); - directory_iterator(directory_iterator&& rhs) noexcept; - ~directory_iterator(); - directory_iterator& operator=(const directory_iterator& rhs); - directory_iterator& operator=(directory_iterator&& rhs) noexcept; - const directory_entry& operator*() const; - const directory_entry* operator->() const; -#ifdef GHC_WITH_EXCEPTIONS - directory_iterator& operator++(); -#endif - directory_iterator& increment(std::error_code& ec) noexcept; - - // other members as required by [input.iterators] -#ifdef GHC_WITH_EXCEPTIONS - proxy operator++(int) - { - proxy p{**this}; - ++*this; - return p; - } -#endif - bool operator==(const directory_iterator& rhs) const; - bool operator!=(const directory_iterator& rhs) const; - -private: - friend class recursive_directory_iterator; - class impl; - std::shared_ptr _impl; -}; - -// [fs.dir.itr.nonmembers] directory_iterator non-member functions -GHC_FS_API directory_iterator begin(directory_iterator iter) noexcept; -GHC_FS_API directory_iterator end(const directory_iterator&) noexcept; - -// [fs.class.re.dir.itr] class recursive_directory_iterator -class GHC_FS_API_CLASS recursive_directory_iterator -{ -public: - using iterator_category = std::input_iterator_tag; - using value_type = directory_entry; - using difference_type = std::ptrdiff_t; - using pointer = const directory_entry*; - using reference = const directory_entry&; - - // [fs.rec.dir.itr.members] constructors and destructor - recursive_directory_iterator() noexcept; -#ifdef GHC_WITH_EXCEPTIONS - explicit recursive_directory_iterator(const path& p); - recursive_directory_iterator(const path& p, directory_options options); -#endif - recursive_directory_iterator(const path& p, directory_options options, std::error_code& ec) noexcept; - recursive_directory_iterator(const path& p, std::error_code& ec) noexcept; - recursive_directory_iterator(const recursive_directory_iterator& rhs); - recursive_directory_iterator(recursive_directory_iterator&& rhs) noexcept; - ~recursive_directory_iterator(); - - // [fs.rec.dir.itr.members] observers - directory_options options() const; - int depth() const; - bool recursion_pending() const; - - const directory_entry& operator*() const; - const directory_entry* operator->() const; - - // [fs.rec.dir.itr.members] modifiers recursive_directory_iterator& - recursive_directory_iterator& operator=(const recursive_directory_iterator& rhs); - recursive_directory_iterator& operator=(recursive_directory_iterator&& rhs) noexcept; -#ifdef GHC_WITH_EXCEPTIONS - recursive_directory_iterator& operator++(); -#endif - recursive_directory_iterator& increment(std::error_code& ec) noexcept; - -#ifdef GHC_WITH_EXCEPTIONS - void pop(); -#endif - void pop(std::error_code& ec); - void disable_recursion_pending(); - - // other members as required by [input.iterators] -#ifdef GHC_WITH_EXCEPTIONS - directory_iterator::proxy operator++(int) - { - directory_iterator::proxy proxy{**this}; - ++*this; - return proxy; - } -#endif - bool operator==(const recursive_directory_iterator& rhs) const; - bool operator!=(const recursive_directory_iterator& rhs) const; - -private: - struct recursive_directory_iterator_impl - { - directory_options _options; - bool _recursion_pending; - std::stack _dir_iter_stack; - recursive_directory_iterator_impl(directory_options options, bool recursion_pending) - : _options(options) - , _recursion_pending(recursion_pending) - { - } - }; - std::shared_ptr _impl; -}; - -// [fs.rec.dir.itr.nonmembers] directory_iterator non-member functions -GHC_FS_API recursive_directory_iterator begin(recursive_directory_iterator iter) noexcept; -GHC_FS_API recursive_directory_iterator end(const recursive_directory_iterator&) noexcept; - -// [fs.op.funcs] filesystem operations -#ifdef GHC_WITH_EXCEPTIONS -GHC_FS_API path absolute(const path& p); -GHC_FS_API path canonical(const path& p); -GHC_FS_API void copy(const path& from, const path& to); -GHC_FS_API void copy(const path& from, const path& to, copy_options options); -GHC_FS_API bool copy_file(const path& from, const path& to); -GHC_FS_API bool copy_file(const path& from, const path& to, copy_options option); -GHC_FS_API void copy_symlink(const path& existing_symlink, const path& new_symlink); -GHC_FS_API bool create_directories(const path& p); -GHC_FS_API bool create_directory(const path& p); -GHC_FS_API bool create_directory(const path& p, const path& attributes); -GHC_FS_API void create_directory_symlink(const path& to, const path& new_symlink); -GHC_FS_API void create_symlink(const path& to, const path& new_symlink); -GHC_FS_API path current_path(); -GHC_FS_API void current_path(const path& p); -GHC_FS_API bool exists(const path& p); -GHC_FS_API bool equivalent(const path& p1, const path& p2); -GHC_FS_API uintmax_t file_size(const path& p); -GHC_FS_API bool is_block_file(const path& p); -GHC_FS_API bool is_character_file(const path& p); -GHC_FS_API bool is_directory(const path& p); -GHC_FS_API bool is_empty(const path& p); -GHC_FS_API bool is_fifo(const path& p); -GHC_FS_API bool is_other(const path& p); -GHC_FS_API bool is_regular_file(const path& p); -GHC_FS_API bool is_socket(const path& p); -GHC_FS_API bool is_symlink(const path& p); -GHC_FS_API file_time_type last_write_time(const path& p); -GHC_FS_API void last_write_time(const path& p, file_time_type new_time); -GHC_FS_API void permissions(const path& p, perms prms, perm_options opts = perm_options::replace); -GHC_FS_API path proximate(const path& p, const path& base = current_path()); -GHC_FS_API path read_symlink(const path& p); -GHC_FS_API path relative(const path& p, const path& base = current_path()); -GHC_FS_API bool remove(const path& p); -GHC_FS_API uintmax_t remove_all(const path& p); -GHC_FS_API void rename(const path& from, const path& to); -GHC_FS_API void resize_file(const path& p, uintmax_t size); -GHC_FS_API space_info space(const path& p); -GHC_FS_API file_status status(const path& p); -GHC_FS_API file_status symlink_status(const path& p); -GHC_FS_API path temp_directory_path(); -GHC_FS_API path weakly_canonical(const path& p); -#endif -GHC_FS_API path absolute(const path& p, std::error_code& ec); -GHC_FS_API path canonical(const path& p, std::error_code& ec); -GHC_FS_API void copy(const path& from, const path& to, std::error_code& ec) noexcept; -GHC_FS_API void copy(const path& from, const path& to, copy_options options, std::error_code& ec) noexcept; -GHC_FS_API bool copy_file(const path& from, const path& to, std::error_code& ec) noexcept; -GHC_FS_API bool copy_file(const path& from, const path& to, copy_options option, std::error_code& ec) noexcept; -GHC_FS_API void copy_symlink(const path& existing_symlink, const path& new_symlink, std::error_code& ec) noexcept; -GHC_FS_API bool create_directories(const path& p, std::error_code& ec) noexcept; -GHC_FS_API bool create_directory(const path& p, std::error_code& ec) noexcept; -GHC_FS_API bool create_directory(const path& p, const path& attributes, std::error_code& ec) noexcept; -GHC_FS_API void create_directory_symlink(const path& to, const path& new_symlink, std::error_code& ec) noexcept; -GHC_FS_API void create_symlink(const path& to, const path& new_symlink, std::error_code& ec) noexcept; -GHC_FS_API path current_path(std::error_code& ec); -GHC_FS_API void current_path(const path& p, std::error_code& ec) noexcept; -GHC_FS_API bool exists(file_status s) noexcept; -GHC_FS_API bool exists(const path& p, std::error_code& ec) noexcept; -GHC_FS_API bool equivalent(const path& p1, const path& p2, std::error_code& ec) noexcept; -GHC_FS_API uintmax_t file_size(const path& p, std::error_code& ec) noexcept; -GHC_FS_API bool is_block_file(file_status s) noexcept; -GHC_FS_API bool is_block_file(const path& p, std::error_code& ec) noexcept; -GHC_FS_API bool is_character_file(file_status s) noexcept; -GHC_FS_API bool is_character_file(const path& p, std::error_code& ec) noexcept; -GHC_FS_API bool is_directory(file_status s) noexcept; -GHC_FS_API bool is_directory(const path& p, std::error_code& ec) noexcept; -GHC_FS_API bool is_empty(const path& p, std::error_code& ec) noexcept; -GHC_FS_API bool is_fifo(file_status s) noexcept; -GHC_FS_API bool is_fifo(const path& p, std::error_code& ec) noexcept; -GHC_FS_API bool is_other(file_status s) noexcept; -GHC_FS_API bool is_other(const path& p, std::error_code& ec) noexcept; -GHC_FS_API bool is_regular_file(file_status s) noexcept; -GHC_FS_API bool is_regular_file(const path& p, std::error_code& ec) noexcept; -GHC_FS_API bool is_socket(file_status s) noexcept; -GHC_FS_API bool is_socket(const path& p, std::error_code& ec) noexcept; -GHC_FS_API bool is_symlink(file_status s) noexcept; -GHC_FS_API bool is_symlink(const path& p, std::error_code& ec) noexcept; -GHC_FS_API file_time_type last_write_time(const path& p, std::error_code& ec) noexcept; -GHC_FS_API void last_write_time(const path& p, file_time_type new_time, std::error_code& ec) noexcept; -GHC_FS_API void permissions(const path& p, perms prms, std::error_code& ec) noexcept; -GHC_FS_API void permissions(const path& p, perms prms, perm_options opts, std::error_code& ec) noexcept; -GHC_FS_API path proximate(const path& p, std::error_code& ec); -GHC_FS_API path proximate(const path& p, const path& base, std::error_code& ec); -GHC_FS_API path read_symlink(const path& p, std::error_code& ec); -GHC_FS_API path relative(const path& p, std::error_code& ec); -GHC_FS_API path relative(const path& p, const path& base, std::error_code& ec); -GHC_FS_API bool remove(const path& p, std::error_code& ec) noexcept; -GHC_FS_API uintmax_t remove_all(const path& p, std::error_code& ec) noexcept; -GHC_FS_API void rename(const path& from, const path& to, std::error_code& ec) noexcept; -GHC_FS_API void resize_file(const path& p, uintmax_t size, std::error_code& ec) noexcept; -GHC_FS_API space_info space(const path& p, std::error_code& ec) noexcept; -GHC_FS_API file_status status(const path& p, std::error_code& ec) noexcept; -GHC_FS_API bool status_known(file_status s) noexcept; -GHC_FS_API file_status symlink_status(const path& p, std::error_code& ec) noexcept; -GHC_FS_API path temp_directory_path(std::error_code& ec) noexcept; -GHC_FS_API path weakly_canonical(const path& p, std::error_code& ec) noexcept; - -#ifndef GHC_OS_WEB -#ifdef GHC_WITH_EXCEPTIONS -GHC_FS_API void create_hard_link(const path& to, const path& new_hard_link); -GHC_FS_API uintmax_t hard_link_count(const path& p); -#endif -GHC_FS_API void create_hard_link(const path& to, const path& new_hard_link, std::error_code& ec) noexcept; -GHC_FS_API uintmax_t hard_link_count(const path& p, std::error_code& ec) noexcept; -#endif - -// Non-C++17 add-on std::fstream wrappers with path -template > -class basic_filebuf : public std::basic_filebuf -{ -public: - basic_filebuf() {} - ~basic_filebuf() override {} - basic_filebuf(const basic_filebuf&) = delete; - const basic_filebuf& operator=(const basic_filebuf&) = delete; - basic_filebuf* open(const path& p, std::ios_base::openmode mode) - { -#if defined(GHC_OS_WINDOWS) && !defined(__GLIBCXX__) - return std::basic_filebuf::open(p.wstring().c_str(), mode) ? this : 0; -#else - return std::basic_filebuf::open(p.string().c_str(), mode) ? this : 0; -#endif - } -}; - -template > -class basic_ifstream : public std::basic_ifstream -{ -public: - basic_ifstream() {} -#if defined(GHC_OS_WINDOWS) && !defined(__GLIBCXX__) - explicit basic_ifstream(const path& p, std::ios_base::openmode mode = std::ios_base::in) - : std::basic_ifstream(p.wstring().c_str(), mode) - { - } - void open(const path& p, std::ios_base::openmode mode = std::ios_base::in) { std::basic_ifstream::open(p.wstring().c_str(), mode); } -#else - explicit basic_ifstream(const path& p, std::ios_base::openmode mode = std::ios_base::in) - : std::basic_ifstream(p.string().c_str(), mode) - { - } - void open(const path& p, std::ios_base::openmode mode = std::ios_base::in) { std::basic_ifstream::open(p.string().c_str(), mode); } -#endif - basic_ifstream(const basic_ifstream&) = delete; - const basic_ifstream& operator=(const basic_ifstream&) = delete; - ~basic_ifstream() override {} -}; - -template > -class basic_ofstream : public std::basic_ofstream -{ -public: - basic_ofstream() {} -#if defined(GHC_OS_WINDOWS) && !defined(__GLIBCXX__) - explicit basic_ofstream(const path& p, std::ios_base::openmode mode = std::ios_base::out) - : std::basic_ofstream(p.wstring().c_str(), mode) - { - } - void open(const path& p, std::ios_base::openmode mode = std::ios_base::out) { std::basic_ofstream::open(p.wstring().c_str(), mode); } -#else - explicit basic_ofstream(const path& p, std::ios_base::openmode mode = std::ios_base::out) - : std::basic_ofstream(p.string().c_str(), mode) - { - } - void open(const path& p, std::ios_base::openmode mode = std::ios_base::out) { std::basic_ofstream::open(p.string().c_str(), mode); } -#endif - basic_ofstream(const basic_ofstream&) = delete; - const basic_ofstream& operator=(const basic_ofstream&) = delete; - ~basic_ofstream() override {} -}; - -template > -class basic_fstream : public std::basic_fstream -{ -public: - basic_fstream() {} -#if defined(GHC_OS_WINDOWS) && !defined(__GLIBCXX__) - explicit basic_fstream(const path& p, std::ios_base::openmode mode = std::ios_base::in | std::ios_base::out) - : std::basic_fstream(p.wstring().c_str(), mode) - { - } - void open(const path& p, std::ios_base::openmode mode = std::ios_base::in | std::ios_base::out) { std::basic_fstream::open(p.wstring().c_str(), mode); } -#else - explicit basic_fstream(const path& p, std::ios_base::openmode mode = std::ios_base::in | std::ios_base::out) - : std::basic_fstream(p.string().c_str(), mode) - { - } - void open(const path& p, std::ios_base::openmode mode = std::ios_base::in | std::ios_base::out) { std::basic_fstream::open(p.string().c_str(), mode); } -#endif - basic_fstream(const basic_fstream&) = delete; - const basic_fstream& operator=(const basic_fstream&) = delete; - ~basic_fstream() override {} -}; - -typedef basic_filebuf filebuf; -typedef basic_filebuf wfilebuf; -typedef basic_ifstream ifstream; -typedef basic_ifstream wifstream; -typedef basic_ofstream ofstream; -typedef basic_ofstream wofstream; -typedef basic_fstream fstream; -typedef basic_fstream wfstream; - -class GHC_FS_API_CLASS u8arguments -{ -public: - u8arguments(int& argc, char**& argv); - ~u8arguments() - { - _refargc = _argc; - _refargv = _argv; - } - - bool valid() const { return _isvalid; } - -private: - int _argc; - char** _argv; - int& _refargc; - char**& _refargv; - bool _isvalid; -#ifdef GHC_OS_WINDOWS - std::vector _args; - std::vector _argp; -#endif -}; - -//------------------------------------------------------------------------------------------------- -// Implementation -//------------------------------------------------------------------------------------------------- - -namespace detail { -enum utf8_states_t { S_STRT = 0, S_RJCT = 8 }; -GHC_FS_API void appendUTF8(std::string& str, uint32_t unicode); -GHC_FS_API bool is_surrogate(uint32_t c); -GHC_FS_API bool is_high_surrogate(uint32_t c); -GHC_FS_API bool is_low_surrogate(uint32_t c); -GHC_FS_API unsigned consumeUtf8Fragment(const unsigned state, const uint8_t fragment, uint32_t& codepoint); -enum class portable_error { - none = 0, - exists, - not_found, - not_supported, - not_implemented, - invalid_argument, - is_a_directory, -}; -GHC_FS_API std::error_code make_error_code(portable_error err); -#ifdef GHC_OS_WINDOWS -GHC_FS_API std::error_code make_system_error(uint32_t err = 0); -#else -GHC_FS_API std::error_code make_system_error(int err = 0); -#endif -} // namespace detail - -namespace detail { - -#ifdef GHC_EXPAND_IMPL - -GHC_INLINE std::error_code make_error_code(portable_error err) -{ -#ifdef GHC_OS_WINDOWS - switch (err) { - case portable_error::none: - return std::error_code(); - case portable_error::exists: - return std::error_code(ERROR_ALREADY_EXISTS, std::system_category()); - case portable_error::not_found: - return std::error_code(ERROR_PATH_NOT_FOUND, std::system_category()); - case portable_error::not_supported: - return std::error_code(ERROR_NOT_SUPPORTED, std::system_category()); - case portable_error::not_implemented: - return std::error_code(ERROR_CALL_NOT_IMPLEMENTED, std::system_category()); - case portable_error::invalid_argument: - return std::error_code(ERROR_INVALID_PARAMETER, std::system_category()); - case portable_error::is_a_directory: -#ifdef ERROR_DIRECTORY_NOT_SUPPORTED - return std::error_code(ERROR_DIRECTORY_NOT_SUPPORTED, std::system_category()); -#else - return std::error_code(ERROR_NOT_SUPPORTED, std::system_category()); -#endif - } -#else - switch (err) { - case portable_error::none: - return std::error_code(); - case portable_error::exists: - return std::error_code(EEXIST, std::system_category()); - case portable_error::not_found: - return std::error_code(ENOENT, std::system_category()); - case portable_error::not_supported: - return std::error_code(ENOTSUP, std::system_category()); - case portable_error::not_implemented: - return std::error_code(ENOSYS, std::system_category()); - case portable_error::invalid_argument: - return std::error_code(EINVAL, std::system_category()); - case portable_error::is_a_directory: - return std::error_code(EISDIR, std::system_category()); - } -#endif - return std::error_code(); -} - -#ifdef GHC_OS_WINDOWS -GHC_INLINE std::error_code make_system_error(uint32_t err) -{ - return std::error_code(err ? static_cast(err) : static_cast(::GetLastError()), std::system_category()); -} -#else -GHC_INLINE std::error_code make_system_error(int err) -{ - return std::error_code(err ? err : errno, std::system_category()); -} -#endif - -#endif // GHC_EXPAND_IMPL - -template -using EnableBitmask = typename std::enable_if::value || std::is_same::value || std::is_same::value || std::is_same::value, Enum>::type; -} // namespace detail - -template -constexpr detail::EnableBitmask operator&(Enum X, Enum Y) -{ - using underlying = typename std::underlying_type::type; - return static_cast(static_cast(X) & static_cast(Y)); -} - -template -constexpr detail::EnableBitmask operator|(Enum X, Enum Y) -{ - using underlying = typename std::underlying_type::type; - return static_cast(static_cast(X) | static_cast(Y)); -} - -template -constexpr detail::EnableBitmask operator^(Enum X, Enum Y) -{ - using underlying = typename std::underlying_type::type; - return static_cast(static_cast(X) ^ static_cast(Y)); -} - -template -constexpr detail::EnableBitmask operator~(Enum X) -{ - using underlying = typename std::underlying_type::type; - return static_cast(~static_cast(X)); -} - -template -detail::EnableBitmask& operator&=(Enum& X, Enum Y) -{ - X = X & Y; - return X; -} - -template -detail::EnableBitmask& operator|=(Enum& X, Enum Y) -{ - X = X | Y; - return X; -} - -template -detail::EnableBitmask& operator^=(Enum& X, Enum Y) -{ - X = X ^ Y; - return X; -} - -#ifdef GHC_EXPAND_IMPL - -namespace detail { - -GHC_INLINE bool in_range(uint32_t c, uint32_t lo, uint32_t hi) -{ - return (static_cast(c - lo) < (hi - lo + 1)); -} - -GHC_INLINE bool is_surrogate(uint32_t c) -{ - return in_range(c, 0xd800, 0xdfff); -} - -GHC_INLINE bool is_high_surrogate(uint32_t c) -{ - return (c & 0xfffffc00) == 0xd800; -} - -GHC_INLINE bool is_low_surrogate(uint32_t c) -{ - return (c & 0xfffffc00) == 0xdc00; -} - -GHC_INLINE void appendUTF8(std::string& str, uint32_t unicode) -{ - if (unicode <= 0x7f) { - str.push_back(static_cast(unicode)); - } - else if (unicode >= 0x80 && unicode <= 0x7ff) { - str.push_back(static_cast((unicode >> 6) + 192)); - str.push_back(static_cast((unicode & 0x3f) + 128)); - } - else if ((unicode >= 0x800 && unicode <= 0xd7ff) || (unicode >= 0xe000 && unicode <= 0xffff)) { - str.push_back(static_cast((unicode >> 12) + 224)); - str.push_back(static_cast(((unicode & 0xfff) >> 6) + 128)); - str.push_back(static_cast((unicode & 0x3f) + 128)); - } - else if (unicode >= 0x10000 && unicode <= 0x10ffff) { - str.push_back(static_cast((unicode >> 18) + 240)); - str.push_back(static_cast(((unicode & 0x3ffff) >> 12) + 128)); - str.push_back(static_cast(((unicode & 0xfff) >> 6) + 128)); - str.push_back(static_cast((unicode & 0x3f) + 128)); - } - else { -#ifdef GHC_RAISE_UNICODE_ERRORS - throw filesystem_error("Illegal code point for unicode character.", str, std::make_error_code(std::errc::illegal_byte_sequence)); -#else - appendUTF8(str, 0xfffd); -#endif - } -} - -// Thanks to Bjoern Hoehrmann (https://bjoern.hoehrmann.de/utf-8/decoder/dfa/) -// and Taylor R Campbell for the ideas to this DFA approach of UTF-8 decoding; -// Generating debugging and shrinking my own DFA from scratch was a day of fun! -GHC_INLINE unsigned consumeUtf8Fragment(const unsigned state, const uint8_t fragment, uint32_t& codepoint) -{ - static const uint32_t utf8_state_info[] = { - // encoded states - 0x11111111u, 0x11111111u, 0x77777777u, 0x77777777u, 0x88888888u, 0x88888888u, 0x88888888u, 0x88888888u, 0x22222299u, 0x22222222u, 0x22222222u, 0x22222222u, 0x3333333au, 0x33433333u, 0x9995666bu, 0x99999999u, - 0x88888880u, 0x22818108u, 0x88888881u, 0x88888882u, 0x88888884u, 0x88888887u, 0x88888886u, 0x82218108u, 0x82281108u, 0x88888888u, 0x88888883u, 0x88888885u, 0u, 0u, 0u, 0u, - }; - uint8_t category = fragment < 128 ? 0 : (utf8_state_info[(fragment >> 3) & 0xf] >> ((fragment & 7) << 2)) & 0xf; - codepoint = (state ? (codepoint << 6) | (fragment & 0x3fu) : (0xffu >> category) & fragment); - return state == S_RJCT ? static_cast(S_RJCT) : static_cast((utf8_state_info[category + 16] >> (state << 2)) & 0xf); -} - -GHC_INLINE bool validUtf8(const std::string& utf8String) -{ - std::string::const_iterator iter = utf8String.begin(); - unsigned utf8_state = S_STRT; - std::uint32_t codepoint = 0; - while (iter < utf8String.end()) { - if ((utf8_state = consumeUtf8Fragment(utf8_state, static_cast(*iter++), codepoint)) == S_RJCT) { - return false; - } - } - if (utf8_state) { - return false; - } - return true; -} - -} // namespace detail - -#endif - -namespace detail { - -template ::value && (sizeof(typename Utf8String::value_type) == 1) && (sizeof(typename StringType::value_type) == 1)>::type* = nullptr> -inline StringType fromUtf8(const Utf8String& utf8String, const typename StringType::allocator_type& alloc = typename StringType::allocator_type()) -{ - return StringType(utf8String.begin(), utf8String.end(), alloc); -} - -template ::value && (sizeof(typename Utf8String::value_type) == 1) && (sizeof(typename StringType::value_type) == 2)>::type* = nullptr> -inline StringType fromUtf8(const Utf8String& utf8String, const typename StringType::allocator_type& alloc = typename StringType::allocator_type()) -{ - StringType result(alloc); - result.reserve(utf8String.length()); - auto iter = utf8String.cbegin(); - unsigned utf8_state = S_STRT; - std::uint32_t codepoint = 0; - while (iter < utf8String.cend()) { - if ((utf8_state = consumeUtf8Fragment(utf8_state, static_cast(*iter++), codepoint)) == S_STRT) { - if (codepoint <= 0xffff) { - result += static_cast(codepoint); - } - else { - codepoint -= 0x10000; - result += static_cast((codepoint >> 10) + 0xd800); - result += static_cast((codepoint & 0x3ff) + 0xdc00); - } - codepoint = 0; - } - else if (utf8_state == S_RJCT) { -#ifdef GHC_RAISE_UNICODE_ERRORS - throw filesystem_error("Illegal byte sequence for unicode character.", utf8String, std::make_error_code(std::errc::illegal_byte_sequence)); -#else - result += static_cast(0xfffd); - utf8_state = S_STRT; - codepoint = 0; -#endif - } - } - if (utf8_state) { -#ifdef GHC_RAISE_UNICODE_ERRORS - throw filesystem_error("Illegal byte sequence for unicode character.", utf8String, std::make_error_code(std::errc::illegal_byte_sequence)); -#else - result += static_cast(0xfffd); -#endif - } - return result; -} - -template ::value && (sizeof(typename Utf8String::value_type) == 1) && (sizeof(typename StringType::value_type) == 4)>::type* = nullptr> -inline StringType fromUtf8(const Utf8String& utf8String, const typename StringType::allocator_type& alloc = typename StringType::allocator_type()) -{ - StringType result(alloc); - result.reserve(utf8String.length()); - auto iter = utf8String.cbegin(); - unsigned utf8_state = S_STRT; - std::uint32_t codepoint = 0; - while (iter < utf8String.cend()) { - if ((utf8_state = consumeUtf8Fragment(utf8_state, static_cast(*iter++), codepoint)) == S_STRT) { - result += static_cast(codepoint); - codepoint = 0; - } - else if (utf8_state == S_RJCT) { -#ifdef GHC_RAISE_UNICODE_ERRORS - throw filesystem_error("Illegal byte sequence for unicode character.", utf8String, std::make_error_code(std::errc::illegal_byte_sequence)); -#else - result += static_cast(0xfffd); - utf8_state = S_STRT; - codepoint = 0; -#endif - } - } - if (utf8_state) { -#ifdef GHC_RAISE_UNICODE_ERRORS - throw filesystem_error("Illegal byte sequence for unicode character.", utf8String, std::make_error_code(std::errc::illegal_byte_sequence)); -#else - result += static_cast(0xfffd); -#endif - } - return result; -} - -template -inline StringType fromUtf8(const charT (&utf8String)[N]) -{ -#ifdef GHC_WITH_STRING_VIEW - return fromUtf8(basic_string_view(utf8String, N - 1)); -#else - return fromUtf8(std::basic_string(utf8String, N - 1)); -#endif -} - -template ::value && (sizeof(typename strT::value_type) == 1), int>::type size = 1> -inline std::string toUtf8(const strT& unicodeString) -{ - return std::string(unicodeString.begin(), unicodeString.end()); -} - -template ::value && (sizeof(typename strT::value_type) == 2), int>::type size = 2> -inline std::string toUtf8(const strT& unicodeString) -{ - std::string result; - for (auto iter = unicodeString.begin(); iter != unicodeString.end(); ++iter) { - char32_t c = *iter; - if (is_surrogate(c)) { - ++iter; - if (iter != unicodeString.end() && is_high_surrogate(c) && is_low_surrogate(*iter)) { - appendUTF8(result, (char32_t(c) << 10) + *iter - 0x35fdc00); - } - else { -#ifdef GHC_RAISE_UNICODE_ERRORS - throw filesystem_error("Illegal code point for unicode character.", result, std::make_error_code(std::errc::illegal_byte_sequence)); -#else - appendUTF8(result, 0xfffd); - if (iter == unicodeString.end()) { - break; - } -#endif - } - } - else { - appendUTF8(result, c); - } - } - return result; -} - -template ::value && (sizeof(typename strT::value_type) == 4), int>::type size = 4> -inline std::string toUtf8(const strT& unicodeString) -{ - std::string result; - for (auto c : unicodeString) { - appendUTF8(result, static_cast(c)); - } - return result; -} - -template -inline std::string toUtf8(const charT* unicodeString) -{ -#ifdef GHC_WITH_STRING_VIEW - return toUtf8(basic_string_view>(unicodeString)); -#else - return toUtf8(std::basic_string>(unicodeString)); -#endif -} - -#ifdef GHC_USE_WCHAR_T -template ::value && (sizeof(typename WString::value_type) == 2) && (sizeof(typename StringType::value_type) == 1), bool>::type = false> -inline StringType fromWChar(const WString& wString, const typename StringType::allocator_type& alloc = typename StringType::allocator_type()) -{ - auto temp = toUtf8(wString); - return StringType(temp.begin(), temp.end(), alloc); -} - -template ::value && (sizeof(typename WString::value_type) == 2) && (sizeof(typename StringType::value_type) == 2), bool>::type = false> -inline StringType fromWChar(const WString& wString, const typename StringType::allocator_type& alloc = typename StringType::allocator_type()) -{ - return StringType(wString.begin(), wString.end(), alloc); -} - -template ::value && (sizeof(typename WString::value_type) == 2) && (sizeof(typename StringType::value_type) == 4), bool>::type = false> -inline StringType fromWChar(const WString& wString, const typename StringType::allocator_type& alloc = typename StringType::allocator_type()) -{ - auto temp = toUtf8(wString); - return fromUtf8(temp, alloc); -} - -template ::value && (sizeof(typename strT::value_type) == 1), bool>::type = false> -inline std::wstring toWChar(const strT& unicodeString) -{ - return fromUtf8(unicodeString); -} - -template ::value && (sizeof(typename strT::value_type) == 2), bool>::type = false> -inline std::wstring toWChar(const strT& unicodeString) -{ - return std::wstring(unicodeString.begin(), unicodeString.end()); -} - -template ::value && (sizeof(typename strT::value_type) == 4), bool>::type = false> -inline std::wstring toWChar(const strT& unicodeString) -{ - auto temp = toUtf8(unicodeString); - return fromUtf8(temp); -} - -template -inline std::wstring toWChar(const charT* unicodeString) -{ -#ifdef GHC_WITH_STRING_VIEW - return toWChar(basic_string_view>(unicodeString)); -#else - return toWChar(std::basic_string>(unicodeString)); -#endif -} -#endif // GHC_USE_WCHAR_T - -} // namespace detail - -#ifdef GHC_EXPAND_IMPL - -namespace detail { - -template ::value, bool>::type = true> -GHC_INLINE bool startsWith(const strT& what, const strT& with) -{ - return with.length() <= what.length() && equal(with.begin(), with.end(), what.begin()); -} - -template ::value, bool>::type = true> -GHC_INLINE bool endsWith(const strT& what, const strT& with) -{ - return with.length() <= what.length() && what.compare(what.length() - with.length(), with.size(), with) == 0; -} - -} // namespace detail - -GHC_INLINE void path::check_long_path() -{ -#if defined(GHC_OS_WINDOWS) && defined(GHC_WIN_AUTO_PREFIX_LONG_PATH) - if (is_absolute() && _path.length() >= MAX_PATH - 12 && !detail::startsWith(_path, impl_string_type(GHC_PLATFORM_LITERAL("\\\\?\\")))) { - postprocess_path_with_format(native_format); - } -#endif -} - -GHC_INLINE void path::postprocess_path_with_format(path::format fmt) -{ -#ifdef GHC_RAISE_UNICODE_ERRORS - if (!detail::validUtf8(_path)) { - path t; - t._path = _path; - throw filesystem_error("Illegal byte sequence for unicode character.", t, std::make_error_code(std::errc::illegal_byte_sequence)); - } -#endif - switch (fmt) { -#ifdef GHC_OS_WINDOWS - case path::native_format: - case path::auto_format: - case path::generic_format: - for (auto& c : _path) { - if (c == generic_separator) { - c = preferred_separator; - } - } -#ifdef GHC_WIN_AUTO_PREFIX_LONG_PATH - if (is_absolute() && _path.length() >= MAX_PATH - 12 && !detail::startsWith(_path, impl_string_type(GHC_PLATFORM_LITERAL("\\\\?\\")))) { - _path = GHC_PLATFORM_LITERAL("\\\\?\\") + _path; - } -#endif - handle_prefixes(); - break; -#else - case path::auto_format: - case path::native_format: - case path::generic_format: - // nothing to do - break; -#endif - } - if (_path.length() > _prefixLength + 2 && _path[_prefixLength] == preferred_separator && _path[_prefixLength + 1] == preferred_separator && _path[_prefixLength + 2] != preferred_separator) { - impl_string_type::iterator new_end = std::unique(_path.begin() + static_cast(_prefixLength) + 2, _path.end(), [](path::value_type lhs, path::value_type rhs) { return lhs == rhs && lhs == preferred_separator; }); - _path.erase(new_end, _path.end()); - } - else { - impl_string_type::iterator new_end = std::unique(_path.begin() + static_cast(_prefixLength), _path.end(), [](path::value_type lhs, path::value_type rhs) { return lhs == rhs && lhs == preferred_separator; }); - _path.erase(new_end, _path.end()); - } -} - -#endif // GHC_EXPAND_IMPL - -template -inline path::path(const Source& source, format fmt) -#ifdef GHC_USE_WCHAR_T - : _path(detail::toWChar(source)) -#else - : _path(detail::toUtf8(source)) -#endif -{ - postprocess_path_with_format(fmt); -} - -template -inline path u8path(const Source& source) -{ - return path(source); -} -template -inline path u8path(InputIterator first, InputIterator last) -{ - return path(first, last); -} - -template -inline path::path(InputIterator first, InputIterator last, format fmt) - : path(std::basic_string::value_type>(first, last), fmt) -{ - // delegated -} - -#ifdef GHC_EXPAND_IMPL - -namespace detail { - -GHC_INLINE bool equals_simple_insensitive(const path::value_type* str1, const path::value_type* str2) -{ -#ifdef GHC_OS_WINDOWS -#ifdef __GNUC__ - while (::tolower((unsigned char)*str1) == ::tolower((unsigned char)*str2++)) { - if (*str1++ == 0) - return true; - } - return false; -#else // __GNUC__ -#ifdef GHC_USE_WCHAR_T - return 0 == ::_wcsicmp(str1, str2); -#else // GHC_USE_WCHAR_T - return 0 == ::_stricmp(str1, str2); -#endif // GHC_USE_WCHAR_T -#endif // __GNUC__ -#else // GHC_OS_WINDOWS - return 0 == ::strcasecmp(str1, str2); -#endif // GHC_OS_WINDOWS -} - -GHC_INLINE int compare_simple_insensitive(const path::value_type* str1, size_t len1, const path::value_type* str2, size_t len2) -{ - while (len1 > 0 && len2 > 0 && ::tolower(static_cast(*str1)) == ::tolower(static_cast(*str2))) { - --len1; - --len2; - ++str1; - ++str2; - } - if (len1 && len2) { - return *str1 < *str2 ? -1 : 1; - } - if (len1 == 0 && len2 == 0) { - return 0; - } - return len1 == 0 ? -1 : 1; -} - -GHC_INLINE const char* strerror_adapter(char* gnu, char*) -{ - return gnu; -} - -GHC_INLINE const char* strerror_adapter(int posix, char* buffer) -{ - if (posix) { - return "Error in strerror_r!"; - } - return buffer; -} - -template -GHC_INLINE std::string systemErrorText(ErrorNumber code = 0) -{ -#if defined(GHC_OS_WINDOWS) - LPVOID msgBuf; - DWORD dw = code ? static_cast(code) : ::GetLastError(); - FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL, dw, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPWSTR)&msgBuf, 0, NULL); - std::string msg = toUtf8(std::wstring((LPWSTR)msgBuf)); - LocalFree(msgBuf); - return msg; -#else - char buffer[512]; - return strerror_adapter(strerror_r(code ? code : errno, buffer, sizeof(buffer)), buffer); -#endif -} - -#ifdef GHC_OS_WINDOWS -using CreateSymbolicLinkW_fp = BOOLEAN(WINAPI*)(LPCWSTR, LPCWSTR, DWORD); -using CreateHardLinkW_fp = BOOLEAN(WINAPI*)(LPCWSTR, LPCWSTR, LPSECURITY_ATTRIBUTES); - -GHC_INLINE void create_symlink(const path& target_name, const path& new_symlink, bool to_directory, std::error_code& ec) -{ - std::error_code tec; - auto fs = status(target_name, tec); - if ((fs.type() == file_type::directory && !to_directory) || (fs.type() == file_type::regular && to_directory)) { - ec = detail::make_error_code(detail::portable_error::not_supported); - return; - } -#if defined(__GNUC__) && __GNUC__ >= 8 -#pragma GCC diagnostic push -#pragma GCC diagnostic ignored "-Wcast-function-type" -#endif - static CreateSymbolicLinkW_fp api_call = reinterpret_cast(GetProcAddress(GetModuleHandleW(L"kernel32.dll"), "CreateSymbolicLinkW")); -#if defined(__GNUC__) && __GNUC__ >= 8 -#pragma GCC diagnostic pop -#endif - if (api_call) { - if (api_call(GHC_NATIVEWP(new_symlink), GHC_NATIVEWP(target_name), to_directory ? 1 : 0) == 0) { - auto result = ::GetLastError(); - if (result == ERROR_PRIVILEGE_NOT_HELD && api_call(GHC_NATIVEWP(new_symlink), GHC_NATIVEWP(target_name), to_directory ? 3 : 2) != 0) { - return; - } - ec = detail::make_system_error(result); - } - } - else { - ec = detail::make_system_error(ERROR_NOT_SUPPORTED); - } -} - -GHC_INLINE void create_hardlink(const path& target_name, const path& new_hardlink, std::error_code& ec) -{ -#if defined(__GNUC__) && __GNUC__ >= 8 -#pragma GCC diagnostic push -#pragma GCC diagnostic ignored "-Wcast-function-type" -#endif - static CreateHardLinkW_fp api_call = reinterpret_cast(GetProcAddress(GetModuleHandleW(L"kernel32.dll"), "CreateHardLinkW")); -#if defined(__GNUC__) && __GNUC__ >= 8 -#pragma GCC diagnostic pop -#endif - if (api_call) { - if (api_call(GHC_NATIVEWP(new_hardlink), GHC_NATIVEWP(target_name), NULL) == 0) { - ec = detail::make_system_error(); - } - } - else { - ec = detail::make_system_error(ERROR_NOT_SUPPORTED); - } -} - -GHC_INLINE path getFullPathName(const wchar_t* p, std::error_code& ec) -{ - ULONG size = ::GetFullPathNameW(p, 0, 0, 0); - if (size) { - std::vector buf(size, 0); - ULONG s2 = GetFullPathNameW(p, size, buf.data(), nullptr); - if (s2 && s2 < size) { - return path(std::wstring(buf.data(), s2)); - } - } - ec = detail::make_system_error(); - return path(); -} - -#else -GHC_INLINE void create_symlink(const path& target_name, const path& new_symlink, bool, std::error_code& ec) -{ - if (::symlink(target_name.c_str(), new_symlink.c_str()) != 0) { - ec = detail::make_system_error(); - } -} - -#ifndef GHC_OS_WEB -GHC_INLINE void create_hardlink(const path& target_name, const path& new_hardlink, std::error_code& ec) -{ - if (::link(target_name.c_str(), new_hardlink.c_str()) != 0) { - ec = detail::make_system_error(); - } -} -#endif -#endif - -template -GHC_INLINE file_status file_status_from_st_mode(T mode) -{ -#ifdef GHC_OS_WINDOWS - file_type ft = file_type::unknown; - if ((mode & _S_IFDIR) == _S_IFDIR) { - ft = file_type::directory; - } - else if ((mode & _S_IFREG) == _S_IFREG) { - ft = file_type::regular; - } - else if ((mode & _S_IFCHR) == _S_IFCHR) { - ft = file_type::character; - } - perms prms = static_cast(mode & 0xfff); - return file_status(ft, prms); -#else - file_type ft = file_type::unknown; - if (S_ISDIR(mode)) { - ft = file_type::directory; - } - else if (S_ISREG(mode)) { - ft = file_type::regular; - } - else if (S_ISCHR(mode)) { - ft = file_type::character; - } - else if (S_ISBLK(mode)) { - ft = file_type::block; - } - else if (S_ISFIFO(mode)) { - ft = file_type::fifo; - } - else if (S_ISLNK(mode)) { - ft = file_type::symlink; - } - else if (S_ISSOCK(mode)) { - ft = file_type::socket; - } - perms prms = static_cast(mode & 0xfff); - return file_status(ft, prms); -#endif -} - -#ifdef GHC_OS_WINDOWS -#ifndef REPARSE_DATA_BUFFER_HEADER_SIZE -typedef struct _REPARSE_DATA_BUFFER -{ - ULONG ReparseTag; - USHORT ReparseDataLength; - USHORT Reserved; - union - { - struct - { - USHORT SubstituteNameOffset; - USHORT SubstituteNameLength; - USHORT PrintNameOffset; - USHORT PrintNameLength; - ULONG Flags; - WCHAR PathBuffer[1]; - } SymbolicLinkReparseBuffer; - struct - { - USHORT SubstituteNameOffset; - USHORT SubstituteNameLength; - USHORT PrintNameOffset; - USHORT PrintNameLength; - WCHAR PathBuffer[1]; - } MountPointReparseBuffer; - struct - { - UCHAR DataBuffer[1]; - } GenericReparseBuffer; - } DUMMYUNIONNAME; -} REPARSE_DATA_BUFFER; -#ifndef MAXIMUM_REPARSE_DATA_BUFFER_SIZE -#define MAXIMUM_REPARSE_DATA_BUFFER_SIZE (16 * 1024) -#endif -#endif - -GHC_INLINE std::shared_ptr getReparseData(const path& p, std::error_code& ec) -{ - std::shared_ptr file(CreateFileW(GHC_NATIVEWP(p), 0, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, 0, OPEN_EXISTING, FILE_FLAG_OPEN_REPARSE_POINT | FILE_FLAG_BACKUP_SEMANTICS, 0), CloseHandle); - if (file.get() == INVALID_HANDLE_VALUE) { - ec = detail::make_system_error(); - return nullptr; - } - - std::shared_ptr reparseData((REPARSE_DATA_BUFFER*)std::calloc(1, MAXIMUM_REPARSE_DATA_BUFFER_SIZE), std::free); - ULONG bufferUsed; - if (DeviceIoControl(file.get(), FSCTL_GET_REPARSE_POINT, 0, 0, reparseData.get(), MAXIMUM_REPARSE_DATA_BUFFER_SIZE, &bufferUsed, 0)) { - return reparseData; - } - else { - ec = detail::make_system_error(); - } - return nullptr; -} -#endif - -GHC_INLINE path resolveSymlink(const path& p, std::error_code& ec) -{ -#ifdef GHC_OS_WINDOWS - path result; - auto reparseData = detail::getReparseData(p, ec); - if (!ec) { - if (reparseData && IsReparseTagMicrosoft(reparseData->ReparseTag)) { - switch (reparseData->ReparseTag) { - case IO_REPARSE_TAG_SYMLINK: { - auto printName = std::wstring(&reparseData->SymbolicLinkReparseBuffer.PathBuffer[reparseData->SymbolicLinkReparseBuffer.PrintNameOffset / sizeof(WCHAR)], reparseData->SymbolicLinkReparseBuffer.PrintNameLength / sizeof(WCHAR)); - auto substituteName = - std::wstring(&reparseData->SymbolicLinkReparseBuffer.PathBuffer[reparseData->SymbolicLinkReparseBuffer.SubstituteNameOffset / sizeof(WCHAR)], reparseData->SymbolicLinkReparseBuffer.SubstituteNameLength / sizeof(WCHAR)); - if (detail::endsWith(substituteName, printName) && detail::startsWith(substituteName, std::wstring(L"\\??\\"))) { - result = printName; - } - else { - result = substituteName; - } - if (reparseData->SymbolicLinkReparseBuffer.Flags & 0x1 /*SYMLINK_FLAG_RELATIVE*/) { - result = p.parent_path() / result; - } - break; - } - case IO_REPARSE_TAG_MOUNT_POINT: - result = detail::getFullPathName(GHC_NATIVEWP(p), ec); - //result = std::wstring(&reparseData->MountPointReparseBuffer.PathBuffer[reparseData->MountPointReparseBuffer.SubstituteNameOffset / sizeof(WCHAR)], reparseData->MountPointReparseBuffer.SubstituteNameLength / sizeof(WCHAR)); - break; - default: - break; - } - } - } - return result; -#else - size_t bufferSize = 256; - while (true) { - std::vector buffer(bufferSize, static_cast(0)); - auto rc = ::readlink(p.c_str(), buffer.data(), buffer.size()); - if (rc < 0) { - ec = detail::make_system_error(); - return path(); - } - else if (rc < static_cast(bufferSize)) { - return path(std::string(buffer.data(), static_cast(rc))); - } - bufferSize *= 2; - } - return path(); -#endif -} - -#ifdef GHC_OS_WINDOWS -GHC_INLINE time_t timeFromFILETIME(const FILETIME& ft) -{ - ULARGE_INTEGER ull; - ull.LowPart = ft.dwLowDateTime; - ull.HighPart = ft.dwHighDateTime; - return static_cast(ull.QuadPart / 10000000ULL - 11644473600ULL); -} - -GHC_INLINE void timeToFILETIME(time_t t, FILETIME& ft) -{ - LONGLONG ll; - ll = Int32x32To64(t, 10000000) + 116444736000000000; - ft.dwLowDateTime = static_cast(ll); - ft.dwHighDateTime = static_cast(ll >> 32); -} - -template -GHC_INLINE uintmax_t hard_links_from_INFO(const INFO* info) -{ - return static_cast(-1); -} - -template <> -GHC_INLINE uintmax_t hard_links_from_INFO(const BY_HANDLE_FILE_INFORMATION* info) -{ - return info->nNumberOfLinks; -} - -template -GHC_INLINE DWORD reparse_tag_from_INFO(const INFO*) -{ - return 0; -} - -template <> -GHC_INLINE DWORD reparse_tag_from_INFO(const WIN32_FIND_DATAW* info) -{ - return info->dwReserved0; -} - -template -GHC_INLINE file_status status_from_INFO(const path& p, const INFO* info, std::error_code& ec, uintmax_t* sz = nullptr, time_t* lwt = nullptr) -{ - file_type ft = file_type::unknown; - if (sizeof(INFO) == sizeof(WIN32_FIND_DATAW)) { - if (detail::reparse_tag_from_INFO(info) == IO_REPARSE_TAG_SYMLINK) { - ft = file_type::symlink; - } - } - else { - if ((info->dwFileAttributes & FILE_ATTRIBUTE_REPARSE_POINT)) { - auto reparseData = detail::getReparseData(p, ec); - if (!ec && reparseData && IsReparseTagMicrosoft(reparseData->ReparseTag) && reparseData->ReparseTag == IO_REPARSE_TAG_SYMLINK) { - ft = file_type::symlink; - } - } - } - if (ft == file_type::unknown) { - if ((info->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)) { - ft = file_type::directory; - } - else { - ft = file_type::regular; - } - } - perms prms = perms::owner_read | perms::group_read | perms::others_read; - if (!(info->dwFileAttributes & FILE_ATTRIBUTE_READONLY)) { - prms = prms | perms::owner_write | perms::group_write | perms::others_write; - } - if (has_executable_extension(p)) { - prms = prms | perms::owner_exec | perms::group_exec | perms::others_exec; - } - if (sz) { - *sz = static_cast(info->nFileSizeHigh) << (sizeof(info->nFileSizeHigh) * 8) | info->nFileSizeLow; - } - if (lwt) { - *lwt = detail::timeFromFILETIME(info->ftLastWriteTime); - } - return file_status(ft, prms); -} - -#endif - -GHC_INLINE bool is_not_found_error(std::error_code& ec) -{ -#ifdef GHC_OS_WINDOWS - return ec.value() == ERROR_FILE_NOT_FOUND || ec.value() == ERROR_PATH_NOT_FOUND || ec.value() == ERROR_INVALID_NAME; -#else - return ec.value() == ENOENT || ec.value() == ENOTDIR; -#endif -} - -GHC_INLINE file_status symlink_status_ex(const path& p, std::error_code& ec, uintmax_t* sz = nullptr, uintmax_t* nhl = nullptr, time_t* lwt = nullptr) noexcept -{ -#ifdef GHC_OS_WINDOWS - file_status fs; - WIN32_FILE_ATTRIBUTE_DATA attr; - if (!GetFileAttributesExW(GHC_NATIVEWP(p), GetFileExInfoStandard, &attr)) { - ec = detail::make_system_error(); - } - else { - ec.clear(); - fs = detail::status_from_INFO(p, &attr, ec, sz, lwt); - if (nhl) { - *nhl = 0; - } - } - if (detail::is_not_found_error(ec)) { - return file_status(file_type::not_found); - } - return ec ? file_status(file_type::none) : fs; -#else - (void)sz; - (void)nhl; - (void)lwt; - struct ::stat fs; - auto result = ::lstat(p.c_str(), &fs); - if (result == 0) { - ec.clear(); - file_status f_s = detail::file_status_from_st_mode(fs.st_mode); - return f_s; - } - ec = detail::make_system_error(); - if (detail::is_not_found_error(ec)) { - return file_status(file_type::not_found, perms::unknown); - } - return file_status(file_type::none); -#endif -} - -GHC_INLINE file_status status_ex(const path& p, std::error_code& ec, file_status* sls = nullptr, uintmax_t* sz = nullptr, uintmax_t* nhl = nullptr, time_t* lwt = nullptr, int recurse_count = 0) noexcept -{ - ec.clear(); -#ifdef GHC_OS_WINDOWS - if (recurse_count > 16) { - ec = detail::make_system_error(0x2A9 /*ERROR_STOPPED_ON_SYMLINK*/); - return file_status(file_type::unknown); - } - WIN32_FILE_ATTRIBUTE_DATA attr; - if (!::GetFileAttributesExW(GHC_NATIVEWP(p), GetFileExInfoStandard, &attr)) { - ec = detail::make_system_error(); - } - else if (attr.dwFileAttributes & FILE_ATTRIBUTE_REPARSE_POINT) { - auto reparseData = detail::getReparseData(p, ec); - if (!ec && reparseData && IsReparseTagMicrosoft(reparseData->ReparseTag) && reparseData->ReparseTag == IO_REPARSE_TAG_SYMLINK) { - path target = resolveSymlink(p, ec); - file_status result; - if (!ec && !target.empty()) { - if (sls) { - *sls = status_from_INFO(p, &attr, ec); - } - return detail::status_ex(target, ec, nullptr, sz, nhl, lwt, recurse_count + 1); - } - return file_status(file_type::unknown); - } - } - if (ec) { - if (detail::is_not_found_error(ec)) { - return file_status(file_type::not_found); - } - return file_status(file_type::none); - } - if (nhl) { - *nhl = 0; - } - return detail::status_from_INFO(p, &attr, ec, sz, lwt); -#else - (void)recurse_count; - struct ::stat st; - auto result = ::lstat(p.c_str(), &st); - if (result == 0) { - ec.clear(); - file_status fs = detail::file_status_from_st_mode(st.st_mode); - if (sls) { - *sls = fs; - } - if (fs.type() == file_type::symlink) { - result = ::stat(p.c_str(), &st); - if (result == 0) { - fs = detail::file_status_from_st_mode(st.st_mode); - } - else { - ec = detail::make_system_error(); - if (detail::is_not_found_error(ec)) { - return file_status(file_type::not_found, perms::unknown); - } - return file_status(file_type::none); - } - } - if (sz) { - *sz = static_cast(st.st_size); - } - if (nhl) { - *nhl = st.st_nlink; - } - if (lwt) { - *lwt = st.st_mtime; - } - return fs; - } - else { - ec = detail::make_system_error(); - if (detail::is_not_found_error(ec)) { - return file_status(file_type::not_found, perms::unknown); - } - return file_status(file_type::none); - } -#endif -} - -} // namespace detail - -GHC_INLINE u8arguments::u8arguments(int& argc, char**& argv) - : _argc(argc) - , _argv(argv) - , _refargc(argc) - , _refargv(argv) - , _isvalid(false) -{ -#ifdef GHC_OS_WINDOWS - LPWSTR* p; - p = ::CommandLineToArgvW(::GetCommandLineW(), &argc); - _args.reserve(static_cast(argc)); - _argp.reserve(static_cast(argc)); - for (size_t i = 0; i < static_cast(argc); ++i) { - _args.push_back(detail::toUtf8(std::wstring(p[i]))); - _argp.push_back((char*)_args[i].data()); - } - argv = _argp.data(); - ::LocalFree(p); - _isvalid = true; -#else - std::setlocale(LC_ALL, ""); -#if defined(__ANDROID__) && __ANDROID_API__ < 26 - _isvalid = true; -#else - if (detail::equals_simple_insensitive(::nl_langinfo(CODESET), "UTF-8")) { - _isvalid = true; - } -#endif -#endif -} - -//----------------------------------------------------------------------------- -// [fs.path.construct] constructors and destructor - -GHC_INLINE path::path() noexcept {} - -GHC_INLINE path::path(const path& p) - : _path(p._path) -#if defined(GHC_OS_WINDOWS) && defined(GHC_WIN_AUTO_PREFIX_LONG_PATH) - , _prefixLength(p._prefixLength) -#endif -{ -} - -GHC_INLINE path::path(path&& p) noexcept - : _path(std::move(p._path)) -#if defined(GHC_OS_WINDOWS) && defined(GHC_WIN_AUTO_PREFIX_LONG_PATH) - , _prefixLength(p._prefixLength) -#endif -{ -} - -GHC_INLINE path::path(string_type&& source, format fmt) - : _path(std::move(source)) -{ - postprocess_path_with_format(fmt); -} - -#endif // GHC_EXPAND_IMPL - -#ifdef GHC_WITH_EXCEPTIONS -template -inline path::path(const Source& source, const std::locale& loc, format fmt) - : path(source, fmt) -{ - std::string locName = loc.name(); - if (!(locName.length() >= 5 && (locName.substr(locName.length() - 5) == "UTF-8" || locName.substr(locName.length() - 5) == "utf-8"))) { - throw filesystem_error("This implementation only supports UTF-8 locales!", path(_path), detail::make_error_code(detail::portable_error::not_supported)); - } -} - -template -inline path::path(InputIterator first, InputIterator last, const std::locale& loc, format fmt) - : path(std::basic_string::value_type>(first, last), fmt) -{ - std::string locName = loc.name(); - if (!(locName.length() >= 5 && (locName.substr(locName.length() - 5) == "UTF-8" || locName.substr(locName.length() - 5) == "utf-8"))) { - throw filesystem_error("This implementation only supports UTF-8 locales!", path(_path), detail::make_error_code(detail::portable_error::not_supported)); - } -} -#endif - -#ifdef GHC_EXPAND_IMPL - -GHC_INLINE path::~path() {} - -//----------------------------------------------------------------------------- -// [fs.path.assign] assignments - -GHC_INLINE path& path::operator=(const path& p) -{ - _path = p._path; -#if defined(GHC_OS_WINDOWS) && defined(GHC_WIN_AUTO_PREFIX_LONG_PATH) - _prefixLength = p._prefixLength; -#endif - return *this; -} - -GHC_INLINE path& path::operator=(path&& p) noexcept -{ - _path = std::move(p._path); -#if defined(GHC_OS_WINDOWS) && defined(GHC_WIN_AUTO_PREFIX_LONG_PATH) - _prefixLength = p._prefixLength; -#endif - return *this; -} - -GHC_INLINE path& path::operator=(path::string_type&& source) -{ - return assign(source); -} - -GHC_INLINE path& path::assign(path::string_type&& source) -{ - _path = std::move(source); - postprocess_path_with_format(native_format); - return *this; -} - -#endif // GHC_EXPAND_IMPL - -template -inline path& path::operator=(const Source& source) -{ - return assign(source); -} - -template -inline path& path::assign(const Source& source) -{ -#ifdef GHC_USE_WCHAR_T - _path.assign(detail::toWChar(source)); -#else - _path.assign(detail::toUtf8(source)); -#endif - postprocess_path_with_format(native_format); - return *this; -} - -template <> -inline path& path::assign(const path& source) -{ - _path = source._path; -#if defined(GHC_OS_WINDOWS) && defined(GHC_WIN_AUTO_PREFIX_LONG_PATH) - _prefixLength = source._prefixLength; -#endif - return *this; -} - -template -inline path& path::assign(InputIterator first, InputIterator last) -{ - _path.assign(first, last); - postprocess_path_with_format(native_format); - return *this; -} - -#ifdef GHC_EXPAND_IMPL - -//----------------------------------------------------------------------------- -// [fs.path.append] appends - -GHC_INLINE path& path::operator/=(const path& p) -{ - if (p.empty()) { - // was: if ((!has_root_directory() && is_absolute()) || has_filename()) - if (!_path.empty() && _path[_path.length() - 1] != preferred_separator && _path[_path.length() - 1] != ':') { - _path += preferred_separator; - } - return *this; - } - if ((p.is_absolute() && (_path != root_name()._path || p._path != "/")) || (p.has_root_name() && p.root_name() != root_name())) { - assign(p); - return *this; - } - if (p.has_root_directory()) { - assign(root_name()); - } - else if ((!has_root_directory() && is_absolute()) || has_filename()) { - _path += preferred_separator; - } - auto iter = p.begin(); - bool first = true; - if (p.has_root_name()) { - ++iter; - } - while (iter != p.end()) { - if (!first && !(!_path.empty() && _path[_path.length() - 1] == preferred_separator)) { - _path += preferred_separator; - } - first = false; - _path += (*iter++).native(); - } - check_long_path(); - return *this; -} - -GHC_INLINE void path::append_name(const value_type* name) -{ - if (_path.empty()) { - this->operator/=(path(name)); - } - else { - if (_path.back() != path::preferred_separator) { - _path.push_back(path::preferred_separator); - } - _path += name; - check_long_path(); - } -} - -#endif // GHC_EXPAND_IMPL - -template -inline path& path::operator/=(const Source& source) -{ - return append(source); -} - -template -inline path& path::append(const Source& source) -{ - return this->operator/=(path(source)); -} - -template <> -inline path& path::append(const path& p) -{ - return this->operator/=(p); -} - -template -inline path& path::append(InputIterator first, InputIterator last) -{ - std::basic_string::value_type> part(first, last); - return append(part); -} - -#ifdef GHC_EXPAND_IMPL - -//----------------------------------------------------------------------------- -// [fs.path.concat] concatenation - -GHC_INLINE path& path::operator+=(const path& x) -{ - return concat(x._path); -} - -GHC_INLINE path& path::operator+=(const string_type& x) -{ - return concat(x); -} - -#ifdef GHC_WITH_STRING_VIEW -GHC_INLINE path& path::operator+=(basic_string_view x) -{ - return concat(x); -} -#endif - -GHC_INLINE path& path::operator+=(const value_type* x) -{ -#ifdef GHC_WITH_STRING_VIEW - basic_string_view part(x); -#else - string_type part(x); -#endif - return concat(part); -} - -GHC_INLINE path& path::operator+=(value_type x) -{ -#ifdef GHC_OS_WINDOWS - if (x == generic_separator) { - x = preferred_separator; - } -#endif - if (_path.empty() || _path.back() != preferred_separator) { - _path += x; - } - check_long_path(); - return *this; -} - -#endif // GHC_EXPAND_IMPL - -template -inline path::path_from_string& path::operator+=(const Source& x) -{ - return concat(x); -} - -template -inline path::path_type_EcharT& path::operator+=(EcharT x) -{ -#ifdef GHC_WITH_STRING_VIEW - basic_string_view part(&x, 1); -#else - std::basic_string part(1, x); -#endif - concat(part); - return *this; -} - -template -inline path& path::concat(const Source& x) -{ - path p(x); - _path += p._path; - postprocess_path_with_format(native_format); - return *this; -} -template -inline path& path::concat(InputIterator first, InputIterator last) -{ - _path.append(first, last); - postprocess_path_with_format(native_format); - return *this; -} - -#ifdef GHC_EXPAND_IMPL - -//----------------------------------------------------------------------------- -// [fs.path.modifiers] modifiers -GHC_INLINE void path::clear() noexcept -{ - _path.clear(); -#if defined(GHC_OS_WINDOWS) && defined(GHC_WIN_AUTO_PREFIX_LONG_PATH) - _prefixLength = 0; -#endif -} - -GHC_INLINE path& path::make_preferred() -{ - // as this filesystem implementation only uses generic_format - // internally, this must be a no-op - return *this; -} - -GHC_INLINE path& path::remove_filename() -{ - if (has_filename()) { - _path.erase(_path.size() - filename()._path.size()); - } - return *this; -} - -GHC_INLINE path& path::replace_filename(const path& replacement) -{ - remove_filename(); - return append(replacement); -} - -GHC_INLINE path& path::replace_extension(const path& replacement) -{ - if (has_extension()) { - _path.erase(_path.size() - extension()._path.size()); - } - if (!replacement.empty() && replacement._path[0] != '.') { - _path += '.'; - } - return concat(replacement); -} - -GHC_INLINE void path::swap(path& rhs) noexcept -{ - _path.swap(rhs._path); -#if defined(GHC_OS_WINDOWS) && defined(GHC_WIN_AUTO_PREFIX_LONG_PATH) - std::swap(_prefixLength, rhs._prefixLength); -#endif -} - -//----------------------------------------------------------------------------- -// [fs.path.native.obs] native format observers -GHC_INLINE const path::string_type& path::native() const noexcept -{ - return _path; -} - -GHC_INLINE const path::value_type* path::c_str() const noexcept -{ - return native().c_str(); -} - -GHC_INLINE path::operator path::string_type() const -{ - return native(); -} - -#endif // GHC_EXPAND_IMPL - -template -inline std::basic_string path::string(const Allocator& a) const -{ -#ifdef GHC_USE_WCHAR_T - return detail::fromWChar>(_path, a); -#else - return detail::fromUtf8>(_path, a); -#endif -} - -#ifdef GHC_EXPAND_IMPL - -GHC_INLINE std::string path::string() const -{ -#ifdef GHC_USE_WCHAR_T - return detail::toUtf8(native()); -#else - return native(); -#endif -} - -GHC_INLINE std::wstring path::wstring() const -{ -#ifdef GHC_USE_WCHAR_T - return native(); -#else - return detail::fromUtf8(native()); -#endif -} - -#if defined(__cpp_lib_char8_t) && !defined(GHC_FILESYSTEM_ENFORCE_CPP17_API) -GHC_INLINE std::u8string path::u8string() const -{ -#ifdef GHC_USE_WCHAR_T - return std::u8string(reinterpret_cast(detail::toUtf8(native()).c_str())); -#else - return std::u8string(reinterpret_cast(c_str())); -#endif -} -#else -GHC_INLINE std::string path::u8string() const -{ -#ifdef GHC_USE_WCHAR_T - return detail::toUtf8(native()); -#else - return native(); -#endif -} -#endif - -GHC_INLINE std::u16string path::u16string() const -{ - // TODO: optimize - return detail::fromUtf8(string()); -} - -GHC_INLINE std::u32string path::u32string() const -{ - // TODO: optimize - return detail::fromUtf8(string()); -} - -#endif // GHC_EXPAND_IMPL - -//----------------------------------------------------------------------------- -// [fs.path.generic.obs] generic format observers -template -inline std::basic_string path::generic_string(const Allocator& a) const -{ -#ifdef GHC_OS_WINDOWS -#ifdef GHC_USE_WCHAR_T - auto result = detail::fromWChar, path::string_type>(_path, a); -#else - auto result = detail::fromUtf8>(_path, a); -#endif - for (auto& c : result) { - if (c == preferred_separator) { - c = generic_separator; - } - } - return result; -#else - return detail::fromUtf8>(_path, a); -#endif -} - -#ifdef GHC_EXPAND_IMPL - -GHC_INLINE std::string path::generic_string() const -{ -#ifdef GHC_OS_WINDOWS - return generic_string(); -#else - return _path; -#endif -} - -GHC_INLINE std::wstring path::generic_wstring() const -{ -#ifdef GHC_OS_WINDOWS - return generic_string(); -#else - return detail::fromUtf8(_path); -#endif -} // namespace filesystem - -#if defined(__cpp_lib_char8_t) && !defined(GHC_FILESYSTEM_ENFORCE_CPP17_API) -GHC_INLINE std::u8string path::generic_u8string() const -{ -#ifdef GHC_OS_WINDOWS - return generic_string(); -#else - return std::u8string(reinterpret_cast(_path.c_str())); -#endif -} -#else -GHC_INLINE std::string path::generic_u8string() const -{ -#ifdef GHC_OS_WINDOWS - return generic_string(); -#else - return _path; -#endif -} -#endif - -GHC_INLINE std::u16string path::generic_u16string() const -{ -#ifdef GHC_OS_WINDOWS - return generic_string(); -#else - return detail::fromUtf8(_path); -#endif -} - -GHC_INLINE std::u32string path::generic_u32string() const -{ -#ifdef GHC_OS_WINDOWS - return generic_string(); -#else - return detail::fromUtf8(_path); -#endif -} - -//----------------------------------------------------------------------------- -// [fs.path.compare] compare -GHC_INLINE int path::compare(const path& p) const noexcept -{ -#ifdef LWG_2936_BEHAVIOUR - auto rnl1 = root_name_length(); - auto rnl2 = p.root_name_length(); -#ifdef GHC_OS_WINDOWS - auto rnc = detail::compare_simple_insensitive(_path.c_str(), rnl1, p._path.c_str(), rnl2); -#else - auto rnc = _path.compare(0, rnl1, p._path, 0, (std::min(rnl1, rnl2))); -#endif - if (rnc) { - return rnc; - } - bool hrd1 = has_root_directory(), hrd2 = p.has_root_directory(); - if (hrd1 != hrd2) { - return hrd1 ? 1 : -1; - } - if (hrd1) { - ++rnl1; - ++rnl2; - } - auto iter1 = _path.begin() + static_cast(rnl1); - auto iter2 = p._path.begin() + static_cast(rnl2); - while (iter1 != _path.end() && iter2 != p._path.end() && *iter1 == *iter2) { - ++iter1; - ++iter2; - } - if (iter1 == _path.end()) { - return iter2 == p._path.end() ? 0 : -1; - } - if (iter2 == p._path.end()) { - return 1; - } - if (*iter1 == preferred_separator) { - return -1; - } - if (*iter2 == preferred_separator) { - return 1; - } - return *iter1 < *iter2 ? -1 : 1; -#else // LWG_2936_BEHAVIOUR -#ifdef GHC_OS_WINDOWS - auto rnl1 = root_name_length(); - auto rnl2 = p.root_name_length(); - auto rnc = detail::compare_simple_insensitive(_path.c_str(), rnl1, p._path.c_str(), rnl2); - if (rnc) { - return rnc; - } - return _path.compare(rnl1, std::string::npos, p._path, rnl2, std::string::npos); -#else - return _path.compare(p._path); -#endif -#endif -} - -GHC_INLINE int path::compare(const string_type& s) const -{ - return compare(path(s)); -} - -#ifdef GHC_WITH_STRING_VIEW -GHC_INLINE int path::compare(basic_string_view s) const -{ - return compare(path(s)); -} -#endif - -GHC_INLINE int path::compare(const value_type* s) const -{ - return compare(path(s)); -} - -//----------------------------------------------------------------------------- -// [fs.path.decompose] decomposition -#ifdef GHC_OS_WINDOWS -GHC_INLINE void path::handle_prefixes() -{ -#if defined(GHC_WIN_AUTO_PREFIX_LONG_PATH) - _prefixLength = 0; - if (_path.length() >= 6 && _path[2] == '?' && std::toupper(static_cast(_path[4])) >= 'A' && std::toupper(static_cast(_path[4])) <= 'Z' && _path[5] == ':') { - if (detail::startsWith(_path, impl_string_type(GHC_PLATFORM_LITERAL("\\\\?\\"))) || detail::startsWith(_path, impl_string_type(GHC_PLATFORM_LITERAL("\\??\\")))) { - _prefixLength = 4; - } - } -#endif // GHC_WIN_AUTO_PREFIX_LONG_PATH -} -#endif - -GHC_INLINE path::string_type::size_type path::root_name_length() const noexcept -{ -#ifdef GHC_OS_WINDOWS - if (_path.length() >= _prefixLength + 2 && std::toupper(static_cast(_path[_prefixLength])) >= 'A' && std::toupper(static_cast(_path[_prefixLength])) <= 'Z' && _path[_prefixLength + 1] == ':') { - return 2; - } -#endif - if (_path.length() > _prefixLength + 2 && _path[_prefixLength] == preferred_separator && _path[_prefixLength + 1] == preferred_separator && _path[_prefixLength + 2] != preferred_separator && std::isprint(_path[_prefixLength + 2])) { - impl_string_type::size_type pos = _path.find(preferred_separator, _prefixLength + 3); - if (pos == impl_string_type::npos) { - return _path.length(); - } - else { - return pos; - } - } - return 0; -} - -GHC_INLINE path path::root_name() const -{ - return path(_path.substr(_prefixLength, root_name_length()), native_format); -} - -GHC_INLINE path path::root_directory() const -{ - if (has_root_directory()) { - static const path _root_dir(std::string(1, preferred_separator), native_format); - return _root_dir; - } - return path(); -} - -GHC_INLINE path path::root_path() const -{ - return path(root_name().string() + root_directory().string(), native_format); -} - -GHC_INLINE path path::relative_path() const -{ - auto rootPathLen = _prefixLength + root_name_length() + (has_root_directory() ? 1 : 0); - return path(_path.substr((std::min)(rootPathLen, _path.length())), generic_format); -} - -GHC_INLINE path path::parent_path() const -{ - auto rootPathLen = _prefixLength + root_name_length() + (has_root_directory() ? 1 : 0); - if (rootPathLen < _path.length()) { - if (empty()) { - return path(); - } - else { - auto piter = end(); - auto iter = piter.decrement(_path.end()); - if (iter > _path.begin() + static_cast(rootPathLen) && *iter != preferred_separator) { - --iter; - } - return path(_path.begin(), iter, native_format); - } - } - else { - return *this; - } -} - -GHC_INLINE path path::filename() const -{ - return !has_relative_path() ? path() : path(*--end()); -} - -GHC_INLINE path path::stem() const -{ - impl_string_type fn = filename().native(); - if (fn != "." && fn != "..") { - impl_string_type::size_type pos = fn.rfind('.'); - if (pos != impl_string_type::npos && pos > 0) { - return path{fn.substr(0, pos), native_format}; - } - } - return path{fn, native_format}; -} - -GHC_INLINE path path::extension() const -{ - if (has_relative_path()) { - auto iter = end(); - const auto& fn = *--iter; - impl_string_type::size_type pos = fn._path.rfind('.'); - if (pos != std::string::npos && pos > 0) { - return path(fn._path.substr(pos), native_format); - } - } - return path(); -} - -#ifdef GHC_OS_WINDOWS -namespace detail { -GHC_INLINE bool has_executable_extension(const path& p) -{ - if (p.has_relative_path()) { - auto iter = p.end(); - const auto& fn = *--iter; - auto pos = fn._path.find_last_of('.'); - if (pos == std::string::npos || pos == 0 || fn._path.length() - pos != 3) { - return false; - } - const path::value_type* ext = fn._path.c_str() + pos + 1; - if (detail::equals_simple_insensitive(ext, GHC_PLATFORM_LITERAL("exe")) || detail::equals_simple_insensitive(ext, GHC_PLATFORM_LITERAL("cmd")) || detail::equals_simple_insensitive(ext, GHC_PLATFORM_LITERAL("bat")) || detail::equals_simple_insensitive(ext, GHC_PLATFORM_LITERAL("com"))) { - return true; - } - } - return false; -} -} // namespace detail -#endif - -//----------------------------------------------------------------------------- -// [fs.path.query] query -GHC_INLINE bool path::empty() const noexcept -{ - return _path.empty(); -} - -GHC_INLINE bool path::has_root_name() const -{ - return root_name_length() > 0; -} - -GHC_INLINE bool path::has_root_directory() const -{ - auto rootLen = _prefixLength + root_name_length(); - return (_path.length() > rootLen && _path[rootLen] == preferred_separator); -} - -GHC_INLINE bool path::has_root_path() const -{ - return has_root_name() || has_root_directory(); -} - -GHC_INLINE bool path::has_relative_path() const -{ - auto rootPathLen = _prefixLength + root_name_length() + (has_root_directory() ? 1 : 0); - return rootPathLen < _path.length(); -} - -GHC_INLINE bool path::has_parent_path() const -{ - return !parent_path().empty(); -} - -GHC_INLINE bool path::has_filename() const -{ - return has_relative_path() && !filename().empty(); -} - -GHC_INLINE bool path::has_stem() const -{ - return !stem().empty(); -} - -GHC_INLINE bool path::has_extension() const -{ - return !extension().empty(); -} - -GHC_INLINE bool path::is_absolute() const -{ -#ifdef GHC_OS_WINDOWS - return has_root_name() && has_root_directory(); -#else - return has_root_directory(); -#endif -} - -GHC_INLINE bool path::is_relative() const -{ - return !is_absolute(); -} - -//----------------------------------------------------------------------------- -// [fs.path.gen] generation -GHC_INLINE path path::lexically_normal() const -{ - path dest; - bool lastDotDot = false; - for (string_type s : *this) { - if (s == ".") { - dest /= ""; - continue; - } - else if (s == ".." && !dest.empty()) { - auto root = root_path(); - if (dest == root) { - continue; - } - else if (*(--dest.end()) != "..") { - if (dest._path.back() == preferred_separator) { - dest._path.pop_back(); - } - dest.remove_filename(); - continue; - } - } - if (!(s.empty() && lastDotDot)) { - dest /= s; - } - lastDotDot = s == ".."; - } - if (dest.empty()) { - dest = "."; - } - return dest; -} - -GHC_INLINE path path::lexically_relative(const path& base) const -{ - if (root_name() != base.root_name() || is_absolute() != base.is_absolute() || (!has_root_directory() && base.has_root_directory())) { - return path(); - } - const_iterator a = begin(), b = base.begin(); - while (a != end() && b != base.end() && *a == *b) { - ++a; - ++b; - } - if (a == end() && b == base.end()) { - return path("."); - } - int count = 0; - for (const auto& element : input_iterator_range(b, base.end())) { - if (element != "." && element != "" && element != "..") { - ++count; - } - else if (element == "..") { - --count; - } - } - if (count < 0) { - return path(); - } - path result; - for (int i = 0; i < count; ++i) { - result /= ".."; - } - for (const auto& element : input_iterator_range(a, end())) { - result /= element; - } - return result; -} - -GHC_INLINE path path::lexically_proximate(const path& base) const -{ - path result = lexically_relative(base); - return result.empty() ? *this : result; -} - -//----------------------------------------------------------------------------- -// [fs.path.itr] iterators -GHC_INLINE path::iterator::iterator() {} - -GHC_INLINE path::iterator::iterator(const path& p, const impl_string_type::const_iterator& pos) - : _first(p._path.begin()) - , _last(p._path.end()) - , _prefix(_first + static_cast(p._prefixLength)) - , _root(p.has_root_directory() ? _first + static_cast(p._prefixLength + p.root_name_length()) : _last) - , _iter(pos) -{ - if(pos != _last) { - updateCurrent(); - } -} - -GHC_INLINE path::impl_string_type::const_iterator path::iterator::increment(const path::impl_string_type::const_iterator& pos) const -{ - path::impl_string_type::const_iterator i = pos; - bool fromStart = i == _first || i == _prefix; - if (i != _last) { - if (fromStart && i == _first && _prefix > _first) { - i = _prefix; - } - else if (*i++ == preferred_separator) { - // we can only sit on a slash if it is a network name or a root - if (i != _last && *i == preferred_separator) { - if (fromStart && !(i + 1 != _last && *(i + 1) == preferred_separator)) { - // leadind double slashes detected, treat this and the - // following until a slash as one unit - i = std::find(++i, _last, preferred_separator); - } - else { - // skip redundant slashes - while (i != _last && *i == preferred_separator) { - ++i; - } - } - } - } - else { - if (fromStart && i != _last && *i == ':') { - ++i; - } - else { - i = std::find(i, _last, preferred_separator); - } - } - } - return i; -} - -GHC_INLINE path::impl_string_type::const_iterator path::iterator::decrement(const path::impl_string_type::const_iterator& pos) const -{ - path::impl_string_type::const_iterator i = pos; - if (i != _first) { - --i; - // if this is now the root slash or the trailing slash, we are done, - // else check for network name - if (i != _root && (pos != _last || *i != preferred_separator)) { -#ifdef GHC_OS_WINDOWS - static const impl_string_type seps = GHC_PLATFORM_LITERAL("\\:"); - i = std::find_first_of(std::reverse_iterator(i), std::reverse_iterator(_first), seps.begin(), seps.end()).base(); - if (i > _first && *i == ':') { - i++; - } -#else - i = std::find(std::reverse_iterator(i), std::reverse_iterator(_first), preferred_separator).base(); -#endif - // Now we have to check if this is a network name - if (i - _first == 2 && *_first == preferred_separator && *(_first + 1) == preferred_separator) { - i -= 2; - } - } - } - return i; -} - -GHC_INLINE void path::iterator::updateCurrent() -{ - if ((_iter == _last) || (_iter != _first && _iter != _last && (*_iter == preferred_separator && _iter != _root) && (_iter + 1 == _last))) { - _current.clear(); - } - else { - _current.assign(_iter, increment(_iter)); - } -} - -GHC_INLINE path::iterator& path::iterator::operator++() -{ - _iter = increment(_iter); - while (_iter != _last && // we didn't reach the end - _iter != _root && // this is not a root position - *_iter == preferred_separator && // we are on a separator - (_iter + 1) != _last // the slash is not the last char - ) { - ++_iter; - } - updateCurrent(); - return *this; -} - -GHC_INLINE path::iterator path::iterator::operator++(int) -{ - path::iterator i{*this}; - ++(*this); - return i; -} - -GHC_INLINE path::iterator& path::iterator::operator--() -{ - _iter = decrement(_iter); - updateCurrent(); - return *this; -} - -GHC_INLINE path::iterator path::iterator::operator--(int) -{ - auto i = *this; - --(*this); - return i; -} - -GHC_INLINE bool path::iterator::operator==(const path::iterator& other) const -{ - return _iter == other._iter; -} - -GHC_INLINE bool path::iterator::operator!=(const path::iterator& other) const -{ - return _iter != other._iter; -} - -GHC_INLINE path::iterator::reference path::iterator::operator*() const -{ - return _current; -} - -GHC_INLINE path::iterator::pointer path::iterator::operator->() const -{ - return &_current; -} - -GHC_INLINE path::iterator path::begin() const -{ - return iterator(*this, _path.begin()); -} - -GHC_INLINE path::iterator path::end() const -{ - return iterator(*this, _path.end()); -} - -//----------------------------------------------------------------------------- -// [fs.path.nonmember] path non-member functions -GHC_INLINE void swap(path& lhs, path& rhs) noexcept -{ - swap(lhs._path, rhs._path); -} - -GHC_INLINE size_t hash_value(const path& p) noexcept -{ - return std::hash()(p.generic_string()); -} - -#ifdef GHC_HAS_THREEWAY_COMP -GHC_INLINE std::strong_ordering operator<=>(const path& lhs, const path& rhs) noexcept -{ - return lhs.compare(rhs) <=> 0; -} -#endif - -GHC_INLINE bool operator==(const path& lhs, const path& rhs) noexcept -{ - return lhs.compare(rhs) == 0; -} - -GHC_INLINE bool operator!=(const path& lhs, const path& rhs) noexcept -{ - return !(lhs == rhs); -} - -GHC_INLINE bool operator<(const path& lhs, const path& rhs) noexcept -{ - return lhs.compare(rhs) < 0; -} - -GHC_INLINE bool operator<=(const path& lhs, const path& rhs) noexcept -{ - return lhs.compare(rhs) <= 0; -} - -GHC_INLINE bool operator>(const path& lhs, const path& rhs) noexcept -{ - return lhs.compare(rhs) > 0; -} - -GHC_INLINE bool operator>=(const path& lhs, const path& rhs) noexcept -{ - return lhs.compare(rhs) >= 0; -} - -GHC_INLINE path operator/(const path& lhs, const path& rhs) -{ - path result(lhs); - result /= rhs; - return result; -} - -#endif // GHC_EXPAND_IMPL - -//----------------------------------------------------------------------------- -// [fs.path.io] path inserter and extractor -template -inline std::basic_ostream& operator<<(std::basic_ostream& os, const path& p) -{ - os << "\""; - auto ps = p.string(); - for (auto c : ps) { - if (c == '"' || c == '\\') { - os << '\\'; - } - os << c; - } - os << "\""; - return os; -} - -template -inline std::basic_istream& operator>>(std::basic_istream& is, path& p) -{ - std::basic_string tmp; - charT c; - is >> c; - if (c == '"') { - auto sf = is.flags(); - is >> std::noskipws; - while (is) { - auto c2 = is.get(); - if (is) { - if (c2 == '\\') { - c2 = is.get(); - if (is) { - tmp += static_cast(c2); - } - } - else if (c2 == '"') { - break; - } - else { - tmp += static_cast(c2); - } - } - } - if ((sf & std::ios_base::skipws) == std::ios_base::skipws) { - is >> std::skipws; - } - p = path(tmp); - } - else { - is >> tmp; - p = path(static_cast(c) + tmp); - } - return is; -} - -#ifdef GHC_EXPAND_IMPL - -//----------------------------------------------------------------------------- -// [fs.class.filesystem_error] Class filesystem_error -GHC_INLINE filesystem_error::filesystem_error(const std::string& what_arg, std::error_code ec) - : std::system_error(ec, what_arg) - , _what_arg(what_arg) - , _ec(ec) -{ -} - -GHC_INLINE filesystem_error::filesystem_error(const std::string& what_arg, const path& p1, std::error_code ec) - : std::system_error(ec, what_arg) - , _what_arg(what_arg) - , _ec(ec) - , _p1(p1) -{ - if (!_p1.empty()) { - _what_arg += ": '" + _p1.string() + "'"; - } -} - -GHC_INLINE filesystem_error::filesystem_error(const std::string& what_arg, const path& p1, const path& p2, std::error_code ec) - : std::system_error(ec, what_arg) - , _what_arg(what_arg) - , _ec(ec) - , _p1(p1) - , _p2(p2) -{ - if (!_p1.empty()) { - _what_arg += ": '" + _p1.string() + "'"; - } - if (!_p2.empty()) { - _what_arg += ", '" + _p2.string() + "'"; - } -} - -GHC_INLINE const path& filesystem_error::path1() const noexcept -{ - return _p1; -} - -GHC_INLINE const path& filesystem_error::path2() const noexcept -{ - return _p2; -} - -GHC_INLINE const char* filesystem_error::what() const noexcept -{ - return _what_arg.c_str(); -} - -//----------------------------------------------------------------------------- -// [fs.op.funcs] filesystem operations -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE path absolute(const path& p) -{ - std::error_code ec; - path result = absolute(p, ec); - if (ec) { - throw filesystem_error(detail::systemErrorText(ec.value()), p, ec); - } - return result; -} -#endif - -GHC_INLINE path absolute(const path& p, std::error_code& ec) -{ - ec.clear(); -#ifdef GHC_OS_WINDOWS - if (p.empty()) { - return absolute(current_path(ec), ec) / ""; - } - ULONG size = ::GetFullPathNameW(GHC_NATIVEWP(p), 0, 0, 0); - if (size) { - std::vector buf(size, 0); - ULONG s2 = GetFullPathNameW(GHC_NATIVEWP(p), size, buf.data(), nullptr); - if (s2 && s2 < size) { - path result = path(std::wstring(buf.data(), s2)); - if (p.filename() == ".") { - result /= "."; - } - return result; - } - } - ec = detail::make_system_error(); - return path(); -#else - path base = current_path(ec); - if (!ec) { - if (p.empty()) { - return base / p; - } - if (p.has_root_name()) { - if (p.has_root_directory()) { - return p; - } - else { - return p.root_name() / base.root_directory() / base.relative_path() / p.relative_path(); - } - } - else { - if (p.has_root_directory()) { - return base.root_name() / p; - } - else { - return base / p; - } - } - } - ec = detail::make_system_error(); - return path(); -#endif -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE path canonical(const path& p) -{ - std::error_code ec; - auto result = canonical(p, ec); - if (ec) { - throw filesystem_error(detail::systemErrorText(ec.value()), p, ec); - } - return result; -} -#endif - -GHC_INLINE path canonical(const path& p, std::error_code& ec) -{ - if (p.empty()) { - ec = detail::make_error_code(detail::portable_error::not_found); - return path(); - } - path work = p.is_absolute() ? p : absolute(p, ec); - path result; - - auto fs = status(work, ec); - if (ec) { - return path(); - } - if (fs.type() == file_type::not_found) { - ec = detail::make_error_code(detail::portable_error::not_found); - return path(); - } - bool redo; - do { - auto rootPathLen = work._prefixLength + work.root_name_length() + (work.has_root_directory() ? 1 : 0); - redo = false; - result.clear(); - for (auto pe : work) { - if (pe.empty() || pe == ".") { - continue; - } - else if (pe == "..") { - result = result.parent_path(); - continue; - } - else if ((result / pe).string().length() <= rootPathLen) { - result /= pe; - continue; - } - auto sls = symlink_status(result / pe, ec); - if (ec) { - return path(); - } - if (is_symlink(sls)) { - redo = true; - auto target = read_symlink(result / pe, ec); - if (ec) { - return path(); - } - if (target.is_absolute()) { - result = target; - continue; - } - else { - result /= target; - continue; - } - } - else { - result /= pe; - } - } - work = result; - } while (redo); - ec.clear(); - return result; -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE void copy(const path& from, const path& to) -{ - copy(from, to, copy_options::none); -} - -GHC_INLINE void copy(const path& from, const path& to, copy_options options) -{ - std::error_code ec; - copy(from, to, options, ec); - if (ec) { - throw filesystem_error(detail::systemErrorText(ec.value()), from, to, ec); - } -} -#endif - -GHC_INLINE void copy(const path& from, const path& to, std::error_code& ec) noexcept -{ - copy(from, to, copy_options::none, ec); -} - -GHC_INLINE void copy(const path& from, const path& to, copy_options options, std::error_code& ec) noexcept -{ - std::error_code tec; - file_status fs_from, fs_to; - ec.clear(); - if ((options & (copy_options::skip_symlinks | copy_options::copy_symlinks | copy_options::create_symlinks)) != copy_options::none) { - fs_from = symlink_status(from, ec); - } - else { - fs_from = status(from, ec); - } - if (!exists(fs_from)) { - if (!ec) { - ec = detail::make_error_code(detail::portable_error::not_found); - } - return; - } - if ((options & (copy_options::skip_symlinks | copy_options::create_symlinks)) != copy_options::none) { - fs_to = symlink_status(to, tec); - } - else { - fs_to = status(to, tec); - } - if (is_other(fs_from) || is_other(fs_to) || (is_directory(fs_from) && is_regular_file(fs_to)) || (exists(fs_to) && equivalent(from, to, ec))) { - ec = detail::make_error_code(detail::portable_error::invalid_argument); - } - else if (is_symlink(fs_from)) { - if ((options & copy_options::skip_symlinks) == copy_options::none) { - if (!exists(fs_to) && (options & copy_options::copy_symlinks) != copy_options::none) { - copy_symlink(from, to, ec); - } - else { - ec = detail::make_error_code(detail::portable_error::invalid_argument); - } - } - } - else if (is_regular_file(fs_from)) { - if ((options & copy_options::directories_only) == copy_options::none) { - if ((options & copy_options::create_symlinks) != copy_options::none) { - create_symlink(from.is_absolute() ? from : canonical(from, ec), to, ec); - } -#ifndef GHC_OS_WEB - else if ((options & copy_options::create_hard_links) != copy_options::none) { - create_hard_link(from, to, ec); - } -#endif - else if (is_directory(fs_to)) { - copy_file(from, to / from.filename(), options, ec); - } - else { - copy_file(from, to, options, ec); - } - } - } -#ifdef LWG_2682_BEHAVIOUR - else if (is_directory(fs_from) && (options & copy_options::create_symlinks) != copy_options::none) { - ec = detail::make_error_code(detail::portable_error::is_a_directory); - } -#endif - else if (is_directory(fs_from) && (options == copy_options::none || (options & copy_options::recursive) != copy_options::none)) { - if (!exists(fs_to)) { - create_directory(to, from, ec); - if (ec) { - return; - } - } - for (auto iter = directory_iterator(from, ec); iter != directory_iterator(); iter.increment(ec)) { - if (!ec) { - copy(iter->path(), to / iter->path().filename(), options | static_cast(0x8000), ec); - } - if (ec) { - return; - } - } - } - return; -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE bool copy_file(const path& from, const path& to) -{ - return copy_file(from, to, copy_options::none); -} - -GHC_INLINE bool copy_file(const path& from, const path& to, copy_options option) -{ - std::error_code ec; - auto result = copy_file(from, to, option, ec); - if (ec) { - throw filesystem_error(detail::systemErrorText(ec.value()), from, to, ec); - } - return result; -} -#endif - -GHC_INLINE bool copy_file(const path& from, const path& to, std::error_code& ec) noexcept -{ - return copy_file(from, to, copy_options::none, ec); -} - -GHC_INLINE bool copy_file(const path& from, const path& to, copy_options options, std::error_code& ec) noexcept -{ - std::error_code tecf, tect; - auto sf = status(from, tecf); - auto st = status(to, tect); - bool overwrite = false; - ec.clear(); - if (!is_regular_file(sf)) { - ec = tecf; - return false; - } - if (exists(st) && (!is_regular_file(st) || equivalent(from, to, ec) || (options & (copy_options::skip_existing | copy_options::overwrite_existing | copy_options::update_existing)) == copy_options::none)) { - ec = tect ? tect : detail::make_error_code(detail::portable_error::exists); - return false; - } - if (exists(st)) { - if ((options & copy_options::update_existing) == copy_options::update_existing) { - auto from_time = last_write_time(from, ec); - if (ec) { - ec = detail::make_system_error(); - return false; - } - auto to_time = last_write_time(to, ec); - if (ec) { - ec = detail::make_system_error(); - return false; - } - if (from_time <= to_time) { - return false; - } - } - overwrite = true; - } -#ifdef GHC_OS_WINDOWS - if (!::CopyFileW(GHC_NATIVEWP(from), GHC_NATIVEWP(to), !overwrite)) { - ec = detail::make_system_error(); - return false; - } - return true; -#else - std::vector buffer(16384, '\0'); - int in = -1, out = -1; - if ((in = ::open(from.c_str(), O_RDONLY)) < 0) { - ec = detail::make_system_error(); - return false; - } - int mode = O_CREAT | O_WRONLY | O_TRUNC; - if (!overwrite) { - mode |= O_EXCL; - } - if ((out = ::open(to.c_str(), mode, static_cast(sf.permissions() & perms::all))) < 0) { - ec = detail::make_system_error(); - ::close(in); - return false; - } - ssize_t br, bw; - while ((br = ::read(in, buffer.data(), buffer.size())) > 0) { - ssize_t offset = 0; - do { - if ((bw = ::write(out, buffer.data() + offset, static_cast(br))) > 0) { - br -= bw; - offset += bw; - } - else if (bw < 0) { - ec = detail::make_system_error(); - ::close(in); - ::close(out); - return false; - } - } while (br); - } - ::close(in); - ::close(out); - return true; -#endif -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE void copy_symlink(const path& existing_symlink, const path& new_symlink) -{ - std::error_code ec; - copy_symlink(existing_symlink, new_symlink, ec); - if (ec) { - throw filesystem_error(detail::systemErrorText(ec.value()), existing_symlink, new_symlink, ec); - } -} -#endif - -GHC_INLINE void copy_symlink(const path& existing_symlink, const path& new_symlink, std::error_code& ec) noexcept -{ - ec.clear(); - auto to = read_symlink(existing_symlink, ec); - if (!ec) { - if (exists(to, ec) && is_directory(to, ec)) { - create_directory_symlink(to, new_symlink, ec); - } - else { - create_symlink(to, new_symlink, ec); - } - } -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE bool create_directories(const path& p) -{ - std::error_code ec; - auto result = create_directories(p, ec); - if (ec) { - throw filesystem_error(detail::systemErrorText(ec.value()), p, ec); - } - return result; -} -#endif - -GHC_INLINE bool create_directories(const path& p, std::error_code& ec) noexcept -{ - path current; - ec.clear(); - bool didCreate = false; - auto rootPathLen = p._prefixLength + p.root_name_length() + (p.has_root_directory() ? 1 : 0); - current = p.native().substr(0, rootPathLen); - path folders(p._path.substr(rootPathLen)); - for (path::string_type part : folders) { - current /= part; - std::error_code tec; - auto fs = status(current, tec); - if (tec && fs.type() != file_type::not_found) { - ec = tec; - return false; - } - if (!exists(fs)) { - create_directory(current, ec); - if (ec) { - std::error_code tmp_ec; - if (is_directory(current, tmp_ec)) { - ec.clear(); - } - else { - return false; - } - } - didCreate = true; - } -#ifndef LWG_2935_BEHAVIOUR - else if (!is_directory(fs)) { - ec = detail::make_error_code(detail::portable_error::exists); - return false; - } -#endif - } - return didCreate; -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE bool create_directory(const path& p) -{ - std::error_code ec; - auto result = create_directory(p, path(), ec); - if (ec) { - throw filesystem_error(detail::systemErrorText(ec.value()), p, ec); - } - return result; -} -#endif - -GHC_INLINE bool create_directory(const path& p, std::error_code& ec) noexcept -{ - return create_directory(p, path(), ec); -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE bool create_directory(const path& p, const path& attributes) -{ - std::error_code ec; - auto result = create_directory(p, attributes, ec); - if (ec) { - throw filesystem_error(detail::systemErrorText(ec.value()), p, ec); - } - return result; -} -#endif - -GHC_INLINE bool create_directory(const path& p, const path& attributes, std::error_code& ec) noexcept -{ - std::error_code tec; - ec.clear(); - auto fs = status(p, tec); -#ifdef LWG_2935_BEHAVIOUR - if (status_known(fs) && exists(fs)) { - return false; - } -#else - if (status_known(fs) && exists(fs) && is_directory(fs)) { - return false; - } -#endif -#ifdef GHC_OS_WINDOWS - if (!attributes.empty()) { - if (!::CreateDirectoryExW(GHC_NATIVEWP(attributes), GHC_NATIVEWP(p), NULL)) { - ec = detail::make_system_error(); - return false; - } - } - else if (!::CreateDirectoryW(GHC_NATIVEWP(p), NULL)) { - ec = detail::make_system_error(); - return false; - } -#else - ::mode_t attribs = static_cast(perms::all); - if (!attributes.empty()) { - struct ::stat fileStat; - if (::stat(attributes.c_str(), &fileStat) != 0) { - ec = detail::make_system_error(); - return false; - } - attribs = fileStat.st_mode; - } - if (::mkdir(p.c_str(), attribs) != 0) { - ec = detail::make_system_error(); - return false; - } -#endif - return true; -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE void create_directory_symlink(const path& to, const path& new_symlink) -{ - std::error_code ec; - create_directory_symlink(to, new_symlink, ec); - if (ec) { - throw filesystem_error(detail::systemErrorText(ec.value()), to, new_symlink, ec); - } -} -#endif - -GHC_INLINE void create_directory_symlink(const path& to, const path& new_symlink, std::error_code& ec) noexcept -{ - detail::create_symlink(to, new_symlink, true, ec); -} - -#ifndef GHC_OS_WEB -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE void create_hard_link(const path& to, const path& new_hard_link) -{ - std::error_code ec; - create_hard_link(to, new_hard_link, ec); - if (ec) { - throw filesystem_error(detail::systemErrorText(ec.value()), to, new_hard_link, ec); - } -} -#endif - -GHC_INLINE void create_hard_link(const path& to, const path& new_hard_link, std::error_code& ec) noexcept -{ - detail::create_hardlink(to, new_hard_link, ec); -} -#endif - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE void create_symlink(const path& to, const path& new_symlink) -{ - std::error_code ec; - create_symlink(to, new_symlink, ec); - if (ec) { - throw filesystem_error(detail::systemErrorText(ec.value()), to, new_symlink, ec); - } -} -#endif - -GHC_INLINE void create_symlink(const path& to, const path& new_symlink, std::error_code& ec) noexcept -{ - detail::create_symlink(to, new_symlink, false, ec); -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE path current_path() -{ - std::error_code ec; - auto result = current_path(ec); - if (ec) { - throw filesystem_error(detail::systemErrorText(ec.value()), ec); - } - return result; -} -#endif - -GHC_INLINE path current_path(std::error_code& ec) -{ - ec.clear(); -#ifdef GHC_OS_WINDOWS - DWORD pathlen = ::GetCurrentDirectoryW(0, 0); - std::unique_ptr buffer(new wchar_t[size_t(pathlen) + 1]); - if (::GetCurrentDirectoryW(pathlen, buffer.get()) == 0) { - ec = detail::make_system_error(); - return path(); - } - return path(std::wstring(buffer.get()), path::native_format); -#else - size_t pathlen = static_cast(std::max(int(::pathconf(".", _PC_PATH_MAX)), int(PATH_MAX))); - std::unique_ptr buffer(new char[pathlen + 1]); - if (::getcwd(buffer.get(), pathlen) == nullptr) { - ec = detail::make_system_error(); - return path(); - } - return path(buffer.get()); -#endif -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE void current_path(const path& p) -{ - std::error_code ec; - current_path(p, ec); - if (ec) { - throw filesystem_error(detail::systemErrorText(ec.value()), p, ec); - } -} -#endif - -GHC_INLINE void current_path(const path& p, std::error_code& ec) noexcept -{ - ec.clear(); -#ifdef GHC_OS_WINDOWS - if (!::SetCurrentDirectoryW(GHC_NATIVEWP(p))) { - ec = detail::make_system_error(); - } -#else - if (::chdir(p.string().c_str()) == -1) { - ec = detail::make_system_error(); - } -#endif -} - -GHC_INLINE bool exists(file_status s) noexcept -{ - return status_known(s) && s.type() != file_type::not_found; -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE bool exists(const path& p) -{ - return exists(status(p)); -} -#endif - -GHC_INLINE bool exists(const path& p, std::error_code& ec) noexcept -{ - file_status s = status(p, ec); - if (status_known(s)) { - ec.clear(); - } - return exists(s); -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE bool equivalent(const path& p1, const path& p2) -{ - std::error_code ec; - bool result = equivalent(p1, p2, ec); - if (ec) { - throw filesystem_error(detail::systemErrorText(ec.value()), p1, p2, ec); - } - return result; -} -#endif - -GHC_INLINE bool equivalent(const path& p1, const path& p2, std::error_code& ec) noexcept -{ - ec.clear(); -#ifdef GHC_OS_WINDOWS - std::shared_ptr file1(::CreateFileW(GHC_NATIVEWP(p1), 0, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, 0, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0), CloseHandle); - auto e1 = ::GetLastError(); - std::shared_ptr file2(::CreateFileW(GHC_NATIVEWP(p2), 0, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, 0, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0), CloseHandle); - if (file1.get() == INVALID_HANDLE_VALUE || file2.get() == INVALID_HANDLE_VALUE) { -#ifdef LWG_2937_BEHAVIOUR - ec = detail::make_system_error(e1 ? e1 : ::GetLastError()); -#else - if (file1 == file2) { - ec = detail::make_system_error(e1 ? e1 : ::GetLastError()); - } -#endif - return false; - } - BY_HANDLE_FILE_INFORMATION inf1, inf2; - if (!::GetFileInformationByHandle(file1.get(), &inf1)) { - ec = detail::make_system_error(); - return false; - } - if (!::GetFileInformationByHandle(file2.get(), &inf2)) { - ec = detail::make_system_error(); - return false; - } - return inf1.ftLastWriteTime.dwLowDateTime == inf2.ftLastWriteTime.dwLowDateTime && inf1.ftLastWriteTime.dwHighDateTime == inf2.ftLastWriteTime.dwHighDateTime && inf1.nFileIndexHigh == inf2.nFileIndexHigh && inf1.nFileIndexLow == inf2.nFileIndexLow && - inf1.nFileSizeHigh == inf2.nFileSizeHigh && inf1.nFileSizeLow == inf2.nFileSizeLow && inf1.dwVolumeSerialNumber == inf2.dwVolumeSerialNumber; -#else - struct ::stat s1, s2; - auto rc1 = ::stat(p1.c_str(), &s1); - auto e1 = errno; - auto rc2 = ::stat(p2.c_str(), &s2); - if (rc1 || rc2) { -#ifdef LWG_2937_BEHAVIOUR - ec = detail::make_system_error(e1 ? e1 : errno); -#else - if (rc1 && rc2) { - ec = detail::make_system_error(e1 ? e1 : errno); - } -#endif - return false; - } - return s1.st_dev == s2.st_dev && s1.st_ino == s2.st_ino && s1.st_size == s2.st_size && s1.st_mtime == s2.st_mtime; -#endif -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE uintmax_t file_size(const path& p) -{ - std::error_code ec; - auto result = file_size(p, ec); - if (ec) { - throw filesystem_error(detail::systemErrorText(ec.value()), p, ec); - } - return result; -} -#endif - -GHC_INLINE uintmax_t file_size(const path& p, std::error_code& ec) noexcept -{ - ec.clear(); -#ifdef GHC_OS_WINDOWS - WIN32_FILE_ATTRIBUTE_DATA attr; - if (!GetFileAttributesExW(GHC_NATIVEWP(p), GetFileExInfoStandard, &attr)) { - ec = detail::make_system_error(); - return static_cast(-1); - } - return static_cast(attr.nFileSizeHigh) << (sizeof(attr.nFileSizeHigh) * 8) | attr.nFileSizeLow; -#else - struct ::stat fileStat; - if (::stat(p.c_str(), &fileStat) == -1) { - ec = detail::make_system_error(); - return static_cast(-1); - } - return static_cast(fileStat.st_size); -#endif -} - -#ifndef GHC_OS_WEB -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE uintmax_t hard_link_count(const path& p) -{ - std::error_code ec; - auto result = hard_link_count(p, ec); - if (ec) { - throw filesystem_error(detail::systemErrorText(ec.value()), p, ec); - } - return result; -} -#endif - -GHC_INLINE uintmax_t hard_link_count(const path& p, std::error_code& ec) noexcept -{ - ec.clear(); -#ifdef GHC_OS_WINDOWS - uintmax_t result = static_cast(-1); - std::shared_ptr file(::CreateFileW(GHC_NATIVEWP(p), 0, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, 0, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0), CloseHandle); - BY_HANDLE_FILE_INFORMATION inf; - if (file.get() == INVALID_HANDLE_VALUE) { - ec = detail::make_system_error(); - } - else { - if (!::GetFileInformationByHandle(file.get(), &inf)) { - ec = detail::make_system_error(); - } - else { - result = inf.nNumberOfLinks; - } - } - return result; -#else - uintmax_t result = 0; - file_status fs = detail::status_ex(p, ec, nullptr, nullptr, &result, nullptr); - if (fs.type() == file_type::not_found) { - ec = detail::make_error_code(detail::portable_error::not_found); - } - return ec ? static_cast(-1) : result; -#endif -} -#endif - -GHC_INLINE bool is_block_file(file_status s) noexcept -{ - return s.type() == file_type::block; -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE bool is_block_file(const path& p) -{ - return is_block_file(status(p)); -} -#endif - -GHC_INLINE bool is_block_file(const path& p, std::error_code& ec) noexcept -{ - return is_block_file(status(p, ec)); -} - -GHC_INLINE bool is_character_file(file_status s) noexcept -{ - return s.type() == file_type::character; -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE bool is_character_file(const path& p) -{ - return is_character_file(status(p)); -} -#endif - -GHC_INLINE bool is_character_file(const path& p, std::error_code& ec) noexcept -{ - return is_character_file(status(p, ec)); -} - -GHC_INLINE bool is_directory(file_status s) noexcept -{ - return s.type() == file_type::directory; -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE bool is_directory(const path& p) -{ - return is_directory(status(p)); -} -#endif - -GHC_INLINE bool is_directory(const path& p, std::error_code& ec) noexcept -{ - return is_directory(status(p, ec)); -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE bool is_empty(const path& p) -{ - if (is_directory(p)) { - return directory_iterator(p) == directory_iterator(); - } - else { - return file_size(p) == 0; - } -} -#endif - -GHC_INLINE bool is_empty(const path& p, std::error_code& ec) noexcept -{ - auto fs = status(p, ec); - if (ec) { - return false; - } - if (is_directory(fs)) { - directory_iterator iter(p, ec); - if (ec) { - return false; - } - return iter == directory_iterator(); - } - else { - auto sz = file_size(p, ec); - if (ec) { - return false; - } - return sz == 0; - } -} - -GHC_INLINE bool is_fifo(file_status s) noexcept -{ - return s.type() == file_type::fifo; -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE bool is_fifo(const path& p) -{ - return is_fifo(status(p)); -} -#endif - -GHC_INLINE bool is_fifo(const path& p, std::error_code& ec) noexcept -{ - return is_fifo(status(p, ec)); -} - -GHC_INLINE bool is_other(file_status s) noexcept -{ - return exists(s) && !is_regular_file(s) && !is_directory(s) && !is_symlink(s); -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE bool is_other(const path& p) -{ - return is_other(status(p)); -} -#endif - -GHC_INLINE bool is_other(const path& p, std::error_code& ec) noexcept -{ - return is_other(status(p, ec)); -} - -GHC_INLINE bool is_regular_file(file_status s) noexcept -{ - return s.type() == file_type::regular; -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE bool is_regular_file(const path& p) -{ - return is_regular_file(status(p)); -} -#endif - -GHC_INLINE bool is_regular_file(const path& p, std::error_code& ec) noexcept -{ - return is_regular_file(status(p, ec)); -} - -GHC_INLINE bool is_socket(file_status s) noexcept -{ - return s.type() == file_type::socket; -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE bool is_socket(const path& p) -{ - return is_socket(status(p)); -} -#endif - -GHC_INLINE bool is_socket(const path& p, std::error_code& ec) noexcept -{ - return is_socket(status(p, ec)); -} - -GHC_INLINE bool is_symlink(file_status s) noexcept -{ - return s.type() == file_type::symlink; -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE bool is_symlink(const path& p) -{ - return is_symlink(symlink_status(p)); -} -#endif - -GHC_INLINE bool is_symlink(const path& p, std::error_code& ec) noexcept -{ - return is_symlink(symlink_status(p, ec)); -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE file_time_type last_write_time(const path& p) -{ - std::error_code ec; - auto result = last_write_time(p, ec); - if (ec) { - throw filesystem_error(detail::systemErrorText(ec.value()), p, ec); - } - return result; -} -#endif - -GHC_INLINE file_time_type last_write_time(const path& p, std::error_code& ec) noexcept -{ - time_t result = 0; - ec.clear(); - file_status fs = detail::status_ex(p, ec, nullptr, nullptr, nullptr, &result); - return ec ? (file_time_type::min)() : std::chrono::system_clock::from_time_t(result); -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE void last_write_time(const path& p, file_time_type new_time) -{ - std::error_code ec; - last_write_time(p, new_time, ec); - if (ec) { - throw filesystem_error(detail::systemErrorText(ec.value()), p, ec); - } -} -#endif - -GHC_INLINE void last_write_time(const path& p, file_time_type new_time, std::error_code& ec) noexcept -{ - ec.clear(); - auto d = new_time.time_since_epoch(); -#ifdef GHC_OS_WINDOWS - std::shared_ptr file(::CreateFileW(GHC_NATIVEWP(p), FILE_WRITE_ATTRIBUTES, FILE_SHARE_DELETE | FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL), ::CloseHandle); - FILETIME ft; - auto tt = std::chrono::duration_cast(d).count() * 10 + 116444736000000000; - ft.dwLowDateTime = static_cast(tt); - ft.dwHighDateTime = static_cast(tt >> 32); - if (!::SetFileTime(file.get(), 0, 0, &ft)) { - ec = detail::make_system_error(); - } -#elif defined(GHC_OS_MACOS) -#ifdef __MAC_OS_X_VERSION_MIN_REQUIRED -#if __MAC_OS_X_VERSION_MIN_REQUIRED < 101300 - struct ::stat fs; - if (::stat(p.c_str(), &fs) == 0) { - struct ::timeval tv[2]; - tv[0].tv_sec = fs.st_atimespec.tv_sec; - tv[0].tv_usec = static_cast(fs.st_atimespec.tv_nsec / 1000); - tv[1].tv_sec = std::chrono::duration_cast(d).count(); - tv[1].tv_usec = static_cast(std::chrono::duration_cast(d).count() % 1000000); - if (::utimes(p.c_str(), tv) == 0) { - return; - } - } - ec = detail::make_system_error(); - return; -#else - struct ::timespec times[2]; - times[0].tv_sec = 0; - times[0].tv_nsec = UTIME_OMIT; - times[1].tv_sec = std::chrono::duration_cast(d).count(); - times[1].tv_nsec = 0; // std::chrono::duration_cast(d).count() % 1000000000; - if (::utimensat(AT_FDCWD, p.c_str(), times, AT_SYMLINK_NOFOLLOW) != 0) { - ec = detail::make_system_error(); - } - return; -#endif -#endif -#else -#ifndef UTIME_OMIT -#define UTIME_OMIT ((1l << 30) - 2l) -#endif - struct ::timespec times[2]; - times[0].tv_sec = 0; - times[0].tv_nsec = UTIME_OMIT; - times[1].tv_sec = static_cast(std::chrono::duration_cast(d).count()); - times[1].tv_nsec = static_cast(std::chrono::duration_cast(d).count() % 1000000000); -#if defined(__ANDROID_API__) && __ANDROID_API__ < 12 - if (syscall(__NR_utimensat, AT_FDCWD, p.c_str(), times, AT_SYMLINK_NOFOLLOW) != 0) { -#else - if (::utimensat(AT_FDCWD, p.c_str(), times, AT_SYMLINK_NOFOLLOW) != 0) { -#endif - ec = detail::make_system_error(); - } - return; -#endif -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE void permissions(const path& p, perms prms, perm_options opts) -{ - std::error_code ec; - permissions(p, prms, opts, ec); - if (ec) { - throw filesystem_error(detail::systemErrorText(ec.value()), p, ec); - } -} -#endif - -GHC_INLINE void permissions(const path& p, perms prms, std::error_code& ec) noexcept -{ - permissions(p, prms, perm_options::replace, ec); -} - -GHC_INLINE void permissions(const path& p, perms prms, perm_options opts, std::error_code& ec) noexcept -{ - if (static_cast(opts & (perm_options::replace | perm_options::add | perm_options::remove)) == 0) { - ec = detail::make_error_code(detail::portable_error::invalid_argument); - return; - } - auto fs = symlink_status(p, ec); - if ((opts & perm_options::replace) != perm_options::replace) { - if ((opts & perm_options::add) == perm_options::add) { - prms = fs.permissions() | prms; - } - else { - prms = fs.permissions() & ~prms; - } - } -#ifdef GHC_OS_WINDOWS -#ifdef __GNUC__ - auto oldAttr = GetFileAttributesW(GHC_NATIVEWP(p)); - if (oldAttr != INVALID_FILE_ATTRIBUTES) { - DWORD newAttr = ((prms & perms::owner_write) == perms::owner_write) ? oldAttr & ~(static_cast(FILE_ATTRIBUTE_READONLY)) : oldAttr | FILE_ATTRIBUTE_READONLY; - if (oldAttr == newAttr || SetFileAttributesW(GHC_NATIVEWP(p), newAttr)) { - return; - } - } - ec = detail::make_system_error(); -#else - int mode = 0; - if ((prms & perms::owner_read) == perms::owner_read) { - mode |= _S_IREAD; - } - if ((prms & perms::owner_write) == perms::owner_write) { - mode |= _S_IWRITE; - } - if (::_wchmod(p.wstring().c_str(), mode) != 0) { - ec = detail::make_system_error(); - } -#endif -#else - if ((opts & perm_options::nofollow) != perm_options::nofollow) { - if (::chmod(p.c_str(), static_cast(prms)) != 0) { - ec = detail::make_system_error(); - } - } -#endif -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE path proximate(const path& p, std::error_code& ec) -{ - auto cp = current_path(ec); - if (!ec) { - return proximate(p, cp, ec); - } - return path(); -} -#endif - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE path proximate(const path& p, const path& base) -{ - return weakly_canonical(p).lexically_proximate(weakly_canonical(base)); -} -#endif - -GHC_INLINE path proximate(const path& p, const path& base, std::error_code& ec) -{ - return weakly_canonical(p, ec).lexically_proximate(weakly_canonical(base, ec)); -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE path read_symlink(const path& p) -{ - std::error_code ec; - auto result = read_symlink(p, ec); - if (ec) { - throw filesystem_error(detail::systemErrorText(ec.value()), p, ec); - } - return result; -} -#endif - -GHC_INLINE path read_symlink(const path& p, std::error_code& ec) -{ - file_status fs = symlink_status(p, ec); - if (fs.type() != file_type::symlink) { - ec = detail::make_error_code(detail::portable_error::invalid_argument); - return path(); - } - auto result = detail::resolveSymlink(p, ec); - return ec ? path() : result; -} - -GHC_INLINE path relative(const path& p, std::error_code& ec) -{ - return relative(p, current_path(ec), ec); -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE path relative(const path& p, const path& base) -{ - return weakly_canonical(p).lexically_relative(weakly_canonical(base)); -} -#endif - -GHC_INLINE path relative(const path& p, const path& base, std::error_code& ec) -{ - return weakly_canonical(p, ec).lexically_relative(weakly_canonical(base, ec)); -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE bool remove(const path& p) -{ - std::error_code ec; - auto result = remove(p, ec); - if (ec) { - throw filesystem_error(detail::systemErrorText(ec.value()), p, ec); - } - return result; -} -#endif - -GHC_INLINE bool remove(const path& p, std::error_code& ec) noexcept -{ - ec.clear(); -#ifdef GHC_OS_WINDOWS -#ifdef GHC_USE_WCHAR_T - auto cstr = p.c_str(); -#else - std::wstring np = detail::fromUtf8(p.u8string()); - auto cstr = np.c_str(); -#endif - DWORD attr = GetFileAttributesW(cstr); - if (attr == INVALID_FILE_ATTRIBUTES) { - auto error = ::GetLastError(); - if (error == ERROR_FILE_NOT_FOUND || error == ERROR_PATH_NOT_FOUND) { - return false; - } - ec = detail::make_system_error(error); - } - else if(attr & FILE_ATTRIBUTE_READONLY) { - auto new_attr = attr & ~static_cast(FILE_ATTRIBUTE_READONLY); - if(!SetFileAttributesW(cstr, new_attr)) { - auto error = ::GetLastError(); - ec = detail::make_system_error(error); - } - } - if (!ec) { - if (attr & FILE_ATTRIBUTE_DIRECTORY) { - if (!RemoveDirectoryW(cstr)) { - ec = detail::make_system_error(); - } - } - else { - if (!DeleteFileW(cstr)) { - ec = detail::make_system_error(); - } - } - } -#else - if (::remove(p.c_str()) == -1) { - auto error = errno; - if (error == ENOENT) { - return false; - } - ec = detail::make_system_error(); - } -#endif - return ec ? false : true; -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE uintmax_t remove_all(const path& p) -{ - std::error_code ec; - auto result = remove_all(p, ec); - if (ec) { - throw filesystem_error(detail::systemErrorText(ec.value()), p, ec); - } - return result; -} -#endif - -GHC_INLINE uintmax_t remove_all(const path& p, std::error_code& ec) noexcept -{ - ec.clear(); - uintmax_t count = 0; - if (p == "/") { - ec = detail::make_error_code(detail::portable_error::not_supported); - return static_cast(-1); - } - std::error_code tec; - auto fs = status(p, tec); - if (exists(fs) && is_directory(fs)) { - for (auto iter = directory_iterator(p, ec); iter != directory_iterator(); iter.increment(ec)) { - if (ec && !detail::is_not_found_error(ec)) { - break; - } - bool is_symlink_result = iter->is_symlink(ec); - if (ec) - return static_cast(-1); - if (!is_symlink_result && iter->is_directory(ec)) { - count += remove_all(iter->path(), ec); - if (ec) { - return static_cast(-1); - } - } - else { - if (!ec) { - remove(iter->path(), ec); - } - if (ec) { - return static_cast(-1); - } - ++count; - } - } - } - if (!ec) { - if (remove(p, ec)) { - ++count; - } - } - if (ec) { - return static_cast(-1); - } - return count; -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE void rename(const path& from, const path& to) -{ - std::error_code ec; - rename(from, to, ec); - if (ec) { - throw filesystem_error(detail::systemErrorText(ec.value()), from, to, ec); - } -} -#endif - -GHC_INLINE void rename(const path& from, const path& to, std::error_code& ec) noexcept -{ - ec.clear(); -#ifdef GHC_OS_WINDOWS - if (from != to) { - if (!MoveFileExW(GHC_NATIVEWP(from), GHC_NATIVEWP(to), (DWORD)MOVEFILE_REPLACE_EXISTING)) { - ec = detail::make_system_error(); - } - } -#else - if (from != to) { - if (::rename(from.c_str(), to.c_str()) != 0) { - ec = detail::make_system_error(); - } - } -#endif -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE void resize_file(const path& p, uintmax_t size) -{ - std::error_code ec; - resize_file(p, size, ec); - if (ec) { - throw filesystem_error(detail::systemErrorText(ec.value()), p, ec); - } -} -#endif - -GHC_INLINE void resize_file(const path& p, uintmax_t size, std::error_code& ec) noexcept -{ - ec.clear(); -#ifdef GHC_OS_WINDOWS - LARGE_INTEGER lisize; - lisize.QuadPart = static_cast(size); - if (lisize.QuadPart < 0) { -#ifdef ERROR_FILE_TOO_LARGE - ec = detail::make_system_error(ERROR_FILE_TOO_LARGE); -#else - ec = detail::make_system_error(223); -#endif - return; - } - std::shared_ptr file(CreateFileW(GHC_NATIVEWP(p), GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL), CloseHandle); - if (file.get() == INVALID_HANDLE_VALUE) { - ec = detail::make_system_error(); - } - else if (SetFilePointerEx(file.get(), lisize, NULL, FILE_BEGIN) == 0 || SetEndOfFile(file.get()) == 0) { - ec = detail::make_system_error(); - } -#else - if (::truncate(p.c_str(), static_cast(size)) != 0) { - ec = detail::make_system_error(); - } -#endif -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE space_info space(const path& p) -{ - std::error_code ec; - auto result = space(p, ec); - if (ec) { - throw filesystem_error(detail::systemErrorText(ec.value()), p, ec); - } - return result; -} -#endif - -GHC_INLINE space_info space(const path& p, std::error_code& ec) noexcept -{ - ec.clear(); -#ifdef GHC_OS_WINDOWS - ULARGE_INTEGER freeBytesAvailableToCaller = {{ 0, 0 }}; - ULARGE_INTEGER totalNumberOfBytes = {{ 0, 0 }}; - ULARGE_INTEGER totalNumberOfFreeBytes = {{ 0, 0 }}; - if (!GetDiskFreeSpaceExW(GHC_NATIVEWP(p), &freeBytesAvailableToCaller, &totalNumberOfBytes, &totalNumberOfFreeBytes)) { - ec = detail::make_system_error(); - return {static_cast(-1), static_cast(-1), static_cast(-1)}; - } - return {static_cast(totalNumberOfBytes.QuadPart), static_cast(totalNumberOfFreeBytes.QuadPart), static_cast(freeBytesAvailableToCaller.QuadPart)}; -#else - struct ::statvfs sfs; - if (::statvfs(p.c_str(), &sfs) != 0) { - ec = detail::make_system_error(); - return {static_cast(-1), static_cast(-1), static_cast(-1)}; - } - return {static_cast(sfs.f_blocks * sfs.f_frsize), static_cast(sfs.f_bfree * sfs.f_frsize), static_cast(sfs.f_bavail * sfs.f_frsize)}; -#endif -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE file_status status(const path& p) -{ - std::error_code ec; - auto result = status(p, ec); - if (result.type() == file_type::none) { - throw filesystem_error(detail::systemErrorText(ec.value()), p, ec); - } - return result; -} -#endif - -GHC_INLINE file_status status(const path& p, std::error_code& ec) noexcept -{ - return detail::status_ex(p, ec); -} - -GHC_INLINE bool status_known(file_status s) noexcept -{ - return s.type() != file_type::none; -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE file_status symlink_status(const path& p) -{ - std::error_code ec; - auto result = symlink_status(p, ec); - if (result.type() == file_type::none) { - throw filesystem_error(detail::systemErrorText(ec.value()), ec); - } - return result; -} -#endif - -GHC_INLINE file_status symlink_status(const path& p, std::error_code& ec) noexcept -{ - return detail::symlink_status_ex(p, ec); -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE path temp_directory_path() -{ - std::error_code ec; - path result = temp_directory_path(ec); - if (ec) { - throw filesystem_error(detail::systemErrorText(ec.value()), ec); - } - return result; -} -#endif - -GHC_INLINE path temp_directory_path(std::error_code& ec) noexcept -{ - ec.clear(); -#ifdef GHC_OS_WINDOWS - wchar_t buffer[512]; - auto rc = GetTempPathW(511, buffer); - if (!rc || rc > 511) { - ec = detail::make_system_error(); - return path(); - } - return path(std::wstring(buffer)); -#else - static const char* temp_vars[] = {"TMPDIR", "TMP", "TEMP", "TEMPDIR", nullptr}; - const char* temp_path = nullptr; - for (auto temp_name = temp_vars; *temp_name != nullptr; ++temp_name) { - temp_path = std::getenv(*temp_name); - if (temp_path) { - return path(temp_path); - } - } - return path("/tmp"); -#endif -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE path weakly_canonical(const path& p) -{ - std::error_code ec; - auto result = weakly_canonical(p, ec); - if (ec) { - throw filesystem_error(detail::systemErrorText(ec.value()), p, ec); - } - return result; -} -#endif - -GHC_INLINE path weakly_canonical(const path& p, std::error_code& ec) noexcept -{ - path result; - ec.clear(); - bool scan = true; - for (auto pe : p) { - if (scan) { - std::error_code tec; - if (exists(result / pe, tec)) { - result /= pe; - } - else { - if (ec) { - return path(); - } - scan = false; - if (!result.empty()) { - result = canonical(result, ec) / pe; - if (ec) { - break; - } - } - else { - result /= pe; - } - } - } - else { - result /= pe; - } - } - if (scan) { - if (!result.empty()) { - result = canonical(result, ec); - } - } - return ec ? path() : result.lexically_normal(); -} - -//----------------------------------------------------------------------------- -// [fs.class.file_status] class file_status -// [fs.file_status.cons] constructors and destructor -GHC_INLINE file_status::file_status() noexcept - : file_status(file_type::none) -{ -} - -GHC_INLINE file_status::file_status(file_type ft, perms prms) noexcept - : _type(ft) - , _perms(prms) -{ -} - -GHC_INLINE file_status::file_status(const file_status& other) noexcept - : _type(other._type) - , _perms(other._perms) -{ -} - -GHC_INLINE file_status::file_status(file_status&& other) noexcept - : _type(other._type) - , _perms(other._perms) -{ -} - -GHC_INLINE file_status::~file_status() {} - -// assignments: -GHC_INLINE file_status& file_status::operator=(const file_status& rhs) noexcept -{ - _type = rhs._type; - _perms = rhs._perms; - return *this; -} - -GHC_INLINE file_status& file_status::operator=(file_status&& rhs) noexcept -{ - _type = rhs._type; - _perms = rhs._perms; - return *this; -} - -// [fs.file_status.mods] modifiers -GHC_INLINE void file_status::type(file_type ft) noexcept -{ - _type = ft; -} - -GHC_INLINE void file_status::permissions(perms prms) noexcept -{ - _perms = prms; -} - -// [fs.file_status.obs] observers -GHC_INLINE file_type file_status::type() const noexcept -{ - return _type; -} - -GHC_INLINE perms file_status::permissions() const noexcept -{ - return _perms; -} - -//----------------------------------------------------------------------------- -// [fs.class.directory_entry] class directory_entry -// [fs.dir.entry.cons] constructors and destructor -// directory_entry::directory_entry() noexcept = default; -// directory_entry::directory_entry(const directory_entry&) = default; -// directory_entry::directory_entry(directory_entry&&) noexcept = default; -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE directory_entry::directory_entry(const filesystem::path& p) - : _path(p) - , _file_size(static_cast(-1)) -#ifndef GHC_OS_WINDOWS - , _hard_link_count(static_cast(-1)) -#endif - , _last_write_time(0) -{ - refresh(); -} -#endif - -GHC_INLINE directory_entry::directory_entry(const filesystem::path& p, std::error_code& ec) - : _path(p) - , _file_size(static_cast(-1)) -#ifndef GHC_OS_WINDOWS - , _hard_link_count(static_cast(-1)) -#endif - , _last_write_time(0) -{ - refresh(ec); -} - -GHC_INLINE directory_entry::~directory_entry() {} - -// assignments: -// directory_entry& directory_entry::operator=(const directory_entry&) = default; -// directory_entry& directory_entry::operator=(directory_entry&&) noexcept = default; - -// [fs.dir.entry.mods] directory_entry modifiers -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE void directory_entry::assign(const filesystem::path& p) -{ - _path = p; - refresh(); -} -#endif - -GHC_INLINE void directory_entry::assign(const filesystem::path& p, std::error_code& ec) -{ - _path = p; - refresh(ec); -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE void directory_entry::replace_filename(const filesystem::path& p) -{ - _path.replace_filename(p); - refresh(); -} -#endif - -GHC_INLINE void directory_entry::replace_filename(const filesystem::path& p, std::error_code& ec) -{ - _path.replace_filename(p); - refresh(ec); -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE void directory_entry::refresh() -{ - std::error_code ec; - refresh(ec); - if (ec) { - throw filesystem_error(detail::systemErrorText(ec.value()), _path, ec); - } -} -#endif - -GHC_INLINE void directory_entry::refresh(std::error_code& ec) noexcept -{ -#ifdef GHC_OS_WINDOWS - _status = detail::status_ex(_path, ec, &_symlink_status, &_file_size, nullptr, &_last_write_time); -#else - _status = detail::status_ex(_path, ec, &_symlink_status, &_file_size, &_hard_link_count, &_last_write_time); -#endif -} - -// [fs.dir.entry.obs] directory_entry observers -GHC_INLINE const filesystem::path& directory_entry::path() const noexcept -{ - return _path; -} - -GHC_INLINE directory_entry::operator const filesystem::path&() const noexcept -{ - return _path; -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE file_type directory_entry::status_file_type() const -{ - return _status.type() != file_type::none ? _status.type() : filesystem::status(path()).type(); -} -#endif - -GHC_INLINE file_type directory_entry::status_file_type(std::error_code& ec) const noexcept -{ - if(_status.type() != file_type::none) { - ec.clear(); - return _status.type(); - } - return filesystem::status(path(), ec).type(); -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE bool directory_entry::exists() const -{ - return status_file_type() != file_type::not_found; -} -#endif - -GHC_INLINE bool directory_entry::exists(std::error_code& ec) const noexcept -{ - return status_file_type(ec) != file_type::not_found; -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE bool directory_entry::is_block_file() const -{ - return status_file_type() == file_type::block; -} -#endif -GHC_INLINE bool directory_entry::is_block_file(std::error_code& ec) const noexcept -{ - return status_file_type(ec) == file_type::block; -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE bool directory_entry::is_character_file() const -{ - return status_file_type() == file_type::character; -} -#endif - -GHC_INLINE bool directory_entry::is_character_file(std::error_code& ec) const noexcept -{ - return status_file_type(ec) == file_type::character; -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE bool directory_entry::is_directory() const -{ - return status_file_type() == file_type::directory; -} -#endif - -GHC_INLINE bool directory_entry::is_directory(std::error_code& ec) const noexcept -{ - return status_file_type(ec) == file_type::directory; -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE bool directory_entry::is_fifo() const -{ - return status_file_type() == file_type::fifo; -} -#endif - -GHC_INLINE bool directory_entry::is_fifo(std::error_code& ec) const noexcept -{ - return status_file_type(ec) == file_type::fifo; -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE bool directory_entry::is_other() const -{ - auto ft = status_file_type(); - return ft != file_type::none && ft != file_type::not_found && ft != file_type::regular && ft != file_type::directory && !is_symlink(); -} -#endif - -GHC_INLINE bool directory_entry::is_other(std::error_code& ec) const noexcept -{ - auto ft = status_file_type(ec); - bool other = ft != file_type::none && ft != file_type::not_found && ft != file_type::regular && ft != file_type::directory && !is_symlink(ec); - return !ec && other; -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE bool directory_entry::is_regular_file() const -{ - return status_file_type() == file_type::regular; -} -#endif - -GHC_INLINE bool directory_entry::is_regular_file(std::error_code& ec) const noexcept -{ - return status_file_type(ec) == file_type::regular; -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE bool directory_entry::is_socket() const -{ - return status_file_type() == file_type::socket; -} -#endif - -GHC_INLINE bool directory_entry::is_socket(std::error_code& ec) const noexcept -{ - return status_file_type(ec) == file_type::socket; -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE bool directory_entry::is_symlink() const -{ - return _symlink_status.type() != file_type::none ? _symlink_status.type() == file_type::symlink : filesystem::is_symlink(symlink_status()); -} -#endif - -GHC_INLINE bool directory_entry::is_symlink(std::error_code& ec) const noexcept -{ - if(_symlink_status.type() != file_type::none) { - ec.clear(); - return _symlink_status.type() == file_type::symlink; - } - return filesystem::is_symlink(symlink_status(ec)); -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE uintmax_t directory_entry::file_size() const -{ - if (_file_size != static_cast(-1)) { - return _file_size; - } - return filesystem::file_size(path()); -} -#endif - -GHC_INLINE uintmax_t directory_entry::file_size(std::error_code& ec) const noexcept -{ - if (_file_size != static_cast(-1)) { - ec.clear(); - return _file_size; - } - return filesystem::file_size(path(), ec); -} - -#ifndef GHC_OS_WEB -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE uintmax_t directory_entry::hard_link_count() const -{ -#ifndef GHC_OS_WINDOWS - if (_hard_link_count != static_cast(-1)) { - return _hard_link_count; - } -#endif - return filesystem::hard_link_count(path()); -} -#endif - -GHC_INLINE uintmax_t directory_entry::hard_link_count(std::error_code& ec) const noexcept -{ -#ifndef GHC_OS_WINDOWS - if (_hard_link_count != static_cast(-1)) { - ec.clear(); - return _hard_link_count; - } -#endif - return filesystem::hard_link_count(path(), ec); -} -#endif - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE file_time_type directory_entry::last_write_time() const -{ - if (_last_write_time != 0) { - return std::chrono::system_clock::from_time_t(_last_write_time); - } - return filesystem::last_write_time(path()); -} -#endif - -GHC_INLINE file_time_type directory_entry::last_write_time(std::error_code& ec) const noexcept -{ - if (_last_write_time != 0) { - ec.clear(); - return std::chrono::system_clock::from_time_t(_last_write_time); - } - return filesystem::last_write_time(path(), ec); -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE file_status directory_entry::status() const -{ - if (_status.type() != file_type::none && _status.permissions() != perms::unknown) { - return _status; - } - return filesystem::status(path()); -} -#endif - -GHC_INLINE file_status directory_entry::status(std::error_code& ec) const noexcept -{ - if (_status.type() != file_type::none && _status.permissions() != perms::unknown) { - ec.clear(); - return _status; - } - return filesystem::status(path(), ec); -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE file_status directory_entry::symlink_status() const -{ - if (_symlink_status.type() != file_type::none && _symlink_status.permissions() != perms::unknown) { - return _symlink_status; - } - return filesystem::symlink_status(path()); -} -#endif - -GHC_INLINE file_status directory_entry::symlink_status(std::error_code& ec) const noexcept -{ - if (_symlink_status.type() != file_type::none && _symlink_status.permissions() != perms::unknown) { - ec.clear(); - return _symlink_status; - } - return filesystem::symlink_status(path(), ec); -} - -#ifdef GHC_HAS_THREEWAY_COMP -GHC_INLINE std::strong_ordering directory_entry::operator<=>(const directory_entry& rhs) const noexcept -{ - return _path <=> rhs._path; -} -#endif - -GHC_INLINE bool directory_entry::operator<(const directory_entry& rhs) const noexcept -{ - return _path < rhs._path; -} - -GHC_INLINE bool directory_entry::operator==(const directory_entry& rhs) const noexcept -{ - return _path == rhs._path; -} - -GHC_INLINE bool directory_entry::operator!=(const directory_entry& rhs) const noexcept -{ - return _path != rhs._path; -} - -GHC_INLINE bool directory_entry::operator<=(const directory_entry& rhs) const noexcept -{ - return _path <= rhs._path; -} - -GHC_INLINE bool directory_entry::operator>(const directory_entry& rhs) const noexcept -{ - return _path > rhs._path; -} - -GHC_INLINE bool directory_entry::operator>=(const directory_entry& rhs) const noexcept -{ - return _path >= rhs._path; -} - -//----------------------------------------------------------------------------- -// [fs.class.directory_iterator] class directory_iterator - -#ifdef GHC_OS_WINDOWS -class directory_iterator::impl -{ -public: - impl(const path& p, directory_options options) - : _base(p) - , _options(options) - , _dirHandle(INVALID_HANDLE_VALUE) - { - if (!_base.empty()) { - ZeroMemory(&_findData, sizeof(WIN32_FIND_DATAW)); - if ((_dirHandle = FindFirstFileW(GHC_NATIVEWP((_base / "*")), &_findData)) != INVALID_HANDLE_VALUE) { - if (std::wstring(_findData.cFileName) == L"." || std::wstring(_findData.cFileName) == L"..") { - increment(_ec); - } - else { - _dir_entry._path = _base / std::wstring(_findData.cFileName); - copyToDirEntry(_ec); - } - } - else { - auto error = ::GetLastError(); - _base = filesystem::path(); - if (error != ERROR_ACCESS_DENIED || (options & directory_options::skip_permission_denied) == directory_options::none) { - _ec = detail::make_system_error(); - } - } - } - } - impl(const impl& other) = delete; - ~impl() - { - if (_dirHandle != INVALID_HANDLE_VALUE) { - FindClose(_dirHandle); - _dirHandle = INVALID_HANDLE_VALUE; - } - } - void increment(std::error_code& ec) - { - if (_dirHandle != INVALID_HANDLE_VALUE) { - do { - if (FindNextFileW(_dirHandle, &_findData)) { - _dir_entry._path = _base; -#ifdef GHC_USE_WCHAR_T - _dir_entry._path.append_name(_findData.cFileName); -#else -#ifdef GHC_RAISE_UNICODE_ERRORS - try { - _dir_entry._path.append_name(detail::toUtf8(_findData.cFileName).c_str()); - } - catch (filesystem_error& fe) { - ec = fe.code(); - return; - } -#else - _dir_entry._path.append_name(detail::toUtf8(_findData.cFileName).c_str()); -#endif -#endif - copyToDirEntry(ec); - } - else { - auto err = ::GetLastError(); - if (err != ERROR_NO_MORE_FILES) { - _ec = ec = detail::make_system_error(err); - } - FindClose(_dirHandle); - _dirHandle = INVALID_HANDLE_VALUE; - _dir_entry._path.clear(); - break; - } - } while (std::wstring(_findData.cFileName) == L"." || std::wstring(_findData.cFileName) == L".."); - } - else { - ec = _ec; - } - } - void copyToDirEntry(std::error_code& ec) - { - if (_findData.dwFileAttributes & FILE_ATTRIBUTE_REPARSE_POINT) { - _dir_entry._status = detail::status_ex(_dir_entry._path, ec, &_dir_entry._symlink_status, &_dir_entry._file_size, nullptr, &_dir_entry._last_write_time); - } - else { - _dir_entry._status = detail::status_from_INFO(_dir_entry._path, &_findData, ec, &_dir_entry._file_size, &_dir_entry._last_write_time); - _dir_entry._symlink_status = _dir_entry._status; - } - if (ec) { - if (_dir_entry._status.type() != file_type::none && _dir_entry._symlink_status.type() != file_type::none) { - ec.clear(); - } - else { - _dir_entry._file_size = static_cast(-1); - _dir_entry._last_write_time = 0; - } - } - } - path _base; - directory_options _options; - WIN32_FIND_DATAW _findData; - HANDLE _dirHandle; - directory_entry _dir_entry; - std::error_code _ec; -}; -#else -// POSIX implementation -class directory_iterator::impl -{ -public: - impl(const path& path, directory_options options) - : _base(path) - , _options(options) - , _dir(nullptr) - , _entry(nullptr) - { - if (!path.empty()) { - _dir = ::opendir(path.native().c_str()); - if (!_dir) { - auto error = errno; - _base = filesystem::path(); - if ((error != EACCES && error != EPERM) || (options & directory_options::skip_permission_denied) == directory_options::none) { - _ec = detail::make_system_error(); - } - } - else { - increment(_ec); - } - } - } - impl(const impl& other) = delete; - ~impl() - { - if (_dir) { - ::closedir(_dir); - } - } - void increment(std::error_code& ec) - { - if (_dir) { - bool skip; - do { - skip = false; - errno = 0; - _entry = ::readdir(_dir); - if (_entry) { - _dir_entry._path = _base; - _dir_entry._path.append_name(_entry->d_name); - copyToDirEntry(); - if (ec && (ec.value() == EACCES || ec.value() == EPERM) && (_options & directory_options::skip_permission_denied) == directory_options::skip_permission_denied) { - ec.clear(); - skip = true; - } - } - else { - ::closedir(_dir); - _dir = nullptr; - _dir_entry._path.clear(); - if (errno) { - ec = detail::make_system_error(); - } - break; - } - } while (skip || std::strcmp(_entry->d_name, ".") == 0 || std::strcmp(_entry->d_name, "..") == 0); - } - } - - void copyToDirEntry() - { -#ifdef GHC_NO_DIRENT_D_TYPE - _dir_entry._symlink_status = file_status(); - _dir_entry._status = file_status(); -#else - _dir_entry._symlink_status.permissions(perms::unknown); - switch(_entry->d_type) { - case DT_BLK: _dir_entry._symlink_status.type(file_type::block); break; - case DT_CHR: _dir_entry._symlink_status.type(file_type::character); break; - case DT_DIR: _dir_entry._symlink_status.type(file_type::directory); break; - case DT_FIFO: _dir_entry._symlink_status.type(file_type::fifo); break; - case DT_LNK: _dir_entry._symlink_status.type(file_type::symlink); break; - case DT_REG: _dir_entry._symlink_status.type(file_type::regular); break; - case DT_SOCK: _dir_entry._symlink_status.type(file_type::socket); break; - case DT_UNKNOWN: _dir_entry._symlink_status.type(file_type::none); break; - default: _dir_entry._symlink_status.type(file_type::unknown); break; - } - if (_entry->d_type != DT_LNK) { - _dir_entry._status = _dir_entry._symlink_status; - } - else { - _dir_entry._status.type(file_type::none); - _dir_entry._status.permissions(perms::unknown); - } -#endif - _dir_entry._file_size = static_cast(-1); - _dir_entry._hard_link_count = static_cast(-1); - _dir_entry._last_write_time = 0; - } - path _base; - directory_options _options; - DIR* _dir; - struct ::dirent* _entry; - directory_entry _dir_entry; - std::error_code _ec; -}; -#endif - -// [fs.dir.itr.members] member functions -GHC_INLINE directory_iterator::directory_iterator() noexcept - : _impl(new impl(path(), directory_options::none)) -{ -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE directory_iterator::directory_iterator(const path& p) - : _impl(new impl(p, directory_options::none)) -{ - if (_impl->_ec) { - throw filesystem_error(detail::systemErrorText(_impl->_ec.value()), p, _impl->_ec); - } - _impl->_ec.clear(); -} - -GHC_INLINE directory_iterator::directory_iterator(const path& p, directory_options options) - : _impl(new impl(p, options)) -{ - if (_impl->_ec) { - throw filesystem_error(detail::systemErrorText(_impl->_ec.value()), p, _impl->_ec); - } -} -#endif - -GHC_INLINE directory_iterator::directory_iterator(const path& p, std::error_code& ec) noexcept - : _impl(new impl(p, directory_options::none)) -{ - if (_impl->_ec) { - ec = _impl->_ec; - } -} - -GHC_INLINE directory_iterator::directory_iterator(const path& p, directory_options options, std::error_code& ec) noexcept - : _impl(new impl(p, options)) -{ - if (_impl->_ec) { - ec = _impl->_ec; - } -} - -GHC_INLINE directory_iterator::directory_iterator(const directory_iterator& rhs) - : _impl(rhs._impl) -{ -} - -GHC_INLINE directory_iterator::directory_iterator(directory_iterator&& rhs) noexcept - : _impl(std::move(rhs._impl)) -{ -} - -GHC_INLINE directory_iterator::~directory_iterator() {} - -GHC_INLINE directory_iterator& directory_iterator::operator=(const directory_iterator& rhs) -{ - _impl = rhs._impl; - return *this; -} - -GHC_INLINE directory_iterator& directory_iterator::operator=(directory_iterator&& rhs) noexcept -{ - _impl = std::move(rhs._impl); - return *this; -} - -GHC_INLINE const directory_entry& directory_iterator::operator*() const -{ - return _impl->_dir_entry; -} - -GHC_INLINE const directory_entry* directory_iterator::operator->() const -{ - return &_impl->_dir_entry; -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE directory_iterator& directory_iterator::operator++() -{ - std::error_code ec; - _impl->increment(ec); - if (ec) { - throw filesystem_error(detail::systemErrorText(ec.value()), _impl->_dir_entry._path, ec); - } - return *this; -} -#endif - -GHC_INLINE directory_iterator& directory_iterator::increment(std::error_code& ec) noexcept -{ - _impl->increment(ec); - return *this; -} - -GHC_INLINE bool directory_iterator::operator==(const directory_iterator& rhs) const -{ - return _impl->_dir_entry._path == rhs._impl->_dir_entry._path; -} - -GHC_INLINE bool directory_iterator::operator!=(const directory_iterator& rhs) const -{ - return _impl->_dir_entry._path != rhs._impl->_dir_entry._path; -} - -// [fs.dir.itr.nonmembers] directory_iterator non-member functions - -GHC_INLINE directory_iterator begin(directory_iterator iter) noexcept -{ - return iter; -} - -GHC_INLINE directory_iterator end(const directory_iterator&) noexcept -{ - return directory_iterator(); -} - -//----------------------------------------------------------------------------- -// [fs.class.rec.dir.itr] class recursive_directory_iterator - -GHC_INLINE recursive_directory_iterator::recursive_directory_iterator() noexcept - : _impl(new recursive_directory_iterator_impl(directory_options::none, true)) -{ - _impl->_dir_iter_stack.push(directory_iterator()); -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE recursive_directory_iterator::recursive_directory_iterator(const path& p) - : _impl(new recursive_directory_iterator_impl(directory_options::none, true)) -{ - _impl->_dir_iter_stack.push(directory_iterator(p)); -} - -GHC_INLINE recursive_directory_iterator::recursive_directory_iterator(const path& p, directory_options options) - : _impl(new recursive_directory_iterator_impl(options, true)) -{ - _impl->_dir_iter_stack.push(directory_iterator(p, options)); -} -#endif - -GHC_INLINE recursive_directory_iterator::recursive_directory_iterator(const path& p, directory_options options, std::error_code& ec) noexcept - : _impl(new recursive_directory_iterator_impl(options, true)) -{ - _impl->_dir_iter_stack.push(directory_iterator(p, options, ec)); -} - -GHC_INLINE recursive_directory_iterator::recursive_directory_iterator(const path& p, std::error_code& ec) noexcept - : _impl(new recursive_directory_iterator_impl(directory_options::none, true)) -{ - _impl->_dir_iter_stack.push(directory_iterator(p, ec)); -} - -GHC_INLINE recursive_directory_iterator::recursive_directory_iterator(const recursive_directory_iterator& rhs) - : _impl(rhs._impl) -{ -} - -GHC_INLINE recursive_directory_iterator::recursive_directory_iterator(recursive_directory_iterator&& rhs) noexcept - : _impl(std::move(rhs._impl)) -{ -} - -GHC_INLINE recursive_directory_iterator::~recursive_directory_iterator() {} - -// [fs.rec.dir.itr.members] observers -GHC_INLINE directory_options recursive_directory_iterator::options() const -{ - return _impl->_options; -} - -GHC_INLINE int recursive_directory_iterator::depth() const -{ - return static_cast(_impl->_dir_iter_stack.size() - 1); -} - -GHC_INLINE bool recursive_directory_iterator::recursion_pending() const -{ - return _impl->_recursion_pending; -} - -GHC_INLINE const directory_entry& recursive_directory_iterator::operator*() const -{ - return *(_impl->_dir_iter_stack.top()); -} - -GHC_INLINE const directory_entry* recursive_directory_iterator::operator->() const -{ - return &(*(_impl->_dir_iter_stack.top())); -} - -// [fs.rec.dir.itr.members] modifiers recursive_directory_iterator& -GHC_INLINE recursive_directory_iterator& recursive_directory_iterator::operator=(const recursive_directory_iterator& rhs) -{ - _impl = rhs._impl; - return *this; -} - -GHC_INLINE recursive_directory_iterator& recursive_directory_iterator::operator=(recursive_directory_iterator&& rhs) noexcept -{ - _impl = std::move(rhs._impl); - return *this; -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE recursive_directory_iterator& recursive_directory_iterator::operator++() -{ - std::error_code ec; - increment(ec); - if (ec) { - throw filesystem_error(detail::systemErrorText(ec.value()), _impl->_dir_iter_stack.empty() ? path() : _impl->_dir_iter_stack.top()->path(), ec); - } - return *this; -} -#endif - -GHC_INLINE recursive_directory_iterator& recursive_directory_iterator::increment(std::error_code& ec) noexcept -{ - bool isSymLink = (*this)->is_symlink(ec); - bool isDir = !ec && (*this)->is_directory(ec); - if(isSymLink && detail::is_not_found_error(ec)) { - ec.clear(); - } - if(!ec) { - if (recursion_pending() && isDir && (!isSymLink || (options() & directory_options::follow_directory_symlink) != directory_options::none)) { - _impl->_dir_iter_stack.push(directory_iterator((*this)->path(), _impl->_options, ec)); - } - else { - _impl->_dir_iter_stack.top().increment(ec); - } - if (!ec) { - while (depth() && _impl->_dir_iter_stack.top() == directory_iterator()) { - _impl->_dir_iter_stack.pop(); - _impl->_dir_iter_stack.top().increment(ec); - } - } - else if (!_impl->_dir_iter_stack.empty()) { - _impl->_dir_iter_stack.pop(); - } - _impl->_recursion_pending = true; - } - return *this; -} - -#ifdef GHC_WITH_EXCEPTIONS -GHC_INLINE void recursive_directory_iterator::pop() -{ - std::error_code ec; - pop(ec); - if (ec) { - throw filesystem_error(detail::systemErrorText(ec.value()), _impl->_dir_iter_stack.empty() ? path() : _impl->_dir_iter_stack.top()->path(), ec); - } -} -#endif - -GHC_INLINE void recursive_directory_iterator::pop(std::error_code& ec) -{ - if (depth() == 0) { - *this = recursive_directory_iterator(); - } - else { - do { - _impl->_dir_iter_stack.pop(); - _impl->_dir_iter_stack.top().increment(ec); - } while (depth() && _impl->_dir_iter_stack.top() == directory_iterator()); - } -} - -GHC_INLINE void recursive_directory_iterator::disable_recursion_pending() -{ - _impl->_recursion_pending = false; -} - -// other members as required by [input.iterators] -GHC_INLINE bool recursive_directory_iterator::operator==(const recursive_directory_iterator& rhs) const -{ - return _impl->_dir_iter_stack.top() == rhs._impl->_dir_iter_stack.top(); -} - -GHC_INLINE bool recursive_directory_iterator::operator!=(const recursive_directory_iterator& rhs) const -{ - return _impl->_dir_iter_stack.top() != rhs._impl->_dir_iter_stack.top(); -} - -// [fs.rec.dir.itr.nonmembers] directory_iterator non-member functions -GHC_INLINE recursive_directory_iterator begin(recursive_directory_iterator iter) noexcept -{ - return iter; -} - -GHC_INLINE recursive_directory_iterator end(const recursive_directory_iterator&) noexcept -{ - return recursive_directory_iterator(); -} - -#endif // GHC_EXPAND_IMPL - -} // namespace filesystem -} // namespace ghc - -// cleanup some macros -#undef GHC_INLINE -#undef GHC_EXPAND_IMPL - -#endif // GHC_FILESYSTEM_H diff --git a/include/ion-bb-image-io/ghc/fs_fwd.hpp b/include/ion-bb-image-io/ghc/fs_fwd.hpp deleted file mode 100644 index 31188d16..00000000 --- a/include/ion-bb-image-io/ghc/fs_fwd.hpp +++ /dev/null @@ -1,38 +0,0 @@ -//--------------------------------------------------------------------------------------- -// -// ghc::filesystem - A C++17-like filesystem implementation for C++11/C++14 -// -//--------------------------------------------------------------------------------------- -// -// Copyright (c) 2018, Steffen Schümann -// -// Permission is hereby granted, free of charge, to any person obtaining a copy -// of this software and associated documentation files (the "Software"), to deal -// in the Software without restriction, including without limitation the rights -// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -// copies of the Software, and to permit persons to whom the Software is -// furnished to do so, subject to the following conditions: -// -// The above copyright notice and this permission notice shall be included in all -// copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -// SOFTWARE. -// -//--------------------------------------------------------------------------------------- -// fs_fwd.hpp - The forwarding header for the header/implementation seperated usage of -// ghc::filesystem. -// This file can be include at any place, where ghc::filesystem api is needed while -// not bleeding implementation details (e.g. system includes) into the global namespace, -// as long as one cpp includes fs_impl.hpp to deliver the matching implementations. -//--------------------------------------------------------------------------------------- -#ifndef GHC_FILESYSTEM_FWD_H -#define GHC_FILESYSTEM_FWD_H -#define GHC_FILESYSTEM_FWD -#include -#endif // GHC_FILESYSTEM_FWD_H diff --git a/include/ion-bb-image-io/ghc/fs_impl.hpp b/include/ion-bb-image-io/ghc/fs_impl.hpp deleted file mode 100644 index 92e3eaef..00000000 --- a/include/ion-bb-image-io/ghc/fs_impl.hpp +++ /dev/null @@ -1,35 +0,0 @@ -//--------------------------------------------------------------------------------------- -// -// ghc::filesystem - A C++17-like filesystem implementation for C++11/C++14 -// -//--------------------------------------------------------------------------------------- -// -// Copyright (c) 2018, Steffen Schümann -// -// Permission is hereby granted, free of charge, to any person obtaining a copy -// of this software and associated documentation files (the "Software"), to deal -// in the Software without restriction, including without limitation the rights -// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -// copies of the Software, and to permit persons to whom the Software is -// furnished to do so, subject to the following conditions: -// -// The above copyright notice and this permission notice shall be included in all -// copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -// SOFTWARE. -// -//--------------------------------------------------------------------------------------- -// fs_impl.hpp - The implementation header for the header/implementation seperated usage of -// ghc::filesystem. -// This file can be used to hide the implementation of ghc::filesystem into a single cpp. -// The cpp has to include this before including fs_fwd.hpp directly or via a different -// header to work. -//--------------------------------------------------------------------------------------- -#define GHC_FILESYSTEM_IMPLEMENTATION -#include diff --git a/include/ion-bb-image-io/ghc/fs_std.hpp b/include/ion-bb-image-io/ghc/fs_std.hpp deleted file mode 100644 index c9492fdc..00000000 --- a/include/ion-bb-image-io/ghc/fs_std.hpp +++ /dev/null @@ -1,60 +0,0 @@ -//--------------------------------------------------------------------------------------- -// -// ghc::filesystem - A C++17-like filesystem implementation for C++11/C++14 -// -//--------------------------------------------------------------------------------------- -// -// Copyright (c) 2018, Steffen Schümann -// -// Permission is hereby granted, free of charge, to any person obtaining a copy -// of this software and associated documentation files (the "Software"), to deal -// in the Software without restriction, including without limitation the rights -// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -// copies of the Software, and to permit persons to whom the Software is -// furnished to do so, subject to the following conditions: -// -// The above copyright notice and this permission notice shall be included in all -// copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -// SOFTWARE. -// -//--------------------------------------------------------------------------------------- -// fs_std.hpp - The dynamic switching header that includes std::filesystem if detected -// or ghc::filesystem if not, and makes the resulting API available in the -// namespace fs. -//--------------------------------------------------------------------------------------- -#ifndef GHC_FILESYSTEM_STD_H -#define GHC_FILESYSTEM_STD_H -#if defined(__APPLE__) -#include -#endif -#if ((defined(_MSVC_LANG) && _MSVC_LANG >= 201703L) || (defined(__cplusplus) && __cplusplus >= 201703L)) && defined(__has_include) -#if __has_include() && (!defined(__MAC_OS_X_VERSION_MIN_REQUIRED) || __MAC_OS_X_VERSION_MIN_REQUIRED >= 101500) -#define GHC_USE_STD_FS -#include -namespace fs { -using namespace std::filesystem; -using ifstream = std::ifstream; -using ofstream = std::ofstream; -using fstream = std::fstream; -} -#endif -#endif -#ifndef GHC_USE_STD_FS -//#define GHC_WIN_DISABLE_WSTRING_STORAGE_TYPE -#include -namespace fs { -using namespace ghc::filesystem; -using ifstream = ghc::filesystem::ifstream; -using ofstream = ghc::filesystem::ofstream; -using fstream = ghc::filesystem::fstream; -} -#endif -#endif // GHC_FILESYSTEM_STD_H - diff --git a/include/ion-bb-image-io/ghc/fs_std_fwd.hpp b/include/ion-bb-image-io/ghc/fs_std_fwd.hpp deleted file mode 100644 index 163c956a..00000000 --- a/include/ion-bb-image-io/ghc/fs_std_fwd.hpp +++ /dev/null @@ -1,63 +0,0 @@ -//--------------------------------------------------------------------------------------- -// -// ghc::filesystem - A C++17-like filesystem implementation for C++11/C++14 -// -//--------------------------------------------------------------------------------------- -// -// Copyright (c) 2018, Steffen Schümann -// -// Permission is hereby granted, free of charge, to any person obtaining a copy -// of this software and associated documentation files (the "Software"), to deal -// in the Software without restriction, including without limitation the rights -// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -// copies of the Software, and to permit persons to whom the Software is -// furnished to do so, subject to the following conditions: -// -// The above copyright notice and this permission notice shall be included in all -// copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -// SOFTWARE. -// -//--------------------------------------------------------------------------------------- -// fs_std_fwd.hpp - The forwarding header for the header/implementation seperated usage of -// ghc::filesystem that uses std::filesystem if it detects it. -// This file can be include at any place, where fs::filesystem api is needed while -// not bleeding implementation details (e.g. system includes) into the global namespace, -// as long as one cpp includes fs_std_impl.hpp to deliver the matching implementations. -//--------------------------------------------------------------------------------------- -#ifndef GHC_FILESYSTEM_STD_FWD_H -#define GHC_FILESYSTEM_STD_FWD_H -#if defined(__APPLE__) -#include -#endif -#if ((defined(_MSVC_LANG) && _MSVC_LANG >= 201703L) || (defined(__cplusplus) && __cplusplus >= 201703L)) && defined(__has_include) -#if __has_include() && (!defined(__MAC_OS_X_VERSION_MIN_REQUIRED) || __MAC_OS_X_VERSION_MIN_REQUIRED >= 101500) -#define GHC_USE_STD_FS -#include -namespace fs { -using namespace std::filesystem; -using ifstream = std::ifstream; -using ofstream = std::ofstream; -using fstream = std::fstream; -} -#endif -#endif -#ifndef GHC_USE_STD_FS -//#define GHC_WIN_DISABLE_WSTRING_STORAGE_TYPE -#define GHC_FILESYSTEM_FWD -#include -namespace fs { -using namespace ghc::filesystem; -using ifstream = ghc::filesystem::ifstream; -using ofstream = ghc::filesystem::ofstream; -using fstream = ghc::filesystem::fstream; -} -#endif -#endif // GHC_FILESYSTEM_STD_FWD_H - diff --git a/include/ion-bb-image-io/ghc/fs_std_impl.hpp b/include/ion-bb-image-io/ghc/fs_std_impl.hpp deleted file mode 100644 index 7042edca..00000000 --- a/include/ion-bb-image-io/ghc/fs_std_impl.hpp +++ /dev/null @@ -1,46 +0,0 @@ -//--------------------------------------------------------------------------------------- -// -// ghc::filesystem - A C++17-like filesystem implementation for C++11/C++14 -// -//--------------------------------------------------------------------------------------- -// -// Copyright (c) 2018, Steffen Schümann -// -// Permission is hereby granted, free of charge, to any person obtaining a copy -// of this software and associated documentation files (the "Software"), to deal -// in the Software without restriction, including without limitation the rights -// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -// copies of the Software, and to permit persons to whom the Software is -// furnished to do so, subject to the following conditions: -// -// The above copyright notice and this permission notice shall be included in all -// copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -// SOFTWARE. -// -//--------------------------------------------------------------------------------------- -// fs_std_impl.hpp - The implementation header for the header/implementation seperated usage of -// ghc::filesystem that does nothing if std::filesystem is detected. -// This file can be used to hide the implementation of ghc::filesystem into a single cpp. -// The cpp has to include this before including fs_std_fwd.hpp directly or via a different -// header to work. -//--------------------------------------------------------------------------------------- -#if defined(__APPLE__) -#include -#endif -#if ((defined(_MSVC_LANG) && _MSVC_LANG >= 201703L) || (defined(__cplusplus) && __cplusplus >= 201703L)) && defined(__has_include) -#if __has_include() && (!defined(__MAC_OS_X_VERSION_MIN_REQUIRED) || __MAC_OS_X_VERSION_MIN_REQUIRED >= 101500) -#define GHC_USE_STD_FS -#endif -#endif -#ifndef GHC_USE_STD_FS -//#define GHC_WIN_DISABLE_WSTRING_STORAGE_TYPE -#define GHC_FILESYSTEM_IMPLEMENTATION -#include -#endif diff --git a/include/ion-bb-image-io/nlohmann/json_fwd.hpp b/include/ion-bb-image-io/nlohmann/json_fwd.hpp deleted file mode 100644 index 83c21f85..00000000 --- a/include/ion-bb-image-io/nlohmann/json_fwd.hpp +++ /dev/null @@ -1,175 +0,0 @@ -// __ _____ _____ _____ -// __| | __| | | | JSON for Modern C++ -// | | |__ | | | | | | version 3.11.2 -// |_____|_____|_____|_|___| https://github.com/nlohmann/json -// -// SPDX-FileCopyrightText: 2013-2022 Niels Lohmann -// SPDX-License-Identifier: MIT - -#ifndef INCLUDE_NLOHMANN_JSON_FWD_HPP_ -#define INCLUDE_NLOHMANN_JSON_FWD_HPP_ - -#include // int64_t, uint64_t -#include // map -#include // allocator -#include // string -#include // vector - -// #include -// __ _____ _____ _____ -// __| | __| | | | JSON for Modern C++ -// | | |__ | | | | | | version 3.11.2 -// |_____|_____|_____|_|___| https://github.com/nlohmann/json -// -// SPDX-FileCopyrightText: 2013-2022 Niels Lohmann -// SPDX-License-Identifier: MIT - - - -// This file contains all macro definitions affecting or depending on the ABI - -#ifndef JSON_SKIP_LIBRARY_VERSION_CHECK - #if defined(NLOHMANN_JSON_VERSION_MAJOR) && defined(NLOHMANN_JSON_VERSION_MINOR) && defined(NLOHMANN_JSON_VERSION_PATCH) - #if NLOHMANN_JSON_VERSION_MAJOR != 3 || NLOHMANN_JSON_VERSION_MINOR != 11 || NLOHMANN_JSON_VERSION_PATCH != 2 - #warning "Already included a different version of the library!" - #endif - #endif -#endif - -#define NLOHMANN_JSON_VERSION_MAJOR 3 // NOLINT(modernize-macro-to-enum) -#define NLOHMANN_JSON_VERSION_MINOR 11 // NOLINT(modernize-macro-to-enum) -#define NLOHMANN_JSON_VERSION_PATCH 2 // NOLINT(modernize-macro-to-enum) - -#ifndef JSON_DIAGNOSTICS - #define JSON_DIAGNOSTICS 0 -#endif - -#ifndef JSON_USE_LEGACY_DISCARDED_VALUE_COMPARISON - #define JSON_USE_LEGACY_DISCARDED_VALUE_COMPARISON 0 -#endif - -#if JSON_DIAGNOSTICS - #define NLOHMANN_JSON_ABI_TAG_DIAGNOSTICS _diag -#else - #define NLOHMANN_JSON_ABI_TAG_DIAGNOSTICS -#endif - -#if JSON_USE_LEGACY_DISCARDED_VALUE_COMPARISON - #define NLOHMANN_JSON_ABI_TAG_LEGACY_DISCARDED_VALUE_COMPARISON _ldvcmp -#else - #define NLOHMANN_JSON_ABI_TAG_LEGACY_DISCARDED_VALUE_COMPARISON -#endif - -#ifndef NLOHMANN_JSON_NAMESPACE_NO_VERSION - #define NLOHMANN_JSON_NAMESPACE_NO_VERSION 0 -#endif - -// Construct the namespace ABI tags component -#define NLOHMANN_JSON_ABI_TAGS_CONCAT_EX(a, b) json_abi ## a ## b -#define NLOHMANN_JSON_ABI_TAGS_CONCAT(a, b) \ - NLOHMANN_JSON_ABI_TAGS_CONCAT_EX(a, b) - -#define NLOHMANN_JSON_ABI_TAGS \ - NLOHMANN_JSON_ABI_TAGS_CONCAT( \ - NLOHMANN_JSON_ABI_TAG_DIAGNOSTICS, \ - NLOHMANN_JSON_ABI_TAG_LEGACY_DISCARDED_VALUE_COMPARISON) - -// Construct the namespace version component -#define NLOHMANN_JSON_NAMESPACE_VERSION_CONCAT_EX(major, minor, patch) \ - _v ## major ## _ ## minor ## _ ## patch -#define NLOHMANN_JSON_NAMESPACE_VERSION_CONCAT(major, minor, patch) \ - NLOHMANN_JSON_NAMESPACE_VERSION_CONCAT_EX(major, minor, patch) - -#if NLOHMANN_JSON_NAMESPACE_NO_VERSION -#define NLOHMANN_JSON_NAMESPACE_VERSION -#else -#define NLOHMANN_JSON_NAMESPACE_VERSION \ - NLOHMANN_JSON_NAMESPACE_VERSION_CONCAT(NLOHMANN_JSON_VERSION_MAJOR, \ - NLOHMANN_JSON_VERSION_MINOR, \ - NLOHMANN_JSON_VERSION_PATCH) -#endif - -// Combine namespace components -#define NLOHMANN_JSON_NAMESPACE_CONCAT_EX(a, b) a ## b -#define NLOHMANN_JSON_NAMESPACE_CONCAT(a, b) \ - NLOHMANN_JSON_NAMESPACE_CONCAT_EX(a, b) - -#ifndef NLOHMANN_JSON_NAMESPACE -#define NLOHMANN_JSON_NAMESPACE \ - nlohmann::NLOHMANN_JSON_NAMESPACE_CONCAT( \ - NLOHMANN_JSON_ABI_TAGS, \ - NLOHMANN_JSON_NAMESPACE_VERSION) -#endif - -#ifndef NLOHMANN_JSON_NAMESPACE_BEGIN -#define NLOHMANN_JSON_NAMESPACE_BEGIN \ - namespace nlohmann \ - { \ - inline namespace NLOHMANN_JSON_NAMESPACE_CONCAT( \ - NLOHMANN_JSON_ABI_TAGS, \ - NLOHMANN_JSON_NAMESPACE_VERSION) \ - { -#endif - -#ifndef NLOHMANN_JSON_NAMESPACE_END -#define NLOHMANN_JSON_NAMESPACE_END \ - } /* namespace (inline namespace) NOLINT(readability/namespace) */ \ - } // namespace nlohmann -#endif - - -/*! -@brief namespace for Niels Lohmann -@see https://github.com/nlohmann -@since version 1.0.0 -*/ -NLOHMANN_JSON_NAMESPACE_BEGIN - -/*! -@brief default JSONSerializer template argument - -This serializer ignores the template arguments and uses ADL -([argument-dependent lookup](https://en.cppreference.com/w/cpp/language/adl)) -for serialization. -*/ -template -struct adl_serializer; - -/// a class to store JSON values -/// @sa https://json.nlohmann.me/api/basic_json/ -template class ObjectType = - std::map, - template class ArrayType = std::vector, - class StringType = std::string, class BooleanType = bool, - class NumberIntegerType = std::int64_t, - class NumberUnsignedType = std::uint64_t, - class NumberFloatType = double, - template class AllocatorType = std::allocator, - template class JSONSerializer = - adl_serializer, - class BinaryType = std::vector> -class basic_json; - -/// @brief JSON Pointer defines a string syntax for identifying a specific value within a JSON document -/// @sa https://json.nlohmann.me/api/json_pointer/ -template -class json_pointer; - -/*! -@brief default specialization -@sa https://json.nlohmann.me/api/json/ -*/ -using json = basic_json<>; - -/// @brief a minimal map-like container that preserves insertion order -/// @sa https://json.nlohmann.me/api/ordered_map/ -template -struct ordered_map; - -/// @brief specialization that maintains the insertion order of object keys -/// @sa https://json.nlohmann.me/api/ordered_json/ -using ordered_json = basic_json; - -NLOHMANN_JSON_NAMESPACE_END - -#endif // INCLUDE_NLOHMANN_JSON_FWD_HPP_ diff --git a/include/ion-bb-image-io/sole.hpp b/include/ion-bb-image-io/sole.hpp deleted file mode 100644 index c1d6646a..00000000 --- a/include/ion-bb-image-io/sole.hpp +++ /dev/null @@ -1,903 +0,0 @@ -/* Sole is a lightweight C++11 library to generate universally unique identificators. - * Sole provides interface for UUID versions 0, 1 and 4. - - * https://github.com/r-lyeh/sole - * Copyright (c) 2013,2014,2015 r-lyeh. zlib/libpng licensed. - - * Based on code by Dmitri Bouianov, Philip O'Toole, Poco C++ libraries and anonymous - * code found on the net. Thanks guys! - - * Theory: (see Hoylen's answer at [1]) - * - UUID version 1 (48-bit MAC address + 60-bit clock with a resolution of 100ns) - * Clock wraps in 3603 A.D. - * Up to 10000000 UUIDs per second. - * MAC address revealed. - * - * - UUID Version 4 (122-bits of randomness) - * See [2] or other analysis that describe how very unlikely a duplicate is. - * - * - Use v1 if you need to sort or classify UUIDs per machine. - * Use v1 if you are worried about leaving it up to probabilities (e.g. your are the - * type of person worried about the earth getting destroyed by a large asteroid in your - * lifetime). Just use a v1 and it is guaranteed to be unique till 3603 AD. - * - * - Use v4 if you are worried about security issues and determinism. That is because - * v1 UUIDs reveal the MAC address of the machine it was generated on and they can be - * predictable. Use v4 if you need more than 10 million uuids per second, or if your - * application wants to live past 3603 A.D. - - * Additionally a custom UUID v0 is provided: - * - 16-bit PID + 48-bit MAC address + 60-bit clock with a resolution of 100ns since Unix epoch - * - Format is EPOCH_LOW-EPOCH_MID-VERSION(0)|EPOCH_HI-PID-MAC - * - Clock wraps in 3991 A.D. - * - Up to 10000000 UUIDs per second. - * - MAC address and PID revealed. - - * References: - * - [1] http://stackoverflow.com/questions/1155008/how-unique-is-uuid - * - [2] http://en.wikipedia.org/wiki/UUID#Random%5FUUID%5Fprobability%5Fof%5Fduplicates - * - http://en.wikipedia.org/wiki/Universally_unique_identifier - * - http://en.cppreference.com/w/cpp/numeric/random/random_device - * - http://www.itu.int/ITU-T/asn1/uuid.html f81d4fae-7dec-11d0-a765-00a0c91e6bf6 - - * - rlyeh ~~ listening to Hedon Cries / Until The Sun Goes up - */ - -////////////////////////////////////////////////////////////////////////////////////// -#ifndef SOLE_H -#define SOLE_H -// #pragma once -#include -#include // for size_t; should be stddef.h instead; however, clang+archlinux fails when compiling it (@Travis-Ci) -#include // for uint32_t; should be stdint.h instead; however, GCC 5 on OSX fails when compiling it (See issue #11) -#include -#include - -// public API - -#define SOLE_VERSION "1.0.1" /* (2017/05/16): Improve UUID4 and base62 performance; fix warnings -#define SOLE_VERSION "1.0.0" // (2016/02/03): Initial semver adherence; Switch to header-only; Remove warnings */ - -namespace sole -{ - // 128-bit basic UUID type that allows comparison and sorting. - // Use .str() for printing and .pretty() for pretty printing. - // Also, ostream friendly. - struct uuid - { - uint64_t ab; - uint64_t cd; - - bool operator==( const uuid &other ) const; - bool operator!=( const uuid &other ) const; - bool operator <( const uuid &other ) const; - - std::string pretty() const; - std::string base62() const; - std::string str() const; - - template - inline friend ostream &operator<<( ostream &os, const uuid &self ) { - return os << self.str(), os; - } - }; - - // Generators - uuid uuid0(); // UUID v0, pro: unique; cons: MAC revealed, pid revealed, predictable. - uuid uuid1(); // UUID v1, pro: unique; cons: MAC revealed, predictable. - uuid uuid4(); // UUID v4, pros: anonymous, fast; con: uuids "can clash" - - // Rebuilders - uuid rebuild( uint64_t ab, uint64_t cd ); - uuid rebuild( const std::string &uustr ); -} - -#ifdef _MSC_VER -#pragma warning(push) -#pragma warning(disable:4127) -#endif - -namespace std { - template<> - struct hash< sole::uuid > { - public: - // hash functor: hash uuid to size_t value by pseudorandomizing transform - size_t operator()( const sole::uuid &uuid ) const { - if( sizeof(size_t) > 4 ) { - return size_t( uuid.ab ^ uuid.cd ); - } else { - uint64_t hash64 = uuid.ab ^ uuid.cd; - return size_t( uint32_t( hash64 >> 32 ) ^ uint32_t( hash64 ) ); - } - } - }; -} - -#ifdef _MSC_VER -#pragma warning(pop) -#endif - -// implementation - -#include -#include -#include -#include - -#include -#include - -#include -#include -#include -#include -#include - -#if defined(_WIN32) -# include -# include -# include -# ifdef _MSC_VER -# pragma comment(lib,"iphlpapi.lib") -# endif -# define $windows $yes -#elif defined(__FreeBSD__) || defined(__NetBSD__) || \ - defined(__OpenBSD__) || defined(__MINT__) || defined(__bsdi__) -# include -# include -# include -# include -# include -# include -# define $bsd $yes -#elif (defined(__APPLE__) && defined(__MACH__)) -# include -# include -# include -# include -# include -# include -# pragma clang diagnostic push -# pragma clang diagnostic ignored "-Wdollar-in-identifier-extension" -# define $osx $yes -#elif defined(__linux__) -# include -# include -# include -# include -# include -# include -# include -# define $linux $yes -#else //elif defined(__unix__) -# if defined(__VMS) -# include -# include -# else -# include -# include -# endif -# if defined(sun) || defined(__sun) -# include -# endif -# include -# include -# include -# include -# include -# include -# include -# include -# define $unix $yes -#endif - -#ifdef _MSC_VER -# define $msvc $yes -#endif - -#if defined(__GNUC__) && (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 < 50100) - namespace std - { - static inline std::string put_time( const std::tm* tmb, const char* fmt ) { - std::string s( 128, '\0' ); - while( !strftime( &s[0], s.size(), fmt, tmb ) ) - s.resize( s.size() + 128 ); - return s; - } - } -#endif - -//////////////////////////////////////////////////////////////////////////////////// - -#ifdef $windows -#define $welse $no -#else -#define $windows $no -#define $welse $yes -#endif - -#ifdef $bsd -#define $belse $no -#else -#define $bsd $no -#define $belse $yes -#endif - -#ifdef $linux -#define $lelse $no -#else -#define $linux $no -#define $lelse $yes -#endif - -#ifdef $unix -#define $uelse $no -#else -#define $unix $no -#define $uelse $yes -#endif - -#ifdef $osx -#define $oelse $no -#else -#define $osx $no -#define $oelse $yes -#endif - -#ifdef $msvc -#define $melse $no -#else -#define $msvc $no -#define $melse $yes -#endif - -#define $yes(...) __VA_ARGS__ -#define $no(...) - -inline bool sole::uuid::operator==( const sole::uuid &other ) const { - return ab == other.ab && cd == other.cd; -} -inline bool sole::uuid::operator!=( const sole::uuid &other ) const { - return !operator==(other); -} -inline bool sole::uuid::operator<( const sole::uuid &other ) const { - if( ab < other.ab ) return true; - if( ab > other.ab ) return false; - if( cd < other.cd ) return true; - return false; -} - -namespace sole { - - inline std::string printftime( uint64_t timestamp_secs = 0, const std::string &locale = std::string() ) { - std::string timef; - try { - // Taken from parameter - //std::string locale; // = "es-ES", "Chinese_China.936", "en_US.UTF8", etc... - std::time_t t = timestamp_secs; - std::tm tm; - $msvc( - localtime_s( &tm, &t ); - ) - $melse( - $windows(tm = *localtime( &t ); ) - $welse( localtime_r(&t, &tm); ) - ) - - std::stringstream ss; - $melse( - std::locale lc( locale.c_str() ); - ss.imbue( lc ); - ) - ss << std::put_time( &tm, "\"%c\"" ); - - timef = ss.str(); - } - catch(...) { - timef = "\"\""; - } - return timef; - } - - inline std::string uuid::pretty() const { - std::stringstream ss; - - uint64_t a = (ab >> 32); - uint64_t b = (ab & 0xFFFFFFFF); - uint64_t c = (cd >> 32); - uint64_t d = (cd & 0xFFFFFFFF); - - int version = (b & 0xF000) >> 12; - uint64_t timestamp = ((b & 0x0FFF) << 48 ) | (( b >> 16 ) << 32) | a; // in 100ns units - - ss << "version=" << (version) << ','; - - if( version == 1 ) - timestamp = timestamp - 0x01b21dd213814000ULL; // decrement Gregorian calendar - - ss << std::hex << std::nouppercase << std::setfill('0'); - version <= 1 && ss << "timestamp=" << printftime(timestamp/10000000) << ','; - version <= 1 && ss << "mac=" << std::setw(4) << (c & 0xFFFF) << std::setw(8) << d << ','; - version == 4 && ss << "randbits=" << std::setw(8) << (ab & 0xFFFFFFFFFFFF0FFFULL) << std::setw(8) << (cd & 0x3FFFFFFFFFFFFFFFULL) << ','; - - ss << std::dec; - version == 0 && ss << "pid=" << std::setw(4) << (c >> 16 ) << ','; - version == 1 && ss << "clock_seq=" << std::setw(4) << ((c >> 16) & 0x3FFF) << ','; - - return ss.str(); - } - - inline std::string uuid::str() const { - std::stringstream ss; - ss << std::hex << std::nouppercase << std::setfill('0'); - - uint32_t a = (ab >> 32); - uint32_t b = (ab & 0xFFFFFFFF); - uint32_t c = (cd >> 32); - uint32_t d = (cd & 0xFFFFFFFF); - - ss << std::setw(8) << (a) << '-'; - ss << std::setw(4) << (b >> 16) << '-'; - ss << std::setw(4) << (b & 0xFFFF) << '-'; - ss << std::setw(4) << (c >> 16 ) << '-'; - ss << std::setw(4) << (c & 0xFFFF); - ss << std::setw(8) << d; - - return ss.str(); - } - - inline std::string uuid::base62() const { - int base62len = 10 + 26 + 26; - const char base62[] = - "0123456789" - "ABCDEFGHIJKLMNOPQRSTUVWXYZ" - "abcdefghijklmnopqrstuvwxyz"; - char res[24], *end = &res[24]; *(--end) = '\0'; - uint64_t rem, AB = ab, CD = cd; - do { - rem = CD % base62len; - *--end = base62[int(rem)]; - CD /= base62len; - } while (CD > 0); - *--end = '-'; - do { - rem = AB % base62len; - *--end = base62[int(rem)]; - AB /= base62len; - } while (AB > 0); - return end; - } - - ////////////////////////////////////////////////////////////////////////////////////// - // multiplatform clock_gettime() - - $windows( - struct timespec { - uint64_t tv_sec; - uint64_t tv_nsec; - }; - struct timezone { - int tz_minuteswest; /* minutes W of Greenwich */ - int tz_dsttime; /* type of dst correction */ - }; - inline int gettimeofday( struct timeval *tv, struct timezone *tz ) { - FILETIME ft; - uint64_t tmpres = 0; - - if( NULL != tv ) { - GetSystemTimeAsFileTime(&ft); - - // The GetSystemTimeAsFileTime returns the number of 100 nanosecond - // intervals since Jan 1, 1601 in a structure. Copy the high bits to - // the 64 bit tmpres, shift it left by 32 then or in the low 32 bits. - tmpres |= ft.dwHighDateTime; - tmpres <<= 32; - tmpres |= ft.dwLowDateTime; - - // Convert to microseconds by dividing by 10 - tmpres /= 10; - - // The Unix epoch starts on Jan 1 1970. Need to subtract the difference - // in seconds from Jan 1 1601. - tmpres -= 11644473600000000ULL; - - // Finally change microseconds to seconds and place in the seconds value. - // The modulus picks up the microseconds. - tv->tv_sec = static_cast(tmpres / 1000000UL); - tv->tv_usec = (tmpres % 1000000UL); - } - - if( NULL != tz ) { - static bool once = true; - if( once ) { - once = false; - _tzset(); - } - - long timezoneSecs = 0; - int daylight = 0; - - $msvc( - _get_timezone(&timezoneSecs); - _get_daylight(&daylight); - ) - $melse( - timezoneSecs = _timezone; - daylight = _daylight; - ) - - tz->tz_minuteswest = timezoneSecs / 60; - tz->tz_dsttime = daylight; - } - - return 0; - } - ) - $lelse( $belse( // if not linux, if not bsd... valid for apple/win32 - inline int clock_gettime( int /*clk_id*/, struct timespec* t ) { - struct timeval now; - int rv = gettimeofday(&now, NULL); - if( rv ) return rv; - t->tv_sec = now.tv_sec; - t->tv_nsec = now.tv_usec * 1000; - return 0; - } - )) - - ////////////////////////////////////////////////////////////////////////////////////// - // Timestamp and MAC interfaces - - // Returns number of 100ns intervals - inline uint64_t get_time( uint64_t offset ) { - struct timespec tp; - clock_gettime(0 /*CLOCK_REALTIME*/, &tp); - - // Convert to 100-nanosecond intervals - uint64_t uuid_time; - uuid_time = tp.tv_sec * 10000000; - uuid_time = uuid_time + (tp.tv_nsec / 100); - - // If the clock looks like it went backwards, or is the same, increment it. - static $msvc( __declspec(thread)) $melse( __thread ) uint64_t last_uuid_time = 0; - if( last_uuid_time >= uuid_time ) - uuid_time = ++last_uuid_time; - else - last_uuid_time = uuid_time; - - uuid_time = uuid_time + offset; - - return uuid_time; - } - - // Looks for first MAC address of any network device, any size. - inline bool get_any_mac( std::vector &_node ) { - $windows({ - PIP_ADAPTER_INFO pAdapterInfo; - PIP_ADAPTER_INFO pAdapter = 0; - ULONG len = sizeof(IP_ADAPTER_INFO); - pAdapterInfo = reinterpret_cast(new char[len]); - - // Make an initial call to GetAdaptersInfo to get - // the necessary size into len - DWORD rc = GetAdaptersInfo(pAdapterInfo, &len); - if (rc == ERROR_BUFFER_OVERFLOW) - { - delete [] reinterpret_cast(pAdapterInfo); - pAdapterInfo = reinterpret_cast(new char[len]); - } - else if (rc != ERROR_SUCCESS) - { - return $no("cannot get network adapter list") false; - } - - bool found = false, gotten = false; - if (GetAdaptersInfo(pAdapterInfo, &len) == NO_ERROR) - { - gotten = true; - - pAdapter = pAdapterInfo; - while (pAdapter && !found) - { - if (pAdapter->Type == MIB_IF_TYPE_ETHERNET && pAdapter->AddressLength > 0 ) - { - _node.resize( pAdapter->AddressLength ); - std::memcpy(_node.data(), pAdapter->Address, _node.size() ); - found = true; - } - pAdapter = pAdapter->Next; - } - } - - delete [] reinterpret_cast(pAdapterInfo); - - if( !gotten ) - return $no("cannot get network adapter list") false; - - if (!found) - return $no("no Ethernet adapter found") false; - - return true; - }) - - $bsd({ - struct ifaddrs* ifaphead; - int rc = getifaddrs(&ifaphead); - if (rc) return $no("cannot get network adapter list") false; - - bool foundAdapter = false; - for (struct ifaddrs* ifap = ifaphead; ifap; ifap = ifap->ifa_next) - { - if (ifap->ifa_addr && ifap->ifa_addr->sa_family == AF_LINK) - { - struct sockaddr_dl* sdl = reinterpret_cast(ifap->ifa_addr); - caddr_t ap = (caddr_t) (sdl->sdl_data + sdl->sdl_nlen); - int alen = sdl->sdl_alen; - if (ap && alen > 0) - { - _node.resize( alen ); - std::memcpy(_node.data(), ap, _node.size() ); - foundAdapter = true; - break; - } - } - } - freeifaddrs(ifaphead); - if (!foundAdapter) return $no("cannot determine MAC address (no suitable network adapter found)") false; - return true; - }) - - $osx({ - struct ifaddrs* ifaphead; - int rc = getifaddrs(&ifaphead); - if (rc) return $no("cannot get network adapter list") false; - - bool foundAdapter = false; - for (struct ifaddrs* ifap = ifaphead; ifap; ifap = ifap->ifa_next) - { - if (ifap->ifa_addr && ifap->ifa_addr->sa_family == AF_LINK) - { - struct sockaddr_dl* sdl = reinterpret_cast(ifap->ifa_addr); - caddr_t ap = (caddr_t) (sdl->sdl_data + sdl->sdl_nlen); - int alen = sdl->sdl_alen; - if (ap && alen > 0) - { - _node.resize( alen ); - std::memcpy(_node.data(), ap, _node.size() ); - foundAdapter = true; - break; - } - } - } - freeifaddrs(ifaphead); - if (!foundAdapter) return $no("cannot determine MAC address (no suitable network adapter found)") false; - return true; - }) - - $linux({ - struct ifreq ifr; - - int s = socket(PF_INET, SOCK_DGRAM, 0); - if (s == -1) return $no("cannot open socket") false; - - std::strcpy(ifr.ifr_name, "eth0"); - int rc = ioctl(s, SIOCGIFHWADDR, &ifr); - close(s); - if (rc < 0) return $no("cannot get MAC address") false; - struct sockaddr* sa = reinterpret_cast(&ifr.ifr_addr); - _node.resize( sizeof(sa->sa_data) ); - std::memcpy(_node.data(), sa->sa_data, _node.size() ); - return true; - }) - - $unix({ - char name[HOST_NAME_MAX]; - if (gethostname(name, sizeof(name))) - return $no("cannot get host name") false; - - struct hostent* pHost = gethostbyname(name); - if (!pHost) return $no("cannot get host IP address") false; - - int s = socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP); - if (s == -1) return $no("cannot open socket") false; - - struct arpreq ar; - std::memset(&ar, 0, sizeof(ar)); - struct sockaddr_in* pAddr = reinterpret_cast(&ar.arp_pa); - pAddr->sin_family = AF_INET; - std::memcpy(&pAddr->sin_addr, *pHost->h_addr_list, sizeof(struct in_addr)); - int rc = ioctl(s, SIOCGARP, &ar); - close(s); - if (rc < 0) return $no("cannot get MAC address") false; - _node.resize( sizeof(ar.arp_ha.sa_data) ); - std::memcpy(_node.data(), ar.arp_ha.sa_data, _node.size()); - return true; - }) - } - - // Looks for first MAC address of any network device, size truncated to 48bits. - inline uint64_t get_any_mac48() { - std::vector node; - if( get_any_mac(node) ) { - std::stringstream ss; - ss << std::hex << std::setfill('0'); - node.resize(6); - for( unsigned i = 0; i < 6; ++i ) - ss << std::setw(2) << int(node[i]); - uint64_t t; - if( ss >> t ) - return t; - } - return 0; - } - - ////////////////////////////////////////////////////////////////////////////////////// - // UUID implementations - - inline uuid uuid4() { - static std::random_device rd; - static std::uniform_int_distribution dist(0, (uint64_t)(~0)); - - uuid my; - - my.ab = dist(rd); - my.cd = dist(rd); - - my.ab = (my.ab & 0xFFFFFFFFFFFF0FFFULL) | 0x0000000000004000ULL; - my.cd = (my.cd & 0x3FFFFFFFFFFFFFFFULL) | 0x8000000000000000ULL; - - return my; - } - - inline uuid uuid1() { - // Number of 100-ns intervals since 00:00:00.00 15 October 1582; [ref] uuid.py - uint64_t ns100_intervals = get_time( 0x01b21dd213814000ULL ); - uint16_t clock_seq = (uint16_t)( ns100_intervals & 0x3fff ); // 14-bits max - uint64_t mac = get_any_mac48(); // 48-bits max - - uint32_t time_low = ns100_intervals & 0xffffffff; - uint16_t time_mid = (ns100_intervals >> 32) & 0xffff; - uint16_t time_hi_version = (ns100_intervals >> 48) & 0xfff; - uint8_t clock_seq_low = clock_seq & 0xff; - uint8_t clock_seq_hi_variant = (clock_seq >> 8) & 0x3f; - - uuid u; - uint64_t &upper_ = u.ab; - uint64_t &lower_ = u.cd; - - // Build the high 32 bytes - upper_ = (uint64_t) time_low << 32; - upper_ |= (uint64_t) time_mid << 16; - upper_ |= (uint64_t) time_hi_version; - - // Build the low 32 bytes, using the clock sequence number - lower_ = (uint64_t) ((clock_seq_hi_variant << 8) | clock_seq_low) << 48; - lower_ |= mac; - - // Set the variant to RFC 4122. - lower_ &= ~((uint64_t)0xc000 << 48); - lower_ |= (uint64_t)0x8000 << 48; - - // Set the version number. - enum { version = 1 }; - upper_ &= ~0xf000; - upper_ |= version << 12; - - return u; - } - - inline uuid uuid0() { - // Number of 100-ns intervals since Unix epoch time - uint64_t ns100_intervals = get_time( 0 ); - uint64_t pid = $windows( _getpid() ) $welse( getpid() ); - uint16_t pid16 = (uint16_t)( pid & 0xffff ); // 16-bits max - uint64_t mac = get_any_mac48(); // 48-bits max - - uint32_t time_low = ns100_intervals & 0xffffffff; - uint16_t time_mid = (ns100_intervals >> 32) & 0xffff; - uint16_t time_hi_version = (ns100_intervals >> 48) & 0xfff; - uint8_t pid_low = pid16 & 0xff; - uint8_t pid_hi = (pid16 >> 8) & 0xff; - - uuid u; - uint64_t &upper_ = u.ab; - uint64_t &lower_ = u.cd; - - // Build the high 32 bytes. - upper_ = (uint64_t) time_low << 32; - upper_ |= (uint64_t) time_mid << 16; - upper_ |= (uint64_t) time_hi_version; - - // Build the low 32 bytes, using the mac and pid number. - lower_ = (uint64_t) ((pid_hi << 8) | pid_low) << 48; - lower_ |= mac; - - // Set the version number. - enum { version = 0 }; - upper_ &= ~0xf000; - upper_ |= version << 12; - - return u; - } - - inline uuid rebuild( uint64_t ab, uint64_t cd ) { - uuid u; - u.ab = ab; u.cd = cd; - return u; - } - - inline uuid rebuild( const std::string &uustr ) { - char sep; - uint64_t a,b,c,d,e; - uuid u = { 0, 0 }; - auto idx = uustr.find_first_of("-"); - if( idx != std::string::npos ) { - // single separator, base62 notation - if( uustr.find_first_of("-",idx+1) == std::string::npos ) { - auto rebase62 = [&]( const char *input, size_t limit ) -> uint64_t { - int base62len = 10 + 26 + 26; - auto strpos = []( char ch ) -> size_t { - if( ch >= 'a' ) return ch - 'a' + 10 + 26; - if( ch >= 'A' ) return ch - 'A' + 10; - return ch - '0'; - }; - uint64_t res = strpos( input[0] ); - for( size_t i = 1; i < limit; ++i ) - res = base62len * res + strpos( input[i] ); - return res; - }; - u.ab = rebase62( &uustr[0], idx ); - u.cd = rebase62( &uustr[idx+1], uustr.size() - (idx+1) ); - } - // else classic hex notation - else { - std::stringstream ss( uustr ); - if( ss >> std::hex >> a >> sep >> b >> sep >> c >> sep >> d >> sep >> e ) { - if( ss.eof() ) { - u.ab = (a << 32) | (b << 16) | c; - u.cd = (d << 48) | e; - } - } - } - } - return u; - } - -} // ::sole - -#undef $bsd -#undef $belse -#undef $linux -#undef $lelse -#undef $osx -#undef $oelse -#undef $unix -#undef $uelse -#undef $windows -#undef $welse -#undef $yes -#undef $no - -// Pop disabled warnings -#if (defined(__APPLE__) && defined(__MACH__)) -#pragma clang diagnostic pop -#endif - -#ifdef SOLE_BUILD_DEMO -// g++ users: `g++ demo.cc -std=c++11 -lrt -o sample` -// visual studio: `cl.exe demo.cc sole.cpp` - -#include - -int main() { - sole::uuid u0 = sole::uuid0(), u1 = sole::uuid1(), u4 = sole::uuid4(); - - std::cout << "uuid v0 string : " << u0 << std::endl; - std::cout << "uuid v0 base62 : " << u0.base62() << std::endl; - std::cout << "uuid v0 pretty : " << u0.pretty() << std::endl << std::endl; - - std::cout << "uuid v1 string : " << u1 << std::endl; - std::cout << "uuid v1 base62 : " << u1.base62() << std::endl; - std::cout << "uuid v1 pretty : " << u1.pretty() << std::endl << std::endl; - - std::cout << "uuid v4 string : " << u4 << std::endl; - std::cout << "uuid v4 base62 : " << u4.base62() << std::endl; - std::cout << "uuid v4 pretty : " << u4.pretty() << std::endl << std::endl; - - u1 = sole::rebuild("F81D4FAE-7DEC-11D0-A765-00A0C91E6BF6"); - u4 = sole::rebuild("GITheR4tLlg-BagIW20DGja"); - - std::cout << "uuid v1 rebuilt : " << u1 << " -> " << u1.pretty() << std::endl; - std::cout << "uuid v4 rebuilt : " << u4 << " -> " << u4.pretty() << std::endl; -} - -#endif - -#ifdef SOLE_BUILD_TESTS -// g++ users: `g++ sole.cxx -std=c++11 -lrt -o tests` -// visual studio: `cl.exe sole.cxx` - -#include -#include -#include -#include -#include - -using namespace sole; - -namespace run -{ - auto epoch = [](){ - return std::chrono::system_clock::to_time_t( std::chrono::system_clock::now() ); - }; - - template - void benchmark( const FN &fn, const std::string &name ) { - std::cout << "Benchmarking " << name << "... " << std::flush; - - auto then = epoch(); - - while( epoch() == then ); - then = epoch(); - - unsigned c = 0; - while( epoch() == then ) c = ( fn(), ++c ); - - std::cout << (c) << " uuids/sec" << std::endl; - } - - template - void tests( const FN &fn ) { - unsigned numtests = ~0; - std::cout << "Testing for " << numtests << " collisions... " << std::endl; - - auto then = epoch(); - - std::set all; - for( unsigned i = 0; i < numtests; ++i ) { - auto now = epoch(); - if( now != then ) { - then = now; - double pct6digs = ( int( ( double(i) / (unsigned)(~0) ) * 1e4 ) / double(1e4) ); - std::cout << '\r' << i << " uuids generated, no collision (" << pct6digs << "%)" << std::flush; - } - sole::uuid my_uuid = fn(); - assert( all.find(my_uuid) == all.end() && "error: UUIDs just collided! is std::random_device a real random generator?" ); - all.insert( my_uuid ); - } - } - - template - void verify( const FN &fn ) { - std::cout << "Verifying serialization of 1 million UUIDs... " << std::flush; - - for( unsigned i = 0; i < 1000000; ++i ) { - sole::uuid uuid = fn(); - sole::uuid rebuilt1 = sole::rebuild( uuid.str() ); - sole::uuid rebuilt2 = sole::rebuild( uuid.base62() ); - assert( rebuilt1 == uuid && "error: rebuild() or .str() failed" ); - assert( rebuilt2 == uuid && "error: rebuild() or .base62() failed" ); - } - - std::cout << "ok" << std::endl; - } -} - -int main() { - assert( sizeof(sole::uuid ) * 8 == 128 ); - assert( sizeof(sole::uuid0().ab) * 8 == 64 ); - assert( sizeof(sole::uuid0().cd) * 8 == 64 ); - - run::benchmark(uuid0, "v0"); - run::benchmark(uuid1, "v1"); - run::benchmark(uuid4, "v4"); - - run::verify(uuid4); // use fastest implementation - -// run::tests(uuid0); // not applicable -// run::tests(uuid1); // not applicable - run::tests(uuid4); -} - -#endif - -#endif // SOLE_H diff --git a/include/ion-bb-internal/Dockerfile b/include/ion-bb-internal/Dockerfile deleted file mode 100644 index d9e7f9cb..00000000 --- a/include/ion-bb-internal/Dockerfile +++ /dev/null @@ -1,15 +0,0 @@ -# Build command: -# $ docker buildx build --platform linux/amd64,linux/arm64 --push -t localhost:5000/ion-bb-internal . - -FROM ubuntu:18.04 - -# -# Basic package -# -ENV DEBIAN_FRONTEND=noninteractive -RUN apt-get update && apt-get install -y \ - build-essential \ - cmake \ - g++ \ - gcc \ - make diff --git a/include/ion-bb-internal/README.md b/include/ion-bb-internal/README.md deleted file mode 100644 index aa85e190..00000000 --- a/include/ion-bb-internal/README.md +++ /dev/null @@ -1,2 +0,0 @@ -# ion-bb-internal - diff --git a/include/ion-bb-internal/bb.h b/include/ion-bb-internal/bb.h deleted file mode 100644 index 4230dbd4..00000000 --- a/include/ion-bb-internal/bb.h +++ /dev/null @@ -1,118 +0,0 @@ -#ifndef ION_BB_INTERNAL_BB_H -#define ION_BB_INTERNAL_BB_H - -#include "ion/ion.h" - -namespace ion { -namespace bb { -namespace internal { - -class Schedule : public ion::BuildingBlock { -public: - GeneratorParam output_name{"output_name", ""}; - GeneratorParam compute_level{"compute_level", ""}; // "compute_inline" or "compute_root" - GeneratorParam concurrency{"concurrency", ""}; // comma separated string - - GeneratorInput input{"input"}; - GeneratorOutput output{"output"}; - - void generate() { - using namespace Halide; - if (static_cast(compute_level) == "compute_inline") { - output = input; - } else if (static_cast(compute_level) == "compute_root") { - Func f(static_cast(output_name)); - f(_) = input(_); - f.compute_root(); - if (get_target().has_gpu_feature()) { - if (f.args().size() == 0) { - // NOP - } else if (f.args().size() == 1) { - Var i = f.args()[0]; - Var block, thread; - f.split(i, block, thread, 64); - f.gpu_blocks(block).gpu_threads(thread); - } else { - Var x = f.args()[0]; - Var y = f.args()[1]; - for (int i=2; i { -public: - GeneratorParam output_name{"output_name", ""}; - GeneratorParam compute_level{"compute_level", ""}; - - GeneratorInput input{"input"}; - GeneratorOutput output{"output"}; - GeneratorOutput output_for_preview{"output_for_preview"}; - - void generate() { - using namespace Halide; - { - // Internal connection is always separated with input. - Func f(static_cast(output_name) + "_"); - f(_) = input(_); - f.compute_root(); - output = f; - } - - { - if (static_cast(compute_level) == "compute_inline") { - output_for_preview = input; - } else if (static_cast(compute_level) == "compute_root") { - Func f(static_cast(output_name)); - f(_) = input(_); - f.compute_root(); - output_for_preview = f; - } else { - throw std::runtime_error("Unreachable"); - } - } - } -}; - -} // internal -} // bb -} // ion - -ION_REGISTER_BUILDING_BLOCK(ion::bb::internal::ScheduleForPreview, internal_schedule_for_preview); - -// #include "bb_sgm.h" - -#endif diff --git a/include/ion-bb-internal/config.cmake b/include/ion-bb-internal/config.cmake deleted file mode 100644 index c9df571b..00000000 --- a/include/ion-bb-internal/config.cmake +++ /dev/null @@ -1,4 +0,0 @@ -set(INCLUDE_DIRS) -set(LINK_DIRS) -set(RUNTIME_ENVS) -set(LIBRARIES) diff --git a/include/ion-bb-internal/rt.h b/include/ion-bb-internal/rt.h deleted file mode 100644 index 65e53a87..00000000 --- a/include/ion-bb-internal/rt.h +++ /dev/null @@ -1,4 +0,0 @@ -#ifndef ION_BB_INTERNAL_RT_H -#define ION_BB_INTERNAL_RT_H - -#endif diff --git a/include/ion-bb-sgm/config.cmake b/include/ion-bb-sgm/config.cmake deleted file mode 100644 index e69de29b..00000000 diff --git a/include/ion/builder.h b/include/ion/builder.h index 8e67b99b..b315e199 100644 --- a/include/ion/builder.h +++ b/include/ion/builder.h @@ -9,14 +9,11 @@ #include "def.h" #include "block.h" -#include "json.hpp" #include "node.h" #include "port_map.h" namespace ion { -using json = nlohmann::json; - class DynamicModule; /** @@ -100,7 +97,8 @@ class Builder { /** * Get the node list. */ - const std::vector& get_nodes() const; + const std::vector& nodes() const { return nodes_; } + std::vector& nodes() { return nodes_; } void set_jit_externs(const std::map &externs) { pipeline_.set_jit_externs(externs); diff --git a/include/ion/generator.h b/include/ion/generator.h index 12db0242..fe5ef26f 100644 --- a/include/ion/generator.h +++ b/include/ion/generator.h @@ -23,8 +23,6 @@ #define user_assert(c) _halide_internal_assertion(c, Halide::Internal::ErrorReport::User) #endif -// #include "json.hpp" - /** \file * diff --git a/include/ion/json.hpp b/include/ion/json.hpp deleted file mode 100644 index a70aaf8c..00000000 --- a/include/ion/json.hpp +++ /dev/null @@ -1,25447 +0,0 @@ -/* - __ _____ _____ _____ - __| | __| | | | JSON for Modern C++ -| | |__ | | | | | | version 3.9.1 -|_____|_____|_____|_|___| https://github.com/nlohmann/json - -Licensed under the MIT License . -SPDX-License-Identifier: MIT -Copyright (c) 2013-2019 Niels Lohmann . - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the Software is -furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in all -copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -SOFTWARE. -*/ - -#ifndef INCLUDE_NLOHMANN_JSON_HPP_ -#define INCLUDE_NLOHMANN_JSON_HPP_ - -#define NLOHMANN_JSON_VERSION_MAJOR 3 -#define NLOHMANN_JSON_VERSION_MINOR 9 -#define NLOHMANN_JSON_VERSION_PATCH 1 - -#include // all_of, find, for_each -#include // nullptr_t, ptrdiff_t, size_t -#include // hash, less -#include // initializer_list -#include // istream, ostream -#include // random_access_iterator_tag -#include // unique_ptr -#include // accumulate -#include // string, stoi, to_string -#include // declval, forward, move, pair, swap -#include // vector - -// #include - - -#include - -// #include - - -#include // transform -#include // array -#include // forward_list -#include // inserter, front_inserter, end -#include // map -#include // string -#include // tuple, make_tuple -#include // is_arithmetic, is_same, is_enum, underlying_type, is_convertible -#include // unordered_map -#include // pair, declval -#include // valarray - -// #include - - -#include // exception -#include // runtime_error -#include // to_string - -// #include - - -#include // size_t - -namespace nlohmann -{ -namespace detail -{ -/// struct to capture the start position of the current token -struct position_t -{ - /// the total number of characters read - std::size_t chars_read_total = 0; - /// the number of characters read in the current line - std::size_t chars_read_current_line = 0; - /// the number of lines read - std::size_t lines_read = 0; - - /// conversion to size_t to preserve SAX interface - constexpr operator size_t() const - { - return chars_read_total; - } -}; - -} // namespace detail -} // namespace nlohmann - -// #include - - -#include // pair -// #include -/* Hedley - https://nemequ.github.io/hedley - * Created by Evan Nemerson - * - * To the extent possible under law, the author(s) have dedicated all - * copyright and related and neighboring rights to this software to - * the public domain worldwide. This software is distributed without - * any warranty. - * - * For details, see . - * SPDX-License-Identifier: CC0-1.0 - */ - -#if !defined(JSON_HEDLEY_VERSION) || (JSON_HEDLEY_VERSION < 13) -#if defined(JSON_HEDLEY_VERSION) - #undef JSON_HEDLEY_VERSION -#endif -#define JSON_HEDLEY_VERSION 13 - -#if defined(JSON_HEDLEY_STRINGIFY_EX) - #undef JSON_HEDLEY_STRINGIFY_EX -#endif -#define JSON_HEDLEY_STRINGIFY_EX(x) #x - -#if defined(JSON_HEDLEY_STRINGIFY) - #undef JSON_HEDLEY_STRINGIFY -#endif -#define JSON_HEDLEY_STRINGIFY(x) JSON_HEDLEY_STRINGIFY_EX(x) - -#if defined(JSON_HEDLEY_CONCAT_EX) - #undef JSON_HEDLEY_CONCAT_EX -#endif -#define JSON_HEDLEY_CONCAT_EX(a,b) a##b - -#if defined(JSON_HEDLEY_CONCAT) - #undef JSON_HEDLEY_CONCAT -#endif -#define JSON_HEDLEY_CONCAT(a,b) JSON_HEDLEY_CONCAT_EX(a,b) - -#if defined(JSON_HEDLEY_CONCAT3_EX) - #undef JSON_HEDLEY_CONCAT3_EX -#endif -#define JSON_HEDLEY_CONCAT3_EX(a,b,c) a##b##c - -#if defined(JSON_HEDLEY_CONCAT3) - #undef JSON_HEDLEY_CONCAT3 -#endif -#define JSON_HEDLEY_CONCAT3(a,b,c) JSON_HEDLEY_CONCAT3_EX(a,b,c) - -#if defined(JSON_HEDLEY_VERSION_ENCODE) - #undef JSON_HEDLEY_VERSION_ENCODE -#endif -#define JSON_HEDLEY_VERSION_ENCODE(major,minor,revision) (((major) * 1000000) + ((minor) * 1000) + (revision)) - -#if defined(JSON_HEDLEY_VERSION_DECODE_MAJOR) - #undef JSON_HEDLEY_VERSION_DECODE_MAJOR -#endif -#define JSON_HEDLEY_VERSION_DECODE_MAJOR(version) ((version) / 1000000) - -#if defined(JSON_HEDLEY_VERSION_DECODE_MINOR) - #undef JSON_HEDLEY_VERSION_DECODE_MINOR -#endif -#define JSON_HEDLEY_VERSION_DECODE_MINOR(version) (((version) % 1000000) / 1000) - -#if defined(JSON_HEDLEY_VERSION_DECODE_REVISION) - #undef JSON_HEDLEY_VERSION_DECODE_REVISION -#endif -#define JSON_HEDLEY_VERSION_DECODE_REVISION(version) ((version) % 1000) - -#if defined(JSON_HEDLEY_GNUC_VERSION) - #undef JSON_HEDLEY_GNUC_VERSION -#endif -#if defined(__GNUC__) && defined(__GNUC_PATCHLEVEL__) - #define JSON_HEDLEY_GNUC_VERSION JSON_HEDLEY_VERSION_ENCODE(__GNUC__, __GNUC_MINOR__, __GNUC_PATCHLEVEL__) -#elif defined(__GNUC__) - #define JSON_HEDLEY_GNUC_VERSION JSON_HEDLEY_VERSION_ENCODE(__GNUC__, __GNUC_MINOR__, 0) -#endif - -#if defined(JSON_HEDLEY_GNUC_VERSION_CHECK) - #undef JSON_HEDLEY_GNUC_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_GNUC_VERSION) - #define JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_GNUC_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else - #define JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_MSVC_VERSION) - #undef JSON_HEDLEY_MSVC_VERSION -#endif -#if defined(_MSC_FULL_VER) && (_MSC_FULL_VER >= 140000000) - #define JSON_HEDLEY_MSVC_VERSION JSON_HEDLEY_VERSION_ENCODE(_MSC_FULL_VER / 10000000, (_MSC_FULL_VER % 10000000) / 100000, (_MSC_FULL_VER % 100000) / 100) -#elif defined(_MSC_FULL_VER) - #define JSON_HEDLEY_MSVC_VERSION JSON_HEDLEY_VERSION_ENCODE(_MSC_FULL_VER / 1000000, (_MSC_FULL_VER % 1000000) / 10000, (_MSC_FULL_VER % 10000) / 10) -#elif defined(_MSC_VER) - #define JSON_HEDLEY_MSVC_VERSION JSON_HEDLEY_VERSION_ENCODE(_MSC_VER / 100, _MSC_VER % 100, 0) -#endif - -#if defined(JSON_HEDLEY_MSVC_VERSION_CHECK) - #undef JSON_HEDLEY_MSVC_VERSION_CHECK -#endif -#if !defined(_MSC_VER) - #define JSON_HEDLEY_MSVC_VERSION_CHECK(major,minor,patch) (0) -#elif defined(_MSC_VER) && (_MSC_VER >= 1400) - #define JSON_HEDLEY_MSVC_VERSION_CHECK(major,minor,patch) (_MSC_FULL_VER >= ((major * 10000000) + (minor * 100000) + (patch))) -#elif defined(_MSC_VER) && (_MSC_VER >= 1200) - #define JSON_HEDLEY_MSVC_VERSION_CHECK(major,minor,patch) (_MSC_FULL_VER >= ((major * 1000000) + (minor * 10000) + (patch))) -#else - #define JSON_HEDLEY_MSVC_VERSION_CHECK(major,minor,patch) (_MSC_VER >= ((major * 100) + (minor))) -#endif - -#if defined(JSON_HEDLEY_INTEL_VERSION) - #undef JSON_HEDLEY_INTEL_VERSION -#endif -#if defined(__INTEL_COMPILER) && defined(__INTEL_COMPILER_UPDATE) - #define JSON_HEDLEY_INTEL_VERSION JSON_HEDLEY_VERSION_ENCODE(__INTEL_COMPILER / 100, __INTEL_COMPILER % 100, __INTEL_COMPILER_UPDATE) -#elif defined(__INTEL_COMPILER) - #define JSON_HEDLEY_INTEL_VERSION JSON_HEDLEY_VERSION_ENCODE(__INTEL_COMPILER / 100, __INTEL_COMPILER % 100, 0) -#endif - -#if defined(JSON_HEDLEY_INTEL_VERSION_CHECK) - #undef JSON_HEDLEY_INTEL_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_INTEL_VERSION) - #define JSON_HEDLEY_INTEL_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_INTEL_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else - #define JSON_HEDLEY_INTEL_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_PGI_VERSION) - #undef JSON_HEDLEY_PGI_VERSION -#endif -#if defined(__PGI) && defined(__PGIC__) && defined(__PGIC_MINOR__) && defined(__PGIC_PATCHLEVEL__) - #define JSON_HEDLEY_PGI_VERSION JSON_HEDLEY_VERSION_ENCODE(__PGIC__, __PGIC_MINOR__, __PGIC_PATCHLEVEL__) -#endif - -#if defined(JSON_HEDLEY_PGI_VERSION_CHECK) - #undef JSON_HEDLEY_PGI_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_PGI_VERSION) - #define JSON_HEDLEY_PGI_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_PGI_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else - #define JSON_HEDLEY_PGI_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_SUNPRO_VERSION) - #undef JSON_HEDLEY_SUNPRO_VERSION -#endif -#if defined(__SUNPRO_C) && (__SUNPRO_C > 0x1000) - #define JSON_HEDLEY_SUNPRO_VERSION JSON_HEDLEY_VERSION_ENCODE((((__SUNPRO_C >> 16) & 0xf) * 10) + ((__SUNPRO_C >> 12) & 0xf), (((__SUNPRO_C >> 8) & 0xf) * 10) + ((__SUNPRO_C >> 4) & 0xf), (__SUNPRO_C & 0xf) * 10) -#elif defined(__SUNPRO_C) - #define JSON_HEDLEY_SUNPRO_VERSION JSON_HEDLEY_VERSION_ENCODE((__SUNPRO_C >> 8) & 0xf, (__SUNPRO_C >> 4) & 0xf, (__SUNPRO_C) & 0xf) -#elif defined(__SUNPRO_CC) && (__SUNPRO_CC > 0x1000) - #define JSON_HEDLEY_SUNPRO_VERSION JSON_HEDLEY_VERSION_ENCODE((((__SUNPRO_CC >> 16) & 0xf) * 10) + ((__SUNPRO_CC >> 12) & 0xf), (((__SUNPRO_CC >> 8) & 0xf) * 10) + ((__SUNPRO_CC >> 4) & 0xf), (__SUNPRO_CC & 0xf) * 10) -#elif defined(__SUNPRO_CC) - #define JSON_HEDLEY_SUNPRO_VERSION JSON_HEDLEY_VERSION_ENCODE((__SUNPRO_CC >> 8) & 0xf, (__SUNPRO_CC >> 4) & 0xf, (__SUNPRO_CC) & 0xf) -#endif - -#if defined(JSON_HEDLEY_SUNPRO_VERSION_CHECK) - #undef JSON_HEDLEY_SUNPRO_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_SUNPRO_VERSION) - #define JSON_HEDLEY_SUNPRO_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_SUNPRO_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else - #define JSON_HEDLEY_SUNPRO_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_EMSCRIPTEN_VERSION) - #undef JSON_HEDLEY_EMSCRIPTEN_VERSION -#endif -#if defined(__EMSCRIPTEN__) - #define JSON_HEDLEY_EMSCRIPTEN_VERSION JSON_HEDLEY_VERSION_ENCODE(__EMSCRIPTEN_major__, __EMSCRIPTEN_minor__, __EMSCRIPTEN_tiny__) -#endif - -#if defined(JSON_HEDLEY_EMSCRIPTEN_VERSION_CHECK) - #undef JSON_HEDLEY_EMSCRIPTEN_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_EMSCRIPTEN_VERSION) - #define JSON_HEDLEY_EMSCRIPTEN_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_EMSCRIPTEN_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else - #define JSON_HEDLEY_EMSCRIPTEN_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_ARM_VERSION) - #undef JSON_HEDLEY_ARM_VERSION -#endif -#if defined(__CC_ARM) && defined(__ARMCOMPILER_VERSION) - #define JSON_HEDLEY_ARM_VERSION JSON_HEDLEY_VERSION_ENCODE(__ARMCOMPILER_VERSION / 1000000, (__ARMCOMPILER_VERSION % 1000000) / 10000, (__ARMCOMPILER_VERSION % 10000) / 100) -#elif defined(__CC_ARM) && defined(__ARMCC_VERSION) - #define JSON_HEDLEY_ARM_VERSION JSON_HEDLEY_VERSION_ENCODE(__ARMCC_VERSION / 1000000, (__ARMCC_VERSION % 1000000) / 10000, (__ARMCC_VERSION % 10000) / 100) -#endif - -#if defined(JSON_HEDLEY_ARM_VERSION_CHECK) - #undef JSON_HEDLEY_ARM_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_ARM_VERSION) - #define JSON_HEDLEY_ARM_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_ARM_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else - #define JSON_HEDLEY_ARM_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_IBM_VERSION) - #undef JSON_HEDLEY_IBM_VERSION -#endif -#if defined(__ibmxl__) - #define JSON_HEDLEY_IBM_VERSION JSON_HEDLEY_VERSION_ENCODE(__ibmxl_version__, __ibmxl_release__, __ibmxl_modification__) -#elif defined(__xlC__) && defined(__xlC_ver__) - #define JSON_HEDLEY_IBM_VERSION JSON_HEDLEY_VERSION_ENCODE(__xlC__ >> 8, __xlC__ & 0xff, (__xlC_ver__ >> 8) & 0xff) -#elif defined(__xlC__) - #define JSON_HEDLEY_IBM_VERSION JSON_HEDLEY_VERSION_ENCODE(__xlC__ >> 8, __xlC__ & 0xff, 0) -#endif - -#if defined(JSON_HEDLEY_IBM_VERSION_CHECK) - #undef JSON_HEDLEY_IBM_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_IBM_VERSION) - #define JSON_HEDLEY_IBM_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_IBM_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else - #define JSON_HEDLEY_IBM_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_TI_VERSION) - #undef JSON_HEDLEY_TI_VERSION -#endif -#if \ - defined(__TI_COMPILER_VERSION__) && \ - ( \ - defined(__TMS470__) || defined(__TI_ARM__) || \ - defined(__MSP430__) || \ - defined(__TMS320C2000__) \ - ) -#if (__TI_COMPILER_VERSION__ >= 16000000) - #define JSON_HEDLEY_TI_VERSION JSON_HEDLEY_VERSION_ENCODE(__TI_COMPILER_VERSION__ / 1000000, (__TI_COMPILER_VERSION__ % 1000000) / 1000, (__TI_COMPILER_VERSION__ % 1000)) -#endif -#endif - -#if defined(JSON_HEDLEY_TI_VERSION_CHECK) - #undef JSON_HEDLEY_TI_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_TI_VERSION) - #define JSON_HEDLEY_TI_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_TI_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else - #define JSON_HEDLEY_TI_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_TI_CL2000_VERSION) - #undef JSON_HEDLEY_TI_CL2000_VERSION -#endif -#if defined(__TI_COMPILER_VERSION__) && defined(__TMS320C2000__) - #define JSON_HEDLEY_TI_CL2000_VERSION JSON_HEDLEY_VERSION_ENCODE(__TI_COMPILER_VERSION__ / 1000000, (__TI_COMPILER_VERSION__ % 1000000) / 1000, (__TI_COMPILER_VERSION__ % 1000)) -#endif - -#if defined(JSON_HEDLEY_TI_CL2000_VERSION_CHECK) - #undef JSON_HEDLEY_TI_CL2000_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_TI_CL2000_VERSION) - #define JSON_HEDLEY_TI_CL2000_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_TI_CL2000_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else - #define JSON_HEDLEY_TI_CL2000_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_TI_CL430_VERSION) - #undef JSON_HEDLEY_TI_CL430_VERSION -#endif -#if defined(__TI_COMPILER_VERSION__) && defined(__MSP430__) - #define JSON_HEDLEY_TI_CL430_VERSION JSON_HEDLEY_VERSION_ENCODE(__TI_COMPILER_VERSION__ / 1000000, (__TI_COMPILER_VERSION__ % 1000000) / 1000, (__TI_COMPILER_VERSION__ % 1000)) -#endif - -#if defined(JSON_HEDLEY_TI_CL430_VERSION_CHECK) - #undef JSON_HEDLEY_TI_CL430_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_TI_CL430_VERSION) - #define JSON_HEDLEY_TI_CL430_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_TI_CL430_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else - #define JSON_HEDLEY_TI_CL430_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_TI_ARMCL_VERSION) - #undef JSON_HEDLEY_TI_ARMCL_VERSION -#endif -#if defined(__TI_COMPILER_VERSION__) && (defined(__TMS470__) || defined(__TI_ARM__)) - #define JSON_HEDLEY_TI_ARMCL_VERSION JSON_HEDLEY_VERSION_ENCODE(__TI_COMPILER_VERSION__ / 1000000, (__TI_COMPILER_VERSION__ % 1000000) / 1000, (__TI_COMPILER_VERSION__ % 1000)) -#endif - -#if defined(JSON_HEDLEY_TI_ARMCL_VERSION_CHECK) - #undef JSON_HEDLEY_TI_ARMCL_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_TI_ARMCL_VERSION) - #define JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_TI_ARMCL_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else - #define JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_TI_CL6X_VERSION) - #undef JSON_HEDLEY_TI_CL6X_VERSION -#endif -#if defined(__TI_COMPILER_VERSION__) && defined(__TMS320C6X__) - #define JSON_HEDLEY_TI_CL6X_VERSION JSON_HEDLEY_VERSION_ENCODE(__TI_COMPILER_VERSION__ / 1000000, (__TI_COMPILER_VERSION__ % 1000000) / 1000, (__TI_COMPILER_VERSION__ % 1000)) -#endif - -#if defined(JSON_HEDLEY_TI_CL6X_VERSION_CHECK) - #undef JSON_HEDLEY_TI_CL6X_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_TI_CL6X_VERSION) - #define JSON_HEDLEY_TI_CL6X_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_TI_CL6X_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else - #define JSON_HEDLEY_TI_CL6X_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_TI_CL7X_VERSION) - #undef JSON_HEDLEY_TI_CL7X_VERSION -#endif -#if defined(__TI_COMPILER_VERSION__) && defined(__C7000__) - #define JSON_HEDLEY_TI_CL7X_VERSION JSON_HEDLEY_VERSION_ENCODE(__TI_COMPILER_VERSION__ / 1000000, (__TI_COMPILER_VERSION__ % 1000000) / 1000, (__TI_COMPILER_VERSION__ % 1000)) -#endif - -#if defined(JSON_HEDLEY_TI_CL7X_VERSION_CHECK) - #undef JSON_HEDLEY_TI_CL7X_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_TI_CL7X_VERSION) - #define JSON_HEDLEY_TI_CL7X_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_TI_CL7X_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else - #define JSON_HEDLEY_TI_CL7X_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_TI_CLPRU_VERSION) - #undef JSON_HEDLEY_TI_CLPRU_VERSION -#endif -#if defined(__TI_COMPILER_VERSION__) && defined(__PRU__) - #define JSON_HEDLEY_TI_CLPRU_VERSION JSON_HEDLEY_VERSION_ENCODE(__TI_COMPILER_VERSION__ / 1000000, (__TI_COMPILER_VERSION__ % 1000000) / 1000, (__TI_COMPILER_VERSION__ % 1000)) -#endif - -#if defined(JSON_HEDLEY_TI_CLPRU_VERSION_CHECK) - #undef JSON_HEDLEY_TI_CLPRU_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_TI_CLPRU_VERSION) - #define JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_TI_CLPRU_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else - #define JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_CRAY_VERSION) - #undef JSON_HEDLEY_CRAY_VERSION -#endif -#if defined(_CRAYC) - #if defined(_RELEASE_PATCHLEVEL) - #define JSON_HEDLEY_CRAY_VERSION JSON_HEDLEY_VERSION_ENCODE(_RELEASE_MAJOR, _RELEASE_MINOR, _RELEASE_PATCHLEVEL) - #else - #define JSON_HEDLEY_CRAY_VERSION JSON_HEDLEY_VERSION_ENCODE(_RELEASE_MAJOR, _RELEASE_MINOR, 0) - #endif -#endif - -#if defined(JSON_HEDLEY_CRAY_VERSION_CHECK) - #undef JSON_HEDLEY_CRAY_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_CRAY_VERSION) - #define JSON_HEDLEY_CRAY_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_CRAY_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else - #define JSON_HEDLEY_CRAY_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_IAR_VERSION) - #undef JSON_HEDLEY_IAR_VERSION -#endif -#if defined(__IAR_SYSTEMS_ICC__) - #if __VER__ > 1000 - #define JSON_HEDLEY_IAR_VERSION JSON_HEDLEY_VERSION_ENCODE((__VER__ / 1000000), ((__VER__ / 1000) % 1000), (__VER__ % 1000)) - #else - #define JSON_HEDLEY_IAR_VERSION JSON_HEDLEY_VERSION_ENCODE(VER / 100, __VER__ % 100, 0) - #endif -#endif - -#if defined(JSON_HEDLEY_IAR_VERSION_CHECK) - #undef JSON_HEDLEY_IAR_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_IAR_VERSION) - #define JSON_HEDLEY_IAR_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_IAR_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else - #define JSON_HEDLEY_IAR_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_TINYC_VERSION) - #undef JSON_HEDLEY_TINYC_VERSION -#endif -#if defined(__TINYC__) - #define JSON_HEDLEY_TINYC_VERSION JSON_HEDLEY_VERSION_ENCODE(__TINYC__ / 1000, (__TINYC__ / 100) % 10, __TINYC__ % 100) -#endif - -#if defined(JSON_HEDLEY_TINYC_VERSION_CHECK) - #undef JSON_HEDLEY_TINYC_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_TINYC_VERSION) - #define JSON_HEDLEY_TINYC_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_TINYC_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else - #define JSON_HEDLEY_TINYC_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_DMC_VERSION) - #undef JSON_HEDLEY_DMC_VERSION -#endif -#if defined(__DMC__) - #define JSON_HEDLEY_DMC_VERSION JSON_HEDLEY_VERSION_ENCODE(__DMC__ >> 8, (__DMC__ >> 4) & 0xf, __DMC__ & 0xf) -#endif - -#if defined(JSON_HEDLEY_DMC_VERSION_CHECK) - #undef JSON_HEDLEY_DMC_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_DMC_VERSION) - #define JSON_HEDLEY_DMC_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_DMC_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else - #define JSON_HEDLEY_DMC_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_COMPCERT_VERSION) - #undef JSON_HEDLEY_COMPCERT_VERSION -#endif -#if defined(__COMPCERT_VERSION__) - #define JSON_HEDLEY_COMPCERT_VERSION JSON_HEDLEY_VERSION_ENCODE(__COMPCERT_VERSION__ / 10000, (__COMPCERT_VERSION__ / 100) % 100, __COMPCERT_VERSION__ % 100) -#endif - -#if defined(JSON_HEDLEY_COMPCERT_VERSION_CHECK) - #undef JSON_HEDLEY_COMPCERT_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_COMPCERT_VERSION) - #define JSON_HEDLEY_COMPCERT_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_COMPCERT_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else - #define JSON_HEDLEY_COMPCERT_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_PELLES_VERSION) - #undef JSON_HEDLEY_PELLES_VERSION -#endif -#if defined(__POCC__) - #define JSON_HEDLEY_PELLES_VERSION JSON_HEDLEY_VERSION_ENCODE(__POCC__ / 100, __POCC__ % 100, 0) -#endif - -#if defined(JSON_HEDLEY_PELLES_VERSION_CHECK) - #undef JSON_HEDLEY_PELLES_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_PELLES_VERSION) - #define JSON_HEDLEY_PELLES_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_PELLES_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else - #define JSON_HEDLEY_PELLES_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_GCC_VERSION) - #undef JSON_HEDLEY_GCC_VERSION -#endif -#if \ - defined(JSON_HEDLEY_GNUC_VERSION) && \ - !defined(__clang__) && \ - !defined(JSON_HEDLEY_INTEL_VERSION) && \ - !defined(JSON_HEDLEY_PGI_VERSION) && \ - !defined(JSON_HEDLEY_ARM_VERSION) && \ - !defined(JSON_HEDLEY_TI_VERSION) && \ - !defined(JSON_HEDLEY_TI_ARMCL_VERSION) && \ - !defined(JSON_HEDLEY_TI_CL430_VERSION) && \ - !defined(JSON_HEDLEY_TI_CL2000_VERSION) && \ - !defined(JSON_HEDLEY_TI_CL6X_VERSION) && \ - !defined(JSON_HEDLEY_TI_CL7X_VERSION) && \ - !defined(JSON_HEDLEY_TI_CLPRU_VERSION) && \ - !defined(__COMPCERT__) - #define JSON_HEDLEY_GCC_VERSION JSON_HEDLEY_GNUC_VERSION -#endif - -#if defined(JSON_HEDLEY_GCC_VERSION_CHECK) - #undef JSON_HEDLEY_GCC_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_GCC_VERSION) - #define JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_GCC_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else - #define JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_HAS_ATTRIBUTE) - #undef JSON_HEDLEY_HAS_ATTRIBUTE -#endif -#if defined(__has_attribute) - #define JSON_HEDLEY_HAS_ATTRIBUTE(attribute) __has_attribute(attribute) -#else - #define JSON_HEDLEY_HAS_ATTRIBUTE(attribute) (0) -#endif - -#if defined(JSON_HEDLEY_GNUC_HAS_ATTRIBUTE) - #undef JSON_HEDLEY_GNUC_HAS_ATTRIBUTE -#endif -#if defined(__has_attribute) - #define JSON_HEDLEY_GNUC_HAS_ATTRIBUTE(attribute,major,minor,patch) __has_attribute(attribute) -#else - #define JSON_HEDLEY_GNUC_HAS_ATTRIBUTE(attribute,major,minor,patch) JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_GCC_HAS_ATTRIBUTE) - #undef JSON_HEDLEY_GCC_HAS_ATTRIBUTE -#endif -#if defined(__has_attribute) - #define JSON_HEDLEY_GCC_HAS_ATTRIBUTE(attribute,major,minor,patch) __has_attribute(attribute) -#else - #define JSON_HEDLEY_GCC_HAS_ATTRIBUTE(attribute,major,minor,patch) JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_HAS_CPP_ATTRIBUTE) - #undef JSON_HEDLEY_HAS_CPP_ATTRIBUTE -#endif -#if \ - defined(__has_cpp_attribute) && \ - defined(__cplusplus) && \ - (!defined(JSON_HEDLEY_SUNPRO_VERSION) || JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,15,0)) - #define JSON_HEDLEY_HAS_CPP_ATTRIBUTE(attribute) __has_cpp_attribute(attribute) -#else - #define JSON_HEDLEY_HAS_CPP_ATTRIBUTE(attribute) (0) -#endif - -#if defined(JSON_HEDLEY_HAS_CPP_ATTRIBUTE_NS) - #undef JSON_HEDLEY_HAS_CPP_ATTRIBUTE_NS -#endif -#if !defined(__cplusplus) || !defined(__has_cpp_attribute) - #define JSON_HEDLEY_HAS_CPP_ATTRIBUTE_NS(ns,attribute) (0) -#elif \ - !defined(JSON_HEDLEY_PGI_VERSION) && \ - !defined(JSON_HEDLEY_IAR_VERSION) && \ - (!defined(JSON_HEDLEY_SUNPRO_VERSION) || JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,15,0)) && \ - (!defined(JSON_HEDLEY_MSVC_VERSION) || JSON_HEDLEY_MSVC_VERSION_CHECK(19,20,0)) - #define JSON_HEDLEY_HAS_CPP_ATTRIBUTE_NS(ns,attribute) JSON_HEDLEY_HAS_CPP_ATTRIBUTE(ns::attribute) -#else - #define JSON_HEDLEY_HAS_CPP_ATTRIBUTE_NS(ns,attribute) (0) -#endif - -#if defined(JSON_HEDLEY_GNUC_HAS_CPP_ATTRIBUTE) - #undef JSON_HEDLEY_GNUC_HAS_CPP_ATTRIBUTE -#endif -#if defined(__has_cpp_attribute) && defined(__cplusplus) - #define JSON_HEDLEY_GNUC_HAS_CPP_ATTRIBUTE(attribute,major,minor,patch) __has_cpp_attribute(attribute) -#else - #define JSON_HEDLEY_GNUC_HAS_CPP_ATTRIBUTE(attribute,major,minor,patch) JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_GCC_HAS_CPP_ATTRIBUTE) - #undef JSON_HEDLEY_GCC_HAS_CPP_ATTRIBUTE -#endif -#if defined(__has_cpp_attribute) && defined(__cplusplus) - #define JSON_HEDLEY_GCC_HAS_CPP_ATTRIBUTE(attribute,major,minor,patch) __has_cpp_attribute(attribute) -#else - #define JSON_HEDLEY_GCC_HAS_CPP_ATTRIBUTE(attribute,major,minor,patch) JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_HAS_BUILTIN) - #undef JSON_HEDLEY_HAS_BUILTIN -#endif -#if defined(__has_builtin) - #define JSON_HEDLEY_HAS_BUILTIN(builtin) __has_builtin(builtin) -#else - #define JSON_HEDLEY_HAS_BUILTIN(builtin) (0) -#endif - -#if defined(JSON_HEDLEY_GNUC_HAS_BUILTIN) - #undef JSON_HEDLEY_GNUC_HAS_BUILTIN -#endif -#if defined(__has_builtin) - #define JSON_HEDLEY_GNUC_HAS_BUILTIN(builtin,major,minor,patch) __has_builtin(builtin) -#else - #define JSON_HEDLEY_GNUC_HAS_BUILTIN(builtin,major,minor,patch) JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_GCC_HAS_BUILTIN) - #undef JSON_HEDLEY_GCC_HAS_BUILTIN -#endif -#if defined(__has_builtin) - #define JSON_HEDLEY_GCC_HAS_BUILTIN(builtin,major,minor,patch) __has_builtin(builtin) -#else - #define JSON_HEDLEY_GCC_HAS_BUILTIN(builtin,major,minor,patch) JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_HAS_FEATURE) - #undef JSON_HEDLEY_HAS_FEATURE -#endif -#if defined(__has_feature) - #define JSON_HEDLEY_HAS_FEATURE(feature) __has_feature(feature) -#else - #define JSON_HEDLEY_HAS_FEATURE(feature) (0) -#endif - -#if defined(JSON_HEDLEY_GNUC_HAS_FEATURE) - #undef JSON_HEDLEY_GNUC_HAS_FEATURE -#endif -#if defined(__has_feature) - #define JSON_HEDLEY_GNUC_HAS_FEATURE(feature,major,minor,patch) __has_feature(feature) -#else - #define JSON_HEDLEY_GNUC_HAS_FEATURE(feature,major,minor,patch) JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_GCC_HAS_FEATURE) - #undef JSON_HEDLEY_GCC_HAS_FEATURE -#endif -#if defined(__has_feature) - #define JSON_HEDLEY_GCC_HAS_FEATURE(feature,major,minor,patch) __has_feature(feature) -#else - #define JSON_HEDLEY_GCC_HAS_FEATURE(feature,major,minor,patch) JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_HAS_EXTENSION) - #undef JSON_HEDLEY_HAS_EXTENSION -#endif -#if defined(__has_extension) - #define JSON_HEDLEY_HAS_EXTENSION(extension) __has_extension(extension) -#else - #define JSON_HEDLEY_HAS_EXTENSION(extension) (0) -#endif - -#if defined(JSON_HEDLEY_GNUC_HAS_EXTENSION) - #undef JSON_HEDLEY_GNUC_HAS_EXTENSION -#endif -#if defined(__has_extension) - #define JSON_HEDLEY_GNUC_HAS_EXTENSION(extension,major,minor,patch) __has_extension(extension) -#else - #define JSON_HEDLEY_GNUC_HAS_EXTENSION(extension,major,minor,patch) JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_GCC_HAS_EXTENSION) - #undef JSON_HEDLEY_GCC_HAS_EXTENSION -#endif -#if defined(__has_extension) - #define JSON_HEDLEY_GCC_HAS_EXTENSION(extension,major,minor,patch) __has_extension(extension) -#else - #define JSON_HEDLEY_GCC_HAS_EXTENSION(extension,major,minor,patch) JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_HAS_DECLSPEC_ATTRIBUTE) - #undef JSON_HEDLEY_HAS_DECLSPEC_ATTRIBUTE -#endif -#if defined(__has_declspec_attribute) - #define JSON_HEDLEY_HAS_DECLSPEC_ATTRIBUTE(attribute) __has_declspec_attribute(attribute) -#else - #define JSON_HEDLEY_HAS_DECLSPEC_ATTRIBUTE(attribute) (0) -#endif - -#if defined(JSON_HEDLEY_GNUC_HAS_DECLSPEC_ATTRIBUTE) - #undef JSON_HEDLEY_GNUC_HAS_DECLSPEC_ATTRIBUTE -#endif -#if defined(__has_declspec_attribute) - #define JSON_HEDLEY_GNUC_HAS_DECLSPEC_ATTRIBUTE(attribute,major,minor,patch) __has_declspec_attribute(attribute) -#else - #define JSON_HEDLEY_GNUC_HAS_DECLSPEC_ATTRIBUTE(attribute,major,minor,patch) JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_GCC_HAS_DECLSPEC_ATTRIBUTE) - #undef JSON_HEDLEY_GCC_HAS_DECLSPEC_ATTRIBUTE -#endif -#if defined(__has_declspec_attribute) - #define JSON_HEDLEY_GCC_HAS_DECLSPEC_ATTRIBUTE(attribute,major,minor,patch) __has_declspec_attribute(attribute) -#else - #define JSON_HEDLEY_GCC_HAS_DECLSPEC_ATTRIBUTE(attribute,major,minor,patch) JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_HAS_WARNING) - #undef JSON_HEDLEY_HAS_WARNING -#endif -#if defined(__has_warning) - #define JSON_HEDLEY_HAS_WARNING(warning) __has_warning(warning) -#else - #define JSON_HEDLEY_HAS_WARNING(warning) (0) -#endif - -#if defined(JSON_HEDLEY_GNUC_HAS_WARNING) - #undef JSON_HEDLEY_GNUC_HAS_WARNING -#endif -#if defined(__has_warning) - #define JSON_HEDLEY_GNUC_HAS_WARNING(warning,major,minor,patch) __has_warning(warning) -#else - #define JSON_HEDLEY_GNUC_HAS_WARNING(warning,major,minor,patch) JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_GCC_HAS_WARNING) - #undef JSON_HEDLEY_GCC_HAS_WARNING -#endif -#if defined(__has_warning) - #define JSON_HEDLEY_GCC_HAS_WARNING(warning,major,minor,patch) __has_warning(warning) -#else - #define JSON_HEDLEY_GCC_HAS_WARNING(warning,major,minor,patch) JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) -#endif - -/* JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_ is for - HEDLEY INTERNAL USE ONLY. API subject to change without notice. */ -#if defined(JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_) - #undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_ -#endif -#if defined(__cplusplus) -# if JSON_HEDLEY_HAS_WARNING("-Wc++98-compat") -# if JSON_HEDLEY_HAS_WARNING("-Wc++17-extensions") -# define JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_(xpr) \ - JSON_HEDLEY_DIAGNOSTIC_PUSH \ - _Pragma("clang diagnostic ignored \"-Wc++98-compat\"") \ - _Pragma("clang diagnostic ignored \"-Wc++17-extensions\"") \ - xpr \ - JSON_HEDLEY_DIAGNOSTIC_POP -# else -# define JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_(xpr) \ - JSON_HEDLEY_DIAGNOSTIC_PUSH \ - _Pragma("clang diagnostic ignored \"-Wc++98-compat\"") \ - xpr \ - JSON_HEDLEY_DIAGNOSTIC_POP -# endif -# endif -#endif -#if !defined(JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_) - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_(x) x -#endif - -#if defined(JSON_HEDLEY_CONST_CAST) - #undef JSON_HEDLEY_CONST_CAST -#endif -#if defined(__cplusplus) -# define JSON_HEDLEY_CONST_CAST(T, expr) (const_cast(expr)) -#elif \ - JSON_HEDLEY_HAS_WARNING("-Wcast-qual") || \ - JSON_HEDLEY_GCC_VERSION_CHECK(4,6,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) -# define JSON_HEDLEY_CONST_CAST(T, expr) (__extension__ ({ \ - JSON_HEDLEY_DIAGNOSTIC_PUSH \ - JSON_HEDLEY_DIAGNOSTIC_DISABLE_CAST_QUAL \ - ((T) (expr)); \ - JSON_HEDLEY_DIAGNOSTIC_POP \ - })) -#else -# define JSON_HEDLEY_CONST_CAST(T, expr) ((T) (expr)) -#endif - -#if defined(JSON_HEDLEY_REINTERPRET_CAST) - #undef JSON_HEDLEY_REINTERPRET_CAST -#endif -#if defined(__cplusplus) - #define JSON_HEDLEY_REINTERPRET_CAST(T, expr) (reinterpret_cast(expr)) -#else - #define JSON_HEDLEY_REINTERPRET_CAST(T, expr) ((T) (expr)) -#endif - -#if defined(JSON_HEDLEY_STATIC_CAST) - #undef JSON_HEDLEY_STATIC_CAST -#endif -#if defined(__cplusplus) - #define JSON_HEDLEY_STATIC_CAST(T, expr) (static_cast(expr)) -#else - #define JSON_HEDLEY_STATIC_CAST(T, expr) ((T) (expr)) -#endif - -#if defined(JSON_HEDLEY_CPP_CAST) - #undef JSON_HEDLEY_CPP_CAST -#endif -#if defined(__cplusplus) -# if JSON_HEDLEY_HAS_WARNING("-Wold-style-cast") -# define JSON_HEDLEY_CPP_CAST(T, expr) \ - JSON_HEDLEY_DIAGNOSTIC_PUSH \ - _Pragma("clang diagnostic ignored \"-Wold-style-cast\"") \ - ((T) (expr)) \ - JSON_HEDLEY_DIAGNOSTIC_POP -# elif JSON_HEDLEY_IAR_VERSION_CHECK(8,3,0) -# define JSON_HEDLEY_CPP_CAST(T, expr) \ - JSON_HEDLEY_DIAGNOSTIC_PUSH \ - _Pragma("diag_suppress=Pe137") \ - JSON_HEDLEY_DIAGNOSTIC_POP \ -# else -# define JSON_HEDLEY_CPP_CAST(T, expr) ((T) (expr)) -# endif -#else -# define JSON_HEDLEY_CPP_CAST(T, expr) (expr) -#endif - -#if \ - (defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)) || \ - defined(__clang__) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(3,0,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) || \ - JSON_HEDLEY_PGI_VERSION_CHECK(18,4,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ - JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,7,0) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(2,0,1) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,1,0) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,0,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) || \ - JSON_HEDLEY_CRAY_VERSION_CHECK(5,0,0) || \ - JSON_HEDLEY_TINYC_VERSION_CHECK(0,9,17) || \ - JSON_HEDLEY_SUNPRO_VERSION_CHECK(8,0,0) || \ - (JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) && defined(__C99_PRAGMA_OPERATOR)) - #define JSON_HEDLEY_PRAGMA(value) _Pragma(#value) -#elif JSON_HEDLEY_MSVC_VERSION_CHECK(15,0,0) - #define JSON_HEDLEY_PRAGMA(value) __pragma(value) -#else - #define JSON_HEDLEY_PRAGMA(value) -#endif - -#if defined(JSON_HEDLEY_DIAGNOSTIC_PUSH) - #undef JSON_HEDLEY_DIAGNOSTIC_PUSH -#endif -#if defined(JSON_HEDLEY_DIAGNOSTIC_POP) - #undef JSON_HEDLEY_DIAGNOSTIC_POP -#endif -#if defined(__clang__) - #define JSON_HEDLEY_DIAGNOSTIC_PUSH _Pragma("clang diagnostic push") - #define JSON_HEDLEY_DIAGNOSTIC_POP _Pragma("clang diagnostic pop") -#elif JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) - #define JSON_HEDLEY_DIAGNOSTIC_PUSH _Pragma("warning(push)") - #define JSON_HEDLEY_DIAGNOSTIC_POP _Pragma("warning(pop)") -#elif JSON_HEDLEY_GCC_VERSION_CHECK(4,6,0) - #define JSON_HEDLEY_DIAGNOSTIC_PUSH _Pragma("GCC diagnostic push") - #define JSON_HEDLEY_DIAGNOSTIC_POP _Pragma("GCC diagnostic pop") -#elif JSON_HEDLEY_MSVC_VERSION_CHECK(15,0,0) - #define JSON_HEDLEY_DIAGNOSTIC_PUSH __pragma(warning(push)) - #define JSON_HEDLEY_DIAGNOSTIC_POP __pragma(warning(pop)) -#elif JSON_HEDLEY_ARM_VERSION_CHECK(5,6,0) - #define JSON_HEDLEY_DIAGNOSTIC_PUSH _Pragma("push") - #define JSON_HEDLEY_DIAGNOSTIC_POP _Pragma("pop") -#elif \ - JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,4,0) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(8,1,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) - #define JSON_HEDLEY_DIAGNOSTIC_PUSH _Pragma("diag_push") - #define JSON_HEDLEY_DIAGNOSTIC_POP _Pragma("diag_pop") -#elif JSON_HEDLEY_PELLES_VERSION_CHECK(2,90,0) - #define JSON_HEDLEY_DIAGNOSTIC_PUSH _Pragma("warning(push)") - #define JSON_HEDLEY_DIAGNOSTIC_POP _Pragma("warning(pop)") -#else - #define JSON_HEDLEY_DIAGNOSTIC_PUSH - #define JSON_HEDLEY_DIAGNOSTIC_POP -#endif - -#if defined(JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED) - #undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED -#endif -#if JSON_HEDLEY_HAS_WARNING("-Wdeprecated-declarations") - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("clang diagnostic ignored \"-Wdeprecated-declarations\"") -#elif JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("warning(disable:1478 1786)") -#elif JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0) - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("diag_suppress 1215,1444") -#elif JSON_HEDLEY_GCC_VERSION_CHECK(4,3,0) - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") -#elif JSON_HEDLEY_MSVC_VERSION_CHECK(15,0,0) - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED __pragma(warning(disable:4996)) -#elif \ - JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ - (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ - (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ - (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ - (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("diag_suppress 1291,1718") -#elif JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,13,0) && !defined(__cplusplus) - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("error_messages(off,E_DEPRECATED_ATT,E_DEPRECATED_ATT_MESS)") -#elif JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,13,0) && defined(__cplusplus) - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("error_messages(off,symdeprecated,symdeprecated2)") -#elif JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("diag_suppress=Pe1444,Pe1215") -#elif JSON_HEDLEY_PELLES_VERSION_CHECK(2,90,0) - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("warn(disable:2241)") -#else - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED -#endif - -#if defined(JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS) - #undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS -#endif -#if JSON_HEDLEY_HAS_WARNING("-Wunknown-pragmas") - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("clang diagnostic ignored \"-Wunknown-pragmas\"") -#elif JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("warning(disable:161)") -#elif JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0) - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("diag_suppress 1675") -#elif JSON_HEDLEY_GCC_VERSION_CHECK(4,3,0) - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("GCC diagnostic ignored \"-Wunknown-pragmas\"") -#elif JSON_HEDLEY_MSVC_VERSION_CHECK(15,0,0) - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS __pragma(warning(disable:4068)) -#elif \ - JSON_HEDLEY_TI_VERSION_CHECK(16,9,0) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(8,0,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,3,0) - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("diag_suppress 163") -#elif JSON_HEDLEY_TI_CL6X_VERSION_CHECK(8,0,0) - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("diag_suppress 163") -#elif JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("diag_suppress=Pe161") -#else - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS -#endif - -#if defined(JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES) - #undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES -#endif -#if JSON_HEDLEY_HAS_WARNING("-Wunknown-attributes") - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("clang diagnostic ignored \"-Wunknown-attributes\"") -#elif JSON_HEDLEY_GCC_VERSION_CHECK(4,6,0) - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") -#elif JSON_HEDLEY_INTEL_VERSION_CHECK(17,0,0) - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("warning(disable:1292)") -#elif JSON_HEDLEY_MSVC_VERSION_CHECK(19,0,0) - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES __pragma(warning(disable:5030)) -#elif JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0) - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("diag_suppress 1097") -#elif JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,14,0) && defined(__cplusplus) - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("error_messages(off,attrskipunsup)") -#elif \ - JSON_HEDLEY_TI_VERSION_CHECK(18,1,0) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(8,3,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("diag_suppress 1173") -#elif JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("diag_suppress=Pe1097") -#else - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES -#endif - -#if defined(JSON_HEDLEY_DIAGNOSTIC_DISABLE_CAST_QUAL) - #undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_CAST_QUAL -#endif -#if JSON_HEDLEY_HAS_WARNING("-Wcast-qual") - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_CAST_QUAL _Pragma("clang diagnostic ignored \"-Wcast-qual\"") -#elif JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_CAST_QUAL _Pragma("warning(disable:2203 2331)") -#elif JSON_HEDLEY_GCC_VERSION_CHECK(3,0,0) - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_CAST_QUAL _Pragma("GCC diagnostic ignored \"-Wcast-qual\"") -#else - #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_CAST_QUAL -#endif - -#if defined(JSON_HEDLEY_DEPRECATED) - #undef JSON_HEDLEY_DEPRECATED -#endif -#if defined(JSON_HEDLEY_DEPRECATED_FOR) - #undef JSON_HEDLEY_DEPRECATED_FOR -#endif -#if JSON_HEDLEY_MSVC_VERSION_CHECK(14,0,0) - #define JSON_HEDLEY_DEPRECATED(since) __declspec(deprecated("Since " # since)) - #define JSON_HEDLEY_DEPRECATED_FOR(since, replacement) __declspec(deprecated("Since " #since "; use " #replacement)) -#elif defined(__cplusplus) && (__cplusplus >= 201402L) - #define JSON_HEDLEY_DEPRECATED(since) JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[deprecated("Since " #since)]]) - #define JSON_HEDLEY_DEPRECATED_FOR(since, replacement) JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[deprecated("Since " #since "; use " #replacement)]]) -#elif \ - JSON_HEDLEY_HAS_EXTENSION(attribute_deprecated_with_message) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(4,5,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(5,6,0) || \ - JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,13,0) || \ - JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0) || \ - JSON_HEDLEY_TI_VERSION_CHECK(18,1,0) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(18,1,0) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(8,3,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,3,0) - #define JSON_HEDLEY_DEPRECATED(since) __attribute__((__deprecated__("Since " #since))) - #define JSON_HEDLEY_DEPRECATED_FOR(since, replacement) __attribute__((__deprecated__("Since " #since "; use " #replacement))) -#elif \ - JSON_HEDLEY_HAS_ATTRIBUTE(deprecated) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(3,1,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ - JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ - (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ - (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ - (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ - (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) - #define JSON_HEDLEY_DEPRECATED(since) __attribute__((__deprecated__)) - #define JSON_HEDLEY_DEPRECATED_FOR(since, replacement) __attribute__((__deprecated__)) -#elif \ - JSON_HEDLEY_MSVC_VERSION_CHECK(13,10,0) || \ - JSON_HEDLEY_PELLES_VERSION_CHECK(6,50,0) - #define JSON_HEDLEY_DEPRECATED(since) __declspec(deprecated) - #define JSON_HEDLEY_DEPRECATED_FOR(since, replacement) __declspec(deprecated) -#elif JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) - #define JSON_HEDLEY_DEPRECATED(since) _Pragma("deprecated") - #define JSON_HEDLEY_DEPRECATED_FOR(since, replacement) _Pragma("deprecated") -#else - #define JSON_HEDLEY_DEPRECATED(since) - #define JSON_HEDLEY_DEPRECATED_FOR(since, replacement) -#endif - -#if defined(JSON_HEDLEY_UNAVAILABLE) - #undef JSON_HEDLEY_UNAVAILABLE -#endif -#if \ - JSON_HEDLEY_HAS_ATTRIBUTE(warning) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(4,3,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) - #define JSON_HEDLEY_UNAVAILABLE(available_since) __attribute__((__warning__("Not available until " #available_since))) -#else - #define JSON_HEDLEY_UNAVAILABLE(available_since) -#endif - -#if defined(JSON_HEDLEY_WARN_UNUSED_RESULT) - #undef JSON_HEDLEY_WARN_UNUSED_RESULT -#endif -#if defined(JSON_HEDLEY_WARN_UNUSED_RESULT_MSG) - #undef JSON_HEDLEY_WARN_UNUSED_RESULT_MSG -#endif -#if (JSON_HEDLEY_HAS_CPP_ATTRIBUTE(nodiscard) >= 201907L) - #define JSON_HEDLEY_WARN_UNUSED_RESULT JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[nodiscard]]) - #define JSON_HEDLEY_WARN_UNUSED_RESULT_MSG(msg) JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[nodiscard(msg)]]) -#elif JSON_HEDLEY_HAS_CPP_ATTRIBUTE(nodiscard) - #define JSON_HEDLEY_WARN_UNUSED_RESULT JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[nodiscard]]) - #define JSON_HEDLEY_WARN_UNUSED_RESULT_MSG(msg) JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[nodiscard]]) -#elif \ - JSON_HEDLEY_HAS_ATTRIBUTE(warn_unused_result) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(3,4,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ - (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ - (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ - (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ - (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) || \ - (JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,15,0) && defined(__cplusplus)) || \ - JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0) - #define JSON_HEDLEY_WARN_UNUSED_RESULT __attribute__((__warn_unused_result__)) - #define JSON_HEDLEY_WARN_UNUSED_RESULT_MSG(msg) __attribute__((__warn_unused_result__)) -#elif defined(_Check_return_) /* SAL */ - #define JSON_HEDLEY_WARN_UNUSED_RESULT _Check_return_ - #define JSON_HEDLEY_WARN_UNUSED_RESULT_MSG(msg) _Check_return_ -#else - #define JSON_HEDLEY_WARN_UNUSED_RESULT - #define JSON_HEDLEY_WARN_UNUSED_RESULT_MSG(msg) -#endif - -#if defined(JSON_HEDLEY_SENTINEL) - #undef JSON_HEDLEY_SENTINEL -#endif -#if \ - JSON_HEDLEY_HAS_ATTRIBUTE(sentinel) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(4,0,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(5,4,0) - #define JSON_HEDLEY_SENTINEL(position) __attribute__((__sentinel__(position))) -#else - #define JSON_HEDLEY_SENTINEL(position) -#endif - -#if defined(JSON_HEDLEY_NO_RETURN) - #undef JSON_HEDLEY_NO_RETURN -#endif -#if JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) - #define JSON_HEDLEY_NO_RETURN __noreturn -#elif JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) - #define JSON_HEDLEY_NO_RETURN __attribute__((__noreturn__)) -#elif defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L - #define JSON_HEDLEY_NO_RETURN _Noreturn -#elif defined(__cplusplus) && (__cplusplus >= 201103L) - #define JSON_HEDLEY_NO_RETURN JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[noreturn]]) -#elif \ - JSON_HEDLEY_HAS_ATTRIBUTE(noreturn) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(3,2,0) || \ - JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,11,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) || \ - JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ - (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ - (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ - (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ - (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) - #define JSON_HEDLEY_NO_RETURN __attribute__((__noreturn__)) -#elif JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,10,0) - #define JSON_HEDLEY_NO_RETURN _Pragma("does_not_return") -#elif JSON_HEDLEY_MSVC_VERSION_CHECK(13,10,0) - #define JSON_HEDLEY_NO_RETURN __declspec(noreturn) -#elif JSON_HEDLEY_TI_CL6X_VERSION_CHECK(6,0,0) && defined(__cplusplus) - #define JSON_HEDLEY_NO_RETURN _Pragma("FUNC_NEVER_RETURNS;") -#elif JSON_HEDLEY_COMPCERT_VERSION_CHECK(3,2,0) - #define JSON_HEDLEY_NO_RETURN __attribute((noreturn)) -#elif JSON_HEDLEY_PELLES_VERSION_CHECK(9,0,0) - #define JSON_HEDLEY_NO_RETURN __declspec(noreturn) -#else - #define JSON_HEDLEY_NO_RETURN -#endif - -#if defined(JSON_HEDLEY_NO_ESCAPE) - #undef JSON_HEDLEY_NO_ESCAPE -#endif -#if JSON_HEDLEY_HAS_ATTRIBUTE(noescape) - #define JSON_HEDLEY_NO_ESCAPE __attribute__((__noescape__)) -#else - #define JSON_HEDLEY_NO_ESCAPE -#endif - -#if defined(JSON_HEDLEY_UNREACHABLE) - #undef JSON_HEDLEY_UNREACHABLE -#endif -#if defined(JSON_HEDLEY_UNREACHABLE_RETURN) - #undef JSON_HEDLEY_UNREACHABLE_RETURN -#endif -#if defined(JSON_HEDLEY_ASSUME) - #undef JSON_HEDLEY_ASSUME -#endif -#if \ - JSON_HEDLEY_MSVC_VERSION_CHECK(13,10,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) - #define JSON_HEDLEY_ASSUME(expr) __assume(expr) -#elif JSON_HEDLEY_HAS_BUILTIN(__builtin_assume) - #define JSON_HEDLEY_ASSUME(expr) __builtin_assume(expr) -#elif \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,2,0) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(4,0,0) - #if defined(__cplusplus) - #define JSON_HEDLEY_ASSUME(expr) std::_nassert(expr) - #else - #define JSON_HEDLEY_ASSUME(expr) _nassert(expr) - #endif -#endif -#if \ - (JSON_HEDLEY_HAS_BUILTIN(__builtin_unreachable) && (!defined(JSON_HEDLEY_ARM_VERSION))) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(4,5,0) || \ - JSON_HEDLEY_PGI_VERSION_CHECK(18,10,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(13,1,5) - #define JSON_HEDLEY_UNREACHABLE() __builtin_unreachable() -#elif defined(JSON_HEDLEY_ASSUME) - #define JSON_HEDLEY_UNREACHABLE() JSON_HEDLEY_ASSUME(0) -#endif -#if !defined(JSON_HEDLEY_ASSUME) - #if defined(JSON_HEDLEY_UNREACHABLE) - #define JSON_HEDLEY_ASSUME(expr) JSON_HEDLEY_STATIC_CAST(void, ((expr) ? 1 : (JSON_HEDLEY_UNREACHABLE(), 1))) - #else - #define JSON_HEDLEY_ASSUME(expr) JSON_HEDLEY_STATIC_CAST(void, expr) - #endif -#endif -#if defined(JSON_HEDLEY_UNREACHABLE) - #if \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,2,0) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(4,0,0) - #define JSON_HEDLEY_UNREACHABLE_RETURN(value) return (JSON_HEDLEY_STATIC_CAST(void, JSON_HEDLEY_ASSUME(0)), (value)) - #else - #define JSON_HEDLEY_UNREACHABLE_RETURN(value) JSON_HEDLEY_UNREACHABLE() - #endif -#else - #define JSON_HEDLEY_UNREACHABLE_RETURN(value) return (value) -#endif -#if !defined(JSON_HEDLEY_UNREACHABLE) - #define JSON_HEDLEY_UNREACHABLE() JSON_HEDLEY_ASSUME(0) -#endif - -JSON_HEDLEY_DIAGNOSTIC_PUSH -#if JSON_HEDLEY_HAS_WARNING("-Wpedantic") - #pragma clang diagnostic ignored "-Wpedantic" -#endif -#if JSON_HEDLEY_HAS_WARNING("-Wc++98-compat-pedantic") && defined(__cplusplus) - #pragma clang diagnostic ignored "-Wc++98-compat-pedantic" -#endif -#if JSON_HEDLEY_GCC_HAS_WARNING("-Wvariadic-macros",4,0,0) - #if defined(__clang__) - #pragma clang diagnostic ignored "-Wvariadic-macros" - #elif defined(JSON_HEDLEY_GCC_VERSION) - #pragma GCC diagnostic ignored "-Wvariadic-macros" - #endif -#endif -#if defined(JSON_HEDLEY_NON_NULL) - #undef JSON_HEDLEY_NON_NULL -#endif -#if \ - JSON_HEDLEY_HAS_ATTRIBUTE(nonnull) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(3,3,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) - #define JSON_HEDLEY_NON_NULL(...) __attribute__((__nonnull__(__VA_ARGS__))) -#else - #define JSON_HEDLEY_NON_NULL(...) -#endif -JSON_HEDLEY_DIAGNOSTIC_POP - -#if defined(JSON_HEDLEY_PRINTF_FORMAT) - #undef JSON_HEDLEY_PRINTF_FORMAT -#endif -#if defined(__MINGW32__) && JSON_HEDLEY_GCC_HAS_ATTRIBUTE(format,4,4,0) && !defined(__USE_MINGW_ANSI_STDIO) - #define JSON_HEDLEY_PRINTF_FORMAT(string_idx,first_to_check) __attribute__((__format__(ms_printf, string_idx, first_to_check))) -#elif defined(__MINGW32__) && JSON_HEDLEY_GCC_HAS_ATTRIBUTE(format,4,4,0) && defined(__USE_MINGW_ANSI_STDIO) - #define JSON_HEDLEY_PRINTF_FORMAT(string_idx,first_to_check) __attribute__((__format__(gnu_printf, string_idx, first_to_check))) -#elif \ - JSON_HEDLEY_HAS_ATTRIBUTE(format) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(3,1,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(5,6,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) || \ - JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ - (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ - (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ - (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ - (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) - #define JSON_HEDLEY_PRINTF_FORMAT(string_idx,first_to_check) __attribute__((__format__(__printf__, string_idx, first_to_check))) -#elif JSON_HEDLEY_PELLES_VERSION_CHECK(6,0,0) - #define JSON_HEDLEY_PRINTF_FORMAT(string_idx,first_to_check) __declspec(vaformat(printf,string_idx,first_to_check)) -#else - #define JSON_HEDLEY_PRINTF_FORMAT(string_idx,first_to_check) -#endif - -#if defined(JSON_HEDLEY_CONSTEXPR) - #undef JSON_HEDLEY_CONSTEXPR -#endif -#if defined(__cplusplus) - #if __cplusplus >= 201103L - #define JSON_HEDLEY_CONSTEXPR JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_(constexpr) - #endif -#endif -#if !defined(JSON_HEDLEY_CONSTEXPR) - #define JSON_HEDLEY_CONSTEXPR -#endif - -#if defined(JSON_HEDLEY_PREDICT) - #undef JSON_HEDLEY_PREDICT -#endif -#if defined(JSON_HEDLEY_LIKELY) - #undef JSON_HEDLEY_LIKELY -#endif -#if defined(JSON_HEDLEY_UNLIKELY) - #undef JSON_HEDLEY_UNLIKELY -#endif -#if defined(JSON_HEDLEY_UNPREDICTABLE) - #undef JSON_HEDLEY_UNPREDICTABLE -#endif -#if JSON_HEDLEY_HAS_BUILTIN(__builtin_unpredictable) - #define JSON_HEDLEY_UNPREDICTABLE(expr) __builtin_unpredictable((expr)) -#endif -#if \ - JSON_HEDLEY_HAS_BUILTIN(__builtin_expect_with_probability) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(9,0,0) -# define JSON_HEDLEY_PREDICT(expr, value, probability) __builtin_expect_with_probability( (expr), (value), (probability)) -# define JSON_HEDLEY_PREDICT_TRUE(expr, probability) __builtin_expect_with_probability(!!(expr), 1 , (probability)) -# define JSON_HEDLEY_PREDICT_FALSE(expr, probability) __builtin_expect_with_probability(!!(expr), 0 , (probability)) -# define JSON_HEDLEY_LIKELY(expr) __builtin_expect (!!(expr), 1 ) -# define JSON_HEDLEY_UNLIKELY(expr) __builtin_expect (!!(expr), 0 ) -#elif \ - JSON_HEDLEY_HAS_BUILTIN(__builtin_expect) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(3,0,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - (JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,15,0) && defined(__cplusplus)) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) || \ - JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,7,0) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(3,1,0) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,1,0) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(6,1,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) || \ - JSON_HEDLEY_TINYC_VERSION_CHECK(0,9,27) || \ - JSON_HEDLEY_CRAY_VERSION_CHECK(8,1,0) -# define JSON_HEDLEY_PREDICT(expr, expected, probability) \ - (((probability) >= 0.9) ? __builtin_expect((expr), (expected)) : (JSON_HEDLEY_STATIC_CAST(void, expected), (expr))) -# define JSON_HEDLEY_PREDICT_TRUE(expr, probability) \ - (__extension__ ({ \ - double hedley_probability_ = (probability); \ - ((hedley_probability_ >= 0.9) ? __builtin_expect(!!(expr), 1) : ((hedley_probability_ <= 0.1) ? __builtin_expect(!!(expr), 0) : !!(expr))); \ - })) -# define JSON_HEDLEY_PREDICT_FALSE(expr, probability) \ - (__extension__ ({ \ - double hedley_probability_ = (probability); \ - ((hedley_probability_ >= 0.9) ? __builtin_expect(!!(expr), 0) : ((hedley_probability_ <= 0.1) ? __builtin_expect(!!(expr), 1) : !!(expr))); \ - })) -# define JSON_HEDLEY_LIKELY(expr) __builtin_expect(!!(expr), 1) -# define JSON_HEDLEY_UNLIKELY(expr) __builtin_expect(!!(expr), 0) -#else -# define JSON_HEDLEY_PREDICT(expr, expected, probability) (JSON_HEDLEY_STATIC_CAST(void, expected), (expr)) -# define JSON_HEDLEY_PREDICT_TRUE(expr, probability) (!!(expr)) -# define JSON_HEDLEY_PREDICT_FALSE(expr, probability) (!!(expr)) -# define JSON_HEDLEY_LIKELY(expr) (!!(expr)) -# define JSON_HEDLEY_UNLIKELY(expr) (!!(expr)) -#endif -#if !defined(JSON_HEDLEY_UNPREDICTABLE) - #define JSON_HEDLEY_UNPREDICTABLE(expr) JSON_HEDLEY_PREDICT(expr, 1, 0.5) -#endif - -#if defined(JSON_HEDLEY_MALLOC) - #undef JSON_HEDLEY_MALLOC -#endif -#if \ - JSON_HEDLEY_HAS_ATTRIBUTE(malloc) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(3,1,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,11,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(12,1,0) || \ - JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ - (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ - (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ - (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ - (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) - #define JSON_HEDLEY_MALLOC __attribute__((__malloc__)) -#elif JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,10,0) - #define JSON_HEDLEY_MALLOC _Pragma("returns_new_memory") -#elif JSON_HEDLEY_MSVC_VERSION_CHECK(14, 0, 0) - #define JSON_HEDLEY_MALLOC __declspec(restrict) -#else - #define JSON_HEDLEY_MALLOC -#endif - -#if defined(JSON_HEDLEY_PURE) - #undef JSON_HEDLEY_PURE -#endif -#if \ - JSON_HEDLEY_HAS_ATTRIBUTE(pure) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(2,96,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,11,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) || \ - JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ - (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ - (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ - (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ - (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) || \ - JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0) -# define JSON_HEDLEY_PURE __attribute__((__pure__)) -#elif JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,10,0) -# define JSON_HEDLEY_PURE _Pragma("does_not_write_global_data") -#elif defined(__cplusplus) && \ - ( \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(2,0,1) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(4,0,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) \ - ) -# define JSON_HEDLEY_PURE _Pragma("FUNC_IS_PURE;") -#else -# define JSON_HEDLEY_PURE -#endif - -#if defined(JSON_HEDLEY_CONST) - #undef JSON_HEDLEY_CONST -#endif -#if \ - JSON_HEDLEY_HAS_ATTRIBUTE(const) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(2,5,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,11,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) || \ - JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ - (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ - (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ - (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ - (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) || \ - JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0) - #define JSON_HEDLEY_CONST __attribute__((__const__)) -#elif \ - JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,10,0) - #define JSON_HEDLEY_CONST _Pragma("no_side_effect") -#else - #define JSON_HEDLEY_CONST JSON_HEDLEY_PURE -#endif - -#if defined(JSON_HEDLEY_RESTRICT) - #undef JSON_HEDLEY_RESTRICT -#endif -#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) && !defined(__cplusplus) - #define JSON_HEDLEY_RESTRICT restrict -#elif \ - JSON_HEDLEY_GCC_VERSION_CHECK(3,1,0) || \ - JSON_HEDLEY_MSVC_VERSION_CHECK(14,0,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) || \ - JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,2,4) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(8,1,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - (JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,14,0) && defined(__cplusplus)) || \ - JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) || \ - defined(__clang__) - #define JSON_HEDLEY_RESTRICT __restrict -#elif JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,3,0) && !defined(__cplusplus) - #define JSON_HEDLEY_RESTRICT _Restrict -#else - #define JSON_HEDLEY_RESTRICT -#endif - -#if defined(JSON_HEDLEY_INLINE) - #undef JSON_HEDLEY_INLINE -#endif -#if \ - (defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)) || \ - (defined(__cplusplus) && (__cplusplus >= 199711L)) - #define JSON_HEDLEY_INLINE inline -#elif \ - defined(JSON_HEDLEY_GCC_VERSION) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(6,2,0) - #define JSON_HEDLEY_INLINE __inline__ -#elif \ - JSON_HEDLEY_MSVC_VERSION_CHECK(12,0,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,1,0) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(3,1,0) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,2,0) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(8,0,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) - #define JSON_HEDLEY_INLINE __inline -#else - #define JSON_HEDLEY_INLINE -#endif - -#if defined(JSON_HEDLEY_ALWAYS_INLINE) - #undef JSON_HEDLEY_ALWAYS_INLINE -#endif -#if \ - JSON_HEDLEY_HAS_ATTRIBUTE(always_inline) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(4,0,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,11,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) || \ - JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ - (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ - (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ - (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ - (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) -# define JSON_HEDLEY_ALWAYS_INLINE __attribute__((__always_inline__)) JSON_HEDLEY_INLINE -#elif JSON_HEDLEY_MSVC_VERSION_CHECK(12,0,0) -# define JSON_HEDLEY_ALWAYS_INLINE __forceinline -#elif defined(__cplusplus) && \ - ( \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(6,1,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) \ - ) -# define JSON_HEDLEY_ALWAYS_INLINE _Pragma("FUNC_ALWAYS_INLINE;") -#elif JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) -# define JSON_HEDLEY_ALWAYS_INLINE _Pragma("inline=forced") -#else -# define JSON_HEDLEY_ALWAYS_INLINE JSON_HEDLEY_INLINE -#endif - -#if defined(JSON_HEDLEY_NEVER_INLINE) - #undef JSON_HEDLEY_NEVER_INLINE -#endif -#if \ - JSON_HEDLEY_HAS_ATTRIBUTE(noinline) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(4,0,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,11,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) || \ - JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ - (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ - (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ - (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ - (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) - #define JSON_HEDLEY_NEVER_INLINE __attribute__((__noinline__)) -#elif JSON_HEDLEY_MSVC_VERSION_CHECK(13,10,0) - #define JSON_HEDLEY_NEVER_INLINE __declspec(noinline) -#elif JSON_HEDLEY_PGI_VERSION_CHECK(10,2,0) - #define JSON_HEDLEY_NEVER_INLINE _Pragma("noinline") -#elif JSON_HEDLEY_TI_CL6X_VERSION_CHECK(6,0,0) && defined(__cplusplus) - #define JSON_HEDLEY_NEVER_INLINE _Pragma("FUNC_CANNOT_INLINE;") -#elif JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) - #define JSON_HEDLEY_NEVER_INLINE _Pragma("inline=never") -#elif JSON_HEDLEY_COMPCERT_VERSION_CHECK(3,2,0) - #define JSON_HEDLEY_NEVER_INLINE __attribute((noinline)) -#elif JSON_HEDLEY_PELLES_VERSION_CHECK(9,0,0) - #define JSON_HEDLEY_NEVER_INLINE __declspec(noinline) -#else - #define JSON_HEDLEY_NEVER_INLINE -#endif - -#if defined(JSON_HEDLEY_PRIVATE) - #undef JSON_HEDLEY_PRIVATE -#endif -#if defined(JSON_HEDLEY_PUBLIC) - #undef JSON_HEDLEY_PUBLIC -#endif -#if defined(JSON_HEDLEY_IMPORT) - #undef JSON_HEDLEY_IMPORT -#endif -#if defined(_WIN32) || defined(__CYGWIN__) -# define JSON_HEDLEY_PRIVATE -# define JSON_HEDLEY_PUBLIC __declspec(dllexport) -# define JSON_HEDLEY_IMPORT __declspec(dllimport) -#else -# if \ - JSON_HEDLEY_HAS_ATTRIBUTE(visibility) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(3,3,0) || \ - JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,11,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(13,1,0) || \ - ( \ - defined(__TI_EABI__) && \ - ( \ - (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) \ - ) \ - ) -# define JSON_HEDLEY_PRIVATE __attribute__((__visibility__("hidden"))) -# define JSON_HEDLEY_PUBLIC __attribute__((__visibility__("default"))) -# else -# define JSON_HEDLEY_PRIVATE -# define JSON_HEDLEY_PUBLIC -# endif -# define JSON_HEDLEY_IMPORT extern -#endif - -#if defined(JSON_HEDLEY_NO_THROW) - #undef JSON_HEDLEY_NO_THROW -#endif -#if \ - JSON_HEDLEY_HAS_ATTRIBUTE(nothrow) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(3,3,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) - #define JSON_HEDLEY_NO_THROW __attribute__((__nothrow__)) -#elif \ - JSON_HEDLEY_MSVC_VERSION_CHECK(13,1,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) - #define JSON_HEDLEY_NO_THROW __declspec(nothrow) -#else - #define JSON_HEDLEY_NO_THROW -#endif - -#if defined(JSON_HEDLEY_FALL_THROUGH) - #undef JSON_HEDLEY_FALL_THROUGH -#endif -#if \ - JSON_HEDLEY_HAS_ATTRIBUTE(fallthrough) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(7,0,0) - #define JSON_HEDLEY_FALL_THROUGH __attribute__((__fallthrough__)) -#elif JSON_HEDLEY_HAS_CPP_ATTRIBUTE_NS(clang,fallthrough) - #define JSON_HEDLEY_FALL_THROUGH JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[clang::fallthrough]]) -#elif JSON_HEDLEY_HAS_CPP_ATTRIBUTE(fallthrough) - #define JSON_HEDLEY_FALL_THROUGH JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[fallthrough]]) -#elif defined(__fallthrough) /* SAL */ - #define JSON_HEDLEY_FALL_THROUGH __fallthrough -#else - #define JSON_HEDLEY_FALL_THROUGH -#endif - -#if defined(JSON_HEDLEY_RETURNS_NON_NULL) - #undef JSON_HEDLEY_RETURNS_NON_NULL -#endif -#if \ - JSON_HEDLEY_HAS_ATTRIBUTE(returns_nonnull) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(4,9,0) - #define JSON_HEDLEY_RETURNS_NON_NULL __attribute__((__returns_nonnull__)) -#elif defined(_Ret_notnull_) /* SAL */ - #define JSON_HEDLEY_RETURNS_NON_NULL _Ret_notnull_ -#else - #define JSON_HEDLEY_RETURNS_NON_NULL -#endif - -#if defined(JSON_HEDLEY_ARRAY_PARAM) - #undef JSON_HEDLEY_ARRAY_PARAM -#endif -#if \ - defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) && \ - !defined(__STDC_NO_VLA__) && \ - !defined(__cplusplus) && \ - !defined(JSON_HEDLEY_PGI_VERSION) && \ - !defined(JSON_HEDLEY_TINYC_VERSION) - #define JSON_HEDLEY_ARRAY_PARAM(name) (name) -#else - #define JSON_HEDLEY_ARRAY_PARAM(name) -#endif - -#if defined(JSON_HEDLEY_IS_CONSTANT) - #undef JSON_HEDLEY_IS_CONSTANT -#endif -#if defined(JSON_HEDLEY_REQUIRE_CONSTEXPR) - #undef JSON_HEDLEY_REQUIRE_CONSTEXPR -#endif -/* JSON_HEDLEY_IS_CONSTEXPR_ is for - HEDLEY INTERNAL USE ONLY. API subject to change without notice. */ -#if defined(JSON_HEDLEY_IS_CONSTEXPR_) - #undef JSON_HEDLEY_IS_CONSTEXPR_ -#endif -#if \ - JSON_HEDLEY_HAS_BUILTIN(__builtin_constant_p) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(3,4,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_TINYC_VERSION_CHECK(0,9,19) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(13,1,0) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(6,1,0) || \ - (JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,10,0) && !defined(__cplusplus)) || \ - JSON_HEDLEY_CRAY_VERSION_CHECK(8,1,0) - #define JSON_HEDLEY_IS_CONSTANT(expr) __builtin_constant_p(expr) -#endif -#if !defined(__cplusplus) -# if \ - JSON_HEDLEY_HAS_BUILTIN(__builtin_types_compatible_p) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(3,4,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(13,1,0) || \ - JSON_HEDLEY_CRAY_VERSION_CHECK(8,1,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(5,4,0) || \ - JSON_HEDLEY_TINYC_VERSION_CHECK(0,9,24) -#if defined(__INTPTR_TYPE__) - #define JSON_HEDLEY_IS_CONSTEXPR_(expr) __builtin_types_compatible_p(__typeof__((1 ? (void*) ((__INTPTR_TYPE__) ((expr) * 0)) : (int*) 0)), int*) -#else - #include - #define JSON_HEDLEY_IS_CONSTEXPR_(expr) __builtin_types_compatible_p(__typeof__((1 ? (void*) ((intptr_t) ((expr) * 0)) : (int*) 0)), int*) -#endif -# elif \ - ( \ - defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L) && \ - !defined(JSON_HEDLEY_SUNPRO_VERSION) && \ - !defined(JSON_HEDLEY_PGI_VERSION) && \ - !defined(JSON_HEDLEY_IAR_VERSION)) || \ - JSON_HEDLEY_HAS_EXTENSION(c_generic_selections) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(4,9,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(17,0,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(12,1,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(5,3,0) -#if defined(__INTPTR_TYPE__) - #define JSON_HEDLEY_IS_CONSTEXPR_(expr) _Generic((1 ? (void*) ((__INTPTR_TYPE__) ((expr) * 0)) : (int*) 0), int*: 1, void*: 0) -#else - #include - #define JSON_HEDLEY_IS_CONSTEXPR_(expr) _Generic((1 ? (void*) ((intptr_t) * 0) : (int*) 0), int*: 1, void*: 0) -#endif -# elif \ - defined(JSON_HEDLEY_GCC_VERSION) || \ - defined(JSON_HEDLEY_INTEL_VERSION) || \ - defined(JSON_HEDLEY_TINYC_VERSION) || \ - defined(JSON_HEDLEY_TI_ARMCL_VERSION) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(18,12,0) || \ - defined(JSON_HEDLEY_TI_CL2000_VERSION) || \ - defined(JSON_HEDLEY_TI_CL6X_VERSION) || \ - defined(JSON_HEDLEY_TI_CL7X_VERSION) || \ - defined(JSON_HEDLEY_TI_CLPRU_VERSION) || \ - defined(__clang__) -# define JSON_HEDLEY_IS_CONSTEXPR_(expr) ( \ - sizeof(void) != \ - sizeof(*( \ - 1 ? \ - ((void*) ((expr) * 0L) ) : \ -((struct { char v[sizeof(void) * 2]; } *) 1) \ - ) \ - ) \ - ) -# endif -#endif -#if defined(JSON_HEDLEY_IS_CONSTEXPR_) - #if !defined(JSON_HEDLEY_IS_CONSTANT) - #define JSON_HEDLEY_IS_CONSTANT(expr) JSON_HEDLEY_IS_CONSTEXPR_(expr) - #endif - #define JSON_HEDLEY_REQUIRE_CONSTEXPR(expr) (JSON_HEDLEY_IS_CONSTEXPR_(expr) ? (expr) : (-1)) -#else - #if !defined(JSON_HEDLEY_IS_CONSTANT) - #define JSON_HEDLEY_IS_CONSTANT(expr) (0) - #endif - #define JSON_HEDLEY_REQUIRE_CONSTEXPR(expr) (expr) -#endif - -#if defined(JSON_HEDLEY_BEGIN_C_DECLS) - #undef JSON_HEDLEY_BEGIN_C_DECLS -#endif -#if defined(JSON_HEDLEY_END_C_DECLS) - #undef JSON_HEDLEY_END_C_DECLS -#endif -#if defined(JSON_HEDLEY_C_DECL) - #undef JSON_HEDLEY_C_DECL -#endif -#if defined(__cplusplus) - #define JSON_HEDLEY_BEGIN_C_DECLS extern "C" { - #define JSON_HEDLEY_END_C_DECLS } - #define JSON_HEDLEY_C_DECL extern "C" -#else - #define JSON_HEDLEY_BEGIN_C_DECLS - #define JSON_HEDLEY_END_C_DECLS - #define JSON_HEDLEY_C_DECL -#endif - -#if defined(JSON_HEDLEY_STATIC_ASSERT) - #undef JSON_HEDLEY_STATIC_ASSERT -#endif -#if \ - !defined(__cplusplus) && ( \ - (defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L)) || \ - JSON_HEDLEY_HAS_FEATURE(c_static_assert) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(6,0,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - defined(_Static_assert) \ - ) -# define JSON_HEDLEY_STATIC_ASSERT(expr, message) _Static_assert(expr, message) -#elif \ - (defined(__cplusplus) && (__cplusplus >= 201103L)) || \ - JSON_HEDLEY_MSVC_VERSION_CHECK(16,0,0) -# define JSON_HEDLEY_STATIC_ASSERT(expr, message) JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_(static_assert(expr, message)) -#else -# define JSON_HEDLEY_STATIC_ASSERT(expr, message) -#endif - -#if defined(JSON_HEDLEY_NULL) - #undef JSON_HEDLEY_NULL -#endif -#if defined(__cplusplus) - #if __cplusplus >= 201103L - #define JSON_HEDLEY_NULL JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_(nullptr) - #elif defined(NULL) - #define JSON_HEDLEY_NULL NULL - #else - #define JSON_HEDLEY_NULL JSON_HEDLEY_STATIC_CAST(void*, 0) - #endif -#elif defined(NULL) - #define JSON_HEDLEY_NULL NULL -#else - #define JSON_HEDLEY_NULL ((void*) 0) -#endif - -#if defined(JSON_HEDLEY_MESSAGE) - #undef JSON_HEDLEY_MESSAGE -#endif -#if JSON_HEDLEY_HAS_WARNING("-Wunknown-pragmas") -# define JSON_HEDLEY_MESSAGE(msg) \ - JSON_HEDLEY_DIAGNOSTIC_PUSH \ - JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS \ - JSON_HEDLEY_PRAGMA(message msg) \ - JSON_HEDLEY_DIAGNOSTIC_POP -#elif \ - JSON_HEDLEY_GCC_VERSION_CHECK(4,4,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) -# define JSON_HEDLEY_MESSAGE(msg) JSON_HEDLEY_PRAGMA(message msg) -#elif JSON_HEDLEY_CRAY_VERSION_CHECK(5,0,0) -# define JSON_HEDLEY_MESSAGE(msg) JSON_HEDLEY_PRAGMA(_CRI message msg) -#elif JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) -# define JSON_HEDLEY_MESSAGE(msg) JSON_HEDLEY_PRAGMA(message(msg)) -#elif JSON_HEDLEY_PELLES_VERSION_CHECK(2,0,0) -# define JSON_HEDLEY_MESSAGE(msg) JSON_HEDLEY_PRAGMA(message(msg)) -#else -# define JSON_HEDLEY_MESSAGE(msg) -#endif - -#if defined(JSON_HEDLEY_WARNING) - #undef JSON_HEDLEY_WARNING -#endif -#if JSON_HEDLEY_HAS_WARNING("-Wunknown-pragmas") -# define JSON_HEDLEY_WARNING(msg) \ - JSON_HEDLEY_DIAGNOSTIC_PUSH \ - JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS \ - JSON_HEDLEY_PRAGMA(clang warning msg) \ - JSON_HEDLEY_DIAGNOSTIC_POP -#elif \ - JSON_HEDLEY_GCC_VERSION_CHECK(4,8,0) || \ - JSON_HEDLEY_PGI_VERSION_CHECK(18,4,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) -# define JSON_HEDLEY_WARNING(msg) JSON_HEDLEY_PRAGMA(GCC warning msg) -#elif JSON_HEDLEY_MSVC_VERSION_CHECK(15,0,0) -# define JSON_HEDLEY_WARNING(msg) JSON_HEDLEY_PRAGMA(message(msg)) -#else -# define JSON_HEDLEY_WARNING(msg) JSON_HEDLEY_MESSAGE(msg) -#endif - -#if defined(JSON_HEDLEY_REQUIRE) - #undef JSON_HEDLEY_REQUIRE -#endif -#if defined(JSON_HEDLEY_REQUIRE_MSG) - #undef JSON_HEDLEY_REQUIRE_MSG -#endif -#if JSON_HEDLEY_HAS_ATTRIBUTE(diagnose_if) -# if JSON_HEDLEY_HAS_WARNING("-Wgcc-compat") -# define JSON_HEDLEY_REQUIRE(expr) \ - JSON_HEDLEY_DIAGNOSTIC_PUSH \ - _Pragma("clang diagnostic ignored \"-Wgcc-compat\"") \ - __attribute__((diagnose_if(!(expr), #expr, "error"))) \ - JSON_HEDLEY_DIAGNOSTIC_POP -# define JSON_HEDLEY_REQUIRE_MSG(expr,msg) \ - JSON_HEDLEY_DIAGNOSTIC_PUSH \ - _Pragma("clang diagnostic ignored \"-Wgcc-compat\"") \ - __attribute__((diagnose_if(!(expr), msg, "error"))) \ - JSON_HEDLEY_DIAGNOSTIC_POP -# else -# define JSON_HEDLEY_REQUIRE(expr) __attribute__((diagnose_if(!(expr), #expr, "error"))) -# define JSON_HEDLEY_REQUIRE_MSG(expr,msg) __attribute__((diagnose_if(!(expr), msg, "error"))) -# endif -#else -# define JSON_HEDLEY_REQUIRE(expr) -# define JSON_HEDLEY_REQUIRE_MSG(expr,msg) -#endif - -#if defined(JSON_HEDLEY_FLAGS) - #undef JSON_HEDLEY_FLAGS -#endif -#if JSON_HEDLEY_HAS_ATTRIBUTE(flag_enum) - #define JSON_HEDLEY_FLAGS __attribute__((__flag_enum__)) -#endif - -#if defined(JSON_HEDLEY_FLAGS_CAST) - #undef JSON_HEDLEY_FLAGS_CAST -#endif -#if JSON_HEDLEY_INTEL_VERSION_CHECK(19,0,0) -# define JSON_HEDLEY_FLAGS_CAST(T, expr) (__extension__ ({ \ - JSON_HEDLEY_DIAGNOSTIC_PUSH \ - _Pragma("warning(disable:188)") \ - ((T) (expr)); \ - JSON_HEDLEY_DIAGNOSTIC_POP \ - })) -#else -# define JSON_HEDLEY_FLAGS_CAST(T, expr) JSON_HEDLEY_STATIC_CAST(T, expr) -#endif - -#if defined(JSON_HEDLEY_EMPTY_BASES) - #undef JSON_HEDLEY_EMPTY_BASES -#endif -#if JSON_HEDLEY_MSVC_VERSION_CHECK(19,0,23918) && !JSON_HEDLEY_MSVC_VERSION_CHECK(20,0,0) - #define JSON_HEDLEY_EMPTY_BASES __declspec(empty_bases) -#else - #define JSON_HEDLEY_EMPTY_BASES -#endif - -/* Remaining macros are deprecated. */ - -#if defined(JSON_HEDLEY_GCC_NOT_CLANG_VERSION_CHECK) - #undef JSON_HEDLEY_GCC_NOT_CLANG_VERSION_CHECK -#endif -#if defined(__clang__) - #define JSON_HEDLEY_GCC_NOT_CLANG_VERSION_CHECK(major,minor,patch) (0) -#else - #define JSON_HEDLEY_GCC_NOT_CLANG_VERSION_CHECK(major,minor,patch) JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_CLANG_HAS_ATTRIBUTE) - #undef JSON_HEDLEY_CLANG_HAS_ATTRIBUTE -#endif -#define JSON_HEDLEY_CLANG_HAS_ATTRIBUTE(attribute) JSON_HEDLEY_HAS_ATTRIBUTE(attribute) - -#if defined(JSON_HEDLEY_CLANG_HAS_CPP_ATTRIBUTE) - #undef JSON_HEDLEY_CLANG_HAS_CPP_ATTRIBUTE -#endif -#define JSON_HEDLEY_CLANG_HAS_CPP_ATTRIBUTE(attribute) JSON_HEDLEY_HAS_CPP_ATTRIBUTE(attribute) - -#if defined(JSON_HEDLEY_CLANG_HAS_BUILTIN) - #undef JSON_HEDLEY_CLANG_HAS_BUILTIN -#endif -#define JSON_HEDLEY_CLANG_HAS_BUILTIN(builtin) JSON_HEDLEY_HAS_BUILTIN(builtin) - -#if defined(JSON_HEDLEY_CLANG_HAS_FEATURE) - #undef JSON_HEDLEY_CLANG_HAS_FEATURE -#endif -#define JSON_HEDLEY_CLANG_HAS_FEATURE(feature) JSON_HEDLEY_HAS_FEATURE(feature) - -#if defined(JSON_HEDLEY_CLANG_HAS_EXTENSION) - #undef JSON_HEDLEY_CLANG_HAS_EXTENSION -#endif -#define JSON_HEDLEY_CLANG_HAS_EXTENSION(extension) JSON_HEDLEY_HAS_EXTENSION(extension) - -#if defined(JSON_HEDLEY_CLANG_HAS_DECLSPEC_DECLSPEC_ATTRIBUTE) - #undef JSON_HEDLEY_CLANG_HAS_DECLSPEC_DECLSPEC_ATTRIBUTE -#endif -#define JSON_HEDLEY_CLANG_HAS_DECLSPEC_ATTRIBUTE(attribute) JSON_HEDLEY_HAS_DECLSPEC_ATTRIBUTE(attribute) - -#if defined(JSON_HEDLEY_CLANG_HAS_WARNING) - #undef JSON_HEDLEY_CLANG_HAS_WARNING -#endif -#define JSON_HEDLEY_CLANG_HAS_WARNING(warning) JSON_HEDLEY_HAS_WARNING(warning) - -#endif /* !defined(JSON_HEDLEY_VERSION) || (JSON_HEDLEY_VERSION < X) */ - - -// This file contains all internal macro definitions -// You MUST include macro_unscope.hpp at the end of json.hpp to undef all of them - -// exclude unsupported compilers -#if !defined(JSON_SKIP_UNSUPPORTED_COMPILER_CHECK) - #if defined(__clang__) - #if (__clang_major__ * 10000 + __clang_minor__ * 100 + __clang_patchlevel__) < 30400 - #error "unsupported Clang version - see https://github.com/nlohmann/json#supported-compilers" - #endif - #elif defined(__GNUC__) && !(defined(__ICC) || defined(__INTEL_COMPILER)) - #if (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__) < 40800 - #error "unsupported GCC version - see https://github.com/nlohmann/json#supported-compilers" - #endif - #endif -#endif - -// C++ language standard detection -#if (defined(__cplusplus) && __cplusplus >= 202002L) || (defined(_MSVC_LANG) && _MSVC_LANG >= 202002L) - #define JSON_HAS_CPP_20 - #define JSON_HAS_CPP_17 - #define JSON_HAS_CPP_14 -#elif (defined(__cplusplus) && __cplusplus >= 201703L) || (defined(_HAS_CXX17) && _HAS_CXX17 == 1) // fix for issue #464 - #define JSON_HAS_CPP_17 - #define JSON_HAS_CPP_14 -#elif (defined(__cplusplus) && __cplusplus >= 201402L) || (defined(_HAS_CXX14) && _HAS_CXX14 == 1) - #define JSON_HAS_CPP_14 -#endif - -// disable float-equal warnings on GCC/clang -#if defined(__clang__) || defined(__GNUC__) || defined(__GNUG__) - #pragma GCC diagnostic push - #pragma GCC diagnostic ignored "-Wfloat-equal" -#endif - -// disable documentation warnings on clang -#if defined(__clang__) - #pragma GCC diagnostic push - #pragma GCC diagnostic ignored "-Wdocumentation" -#endif - -// allow to disable exceptions -#if (defined(__cpp_exceptions) || defined(__EXCEPTIONS) || defined(_CPPUNWIND)) && !defined(JSON_NOEXCEPTION) - #define JSON_THROW(exception) throw exception - #define JSON_TRY try - #define JSON_CATCH(exception) catch(exception) - #define JSON_INTERNAL_CATCH(exception) catch(exception) -#else - #include - #define JSON_THROW(exception) std::abort() - #define JSON_TRY if(true) - #define JSON_CATCH(exception) if(false) - #define JSON_INTERNAL_CATCH(exception) if(false) -#endif - -// override exception macros -#if defined(JSON_THROW_USER) - #undef JSON_THROW - #define JSON_THROW JSON_THROW_USER -#endif -#if defined(JSON_TRY_USER) - #undef JSON_TRY - #define JSON_TRY JSON_TRY_USER -#endif -#if defined(JSON_CATCH_USER) - #undef JSON_CATCH - #define JSON_CATCH JSON_CATCH_USER - #undef JSON_INTERNAL_CATCH - #define JSON_INTERNAL_CATCH JSON_CATCH_USER -#endif -#if defined(JSON_INTERNAL_CATCH_USER) - #undef JSON_INTERNAL_CATCH - #define JSON_INTERNAL_CATCH JSON_INTERNAL_CATCH_USER -#endif - -// allow to override assert -#if !defined(JSON_ASSERT) - #include // assert - #define JSON_ASSERT(x) assert(x) -#endif - -/*! -@brief macro to briefly define a mapping between an enum and JSON -@def NLOHMANN_JSON_SERIALIZE_ENUM -@since version 3.4.0 -*/ -#define NLOHMANN_JSON_SERIALIZE_ENUM(ENUM_TYPE, ...) \ - template \ - inline void to_json(BasicJsonType& j, const ENUM_TYPE& e) \ - { \ - static_assert(std::is_enum::value, #ENUM_TYPE " must be an enum!"); \ - static const std::pair m[] = __VA_ARGS__; \ - auto it = std::find_if(std::begin(m), std::end(m), \ - [e](const std::pair& ej_pair) -> bool \ - { \ - return ej_pair.first == e; \ - }); \ - j = ((it != std::end(m)) ? it : std::begin(m))->second; \ - } \ - template \ - inline void from_json(const BasicJsonType& j, ENUM_TYPE& e) \ - { \ - static_assert(std::is_enum::value, #ENUM_TYPE " must be an enum!"); \ - static const std::pair m[] = __VA_ARGS__; \ - auto it = std::find_if(std::begin(m), std::end(m), \ - [&j](const std::pair& ej_pair) -> bool \ - { \ - return ej_pair.second == j; \ - }); \ - e = ((it != std::end(m)) ? it : std::begin(m))->first; \ - } - -// Ugly macros to avoid uglier copy-paste when specializing basic_json. They -// may be removed in the future once the class is split. - -#define NLOHMANN_BASIC_JSON_TPL_DECLARATION \ - template class ObjectType, \ - template class ArrayType, \ - class StringType, class BooleanType, class NumberIntegerType, \ - class NumberUnsignedType, class NumberFloatType, \ - template class AllocatorType, \ - template class JSONSerializer, \ - class BinaryType> - -#define NLOHMANN_BASIC_JSON_TPL \ - basic_json - -// Macros to simplify conversion from/to types - -#define NLOHMANN_JSON_EXPAND( x ) x -#define NLOHMANN_JSON_GET_MACRO(_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44, _45, _46, _47, _48, _49, _50, _51, _52, _53, _54, _55, _56, _57, _58, _59, _60, _61, _62, _63, _64, NAME,...) NAME -#define NLOHMANN_JSON_PASTE(...) NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_GET_MACRO(__VA_ARGS__, \ - NLOHMANN_JSON_PASTE64, \ - NLOHMANN_JSON_PASTE63, \ - NLOHMANN_JSON_PASTE62, \ - NLOHMANN_JSON_PASTE61, \ - NLOHMANN_JSON_PASTE60, \ - NLOHMANN_JSON_PASTE59, \ - NLOHMANN_JSON_PASTE58, \ - NLOHMANN_JSON_PASTE57, \ - NLOHMANN_JSON_PASTE56, \ - NLOHMANN_JSON_PASTE55, \ - NLOHMANN_JSON_PASTE54, \ - NLOHMANN_JSON_PASTE53, \ - NLOHMANN_JSON_PASTE52, \ - NLOHMANN_JSON_PASTE51, \ - NLOHMANN_JSON_PASTE50, \ - NLOHMANN_JSON_PASTE49, \ - NLOHMANN_JSON_PASTE48, \ - NLOHMANN_JSON_PASTE47, \ - NLOHMANN_JSON_PASTE46, \ - NLOHMANN_JSON_PASTE45, \ - NLOHMANN_JSON_PASTE44, \ - NLOHMANN_JSON_PASTE43, \ - NLOHMANN_JSON_PASTE42, \ - NLOHMANN_JSON_PASTE41, \ - NLOHMANN_JSON_PASTE40, \ - NLOHMANN_JSON_PASTE39, \ - NLOHMANN_JSON_PASTE38, \ - NLOHMANN_JSON_PASTE37, \ - NLOHMANN_JSON_PASTE36, \ - NLOHMANN_JSON_PASTE35, \ - NLOHMANN_JSON_PASTE34, \ - NLOHMANN_JSON_PASTE33, \ - NLOHMANN_JSON_PASTE32, \ - NLOHMANN_JSON_PASTE31, \ - NLOHMANN_JSON_PASTE30, \ - NLOHMANN_JSON_PASTE29, \ - NLOHMANN_JSON_PASTE28, \ - NLOHMANN_JSON_PASTE27, \ - NLOHMANN_JSON_PASTE26, \ - NLOHMANN_JSON_PASTE25, \ - NLOHMANN_JSON_PASTE24, \ - NLOHMANN_JSON_PASTE23, \ - NLOHMANN_JSON_PASTE22, \ - NLOHMANN_JSON_PASTE21, \ - NLOHMANN_JSON_PASTE20, \ - NLOHMANN_JSON_PASTE19, \ - NLOHMANN_JSON_PASTE18, \ - NLOHMANN_JSON_PASTE17, \ - NLOHMANN_JSON_PASTE16, \ - NLOHMANN_JSON_PASTE15, \ - NLOHMANN_JSON_PASTE14, \ - NLOHMANN_JSON_PASTE13, \ - NLOHMANN_JSON_PASTE12, \ - NLOHMANN_JSON_PASTE11, \ - NLOHMANN_JSON_PASTE10, \ - NLOHMANN_JSON_PASTE9, \ - NLOHMANN_JSON_PASTE8, \ - NLOHMANN_JSON_PASTE7, \ - NLOHMANN_JSON_PASTE6, \ - NLOHMANN_JSON_PASTE5, \ - NLOHMANN_JSON_PASTE4, \ - NLOHMANN_JSON_PASTE3, \ - NLOHMANN_JSON_PASTE2, \ - NLOHMANN_JSON_PASTE1)(__VA_ARGS__)) -#define NLOHMANN_JSON_PASTE2(func, v1) func(v1) -#define NLOHMANN_JSON_PASTE3(func, v1, v2) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE2(func, v2) -#define NLOHMANN_JSON_PASTE4(func, v1, v2, v3) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE3(func, v2, v3) -#define NLOHMANN_JSON_PASTE5(func, v1, v2, v3, v4) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE4(func, v2, v3, v4) -#define NLOHMANN_JSON_PASTE6(func, v1, v2, v3, v4, v5) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE5(func, v2, v3, v4, v5) -#define NLOHMANN_JSON_PASTE7(func, v1, v2, v3, v4, v5, v6) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE6(func, v2, v3, v4, v5, v6) -#define NLOHMANN_JSON_PASTE8(func, v1, v2, v3, v4, v5, v6, v7) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE7(func, v2, v3, v4, v5, v6, v7) -#define NLOHMANN_JSON_PASTE9(func, v1, v2, v3, v4, v5, v6, v7, v8) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE8(func, v2, v3, v4, v5, v6, v7, v8) -#define NLOHMANN_JSON_PASTE10(func, v1, v2, v3, v4, v5, v6, v7, v8, v9) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE9(func, v2, v3, v4, v5, v6, v7, v8, v9) -#define NLOHMANN_JSON_PASTE11(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE10(func, v2, v3, v4, v5, v6, v7, v8, v9, v10) -#define NLOHMANN_JSON_PASTE12(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE11(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11) -#define NLOHMANN_JSON_PASTE13(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE12(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12) -#define NLOHMANN_JSON_PASTE14(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE13(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13) -#define NLOHMANN_JSON_PASTE15(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE14(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14) -#define NLOHMANN_JSON_PASTE16(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE15(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15) -#define NLOHMANN_JSON_PASTE17(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE16(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16) -#define NLOHMANN_JSON_PASTE18(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE17(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17) -#define NLOHMANN_JSON_PASTE19(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE18(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18) -#define NLOHMANN_JSON_PASTE20(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE19(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19) -#define NLOHMANN_JSON_PASTE21(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE20(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20) -#define NLOHMANN_JSON_PASTE22(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE21(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21) -#define NLOHMANN_JSON_PASTE23(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE22(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22) -#define NLOHMANN_JSON_PASTE24(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE23(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23) -#define NLOHMANN_JSON_PASTE25(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE24(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24) -#define NLOHMANN_JSON_PASTE26(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE25(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25) -#define NLOHMANN_JSON_PASTE27(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE26(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26) -#define NLOHMANN_JSON_PASTE28(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE27(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27) -#define NLOHMANN_JSON_PASTE29(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE28(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28) -#define NLOHMANN_JSON_PASTE30(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE29(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29) -#define NLOHMANN_JSON_PASTE31(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE30(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30) -#define NLOHMANN_JSON_PASTE32(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE31(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31) -#define NLOHMANN_JSON_PASTE33(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE32(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32) -#define NLOHMANN_JSON_PASTE34(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE33(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33) -#define NLOHMANN_JSON_PASTE35(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE34(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34) -#define NLOHMANN_JSON_PASTE36(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE35(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35) -#define NLOHMANN_JSON_PASTE37(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE36(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36) -#define NLOHMANN_JSON_PASTE38(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE37(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37) -#define NLOHMANN_JSON_PASTE39(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE38(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38) -#define NLOHMANN_JSON_PASTE40(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE39(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39) -#define NLOHMANN_JSON_PASTE41(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE40(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40) -#define NLOHMANN_JSON_PASTE42(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE41(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41) -#define NLOHMANN_JSON_PASTE43(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE42(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42) -#define NLOHMANN_JSON_PASTE44(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE43(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43) -#define NLOHMANN_JSON_PASTE45(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE44(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44) -#define NLOHMANN_JSON_PASTE46(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE45(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45) -#define NLOHMANN_JSON_PASTE47(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE46(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46) -#define NLOHMANN_JSON_PASTE48(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE47(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47) -#define NLOHMANN_JSON_PASTE49(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE48(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48) -#define NLOHMANN_JSON_PASTE50(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE49(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49) -#define NLOHMANN_JSON_PASTE51(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE50(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50) -#define NLOHMANN_JSON_PASTE52(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE51(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51) -#define NLOHMANN_JSON_PASTE53(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE52(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52) -#define NLOHMANN_JSON_PASTE54(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE53(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53) -#define NLOHMANN_JSON_PASTE55(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE54(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54) -#define NLOHMANN_JSON_PASTE56(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE55(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55) -#define NLOHMANN_JSON_PASTE57(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE56(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56) -#define NLOHMANN_JSON_PASTE58(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE57(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57) -#define NLOHMANN_JSON_PASTE59(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE58(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58) -#define NLOHMANN_JSON_PASTE60(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE59(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59) -#define NLOHMANN_JSON_PASTE61(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59, v60) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE60(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59, v60) -#define NLOHMANN_JSON_PASTE62(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59, v60, v61) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE61(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59, v60, v61) -#define NLOHMANN_JSON_PASTE63(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59, v60, v61, v62) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE62(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59, v60, v61, v62) -#define NLOHMANN_JSON_PASTE64(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59, v60, v61, v62, v63) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE63(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59, v60, v61, v62, v63) - -#define NLOHMANN_JSON_TO(v1) nlohmann_json_j[#v1] = nlohmann_json_t.v1; -#define NLOHMANN_JSON_FROM(v1) nlohmann_json_j.at(#v1).get_to(nlohmann_json_t.v1); - -/*! -@brief macro -@def NLOHMANN_DEFINE_TYPE_INTRUSIVE -@since version 3.9.0 -*/ -#define NLOHMANN_DEFINE_TYPE_INTRUSIVE(Type, ...) \ - friend void to_json(nlohmann::json& nlohmann_json_j, const Type& nlohmann_json_t) { NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_TO, __VA_ARGS__)) } \ - friend void from_json(const nlohmann::json& nlohmann_json_j, Type& nlohmann_json_t) { NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_FROM, __VA_ARGS__)) } - -/*! -@brief macro -@def NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE -@since version 3.9.0 -*/ -#define NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(Type, ...) \ - inline void to_json(nlohmann::json& nlohmann_json_j, const Type& nlohmann_json_t) { NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_TO, __VA_ARGS__)) } \ - inline void from_json(const nlohmann::json& nlohmann_json_j, Type& nlohmann_json_t) { NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_FROM, __VA_ARGS__)) } - -#ifndef JSON_USE_IMPLICIT_CONVERSIONS - #define JSON_USE_IMPLICIT_CONVERSIONS 1 -#endif - -#if JSON_USE_IMPLICIT_CONVERSIONS - #define JSON_EXPLICIT -#else - #define JSON_EXPLICIT explicit -#endif - - -namespace nlohmann -{ -namespace detail -{ -//////////////// -// exceptions // -//////////////// - -/*! -@brief general exception of the @ref basic_json class - -This class is an extension of `std::exception` objects with a member @a id for -exception ids. It is used as the base class for all exceptions thrown by the -@ref basic_json class. This class can hence be used as "wildcard" to catch -exceptions. - -Subclasses: -- @ref parse_error for exceptions indicating a parse error -- @ref invalid_iterator for exceptions indicating errors with iterators -- @ref type_error for exceptions indicating executing a member function with - a wrong type -- @ref out_of_range for exceptions indicating access out of the defined range -- @ref other_error for exceptions indicating other library errors - -@internal -@note To have nothrow-copy-constructible exceptions, we internally use - `std::runtime_error` which can cope with arbitrary-length error messages. - Intermediate strings are built with static functions and then passed to - the actual constructor. -@endinternal - -@liveexample{The following code shows how arbitrary library exceptions can be -caught.,exception} - -@since version 3.0.0 -*/ -class exception : public std::exception -{ - public: - /// returns the explanatory string - JSON_HEDLEY_RETURNS_NON_NULL - const char* what() const noexcept override - { - return m.what(); - } - - /// the id of the exception - const int id; - - protected: - JSON_HEDLEY_NON_NULL(3) - exception(int id_, const char* what_arg) : id(id_), m(what_arg) {} - - static std::string name(const std::string& ename, int id_) - { - return "[json.exception." + ename + "." + std::to_string(id_) + "] "; - } - - private: - /// an exception object as storage for error messages - std::runtime_error m; -}; - -/*! -@brief exception indicating a parse error - -This exception is thrown by the library when a parse error occurs. Parse errors -can occur during the deserialization of JSON text, CBOR, MessagePack, as well -as when using JSON Patch. - -Member @a byte holds the byte index of the last read character in the input -file. - -Exceptions have ids 1xx. - -name / id | example message | description ------------------------------- | --------------- | ------------------------- -json.exception.parse_error.101 | parse error at 2: unexpected end of input; expected string literal | This error indicates a syntax error while deserializing a JSON text. The error message describes that an unexpected token (character) was encountered, and the member @a byte indicates the error position. -json.exception.parse_error.102 | parse error at 14: missing or wrong low surrogate | JSON uses the `\uxxxx` format to describe Unicode characters. Code points above above 0xFFFF are split into two `\uxxxx` entries ("surrogate pairs"). This error indicates that the surrogate pair is incomplete or contains an invalid code point. -json.exception.parse_error.103 | parse error: code points above 0x10FFFF are invalid | Unicode supports code points up to 0x10FFFF. Code points above 0x10FFFF are invalid. -json.exception.parse_error.104 | parse error: JSON patch must be an array of objects | [RFC 6902](https://tools.ietf.org/html/rfc6902) requires a JSON Patch document to be a JSON document that represents an array of objects. -json.exception.parse_error.105 | parse error: operation must have string member 'op' | An operation of a JSON Patch document must contain exactly one "op" member, whose value indicates the operation to perform. Its value must be one of "add", "remove", "replace", "move", "copy", or "test"; other values are errors. -json.exception.parse_error.106 | parse error: array index '01' must not begin with '0' | An array index in a JSON Pointer ([RFC 6901](https://tools.ietf.org/html/rfc6901)) may be `0` or any number without a leading `0`. -json.exception.parse_error.107 | parse error: JSON pointer must be empty or begin with '/' - was: 'foo' | A JSON Pointer must be a Unicode string containing a sequence of zero or more reference tokens, each prefixed by a `/` character. -json.exception.parse_error.108 | parse error: escape character '~' must be followed with '0' or '1' | In a JSON Pointer, only `~0` and `~1` are valid escape sequences. -json.exception.parse_error.109 | parse error: array index 'one' is not a number | A JSON Pointer array index must be a number. -json.exception.parse_error.110 | parse error at 1: cannot read 2 bytes from vector | When parsing CBOR or MessagePack, the byte vector ends before the complete value has been read. -json.exception.parse_error.112 | parse error at 1: error reading CBOR; last byte: 0xF8 | Not all types of CBOR or MessagePack are supported. This exception occurs if an unsupported byte was read. -json.exception.parse_error.113 | parse error at 2: expected a CBOR string; last byte: 0x98 | While parsing a map key, a value that is not a string has been read. -json.exception.parse_error.114 | parse error: Unsupported BSON record type 0x0F | The parsing of the corresponding BSON record type is not implemented (yet). -json.exception.parse_error.115 | parse error at byte 5: syntax error while parsing UBJSON high-precision number: invalid number text: 1A | A UBJSON high-precision number could not be parsed. - -@note For an input with n bytes, 1 is the index of the first character and n+1 - is the index of the terminating null byte or the end of file. This also - holds true when reading a byte vector (CBOR or MessagePack). - -@liveexample{The following code shows how a `parse_error` exception can be -caught.,parse_error} - -@sa - @ref exception for the base class of the library exceptions -@sa - @ref invalid_iterator for exceptions indicating errors with iterators -@sa - @ref type_error for exceptions indicating executing a member function with - a wrong type -@sa - @ref out_of_range for exceptions indicating access out of the defined range -@sa - @ref other_error for exceptions indicating other library errors - -@since version 3.0.0 -*/ -class parse_error : public exception -{ - public: - /*! - @brief create a parse error exception - @param[in] id_ the id of the exception - @param[in] pos the position where the error occurred (or with - chars_read_total=0 if the position cannot be - determined) - @param[in] what_arg the explanatory string - @return parse_error object - */ - static parse_error create(int id_, const position_t& pos, const std::string& what_arg) - { - std::string w = exception::name("parse_error", id_) + "parse error" + - position_string(pos) + ": " + what_arg; - return parse_error(id_, pos.chars_read_total, w.c_str()); - } - - static parse_error create(int id_, std::size_t byte_, const std::string& what_arg) - { - std::string w = exception::name("parse_error", id_) + "parse error" + - (byte_ != 0 ? (" at byte " + std::to_string(byte_)) : "") + - ": " + what_arg; - return parse_error(id_, byte_, w.c_str()); - } - - /*! - @brief byte index of the parse error - - The byte index of the last read character in the input file. - - @note For an input with n bytes, 1 is the index of the first character and - n+1 is the index of the terminating null byte or the end of file. - This also holds true when reading a byte vector (CBOR or MessagePack). - */ - const std::size_t byte; - - private: - parse_error(int id_, std::size_t byte_, const char* what_arg) - : exception(id_, what_arg), byte(byte_) {} - - static std::string position_string(const position_t& pos) - { - return " at line " + std::to_string(pos.lines_read + 1) + - ", column " + std::to_string(pos.chars_read_current_line); - } -}; - -/*! -@brief exception indicating errors with iterators - -This exception is thrown if iterators passed to a library function do not match -the expected semantics. - -Exceptions have ids 2xx. - -name / id | example message | description ------------------------------------ | --------------- | ------------------------- -json.exception.invalid_iterator.201 | iterators are not compatible | The iterators passed to constructor @ref basic_json(InputIT first, InputIT last) are not compatible, meaning they do not belong to the same container. Therefore, the range (@a first, @a last) is invalid. -json.exception.invalid_iterator.202 | iterator does not fit current value | In an erase or insert function, the passed iterator @a pos does not belong to the JSON value for which the function was called. It hence does not define a valid position for the deletion/insertion. -json.exception.invalid_iterator.203 | iterators do not fit current value | Either iterator passed to function @ref erase(IteratorType first, IteratorType last) does not belong to the JSON value from which values shall be erased. It hence does not define a valid range to delete values from. -json.exception.invalid_iterator.204 | iterators out of range | When an iterator range for a primitive type (number, boolean, or string) is passed to a constructor or an erase function, this range has to be exactly (@ref begin(), @ref end()), because this is the only way the single stored value is expressed. All other ranges are invalid. -json.exception.invalid_iterator.205 | iterator out of range | When an iterator for a primitive type (number, boolean, or string) is passed to an erase function, the iterator has to be the @ref begin() iterator, because it is the only way to address the stored value. All other iterators are invalid. -json.exception.invalid_iterator.206 | cannot construct with iterators from null | The iterators passed to constructor @ref basic_json(InputIT first, InputIT last) belong to a JSON null value and hence to not define a valid range. -json.exception.invalid_iterator.207 | cannot use key() for non-object iterators | The key() member function can only be used on iterators belonging to a JSON object, because other types do not have a concept of a key. -json.exception.invalid_iterator.208 | cannot use operator[] for object iterators | The operator[] to specify a concrete offset cannot be used on iterators belonging to a JSON object, because JSON objects are unordered. -json.exception.invalid_iterator.209 | cannot use offsets with object iterators | The offset operators (+, -, +=, -=) cannot be used on iterators belonging to a JSON object, because JSON objects are unordered. -json.exception.invalid_iterator.210 | iterators do not fit | The iterator range passed to the insert function are not compatible, meaning they do not belong to the same container. Therefore, the range (@a first, @a last) is invalid. -json.exception.invalid_iterator.211 | passed iterators may not belong to container | The iterator range passed to the insert function must not be a subrange of the container to insert to. -json.exception.invalid_iterator.212 | cannot compare iterators of different containers | When two iterators are compared, they must belong to the same container. -json.exception.invalid_iterator.213 | cannot compare order of object iterators | The order of object iterators cannot be compared, because JSON objects are unordered. -json.exception.invalid_iterator.214 | cannot get value | Cannot get value for iterator: Either the iterator belongs to a null value or it is an iterator to a primitive type (number, boolean, or string), but the iterator is different to @ref begin(). - -@liveexample{The following code shows how an `invalid_iterator` exception can be -caught.,invalid_iterator} - -@sa - @ref exception for the base class of the library exceptions -@sa - @ref parse_error for exceptions indicating a parse error -@sa - @ref type_error for exceptions indicating executing a member function with - a wrong type -@sa - @ref out_of_range for exceptions indicating access out of the defined range -@sa - @ref other_error for exceptions indicating other library errors - -@since version 3.0.0 -*/ -class invalid_iterator : public exception -{ - public: - static invalid_iterator create(int id_, const std::string& what_arg) - { - std::string w = exception::name("invalid_iterator", id_) + what_arg; - return invalid_iterator(id_, w.c_str()); - } - - private: - JSON_HEDLEY_NON_NULL(3) - invalid_iterator(int id_, const char* what_arg) - : exception(id_, what_arg) {} -}; - -/*! -@brief exception indicating executing a member function with a wrong type - -This exception is thrown in case of a type error; that is, a library function is -executed on a JSON value whose type does not match the expected semantics. - -Exceptions have ids 3xx. - -name / id | example message | description ------------------------------ | --------------- | ------------------------- -json.exception.type_error.301 | cannot create object from initializer list | To create an object from an initializer list, the initializer list must consist only of a list of pairs whose first element is a string. When this constraint is violated, an array is created instead. -json.exception.type_error.302 | type must be object, but is array | During implicit or explicit value conversion, the JSON type must be compatible to the target type. For instance, a JSON string can only be converted into string types, but not into numbers or boolean types. -json.exception.type_error.303 | incompatible ReferenceType for get_ref, actual type is object | To retrieve a reference to a value stored in a @ref basic_json object with @ref get_ref, the type of the reference must match the value type. For instance, for a JSON array, the @a ReferenceType must be @ref array_t &. -json.exception.type_error.304 | cannot use at() with string | The @ref at() member functions can only be executed for certain JSON types. -json.exception.type_error.305 | cannot use operator[] with string | The @ref operator[] member functions can only be executed for certain JSON types. -json.exception.type_error.306 | cannot use value() with string | The @ref value() member functions can only be executed for certain JSON types. -json.exception.type_error.307 | cannot use erase() with string | The @ref erase() member functions can only be executed for certain JSON types. -json.exception.type_error.308 | cannot use push_back() with string | The @ref push_back() and @ref operator+= member functions can only be executed for certain JSON types. -json.exception.type_error.309 | cannot use insert() with | The @ref insert() member functions can only be executed for certain JSON types. -json.exception.type_error.310 | cannot use swap() with number | The @ref swap() member functions can only be executed for certain JSON types. -json.exception.type_error.311 | cannot use emplace_back() with string | The @ref emplace_back() member function can only be executed for certain JSON types. -json.exception.type_error.312 | cannot use update() with string | The @ref update() member functions can only be executed for certain JSON types. -json.exception.type_error.313 | invalid value to unflatten | The @ref unflatten function converts an object whose keys are JSON Pointers back into an arbitrary nested JSON value. The JSON Pointers must not overlap, because then the resulting value would not be well defined. -json.exception.type_error.314 | only objects can be unflattened | The @ref unflatten function only works for an object whose keys are JSON Pointers. -json.exception.type_error.315 | values in object must be primitive | The @ref unflatten function only works for an object whose keys are JSON Pointers and whose values are primitive. -json.exception.type_error.316 | invalid UTF-8 byte at index 10: 0x7E | The @ref dump function only works with UTF-8 encoded strings; that is, if you assign a `std::string` to a JSON value, make sure it is UTF-8 encoded. | -json.exception.type_error.317 | JSON value cannot be serialized to requested format | The dynamic type of the object cannot be represented in the requested serialization format (e.g. a raw `true` or `null` JSON object cannot be serialized to BSON) | - -@liveexample{The following code shows how a `type_error` exception can be -caught.,type_error} - -@sa - @ref exception for the base class of the library exceptions -@sa - @ref parse_error for exceptions indicating a parse error -@sa - @ref invalid_iterator for exceptions indicating errors with iterators -@sa - @ref out_of_range for exceptions indicating access out of the defined range -@sa - @ref other_error for exceptions indicating other library errors - -@since version 3.0.0 -*/ -class type_error : public exception -{ - public: - static type_error create(int id_, const std::string& what_arg) - { - std::string w = exception::name("type_error", id_) + what_arg; - return type_error(id_, w.c_str()); - } - - private: - JSON_HEDLEY_NON_NULL(3) - type_error(int id_, const char* what_arg) : exception(id_, what_arg) {} -}; - -/*! -@brief exception indicating access out of the defined range - -This exception is thrown in case a library function is called on an input -parameter that exceeds the expected range, for instance in case of array -indices or nonexisting object keys. - -Exceptions have ids 4xx. - -name / id | example message | description -------------------------------- | --------------- | ------------------------- -json.exception.out_of_range.401 | array index 3 is out of range | The provided array index @a i is larger than @a size-1. -json.exception.out_of_range.402 | array index '-' (3) is out of range | The special array index `-` in a JSON Pointer never describes a valid element of the array, but the index past the end. That is, it can only be used to add elements at this position, but not to read it. -json.exception.out_of_range.403 | key 'foo' not found | The provided key was not found in the JSON object. -json.exception.out_of_range.404 | unresolved reference token 'foo' | A reference token in a JSON Pointer could not be resolved. -json.exception.out_of_range.405 | JSON pointer has no parent | The JSON Patch operations 'remove' and 'add' can not be applied to the root element of the JSON value. -json.exception.out_of_range.406 | number overflow parsing '10E1000' | A parsed number could not be stored as without changing it to NaN or INF. -json.exception.out_of_range.407 | number overflow serializing '9223372036854775808' | UBJSON and BSON only support integer numbers up to 9223372036854775807. (until version 3.8.0) | -json.exception.out_of_range.408 | excessive array size: 8658170730974374167 | The size (following `#`) of an UBJSON array or object exceeds the maximal capacity. | -json.exception.out_of_range.409 | BSON key cannot contain code point U+0000 (at byte 2) | Key identifiers to be serialized to BSON cannot contain code point U+0000, since the key is stored as zero-terminated c-string | - -@liveexample{The following code shows how an `out_of_range` exception can be -caught.,out_of_range} - -@sa - @ref exception for the base class of the library exceptions -@sa - @ref parse_error for exceptions indicating a parse error -@sa - @ref invalid_iterator for exceptions indicating errors with iterators -@sa - @ref type_error for exceptions indicating executing a member function with - a wrong type -@sa - @ref other_error for exceptions indicating other library errors - -@since version 3.0.0 -*/ -class out_of_range : public exception -{ - public: - static out_of_range create(int id_, const std::string& what_arg) - { - std::string w = exception::name("out_of_range", id_) + what_arg; - return out_of_range(id_, w.c_str()); - } - - private: - JSON_HEDLEY_NON_NULL(3) - out_of_range(int id_, const char* what_arg) : exception(id_, what_arg) {} -}; - -/*! -@brief exception indicating other library errors - -This exception is thrown in case of errors that cannot be classified with the -other exception types. - -Exceptions have ids 5xx. - -name / id | example message | description ------------------------------- | --------------- | ------------------------- -json.exception.other_error.501 | unsuccessful: {"op":"test","path":"/baz", "value":"bar"} | A JSON Patch operation 'test' failed. The unsuccessful operation is also printed. - -@sa - @ref exception for the base class of the library exceptions -@sa - @ref parse_error for exceptions indicating a parse error -@sa - @ref invalid_iterator for exceptions indicating errors with iterators -@sa - @ref type_error for exceptions indicating executing a member function with - a wrong type -@sa - @ref out_of_range for exceptions indicating access out of the defined range - -@liveexample{The following code shows how an `other_error` exception can be -caught.,other_error} - -@since version 3.0.0 -*/ -class other_error : public exception -{ - public: - static other_error create(int id_, const std::string& what_arg) - { - std::string w = exception::name("other_error", id_) + what_arg; - return other_error(id_, w.c_str()); - } - - private: - JSON_HEDLEY_NON_NULL(3) - other_error(int id_, const char* what_arg) : exception(id_, what_arg) {} -}; -} // namespace detail -} // namespace nlohmann - -// #include - -// #include - - -#include // size_t -#include // conditional, enable_if, false_type, integral_constant, is_constructible, is_integral, is_same, remove_cv, remove_reference, true_type - -namespace nlohmann -{ -namespace detail -{ -// alias templates to reduce boilerplate -template -using enable_if_t = typename std::enable_if::type; - -template -using uncvref_t = typename std::remove_cv::type>::type; - -// implementation of C++14 index_sequence and affiliates -// source: https://stackoverflow.com/a/32223343 -template -struct index_sequence -{ - using type = index_sequence; - using value_type = std::size_t; - static constexpr std::size_t size() noexcept - { - return sizeof...(Ints); - } -}; - -template -struct merge_and_renumber; - -template -struct merge_and_renumber, index_sequence> - : index_sequence < I1..., (sizeof...(I1) + I2)... > {}; - -template -struct make_index_sequence - : merge_and_renumber < typename make_index_sequence < N / 2 >::type, - typename make_index_sequence < N - N / 2 >::type > {}; - -template<> struct make_index_sequence<0> : index_sequence<> {}; -template<> struct make_index_sequence<1> : index_sequence<0> {}; - -template -using index_sequence_for = make_index_sequence; - -// dispatch utility (taken from ranges-v3) -template struct priority_tag : priority_tag < N - 1 > {}; -template<> struct priority_tag<0> {}; - -// taken from ranges-v3 -template -struct static_const -{ - static constexpr T value{}; -}; - -template -constexpr T static_const::value; -} // namespace detail -} // namespace nlohmann - -// #include - - -#include // numeric_limits -#include // false_type, is_constructible, is_integral, is_same, true_type -#include // declval - -// #include - - -#include // random_access_iterator_tag - -// #include - - -namespace nlohmann -{ -namespace detail -{ -template struct make_void -{ - using type = void; -}; -template using void_t = typename make_void::type; -} // namespace detail -} // namespace nlohmann - -// #include - - -namespace nlohmann -{ -namespace detail -{ -template -struct iterator_types {}; - -template -struct iterator_types < - It, - void_t> -{ - using difference_type = typename It::difference_type; - using value_type = typename It::value_type; - using pointer = typename It::pointer; - using reference = typename It::reference; - using iterator_category = typename It::iterator_category; -}; - -// This is required as some compilers implement std::iterator_traits in a way that -// doesn't work with SFINAE. See https://github.com/nlohmann/json/issues/1341. -template -struct iterator_traits -{ -}; - -template -struct iterator_traits < T, enable_if_t < !std::is_pointer::value >> - : iterator_types -{ -}; - -template -struct iterator_traits::value>> -{ - using iterator_category = std::random_access_iterator_tag; - using value_type = T; - using difference_type = ptrdiff_t; - using pointer = T*; - using reference = T&; -}; -} // namespace detail -} // namespace nlohmann - -// #include - -// #include - -// #include - - -#include - -// #include - - -// https://en.cppreference.com/w/cpp/experimental/is_detected -namespace nlohmann -{ -namespace detail -{ -struct nonesuch -{ - nonesuch() = delete; - ~nonesuch() = delete; - nonesuch(nonesuch const&) = delete; - nonesuch(nonesuch const&&) = delete; - void operator=(nonesuch const&) = delete; - void operator=(nonesuch&&) = delete; -}; - -template class Op, - class... Args> -struct detector -{ - using value_t = std::false_type; - using type = Default; -}; - -template class Op, class... Args> -struct detector>, Op, Args...> -{ - using value_t = std::true_type; - using type = Op; -}; - -template class Op, class... Args> -using is_detected = typename detector::value_t; - -template class Op, class... Args> -using detected_t = typename detector::type; - -template class Op, class... Args> -using detected_or = detector; - -template class Op, class... Args> -using detected_or_t = typename detected_or::type; - -template class Op, class... Args> -using is_detected_exact = std::is_same>; - -template class Op, class... Args> -using is_detected_convertible = - std::is_convertible, To>; -} // namespace detail -} // namespace nlohmann - -// #include -#ifndef INCLUDE_NLOHMANN_JSON_FWD_HPP_ -#define INCLUDE_NLOHMANN_JSON_FWD_HPP_ - -#include // int64_t, uint64_t -#include // map -#include // allocator -#include // string -#include // vector - -/*! -@brief namespace for Niels Lohmann -@see https://github.com/nlohmann -@since version 1.0.0 -*/ -namespace nlohmann -{ -/*! -@brief default JSONSerializer template argument - -This serializer ignores the template arguments and uses ADL -([argument-dependent lookup](https://en.cppreference.com/w/cpp/language/adl)) -for serialization. -*/ -template -struct adl_serializer; - -template class ObjectType = - std::map, - template class ArrayType = std::vector, - class StringType = std::string, class BooleanType = bool, - class NumberIntegerType = std::int64_t, - class NumberUnsignedType = std::uint64_t, - class NumberFloatType = double, - template class AllocatorType = std::allocator, - template class JSONSerializer = - adl_serializer, - class BinaryType = std::vector> -class basic_json; - -/*! -@brief JSON Pointer - -A JSON pointer defines a string syntax for identifying a specific value -within a JSON document. It can be used with functions `at` and -`operator[]`. Furthermore, JSON pointers are the base for JSON patches. - -@sa [RFC 6901](https://tools.ietf.org/html/rfc6901) - -@since version 2.0.0 -*/ -template -class json_pointer; - -/*! -@brief default JSON class - -This type is the default specialization of the @ref basic_json class which -uses the standard template types. - -@since version 1.0.0 -*/ -using json = basic_json<>; - -template -struct ordered_map; - -/*! -@brief ordered JSON class - -This type preserves the insertion order of object keys. - -@since version 3.9.0 -*/ -using ordered_json = basic_json; - -} // namespace nlohmann - -#endif // INCLUDE_NLOHMANN_JSON_FWD_HPP_ - - -namespace nlohmann -{ -/*! -@brief detail namespace with internal helper functions - -This namespace collects functions that should not be exposed, -implementations of some @ref basic_json methods, and meta-programming helpers. - -@since version 2.1.0 -*/ -namespace detail -{ -///////////// -// helpers // -///////////// - -// Note to maintainers: -// -// Every trait in this file expects a non CV-qualified type. -// The only exceptions are in the 'aliases for detected' section -// (i.e. those of the form: decltype(T::member_function(std::declval()))) -// -// In this case, T has to be properly CV-qualified to constraint the function arguments -// (e.g. to_json(BasicJsonType&, const T&)) - -template struct is_basic_json : std::false_type {}; - -NLOHMANN_BASIC_JSON_TPL_DECLARATION -struct is_basic_json : std::true_type {}; - -////////////////////// -// json_ref helpers // -////////////////////// - -template -class json_ref; - -template -struct is_json_ref : std::false_type {}; - -template -struct is_json_ref> : std::true_type {}; - -////////////////////////// -// aliases for detected // -////////////////////////// - -template -using mapped_type_t = typename T::mapped_type; - -template -using key_type_t = typename T::key_type; - -template -using value_type_t = typename T::value_type; - -template -using difference_type_t = typename T::difference_type; - -template -using pointer_t = typename T::pointer; - -template -using reference_t = typename T::reference; - -template -using iterator_category_t = typename T::iterator_category; - -template -using iterator_t = typename T::iterator; - -template -using to_json_function = decltype(T::to_json(std::declval()...)); - -template -using from_json_function = decltype(T::from_json(std::declval()...)); - -template -using get_template_function = decltype(std::declval().template get()); - -// trait checking if JSONSerializer::from_json(json const&, udt&) exists -template -struct has_from_json : std::false_type {}; - -// trait checking if j.get is valid -// use this trait instead of std::is_constructible or std::is_convertible, -// both rely on, or make use of implicit conversions, and thus fail when T -// has several constructors/operator= (see https://github.com/nlohmann/json/issues/958) -template -struct is_getable -{ - static constexpr bool value = is_detected::value; -}; - -template -struct has_from_json < BasicJsonType, T, - enable_if_t < !is_basic_json::value >> -{ - using serializer = typename BasicJsonType::template json_serializer; - - static constexpr bool value = - is_detected_exact::value; -}; - -// This trait checks if JSONSerializer::from_json(json const&) exists -// this overload is used for non-default-constructible user-defined-types -template -struct has_non_default_from_json : std::false_type {}; - -template -struct has_non_default_from_json < BasicJsonType, T, enable_if_t < !is_basic_json::value >> -{ - using serializer = typename BasicJsonType::template json_serializer; - - static constexpr bool value = - is_detected_exact::value; -}; - -// This trait checks if BasicJsonType::json_serializer::to_json exists -// Do not evaluate the trait when T is a basic_json type, to avoid template instantiation infinite recursion. -template -struct has_to_json : std::false_type {}; - -template -struct has_to_json < BasicJsonType, T, enable_if_t < !is_basic_json::value >> -{ - using serializer = typename BasicJsonType::template json_serializer; - - static constexpr bool value = - is_detected_exact::value; -}; - - -/////////////////// -// is_ functions // -/////////////////// - -template -struct is_iterator_traits : std::false_type {}; - -template -struct is_iterator_traits> -{ - private: - using traits = iterator_traits; - - public: - static constexpr auto value = - is_detected::value && - is_detected::value && - is_detected::value && - is_detected::value && - is_detected::value; -}; - -// source: https://stackoverflow.com/a/37193089/4116453 - -template -struct is_complete_type : std::false_type {}; - -template -struct is_complete_type : std::true_type {}; - -template -struct is_compatible_object_type_impl : std::false_type {}; - -template -struct is_compatible_object_type_impl < - BasicJsonType, CompatibleObjectType, - enable_if_t < is_detected::value&& - is_detected::value >> -{ - - using object_t = typename BasicJsonType::object_t; - - // macOS's is_constructible does not play well with nonesuch... - static constexpr bool value = - std::is_constructible::value && - std::is_constructible::value; -}; - -template -struct is_compatible_object_type - : is_compatible_object_type_impl {}; - -template -struct is_constructible_object_type_impl : std::false_type {}; - -template -struct is_constructible_object_type_impl < - BasicJsonType, ConstructibleObjectType, - enable_if_t < is_detected::value&& - is_detected::value >> -{ - using object_t = typename BasicJsonType::object_t; - - static constexpr bool value = - (std::is_default_constructible::value && - (std::is_move_assignable::value || - std::is_copy_assignable::value) && - (std::is_constructible::value && - std::is_same < - typename object_t::mapped_type, - typename ConstructibleObjectType::mapped_type >::value)) || - (has_from_json::value || - has_non_default_from_json < - BasicJsonType, - typename ConstructibleObjectType::mapped_type >::value); -}; - -template -struct is_constructible_object_type - : is_constructible_object_type_impl {}; - -template -struct is_compatible_string_type_impl : std::false_type {}; - -template -struct is_compatible_string_type_impl < - BasicJsonType, CompatibleStringType, - enable_if_t::value >> -{ - static constexpr auto value = - std::is_constructible::value; -}; - -template -struct is_compatible_string_type - : is_compatible_string_type_impl {}; - -template -struct is_constructible_string_type_impl : std::false_type {}; - -template -struct is_constructible_string_type_impl < - BasicJsonType, ConstructibleStringType, - enable_if_t::value >> -{ - static constexpr auto value = - std::is_constructible::value; -}; - -template -struct is_constructible_string_type - : is_constructible_string_type_impl {}; - -template -struct is_compatible_array_type_impl : std::false_type {}; - -template -struct is_compatible_array_type_impl < - BasicJsonType, CompatibleArrayType, - enable_if_t < is_detected::value&& - is_detected::value&& -// This is needed because json_reverse_iterator has a ::iterator type... -// Therefore it is detected as a CompatibleArrayType. -// The real fix would be to have an Iterable concept. - !is_iterator_traits < - iterator_traits>::value >> -{ - static constexpr bool value = - std::is_constructible::value; -}; - -template -struct is_compatible_array_type - : is_compatible_array_type_impl {}; - -template -struct is_constructible_array_type_impl : std::false_type {}; - -template -struct is_constructible_array_type_impl < - BasicJsonType, ConstructibleArrayType, - enable_if_t::value >> - : std::true_type {}; - -template -struct is_constructible_array_type_impl < - BasicJsonType, ConstructibleArrayType, - enable_if_t < !std::is_same::value&& - std::is_default_constructible::value&& -(std::is_move_assignable::value || - std::is_copy_assignable::value)&& -is_detected::value&& -is_detected::value&& -is_complete_type < -detected_t>::value >> -{ - static constexpr bool value = - // This is needed because json_reverse_iterator has a ::iterator type, - // furthermore, std::back_insert_iterator (and other iterators) have a - // base class `iterator`... Therefore it is detected as a - // ConstructibleArrayType. The real fix would be to have an Iterable - // concept. - !is_iterator_traits>::value && - - (std::is_same::value || - has_from_json::value || - has_non_default_from_json < - BasicJsonType, typename ConstructibleArrayType::value_type >::value); -}; - -template -struct is_constructible_array_type - : is_constructible_array_type_impl {}; - -template -struct is_compatible_integer_type_impl : std::false_type {}; - -template -struct is_compatible_integer_type_impl < - RealIntegerType, CompatibleNumberIntegerType, - enable_if_t < std::is_integral::value&& - std::is_integral::value&& - !std::is_same::value >> -{ - // is there an assert somewhere on overflows? - using RealLimits = std::numeric_limits; - using CompatibleLimits = std::numeric_limits; - - static constexpr auto value = - std::is_constructible::value && - CompatibleLimits::is_integer && - RealLimits::is_signed == CompatibleLimits::is_signed; -}; - -template -struct is_compatible_integer_type - : is_compatible_integer_type_impl {}; - -template -struct is_compatible_type_impl: std::false_type {}; - -template -struct is_compatible_type_impl < - BasicJsonType, CompatibleType, - enable_if_t::value >> -{ - static constexpr bool value = - has_to_json::value; -}; - -template -struct is_compatible_type - : is_compatible_type_impl {}; - -// https://en.cppreference.com/w/cpp/types/conjunction -template struct conjunction : std::true_type { }; -template struct conjunction : B1 { }; -template -struct conjunction -: std::conditional, B1>::type {}; - -template -struct is_constructible_tuple : std::false_type {}; - -template -struct is_constructible_tuple> : conjunction...> {}; -} // namespace detail -} // namespace nlohmann - -// #include - - -#include // array -#include // size_t -#include // uint8_t -#include // string - -namespace nlohmann -{ -namespace detail -{ -/////////////////////////// -// JSON type enumeration // -/////////////////////////// - -/*! -@brief the JSON type enumeration - -This enumeration collects the different JSON types. It is internally used to -distinguish the stored values, and the functions @ref basic_json::is_null(), -@ref basic_json::is_object(), @ref basic_json::is_array(), -@ref basic_json::is_string(), @ref basic_json::is_boolean(), -@ref basic_json::is_number() (with @ref basic_json::is_number_integer(), -@ref basic_json::is_number_unsigned(), and @ref basic_json::is_number_float()), -@ref basic_json::is_discarded(), @ref basic_json::is_primitive(), and -@ref basic_json::is_structured() rely on it. - -@note There are three enumeration entries (number_integer, number_unsigned, and -number_float), because the library distinguishes these three types for numbers: -@ref basic_json::number_unsigned_t is used for unsigned integers, -@ref basic_json::number_integer_t is used for signed integers, and -@ref basic_json::number_float_t is used for floating-point numbers or to -approximate integers which do not fit in the limits of their respective type. - -@sa @ref basic_json::basic_json(const value_t value_type) -- create a JSON -value with the default value for a given type - -@since version 1.0.0 -*/ -enum class value_t : std::uint8_t -{ - null, ///< null value - object, ///< object (unordered set of name/value pairs) - array, ///< array (ordered collection of values) - string, ///< string value - boolean, ///< boolean value - number_integer, ///< number value (signed integer) - number_unsigned, ///< number value (unsigned integer) - number_float, ///< number value (floating-point) - binary, ///< binary array (ordered collection of bytes) - discarded ///< discarded by the parser callback function -}; - -/*! -@brief comparison operator for JSON types - -Returns an ordering that is similar to Python: -- order: null < boolean < number < object < array < string < binary -- furthermore, each type is not smaller than itself -- discarded values are not comparable -- binary is represented as a b"" string in python and directly comparable to a - string; however, making a binary array directly comparable with a string would - be surprising behavior in a JSON file. - -@since version 1.0.0 -*/ -inline bool operator<(const value_t lhs, const value_t rhs) noexcept -{ - static constexpr std::array order = {{ - 0 /* null */, 3 /* object */, 4 /* array */, 5 /* string */, - 1 /* boolean */, 2 /* integer */, 2 /* unsigned */, 2 /* float */, - 6 /* binary */ - } - }; - - const auto l_index = static_cast(lhs); - const auto r_index = static_cast(rhs); - return l_index < order.size() && r_index < order.size() && order[l_index] < order[r_index]; -} -} // namespace detail -} // namespace nlohmann - - -namespace nlohmann -{ -namespace detail -{ -template -void from_json(const BasicJsonType& j, typename std::nullptr_t& n) -{ - if (JSON_HEDLEY_UNLIKELY(!j.is_null())) - { - JSON_THROW(type_error::create(302, "type must be null, but is " + std::string(j.type_name()))); - } - n = nullptr; -} - -// overloads for basic_json template parameters -template < typename BasicJsonType, typename ArithmeticType, - enable_if_t < std::is_arithmetic::value&& - !std::is_same::value, - int > = 0 > -void get_arithmetic_value(const BasicJsonType& j, ArithmeticType& val) -{ - switch (static_cast(j)) - { - case value_t::number_unsigned: - { - val = static_cast(*j.template get_ptr()); - break; - } - case value_t::number_integer: - { - val = static_cast(*j.template get_ptr()); - break; - } - case value_t::number_float: - { - val = static_cast(*j.template get_ptr()); - break; - } - - default: - JSON_THROW(type_error::create(302, "type must be number, but is " + std::string(j.type_name()))); - } -} - -template -void from_json(const BasicJsonType& j, typename BasicJsonType::boolean_t& b) -{ - if (JSON_HEDLEY_UNLIKELY(!j.is_boolean())) - { - JSON_THROW(type_error::create(302, "type must be boolean, but is " + std::string(j.type_name()))); - } - b = *j.template get_ptr(); -} - -template -void from_json(const BasicJsonType& j, typename BasicJsonType::string_t& s) -{ - if (JSON_HEDLEY_UNLIKELY(!j.is_string())) - { - JSON_THROW(type_error::create(302, "type must be string, but is " + std::string(j.type_name()))); - } - s = *j.template get_ptr(); -} - -template < - typename BasicJsonType, typename ConstructibleStringType, - enable_if_t < - is_constructible_string_type::value&& - !std::is_same::value, - int > = 0 > -void from_json(const BasicJsonType& j, ConstructibleStringType& s) -{ - if (JSON_HEDLEY_UNLIKELY(!j.is_string())) - { - JSON_THROW(type_error::create(302, "type must be string, but is " + std::string(j.type_name()))); - } - - s = *j.template get_ptr(); -} - -template -void from_json(const BasicJsonType& j, typename BasicJsonType::number_float_t& val) -{ - get_arithmetic_value(j, val); -} - -template -void from_json(const BasicJsonType& j, typename BasicJsonType::number_unsigned_t& val) -{ - get_arithmetic_value(j, val); -} - -template -void from_json(const BasicJsonType& j, typename BasicJsonType::number_integer_t& val) -{ - get_arithmetic_value(j, val); -} - -template::value, int> = 0> -void from_json(const BasicJsonType& j, EnumType& e) -{ - typename std::underlying_type::type val; - get_arithmetic_value(j, val); - e = static_cast(val); -} - -// forward_list doesn't have an insert method -template::value, int> = 0> -void from_json(const BasicJsonType& j, std::forward_list& l) -{ - if (JSON_HEDLEY_UNLIKELY(!j.is_array())) - { - JSON_THROW(type_error::create(302, "type must be array, but is " + std::string(j.type_name()))); - } - l.clear(); - std::transform(j.rbegin(), j.rend(), - std::front_inserter(l), [](const BasicJsonType & i) - { - return i.template get(); - }); -} - -// valarray doesn't have an insert method -template::value, int> = 0> -void from_json(const BasicJsonType& j, std::valarray& l) -{ - if (JSON_HEDLEY_UNLIKELY(!j.is_array())) - { - JSON_THROW(type_error::create(302, "type must be array, but is " + std::string(j.type_name()))); - } - l.resize(j.size()); - std::transform(j.begin(), j.end(), std::begin(l), - [](const BasicJsonType & elem) - { - return elem.template get(); - }); -} - -template -auto from_json(const BasicJsonType& j, T (&arr)[N]) --> decltype(j.template get(), void()) -{ - for (std::size_t i = 0; i < N; ++i) - { - arr[i] = j.at(i).template get(); - } -} - -template -void from_json_array_impl(const BasicJsonType& j, typename BasicJsonType::array_t& arr, priority_tag<3> /*unused*/) -{ - arr = *j.template get_ptr(); -} - -template -auto from_json_array_impl(const BasicJsonType& j, std::array& arr, - priority_tag<2> /*unused*/) --> decltype(j.template get(), void()) -{ - for (std::size_t i = 0; i < N; ++i) - { - arr[i] = j.at(i).template get(); - } -} - -template -auto from_json_array_impl(const BasicJsonType& j, ConstructibleArrayType& arr, priority_tag<1> /*unused*/) --> decltype( - arr.reserve(std::declval()), - j.template get(), - void()) -{ - using std::end; - - ConstructibleArrayType ret; - ret.reserve(j.size()); - std::transform(j.begin(), j.end(), - std::inserter(ret, end(ret)), [](const BasicJsonType & i) - { - // get() returns *this, this won't call a from_json - // method when value_type is BasicJsonType - return i.template get(); - }); - arr = std::move(ret); -} - -template -void from_json_array_impl(const BasicJsonType& j, ConstructibleArrayType& arr, - priority_tag<0> /*unused*/) -{ - using std::end; - - ConstructibleArrayType ret; - std::transform( - j.begin(), j.end(), std::inserter(ret, end(ret)), - [](const BasicJsonType & i) - { - // get() returns *this, this won't call a from_json - // method when value_type is BasicJsonType - return i.template get(); - }); - arr = std::move(ret); -} - -template < typename BasicJsonType, typename ConstructibleArrayType, - enable_if_t < - is_constructible_array_type::value&& - !is_constructible_object_type::value&& - !is_constructible_string_type::value&& - !std::is_same::value&& - !is_basic_json::value, - int > = 0 > -auto from_json(const BasicJsonType& j, ConstructibleArrayType& arr) --> decltype(from_json_array_impl(j, arr, priority_tag<3> {}), -j.template get(), -void()) -{ - if (JSON_HEDLEY_UNLIKELY(!j.is_array())) - { - JSON_THROW(type_error::create(302, "type must be array, but is " + - std::string(j.type_name()))); - } - - from_json_array_impl(j, arr, priority_tag<3> {}); -} - -template -void from_json(const BasicJsonType& j, typename BasicJsonType::binary_t& bin) -{ - if (JSON_HEDLEY_UNLIKELY(!j.is_binary())) - { - JSON_THROW(type_error::create(302, "type must be binary, but is " + std::string(j.type_name()))); - } - - bin = *j.template get_ptr(); -} - -template::value, int> = 0> -void from_json(const BasicJsonType& j, ConstructibleObjectType& obj) -{ - if (JSON_HEDLEY_UNLIKELY(!j.is_object())) - { - JSON_THROW(type_error::create(302, "type must be object, but is " + std::string(j.type_name()))); - } - - ConstructibleObjectType ret; - auto inner_object = j.template get_ptr(); - using value_type = typename ConstructibleObjectType::value_type; - std::transform( - inner_object->begin(), inner_object->end(), - std::inserter(ret, ret.begin()), - [](typename BasicJsonType::object_t::value_type const & p) - { - return value_type(p.first, p.second.template get()); - }); - obj = std::move(ret); -} - -// overload for arithmetic types, not chosen for basic_json template arguments -// (BooleanType, etc..); note: Is it really necessary to provide explicit -// overloads for boolean_t etc. in case of a custom BooleanType which is not -// an arithmetic type? -template < typename BasicJsonType, typename ArithmeticType, - enable_if_t < - std::is_arithmetic::value&& - !std::is_same::value&& - !std::is_same::value&& - !std::is_same::value&& - !std::is_same::value, - int > = 0 > -void from_json(const BasicJsonType& j, ArithmeticType& val) -{ - switch (static_cast(j)) - { - case value_t::number_unsigned: - { - val = static_cast(*j.template get_ptr()); - break; - } - case value_t::number_integer: - { - val = static_cast(*j.template get_ptr()); - break; - } - case value_t::number_float: - { - val = static_cast(*j.template get_ptr()); - break; - } - case value_t::boolean: - { - val = static_cast(*j.template get_ptr()); - break; - } - - default: - JSON_THROW(type_error::create(302, "type must be number, but is " + std::string(j.type_name()))); - } -} - -template -void from_json(const BasicJsonType& j, std::pair& p) -{ - p = {j.at(0).template get(), j.at(1).template get()}; -} - -template -void from_json_tuple_impl(const BasicJsonType& j, Tuple& t, index_sequence /*unused*/) -{ - t = std::make_tuple(j.at(Idx).template get::type>()...); -} - -template -void from_json(const BasicJsonType& j, std::tuple& t) -{ - from_json_tuple_impl(j, t, index_sequence_for {}); -} - -template < typename BasicJsonType, typename Key, typename Value, typename Compare, typename Allocator, - typename = enable_if_t < !std::is_constructible < - typename BasicJsonType::string_t, Key >::value >> -void from_json(const BasicJsonType& j, std::map& m) -{ - if (JSON_HEDLEY_UNLIKELY(!j.is_array())) - { - JSON_THROW(type_error::create(302, "type must be array, but is " + std::string(j.type_name()))); - } - m.clear(); - for (const auto& p : j) - { - if (JSON_HEDLEY_UNLIKELY(!p.is_array())) - { - JSON_THROW(type_error::create(302, "type must be array, but is " + std::string(p.type_name()))); - } - m.emplace(p.at(0).template get(), p.at(1).template get()); - } -} - -template < typename BasicJsonType, typename Key, typename Value, typename Hash, typename KeyEqual, typename Allocator, - typename = enable_if_t < !std::is_constructible < - typename BasicJsonType::string_t, Key >::value >> -void from_json(const BasicJsonType& j, std::unordered_map& m) -{ - if (JSON_HEDLEY_UNLIKELY(!j.is_array())) - { - JSON_THROW(type_error::create(302, "type must be array, but is " + std::string(j.type_name()))); - } - m.clear(); - for (const auto& p : j) - { - if (JSON_HEDLEY_UNLIKELY(!p.is_array())) - { - JSON_THROW(type_error::create(302, "type must be array, but is " + std::string(p.type_name()))); - } - m.emplace(p.at(0).template get(), p.at(1).template get()); - } -} - -struct from_json_fn -{ - template - auto operator()(const BasicJsonType& j, T& val) const - noexcept(noexcept(from_json(j, val))) - -> decltype(from_json(j, val), void()) - { - return from_json(j, val); - } -}; -} // namespace detail - -/// namespace to hold default `from_json` function -/// to see why this is required: -/// http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/n4381.html -namespace -{ -constexpr const auto& from_json = detail::static_const::value; -} // namespace -} // namespace nlohmann - -// #include - - -#include // copy -#include // begin, end -#include // string -#include // tuple, get -#include // is_same, is_constructible, is_floating_point, is_enum, underlying_type -#include // move, forward, declval, pair -#include // valarray -#include // vector - -// #include - - -#include // size_t -#include // input_iterator_tag -#include // string, to_string -#include // tuple_size, get, tuple_element - -// #include - -// #include - - -namespace nlohmann -{ -namespace detail -{ -template -void int_to_string( string_type& target, std::size_t value ) -{ - // For ADL - using std::to_string; - target = to_string(value); -} -template class iteration_proxy_value -{ - public: - using difference_type = std::ptrdiff_t; - using value_type = iteration_proxy_value; - using pointer = value_type * ; - using reference = value_type & ; - using iterator_category = std::input_iterator_tag; - using string_type = typename std::remove_cv< typename std::remove_reference().key() ) >::type >::type; - - private: - /// the iterator - IteratorType anchor; - /// an index for arrays (used to create key names) - std::size_t array_index = 0; - /// last stringified array index - mutable std::size_t array_index_last = 0; - /// a string representation of the array index - mutable string_type array_index_str = "0"; - /// an empty string (to return a reference for primitive values) - const string_type empty_str = ""; - - public: - explicit iteration_proxy_value(IteratorType it) noexcept : anchor(it) {} - - /// dereference operator (needed for range-based for) - iteration_proxy_value& operator*() - { - return *this; - } - - /// increment operator (needed for range-based for) - iteration_proxy_value& operator++() - { - ++anchor; - ++array_index; - - return *this; - } - - /// equality operator (needed for InputIterator) - bool operator==(const iteration_proxy_value& o) const - { - return anchor == o.anchor; - } - - /// inequality operator (needed for range-based for) - bool operator!=(const iteration_proxy_value& o) const - { - return anchor != o.anchor; - } - - /// return key of the iterator - const string_type& key() const - { - JSON_ASSERT(anchor.m_object != nullptr); - - switch (anchor.m_object->type()) - { - // use integer array index as key - case value_t::array: - { - if (array_index != array_index_last) - { - int_to_string( array_index_str, array_index ); - array_index_last = array_index; - } - return array_index_str; - } - - // use key from the object - case value_t::object: - return anchor.key(); - - // use an empty key for all primitive types - default: - return empty_str; - } - } - - /// return value of the iterator - typename IteratorType::reference value() const - { - return anchor.value(); - } -}; - -/// proxy class for the items() function -template class iteration_proxy -{ - private: - /// the container to iterate - typename IteratorType::reference container; - - public: - /// construct iteration proxy from a container - explicit iteration_proxy(typename IteratorType::reference cont) noexcept - : container(cont) {} - - /// return iterator begin (needed for range-based for) - iteration_proxy_value begin() noexcept - { - return iteration_proxy_value(container.begin()); - } - - /// return iterator end (needed for range-based for) - iteration_proxy_value end() noexcept - { - return iteration_proxy_value(container.end()); - } -}; -// Structured Bindings Support -// For further reference see https://blog.tartanllama.xyz/structured-bindings/ -// And see https://github.com/nlohmann/json/pull/1391 -template = 0> -auto get(const nlohmann::detail::iteration_proxy_value& i) -> decltype(i.key()) -{ - return i.key(); -} -// Structured Bindings Support -// For further reference see https://blog.tartanllama.xyz/structured-bindings/ -// And see https://github.com/nlohmann/json/pull/1391 -template = 0> -auto get(const nlohmann::detail::iteration_proxy_value& i) -> decltype(i.value()) -{ - return i.value(); -} -} // namespace detail -} // namespace nlohmann - -// The Addition to the STD Namespace is required to add -// Structured Bindings Support to the iteration_proxy_value class -// For further reference see https://blog.tartanllama.xyz/structured-bindings/ -// And see https://github.com/nlohmann/json/pull/1391 -namespace std -{ -#if defined(__clang__) - // Fix: https://github.com/nlohmann/json/issues/1401 - #pragma clang diagnostic push - #pragma clang diagnostic ignored "-Wmismatched-tags" -#endif -template -class tuple_size<::nlohmann::detail::iteration_proxy_value> - : public std::integral_constant {}; - -template -class tuple_element> -{ - public: - using type = decltype( - get(std::declval < - ::nlohmann::detail::iteration_proxy_value> ())); -}; -#if defined(__clang__) - #pragma clang diagnostic pop -#endif -} // namespace std - -// #include - -// #include - -// #include - - -namespace nlohmann -{ -namespace detail -{ -////////////////// -// constructors // -////////////////// - -template struct external_constructor; - -template<> -struct external_constructor -{ - template - static void construct(BasicJsonType& j, typename BasicJsonType::boolean_t b) noexcept - { - j.m_type = value_t::boolean; - j.m_value = b; - j.assert_invariant(); - } -}; - -template<> -struct external_constructor -{ - template - static void construct(BasicJsonType& j, const typename BasicJsonType::string_t& s) - { - j.m_type = value_t::string; - j.m_value = s; - j.assert_invariant(); - } - - template - static void construct(BasicJsonType& j, typename BasicJsonType::string_t&& s) - { - j.m_type = value_t::string; - j.m_value = std::move(s); - j.assert_invariant(); - } - - template < typename BasicJsonType, typename CompatibleStringType, - enable_if_t < !std::is_same::value, - int > = 0 > - static void construct(BasicJsonType& j, const CompatibleStringType& str) - { - j.m_type = value_t::string; - j.m_value.string = j.template create(str); - j.assert_invariant(); - } -}; - -template<> -struct external_constructor -{ - template - static void construct(BasicJsonType& j, const typename BasicJsonType::binary_t& b) - { - j.m_type = value_t::binary; - typename BasicJsonType::binary_t value{b}; - j.m_value = value; - j.assert_invariant(); - } - - template - static void construct(BasicJsonType& j, typename BasicJsonType::binary_t&& b) - { - j.m_type = value_t::binary; - typename BasicJsonType::binary_t value{std::move(b)}; - j.m_value = value; - j.assert_invariant(); - } -}; - -template<> -struct external_constructor -{ - template - static void construct(BasicJsonType& j, typename BasicJsonType::number_float_t val) noexcept - { - j.m_type = value_t::number_float; - j.m_value = val; - j.assert_invariant(); - } -}; - -template<> -struct external_constructor -{ - template - static void construct(BasicJsonType& j, typename BasicJsonType::number_unsigned_t val) noexcept - { - j.m_type = value_t::number_unsigned; - j.m_value = val; - j.assert_invariant(); - } -}; - -template<> -struct external_constructor -{ - template - static void construct(BasicJsonType& j, typename BasicJsonType::number_integer_t val) noexcept - { - j.m_type = value_t::number_integer; - j.m_value = val; - j.assert_invariant(); - } -}; - -template<> -struct external_constructor -{ - template - static void construct(BasicJsonType& j, const typename BasicJsonType::array_t& arr) - { - j.m_type = value_t::array; - j.m_value = arr; - j.assert_invariant(); - } - - template - static void construct(BasicJsonType& j, typename BasicJsonType::array_t&& arr) - { - j.m_type = value_t::array; - j.m_value = std::move(arr); - j.assert_invariant(); - } - - template < typename BasicJsonType, typename CompatibleArrayType, - enable_if_t < !std::is_same::value, - int > = 0 > - static void construct(BasicJsonType& j, const CompatibleArrayType& arr) - { - using std::begin; - using std::end; - j.m_type = value_t::array; - j.m_value.array = j.template create(begin(arr), end(arr)); - j.assert_invariant(); - } - - template - static void construct(BasicJsonType& j, const std::vector& arr) - { - j.m_type = value_t::array; - j.m_value = value_t::array; - j.m_value.array->reserve(arr.size()); - for (const bool x : arr) - { - j.m_value.array->push_back(x); - } - j.assert_invariant(); - } - - template::value, int> = 0> - static void construct(BasicJsonType& j, const std::valarray& arr) - { - j.m_type = value_t::array; - j.m_value = value_t::array; - j.m_value.array->resize(arr.size()); - if (arr.size() > 0) - { - std::copy(std::begin(arr), std::end(arr), j.m_value.array->begin()); - } - j.assert_invariant(); - } -}; - -template<> -struct external_constructor -{ - template - static void construct(BasicJsonType& j, const typename BasicJsonType::object_t& obj) - { - j.m_type = value_t::object; - j.m_value = obj; - j.assert_invariant(); - } - - template - static void construct(BasicJsonType& j, typename BasicJsonType::object_t&& obj) - { - j.m_type = value_t::object; - j.m_value = std::move(obj); - j.assert_invariant(); - } - - template < typename BasicJsonType, typename CompatibleObjectType, - enable_if_t < !std::is_same::value, int > = 0 > - static void construct(BasicJsonType& j, const CompatibleObjectType& obj) - { - using std::begin; - using std::end; - - j.m_type = value_t::object; - j.m_value.object = j.template create(begin(obj), end(obj)); - j.assert_invariant(); - } -}; - -///////////// -// to_json // -///////////// - -template::value, int> = 0> -void to_json(BasicJsonType& j, T b) noexcept -{ - external_constructor::construct(j, b); -} - -template::value, int> = 0> -void to_json(BasicJsonType& j, const CompatibleString& s) -{ - external_constructor::construct(j, s); -} - -template -void to_json(BasicJsonType& j, typename BasicJsonType::string_t&& s) -{ - external_constructor::construct(j, std::move(s)); -} - -template::value, int> = 0> -void to_json(BasicJsonType& j, FloatType val) noexcept -{ - external_constructor::construct(j, static_cast(val)); -} - -template::value, int> = 0> -void to_json(BasicJsonType& j, CompatibleNumberUnsignedType val) noexcept -{ - external_constructor::construct(j, static_cast(val)); -} - -template::value, int> = 0> -void to_json(BasicJsonType& j, CompatibleNumberIntegerType val) noexcept -{ - external_constructor::construct(j, static_cast(val)); -} - -template::value, int> = 0> -void to_json(BasicJsonType& j, EnumType e) noexcept -{ - using underlying_type = typename std::underlying_type::type; - external_constructor::construct(j, static_cast(e)); -} - -template -void to_json(BasicJsonType& j, const std::vector& e) -{ - external_constructor::construct(j, e); -} - -template < typename BasicJsonType, typename CompatibleArrayType, - enable_if_t < is_compatible_array_type::value&& - !is_compatible_object_type::value&& - !is_compatible_string_type::value&& - !std::is_same::value&& - !is_basic_json::value, - int > = 0 > -void to_json(BasicJsonType& j, const CompatibleArrayType& arr) -{ - external_constructor::construct(j, arr); -} - -template -void to_json(BasicJsonType& j, const typename BasicJsonType::binary_t& bin) -{ - external_constructor::construct(j, bin); -} - -template::value, int> = 0> -void to_json(BasicJsonType& j, const std::valarray& arr) -{ - external_constructor::construct(j, std::move(arr)); -} - -template -void to_json(BasicJsonType& j, typename BasicJsonType::array_t&& arr) -{ - external_constructor::construct(j, std::move(arr)); -} - -template < typename BasicJsonType, typename CompatibleObjectType, - enable_if_t < is_compatible_object_type::value&& !is_basic_json::value, int > = 0 > -void to_json(BasicJsonType& j, const CompatibleObjectType& obj) -{ - external_constructor::construct(j, obj); -} - -template -void to_json(BasicJsonType& j, typename BasicJsonType::object_t&& obj) -{ - external_constructor::construct(j, std::move(obj)); -} - -template < - typename BasicJsonType, typename T, std::size_t N, - enable_if_t < !std::is_constructible::value, - int > = 0 > -void to_json(BasicJsonType& j, const T(&arr)[N]) -{ - external_constructor::construct(j, arr); -} - -template < typename BasicJsonType, typename T1, typename T2, enable_if_t < std::is_constructible::value&& std::is_constructible::value, int > = 0 > -void to_json(BasicJsonType& j, const std::pair& p) -{ - j = { p.first, p.second }; -} - -// for https://github.com/nlohmann/json/pull/1134 -template>::value, int> = 0> -void to_json(BasicJsonType& j, const T& b) -{ - j = { {b.key(), b.value()} }; -} - -template -void to_json_tuple_impl(BasicJsonType& j, const Tuple& t, index_sequence /*unused*/) -{ - j = { std::get(t)... }; -} - -template::value, int > = 0> -void to_json(BasicJsonType& j, const T& t) -{ - to_json_tuple_impl(j, t, make_index_sequence::value> {}); -} - -struct to_json_fn -{ - template - auto operator()(BasicJsonType& j, T&& val) const noexcept(noexcept(to_json(j, std::forward(val)))) - -> decltype(to_json(j, std::forward(val)), void()) - { - return to_json(j, std::forward(val)); - } -}; -} // namespace detail - -/// namespace to hold default `to_json` function -namespace -{ -constexpr const auto& to_json = detail::static_const::value; -} // namespace -} // namespace nlohmann - - -namespace nlohmann -{ - -template -struct adl_serializer -{ - /*! - @brief convert a JSON value to any value type - - This function is usually called by the `get()` function of the - @ref basic_json class (either explicit or via conversion operators). - - @param[in] j JSON value to read from - @param[in,out] val value to write to - */ - template - static auto from_json(BasicJsonType&& j, ValueType& val) noexcept( - noexcept(::nlohmann::from_json(std::forward(j), val))) - -> decltype(::nlohmann::from_json(std::forward(j), val), void()) - { - ::nlohmann::from_json(std::forward(j), val); - } - - /*! - @brief convert any value type to a JSON value - - This function is usually called by the constructors of the @ref basic_json - class. - - @param[in,out] j JSON value to write to - @param[in] val value to read from - */ - template - static auto to_json(BasicJsonType& j, ValueType&& val) noexcept( - noexcept(::nlohmann::to_json(j, std::forward(val)))) - -> decltype(::nlohmann::to_json(j, std::forward(val)), void()) - { - ::nlohmann::to_json(j, std::forward(val)); - } -}; - -} // namespace nlohmann - -// #include - - -#include // uint8_t -#include // tie -#include // move - -namespace nlohmann -{ - -/*! -@brief an internal type for a backed binary type - -This type extends the template parameter @a BinaryType provided to `basic_json` -with a subtype used by BSON and MessagePack. This type exists so that the user -does not have to specify a type themselves with a specific naming scheme in -order to override the binary type. - -@tparam BinaryType container to store bytes (`std::vector` by - default) - -@since version 3.8.0 -*/ -template -class byte_container_with_subtype : public BinaryType -{ - public: - /// the type of the underlying container - using container_type = BinaryType; - - byte_container_with_subtype() noexcept(noexcept(container_type())) - : container_type() - {} - - byte_container_with_subtype(const container_type& b) noexcept(noexcept(container_type(b))) - : container_type(b) - {} - - byte_container_with_subtype(container_type&& b) noexcept(noexcept(container_type(std::move(b)))) - : container_type(std::move(b)) - {} - - byte_container_with_subtype(const container_type& b, std::uint8_t subtype) noexcept(noexcept(container_type(b))) - : container_type(b) - , m_subtype(subtype) - , m_has_subtype(true) - {} - - byte_container_with_subtype(container_type&& b, std::uint8_t subtype) noexcept(noexcept(container_type(std::move(b)))) - : container_type(std::move(b)) - , m_subtype(subtype) - , m_has_subtype(true) - {} - - bool operator==(const byte_container_with_subtype& rhs) const - { - return std::tie(static_cast(*this), m_subtype, m_has_subtype) == - std::tie(static_cast(rhs), rhs.m_subtype, rhs.m_has_subtype); - } - - bool operator!=(const byte_container_with_subtype& rhs) const - { - return !(rhs == *this); - } - - /*! - @brief sets the binary subtype - - Sets the binary subtype of the value, also flags a binary JSON value as - having a subtype, which has implications for serialization. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @sa @ref subtype() -- return the binary subtype - @sa @ref clear_subtype() -- clears the binary subtype - @sa @ref has_subtype() -- returns whether or not the binary value has a - subtype - - @since version 3.8.0 - */ - void set_subtype(std::uint8_t subtype) noexcept - { - m_subtype = subtype; - m_has_subtype = true; - } - - /*! - @brief return the binary subtype - - Returns the numerical subtype of the value if it has a subtype. If it does - not have a subtype, this function will return size_t(-1) as a sentinel - value. - - @return the numerical subtype of the binary value - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @sa @ref set_subtype() -- sets the binary subtype - @sa @ref clear_subtype() -- clears the binary subtype - @sa @ref has_subtype() -- returns whether or not the binary value has a - subtype - - @since version 3.8.0 - */ - constexpr std::uint8_t subtype() const noexcept - { - return m_subtype; - } - - /*! - @brief return whether the value has a subtype - - @return whether the value has a subtype - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @sa @ref subtype() -- return the binary subtype - @sa @ref set_subtype() -- sets the binary subtype - @sa @ref clear_subtype() -- clears the binary subtype - - @since version 3.8.0 - */ - constexpr bool has_subtype() const noexcept - { - return m_has_subtype; - } - - /*! - @brief clears the binary subtype - - Clears the binary subtype and flags the value as not having a subtype, which - has implications for serialization; for instance MessagePack will prefer the - bin family over the ext family. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @sa @ref subtype() -- return the binary subtype - @sa @ref set_subtype() -- sets the binary subtype - @sa @ref has_subtype() -- returns whether or not the binary value has a - subtype - - @since version 3.8.0 - */ - void clear_subtype() noexcept - { - m_subtype = 0; - m_has_subtype = false; - } - - private: - std::uint8_t m_subtype = 0; - bool m_has_subtype = false; -}; - -} // namespace nlohmann - -// #include - -// #include - -// #include - -// #include - - -#include // size_t, uint8_t -#include // hash - -namespace nlohmann -{ -namespace detail -{ - -// boost::hash_combine -inline std::size_t combine(std::size_t seed, std::size_t h) noexcept -{ - seed ^= h + 0x9e3779b9 + (seed << 6U) + (seed >> 2U); - return seed; -} - -/*! -@brief hash a JSON value - -The hash function tries to rely on std::hash where possible. Furthermore, the -type of the JSON value is taken into account to have different hash values for -null, 0, 0U, and false, etc. - -@tparam BasicJsonType basic_json specialization -@param j JSON value to hash -@return hash value of j -*/ -template -std::size_t hash(const BasicJsonType& j) -{ - using string_t = typename BasicJsonType::string_t; - using number_integer_t = typename BasicJsonType::number_integer_t; - using number_unsigned_t = typename BasicJsonType::number_unsigned_t; - using number_float_t = typename BasicJsonType::number_float_t; - - const auto type = static_cast(j.type()); - switch (j.type()) - { - case BasicJsonType::value_t::null: - case BasicJsonType::value_t::discarded: - { - return combine(type, 0); - } - - case BasicJsonType::value_t::object: - { - auto seed = combine(type, j.size()); - for (const auto& element : j.items()) - { - const auto h = std::hash {}(element.key()); - seed = combine(seed, h); - seed = combine(seed, hash(element.value())); - } - return seed; - } - - case BasicJsonType::value_t::array: - { - auto seed = combine(type, j.size()); - for (const auto& element : j) - { - seed = combine(seed, hash(element)); - } - return seed; - } - - case BasicJsonType::value_t::string: - { - const auto h = std::hash {}(j.template get_ref()); - return combine(type, h); - } - - case BasicJsonType::value_t::boolean: - { - const auto h = std::hash {}(j.template get()); - return combine(type, h); - } - - case BasicJsonType::value_t::number_integer: - { - const auto h = std::hash {}(j.template get()); - return combine(type, h); - } - - case nlohmann::detail::value_t::number_unsigned: - { - const auto h = std::hash {}(j.template get()); - return combine(type, h); - } - - case nlohmann::detail::value_t::number_float: - { - const auto h = std::hash {}(j.template get()); - return combine(type, h); - } - - case nlohmann::detail::value_t::binary: - { - auto seed = combine(type, j.get_binary().size()); - const auto h = std::hash {}(j.get_binary().has_subtype()); - seed = combine(seed, h); - seed = combine(seed, j.get_binary().subtype()); - for (const auto byte : j.get_binary()) - { - seed = combine(seed, std::hash {}(byte)); - } - return seed; - } - - default: // LCOV_EXCL_LINE - JSON_ASSERT(false); // LCOV_EXCL_LINE - } -} - -} // namespace detail -} // namespace nlohmann - -// #include - - -#include // generate_n -#include // array -#include // ldexp -#include // size_t -#include // uint8_t, uint16_t, uint32_t, uint64_t -#include // snprintf -#include // memcpy -#include // back_inserter -#include // numeric_limits -#include // char_traits, string -#include // make_pair, move - -// #include - -// #include - - -#include // array -#include // size_t -#include //FILE * -#include // strlen -#include // istream -#include // begin, end, iterator_traits, random_access_iterator_tag, distance, next -#include // shared_ptr, make_shared, addressof -#include // accumulate -#include // string, char_traits -#include // enable_if, is_base_of, is_pointer, is_integral, remove_pointer -#include // pair, declval - -// #include - -// #include - - -namespace nlohmann -{ -namespace detail -{ -/// the supported input formats -enum class input_format_t { json, cbor, msgpack, ubjson, bson }; - -//////////////////// -// input adapters // -//////////////////// - -/*! -Input adapter for stdio file access. This adapter read only 1 byte and do not use any - buffer. This adapter is a very low level adapter. -*/ -class file_input_adapter -{ - public: - using char_type = char; - - JSON_HEDLEY_NON_NULL(2) - explicit file_input_adapter(std::FILE* f) noexcept - : m_file(f) - {} - - // make class move-only - file_input_adapter(const file_input_adapter&) = delete; - file_input_adapter(file_input_adapter&&) = default; - file_input_adapter& operator=(const file_input_adapter&) = delete; - file_input_adapter& operator=(file_input_adapter&&) = delete; - - std::char_traits::int_type get_character() noexcept - { - return std::fgetc(m_file); - } - - private: - /// the file pointer to read from - std::FILE* m_file; -}; - - -/*! -Input adapter for a (caching) istream. Ignores a UFT Byte Order Mark at -beginning of input. Does not support changing the underlying std::streambuf -in mid-input. Maintains underlying std::istream and std::streambuf to support -subsequent use of standard std::istream operations to process any input -characters following those used in parsing the JSON input. Clears the -std::istream flags; any input errors (e.g., EOF) will be detected by the first -subsequent call for input from the std::istream. -*/ -class input_stream_adapter -{ - public: - using char_type = char; - - ~input_stream_adapter() - { - // clear stream flags; we use underlying streambuf I/O, do not - // maintain ifstream flags, except eof - if (is != nullptr) - { - is->clear(is->rdstate() & std::ios::eofbit); - } - } - - explicit input_stream_adapter(std::istream& i) - : is(&i), sb(i.rdbuf()) - {} - - // delete because of pointer members - input_stream_adapter(const input_stream_adapter&) = delete; - input_stream_adapter& operator=(input_stream_adapter&) = delete; - input_stream_adapter& operator=(input_stream_adapter&& rhs) = delete; - - input_stream_adapter(input_stream_adapter&& rhs) noexcept : is(rhs.is), sb(rhs.sb) - { - rhs.is = nullptr; - rhs.sb = nullptr; - } - - // std::istream/std::streambuf use std::char_traits::to_int_type, to - // ensure that std::char_traits::eof() and the character 0xFF do not - // end up as the same value, eg. 0xFFFFFFFF. - std::char_traits::int_type get_character() - { - auto res = sb->sbumpc(); - // set eof manually, as we don't use the istream interface. - if (JSON_HEDLEY_UNLIKELY(res == EOF)) - { - is->clear(is->rdstate() | std::ios::eofbit); - } - return res; - } - - private: - /// the associated input stream - std::istream* is = nullptr; - std::streambuf* sb = nullptr; -}; - -// General-purpose iterator-based adapter. It might not be as fast as -// theoretically possible for some containers, but it is extremely versatile. -template -class iterator_input_adapter -{ - public: - using char_type = typename std::iterator_traits::value_type; - - iterator_input_adapter(IteratorType first, IteratorType last) - : current(std::move(first)), end(std::move(last)) {} - - typename std::char_traits::int_type get_character() - { - if (JSON_HEDLEY_LIKELY(current != end)) - { - auto result = std::char_traits::to_int_type(*current); - std::advance(current, 1); - return result; - } - else - { - return std::char_traits::eof(); - } - } - - private: - IteratorType current; - IteratorType end; - - template - friend struct wide_string_input_helper; - - bool empty() const - { - return current == end; - } - -}; - - -template -struct wide_string_input_helper; - -template -struct wide_string_input_helper -{ - // UTF-32 - static void fill_buffer(BaseInputAdapter& input, - std::array::int_type, 4>& utf8_bytes, - size_t& utf8_bytes_index, - size_t& utf8_bytes_filled) - { - utf8_bytes_index = 0; - - if (JSON_HEDLEY_UNLIKELY(input.empty())) - { - utf8_bytes[0] = std::char_traits::eof(); - utf8_bytes_filled = 1; - } - else - { - // get the current character - const auto wc = input.get_character(); - - // UTF-32 to UTF-8 encoding - if (wc < 0x80) - { - utf8_bytes[0] = static_cast::int_type>(wc); - utf8_bytes_filled = 1; - } - else if (wc <= 0x7FF) - { - utf8_bytes[0] = static_cast::int_type>(0xC0u | ((static_cast(wc) >> 6u) & 0x1Fu)); - utf8_bytes[1] = static_cast::int_type>(0x80u | (static_cast(wc) & 0x3Fu)); - utf8_bytes_filled = 2; - } - else if (wc <= 0xFFFF) - { - utf8_bytes[0] = static_cast::int_type>(0xE0u | ((static_cast(wc) >> 12u) & 0x0Fu)); - utf8_bytes[1] = static_cast::int_type>(0x80u | ((static_cast(wc) >> 6u) & 0x3Fu)); - utf8_bytes[2] = static_cast::int_type>(0x80u | (static_cast(wc) & 0x3Fu)); - utf8_bytes_filled = 3; - } - else if (wc <= 0x10FFFF) - { - utf8_bytes[0] = static_cast::int_type>(0xF0u | ((static_cast(wc) >> 18u) & 0x07u)); - utf8_bytes[1] = static_cast::int_type>(0x80u | ((static_cast(wc) >> 12u) & 0x3Fu)); - utf8_bytes[2] = static_cast::int_type>(0x80u | ((static_cast(wc) >> 6u) & 0x3Fu)); - utf8_bytes[3] = static_cast::int_type>(0x80u | (static_cast(wc) & 0x3Fu)); - utf8_bytes_filled = 4; - } - else - { - // unknown character - utf8_bytes[0] = static_cast::int_type>(wc); - utf8_bytes_filled = 1; - } - } - } -}; - -template -struct wide_string_input_helper -{ - // UTF-16 - static void fill_buffer(BaseInputAdapter& input, - std::array::int_type, 4>& utf8_bytes, - size_t& utf8_bytes_index, - size_t& utf8_bytes_filled) - { - utf8_bytes_index = 0; - - if (JSON_HEDLEY_UNLIKELY(input.empty())) - { - utf8_bytes[0] = std::char_traits::eof(); - utf8_bytes_filled = 1; - } - else - { - // get the current character - const auto wc = input.get_character(); - - // UTF-16 to UTF-8 encoding - if (wc < 0x80) - { - utf8_bytes[0] = static_cast::int_type>(wc); - utf8_bytes_filled = 1; - } - else if (wc <= 0x7FF) - { - utf8_bytes[0] = static_cast::int_type>(0xC0u | ((static_cast(wc) >> 6u))); - utf8_bytes[1] = static_cast::int_type>(0x80u | (static_cast(wc) & 0x3Fu)); - utf8_bytes_filled = 2; - } - else if (0xD800 > wc || wc >= 0xE000) - { - utf8_bytes[0] = static_cast::int_type>(0xE0u | ((static_cast(wc) >> 12u))); - utf8_bytes[1] = static_cast::int_type>(0x80u | ((static_cast(wc) >> 6u) & 0x3Fu)); - utf8_bytes[2] = static_cast::int_type>(0x80u | (static_cast(wc) & 0x3Fu)); - utf8_bytes_filled = 3; - } - else - { - if (JSON_HEDLEY_UNLIKELY(!input.empty())) - { - const auto wc2 = static_cast(input.get_character()); - const auto charcode = 0x10000u + (((static_cast(wc) & 0x3FFu) << 10u) | (wc2 & 0x3FFu)); - utf8_bytes[0] = static_cast::int_type>(0xF0u | (charcode >> 18u)); - utf8_bytes[1] = static_cast::int_type>(0x80u | ((charcode >> 12u) & 0x3Fu)); - utf8_bytes[2] = static_cast::int_type>(0x80u | ((charcode >> 6u) & 0x3Fu)); - utf8_bytes[3] = static_cast::int_type>(0x80u | (charcode & 0x3Fu)); - utf8_bytes_filled = 4; - } - else - { - utf8_bytes[0] = static_cast::int_type>(wc); - utf8_bytes_filled = 1; - } - } - } - } -}; - -// Wraps another input apdater to convert wide character types into individual bytes. -template -class wide_string_input_adapter -{ - public: - using char_type = char; - - wide_string_input_adapter(BaseInputAdapter base) - : base_adapter(base) {} - - typename std::char_traits::int_type get_character() noexcept - { - // check if buffer needs to be filled - if (utf8_bytes_index == utf8_bytes_filled) - { - fill_buffer(); - - JSON_ASSERT(utf8_bytes_filled > 0); - JSON_ASSERT(utf8_bytes_index == 0); - } - - // use buffer - JSON_ASSERT(utf8_bytes_filled > 0); - JSON_ASSERT(utf8_bytes_index < utf8_bytes_filled); - return utf8_bytes[utf8_bytes_index++]; - } - - private: - BaseInputAdapter base_adapter; - - template - void fill_buffer() - { - wide_string_input_helper::fill_buffer(base_adapter, utf8_bytes, utf8_bytes_index, utf8_bytes_filled); - } - - /// a buffer for UTF-8 bytes - std::array::int_type, 4> utf8_bytes = {{0, 0, 0, 0}}; - - /// index to the utf8_codes array for the next valid byte - std::size_t utf8_bytes_index = 0; - /// number of valid bytes in the utf8_codes array - std::size_t utf8_bytes_filled = 0; -}; - - -template -struct iterator_input_adapter_factory -{ - using iterator_type = IteratorType; - using char_type = typename std::iterator_traits::value_type; - using adapter_type = iterator_input_adapter; - - static adapter_type create(IteratorType first, IteratorType last) - { - return adapter_type(std::move(first), std::move(last)); - } -}; - -template -struct is_iterator_of_multibyte -{ - using value_type = typename std::iterator_traits::value_type; - enum - { - value = sizeof(value_type) > 1 - }; -}; - -template -struct iterator_input_adapter_factory::value>> -{ - using iterator_type = IteratorType; - using char_type = typename std::iterator_traits::value_type; - using base_adapter_type = iterator_input_adapter; - using adapter_type = wide_string_input_adapter; - - static adapter_type create(IteratorType first, IteratorType last) - { - return adapter_type(base_adapter_type(std::move(first), std::move(last))); - } -}; - -// General purpose iterator-based input -template -typename iterator_input_adapter_factory::adapter_type input_adapter(IteratorType first, IteratorType last) -{ - using factory_type = iterator_input_adapter_factory; - return factory_type::create(first, last); -} - -// Convenience shorthand from container to iterator -template -auto input_adapter(const ContainerType& container) -> decltype(input_adapter(begin(container), end(container))) -{ - // Enable ADL - using std::begin; - using std::end; - - return input_adapter(begin(container), end(container)); -} - -// Special cases with fast paths -inline file_input_adapter input_adapter(std::FILE* file) -{ - return file_input_adapter(file); -} - -inline input_stream_adapter input_adapter(std::istream& stream) -{ - return input_stream_adapter(stream); -} - -inline input_stream_adapter input_adapter(std::istream&& stream) -{ - return input_stream_adapter(stream); -} - -using contiguous_bytes_input_adapter = decltype(input_adapter(std::declval(), std::declval())); - -// Null-delimited strings, and the like. -template < typename CharT, - typename std::enable_if < - std::is_pointer::value&& - !std::is_array::value&& - std::is_integral::type>::value&& - sizeof(typename std::remove_pointer::type) == 1, - int >::type = 0 > -contiguous_bytes_input_adapter input_adapter(CharT b) -{ - auto length = std::strlen(reinterpret_cast(b)); - const auto* ptr = reinterpret_cast(b); - return input_adapter(ptr, ptr + length); -} - -template -auto input_adapter(T (&array)[N]) -> decltype(input_adapter(array, array + N)) -{ - return input_adapter(array, array + N); -} - -// This class only handles inputs of input_buffer_adapter type. -// It's required so that expressions like {ptr, len} can be implicitely casted -// to the correct adapter. -class span_input_adapter -{ - public: - template < typename CharT, - typename std::enable_if < - std::is_pointer::value&& - std::is_integral::type>::value&& - sizeof(typename std::remove_pointer::type) == 1, - int >::type = 0 > - span_input_adapter(CharT b, std::size_t l) - : ia(reinterpret_cast(b), reinterpret_cast(b) + l) {} - - template::iterator_category, std::random_access_iterator_tag>::value, - int>::type = 0> - span_input_adapter(IteratorType first, IteratorType last) - : ia(input_adapter(first, last)) {} - - contiguous_bytes_input_adapter&& get() - { - return std::move(ia); - } - - private: - contiguous_bytes_input_adapter ia; -}; -} // namespace detail -} // namespace nlohmann - -// #include - - -#include -#include // string -#include // move -#include // vector - -// #include - -// #include - - -namespace nlohmann -{ - -/*! -@brief SAX interface - -This class describes the SAX interface used by @ref nlohmann::json::sax_parse. -Each function is called in different situations while the input is parsed. The -boolean return value informs the parser whether to continue processing the -input. -*/ -template -struct json_sax -{ - using number_integer_t = typename BasicJsonType::number_integer_t; - using number_unsigned_t = typename BasicJsonType::number_unsigned_t; - using number_float_t = typename BasicJsonType::number_float_t; - using string_t = typename BasicJsonType::string_t; - using binary_t = typename BasicJsonType::binary_t; - - /*! - @brief a null value was read - @return whether parsing should proceed - */ - virtual bool null() = 0; - - /*! - @brief a boolean value was read - @param[in] val boolean value - @return whether parsing should proceed - */ - virtual bool boolean(bool val) = 0; - - /*! - @brief an integer number was read - @param[in] val integer value - @return whether parsing should proceed - */ - virtual bool number_integer(number_integer_t val) = 0; - - /*! - @brief an unsigned integer number was read - @param[in] val unsigned integer value - @return whether parsing should proceed - */ - virtual bool number_unsigned(number_unsigned_t val) = 0; - - /*! - @brief an floating-point number was read - @param[in] val floating-point value - @param[in] s raw token value - @return whether parsing should proceed - */ - virtual bool number_float(number_float_t val, const string_t& s) = 0; - - /*! - @brief a string was read - @param[in] val string value - @return whether parsing should proceed - @note It is safe to move the passed string. - */ - virtual bool string(string_t& val) = 0; - - /*! - @brief a binary string was read - @param[in] val binary value - @return whether parsing should proceed - @note It is safe to move the passed binary. - */ - virtual bool binary(binary_t& val) = 0; - - /*! - @brief the beginning of an object was read - @param[in] elements number of object elements or -1 if unknown - @return whether parsing should proceed - @note binary formats may report the number of elements - */ - virtual bool start_object(std::size_t elements) = 0; - - /*! - @brief an object key was read - @param[in] val object key - @return whether parsing should proceed - @note It is safe to move the passed string. - */ - virtual bool key(string_t& val) = 0; - - /*! - @brief the end of an object was read - @return whether parsing should proceed - */ - virtual bool end_object() = 0; - - /*! - @brief the beginning of an array was read - @param[in] elements number of array elements or -1 if unknown - @return whether parsing should proceed - @note binary formats may report the number of elements - */ - virtual bool start_array(std::size_t elements) = 0; - - /*! - @brief the end of an array was read - @return whether parsing should proceed - */ - virtual bool end_array() = 0; - - /*! - @brief a parse error occurred - @param[in] position the position in the input where the error occurs - @param[in] last_token the last read token - @param[in] ex an exception object describing the error - @return whether parsing should proceed (must return false) - */ - virtual bool parse_error(std::size_t position, - const std::string& last_token, - const detail::exception& ex) = 0; - - virtual ~json_sax() = default; -}; - - -namespace detail -{ -/*! -@brief SAX implementation to create a JSON value from SAX events - -This class implements the @ref json_sax interface and processes the SAX events -to create a JSON value which makes it basically a DOM parser. The structure or -hierarchy of the JSON value is managed by the stack `ref_stack` which contains -a pointer to the respective array or object for each recursion depth. - -After successful parsing, the value that is passed by reference to the -constructor contains the parsed value. - -@tparam BasicJsonType the JSON type -*/ -template -class json_sax_dom_parser -{ - public: - using number_integer_t = typename BasicJsonType::number_integer_t; - using number_unsigned_t = typename BasicJsonType::number_unsigned_t; - using number_float_t = typename BasicJsonType::number_float_t; - using string_t = typename BasicJsonType::string_t; - using binary_t = typename BasicJsonType::binary_t; - - /*! - @param[in, out] r reference to a JSON value that is manipulated while - parsing - @param[in] allow_exceptions_ whether parse errors yield exceptions - */ - explicit json_sax_dom_parser(BasicJsonType& r, const bool allow_exceptions_ = true) - : root(r), allow_exceptions(allow_exceptions_) - {} - - // make class move-only - json_sax_dom_parser(const json_sax_dom_parser&) = delete; - json_sax_dom_parser(json_sax_dom_parser&&) = default; - json_sax_dom_parser& operator=(const json_sax_dom_parser&) = delete; - json_sax_dom_parser& operator=(json_sax_dom_parser&&) = default; - ~json_sax_dom_parser() = default; - - bool null() - { - handle_value(nullptr); - return true; - } - - bool boolean(bool val) - { - handle_value(val); - return true; - } - - bool number_integer(number_integer_t val) - { - handle_value(val); - return true; - } - - bool number_unsigned(number_unsigned_t val) - { - handle_value(val); - return true; - } - - bool number_float(number_float_t val, const string_t& /*unused*/) - { - handle_value(val); - return true; - } - - bool string(string_t& val) - { - handle_value(val); - return true; - } - - bool binary(binary_t& val) - { - handle_value(std::move(val)); - return true; - } - - bool start_object(std::size_t len) - { - ref_stack.push_back(handle_value(BasicJsonType::value_t::object)); - - if (JSON_HEDLEY_UNLIKELY(len != std::size_t(-1) && len > ref_stack.back()->max_size())) - { - JSON_THROW(out_of_range::create(408, - "excessive object size: " + std::to_string(len))); - } - - return true; - } - - bool key(string_t& val) - { - // add null at given key and store the reference for later - object_element = &(ref_stack.back()->m_value.object->operator[](val)); - return true; - } - - bool end_object() - { - ref_stack.pop_back(); - return true; - } - - bool start_array(std::size_t len) - { - ref_stack.push_back(handle_value(BasicJsonType::value_t::array)); - - if (JSON_HEDLEY_UNLIKELY(len != std::size_t(-1) && len > ref_stack.back()->max_size())) - { - JSON_THROW(out_of_range::create(408, - "excessive array size: " + std::to_string(len))); - } - - return true; - } - - bool end_array() - { - ref_stack.pop_back(); - return true; - } - - template - bool parse_error(std::size_t /*unused*/, const std::string& /*unused*/, - const Exception& ex) - { - errored = true; - static_cast(ex); - if (allow_exceptions) - { - JSON_THROW(ex); - } - return false; - } - - constexpr bool is_errored() const - { - return errored; - } - - private: - /*! - @invariant If the ref stack is empty, then the passed value will be the new - root. - @invariant If the ref stack contains a value, then it is an array or an - object to which we can add elements - */ - template - JSON_HEDLEY_RETURNS_NON_NULL - BasicJsonType* handle_value(Value&& v) - { - if (ref_stack.empty()) - { - root = BasicJsonType(std::forward(v)); - return &root; - } - - JSON_ASSERT(ref_stack.back()->is_array() || ref_stack.back()->is_object()); - - if (ref_stack.back()->is_array()) - { - ref_stack.back()->m_value.array->emplace_back(std::forward(v)); - return &(ref_stack.back()->m_value.array->back()); - } - - JSON_ASSERT(ref_stack.back()->is_object()); - JSON_ASSERT(object_element); - *object_element = BasicJsonType(std::forward(v)); - return object_element; - } - - /// the parsed JSON value - BasicJsonType& root; - /// stack to model hierarchy of values - std::vector ref_stack {}; - /// helper to hold the reference for the next object element - BasicJsonType* object_element = nullptr; - /// whether a syntax error occurred - bool errored = false; - /// whether to throw exceptions in case of errors - const bool allow_exceptions = true; -}; - -template -class json_sax_dom_callback_parser -{ - public: - using number_integer_t = typename BasicJsonType::number_integer_t; - using number_unsigned_t = typename BasicJsonType::number_unsigned_t; - using number_float_t = typename BasicJsonType::number_float_t; - using string_t = typename BasicJsonType::string_t; - using binary_t = typename BasicJsonType::binary_t; - using parser_callback_t = typename BasicJsonType::parser_callback_t; - using parse_event_t = typename BasicJsonType::parse_event_t; - - json_sax_dom_callback_parser(BasicJsonType& r, - const parser_callback_t cb, - const bool allow_exceptions_ = true) - : root(r), callback(cb), allow_exceptions(allow_exceptions_) - { - keep_stack.push_back(true); - } - - // make class move-only - json_sax_dom_callback_parser(const json_sax_dom_callback_parser&) = delete; - json_sax_dom_callback_parser(json_sax_dom_callback_parser&&) = default; - json_sax_dom_callback_parser& operator=(const json_sax_dom_callback_parser&) = delete; - json_sax_dom_callback_parser& operator=(json_sax_dom_callback_parser&&) = default; - ~json_sax_dom_callback_parser() = default; - - bool null() - { - handle_value(nullptr); - return true; - } - - bool boolean(bool val) - { - handle_value(val); - return true; - } - - bool number_integer(number_integer_t val) - { - handle_value(val); - return true; - } - - bool number_unsigned(number_unsigned_t val) - { - handle_value(val); - return true; - } - - bool number_float(number_float_t val, const string_t& /*unused*/) - { - handle_value(val); - return true; - } - - bool string(string_t& val) - { - handle_value(val); - return true; - } - - bool binary(binary_t& val) - { - handle_value(std::move(val)); - return true; - } - - bool start_object(std::size_t len) - { - // check callback for object start - const bool keep = callback(static_cast(ref_stack.size()), parse_event_t::object_start, discarded); - keep_stack.push_back(keep); - - auto val = handle_value(BasicJsonType::value_t::object, true); - ref_stack.push_back(val.second); - - // check object limit - if (ref_stack.back() && JSON_HEDLEY_UNLIKELY(len != std::size_t(-1) && len > ref_stack.back()->max_size())) - { - JSON_THROW(out_of_range::create(408, "excessive object size: " + std::to_string(len))); - } - - return true; - } - - bool key(string_t& val) - { - BasicJsonType k = BasicJsonType(val); - - // check callback for key - const bool keep = callback(static_cast(ref_stack.size()), parse_event_t::key, k); - key_keep_stack.push_back(keep); - - // add discarded value at given key and store the reference for later - if (keep && ref_stack.back()) - { - object_element = &(ref_stack.back()->m_value.object->operator[](val) = discarded); - } - - return true; - } - - bool end_object() - { - if (ref_stack.back() && !callback(static_cast(ref_stack.size()) - 1, parse_event_t::object_end, *ref_stack.back())) - { - // discard object - *ref_stack.back() = discarded; - } - - JSON_ASSERT(!ref_stack.empty()); - JSON_ASSERT(!keep_stack.empty()); - ref_stack.pop_back(); - keep_stack.pop_back(); - - if (!ref_stack.empty() && ref_stack.back() && ref_stack.back()->is_structured()) - { - // remove discarded value - for (auto it = ref_stack.back()->begin(); it != ref_stack.back()->end(); ++it) - { - if (it->is_discarded()) - { - ref_stack.back()->erase(it); - break; - } - } - } - - return true; - } - - bool start_array(std::size_t len) - { - const bool keep = callback(static_cast(ref_stack.size()), parse_event_t::array_start, discarded); - keep_stack.push_back(keep); - - auto val = handle_value(BasicJsonType::value_t::array, true); - ref_stack.push_back(val.second); - - // check array limit - if (ref_stack.back() && JSON_HEDLEY_UNLIKELY(len != std::size_t(-1) && len > ref_stack.back()->max_size())) - { - JSON_THROW(out_of_range::create(408, "excessive array size: " + std::to_string(len))); - } - - return true; - } - - bool end_array() - { - bool keep = true; - - if (ref_stack.back()) - { - keep = callback(static_cast(ref_stack.size()) - 1, parse_event_t::array_end, *ref_stack.back()); - if (!keep) - { - // discard array - *ref_stack.back() = discarded; - } - } - - JSON_ASSERT(!ref_stack.empty()); - JSON_ASSERT(!keep_stack.empty()); - ref_stack.pop_back(); - keep_stack.pop_back(); - - // remove discarded value - if (!keep && !ref_stack.empty() && ref_stack.back()->is_array()) - { - ref_stack.back()->m_value.array->pop_back(); - } - - return true; - } - - template - bool parse_error(std::size_t /*unused*/, const std::string& /*unused*/, - const Exception& ex) - { - errored = true; - static_cast(ex); - if (allow_exceptions) - { - JSON_THROW(ex); - } - return false; - } - - constexpr bool is_errored() const - { - return errored; - } - - private: - /*! - @param[in] v value to add to the JSON value we build during parsing - @param[in] skip_callback whether we should skip calling the callback - function; this is required after start_array() and - start_object() SAX events, because otherwise we would call the - callback function with an empty array or object, respectively. - - @invariant If the ref stack is empty, then the passed value will be the new - root. - @invariant If the ref stack contains a value, then it is an array or an - object to which we can add elements - - @return pair of boolean (whether value should be kept) and pointer (to the - passed value in the ref_stack hierarchy; nullptr if not kept) - */ - template - std::pair handle_value(Value&& v, const bool skip_callback = false) - { - JSON_ASSERT(!keep_stack.empty()); - - // do not handle this value if we know it would be added to a discarded - // container - if (!keep_stack.back()) - { - return {false, nullptr}; - } - - // create value - auto value = BasicJsonType(std::forward(v)); - - // check callback - const bool keep = skip_callback || callback(static_cast(ref_stack.size()), parse_event_t::value, value); - - // do not handle this value if we just learnt it shall be discarded - if (!keep) - { - return {false, nullptr}; - } - - if (ref_stack.empty()) - { - root = std::move(value); - return {true, &root}; - } - - // skip this value if we already decided to skip the parent - // (https://github.com/nlohmann/json/issues/971#issuecomment-413678360) - if (!ref_stack.back()) - { - return {false, nullptr}; - } - - // we now only expect arrays and objects - JSON_ASSERT(ref_stack.back()->is_array() || ref_stack.back()->is_object()); - - // array - if (ref_stack.back()->is_array()) - { - ref_stack.back()->m_value.array->push_back(std::move(value)); - return {true, &(ref_stack.back()->m_value.array->back())}; - } - - // object - JSON_ASSERT(ref_stack.back()->is_object()); - // check if we should store an element for the current key - JSON_ASSERT(!key_keep_stack.empty()); - const bool store_element = key_keep_stack.back(); - key_keep_stack.pop_back(); - - if (!store_element) - { - return {false, nullptr}; - } - - JSON_ASSERT(object_element); - *object_element = std::move(value); - return {true, object_element}; - } - - /// the parsed JSON value - BasicJsonType& root; - /// stack to model hierarchy of values - std::vector ref_stack {}; - /// stack to manage which values to keep - std::vector keep_stack {}; - /// stack to manage which object keys to keep - std::vector key_keep_stack {}; - /// helper to hold the reference for the next object element - BasicJsonType* object_element = nullptr; - /// whether a syntax error occurred - bool errored = false; - /// callback function - const parser_callback_t callback = nullptr; - /// whether to throw exceptions in case of errors - const bool allow_exceptions = true; - /// a discarded value for the callback - BasicJsonType discarded = BasicJsonType::value_t::discarded; -}; - -template -class json_sax_acceptor -{ - public: - using number_integer_t = typename BasicJsonType::number_integer_t; - using number_unsigned_t = typename BasicJsonType::number_unsigned_t; - using number_float_t = typename BasicJsonType::number_float_t; - using string_t = typename BasicJsonType::string_t; - using binary_t = typename BasicJsonType::binary_t; - - bool null() - { - return true; - } - - bool boolean(bool /*unused*/) - { - return true; - } - - bool number_integer(number_integer_t /*unused*/) - { - return true; - } - - bool number_unsigned(number_unsigned_t /*unused*/) - { - return true; - } - - bool number_float(number_float_t /*unused*/, const string_t& /*unused*/) - { - return true; - } - - bool string(string_t& /*unused*/) - { - return true; - } - - bool binary(binary_t& /*unused*/) - { - return true; - } - - bool start_object(std::size_t /*unused*/ = std::size_t(-1)) - { - return true; - } - - bool key(string_t& /*unused*/) - { - return true; - } - - bool end_object() - { - return true; - } - - bool start_array(std::size_t /*unused*/ = std::size_t(-1)) - { - return true; - } - - bool end_array() - { - return true; - } - - bool parse_error(std::size_t /*unused*/, const std::string& /*unused*/, const detail::exception& /*unused*/) - { - return false; - } -}; -} // namespace detail - -} // namespace nlohmann - -// #include - - -#include // array -#include // localeconv -#include // size_t -#include // snprintf -#include // strtof, strtod, strtold, strtoll, strtoull -#include // initializer_list -#include // char_traits, string -#include // move -#include // vector - -// #include - -// #include - -// #include - - -namespace nlohmann -{ -namespace detail -{ -/////////// -// lexer // -/////////// - -template -class lexer_base -{ - public: - /// token types for the parser - enum class token_type - { - uninitialized, ///< indicating the scanner is uninitialized - literal_true, ///< the `true` literal - literal_false, ///< the `false` literal - literal_null, ///< the `null` literal - value_string, ///< a string -- use get_string() for actual value - value_unsigned, ///< an unsigned integer -- use get_number_unsigned() for actual value - value_integer, ///< a signed integer -- use get_number_integer() for actual value - value_float, ///< an floating point number -- use get_number_float() for actual value - begin_array, ///< the character for array begin `[` - begin_object, ///< the character for object begin `{` - end_array, ///< the character for array end `]` - end_object, ///< the character for object end `}` - name_separator, ///< the name separator `:` - value_separator, ///< the value separator `,` - parse_error, ///< indicating a parse error - end_of_input, ///< indicating the end of the input buffer - literal_or_value ///< a literal or the begin of a value (only for diagnostics) - }; - - /// return name of values of type token_type (only used for errors) - JSON_HEDLEY_RETURNS_NON_NULL - JSON_HEDLEY_CONST - static const char* token_type_name(const token_type t) noexcept - { - switch (t) - { - case token_type::uninitialized: - return ""; - case token_type::literal_true: - return "true literal"; - case token_type::literal_false: - return "false literal"; - case token_type::literal_null: - return "null literal"; - case token_type::value_string: - return "string literal"; - case token_type::value_unsigned: - case token_type::value_integer: - case token_type::value_float: - return "number literal"; - case token_type::begin_array: - return "'['"; - case token_type::begin_object: - return "'{'"; - case token_type::end_array: - return "']'"; - case token_type::end_object: - return "'}'"; - case token_type::name_separator: - return "':'"; - case token_type::value_separator: - return "','"; - case token_type::parse_error: - return ""; - case token_type::end_of_input: - return "end of input"; - case token_type::literal_or_value: - return "'[', '{', or a literal"; - // LCOV_EXCL_START - default: // catch non-enum values - return "unknown token"; - // LCOV_EXCL_STOP - } - } -}; -/*! -@brief lexical analysis - -This class organizes the lexical analysis during JSON deserialization. -*/ -template -class lexer : public lexer_base -{ - using number_integer_t = typename BasicJsonType::number_integer_t; - using number_unsigned_t = typename BasicJsonType::number_unsigned_t; - using number_float_t = typename BasicJsonType::number_float_t; - using string_t = typename BasicJsonType::string_t; - using char_type = typename InputAdapterType::char_type; - using char_int_type = typename std::char_traits::int_type; - - public: - using token_type = typename lexer_base::token_type; - - explicit lexer(InputAdapterType&& adapter, bool ignore_comments_ = false) - : ia(std::move(adapter)) - , ignore_comments(ignore_comments_) - , decimal_point_char(static_cast(get_decimal_point())) - {} - - // delete because of pointer members - lexer(const lexer&) = delete; - lexer(lexer&&) = default; - lexer& operator=(lexer&) = delete; - lexer& operator=(lexer&&) = default; - ~lexer() = default; - - private: - ///////////////////// - // locales - ///////////////////// - - /// return the locale-dependent decimal point - JSON_HEDLEY_PURE - static char get_decimal_point() noexcept - { - const auto* loc = localeconv(); - JSON_ASSERT(loc != nullptr); - return (loc->decimal_point == nullptr) ? '.' : *(loc->decimal_point); - } - - ///////////////////// - // scan functions - ///////////////////// - - /*! - @brief get codepoint from 4 hex characters following `\u` - - For input "\u c1 c2 c3 c4" the codepoint is: - (c1 * 0x1000) + (c2 * 0x0100) + (c3 * 0x0010) + c4 - = (c1 << 12) + (c2 << 8) + (c3 << 4) + (c4 << 0) - - Furthermore, the possible characters '0'..'9', 'A'..'F', and 'a'..'f' - must be converted to the integers 0x0..0x9, 0xA..0xF, 0xA..0xF, resp. The - conversion is done by subtracting the offset (0x30, 0x37, and 0x57) - between the ASCII value of the character and the desired integer value. - - @return codepoint (0x0000..0xFFFF) or -1 in case of an error (e.g. EOF or - non-hex character) - */ - int get_codepoint() - { - // this function only makes sense after reading `\u` - JSON_ASSERT(current == 'u'); - int codepoint = 0; - - const auto factors = { 12u, 8u, 4u, 0u }; - for (const auto factor : factors) - { - get(); - - if (current >= '0' && current <= '9') - { - codepoint += static_cast((static_cast(current) - 0x30u) << factor); - } - else if (current >= 'A' && current <= 'F') - { - codepoint += static_cast((static_cast(current) - 0x37u) << factor); - } - else if (current >= 'a' && current <= 'f') - { - codepoint += static_cast((static_cast(current) - 0x57u) << factor); - } - else - { - return -1; - } - } - - JSON_ASSERT(0x0000 <= codepoint && codepoint <= 0xFFFF); - return codepoint; - } - - /*! - @brief check if the next byte(s) are inside a given range - - Adds the current byte and, for each passed range, reads a new byte and - checks if it is inside the range. If a violation was detected, set up an - error message and return false. Otherwise, return true. - - @param[in] ranges list of integers; interpreted as list of pairs of - inclusive lower and upper bound, respectively - - @pre The passed list @a ranges must have 2, 4, or 6 elements; that is, - 1, 2, or 3 pairs. This precondition is enforced by an assertion. - - @return true if and only if no range violation was detected - */ - bool next_byte_in_range(std::initializer_list ranges) - { - JSON_ASSERT(ranges.size() == 2 || ranges.size() == 4 || ranges.size() == 6); - add(current); - - for (auto range = ranges.begin(); range != ranges.end(); ++range) - { - get(); - if (JSON_HEDLEY_LIKELY(*range <= current && current <= *(++range))) - { - add(current); - } - else - { - error_message = "invalid string: ill-formed UTF-8 byte"; - return false; - } - } - - return true; - } - - /*! - @brief scan a string literal - - This function scans a string according to Sect. 7 of RFC 7159. While - scanning, bytes are escaped and copied into buffer token_buffer. Then the - function returns successfully, token_buffer is *not* null-terminated (as it - may contain \0 bytes), and token_buffer.size() is the number of bytes in the - string. - - @return token_type::value_string if string could be successfully scanned, - token_type::parse_error otherwise - - @note In case of errors, variable error_message contains a textual - description. - */ - token_type scan_string() - { - // reset token_buffer (ignore opening quote) - reset(); - - // we entered the function by reading an open quote - JSON_ASSERT(current == '\"'); - - while (true) - { - // get next character - switch (get()) - { - // end of file while parsing string - case std::char_traits::eof(): - { - error_message = "invalid string: missing closing quote"; - return token_type::parse_error; - } - - // closing quote - case '\"': - { - return token_type::value_string; - } - - // escapes - case '\\': - { - switch (get()) - { - // quotation mark - case '\"': - add('\"'); - break; - // reverse solidus - case '\\': - add('\\'); - break; - // solidus - case '/': - add('/'); - break; - // backspace - case 'b': - add('\b'); - break; - // form feed - case 'f': - add('\f'); - break; - // line feed - case 'n': - add('\n'); - break; - // carriage return - case 'r': - add('\r'); - break; - // tab - case 't': - add('\t'); - break; - - // unicode escapes - case 'u': - { - const int codepoint1 = get_codepoint(); - int codepoint = codepoint1; // start with codepoint1 - - if (JSON_HEDLEY_UNLIKELY(codepoint1 == -1)) - { - error_message = "invalid string: '\\u' must be followed by 4 hex digits"; - return token_type::parse_error; - } - - // check if code point is a high surrogate - if (0xD800 <= codepoint1 && codepoint1 <= 0xDBFF) - { - // expect next \uxxxx entry - if (JSON_HEDLEY_LIKELY(get() == '\\' && get() == 'u')) - { - const int codepoint2 = get_codepoint(); - - if (JSON_HEDLEY_UNLIKELY(codepoint2 == -1)) - { - error_message = "invalid string: '\\u' must be followed by 4 hex digits"; - return token_type::parse_error; - } - - // check if codepoint2 is a low surrogate - if (JSON_HEDLEY_LIKELY(0xDC00 <= codepoint2 && codepoint2 <= 0xDFFF)) - { - // overwrite codepoint - codepoint = static_cast( - // high surrogate occupies the most significant 22 bits - (static_cast(codepoint1) << 10u) - // low surrogate occupies the least significant 15 bits - + static_cast(codepoint2) - // there is still the 0xD800, 0xDC00 and 0x10000 noise - // in the result so we have to subtract with: - // (0xD800 << 10) + DC00 - 0x10000 = 0x35FDC00 - - 0x35FDC00u); - } - else - { - error_message = "invalid string: surrogate U+D800..U+DBFF must be followed by U+DC00..U+DFFF"; - return token_type::parse_error; - } - } - else - { - error_message = "invalid string: surrogate U+D800..U+DBFF must be followed by U+DC00..U+DFFF"; - return token_type::parse_error; - } - } - else - { - if (JSON_HEDLEY_UNLIKELY(0xDC00 <= codepoint1 && codepoint1 <= 0xDFFF)) - { - error_message = "invalid string: surrogate U+DC00..U+DFFF must follow U+D800..U+DBFF"; - return token_type::parse_error; - } - } - - // result of the above calculation yields a proper codepoint - JSON_ASSERT(0x00 <= codepoint && codepoint <= 0x10FFFF); - - // translate codepoint into bytes - if (codepoint < 0x80) - { - // 1-byte characters: 0xxxxxxx (ASCII) - add(static_cast(codepoint)); - } - else if (codepoint <= 0x7FF) - { - // 2-byte characters: 110xxxxx 10xxxxxx - add(static_cast(0xC0u | (static_cast(codepoint) >> 6u))); - add(static_cast(0x80u | (static_cast(codepoint) & 0x3Fu))); - } - else if (codepoint <= 0xFFFF) - { - // 3-byte characters: 1110xxxx 10xxxxxx 10xxxxxx - add(static_cast(0xE0u | (static_cast(codepoint) >> 12u))); - add(static_cast(0x80u | ((static_cast(codepoint) >> 6u) & 0x3Fu))); - add(static_cast(0x80u | (static_cast(codepoint) & 0x3Fu))); - } - else - { - // 4-byte characters: 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx - add(static_cast(0xF0u | (static_cast(codepoint) >> 18u))); - add(static_cast(0x80u | ((static_cast(codepoint) >> 12u) & 0x3Fu))); - add(static_cast(0x80u | ((static_cast(codepoint) >> 6u) & 0x3Fu))); - add(static_cast(0x80u | (static_cast(codepoint) & 0x3Fu))); - } - - break; - } - - // other characters after escape - default: - error_message = "invalid string: forbidden character after backslash"; - return token_type::parse_error; - } - - break; - } - - // invalid control characters - case 0x00: - { - error_message = "invalid string: control character U+0000 (NUL) must be escaped to \\u0000"; - return token_type::parse_error; - } - - case 0x01: - { - error_message = "invalid string: control character U+0001 (SOH) must be escaped to \\u0001"; - return token_type::parse_error; - } - - case 0x02: - { - error_message = "invalid string: control character U+0002 (STX) must be escaped to \\u0002"; - return token_type::parse_error; - } - - case 0x03: - { - error_message = "invalid string: control character U+0003 (ETX) must be escaped to \\u0003"; - return token_type::parse_error; - } - - case 0x04: - { - error_message = "invalid string: control character U+0004 (EOT) must be escaped to \\u0004"; - return token_type::parse_error; - } - - case 0x05: - { - error_message = "invalid string: control character U+0005 (ENQ) must be escaped to \\u0005"; - return token_type::parse_error; - } - - case 0x06: - { - error_message = "invalid string: control character U+0006 (ACK) must be escaped to \\u0006"; - return token_type::parse_error; - } - - case 0x07: - { - error_message = "invalid string: control character U+0007 (BEL) must be escaped to \\u0007"; - return token_type::parse_error; - } - - case 0x08: - { - error_message = "invalid string: control character U+0008 (BS) must be escaped to \\u0008 or \\b"; - return token_type::parse_error; - } - - case 0x09: - { - error_message = "invalid string: control character U+0009 (HT) must be escaped to \\u0009 or \\t"; - return token_type::parse_error; - } - - case 0x0A: - { - error_message = "invalid string: control character U+000A (LF) must be escaped to \\u000A or \\n"; - return token_type::parse_error; - } - - case 0x0B: - { - error_message = "invalid string: control character U+000B (VT) must be escaped to \\u000B"; - return token_type::parse_error; - } - - case 0x0C: - { - error_message = "invalid string: control character U+000C (FF) must be escaped to \\u000C or \\f"; - return token_type::parse_error; - } - - case 0x0D: - { - error_message = "invalid string: control character U+000D (CR) must be escaped to \\u000D or \\r"; - return token_type::parse_error; - } - - case 0x0E: - { - error_message = "invalid string: control character U+000E (SO) must be escaped to \\u000E"; - return token_type::parse_error; - } - - case 0x0F: - { - error_message = "invalid string: control character U+000F (SI) must be escaped to \\u000F"; - return token_type::parse_error; - } - - case 0x10: - { - error_message = "invalid string: control character U+0010 (DLE) must be escaped to \\u0010"; - return token_type::parse_error; - } - - case 0x11: - { - error_message = "invalid string: control character U+0011 (DC1) must be escaped to \\u0011"; - return token_type::parse_error; - } - - case 0x12: - { - error_message = "invalid string: control character U+0012 (DC2) must be escaped to \\u0012"; - return token_type::parse_error; - } - - case 0x13: - { - error_message = "invalid string: control character U+0013 (DC3) must be escaped to \\u0013"; - return token_type::parse_error; - } - - case 0x14: - { - error_message = "invalid string: control character U+0014 (DC4) must be escaped to \\u0014"; - return token_type::parse_error; - } - - case 0x15: - { - error_message = "invalid string: control character U+0015 (NAK) must be escaped to \\u0015"; - return token_type::parse_error; - } - - case 0x16: - { - error_message = "invalid string: control character U+0016 (SYN) must be escaped to \\u0016"; - return token_type::parse_error; - } - - case 0x17: - { - error_message = "invalid string: control character U+0017 (ETB) must be escaped to \\u0017"; - return token_type::parse_error; - } - - case 0x18: - { - error_message = "invalid string: control character U+0018 (CAN) must be escaped to \\u0018"; - return token_type::parse_error; - } - - case 0x19: - { - error_message = "invalid string: control character U+0019 (EM) must be escaped to \\u0019"; - return token_type::parse_error; - } - - case 0x1A: - { - error_message = "invalid string: control character U+001A (SUB) must be escaped to \\u001A"; - return token_type::parse_error; - } - - case 0x1B: - { - error_message = "invalid string: control character U+001B (ESC) must be escaped to \\u001B"; - return token_type::parse_error; - } - - case 0x1C: - { - error_message = "invalid string: control character U+001C (FS) must be escaped to \\u001C"; - return token_type::parse_error; - } - - case 0x1D: - { - error_message = "invalid string: control character U+001D (GS) must be escaped to \\u001D"; - return token_type::parse_error; - } - - case 0x1E: - { - error_message = "invalid string: control character U+001E (RS) must be escaped to \\u001E"; - return token_type::parse_error; - } - - case 0x1F: - { - error_message = "invalid string: control character U+001F (US) must be escaped to \\u001F"; - return token_type::parse_error; - } - - // U+0020..U+007F (except U+0022 (quote) and U+005C (backspace)) - case 0x20: - case 0x21: - case 0x23: - case 0x24: - case 0x25: - case 0x26: - case 0x27: - case 0x28: - case 0x29: - case 0x2A: - case 0x2B: - case 0x2C: - case 0x2D: - case 0x2E: - case 0x2F: - case 0x30: - case 0x31: - case 0x32: - case 0x33: - case 0x34: - case 0x35: - case 0x36: - case 0x37: - case 0x38: - case 0x39: - case 0x3A: - case 0x3B: - case 0x3C: - case 0x3D: - case 0x3E: - case 0x3F: - case 0x40: - case 0x41: - case 0x42: - case 0x43: - case 0x44: - case 0x45: - case 0x46: - case 0x47: - case 0x48: - case 0x49: - case 0x4A: - case 0x4B: - case 0x4C: - case 0x4D: - case 0x4E: - case 0x4F: - case 0x50: - case 0x51: - case 0x52: - case 0x53: - case 0x54: - case 0x55: - case 0x56: - case 0x57: - case 0x58: - case 0x59: - case 0x5A: - case 0x5B: - case 0x5D: - case 0x5E: - case 0x5F: - case 0x60: - case 0x61: - case 0x62: - case 0x63: - case 0x64: - case 0x65: - case 0x66: - case 0x67: - case 0x68: - case 0x69: - case 0x6A: - case 0x6B: - case 0x6C: - case 0x6D: - case 0x6E: - case 0x6F: - case 0x70: - case 0x71: - case 0x72: - case 0x73: - case 0x74: - case 0x75: - case 0x76: - case 0x77: - case 0x78: - case 0x79: - case 0x7A: - case 0x7B: - case 0x7C: - case 0x7D: - case 0x7E: - case 0x7F: - { - add(current); - break; - } - - // U+0080..U+07FF: bytes C2..DF 80..BF - case 0xC2: - case 0xC3: - case 0xC4: - case 0xC5: - case 0xC6: - case 0xC7: - case 0xC8: - case 0xC9: - case 0xCA: - case 0xCB: - case 0xCC: - case 0xCD: - case 0xCE: - case 0xCF: - case 0xD0: - case 0xD1: - case 0xD2: - case 0xD3: - case 0xD4: - case 0xD5: - case 0xD6: - case 0xD7: - case 0xD8: - case 0xD9: - case 0xDA: - case 0xDB: - case 0xDC: - case 0xDD: - case 0xDE: - case 0xDF: - { - if (JSON_HEDLEY_UNLIKELY(!next_byte_in_range({0x80, 0xBF}))) - { - return token_type::parse_error; - } - break; - } - - // U+0800..U+0FFF: bytes E0 A0..BF 80..BF - case 0xE0: - { - if (JSON_HEDLEY_UNLIKELY(!(next_byte_in_range({0xA0, 0xBF, 0x80, 0xBF})))) - { - return token_type::parse_error; - } - break; - } - - // U+1000..U+CFFF: bytes E1..EC 80..BF 80..BF - // U+E000..U+FFFF: bytes EE..EF 80..BF 80..BF - case 0xE1: - case 0xE2: - case 0xE3: - case 0xE4: - case 0xE5: - case 0xE6: - case 0xE7: - case 0xE8: - case 0xE9: - case 0xEA: - case 0xEB: - case 0xEC: - case 0xEE: - case 0xEF: - { - if (JSON_HEDLEY_UNLIKELY(!(next_byte_in_range({0x80, 0xBF, 0x80, 0xBF})))) - { - return token_type::parse_error; - } - break; - } - - // U+D000..U+D7FF: bytes ED 80..9F 80..BF - case 0xED: - { - if (JSON_HEDLEY_UNLIKELY(!(next_byte_in_range({0x80, 0x9F, 0x80, 0xBF})))) - { - return token_type::parse_error; - } - break; - } - - // U+10000..U+3FFFF F0 90..BF 80..BF 80..BF - case 0xF0: - { - if (JSON_HEDLEY_UNLIKELY(!(next_byte_in_range({0x90, 0xBF, 0x80, 0xBF, 0x80, 0xBF})))) - { - return token_type::parse_error; - } - break; - } - - // U+40000..U+FFFFF F1..F3 80..BF 80..BF 80..BF - case 0xF1: - case 0xF2: - case 0xF3: - { - if (JSON_HEDLEY_UNLIKELY(!(next_byte_in_range({0x80, 0xBF, 0x80, 0xBF, 0x80, 0xBF})))) - { - return token_type::parse_error; - } - break; - } - - // U+100000..U+10FFFF F4 80..8F 80..BF 80..BF - case 0xF4: - { - if (JSON_HEDLEY_UNLIKELY(!(next_byte_in_range({0x80, 0x8F, 0x80, 0xBF, 0x80, 0xBF})))) - { - return token_type::parse_error; - } - break; - } - - // remaining bytes (80..C1 and F5..FF) are ill-formed - default: - { - error_message = "invalid string: ill-formed UTF-8 byte"; - return token_type::parse_error; - } - } - } - } - - /*! - * @brief scan a comment - * @return whether comment could be scanned successfully - */ - bool scan_comment() - { - switch (get()) - { - // single-line comments skip input until a newline or EOF is read - case '/': - { - while (true) - { - switch (get()) - { - case '\n': - case '\r': - case std::char_traits::eof(): - case '\0': - return true; - - default: - break; - } - } - } - - // multi-line comments skip input until */ is read - case '*': - { - while (true) - { - switch (get()) - { - case std::char_traits::eof(): - case '\0': - { - error_message = "invalid comment; missing closing '*/'"; - return false; - } - - case '*': - { - switch (get()) - { - case '/': - return true; - - default: - { - unget(); - continue; - } - } - } - - default: - continue; - } - } - } - - // unexpected character after reading '/' - default: - { - error_message = "invalid comment; expecting '/' or '*' after '/'"; - return false; - } - } - } - - JSON_HEDLEY_NON_NULL(2) - static void strtof(float& f, const char* str, char** endptr) noexcept - { - f = std::strtof(str, endptr); - } - - JSON_HEDLEY_NON_NULL(2) - static void strtof(double& f, const char* str, char** endptr) noexcept - { - f = std::strtod(str, endptr); - } - - JSON_HEDLEY_NON_NULL(2) - static void strtof(long double& f, const char* str, char** endptr) noexcept - { - f = std::strtold(str, endptr); - } - - /*! - @brief scan a number literal - - This function scans a string according to Sect. 6 of RFC 7159. - - The function is realized with a deterministic finite state machine derived - from the grammar described in RFC 7159. Starting in state "init", the - input is read and used to determined the next state. Only state "done" - accepts the number. State "error" is a trap state to model errors. In the - table below, "anything" means any character but the ones listed before. - - state | 0 | 1-9 | e E | + | - | . | anything - ---------|----------|----------|----------|---------|---------|----------|----------- - init | zero | any1 | [error] | [error] | minus | [error] | [error] - minus | zero | any1 | [error] | [error] | [error] | [error] | [error] - zero | done | done | exponent | done | done | decimal1 | done - any1 | any1 | any1 | exponent | done | done | decimal1 | done - decimal1 | decimal2 | decimal2 | [error] | [error] | [error] | [error] | [error] - decimal2 | decimal2 | decimal2 | exponent | done | done | done | done - exponent | any2 | any2 | [error] | sign | sign | [error] | [error] - sign | any2 | any2 | [error] | [error] | [error] | [error] | [error] - any2 | any2 | any2 | done | done | done | done | done - - The state machine is realized with one label per state (prefixed with - "scan_number_") and `goto` statements between them. The state machine - contains cycles, but any cycle can be left when EOF is read. Therefore, - the function is guaranteed to terminate. - - During scanning, the read bytes are stored in token_buffer. This string is - then converted to a signed integer, an unsigned integer, or a - floating-point number. - - @return token_type::value_unsigned, token_type::value_integer, or - token_type::value_float if number could be successfully scanned, - token_type::parse_error otherwise - - @note The scanner is independent of the current locale. Internally, the - locale's decimal point is used instead of `.` to work with the - locale-dependent converters. - */ - token_type scan_number() // lgtm [cpp/use-of-goto] - { - // reset token_buffer to store the number's bytes - reset(); - - // the type of the parsed number; initially set to unsigned; will be - // changed if minus sign, decimal point or exponent is read - token_type number_type = token_type::value_unsigned; - - // state (init): we just found out we need to scan a number - switch (current) - { - case '-': - { - add(current); - goto scan_number_minus; - } - - case '0': - { - add(current); - goto scan_number_zero; - } - - case '1': - case '2': - case '3': - case '4': - case '5': - case '6': - case '7': - case '8': - case '9': - { - add(current); - goto scan_number_any1; - } - - // all other characters are rejected outside scan_number() - default: // LCOV_EXCL_LINE - JSON_ASSERT(false); // LCOV_EXCL_LINE - } - -scan_number_minus: - // state: we just parsed a leading minus sign - number_type = token_type::value_integer; - switch (get()) - { - case '0': - { - add(current); - goto scan_number_zero; - } - - case '1': - case '2': - case '3': - case '4': - case '5': - case '6': - case '7': - case '8': - case '9': - { - add(current); - goto scan_number_any1; - } - - default: - { - error_message = "invalid number; expected digit after '-'"; - return token_type::parse_error; - } - } - -scan_number_zero: - // state: we just parse a zero (maybe with a leading minus sign) - switch (get()) - { - case '.': - { - add(decimal_point_char); - goto scan_number_decimal1; - } - - case 'e': - case 'E': - { - add(current); - goto scan_number_exponent; - } - - default: - goto scan_number_done; - } - -scan_number_any1: - // state: we just parsed a number 0-9 (maybe with a leading minus sign) - switch (get()) - { - case '0': - case '1': - case '2': - case '3': - case '4': - case '5': - case '6': - case '7': - case '8': - case '9': - { - add(current); - goto scan_number_any1; - } - - case '.': - { - add(decimal_point_char); - goto scan_number_decimal1; - } - - case 'e': - case 'E': - { - add(current); - goto scan_number_exponent; - } - - default: - goto scan_number_done; - } - -scan_number_decimal1: - // state: we just parsed a decimal point - number_type = token_type::value_float; - switch (get()) - { - case '0': - case '1': - case '2': - case '3': - case '4': - case '5': - case '6': - case '7': - case '8': - case '9': - { - add(current); - goto scan_number_decimal2; - } - - default: - { - error_message = "invalid number; expected digit after '.'"; - return token_type::parse_error; - } - } - -scan_number_decimal2: - // we just parsed at least one number after a decimal point - switch (get()) - { - case '0': - case '1': - case '2': - case '3': - case '4': - case '5': - case '6': - case '7': - case '8': - case '9': - { - add(current); - goto scan_number_decimal2; - } - - case 'e': - case 'E': - { - add(current); - goto scan_number_exponent; - } - - default: - goto scan_number_done; - } - -scan_number_exponent: - // we just parsed an exponent - number_type = token_type::value_float; - switch (get()) - { - case '+': - case '-': - { - add(current); - goto scan_number_sign; - } - - case '0': - case '1': - case '2': - case '3': - case '4': - case '5': - case '6': - case '7': - case '8': - case '9': - { - add(current); - goto scan_number_any2; - } - - default: - { - error_message = - "invalid number; expected '+', '-', or digit after exponent"; - return token_type::parse_error; - } - } - -scan_number_sign: - // we just parsed an exponent sign - switch (get()) - { - case '0': - case '1': - case '2': - case '3': - case '4': - case '5': - case '6': - case '7': - case '8': - case '9': - { - add(current); - goto scan_number_any2; - } - - default: - { - error_message = "invalid number; expected digit after exponent sign"; - return token_type::parse_error; - } - } - -scan_number_any2: - // we just parsed a number after the exponent or exponent sign - switch (get()) - { - case '0': - case '1': - case '2': - case '3': - case '4': - case '5': - case '6': - case '7': - case '8': - case '9': - { - add(current); - goto scan_number_any2; - } - - default: - goto scan_number_done; - } - -scan_number_done: - // unget the character after the number (we only read it to know that - // we are done scanning a number) - unget(); - - char* endptr = nullptr; - errno = 0; - - // try to parse integers first and fall back to floats - if (number_type == token_type::value_unsigned) - { - const auto x = std::strtoull(token_buffer.data(), &endptr, 10); - - // we checked the number format before - JSON_ASSERT(endptr == token_buffer.data() + token_buffer.size()); - - if (errno == 0) - { - value_unsigned = static_cast(x); - if (value_unsigned == x) - { - return token_type::value_unsigned; - } - } - } - else if (number_type == token_type::value_integer) - { - const auto x = std::strtoll(token_buffer.data(), &endptr, 10); - - // we checked the number format before - JSON_ASSERT(endptr == token_buffer.data() + token_buffer.size()); - - if (errno == 0) - { - value_integer = static_cast(x); - if (value_integer == x) - { - return token_type::value_integer; - } - } - } - - // this code is reached if we parse a floating-point number or if an - // integer conversion above failed - strtof(value_float, token_buffer.data(), &endptr); - - // we checked the number format before - JSON_ASSERT(endptr == token_buffer.data() + token_buffer.size()); - - return token_type::value_float; - } - - /*! - @param[in] literal_text the literal text to expect - @param[in] length the length of the passed literal text - @param[in] return_type the token type to return on success - */ - JSON_HEDLEY_NON_NULL(2) - token_type scan_literal(const char_type* literal_text, const std::size_t length, - token_type return_type) - { - JSON_ASSERT(std::char_traits::to_char_type(current) == literal_text[0]); - for (std::size_t i = 1; i < length; ++i) - { - if (JSON_HEDLEY_UNLIKELY(std::char_traits::to_char_type(get()) != literal_text[i])) - { - error_message = "invalid literal"; - return token_type::parse_error; - } - } - return return_type; - } - - ///////////////////// - // input management - ///////////////////// - - /// reset token_buffer; current character is beginning of token - void reset() noexcept - { - token_buffer.clear(); - token_string.clear(); - token_string.push_back(std::char_traits::to_char_type(current)); - } - - /* - @brief get next character from the input - - This function provides the interface to the used input adapter. It does - not throw in case the input reached EOF, but returns a - `std::char_traits::eof()` in that case. Stores the scanned characters - for use in error messages. - - @return character read from the input - */ - char_int_type get() - { - ++position.chars_read_total; - ++position.chars_read_current_line; - - if (next_unget) - { - // just reset the next_unget variable and work with current - next_unget = false; - } - else - { - current = ia.get_character(); - } - - if (JSON_HEDLEY_LIKELY(current != std::char_traits::eof())) - { - token_string.push_back(std::char_traits::to_char_type(current)); - } - - if (current == '\n') - { - ++position.lines_read; - position.chars_read_current_line = 0; - } - - return current; - } - - /*! - @brief unget current character (read it again on next get) - - We implement unget by setting variable next_unget to true. The input is not - changed - we just simulate ungetting by modifying chars_read_total, - chars_read_current_line, and token_string. The next call to get() will - behave as if the unget character is read again. - */ - void unget() - { - next_unget = true; - - --position.chars_read_total; - - // in case we "unget" a newline, we have to also decrement the lines_read - if (position.chars_read_current_line == 0) - { - if (position.lines_read > 0) - { - --position.lines_read; - } - } - else - { - --position.chars_read_current_line; - } - - if (JSON_HEDLEY_LIKELY(current != std::char_traits::eof())) - { - JSON_ASSERT(!token_string.empty()); - token_string.pop_back(); - } - } - - /// add a character to token_buffer - void add(char_int_type c) - { - token_buffer.push_back(static_cast(c)); - } - - public: - ///////////////////// - // value getters - ///////////////////// - - /// return integer value - constexpr number_integer_t get_number_integer() const noexcept - { - return value_integer; - } - - /// return unsigned integer value - constexpr number_unsigned_t get_number_unsigned() const noexcept - { - return value_unsigned; - } - - /// return floating-point value - constexpr number_float_t get_number_float() const noexcept - { - return value_float; - } - - /// return current string value (implicitly resets the token; useful only once) - string_t& get_string() - { - return token_buffer; - } - - ///////////////////// - // diagnostics - ///////////////////// - - /// return position of last read token - constexpr position_t get_position() const noexcept - { - return position; - } - - /// return the last read token (for errors only). Will never contain EOF - /// (an arbitrary value that is not a valid char value, often -1), because - /// 255 may legitimately occur. May contain NUL, which should be escaped. - std::string get_token_string() const - { - // escape control characters - std::string result; - for (const auto c : token_string) - { - if (static_cast(c) <= '\x1F') - { - // escape control characters - std::array cs{{}}; - (std::snprintf)(cs.data(), cs.size(), "", static_cast(c)); - result += cs.data(); - } - else - { - // add character as is - result.push_back(static_cast(c)); - } - } - - return result; - } - - /// return syntax error message - JSON_HEDLEY_RETURNS_NON_NULL - constexpr const char* get_error_message() const noexcept - { - return error_message; - } - - ///////////////////// - // actual scanner - ///////////////////// - - /*! - @brief skip the UTF-8 byte order mark - @return true iff there is no BOM or the correct BOM has been skipped - */ - bool skip_bom() - { - if (get() == 0xEF) - { - // check if we completely parse the BOM - return get() == 0xBB && get() == 0xBF; - } - - // the first character is not the beginning of the BOM; unget it to - // process is later - unget(); - return true; - } - - void skip_whitespace() - { - do - { - get(); - } - while (current == ' ' || current == '\t' || current == '\n' || current == '\r'); - } - - token_type scan() - { - // initially, skip the BOM - if (position.chars_read_total == 0 && !skip_bom()) - { - error_message = "invalid BOM; must be 0xEF 0xBB 0xBF if given"; - return token_type::parse_error; - } - - // read next character and ignore whitespace - skip_whitespace(); - - // ignore comments - while (ignore_comments && current == '/') - { - if (!scan_comment()) - { - return token_type::parse_error; - } - - // skip following whitespace - skip_whitespace(); - } - - switch (current) - { - // structural characters - case '[': - return token_type::begin_array; - case ']': - return token_type::end_array; - case '{': - return token_type::begin_object; - case '}': - return token_type::end_object; - case ':': - return token_type::name_separator; - case ',': - return token_type::value_separator; - - // literals - case 't': - { - std::array true_literal = {{'t', 'r', 'u', 'e'}}; - return scan_literal(true_literal.data(), true_literal.size(), token_type::literal_true); - } - case 'f': - { - std::array false_literal = {{'f', 'a', 'l', 's', 'e'}}; - return scan_literal(false_literal.data(), false_literal.size(), token_type::literal_false); - } - case 'n': - { - std::array null_literal = {{'n', 'u', 'l', 'l'}}; - return scan_literal(null_literal.data(), null_literal.size(), token_type::literal_null); - } - - // string - case '\"': - return scan_string(); - - // number - case '-': - case '0': - case '1': - case '2': - case '3': - case '4': - case '5': - case '6': - case '7': - case '8': - case '9': - return scan_number(); - - // end of input (the null byte is needed when parsing from - // string literals) - case '\0': - case std::char_traits::eof(): - return token_type::end_of_input; - - // error - default: - error_message = "invalid literal"; - return token_type::parse_error; - } - } - - private: - /// input adapter - InputAdapterType ia; - - /// whether comments should be ignored (true) or signaled as errors (false) - const bool ignore_comments = false; - - /// the current character - char_int_type current = std::char_traits::eof(); - - /// whether the next get() call should just return current - bool next_unget = false; - - /// the start position of the current token - position_t position {}; - - /// raw input token string (for error messages) - std::vector token_string {}; - - /// buffer for variable-length tokens (numbers, strings) - string_t token_buffer {}; - - /// a description of occurred lexer errors - const char* error_message = ""; - - // number values - number_integer_t value_integer = 0; - number_unsigned_t value_unsigned = 0; - number_float_t value_float = 0; - - /// the decimal point - const char_int_type decimal_point_char = '.'; -}; -} // namespace detail -} // namespace nlohmann - -// #include - -// #include - - -#include // size_t -#include // declval -#include // string - -// #include - -// #include - - -namespace nlohmann -{ -namespace detail -{ -template -using null_function_t = decltype(std::declval().null()); - -template -using boolean_function_t = - decltype(std::declval().boolean(std::declval())); - -template -using number_integer_function_t = - decltype(std::declval().number_integer(std::declval())); - -template -using number_unsigned_function_t = - decltype(std::declval().number_unsigned(std::declval())); - -template -using number_float_function_t = decltype(std::declval().number_float( - std::declval(), std::declval())); - -template -using string_function_t = - decltype(std::declval().string(std::declval())); - -template -using binary_function_t = - decltype(std::declval().binary(std::declval())); - -template -using start_object_function_t = - decltype(std::declval().start_object(std::declval())); - -template -using key_function_t = - decltype(std::declval().key(std::declval())); - -template -using end_object_function_t = decltype(std::declval().end_object()); - -template -using start_array_function_t = - decltype(std::declval().start_array(std::declval())); - -template -using end_array_function_t = decltype(std::declval().end_array()); - -template -using parse_error_function_t = decltype(std::declval().parse_error( - std::declval(), std::declval(), - std::declval())); - -template -struct is_sax -{ - private: - static_assert(is_basic_json::value, - "BasicJsonType must be of type basic_json<...>"); - - using number_integer_t = typename BasicJsonType::number_integer_t; - using number_unsigned_t = typename BasicJsonType::number_unsigned_t; - using number_float_t = typename BasicJsonType::number_float_t; - using string_t = typename BasicJsonType::string_t; - using binary_t = typename BasicJsonType::binary_t; - using exception_t = typename BasicJsonType::exception; - - public: - static constexpr bool value = - is_detected_exact::value && - is_detected_exact::value && - is_detected_exact::value && - is_detected_exact::value && - is_detected_exact::value && - is_detected_exact::value && - is_detected_exact::value && - is_detected_exact::value && - is_detected_exact::value && - is_detected_exact::value && - is_detected_exact::value && - is_detected_exact::value && - is_detected_exact::value; -}; - -template -struct is_sax_static_asserts -{ - private: - static_assert(is_basic_json::value, - "BasicJsonType must be of type basic_json<...>"); - - using number_integer_t = typename BasicJsonType::number_integer_t; - using number_unsigned_t = typename BasicJsonType::number_unsigned_t; - using number_float_t = typename BasicJsonType::number_float_t; - using string_t = typename BasicJsonType::string_t; - using binary_t = typename BasicJsonType::binary_t; - using exception_t = typename BasicJsonType::exception; - - public: - static_assert(is_detected_exact::value, - "Missing/invalid function: bool null()"); - static_assert(is_detected_exact::value, - "Missing/invalid function: bool boolean(bool)"); - static_assert(is_detected_exact::value, - "Missing/invalid function: bool boolean(bool)"); - static_assert( - is_detected_exact::value, - "Missing/invalid function: bool number_integer(number_integer_t)"); - static_assert( - is_detected_exact::value, - "Missing/invalid function: bool number_unsigned(number_unsigned_t)"); - static_assert(is_detected_exact::value, - "Missing/invalid function: bool number_float(number_float_t, const string_t&)"); - static_assert( - is_detected_exact::value, - "Missing/invalid function: bool string(string_t&)"); - static_assert( - is_detected_exact::value, - "Missing/invalid function: bool binary(binary_t&)"); - static_assert(is_detected_exact::value, - "Missing/invalid function: bool start_object(std::size_t)"); - static_assert(is_detected_exact::value, - "Missing/invalid function: bool key(string_t&)"); - static_assert(is_detected_exact::value, - "Missing/invalid function: bool end_object()"); - static_assert(is_detected_exact::value, - "Missing/invalid function: bool start_array(std::size_t)"); - static_assert(is_detected_exact::value, - "Missing/invalid function: bool end_array()"); - static_assert( - is_detected_exact::value, - "Missing/invalid function: bool parse_error(std::size_t, const " - "std::string&, const exception&)"); -}; -} // namespace detail -} // namespace nlohmann - -// #include - - -namespace nlohmann -{ -namespace detail -{ - -/// how to treat CBOR tags -enum class cbor_tag_handler_t -{ - error, ///< throw a parse_error exception in case of a tag - ignore ///< ignore tags -}; - -/*! -@brief determine system byte order - -@return true if and only if system's byte order is little endian - -@note from https://stackoverflow.com/a/1001328/266378 -*/ -static inline bool little_endianess(int num = 1) noexcept -{ - return *reinterpret_cast(&num) == 1; -} - - -/////////////////// -// binary reader // -/////////////////// - -/*! -@brief deserialization of CBOR, MessagePack, and UBJSON values -*/ -template> -class binary_reader -{ - using number_integer_t = typename BasicJsonType::number_integer_t; - using number_unsigned_t = typename BasicJsonType::number_unsigned_t; - using number_float_t = typename BasicJsonType::number_float_t; - using string_t = typename BasicJsonType::string_t; - using binary_t = typename BasicJsonType::binary_t; - using json_sax_t = SAX; - using char_type = typename InputAdapterType::char_type; - using char_int_type = typename std::char_traits::int_type; - - public: - /*! - @brief create a binary reader - - @param[in] adapter input adapter to read from - */ - explicit binary_reader(InputAdapterType&& adapter) : ia(std::move(adapter)) - { - (void)detail::is_sax_static_asserts {}; - } - - // make class move-only - binary_reader(const binary_reader&) = delete; - binary_reader(binary_reader&&) = default; - binary_reader& operator=(const binary_reader&) = delete; - binary_reader& operator=(binary_reader&&) = default; - ~binary_reader() = default; - - /*! - @param[in] format the binary format to parse - @param[in] sax_ a SAX event processor - @param[in] strict whether to expect the input to be consumed completed - @param[in] tag_handler how to treat CBOR tags - - @return - */ - JSON_HEDLEY_NON_NULL(3) - bool sax_parse(const input_format_t format, - json_sax_t* sax_, - const bool strict = true, - const cbor_tag_handler_t tag_handler = cbor_tag_handler_t::error) - { - sax = sax_; - bool result = false; - - switch (format) - { - case input_format_t::bson: - result = parse_bson_internal(); - break; - - case input_format_t::cbor: - result = parse_cbor_internal(true, tag_handler); - break; - - case input_format_t::msgpack: - result = parse_msgpack_internal(); - break; - - case input_format_t::ubjson: - result = parse_ubjson_internal(); - break; - - default: // LCOV_EXCL_LINE - JSON_ASSERT(false); // LCOV_EXCL_LINE - } - - // strict mode: next byte must be EOF - if (result && strict) - { - if (format == input_format_t::ubjson) - { - get_ignore_noop(); - } - else - { - get(); - } - - if (JSON_HEDLEY_UNLIKELY(current != std::char_traits::eof())) - { - return sax->parse_error(chars_read, get_token_string(), - parse_error::create(110, chars_read, exception_message(format, "expected end of input; last byte: 0x" + get_token_string(), "value"))); - } - } - - return result; - } - - private: - ////////// - // BSON // - ////////// - - /*! - @brief Reads in a BSON-object and passes it to the SAX-parser. - @return whether a valid BSON-value was passed to the SAX parser - */ - bool parse_bson_internal() - { - std::int32_t document_size{}; - get_number(input_format_t::bson, document_size); - - if (JSON_HEDLEY_UNLIKELY(!sax->start_object(std::size_t(-1)))) - { - return false; - } - - if (JSON_HEDLEY_UNLIKELY(!parse_bson_element_list(/*is_array*/false))) - { - return false; - } - - return sax->end_object(); - } - - /*! - @brief Parses a C-style string from the BSON input. - @param[in, out] result A reference to the string variable where the read - string is to be stored. - @return `true` if the \x00-byte indicating the end of the string was - encountered before the EOF; false` indicates an unexpected EOF. - */ - bool get_bson_cstr(string_t& result) - { - auto out = std::back_inserter(result); - while (true) - { - get(); - if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::bson, "cstring"))) - { - return false; - } - if (current == 0x00) - { - return true; - } - *out++ = static_cast(current); - } - } - - /*! - @brief Parses a zero-terminated string of length @a len from the BSON - input. - @param[in] len The length (including the zero-byte at the end) of the - string to be read. - @param[in, out] result A reference to the string variable where the read - string is to be stored. - @tparam NumberType The type of the length @a len - @pre len >= 1 - @return `true` if the string was successfully parsed - */ - template - bool get_bson_string(const NumberType len, string_t& result) - { - if (JSON_HEDLEY_UNLIKELY(len < 1)) - { - auto last_token = get_token_string(); - return sax->parse_error(chars_read, last_token, parse_error::create(112, chars_read, exception_message(input_format_t::bson, "string length must be at least 1, is " + std::to_string(len), "string"))); - } - - return get_string(input_format_t::bson, len - static_cast(1), result) && get() != std::char_traits::eof(); - } - - /*! - @brief Parses a byte array input of length @a len from the BSON input. - @param[in] len The length of the byte array to be read. - @param[in, out] result A reference to the binary variable where the read - array is to be stored. - @tparam NumberType The type of the length @a len - @pre len >= 0 - @return `true` if the byte array was successfully parsed - */ - template - bool get_bson_binary(const NumberType len, binary_t& result) - { - if (JSON_HEDLEY_UNLIKELY(len < 0)) - { - auto last_token = get_token_string(); - return sax->parse_error(chars_read, last_token, parse_error::create(112, chars_read, exception_message(input_format_t::bson, "byte array length cannot be negative, is " + std::to_string(len), "binary"))); - } - - // All BSON binary values have a subtype - std::uint8_t subtype{}; - get_number(input_format_t::bson, subtype); - result.set_subtype(subtype); - - return get_binary(input_format_t::bson, len, result); - } - - /*! - @brief Read a BSON document element of the given @a element_type. - @param[in] element_type The BSON element type, c.f. http://bsonspec.org/spec.html - @param[in] element_type_parse_position The position in the input stream, - where the `element_type` was read. - @warning Not all BSON element types are supported yet. An unsupported - @a element_type will give rise to a parse_error.114: - Unsupported BSON record type 0x... - @return whether a valid BSON-object/array was passed to the SAX parser - */ - bool parse_bson_element_internal(const char_int_type element_type, - const std::size_t element_type_parse_position) - { - switch (element_type) - { - case 0x01: // double - { - double number{}; - return get_number(input_format_t::bson, number) && sax->number_float(static_cast(number), ""); - } - - case 0x02: // string - { - std::int32_t len{}; - string_t value; - return get_number(input_format_t::bson, len) && get_bson_string(len, value) && sax->string(value); - } - - case 0x03: // object - { - return parse_bson_internal(); - } - - case 0x04: // array - { - return parse_bson_array(); - } - - case 0x05: // binary - { - std::int32_t len{}; - binary_t value; - return get_number(input_format_t::bson, len) && get_bson_binary(len, value) && sax->binary(value); - } - - case 0x08: // boolean - { - return sax->boolean(get() != 0); - } - - case 0x0A: // null - { - return sax->null(); - } - - case 0x10: // int32 - { - std::int32_t value{}; - return get_number(input_format_t::bson, value) && sax->number_integer(value); - } - - case 0x12: // int64 - { - std::int64_t value{}; - return get_number(input_format_t::bson, value) && sax->number_integer(value); - } - - default: // anything else not supported (yet) - { - std::array cr{{}}; - (std::snprintf)(cr.data(), cr.size(), "%.2hhX", static_cast(element_type)); - return sax->parse_error(element_type_parse_position, std::string(cr.data()), parse_error::create(114, element_type_parse_position, "Unsupported BSON record type 0x" + std::string(cr.data()))); - } - } - } - - /*! - @brief Read a BSON element list (as specified in the BSON-spec) - - The same binary layout is used for objects and arrays, hence it must be - indicated with the argument @a is_array which one is expected - (true --> array, false --> object). - - @param[in] is_array Determines if the element list being read is to be - treated as an object (@a is_array == false), or as an - array (@a is_array == true). - @return whether a valid BSON-object/array was passed to the SAX parser - */ - bool parse_bson_element_list(const bool is_array) - { - string_t key; - - while (auto element_type = get()) - { - if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::bson, "element list"))) - { - return false; - } - - const std::size_t element_type_parse_position = chars_read; - if (JSON_HEDLEY_UNLIKELY(!get_bson_cstr(key))) - { - return false; - } - - if (!is_array && !sax->key(key)) - { - return false; - } - - if (JSON_HEDLEY_UNLIKELY(!parse_bson_element_internal(element_type, element_type_parse_position))) - { - return false; - } - - // get_bson_cstr only appends - key.clear(); - } - - return true; - } - - /*! - @brief Reads an array from the BSON input and passes it to the SAX-parser. - @return whether a valid BSON-array was passed to the SAX parser - */ - bool parse_bson_array() - { - std::int32_t document_size{}; - get_number(input_format_t::bson, document_size); - - if (JSON_HEDLEY_UNLIKELY(!sax->start_array(std::size_t(-1)))) - { - return false; - } - - if (JSON_HEDLEY_UNLIKELY(!parse_bson_element_list(/*is_array*/true))) - { - return false; - } - - return sax->end_array(); - } - - ////////// - // CBOR // - ////////// - - /*! - @param[in] get_char whether a new character should be retrieved from the - input (true) or whether the last read character should - be considered instead (false) - @param[in] tag_handler how CBOR tags should be treated - - @return whether a valid CBOR value was passed to the SAX parser - */ - bool parse_cbor_internal(const bool get_char, - const cbor_tag_handler_t tag_handler) - { - switch (get_char ? get() : current) - { - // EOF - case std::char_traits::eof(): - return unexpect_eof(input_format_t::cbor, "value"); - - // Integer 0x00..0x17 (0..23) - case 0x00: - case 0x01: - case 0x02: - case 0x03: - case 0x04: - case 0x05: - case 0x06: - case 0x07: - case 0x08: - case 0x09: - case 0x0A: - case 0x0B: - case 0x0C: - case 0x0D: - case 0x0E: - case 0x0F: - case 0x10: - case 0x11: - case 0x12: - case 0x13: - case 0x14: - case 0x15: - case 0x16: - case 0x17: - return sax->number_unsigned(static_cast(current)); - - case 0x18: // Unsigned integer (one-byte uint8_t follows) - { - std::uint8_t number{}; - return get_number(input_format_t::cbor, number) && sax->number_unsigned(number); - } - - case 0x19: // Unsigned integer (two-byte uint16_t follows) - { - std::uint16_t number{}; - return get_number(input_format_t::cbor, number) && sax->number_unsigned(number); - } - - case 0x1A: // Unsigned integer (four-byte uint32_t follows) - { - std::uint32_t number{}; - return get_number(input_format_t::cbor, number) && sax->number_unsigned(number); - } - - case 0x1B: // Unsigned integer (eight-byte uint64_t follows) - { - std::uint64_t number{}; - return get_number(input_format_t::cbor, number) && sax->number_unsigned(number); - } - - // Negative integer -1-0x00..-1-0x17 (-1..-24) - case 0x20: - case 0x21: - case 0x22: - case 0x23: - case 0x24: - case 0x25: - case 0x26: - case 0x27: - case 0x28: - case 0x29: - case 0x2A: - case 0x2B: - case 0x2C: - case 0x2D: - case 0x2E: - case 0x2F: - case 0x30: - case 0x31: - case 0x32: - case 0x33: - case 0x34: - case 0x35: - case 0x36: - case 0x37: - return sax->number_integer(static_cast(0x20 - 1 - current)); - - case 0x38: // Negative integer (one-byte uint8_t follows) - { - std::uint8_t number{}; - return get_number(input_format_t::cbor, number) && sax->number_integer(static_cast(-1) - number); - } - - case 0x39: // Negative integer -1-n (two-byte uint16_t follows) - { - std::uint16_t number{}; - return get_number(input_format_t::cbor, number) && sax->number_integer(static_cast(-1) - number); - } - - case 0x3A: // Negative integer -1-n (four-byte uint32_t follows) - { - std::uint32_t number{}; - return get_number(input_format_t::cbor, number) && sax->number_integer(static_cast(-1) - number); - } - - case 0x3B: // Negative integer -1-n (eight-byte uint64_t follows) - { - std::uint64_t number{}; - return get_number(input_format_t::cbor, number) && sax->number_integer(static_cast(-1) - - static_cast(number)); - } - - // Binary data (0x00..0x17 bytes follow) - case 0x40: - case 0x41: - case 0x42: - case 0x43: - case 0x44: - case 0x45: - case 0x46: - case 0x47: - case 0x48: - case 0x49: - case 0x4A: - case 0x4B: - case 0x4C: - case 0x4D: - case 0x4E: - case 0x4F: - case 0x50: - case 0x51: - case 0x52: - case 0x53: - case 0x54: - case 0x55: - case 0x56: - case 0x57: - case 0x58: // Binary data (one-byte uint8_t for n follows) - case 0x59: // Binary data (two-byte uint16_t for n follow) - case 0x5A: // Binary data (four-byte uint32_t for n follow) - case 0x5B: // Binary data (eight-byte uint64_t for n follow) - case 0x5F: // Binary data (indefinite length) - { - binary_t b; - return get_cbor_binary(b) && sax->binary(b); - } - - // UTF-8 string (0x00..0x17 bytes follow) - case 0x60: - case 0x61: - case 0x62: - case 0x63: - case 0x64: - case 0x65: - case 0x66: - case 0x67: - case 0x68: - case 0x69: - case 0x6A: - case 0x6B: - case 0x6C: - case 0x6D: - case 0x6E: - case 0x6F: - case 0x70: - case 0x71: - case 0x72: - case 0x73: - case 0x74: - case 0x75: - case 0x76: - case 0x77: - case 0x78: // UTF-8 string (one-byte uint8_t for n follows) - case 0x79: // UTF-8 string (two-byte uint16_t for n follow) - case 0x7A: // UTF-8 string (four-byte uint32_t for n follow) - case 0x7B: // UTF-8 string (eight-byte uint64_t for n follow) - case 0x7F: // UTF-8 string (indefinite length) - { - string_t s; - return get_cbor_string(s) && sax->string(s); - } - - // array (0x00..0x17 data items follow) - case 0x80: - case 0x81: - case 0x82: - case 0x83: - case 0x84: - case 0x85: - case 0x86: - case 0x87: - case 0x88: - case 0x89: - case 0x8A: - case 0x8B: - case 0x8C: - case 0x8D: - case 0x8E: - case 0x8F: - case 0x90: - case 0x91: - case 0x92: - case 0x93: - case 0x94: - case 0x95: - case 0x96: - case 0x97: - return get_cbor_array(static_cast(static_cast(current) & 0x1Fu), tag_handler); - - case 0x98: // array (one-byte uint8_t for n follows) - { - std::uint8_t len{}; - return get_number(input_format_t::cbor, len) && get_cbor_array(static_cast(len), tag_handler); - } - - case 0x99: // array (two-byte uint16_t for n follow) - { - std::uint16_t len{}; - return get_number(input_format_t::cbor, len) && get_cbor_array(static_cast(len), tag_handler); - } - - case 0x9A: // array (four-byte uint32_t for n follow) - { - std::uint32_t len{}; - return get_number(input_format_t::cbor, len) && get_cbor_array(static_cast(len), tag_handler); - } - - case 0x9B: // array (eight-byte uint64_t for n follow) - { - std::uint64_t len{}; - return get_number(input_format_t::cbor, len) && get_cbor_array(static_cast(len), tag_handler); - } - - case 0x9F: // array (indefinite length) - return get_cbor_array(std::size_t(-1), tag_handler); - - // map (0x00..0x17 pairs of data items follow) - case 0xA0: - case 0xA1: - case 0xA2: - case 0xA3: - case 0xA4: - case 0xA5: - case 0xA6: - case 0xA7: - case 0xA8: - case 0xA9: - case 0xAA: - case 0xAB: - case 0xAC: - case 0xAD: - case 0xAE: - case 0xAF: - case 0xB0: - case 0xB1: - case 0xB2: - case 0xB3: - case 0xB4: - case 0xB5: - case 0xB6: - case 0xB7: - return get_cbor_object(static_cast(static_cast(current) & 0x1Fu), tag_handler); - - case 0xB8: // map (one-byte uint8_t for n follows) - { - std::uint8_t len{}; - return get_number(input_format_t::cbor, len) && get_cbor_object(static_cast(len), tag_handler); - } - - case 0xB9: // map (two-byte uint16_t for n follow) - { - std::uint16_t len{}; - return get_number(input_format_t::cbor, len) && get_cbor_object(static_cast(len), tag_handler); - } - - case 0xBA: // map (four-byte uint32_t for n follow) - { - std::uint32_t len{}; - return get_number(input_format_t::cbor, len) && get_cbor_object(static_cast(len), tag_handler); - } - - case 0xBB: // map (eight-byte uint64_t for n follow) - { - std::uint64_t len{}; - return get_number(input_format_t::cbor, len) && get_cbor_object(static_cast(len), tag_handler); - } - - case 0xBF: // map (indefinite length) - return get_cbor_object(std::size_t(-1), tag_handler); - - case 0xC6: // tagged item - case 0xC7: - case 0xC8: - case 0xC9: - case 0xCA: - case 0xCB: - case 0xCC: - case 0xCD: - case 0xCE: - case 0xCF: - case 0xD0: - case 0xD1: - case 0xD2: - case 0xD3: - case 0xD4: - case 0xD8: // tagged item (1 bytes follow) - case 0xD9: // tagged item (2 bytes follow) - case 0xDA: // tagged item (4 bytes follow) - case 0xDB: // tagged item (8 bytes follow) - { - switch (tag_handler) - { - case cbor_tag_handler_t::error: - { - auto last_token = get_token_string(); - return sax->parse_error(chars_read, last_token, parse_error::create(112, chars_read, exception_message(input_format_t::cbor, "invalid byte: 0x" + last_token, "value"))); - } - - case cbor_tag_handler_t::ignore: - { - switch (current) - { - case 0xD8: - { - std::uint8_t len{}; - get_number(input_format_t::cbor, len); - break; - } - case 0xD9: - { - std::uint16_t len{}; - get_number(input_format_t::cbor, len); - break; - } - case 0xDA: - { - std::uint32_t len{}; - get_number(input_format_t::cbor, len); - break; - } - case 0xDB: - { - std::uint64_t len{}; - get_number(input_format_t::cbor, len); - break; - } - default: - break; - } - return parse_cbor_internal(true, tag_handler); - } - - default: // LCOV_EXCL_LINE - JSON_ASSERT(false); // LCOV_EXCL_LINE - } - } - - case 0xF4: // false - return sax->boolean(false); - - case 0xF5: // true - return sax->boolean(true); - - case 0xF6: // null - return sax->null(); - - case 0xF9: // Half-Precision Float (two-byte IEEE 754) - { - const auto byte1_raw = get(); - if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::cbor, "number"))) - { - return false; - } - const auto byte2_raw = get(); - if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::cbor, "number"))) - { - return false; - } - - const auto byte1 = static_cast(byte1_raw); - const auto byte2 = static_cast(byte2_raw); - - // code from RFC 7049, Appendix D, Figure 3: - // As half-precision floating-point numbers were only added - // to IEEE 754 in 2008, today's programming platforms often - // still only have limited support for them. It is very - // easy to include at least decoding support for them even - // without such support. An example of a small decoder for - // half-precision floating-point numbers in the C language - // is shown in Fig. 3. - const auto half = static_cast((byte1 << 8u) + byte2); - const double val = [&half] - { - const int exp = (half >> 10u) & 0x1Fu; - const unsigned int mant = half & 0x3FFu; - JSON_ASSERT(0 <= exp&& exp <= 32); - JSON_ASSERT(mant <= 1024); - switch (exp) - { - case 0: - return std::ldexp(mant, -24); - case 31: - return (mant == 0) - ? std::numeric_limits::infinity() - : std::numeric_limits::quiet_NaN(); - default: - return std::ldexp(mant + 1024, exp - 25); - } - }(); - return sax->number_float((half & 0x8000u) != 0 - ? static_cast(-val) - : static_cast(val), ""); - } - - case 0xFA: // Single-Precision Float (four-byte IEEE 754) - { - float number{}; - return get_number(input_format_t::cbor, number) && sax->number_float(static_cast(number), ""); - } - - case 0xFB: // Double-Precision Float (eight-byte IEEE 754) - { - double number{}; - return get_number(input_format_t::cbor, number) && sax->number_float(static_cast(number), ""); - } - - default: // anything else (0xFF is handled inside the other types) - { - auto last_token = get_token_string(); - return sax->parse_error(chars_read, last_token, parse_error::create(112, chars_read, exception_message(input_format_t::cbor, "invalid byte: 0x" + last_token, "value"))); - } - } - } - - /*! - @brief reads a CBOR string - - This function first reads starting bytes to determine the expected - string length and then copies this number of bytes into a string. - Additionally, CBOR's strings with indefinite lengths are supported. - - @param[out] result created string - - @return whether string creation completed - */ - bool get_cbor_string(string_t& result) - { - if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::cbor, "string"))) - { - return false; - } - - switch (current) - { - // UTF-8 string (0x00..0x17 bytes follow) - case 0x60: - case 0x61: - case 0x62: - case 0x63: - case 0x64: - case 0x65: - case 0x66: - case 0x67: - case 0x68: - case 0x69: - case 0x6A: - case 0x6B: - case 0x6C: - case 0x6D: - case 0x6E: - case 0x6F: - case 0x70: - case 0x71: - case 0x72: - case 0x73: - case 0x74: - case 0x75: - case 0x76: - case 0x77: - { - return get_string(input_format_t::cbor, static_cast(current) & 0x1Fu, result); - } - - case 0x78: // UTF-8 string (one-byte uint8_t for n follows) - { - std::uint8_t len{}; - return get_number(input_format_t::cbor, len) && get_string(input_format_t::cbor, len, result); - } - - case 0x79: // UTF-8 string (two-byte uint16_t for n follow) - { - std::uint16_t len{}; - return get_number(input_format_t::cbor, len) && get_string(input_format_t::cbor, len, result); - } - - case 0x7A: // UTF-8 string (four-byte uint32_t for n follow) - { - std::uint32_t len{}; - return get_number(input_format_t::cbor, len) && get_string(input_format_t::cbor, len, result); - } - - case 0x7B: // UTF-8 string (eight-byte uint64_t for n follow) - { - std::uint64_t len{}; - return get_number(input_format_t::cbor, len) && get_string(input_format_t::cbor, len, result); - } - - case 0x7F: // UTF-8 string (indefinite length) - { - while (get() != 0xFF) - { - string_t chunk; - if (!get_cbor_string(chunk)) - { - return false; - } - result.append(chunk); - } - return true; - } - - default: - { - auto last_token = get_token_string(); - return sax->parse_error(chars_read, last_token, parse_error::create(113, chars_read, exception_message(input_format_t::cbor, "expected length specification (0x60-0x7B) or indefinite string type (0x7F); last byte: 0x" + last_token, "string"))); - } - } - } - - /*! - @brief reads a CBOR byte array - - This function first reads starting bytes to determine the expected - byte array length and then copies this number of bytes into the byte array. - Additionally, CBOR's byte arrays with indefinite lengths are supported. - - @param[out] result created byte array - - @return whether byte array creation completed - */ - bool get_cbor_binary(binary_t& result) - { - if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::cbor, "binary"))) - { - return false; - } - - switch (current) - { - // Binary data (0x00..0x17 bytes follow) - case 0x40: - case 0x41: - case 0x42: - case 0x43: - case 0x44: - case 0x45: - case 0x46: - case 0x47: - case 0x48: - case 0x49: - case 0x4A: - case 0x4B: - case 0x4C: - case 0x4D: - case 0x4E: - case 0x4F: - case 0x50: - case 0x51: - case 0x52: - case 0x53: - case 0x54: - case 0x55: - case 0x56: - case 0x57: - { - return get_binary(input_format_t::cbor, static_cast(current) & 0x1Fu, result); - } - - case 0x58: // Binary data (one-byte uint8_t for n follows) - { - std::uint8_t len{}; - return get_number(input_format_t::cbor, len) && - get_binary(input_format_t::cbor, len, result); - } - - case 0x59: // Binary data (two-byte uint16_t for n follow) - { - std::uint16_t len{}; - return get_number(input_format_t::cbor, len) && - get_binary(input_format_t::cbor, len, result); - } - - case 0x5A: // Binary data (four-byte uint32_t for n follow) - { - std::uint32_t len{}; - return get_number(input_format_t::cbor, len) && - get_binary(input_format_t::cbor, len, result); - } - - case 0x5B: // Binary data (eight-byte uint64_t for n follow) - { - std::uint64_t len{}; - return get_number(input_format_t::cbor, len) && - get_binary(input_format_t::cbor, len, result); - } - - case 0x5F: // Binary data (indefinite length) - { - while (get() != 0xFF) - { - binary_t chunk; - if (!get_cbor_binary(chunk)) - { - return false; - } - result.insert(result.end(), chunk.begin(), chunk.end()); - } - return true; - } - - default: - { - auto last_token = get_token_string(); - return sax->parse_error(chars_read, last_token, parse_error::create(113, chars_read, exception_message(input_format_t::cbor, "expected length specification (0x40-0x5B) or indefinite binary array type (0x5F); last byte: 0x" + last_token, "binary"))); - } - } - } - - /*! - @param[in] len the length of the array or std::size_t(-1) for an - array of indefinite size - @param[in] tag_handler how CBOR tags should be treated - @return whether array creation completed - */ - bool get_cbor_array(const std::size_t len, - const cbor_tag_handler_t tag_handler) - { - if (JSON_HEDLEY_UNLIKELY(!sax->start_array(len))) - { - return false; - } - - if (len != std::size_t(-1)) - { - for (std::size_t i = 0; i < len; ++i) - { - if (JSON_HEDLEY_UNLIKELY(!parse_cbor_internal(true, tag_handler))) - { - return false; - } - } - } - else - { - while (get() != 0xFF) - { - if (JSON_HEDLEY_UNLIKELY(!parse_cbor_internal(false, tag_handler))) - { - return false; - } - } - } - - return sax->end_array(); - } - - /*! - @param[in] len the length of the object or std::size_t(-1) for an - object of indefinite size - @param[in] tag_handler how CBOR tags should be treated - @return whether object creation completed - */ - bool get_cbor_object(const std::size_t len, - const cbor_tag_handler_t tag_handler) - { - if (JSON_HEDLEY_UNLIKELY(!sax->start_object(len))) - { - return false; - } - - string_t key; - if (len != std::size_t(-1)) - { - for (std::size_t i = 0; i < len; ++i) - { - get(); - if (JSON_HEDLEY_UNLIKELY(!get_cbor_string(key) || !sax->key(key))) - { - return false; - } - - if (JSON_HEDLEY_UNLIKELY(!parse_cbor_internal(true, tag_handler))) - { - return false; - } - key.clear(); - } - } - else - { - while (get() != 0xFF) - { - if (JSON_HEDLEY_UNLIKELY(!get_cbor_string(key) || !sax->key(key))) - { - return false; - } - - if (JSON_HEDLEY_UNLIKELY(!parse_cbor_internal(true, tag_handler))) - { - return false; - } - key.clear(); - } - } - - return sax->end_object(); - } - - ///////////// - // MsgPack // - ///////////// - - /*! - @return whether a valid MessagePack value was passed to the SAX parser - */ - bool parse_msgpack_internal() - { - switch (get()) - { - // EOF - case std::char_traits::eof(): - return unexpect_eof(input_format_t::msgpack, "value"); - - // positive fixint - case 0x00: - case 0x01: - case 0x02: - case 0x03: - case 0x04: - case 0x05: - case 0x06: - case 0x07: - case 0x08: - case 0x09: - case 0x0A: - case 0x0B: - case 0x0C: - case 0x0D: - case 0x0E: - case 0x0F: - case 0x10: - case 0x11: - case 0x12: - case 0x13: - case 0x14: - case 0x15: - case 0x16: - case 0x17: - case 0x18: - case 0x19: - case 0x1A: - case 0x1B: - case 0x1C: - case 0x1D: - case 0x1E: - case 0x1F: - case 0x20: - case 0x21: - case 0x22: - case 0x23: - case 0x24: - case 0x25: - case 0x26: - case 0x27: - case 0x28: - case 0x29: - case 0x2A: - case 0x2B: - case 0x2C: - case 0x2D: - case 0x2E: - case 0x2F: - case 0x30: - case 0x31: - case 0x32: - case 0x33: - case 0x34: - case 0x35: - case 0x36: - case 0x37: - case 0x38: - case 0x39: - case 0x3A: - case 0x3B: - case 0x3C: - case 0x3D: - case 0x3E: - case 0x3F: - case 0x40: - case 0x41: - case 0x42: - case 0x43: - case 0x44: - case 0x45: - case 0x46: - case 0x47: - case 0x48: - case 0x49: - case 0x4A: - case 0x4B: - case 0x4C: - case 0x4D: - case 0x4E: - case 0x4F: - case 0x50: - case 0x51: - case 0x52: - case 0x53: - case 0x54: - case 0x55: - case 0x56: - case 0x57: - case 0x58: - case 0x59: - case 0x5A: - case 0x5B: - case 0x5C: - case 0x5D: - case 0x5E: - case 0x5F: - case 0x60: - case 0x61: - case 0x62: - case 0x63: - case 0x64: - case 0x65: - case 0x66: - case 0x67: - case 0x68: - case 0x69: - case 0x6A: - case 0x6B: - case 0x6C: - case 0x6D: - case 0x6E: - case 0x6F: - case 0x70: - case 0x71: - case 0x72: - case 0x73: - case 0x74: - case 0x75: - case 0x76: - case 0x77: - case 0x78: - case 0x79: - case 0x7A: - case 0x7B: - case 0x7C: - case 0x7D: - case 0x7E: - case 0x7F: - return sax->number_unsigned(static_cast(current)); - - // fixmap - case 0x80: - case 0x81: - case 0x82: - case 0x83: - case 0x84: - case 0x85: - case 0x86: - case 0x87: - case 0x88: - case 0x89: - case 0x8A: - case 0x8B: - case 0x8C: - case 0x8D: - case 0x8E: - case 0x8F: - return get_msgpack_object(static_cast(static_cast(current) & 0x0Fu)); - - // fixarray - case 0x90: - case 0x91: - case 0x92: - case 0x93: - case 0x94: - case 0x95: - case 0x96: - case 0x97: - case 0x98: - case 0x99: - case 0x9A: - case 0x9B: - case 0x9C: - case 0x9D: - case 0x9E: - case 0x9F: - return get_msgpack_array(static_cast(static_cast(current) & 0x0Fu)); - - // fixstr - case 0xA0: - case 0xA1: - case 0xA2: - case 0xA3: - case 0xA4: - case 0xA5: - case 0xA6: - case 0xA7: - case 0xA8: - case 0xA9: - case 0xAA: - case 0xAB: - case 0xAC: - case 0xAD: - case 0xAE: - case 0xAF: - case 0xB0: - case 0xB1: - case 0xB2: - case 0xB3: - case 0xB4: - case 0xB5: - case 0xB6: - case 0xB7: - case 0xB8: - case 0xB9: - case 0xBA: - case 0xBB: - case 0xBC: - case 0xBD: - case 0xBE: - case 0xBF: - case 0xD9: // str 8 - case 0xDA: // str 16 - case 0xDB: // str 32 - { - string_t s; - return get_msgpack_string(s) && sax->string(s); - } - - case 0xC0: // nil - return sax->null(); - - case 0xC2: // false - return sax->boolean(false); - - case 0xC3: // true - return sax->boolean(true); - - case 0xC4: // bin 8 - case 0xC5: // bin 16 - case 0xC6: // bin 32 - case 0xC7: // ext 8 - case 0xC8: // ext 16 - case 0xC9: // ext 32 - case 0xD4: // fixext 1 - case 0xD5: // fixext 2 - case 0xD6: // fixext 4 - case 0xD7: // fixext 8 - case 0xD8: // fixext 16 - { - binary_t b; - return get_msgpack_binary(b) && sax->binary(b); - } - - case 0xCA: // float 32 - { - float number{}; - return get_number(input_format_t::msgpack, number) && sax->number_float(static_cast(number), ""); - } - - case 0xCB: // float 64 - { - double number{}; - return get_number(input_format_t::msgpack, number) && sax->number_float(static_cast(number), ""); - } - - case 0xCC: // uint 8 - { - std::uint8_t number{}; - return get_number(input_format_t::msgpack, number) && sax->number_unsigned(number); - } - - case 0xCD: // uint 16 - { - std::uint16_t number{}; - return get_number(input_format_t::msgpack, number) && sax->number_unsigned(number); - } - - case 0xCE: // uint 32 - { - std::uint32_t number{}; - return get_number(input_format_t::msgpack, number) && sax->number_unsigned(number); - } - - case 0xCF: // uint 64 - { - std::uint64_t number{}; - return get_number(input_format_t::msgpack, number) && sax->number_unsigned(number); - } - - case 0xD0: // int 8 - { - std::int8_t number{}; - return get_number(input_format_t::msgpack, number) && sax->number_integer(number); - } - - case 0xD1: // int 16 - { - std::int16_t number{}; - return get_number(input_format_t::msgpack, number) && sax->number_integer(number); - } - - case 0xD2: // int 32 - { - std::int32_t number{}; - return get_number(input_format_t::msgpack, number) && sax->number_integer(number); - } - - case 0xD3: // int 64 - { - std::int64_t number{}; - return get_number(input_format_t::msgpack, number) && sax->number_integer(number); - } - - case 0xDC: // array 16 - { - std::uint16_t len{}; - return get_number(input_format_t::msgpack, len) && get_msgpack_array(static_cast(len)); - } - - case 0xDD: // array 32 - { - std::uint32_t len{}; - return get_number(input_format_t::msgpack, len) && get_msgpack_array(static_cast(len)); - } - - case 0xDE: // map 16 - { - std::uint16_t len{}; - return get_number(input_format_t::msgpack, len) && get_msgpack_object(static_cast(len)); - } - - case 0xDF: // map 32 - { - std::uint32_t len{}; - return get_number(input_format_t::msgpack, len) && get_msgpack_object(static_cast(len)); - } - - // negative fixint - case 0xE0: - case 0xE1: - case 0xE2: - case 0xE3: - case 0xE4: - case 0xE5: - case 0xE6: - case 0xE7: - case 0xE8: - case 0xE9: - case 0xEA: - case 0xEB: - case 0xEC: - case 0xED: - case 0xEE: - case 0xEF: - case 0xF0: - case 0xF1: - case 0xF2: - case 0xF3: - case 0xF4: - case 0xF5: - case 0xF6: - case 0xF7: - case 0xF8: - case 0xF9: - case 0xFA: - case 0xFB: - case 0xFC: - case 0xFD: - case 0xFE: - case 0xFF: - return sax->number_integer(static_cast(current)); - - default: // anything else - { - auto last_token = get_token_string(); - return sax->parse_error(chars_read, last_token, parse_error::create(112, chars_read, exception_message(input_format_t::msgpack, "invalid byte: 0x" + last_token, "value"))); - } - } - } - - /*! - @brief reads a MessagePack string - - This function first reads starting bytes to determine the expected - string length and then copies this number of bytes into a string. - - @param[out] result created string - - @return whether string creation completed - */ - bool get_msgpack_string(string_t& result) - { - if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::msgpack, "string"))) - { - return false; - } - - switch (current) - { - // fixstr - case 0xA0: - case 0xA1: - case 0xA2: - case 0xA3: - case 0xA4: - case 0xA5: - case 0xA6: - case 0xA7: - case 0xA8: - case 0xA9: - case 0xAA: - case 0xAB: - case 0xAC: - case 0xAD: - case 0xAE: - case 0xAF: - case 0xB0: - case 0xB1: - case 0xB2: - case 0xB3: - case 0xB4: - case 0xB5: - case 0xB6: - case 0xB7: - case 0xB8: - case 0xB9: - case 0xBA: - case 0xBB: - case 0xBC: - case 0xBD: - case 0xBE: - case 0xBF: - { - return get_string(input_format_t::msgpack, static_cast(current) & 0x1Fu, result); - } - - case 0xD9: // str 8 - { - std::uint8_t len{}; - return get_number(input_format_t::msgpack, len) && get_string(input_format_t::msgpack, len, result); - } - - case 0xDA: // str 16 - { - std::uint16_t len{}; - return get_number(input_format_t::msgpack, len) && get_string(input_format_t::msgpack, len, result); - } - - case 0xDB: // str 32 - { - std::uint32_t len{}; - return get_number(input_format_t::msgpack, len) && get_string(input_format_t::msgpack, len, result); - } - - default: - { - auto last_token = get_token_string(); - return sax->parse_error(chars_read, last_token, parse_error::create(113, chars_read, exception_message(input_format_t::msgpack, "expected length specification (0xA0-0xBF, 0xD9-0xDB); last byte: 0x" + last_token, "string"))); - } - } - } - - /*! - @brief reads a MessagePack byte array - - This function first reads starting bytes to determine the expected - byte array length and then copies this number of bytes into a byte array. - - @param[out] result created byte array - - @return whether byte array creation completed - */ - bool get_msgpack_binary(binary_t& result) - { - // helper function to set the subtype - auto assign_and_return_true = [&result](std::int8_t subtype) - { - result.set_subtype(static_cast(subtype)); - return true; - }; - - switch (current) - { - case 0xC4: // bin 8 - { - std::uint8_t len{}; - return get_number(input_format_t::msgpack, len) && - get_binary(input_format_t::msgpack, len, result); - } - - case 0xC5: // bin 16 - { - std::uint16_t len{}; - return get_number(input_format_t::msgpack, len) && - get_binary(input_format_t::msgpack, len, result); - } - - case 0xC6: // bin 32 - { - std::uint32_t len{}; - return get_number(input_format_t::msgpack, len) && - get_binary(input_format_t::msgpack, len, result); - } - - case 0xC7: // ext 8 - { - std::uint8_t len{}; - std::int8_t subtype{}; - return get_number(input_format_t::msgpack, len) && - get_number(input_format_t::msgpack, subtype) && - get_binary(input_format_t::msgpack, len, result) && - assign_and_return_true(subtype); - } - - case 0xC8: // ext 16 - { - std::uint16_t len{}; - std::int8_t subtype{}; - return get_number(input_format_t::msgpack, len) && - get_number(input_format_t::msgpack, subtype) && - get_binary(input_format_t::msgpack, len, result) && - assign_and_return_true(subtype); - } - - case 0xC9: // ext 32 - { - std::uint32_t len{}; - std::int8_t subtype{}; - return get_number(input_format_t::msgpack, len) && - get_number(input_format_t::msgpack, subtype) && - get_binary(input_format_t::msgpack, len, result) && - assign_and_return_true(subtype); - } - - case 0xD4: // fixext 1 - { - std::int8_t subtype{}; - return get_number(input_format_t::msgpack, subtype) && - get_binary(input_format_t::msgpack, 1, result) && - assign_and_return_true(subtype); - } - - case 0xD5: // fixext 2 - { - std::int8_t subtype{}; - return get_number(input_format_t::msgpack, subtype) && - get_binary(input_format_t::msgpack, 2, result) && - assign_and_return_true(subtype); - } - - case 0xD6: // fixext 4 - { - std::int8_t subtype{}; - return get_number(input_format_t::msgpack, subtype) && - get_binary(input_format_t::msgpack, 4, result) && - assign_and_return_true(subtype); - } - - case 0xD7: // fixext 8 - { - std::int8_t subtype{}; - return get_number(input_format_t::msgpack, subtype) && - get_binary(input_format_t::msgpack, 8, result) && - assign_and_return_true(subtype); - } - - case 0xD8: // fixext 16 - { - std::int8_t subtype{}; - return get_number(input_format_t::msgpack, subtype) && - get_binary(input_format_t::msgpack, 16, result) && - assign_and_return_true(subtype); - } - - default: // LCOV_EXCL_LINE - return false; // LCOV_EXCL_LINE - } - } - - /*! - @param[in] len the length of the array - @return whether array creation completed - */ - bool get_msgpack_array(const std::size_t len) - { - if (JSON_HEDLEY_UNLIKELY(!sax->start_array(len))) - { - return false; - } - - for (std::size_t i = 0; i < len; ++i) - { - if (JSON_HEDLEY_UNLIKELY(!parse_msgpack_internal())) - { - return false; - } - } - - return sax->end_array(); - } - - /*! - @param[in] len the length of the object - @return whether object creation completed - */ - bool get_msgpack_object(const std::size_t len) - { - if (JSON_HEDLEY_UNLIKELY(!sax->start_object(len))) - { - return false; - } - - string_t key; - for (std::size_t i = 0; i < len; ++i) - { - get(); - if (JSON_HEDLEY_UNLIKELY(!get_msgpack_string(key) || !sax->key(key))) - { - return false; - } - - if (JSON_HEDLEY_UNLIKELY(!parse_msgpack_internal())) - { - return false; - } - key.clear(); - } - - return sax->end_object(); - } - - //////////// - // UBJSON // - //////////// - - /*! - @param[in] get_char whether a new character should be retrieved from the - input (true, default) or whether the last read - character should be considered instead - - @return whether a valid UBJSON value was passed to the SAX parser - */ - bool parse_ubjson_internal(const bool get_char = true) - { - return get_ubjson_value(get_char ? get_ignore_noop() : current); - } - - /*! - @brief reads a UBJSON string - - This function is either called after reading the 'S' byte explicitly - indicating a string, or in case of an object key where the 'S' byte can be - left out. - - @param[out] result created string - @param[in] get_char whether a new character should be retrieved from the - input (true, default) or whether the last read - character should be considered instead - - @return whether string creation completed - */ - bool get_ubjson_string(string_t& result, const bool get_char = true) - { - if (get_char) - { - get(); // TODO(niels): may we ignore N here? - } - - if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::ubjson, "value"))) - { - return false; - } - - switch (current) - { - case 'U': - { - std::uint8_t len{}; - return get_number(input_format_t::ubjson, len) && get_string(input_format_t::ubjson, len, result); - } - - case 'i': - { - std::int8_t len{}; - return get_number(input_format_t::ubjson, len) && get_string(input_format_t::ubjson, len, result); - } - - case 'I': - { - std::int16_t len{}; - return get_number(input_format_t::ubjson, len) && get_string(input_format_t::ubjson, len, result); - } - - case 'l': - { - std::int32_t len{}; - return get_number(input_format_t::ubjson, len) && get_string(input_format_t::ubjson, len, result); - } - - case 'L': - { - std::int64_t len{}; - return get_number(input_format_t::ubjson, len) && get_string(input_format_t::ubjson, len, result); - } - - default: - auto last_token = get_token_string(); - return sax->parse_error(chars_read, last_token, parse_error::create(113, chars_read, exception_message(input_format_t::ubjson, "expected length type specification (U, i, I, l, L); last byte: 0x" + last_token, "string"))); - } - } - - /*! - @param[out] result determined size - @return whether size determination completed - */ - bool get_ubjson_size_value(std::size_t& result) - { - switch (get_ignore_noop()) - { - case 'U': - { - std::uint8_t number{}; - if (JSON_HEDLEY_UNLIKELY(!get_number(input_format_t::ubjson, number))) - { - return false; - } - result = static_cast(number); - return true; - } - - case 'i': - { - std::int8_t number{}; - if (JSON_HEDLEY_UNLIKELY(!get_number(input_format_t::ubjson, number))) - { - return false; - } - result = static_cast(number); - return true; - } - - case 'I': - { - std::int16_t number{}; - if (JSON_HEDLEY_UNLIKELY(!get_number(input_format_t::ubjson, number))) - { - return false; - } - result = static_cast(number); - return true; - } - - case 'l': - { - std::int32_t number{}; - if (JSON_HEDLEY_UNLIKELY(!get_number(input_format_t::ubjson, number))) - { - return false; - } - result = static_cast(number); - return true; - } - - case 'L': - { - std::int64_t number{}; - if (JSON_HEDLEY_UNLIKELY(!get_number(input_format_t::ubjson, number))) - { - return false; - } - result = static_cast(number); - return true; - } - - default: - { - auto last_token = get_token_string(); - return sax->parse_error(chars_read, last_token, parse_error::create(113, chars_read, exception_message(input_format_t::ubjson, "expected length type specification (U, i, I, l, L) after '#'; last byte: 0x" + last_token, "size"))); - } - } - } - - /*! - @brief determine the type and size for a container - - In the optimized UBJSON format, a type and a size can be provided to allow - for a more compact representation. - - @param[out] result pair of the size and the type - - @return whether pair creation completed - */ - bool get_ubjson_size_type(std::pair& result) - { - result.first = string_t::npos; // size - result.second = 0; // type - - get_ignore_noop(); - - if (current == '$') - { - result.second = get(); // must not ignore 'N', because 'N' maybe the type - if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::ubjson, "type"))) - { - return false; - } - - get_ignore_noop(); - if (JSON_HEDLEY_UNLIKELY(current != '#')) - { - if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::ubjson, "value"))) - { - return false; - } - auto last_token = get_token_string(); - return sax->parse_error(chars_read, last_token, parse_error::create(112, chars_read, exception_message(input_format_t::ubjson, "expected '#' after type information; last byte: 0x" + last_token, "size"))); - } - - return get_ubjson_size_value(result.first); - } - - if (current == '#') - { - return get_ubjson_size_value(result.first); - } - - return true; - } - - /*! - @param prefix the previously read or set type prefix - @return whether value creation completed - */ - bool get_ubjson_value(const char_int_type prefix) - { - switch (prefix) - { - case std::char_traits::eof(): // EOF - return unexpect_eof(input_format_t::ubjson, "value"); - - case 'T': // true - return sax->boolean(true); - case 'F': // false - return sax->boolean(false); - - case 'Z': // null - return sax->null(); - - case 'U': - { - std::uint8_t number{}; - return get_number(input_format_t::ubjson, number) && sax->number_unsigned(number); - } - - case 'i': - { - std::int8_t number{}; - return get_number(input_format_t::ubjson, number) && sax->number_integer(number); - } - - case 'I': - { - std::int16_t number{}; - return get_number(input_format_t::ubjson, number) && sax->number_integer(number); - } - - case 'l': - { - std::int32_t number{}; - return get_number(input_format_t::ubjson, number) && sax->number_integer(number); - } - - case 'L': - { - std::int64_t number{}; - return get_number(input_format_t::ubjson, number) && sax->number_integer(number); - } - - case 'd': - { - float number{}; - return get_number(input_format_t::ubjson, number) && sax->number_float(static_cast(number), ""); - } - - case 'D': - { - double number{}; - return get_number(input_format_t::ubjson, number) && sax->number_float(static_cast(number), ""); - } - - case 'H': - { - return get_ubjson_high_precision_number(); - } - - case 'C': // char - { - get(); - if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::ubjson, "char"))) - { - return false; - } - if (JSON_HEDLEY_UNLIKELY(current > 127)) - { - auto last_token = get_token_string(); - return sax->parse_error(chars_read, last_token, parse_error::create(113, chars_read, exception_message(input_format_t::ubjson, "byte after 'C' must be in range 0x00..0x7F; last byte: 0x" + last_token, "char"))); - } - string_t s(1, static_cast(current)); - return sax->string(s); - } - - case 'S': // string - { - string_t s; - return get_ubjson_string(s) && sax->string(s); - } - - case '[': // array - return get_ubjson_array(); - - case '{': // object - return get_ubjson_object(); - - default: // anything else - { - auto last_token = get_token_string(); - return sax->parse_error(chars_read, last_token, parse_error::create(112, chars_read, exception_message(input_format_t::ubjson, "invalid byte: 0x" + last_token, "value"))); - } - } - } - - /*! - @return whether array creation completed - */ - bool get_ubjson_array() - { - std::pair size_and_type; - if (JSON_HEDLEY_UNLIKELY(!get_ubjson_size_type(size_and_type))) - { - return false; - } - - if (size_and_type.first != string_t::npos) - { - if (JSON_HEDLEY_UNLIKELY(!sax->start_array(size_and_type.first))) - { - return false; - } - - if (size_and_type.second != 0) - { - if (size_and_type.second != 'N') - { - for (std::size_t i = 0; i < size_and_type.first; ++i) - { - if (JSON_HEDLEY_UNLIKELY(!get_ubjson_value(size_and_type.second))) - { - return false; - } - } - } - } - else - { - for (std::size_t i = 0; i < size_and_type.first; ++i) - { - if (JSON_HEDLEY_UNLIKELY(!parse_ubjson_internal())) - { - return false; - } - } - } - } - else - { - if (JSON_HEDLEY_UNLIKELY(!sax->start_array(std::size_t(-1)))) - { - return false; - } - - while (current != ']') - { - if (JSON_HEDLEY_UNLIKELY(!parse_ubjson_internal(false))) - { - return false; - } - get_ignore_noop(); - } - } - - return sax->end_array(); - } - - /*! - @return whether object creation completed - */ - bool get_ubjson_object() - { - std::pair size_and_type; - if (JSON_HEDLEY_UNLIKELY(!get_ubjson_size_type(size_and_type))) - { - return false; - } - - string_t key; - if (size_and_type.first != string_t::npos) - { - if (JSON_HEDLEY_UNLIKELY(!sax->start_object(size_and_type.first))) - { - return false; - } - - if (size_and_type.second != 0) - { - for (std::size_t i = 0; i < size_and_type.first; ++i) - { - if (JSON_HEDLEY_UNLIKELY(!get_ubjson_string(key) || !sax->key(key))) - { - return false; - } - if (JSON_HEDLEY_UNLIKELY(!get_ubjson_value(size_and_type.second))) - { - return false; - } - key.clear(); - } - } - else - { - for (std::size_t i = 0; i < size_and_type.first; ++i) - { - if (JSON_HEDLEY_UNLIKELY(!get_ubjson_string(key) || !sax->key(key))) - { - return false; - } - if (JSON_HEDLEY_UNLIKELY(!parse_ubjson_internal())) - { - return false; - } - key.clear(); - } - } - } - else - { - if (JSON_HEDLEY_UNLIKELY(!sax->start_object(std::size_t(-1)))) - { - return false; - } - - while (current != '}') - { - if (JSON_HEDLEY_UNLIKELY(!get_ubjson_string(key, false) || !sax->key(key))) - { - return false; - } - if (JSON_HEDLEY_UNLIKELY(!parse_ubjson_internal())) - { - return false; - } - get_ignore_noop(); - key.clear(); - } - } - - return sax->end_object(); - } - - // Note, no reader for UBJSON binary types is implemented because they do - // not exist - - bool get_ubjson_high_precision_number() - { - // get size of following number string - std::size_t size{}; - auto res = get_ubjson_size_value(size); - if (JSON_HEDLEY_UNLIKELY(!res)) - { - return res; - } - - // get number string - std::vector number_vector; - for (std::size_t i = 0; i < size; ++i) - { - get(); - if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::ubjson, "number"))) - { - return false; - } - number_vector.push_back(static_cast(current)); - } - - // parse number string - auto number_ia = detail::input_adapter(std::forward(number_vector)); - auto number_lexer = detail::lexer(std::move(number_ia), false); - const auto result_number = number_lexer.scan(); - const auto number_string = number_lexer.get_token_string(); - const auto result_remainder = number_lexer.scan(); - - using token_type = typename detail::lexer_base::token_type; - - if (JSON_HEDLEY_UNLIKELY(result_remainder != token_type::end_of_input)) - { - return sax->parse_error(chars_read, number_string, parse_error::create(115, chars_read, exception_message(input_format_t::ubjson, "invalid number text: " + number_lexer.get_token_string(), "high-precision number"))); - } - - switch (result_number) - { - case token_type::value_integer: - return sax->number_integer(number_lexer.get_number_integer()); - case token_type::value_unsigned: - return sax->number_unsigned(number_lexer.get_number_unsigned()); - case token_type::value_float: - return sax->number_float(number_lexer.get_number_float(), std::move(number_string)); - default: - return sax->parse_error(chars_read, number_string, parse_error::create(115, chars_read, exception_message(input_format_t::ubjson, "invalid number text: " + number_lexer.get_token_string(), "high-precision number"))); - } - } - - /////////////////////// - // Utility functions // - /////////////////////// - - /*! - @brief get next character from the input - - This function provides the interface to the used input adapter. It does - not throw in case the input reached EOF, but returns a -'ve valued - `std::char_traits::eof()` in that case. - - @return character read from the input - */ - char_int_type get() - { - ++chars_read; - return current = ia.get_character(); - } - - /*! - @return character read from the input after ignoring all 'N' entries - */ - char_int_type get_ignore_noop() - { - do - { - get(); - } - while (current == 'N'); - - return current; - } - - /* - @brief read a number from the input - - @tparam NumberType the type of the number - @param[in] format the current format (for diagnostics) - @param[out] result number of type @a NumberType - - @return whether conversion completed - - @note This function needs to respect the system's endianess, because - bytes in CBOR, MessagePack, and UBJSON are stored in network order - (big endian) and therefore need reordering on little endian systems. - */ - template - bool get_number(const input_format_t format, NumberType& result) - { - // step 1: read input into array with system's byte order - std::array vec; - for (std::size_t i = 0; i < sizeof(NumberType); ++i) - { - get(); - if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(format, "number"))) - { - return false; - } - - // reverse byte order prior to conversion if necessary - if (is_little_endian != InputIsLittleEndian) - { - vec[sizeof(NumberType) - i - 1] = static_cast(current); - } - else - { - vec[i] = static_cast(current); // LCOV_EXCL_LINE - } - } - - // step 2: convert array into number of type T and return - std::memcpy(&result, vec.data(), sizeof(NumberType)); - return true; - } - - /*! - @brief create a string by reading characters from the input - - @tparam NumberType the type of the number - @param[in] format the current format (for diagnostics) - @param[in] len number of characters to read - @param[out] result string created by reading @a len bytes - - @return whether string creation completed - - @note We can not reserve @a len bytes for the result, because @a len - may be too large. Usually, @ref unexpect_eof() detects the end of - the input before we run out of string memory. - */ - template - bool get_string(const input_format_t format, - const NumberType len, - string_t& result) - { - bool success = true; - for (NumberType i = 0; i < len; i++) - { - get(); - if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(format, "string"))) - { - success = false; - break; - } - result.push_back(static_cast(current)); - }; - return success; - } - - /*! - @brief create a byte array by reading bytes from the input - - @tparam NumberType the type of the number - @param[in] format the current format (for diagnostics) - @param[in] len number of bytes to read - @param[out] result byte array created by reading @a len bytes - - @return whether byte array creation completed - - @note We can not reserve @a len bytes for the result, because @a len - may be too large. Usually, @ref unexpect_eof() detects the end of - the input before we run out of memory. - */ - template - bool get_binary(const input_format_t format, - const NumberType len, - binary_t& result) - { - bool success = true; - for (NumberType i = 0; i < len; i++) - { - get(); - if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(format, "binary"))) - { - success = false; - break; - } - result.push_back(static_cast(current)); - } - return success; - } - - /*! - @param[in] format the current format (for diagnostics) - @param[in] context further context information (for diagnostics) - @return whether the last read character is not EOF - */ - JSON_HEDLEY_NON_NULL(3) - bool unexpect_eof(const input_format_t format, const char* context) const - { - if (JSON_HEDLEY_UNLIKELY(current == std::char_traits::eof())) - { - return sax->parse_error(chars_read, "", - parse_error::create(110, chars_read, exception_message(format, "unexpected end of input", context))); - } - return true; - } - - /*! - @return a string representation of the last read byte - */ - std::string get_token_string() const - { - std::array cr{{}}; - (std::snprintf)(cr.data(), cr.size(), "%.2hhX", static_cast(current)); - return std::string{cr.data()}; - } - - /*! - @param[in] format the current format - @param[in] detail a detailed error message - @param[in] context further context information - @return a message string to use in the parse_error exceptions - */ - std::string exception_message(const input_format_t format, - const std::string& detail, - const std::string& context) const - { - std::string error_msg = "syntax error while parsing "; - - switch (format) - { - case input_format_t::cbor: - error_msg += "CBOR"; - break; - - case input_format_t::msgpack: - error_msg += "MessagePack"; - break; - - case input_format_t::ubjson: - error_msg += "UBJSON"; - break; - - case input_format_t::bson: - error_msg += "BSON"; - break; - - default: // LCOV_EXCL_LINE - JSON_ASSERT(false); // LCOV_EXCL_LINE - } - - return error_msg + " " + context + ": " + detail; - } - - private: - /// input adapter - InputAdapterType ia; - - /// the current character - char_int_type current = std::char_traits::eof(); - - /// the number of characters read - std::size_t chars_read = 0; - - /// whether we can assume little endianess - const bool is_little_endian = little_endianess(); - - /// the SAX parser - json_sax_t* sax = nullptr; -}; -} // namespace detail -} // namespace nlohmann - -// #include - -// #include - -// #include - - -#include // isfinite -#include // uint8_t -#include // function -#include // string -#include // move -#include // vector - -// #include - -// #include - -// #include - -// #include - -// #include - -// #include - -// #include - - -namespace nlohmann -{ -namespace detail -{ -//////////// -// parser // -//////////// - -enum class parse_event_t : uint8_t -{ - /// the parser read `{` and started to process a JSON object - object_start, - /// the parser read `}` and finished processing a JSON object - object_end, - /// the parser read `[` and started to process a JSON array - array_start, - /// the parser read `]` and finished processing a JSON array - array_end, - /// the parser read a key of a value in an object - key, - /// the parser finished reading a JSON value - value -}; - -template -using parser_callback_t = - std::function; - -/*! -@brief syntax analysis - -This class implements a recursive descent parser. -*/ -template -class parser -{ - using number_integer_t = typename BasicJsonType::number_integer_t; - using number_unsigned_t = typename BasicJsonType::number_unsigned_t; - using number_float_t = typename BasicJsonType::number_float_t; - using string_t = typename BasicJsonType::string_t; - using lexer_t = lexer; - using token_type = typename lexer_t::token_type; - - public: - /// a parser reading from an input adapter - explicit parser(InputAdapterType&& adapter, - const parser_callback_t cb = nullptr, - const bool allow_exceptions_ = true, - const bool skip_comments = false) - : callback(cb) - , m_lexer(std::move(adapter), skip_comments) - , allow_exceptions(allow_exceptions_) - { - // read first token - get_token(); - } - - /*! - @brief public parser interface - - @param[in] strict whether to expect the last token to be EOF - @param[in,out] result parsed JSON value - - @throw parse_error.101 in case of an unexpected token - @throw parse_error.102 if to_unicode fails or surrogate error - @throw parse_error.103 if to_unicode fails - */ - void parse(const bool strict, BasicJsonType& result) - { - if (callback) - { - json_sax_dom_callback_parser sdp(result, callback, allow_exceptions); - sax_parse_internal(&sdp); - result.assert_invariant(); - - // in strict mode, input must be completely read - if (strict && (get_token() != token_type::end_of_input)) - { - sdp.parse_error(m_lexer.get_position(), - m_lexer.get_token_string(), - parse_error::create(101, m_lexer.get_position(), - exception_message(token_type::end_of_input, "value"))); - } - - // in case of an error, return discarded value - if (sdp.is_errored()) - { - result = value_t::discarded; - return; - } - - // set top-level value to null if it was discarded by the callback - // function - if (result.is_discarded()) - { - result = nullptr; - } - } - else - { - json_sax_dom_parser sdp(result, allow_exceptions); - sax_parse_internal(&sdp); - result.assert_invariant(); - - // in strict mode, input must be completely read - if (strict && (get_token() != token_type::end_of_input)) - { - sdp.parse_error(m_lexer.get_position(), - m_lexer.get_token_string(), - parse_error::create(101, m_lexer.get_position(), - exception_message(token_type::end_of_input, "value"))); - } - - // in case of an error, return discarded value - if (sdp.is_errored()) - { - result = value_t::discarded; - return; - } - } - } - - /*! - @brief public accept interface - - @param[in] strict whether to expect the last token to be EOF - @return whether the input is a proper JSON text - */ - bool accept(const bool strict = true) - { - json_sax_acceptor sax_acceptor; - return sax_parse(&sax_acceptor, strict); - } - - template - JSON_HEDLEY_NON_NULL(2) - bool sax_parse(SAX* sax, const bool strict = true) - { - (void)detail::is_sax_static_asserts {}; - const bool result = sax_parse_internal(sax); - - // strict mode: next byte must be EOF - if (result && strict && (get_token() != token_type::end_of_input)) - { - return sax->parse_error(m_lexer.get_position(), - m_lexer.get_token_string(), - parse_error::create(101, m_lexer.get_position(), - exception_message(token_type::end_of_input, "value"))); - } - - return result; - } - - private: - template - JSON_HEDLEY_NON_NULL(2) - bool sax_parse_internal(SAX* sax) - { - // stack to remember the hierarchy of structured values we are parsing - // true = array; false = object - std::vector states; - // value to avoid a goto (see comment where set to true) - bool skip_to_state_evaluation = false; - - while (true) - { - if (!skip_to_state_evaluation) - { - // invariant: get_token() was called before each iteration - switch (last_token) - { - case token_type::begin_object: - { - if (JSON_HEDLEY_UNLIKELY(!sax->start_object(std::size_t(-1)))) - { - return false; - } - - // closing } -> we are done - if (get_token() == token_type::end_object) - { - if (JSON_HEDLEY_UNLIKELY(!sax->end_object())) - { - return false; - } - break; - } - - // parse key - if (JSON_HEDLEY_UNLIKELY(last_token != token_type::value_string)) - { - return sax->parse_error(m_lexer.get_position(), - m_lexer.get_token_string(), - parse_error::create(101, m_lexer.get_position(), - exception_message(token_type::value_string, "object key"))); - } - if (JSON_HEDLEY_UNLIKELY(!sax->key(m_lexer.get_string()))) - { - return false; - } - - // parse separator (:) - if (JSON_HEDLEY_UNLIKELY(get_token() != token_type::name_separator)) - { - return sax->parse_error(m_lexer.get_position(), - m_lexer.get_token_string(), - parse_error::create(101, m_lexer.get_position(), - exception_message(token_type::name_separator, "object separator"))); - } - - // remember we are now inside an object - states.push_back(false); - - // parse values - get_token(); - continue; - } - - case token_type::begin_array: - { - if (JSON_HEDLEY_UNLIKELY(!sax->start_array(std::size_t(-1)))) - { - return false; - } - - // closing ] -> we are done - if (get_token() == token_type::end_array) - { - if (JSON_HEDLEY_UNLIKELY(!sax->end_array())) - { - return false; - } - break; - } - - // remember we are now inside an array - states.push_back(true); - - // parse values (no need to call get_token) - continue; - } - - case token_type::value_float: - { - const auto res = m_lexer.get_number_float(); - - if (JSON_HEDLEY_UNLIKELY(!std::isfinite(res))) - { - return sax->parse_error(m_lexer.get_position(), - m_lexer.get_token_string(), - out_of_range::create(406, "number overflow parsing '" + m_lexer.get_token_string() + "'")); - } - - if (JSON_HEDLEY_UNLIKELY(!sax->number_float(res, m_lexer.get_string()))) - { - return false; - } - - break; - } - - case token_type::literal_false: - { - if (JSON_HEDLEY_UNLIKELY(!sax->boolean(false))) - { - return false; - } - break; - } - - case token_type::literal_null: - { - if (JSON_HEDLEY_UNLIKELY(!sax->null())) - { - return false; - } - break; - } - - case token_type::literal_true: - { - if (JSON_HEDLEY_UNLIKELY(!sax->boolean(true))) - { - return false; - } - break; - } - - case token_type::value_integer: - { - if (JSON_HEDLEY_UNLIKELY(!sax->number_integer(m_lexer.get_number_integer()))) - { - return false; - } - break; - } - - case token_type::value_string: - { - if (JSON_HEDLEY_UNLIKELY(!sax->string(m_lexer.get_string()))) - { - return false; - } - break; - } - - case token_type::value_unsigned: - { - if (JSON_HEDLEY_UNLIKELY(!sax->number_unsigned(m_lexer.get_number_unsigned()))) - { - return false; - } - break; - } - - case token_type::parse_error: - { - // using "uninitialized" to avoid "expected" message - return sax->parse_error(m_lexer.get_position(), - m_lexer.get_token_string(), - parse_error::create(101, m_lexer.get_position(), - exception_message(token_type::uninitialized, "value"))); - } - - default: // the last token was unexpected - { - return sax->parse_error(m_lexer.get_position(), - m_lexer.get_token_string(), - parse_error::create(101, m_lexer.get_position(), - exception_message(token_type::literal_or_value, "value"))); - } - } - } - else - { - skip_to_state_evaluation = false; - } - - // we reached this line after we successfully parsed a value - if (states.empty()) - { - // empty stack: we reached the end of the hierarchy: done - return true; - } - - if (states.back()) // array - { - // comma -> next value - if (get_token() == token_type::value_separator) - { - // parse a new value - get_token(); - continue; - } - - // closing ] - if (JSON_HEDLEY_LIKELY(last_token == token_type::end_array)) - { - if (JSON_HEDLEY_UNLIKELY(!sax->end_array())) - { - return false; - } - - // We are done with this array. Before we can parse a - // new value, we need to evaluate the new state first. - // By setting skip_to_state_evaluation to false, we - // are effectively jumping to the beginning of this if. - JSON_ASSERT(!states.empty()); - states.pop_back(); - skip_to_state_evaluation = true; - continue; - } - - return sax->parse_error(m_lexer.get_position(), - m_lexer.get_token_string(), - parse_error::create(101, m_lexer.get_position(), - exception_message(token_type::end_array, "array"))); - } - else // object - { - // comma -> next value - if (get_token() == token_type::value_separator) - { - // parse key - if (JSON_HEDLEY_UNLIKELY(get_token() != token_type::value_string)) - { - return sax->parse_error(m_lexer.get_position(), - m_lexer.get_token_string(), - parse_error::create(101, m_lexer.get_position(), - exception_message(token_type::value_string, "object key"))); - } - - if (JSON_HEDLEY_UNLIKELY(!sax->key(m_lexer.get_string()))) - { - return false; - } - - // parse separator (:) - if (JSON_HEDLEY_UNLIKELY(get_token() != token_type::name_separator)) - { - return sax->parse_error(m_lexer.get_position(), - m_lexer.get_token_string(), - parse_error::create(101, m_lexer.get_position(), - exception_message(token_type::name_separator, "object separator"))); - } - - // parse values - get_token(); - continue; - } - - // closing } - if (JSON_HEDLEY_LIKELY(last_token == token_type::end_object)) - { - if (JSON_HEDLEY_UNLIKELY(!sax->end_object())) - { - return false; - } - - // We are done with this object. Before we can parse a - // new value, we need to evaluate the new state first. - // By setting skip_to_state_evaluation to false, we - // are effectively jumping to the beginning of this if. - JSON_ASSERT(!states.empty()); - states.pop_back(); - skip_to_state_evaluation = true; - continue; - } - - return sax->parse_error(m_lexer.get_position(), - m_lexer.get_token_string(), - parse_error::create(101, m_lexer.get_position(), - exception_message(token_type::end_object, "object"))); - } - } - } - - /// get next token from lexer - token_type get_token() - { - return last_token = m_lexer.scan(); - } - - std::string exception_message(const token_type expected, const std::string& context) - { - std::string error_msg = "syntax error "; - - if (!context.empty()) - { - error_msg += "while parsing " + context + " "; - } - - error_msg += "- "; - - if (last_token == token_type::parse_error) - { - error_msg += std::string(m_lexer.get_error_message()) + "; last read: '" + - m_lexer.get_token_string() + "'"; - } - else - { - error_msg += "unexpected " + std::string(lexer_t::token_type_name(last_token)); - } - - if (expected != token_type::uninitialized) - { - error_msg += "; expected " + std::string(lexer_t::token_type_name(expected)); - } - - return error_msg; - } - - private: - /// callback function - const parser_callback_t callback = nullptr; - /// the type of the last read token - token_type last_token = token_type::uninitialized; - /// the lexer - lexer_t m_lexer; - /// whether to throw exceptions in case of errors - const bool allow_exceptions = true; -}; -} // namespace detail -} // namespace nlohmann - -// #include - - -// #include - - -#include // ptrdiff_t -#include // numeric_limits - -namespace nlohmann -{ -namespace detail -{ -/* -@brief an iterator for primitive JSON types - -This class models an iterator for primitive JSON types (boolean, number, -string). It's only purpose is to allow the iterator/const_iterator classes -to "iterate" over primitive values. Internally, the iterator is modeled by -a `difference_type` variable. Value begin_value (`0`) models the begin, -end_value (`1`) models past the end. -*/ -class primitive_iterator_t -{ - private: - using difference_type = std::ptrdiff_t; - static constexpr difference_type begin_value = 0; - static constexpr difference_type end_value = begin_value + 1; - - /// iterator as signed integer type - difference_type m_it = (std::numeric_limits::min)(); - - public: - constexpr difference_type get_value() const noexcept - { - return m_it; - } - - /// set iterator to a defined beginning - void set_begin() noexcept - { - m_it = begin_value; - } - - /// set iterator to a defined past the end - void set_end() noexcept - { - m_it = end_value; - } - - /// return whether the iterator can be dereferenced - constexpr bool is_begin() const noexcept - { - return m_it == begin_value; - } - - /// return whether the iterator is at end - constexpr bool is_end() const noexcept - { - return m_it == end_value; - } - - friend constexpr bool operator==(primitive_iterator_t lhs, primitive_iterator_t rhs) noexcept - { - return lhs.m_it == rhs.m_it; - } - - friend constexpr bool operator<(primitive_iterator_t lhs, primitive_iterator_t rhs) noexcept - { - return lhs.m_it < rhs.m_it; - } - - primitive_iterator_t operator+(difference_type n) noexcept - { - auto result = *this; - result += n; - return result; - } - - friend constexpr difference_type operator-(primitive_iterator_t lhs, primitive_iterator_t rhs) noexcept - { - return lhs.m_it - rhs.m_it; - } - - primitive_iterator_t& operator++() noexcept - { - ++m_it; - return *this; - } - - primitive_iterator_t const operator++(int) noexcept - { - auto result = *this; - ++m_it; - return result; - } - - primitive_iterator_t& operator--() noexcept - { - --m_it; - return *this; - } - - primitive_iterator_t const operator--(int) noexcept - { - auto result = *this; - --m_it; - return result; - } - - primitive_iterator_t& operator+=(difference_type n) noexcept - { - m_it += n; - return *this; - } - - primitive_iterator_t& operator-=(difference_type n) noexcept - { - m_it -= n; - return *this; - } -}; -} // namespace detail -} // namespace nlohmann - - -namespace nlohmann -{ -namespace detail -{ -/*! -@brief an iterator value - -@note This structure could easily be a union, but MSVC currently does not allow -unions members with complex constructors, see https://github.com/nlohmann/json/pull/105. -*/ -template struct internal_iterator -{ - /// iterator for JSON objects - typename BasicJsonType::object_t::iterator object_iterator {}; - /// iterator for JSON arrays - typename BasicJsonType::array_t::iterator array_iterator {}; - /// generic iterator for all other types - primitive_iterator_t primitive_iterator {}; -}; -} // namespace detail -} // namespace nlohmann - -// #include - - -#include // iterator, random_access_iterator_tag, bidirectional_iterator_tag, advance, next -#include // conditional, is_const, remove_const - -// #include - -// #include - -// #include - -// #include - -// #include - -// #include - -// #include - - -namespace nlohmann -{ -namespace detail -{ -// forward declare, to be able to friend it later on -template class iteration_proxy; -template class iteration_proxy_value; - -/*! -@brief a template for a bidirectional iterator for the @ref basic_json class -This class implements a both iterators (iterator and const_iterator) for the -@ref basic_json class. -@note An iterator is called *initialized* when a pointer to a JSON value has - been set (e.g., by a constructor or a copy assignment). If the iterator is - default-constructed, it is *uninitialized* and most methods are undefined. - **The library uses assertions to detect calls on uninitialized iterators.** -@requirement The class satisfies the following concept requirements: -- -[BidirectionalIterator](https://en.cppreference.com/w/cpp/named_req/BidirectionalIterator): - The iterator that can be moved can be moved in both directions (i.e. - incremented and decremented). -@since version 1.0.0, simplified in version 2.0.9, change to bidirectional - iterators in version 3.0.0 (see https://github.com/nlohmann/json/issues/593) -*/ -template -class iter_impl -{ - /// allow basic_json to access private members - friend iter_impl::value, typename std::remove_const::type, const BasicJsonType>::type>; - friend BasicJsonType; - friend iteration_proxy; - friend iteration_proxy_value; - - using object_t = typename BasicJsonType::object_t; - using array_t = typename BasicJsonType::array_t; - // make sure BasicJsonType is basic_json or const basic_json - static_assert(is_basic_json::type>::value, - "iter_impl only accepts (const) basic_json"); - - public: - - /// The std::iterator class template (used as a base class to provide typedefs) is deprecated in C++17. - /// The C++ Standard has never required user-defined iterators to derive from std::iterator. - /// A user-defined iterator should provide publicly accessible typedefs named - /// iterator_category, value_type, difference_type, pointer, and reference. - /// Note that value_type is required to be non-const, even for constant iterators. - using iterator_category = std::bidirectional_iterator_tag; - - /// the type of the values when the iterator is dereferenced - using value_type = typename BasicJsonType::value_type; - /// a type to represent differences between iterators - using difference_type = typename BasicJsonType::difference_type; - /// defines a pointer to the type iterated over (value_type) - using pointer = typename std::conditional::value, - typename BasicJsonType::const_pointer, - typename BasicJsonType::pointer>::type; - /// defines a reference to the type iterated over (value_type) - using reference = - typename std::conditional::value, - typename BasicJsonType::const_reference, - typename BasicJsonType::reference>::type; - - /// default constructor - iter_impl() = default; - - /*! - @brief constructor for a given JSON instance - @param[in] object pointer to a JSON object for this iterator - @pre object != nullptr - @post The iterator is initialized; i.e. `m_object != nullptr`. - */ - explicit iter_impl(pointer object) noexcept : m_object(object) - { - JSON_ASSERT(m_object != nullptr); - - switch (m_object->m_type) - { - case value_t::object: - { - m_it.object_iterator = typename object_t::iterator(); - break; - } - - case value_t::array: - { - m_it.array_iterator = typename array_t::iterator(); - break; - } - - default: - { - m_it.primitive_iterator = primitive_iterator_t(); - break; - } - } - } - - /*! - @note The conventional copy constructor and copy assignment are implicitly - defined. Combined with the following converting constructor and - assignment, they support: (1) copy from iterator to iterator, (2) - copy from const iterator to const iterator, and (3) conversion from - iterator to const iterator. However conversion from const iterator - to iterator is not defined. - */ - - /*! - @brief const copy constructor - @param[in] other const iterator to copy from - @note This copy constructor had to be defined explicitly to circumvent a bug - occurring on msvc v19.0 compiler (VS 2015) debug build. For more - information refer to: https://github.com/nlohmann/json/issues/1608 - */ - iter_impl(const iter_impl& other) noexcept - : m_object(other.m_object), m_it(other.m_it) - {} - - /*! - @brief converting assignment - @param[in] other const iterator to copy from - @return const/non-const iterator - @note It is not checked whether @a other is initialized. - */ - iter_impl& operator=(const iter_impl& other) noexcept - { - m_object = other.m_object; - m_it = other.m_it; - return *this; - } - - /*! - @brief converting constructor - @param[in] other non-const iterator to copy from - @note It is not checked whether @a other is initialized. - */ - iter_impl(const iter_impl::type>& other) noexcept - : m_object(other.m_object), m_it(other.m_it) - {} - - /*! - @brief converting assignment - @param[in] other non-const iterator to copy from - @return const/non-const iterator - @note It is not checked whether @a other is initialized. - */ - iter_impl& operator=(const iter_impl::type>& other) noexcept - { - m_object = other.m_object; - m_it = other.m_it; - return *this; - } - - private: - /*! - @brief set the iterator to the first value - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ - void set_begin() noexcept - { - JSON_ASSERT(m_object != nullptr); - - switch (m_object->m_type) - { - case value_t::object: - { - m_it.object_iterator = m_object->m_value.object->begin(); - break; - } - - case value_t::array: - { - m_it.array_iterator = m_object->m_value.array->begin(); - break; - } - - case value_t::null: - { - // set to end so begin()==end() is true: null is empty - m_it.primitive_iterator.set_end(); - break; - } - - default: - { - m_it.primitive_iterator.set_begin(); - break; - } - } - } - - /*! - @brief set the iterator past the last value - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ - void set_end() noexcept - { - JSON_ASSERT(m_object != nullptr); - - switch (m_object->m_type) - { - case value_t::object: - { - m_it.object_iterator = m_object->m_value.object->end(); - break; - } - - case value_t::array: - { - m_it.array_iterator = m_object->m_value.array->end(); - break; - } - - default: - { - m_it.primitive_iterator.set_end(); - break; - } - } - } - - public: - /*! - @brief return a reference to the value pointed to by the iterator - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ - reference operator*() const - { - JSON_ASSERT(m_object != nullptr); - - switch (m_object->m_type) - { - case value_t::object: - { - JSON_ASSERT(m_it.object_iterator != m_object->m_value.object->end()); - return m_it.object_iterator->second; - } - - case value_t::array: - { - JSON_ASSERT(m_it.array_iterator != m_object->m_value.array->end()); - return *m_it.array_iterator; - } - - case value_t::null: - JSON_THROW(invalid_iterator::create(214, "cannot get value")); - - default: - { - if (JSON_HEDLEY_LIKELY(m_it.primitive_iterator.is_begin())) - { - return *m_object; - } - - JSON_THROW(invalid_iterator::create(214, "cannot get value")); - } - } - } - - /*! - @brief dereference the iterator - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ - pointer operator->() const - { - JSON_ASSERT(m_object != nullptr); - - switch (m_object->m_type) - { - case value_t::object: - { - JSON_ASSERT(m_it.object_iterator != m_object->m_value.object->end()); - return &(m_it.object_iterator->second); - } - - case value_t::array: - { - JSON_ASSERT(m_it.array_iterator != m_object->m_value.array->end()); - return &*m_it.array_iterator; - } - - default: - { - if (JSON_HEDLEY_LIKELY(m_it.primitive_iterator.is_begin())) - { - return m_object; - } - - JSON_THROW(invalid_iterator::create(214, "cannot get value")); - } - } - } - - /*! - @brief post-increment (it++) - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ - iter_impl const operator++(int) - { - auto result = *this; - ++(*this); - return result; - } - - /*! - @brief pre-increment (++it) - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ - iter_impl& operator++() - { - JSON_ASSERT(m_object != nullptr); - - switch (m_object->m_type) - { - case value_t::object: - { - std::advance(m_it.object_iterator, 1); - break; - } - - case value_t::array: - { - std::advance(m_it.array_iterator, 1); - break; - } - - default: - { - ++m_it.primitive_iterator; - break; - } - } - - return *this; - } - - /*! - @brief post-decrement (it--) - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ - iter_impl const operator--(int) - { - auto result = *this; - --(*this); - return result; - } - - /*! - @brief pre-decrement (--it) - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ - iter_impl& operator--() - { - JSON_ASSERT(m_object != nullptr); - - switch (m_object->m_type) - { - case value_t::object: - { - std::advance(m_it.object_iterator, -1); - break; - } - - case value_t::array: - { - std::advance(m_it.array_iterator, -1); - break; - } - - default: - { - --m_it.primitive_iterator; - break; - } - } - - return *this; - } - - /*! - @brief comparison: equal - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ - bool operator==(const iter_impl& other) const - { - // if objects are not the same, the comparison is undefined - if (JSON_HEDLEY_UNLIKELY(m_object != other.m_object)) - { - JSON_THROW(invalid_iterator::create(212, "cannot compare iterators of different containers")); - } - - JSON_ASSERT(m_object != nullptr); - - switch (m_object->m_type) - { - case value_t::object: - return (m_it.object_iterator == other.m_it.object_iterator); - - case value_t::array: - return (m_it.array_iterator == other.m_it.array_iterator); - - default: - return (m_it.primitive_iterator == other.m_it.primitive_iterator); - } - } - - /*! - @brief comparison: not equal - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ - bool operator!=(const iter_impl& other) const - { - return !operator==(other); - } - - /*! - @brief comparison: smaller - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ - bool operator<(const iter_impl& other) const - { - // if objects are not the same, the comparison is undefined - if (JSON_HEDLEY_UNLIKELY(m_object != other.m_object)) - { - JSON_THROW(invalid_iterator::create(212, "cannot compare iterators of different containers")); - } - - JSON_ASSERT(m_object != nullptr); - - switch (m_object->m_type) - { - case value_t::object: - JSON_THROW(invalid_iterator::create(213, "cannot compare order of object iterators")); - - case value_t::array: - return (m_it.array_iterator < other.m_it.array_iterator); - - default: - return (m_it.primitive_iterator < other.m_it.primitive_iterator); - } - } - - /*! - @brief comparison: less than or equal - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ - bool operator<=(const iter_impl& other) const - { - return !other.operator < (*this); - } - - /*! - @brief comparison: greater than - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ - bool operator>(const iter_impl& other) const - { - return !operator<=(other); - } - - /*! - @brief comparison: greater than or equal - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ - bool operator>=(const iter_impl& other) const - { - return !operator<(other); - } - - /*! - @brief add to iterator - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ - iter_impl& operator+=(difference_type i) - { - JSON_ASSERT(m_object != nullptr); - - switch (m_object->m_type) - { - case value_t::object: - JSON_THROW(invalid_iterator::create(209, "cannot use offsets with object iterators")); - - case value_t::array: - { - std::advance(m_it.array_iterator, i); - break; - } - - default: - { - m_it.primitive_iterator += i; - break; - } - } - - return *this; - } - - /*! - @brief subtract from iterator - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ - iter_impl& operator-=(difference_type i) - { - return operator+=(-i); - } - - /*! - @brief add to iterator - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ - iter_impl operator+(difference_type i) const - { - auto result = *this; - result += i; - return result; - } - - /*! - @brief addition of distance and iterator - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ - friend iter_impl operator+(difference_type i, const iter_impl& it) - { - auto result = it; - result += i; - return result; - } - - /*! - @brief subtract from iterator - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ - iter_impl operator-(difference_type i) const - { - auto result = *this; - result -= i; - return result; - } - - /*! - @brief return difference - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ - difference_type operator-(const iter_impl& other) const - { - JSON_ASSERT(m_object != nullptr); - - switch (m_object->m_type) - { - case value_t::object: - JSON_THROW(invalid_iterator::create(209, "cannot use offsets with object iterators")); - - case value_t::array: - return m_it.array_iterator - other.m_it.array_iterator; - - default: - return m_it.primitive_iterator - other.m_it.primitive_iterator; - } - } - - /*! - @brief access to successor - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ - reference operator[](difference_type n) const - { - JSON_ASSERT(m_object != nullptr); - - switch (m_object->m_type) - { - case value_t::object: - JSON_THROW(invalid_iterator::create(208, "cannot use operator[] for object iterators")); - - case value_t::array: - return *std::next(m_it.array_iterator, n); - - case value_t::null: - JSON_THROW(invalid_iterator::create(214, "cannot get value")); - - default: - { - if (JSON_HEDLEY_LIKELY(m_it.primitive_iterator.get_value() == -n)) - { - return *m_object; - } - - JSON_THROW(invalid_iterator::create(214, "cannot get value")); - } - } - } - - /*! - @brief return the key of an object iterator - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ - const typename object_t::key_type& key() const - { - JSON_ASSERT(m_object != nullptr); - - if (JSON_HEDLEY_LIKELY(m_object->is_object())) - { - return m_it.object_iterator->first; - } - - JSON_THROW(invalid_iterator::create(207, "cannot use key() for non-object iterators")); - } - - /*! - @brief return the value of an iterator - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ - reference value() const - { - return operator*(); - } - - private: - /// associated JSON instance - pointer m_object = nullptr; - /// the actual iterator of the associated instance - internal_iterator::type> m_it {}; -}; -} // namespace detail -} // namespace nlohmann - -// #include - -// #include - - -#include // ptrdiff_t -#include // reverse_iterator -#include // declval - -namespace nlohmann -{ -namespace detail -{ -////////////////////// -// reverse_iterator // -////////////////////// - -/*! -@brief a template for a reverse iterator class - -@tparam Base the base iterator type to reverse. Valid types are @ref -iterator (to create @ref reverse_iterator) and @ref const_iterator (to -create @ref const_reverse_iterator). - -@requirement The class satisfies the following concept requirements: -- -[BidirectionalIterator](https://en.cppreference.com/w/cpp/named_req/BidirectionalIterator): - The iterator that can be moved can be moved in both directions (i.e. - incremented and decremented). -- [OutputIterator](https://en.cppreference.com/w/cpp/named_req/OutputIterator): - It is possible to write to the pointed-to element (only if @a Base is - @ref iterator). - -@since version 1.0.0 -*/ -template -class json_reverse_iterator : public std::reverse_iterator -{ - public: - using difference_type = std::ptrdiff_t; - /// shortcut to the reverse iterator adapter - using base_iterator = std::reverse_iterator; - /// the reference type for the pointed-to element - using reference = typename Base::reference; - - /// create reverse iterator from iterator - explicit json_reverse_iterator(const typename base_iterator::iterator_type& it) noexcept - : base_iterator(it) {} - - /// create reverse iterator from base class - explicit json_reverse_iterator(const base_iterator& it) noexcept : base_iterator(it) {} - - /// post-increment (it++) - json_reverse_iterator const operator++(int) - { - return static_cast(base_iterator::operator++(1)); - } - - /// pre-increment (++it) - json_reverse_iterator& operator++() - { - return static_cast(base_iterator::operator++()); - } - - /// post-decrement (it--) - json_reverse_iterator const operator--(int) - { - return static_cast(base_iterator::operator--(1)); - } - - /// pre-decrement (--it) - json_reverse_iterator& operator--() - { - return static_cast(base_iterator::operator--()); - } - - /// add to iterator - json_reverse_iterator& operator+=(difference_type i) - { - return static_cast(base_iterator::operator+=(i)); - } - - /// add to iterator - json_reverse_iterator operator+(difference_type i) const - { - return static_cast(base_iterator::operator+(i)); - } - - /// subtract from iterator - json_reverse_iterator operator-(difference_type i) const - { - return static_cast(base_iterator::operator-(i)); - } - - /// return difference - difference_type operator-(const json_reverse_iterator& other) const - { - return base_iterator(*this) - base_iterator(other); - } - - /// access to successor - reference operator[](difference_type n) const - { - return *(this->operator+(n)); - } - - /// return the key of an object iterator - auto key() const -> decltype(std::declval().key()) - { - auto it = --this->base(); - return it.key(); - } - - /// return the value of an iterator - reference value() const - { - auto it = --this->base(); - return it.operator * (); - } -}; -} // namespace detail -} // namespace nlohmann - -// #include - -// #include - - -#include // all_of -#include // isdigit -#include // max -#include // accumulate -#include // string -#include // move -#include // vector - -// #include - -// #include - -// #include - - -namespace nlohmann -{ -template -class json_pointer -{ - // allow basic_json to access private members - NLOHMANN_BASIC_JSON_TPL_DECLARATION - friend class basic_json; - - public: - /*! - @brief create JSON pointer - - Create a JSON pointer according to the syntax described in - [Section 3 of RFC6901](https://tools.ietf.org/html/rfc6901#section-3). - - @param[in] s string representing the JSON pointer; if omitted, the empty - string is assumed which references the whole JSON value - - @throw parse_error.107 if the given JSON pointer @a s is nonempty and does - not begin with a slash (`/`); see example below - - @throw parse_error.108 if a tilde (`~`) in the given JSON pointer @a s is - not followed by `0` (representing `~`) or `1` (representing `/`); see - example below - - @liveexample{The example shows the construction several valid JSON pointers - as well as the exceptional behavior.,json_pointer} - - @since version 2.0.0 - */ - explicit json_pointer(const std::string& s = "") - : reference_tokens(split(s)) - {} - - /*! - @brief return a string representation of the JSON pointer - - @invariant For each JSON pointer `ptr`, it holds: - @code {.cpp} - ptr == json_pointer(ptr.to_string()); - @endcode - - @return a string representation of the JSON pointer - - @liveexample{The example shows the result of `to_string`.,json_pointer__to_string} - - @since version 2.0.0 - */ - std::string to_string() const - { - return std::accumulate(reference_tokens.begin(), reference_tokens.end(), - std::string{}, - [](const std::string & a, const std::string & b) - { - return a + "/" + escape(b); - }); - } - - /// @copydoc to_string() - operator std::string() const - { - return to_string(); - } - - /*! - @brief append another JSON pointer at the end of this JSON pointer - - @param[in] ptr JSON pointer to append - @return JSON pointer with @a ptr appended - - @liveexample{The example shows the usage of `operator/=`.,json_pointer__operator_add} - - @complexity Linear in the length of @a ptr. - - @sa @ref operator/=(std::string) to append a reference token - @sa @ref operator/=(std::size_t) to append an array index - @sa @ref operator/(const json_pointer&, const json_pointer&) for a binary operator - - @since version 3.6.0 - */ - json_pointer& operator/=(const json_pointer& ptr) - { - reference_tokens.insert(reference_tokens.end(), - ptr.reference_tokens.begin(), - ptr.reference_tokens.end()); - return *this; - } - - /*! - @brief append an unescaped reference token at the end of this JSON pointer - - @param[in] token reference token to append - @return JSON pointer with @a token appended without escaping @a token - - @liveexample{The example shows the usage of `operator/=`.,json_pointer__operator_add} - - @complexity Amortized constant. - - @sa @ref operator/=(const json_pointer&) to append a JSON pointer - @sa @ref operator/=(std::size_t) to append an array index - @sa @ref operator/(const json_pointer&, std::size_t) for a binary operator - - @since version 3.6.0 - */ - json_pointer& operator/=(std::string token) - { - push_back(std::move(token)); - return *this; - } - - /*! - @brief append an array index at the end of this JSON pointer - - @param[in] array_idx array index to append - @return JSON pointer with @a array_idx appended - - @liveexample{The example shows the usage of `operator/=`.,json_pointer__operator_add} - - @complexity Amortized constant. - - @sa @ref operator/=(const json_pointer&) to append a JSON pointer - @sa @ref operator/=(std::string) to append a reference token - @sa @ref operator/(const json_pointer&, std::string) for a binary operator - - @since version 3.6.0 - */ - json_pointer& operator/=(std::size_t array_idx) - { - return *this /= std::to_string(array_idx); - } - - /*! - @brief create a new JSON pointer by appending the right JSON pointer at the end of the left JSON pointer - - @param[in] lhs JSON pointer - @param[in] rhs JSON pointer - @return a new JSON pointer with @a rhs appended to @a lhs - - @liveexample{The example shows the usage of `operator/`.,json_pointer__operator_add_binary} - - @complexity Linear in the length of @a lhs and @a rhs. - - @sa @ref operator/=(const json_pointer&) to append a JSON pointer - - @since version 3.6.0 - */ - friend json_pointer operator/(const json_pointer& lhs, - const json_pointer& rhs) - { - return json_pointer(lhs) /= rhs; - } - - /*! - @brief create a new JSON pointer by appending the unescaped token at the end of the JSON pointer - - @param[in] ptr JSON pointer - @param[in] token reference token - @return a new JSON pointer with unescaped @a token appended to @a ptr - - @liveexample{The example shows the usage of `operator/`.,json_pointer__operator_add_binary} - - @complexity Linear in the length of @a ptr. - - @sa @ref operator/=(std::string) to append a reference token - - @since version 3.6.0 - */ - friend json_pointer operator/(const json_pointer& ptr, std::string token) - { - return json_pointer(ptr) /= std::move(token); - } - - /*! - @brief create a new JSON pointer by appending the array-index-token at the end of the JSON pointer - - @param[in] ptr JSON pointer - @param[in] array_idx array index - @return a new JSON pointer with @a array_idx appended to @a ptr - - @liveexample{The example shows the usage of `operator/`.,json_pointer__operator_add_binary} - - @complexity Linear in the length of @a ptr. - - @sa @ref operator/=(std::size_t) to append an array index - - @since version 3.6.0 - */ - friend json_pointer operator/(const json_pointer& ptr, std::size_t array_idx) - { - return json_pointer(ptr) /= array_idx; - } - - /*! - @brief returns the parent of this JSON pointer - - @return parent of this JSON pointer; in case this JSON pointer is the root, - the root itself is returned - - @complexity Linear in the length of the JSON pointer. - - @liveexample{The example shows the result of `parent_pointer` for different - JSON Pointers.,json_pointer__parent_pointer} - - @since version 3.6.0 - */ - json_pointer parent_pointer() const - { - if (empty()) - { - return *this; - } - - json_pointer res = *this; - res.pop_back(); - return res; - } - - /*! - @brief remove last reference token - - @pre not `empty()` - - @liveexample{The example shows the usage of `pop_back`.,json_pointer__pop_back} - - @complexity Constant. - - @throw out_of_range.405 if JSON pointer has no parent - - @since version 3.6.0 - */ - void pop_back() - { - if (JSON_HEDLEY_UNLIKELY(empty())) - { - JSON_THROW(detail::out_of_range::create(405, "JSON pointer has no parent")); - } - - reference_tokens.pop_back(); - } - - /*! - @brief return last reference token - - @pre not `empty()` - @return last reference token - - @liveexample{The example shows the usage of `back`.,json_pointer__back} - - @complexity Constant. - - @throw out_of_range.405 if JSON pointer has no parent - - @since version 3.6.0 - */ - const std::string& back() const - { - if (JSON_HEDLEY_UNLIKELY(empty())) - { - JSON_THROW(detail::out_of_range::create(405, "JSON pointer has no parent")); - } - - return reference_tokens.back(); - } - - /*! - @brief append an unescaped token at the end of the reference pointer - - @param[in] token token to add - - @complexity Amortized constant. - - @liveexample{The example shows the result of `push_back` for different - JSON Pointers.,json_pointer__push_back} - - @since version 3.6.0 - */ - void push_back(const std::string& token) - { - reference_tokens.push_back(token); - } - - /// @copydoc push_back(const std::string&) - void push_back(std::string&& token) - { - reference_tokens.push_back(std::move(token)); - } - - /*! - @brief return whether pointer points to the root document - - @return true iff the JSON pointer points to the root document - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - - @liveexample{The example shows the result of `empty` for different JSON - Pointers.,json_pointer__empty} - - @since version 3.6.0 - */ - bool empty() const noexcept - { - return reference_tokens.empty(); - } - - private: - /*! - @param[in] s reference token to be converted into an array index - - @return integer representation of @a s - - @throw parse_error.106 if an array index begins with '0' - @throw parse_error.109 if an array index begins not with a digit - @throw out_of_range.404 if string @a s could not be converted to an integer - @throw out_of_range.410 if an array index exceeds size_type - */ - static typename BasicJsonType::size_type array_index(const std::string& s) - { - using size_type = typename BasicJsonType::size_type; - - // error condition (cf. RFC 6901, Sect. 4) - if (JSON_HEDLEY_UNLIKELY(s.size() > 1 && s[0] == '0')) - { - JSON_THROW(detail::parse_error::create(106, 0, - "array index '" + s + - "' must not begin with '0'")); - } - - // error condition (cf. RFC 6901, Sect. 4) - if (JSON_HEDLEY_UNLIKELY(s.size() > 1 && !(s[0] >= '1' && s[0] <= '9'))) - { - JSON_THROW(detail::parse_error::create(109, 0, "array index '" + s + "' is not a number")); - } - - std::size_t processed_chars = 0; - unsigned long long res = 0; - JSON_TRY - { - res = std::stoull(s, &processed_chars); - } - JSON_CATCH(std::out_of_range&) - { - JSON_THROW(detail::out_of_range::create(404, "unresolved reference token '" + s + "'")); - } - - // check if the string was completely read - if (JSON_HEDLEY_UNLIKELY(processed_chars != s.size())) - { - JSON_THROW(detail::out_of_range::create(404, "unresolved reference token '" + s + "'")); - } - - // only triggered on special platforms (like 32bit), see also - // https://github.com/nlohmann/json/pull/2203 - if (res >= static_cast((std::numeric_limits::max)())) - { - JSON_THROW(detail::out_of_range::create(410, "array index " + s + " exceeds size_type")); // LCOV_EXCL_LINE - } - - return static_cast(res); - } - - json_pointer top() const - { - if (JSON_HEDLEY_UNLIKELY(empty())) - { - JSON_THROW(detail::out_of_range::create(405, "JSON pointer has no parent")); - } - - json_pointer result = *this; - result.reference_tokens = {reference_tokens[0]}; - return result; - } - - /*! - @brief create and return a reference to the pointed to value - - @complexity Linear in the number of reference tokens. - - @throw parse_error.109 if array index is not a number - @throw type_error.313 if value cannot be unflattened - */ - BasicJsonType& get_and_create(BasicJsonType& j) const - { - auto result = &j; - - // in case no reference tokens exist, return a reference to the JSON value - // j which will be overwritten by a primitive value - for (const auto& reference_token : reference_tokens) - { - switch (result->type()) - { - case detail::value_t::null: - { - if (reference_token == "0") - { - // start a new array if reference token is 0 - result = &result->operator[](0); - } - else - { - // start a new object otherwise - result = &result->operator[](reference_token); - } - break; - } - - case detail::value_t::object: - { - // create an entry in the object - result = &result->operator[](reference_token); - break; - } - - case detail::value_t::array: - { - // create an entry in the array - result = &result->operator[](array_index(reference_token)); - break; - } - - /* - The following code is only reached if there exists a reference - token _and_ the current value is primitive. In this case, we have - an error situation, because primitive values may only occur as - single value; that is, with an empty list of reference tokens. - */ - default: - JSON_THROW(detail::type_error::create(313, "invalid value to unflatten")); - } - } - - return *result; - } - - /*! - @brief return a reference to the pointed to value - - @note This version does not throw if a value is not present, but tries to - create nested values instead. For instance, calling this function - with pointer `"/this/that"` on a null value is equivalent to calling - `operator[]("this").operator[]("that")` on that value, effectively - changing the null value to an object. - - @param[in] ptr a JSON value - - @return reference to the JSON value pointed to by the JSON pointer - - @complexity Linear in the length of the JSON pointer. - - @throw parse_error.106 if an array index begins with '0' - @throw parse_error.109 if an array index was not a number - @throw out_of_range.404 if the JSON pointer can not be resolved - */ - BasicJsonType& get_unchecked(BasicJsonType* ptr) const - { - for (const auto& reference_token : reference_tokens) - { - // convert null values to arrays or objects before continuing - if (ptr->is_null()) - { - // check if reference token is a number - const bool nums = - std::all_of(reference_token.begin(), reference_token.end(), - [](const unsigned char x) - { - return std::isdigit(x); - }); - - // change value to array for numbers or "-" or to object otherwise - *ptr = (nums || reference_token == "-") - ? detail::value_t::array - : detail::value_t::object; - } - - switch (ptr->type()) - { - case detail::value_t::object: - { - // use unchecked object access - ptr = &ptr->operator[](reference_token); - break; - } - - case detail::value_t::array: - { - if (reference_token == "-") - { - // explicitly treat "-" as index beyond the end - ptr = &ptr->operator[](ptr->m_value.array->size()); - } - else - { - // convert array index to number; unchecked access - ptr = &ptr->operator[](array_index(reference_token)); - } - break; - } - - default: - JSON_THROW(detail::out_of_range::create(404, "unresolved reference token '" + reference_token + "'")); - } - } - - return *ptr; - } - - /*! - @throw parse_error.106 if an array index begins with '0' - @throw parse_error.109 if an array index was not a number - @throw out_of_range.402 if the array index '-' is used - @throw out_of_range.404 if the JSON pointer can not be resolved - */ - BasicJsonType& get_checked(BasicJsonType* ptr) const - { - for (const auto& reference_token : reference_tokens) - { - switch (ptr->type()) - { - case detail::value_t::object: - { - // note: at performs range check - ptr = &ptr->at(reference_token); - break; - } - - case detail::value_t::array: - { - if (JSON_HEDLEY_UNLIKELY(reference_token == "-")) - { - // "-" always fails the range check - JSON_THROW(detail::out_of_range::create(402, - "array index '-' (" + std::to_string(ptr->m_value.array->size()) + - ") is out of range")); - } - - // note: at performs range check - ptr = &ptr->at(array_index(reference_token)); - break; - } - - default: - JSON_THROW(detail::out_of_range::create(404, "unresolved reference token '" + reference_token + "'")); - } - } - - return *ptr; - } - - /*! - @brief return a const reference to the pointed to value - - @param[in] ptr a JSON value - - @return const reference to the JSON value pointed to by the JSON - pointer - - @throw parse_error.106 if an array index begins with '0' - @throw parse_error.109 if an array index was not a number - @throw out_of_range.402 if the array index '-' is used - @throw out_of_range.404 if the JSON pointer can not be resolved - */ - const BasicJsonType& get_unchecked(const BasicJsonType* ptr) const - { - for (const auto& reference_token : reference_tokens) - { - switch (ptr->type()) - { - case detail::value_t::object: - { - // use unchecked object access - ptr = &ptr->operator[](reference_token); - break; - } - - case detail::value_t::array: - { - if (JSON_HEDLEY_UNLIKELY(reference_token == "-")) - { - // "-" cannot be used for const access - JSON_THROW(detail::out_of_range::create(402, - "array index '-' (" + std::to_string(ptr->m_value.array->size()) + - ") is out of range")); - } - - // use unchecked array access - ptr = &ptr->operator[](array_index(reference_token)); - break; - } - - default: - JSON_THROW(detail::out_of_range::create(404, "unresolved reference token '" + reference_token + "'")); - } - } - - return *ptr; - } - - /*! - @throw parse_error.106 if an array index begins with '0' - @throw parse_error.109 if an array index was not a number - @throw out_of_range.402 if the array index '-' is used - @throw out_of_range.404 if the JSON pointer can not be resolved - */ - const BasicJsonType& get_checked(const BasicJsonType* ptr) const - { - for (const auto& reference_token : reference_tokens) - { - switch (ptr->type()) - { - case detail::value_t::object: - { - // note: at performs range check - ptr = &ptr->at(reference_token); - break; - } - - case detail::value_t::array: - { - if (JSON_HEDLEY_UNLIKELY(reference_token == "-")) - { - // "-" always fails the range check - JSON_THROW(detail::out_of_range::create(402, - "array index '-' (" + std::to_string(ptr->m_value.array->size()) + - ") is out of range")); - } - - // note: at performs range check - ptr = &ptr->at(array_index(reference_token)); - break; - } - - default: - JSON_THROW(detail::out_of_range::create(404, "unresolved reference token '" + reference_token + "'")); - } - } - - return *ptr; - } - - /*! - @throw parse_error.106 if an array index begins with '0' - @throw parse_error.109 if an array index was not a number - */ - bool contains(const BasicJsonType* ptr) const - { - for (const auto& reference_token : reference_tokens) - { - switch (ptr->type()) - { - case detail::value_t::object: - { - if (!ptr->contains(reference_token)) - { - // we did not find the key in the object - return false; - } - - ptr = &ptr->operator[](reference_token); - break; - } - - case detail::value_t::array: - { - if (JSON_HEDLEY_UNLIKELY(reference_token == "-")) - { - // "-" always fails the range check - return false; - } - if (JSON_HEDLEY_UNLIKELY(reference_token.size() == 1 && !("0" <= reference_token && reference_token <= "9"))) - { - // invalid char - return false; - } - if (JSON_HEDLEY_UNLIKELY(reference_token.size() > 1)) - { - if (JSON_HEDLEY_UNLIKELY(!('1' <= reference_token[0] && reference_token[0] <= '9'))) - { - // first char should be between '1' and '9' - return false; - } - for (std::size_t i = 1; i < reference_token.size(); i++) - { - if (JSON_HEDLEY_UNLIKELY(!('0' <= reference_token[i] && reference_token[i] <= '9'))) - { - // other char should be between '0' and '9' - return false; - } - } - } - - const auto idx = array_index(reference_token); - if (idx >= ptr->size()) - { - // index out of range - return false; - } - - ptr = &ptr->operator[](idx); - break; - } - - default: - { - // we do not expect primitive values if there is still a - // reference token to process - return false; - } - } - } - - // no reference token left means we found a primitive value - return true; - } - - /*! - @brief split the string input to reference tokens - - @note This function is only called by the json_pointer constructor. - All exceptions below are documented there. - - @throw parse_error.107 if the pointer is not empty or begins with '/' - @throw parse_error.108 if character '~' is not followed by '0' or '1' - */ - static std::vector split(const std::string& reference_string) - { - std::vector result; - - // special case: empty reference string -> no reference tokens - if (reference_string.empty()) - { - return result; - } - - // check if nonempty reference string begins with slash - if (JSON_HEDLEY_UNLIKELY(reference_string[0] != '/')) - { - JSON_THROW(detail::parse_error::create(107, 1, - "JSON pointer must be empty or begin with '/' - was: '" + - reference_string + "'")); - } - - // extract the reference tokens: - // - slash: position of the last read slash (or end of string) - // - start: position after the previous slash - for ( - // search for the first slash after the first character - std::size_t slash = reference_string.find_first_of('/', 1), - // set the beginning of the first reference token - start = 1; - // we can stop if start == 0 (if slash == std::string::npos) - start != 0; - // set the beginning of the next reference token - // (will eventually be 0 if slash == std::string::npos) - start = (slash == std::string::npos) ? 0 : slash + 1, - // find next slash - slash = reference_string.find_first_of('/', start)) - { - // use the text between the beginning of the reference token - // (start) and the last slash (slash). - auto reference_token = reference_string.substr(start, slash - start); - - // check reference tokens are properly escaped - for (std::size_t pos = reference_token.find_first_of('~'); - pos != std::string::npos; - pos = reference_token.find_first_of('~', pos + 1)) - { - JSON_ASSERT(reference_token[pos] == '~'); - - // ~ must be followed by 0 or 1 - if (JSON_HEDLEY_UNLIKELY(pos == reference_token.size() - 1 || - (reference_token[pos + 1] != '0' && - reference_token[pos + 1] != '1'))) - { - JSON_THROW(detail::parse_error::create(108, 0, "escape character '~' must be followed with '0' or '1'")); - } - } - - // finally, store the reference token - unescape(reference_token); - result.push_back(reference_token); - } - - return result; - } - - /*! - @brief replace all occurrences of a substring by another string - - @param[in,out] s the string to manipulate; changed so that all - occurrences of @a f are replaced with @a t - @param[in] f the substring to replace with @a t - @param[in] t the string to replace @a f - - @pre The search string @a f must not be empty. **This precondition is - enforced with an assertion.** - - @since version 2.0.0 - */ - static void replace_substring(std::string& s, const std::string& f, - const std::string& t) - { - JSON_ASSERT(!f.empty()); - for (auto pos = s.find(f); // find first occurrence of f - pos != std::string::npos; // make sure f was found - s.replace(pos, f.size(), t), // replace with t, and - pos = s.find(f, pos + t.size())) // find next occurrence of f - {} - } - - /// escape "~" to "~0" and "/" to "~1" - static std::string escape(std::string s) - { - replace_substring(s, "~", "~0"); - replace_substring(s, "/", "~1"); - return s; - } - - /// unescape "~1" to tilde and "~0" to slash (order is important!) - static void unescape(std::string& s) - { - replace_substring(s, "~1", "/"); - replace_substring(s, "~0", "~"); - } - - /*! - @param[in] reference_string the reference string to the current value - @param[in] value the value to consider - @param[in,out] result the result object to insert values to - - @note Empty objects or arrays are flattened to `null`. - */ - static void flatten(const std::string& reference_string, - const BasicJsonType& value, - BasicJsonType& result) - { - switch (value.type()) - { - case detail::value_t::array: - { - if (value.m_value.array->empty()) - { - // flatten empty array as null - result[reference_string] = nullptr; - } - else - { - // iterate array and use index as reference string - for (std::size_t i = 0; i < value.m_value.array->size(); ++i) - { - flatten(reference_string + "/" + std::to_string(i), - value.m_value.array->operator[](i), result); - } - } - break; - } - - case detail::value_t::object: - { - if (value.m_value.object->empty()) - { - // flatten empty object as null - result[reference_string] = nullptr; - } - else - { - // iterate object and use keys as reference string - for (const auto& element : *value.m_value.object) - { - flatten(reference_string + "/" + escape(element.first), element.second, result); - } - } - break; - } - - default: - { - // add primitive value with its reference string - result[reference_string] = value; - break; - } - } - } - - /*! - @param[in] value flattened JSON - - @return unflattened JSON - - @throw parse_error.109 if array index is not a number - @throw type_error.314 if value is not an object - @throw type_error.315 if object values are not primitive - @throw type_error.313 if value cannot be unflattened - */ - static BasicJsonType - unflatten(const BasicJsonType& value) - { - if (JSON_HEDLEY_UNLIKELY(!value.is_object())) - { - JSON_THROW(detail::type_error::create(314, "only objects can be unflattened")); - } - - BasicJsonType result; - - // iterate the JSON object values - for (const auto& element : *value.m_value.object) - { - if (JSON_HEDLEY_UNLIKELY(!element.second.is_primitive())) - { - JSON_THROW(detail::type_error::create(315, "values in object must be primitive")); - } - - // assign value to reference pointed to by JSON pointer; Note that if - // the JSON pointer is "" (i.e., points to the whole value), function - // get_and_create returns a reference to result itself. An assignment - // will then create a primitive value. - json_pointer(element.first).get_and_create(result) = element.second; - } - - return result; - } - - /*! - @brief compares two JSON pointers for equality - - @param[in] lhs JSON pointer to compare - @param[in] rhs JSON pointer to compare - @return whether @a lhs is equal to @a rhs - - @complexity Linear in the length of the JSON pointer - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - */ - friend bool operator==(json_pointer const& lhs, - json_pointer const& rhs) noexcept - { - return lhs.reference_tokens == rhs.reference_tokens; - } - - /*! - @brief compares two JSON pointers for inequality - - @param[in] lhs JSON pointer to compare - @param[in] rhs JSON pointer to compare - @return whether @a lhs is not equal @a rhs - - @complexity Linear in the length of the JSON pointer - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - */ - friend bool operator!=(json_pointer const& lhs, - json_pointer const& rhs) noexcept - { - return !(lhs == rhs); - } - - /// the reference tokens - std::vector reference_tokens; -}; -} // namespace nlohmann - -// #include - - -#include -#include - -// #include - - -namespace nlohmann -{ -namespace detail -{ -template -class json_ref -{ - public: - using value_type = BasicJsonType; - - json_ref(value_type&& value) - : owned_value(std::move(value)) - , value_ref(&owned_value) - , is_rvalue(true) - {} - - json_ref(const value_type& value) - : value_ref(const_cast(&value)) - , is_rvalue(false) - {} - - json_ref(std::initializer_list init) - : owned_value(init) - , value_ref(&owned_value) - , is_rvalue(true) - {} - - template < - class... Args, - enable_if_t::value, int> = 0 > - json_ref(Args && ... args) - : owned_value(std::forward(args)...) - , value_ref(&owned_value) - , is_rvalue(true) - {} - - // class should be movable only - json_ref(json_ref&&) = default; - json_ref(const json_ref&) = delete; - json_ref& operator=(const json_ref&) = delete; - json_ref& operator=(json_ref&&) = delete; - ~json_ref() = default; - - value_type moved_or_copied() const - { - if (is_rvalue) - { - return std::move(*value_ref); - } - return *value_ref; - } - - value_type const& operator*() const - { - return *static_cast(value_ref); - } - - value_type const* operator->() const - { - return static_cast(value_ref); - } - - private: - mutable value_type owned_value = nullptr; - value_type* value_ref = nullptr; - const bool is_rvalue = true; -}; -} // namespace detail -} // namespace nlohmann - -// #include - -// #include - -// #include - -// #include - - -#include // reverse -#include // array -#include // uint8_t, uint16_t, uint32_t, uint64_t -#include // memcpy -#include // numeric_limits -#include // string -#include // isnan, isinf - -// #include - -// #include - -// #include - - -#include // copy -#include // size_t -#include // streamsize -#include // back_inserter -#include // shared_ptr, make_shared -#include // basic_ostream -#include // basic_string -#include // vector -// #include - - -namespace nlohmann -{ -namespace detail -{ -/// abstract output adapter interface -template struct output_adapter_protocol -{ - virtual void write_character(CharType c) = 0; - virtual void write_characters(const CharType* s, std::size_t length) = 0; - virtual ~output_adapter_protocol() = default; -}; - -/// a type to simplify interfaces -template -using output_adapter_t = std::shared_ptr>; - -/// output adapter for byte vectors -template -class output_vector_adapter : public output_adapter_protocol -{ - public: - explicit output_vector_adapter(std::vector& vec) noexcept - : v(vec) - {} - - void write_character(CharType c) override - { - v.push_back(c); - } - - JSON_HEDLEY_NON_NULL(2) - void write_characters(const CharType* s, std::size_t length) override - { - std::copy(s, s + length, std::back_inserter(v)); - } - - private: - std::vector& v; -}; - -/// output adapter for output streams -template -class output_stream_adapter : public output_adapter_protocol -{ - public: - explicit output_stream_adapter(std::basic_ostream& s) noexcept - : stream(s) - {} - - void write_character(CharType c) override - { - stream.put(c); - } - - JSON_HEDLEY_NON_NULL(2) - void write_characters(const CharType* s, std::size_t length) override - { - stream.write(s, static_cast(length)); - } - - private: - std::basic_ostream& stream; -}; - -/// output adapter for basic_string -template> -class output_string_adapter : public output_adapter_protocol -{ - public: - explicit output_string_adapter(StringType& s) noexcept - : str(s) - {} - - void write_character(CharType c) override - { - str.push_back(c); - } - - JSON_HEDLEY_NON_NULL(2) - void write_characters(const CharType* s, std::size_t length) override - { - str.append(s, length); - } - - private: - StringType& str; -}; - -template> -class output_adapter -{ - public: - output_adapter(std::vector& vec) - : oa(std::make_shared>(vec)) {} - - output_adapter(std::basic_ostream& s) - : oa(std::make_shared>(s)) {} - - output_adapter(StringType& s) - : oa(std::make_shared>(s)) {} - - operator output_adapter_t() - { - return oa; - } - - private: - output_adapter_t oa = nullptr; -}; -} // namespace detail -} // namespace nlohmann - - -namespace nlohmann -{ -namespace detail -{ -/////////////////// -// binary writer // -/////////////////// - -/*! -@brief serialization to CBOR and MessagePack values -*/ -template -class binary_writer -{ - using string_t = typename BasicJsonType::string_t; - using binary_t = typename BasicJsonType::binary_t; - using number_float_t = typename BasicJsonType::number_float_t; - - public: - /*! - @brief create a binary writer - - @param[in] adapter output adapter to write to - */ - explicit binary_writer(output_adapter_t adapter) : oa(adapter) - { - JSON_ASSERT(oa); - } - - /*! - @param[in] j JSON value to serialize - @pre j.type() == value_t::object - */ - void write_bson(const BasicJsonType& j) - { - switch (j.type()) - { - case value_t::object: - { - write_bson_object(*j.m_value.object); - break; - } - - default: - { - JSON_THROW(type_error::create(317, "to serialize to BSON, top-level type must be object, but is " + std::string(j.type_name()))); - } - } - } - - /*! - @param[in] j JSON value to serialize - */ - void write_cbor(const BasicJsonType& j) - { - switch (j.type()) - { - case value_t::null: - { - oa->write_character(to_char_type(0xF6)); - break; - } - - case value_t::boolean: - { - oa->write_character(j.m_value.boolean - ? to_char_type(0xF5) - : to_char_type(0xF4)); - break; - } - - case value_t::number_integer: - { - if (j.m_value.number_integer >= 0) - { - // CBOR does not differentiate between positive signed - // integers and unsigned integers. Therefore, we used the - // code from the value_t::number_unsigned case here. - if (j.m_value.number_integer <= 0x17) - { - write_number(static_cast(j.m_value.number_integer)); - } - else if (j.m_value.number_integer <= (std::numeric_limits::max)()) - { - oa->write_character(to_char_type(0x18)); - write_number(static_cast(j.m_value.number_integer)); - } - else if (j.m_value.number_integer <= (std::numeric_limits::max)()) - { - oa->write_character(to_char_type(0x19)); - write_number(static_cast(j.m_value.number_integer)); - } - else if (j.m_value.number_integer <= (std::numeric_limits::max)()) - { - oa->write_character(to_char_type(0x1A)); - write_number(static_cast(j.m_value.number_integer)); - } - else - { - oa->write_character(to_char_type(0x1B)); - write_number(static_cast(j.m_value.number_integer)); - } - } - else - { - // The conversions below encode the sign in the first - // byte, and the value is converted to a positive number. - const auto positive_number = -1 - j.m_value.number_integer; - if (j.m_value.number_integer >= -24) - { - write_number(static_cast(0x20 + positive_number)); - } - else if (positive_number <= (std::numeric_limits::max)()) - { - oa->write_character(to_char_type(0x38)); - write_number(static_cast(positive_number)); - } - else if (positive_number <= (std::numeric_limits::max)()) - { - oa->write_character(to_char_type(0x39)); - write_number(static_cast(positive_number)); - } - else if (positive_number <= (std::numeric_limits::max)()) - { - oa->write_character(to_char_type(0x3A)); - write_number(static_cast(positive_number)); - } - else - { - oa->write_character(to_char_type(0x3B)); - write_number(static_cast(positive_number)); - } - } - break; - } - - case value_t::number_unsigned: - { - if (j.m_value.number_unsigned <= 0x17) - { - write_number(static_cast(j.m_value.number_unsigned)); - } - else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) - { - oa->write_character(to_char_type(0x18)); - write_number(static_cast(j.m_value.number_unsigned)); - } - else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) - { - oa->write_character(to_char_type(0x19)); - write_number(static_cast(j.m_value.number_unsigned)); - } - else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) - { - oa->write_character(to_char_type(0x1A)); - write_number(static_cast(j.m_value.number_unsigned)); - } - else - { - oa->write_character(to_char_type(0x1B)); - write_number(static_cast(j.m_value.number_unsigned)); - } - break; - } - - case value_t::number_float: - { - if (std::isnan(j.m_value.number_float)) - { - // NaN is 0xf97e00 in CBOR - oa->write_character(to_char_type(0xF9)); - oa->write_character(to_char_type(0x7E)); - oa->write_character(to_char_type(0x00)); - } - else if (std::isinf(j.m_value.number_float)) - { - // Infinity is 0xf97c00, -Infinity is 0xf9fc00 - oa->write_character(to_char_type(0xf9)); - oa->write_character(j.m_value.number_float > 0 ? to_char_type(0x7C) : to_char_type(0xFC)); - oa->write_character(to_char_type(0x00)); - } - else - { - write_compact_float(j.m_value.number_float, detail::input_format_t::cbor); - } - break; - } - - case value_t::string: - { - // step 1: write control byte and the string length - const auto N = j.m_value.string->size(); - if (N <= 0x17) - { - write_number(static_cast(0x60 + N)); - } - else if (N <= (std::numeric_limits::max)()) - { - oa->write_character(to_char_type(0x78)); - write_number(static_cast(N)); - } - else if (N <= (std::numeric_limits::max)()) - { - oa->write_character(to_char_type(0x79)); - write_number(static_cast(N)); - } - else if (N <= (std::numeric_limits::max)()) - { - oa->write_character(to_char_type(0x7A)); - write_number(static_cast(N)); - } - // LCOV_EXCL_START - else if (N <= (std::numeric_limits::max)()) - { - oa->write_character(to_char_type(0x7B)); - write_number(static_cast(N)); - } - // LCOV_EXCL_STOP - - // step 2: write the string - oa->write_characters( - reinterpret_cast(j.m_value.string->c_str()), - j.m_value.string->size()); - break; - } - - case value_t::array: - { - // step 1: write control byte and the array size - const auto N = j.m_value.array->size(); - if (N <= 0x17) - { - write_number(static_cast(0x80 + N)); - } - else if (N <= (std::numeric_limits::max)()) - { - oa->write_character(to_char_type(0x98)); - write_number(static_cast(N)); - } - else if (N <= (std::numeric_limits::max)()) - { - oa->write_character(to_char_type(0x99)); - write_number(static_cast(N)); - } - else if (N <= (std::numeric_limits::max)()) - { - oa->write_character(to_char_type(0x9A)); - write_number(static_cast(N)); - } - // LCOV_EXCL_START - else if (N <= (std::numeric_limits::max)()) - { - oa->write_character(to_char_type(0x9B)); - write_number(static_cast(N)); - } - // LCOV_EXCL_STOP - - // step 2: write each element - for (const auto& el : *j.m_value.array) - { - write_cbor(el); - } - break; - } - - case value_t::binary: - { - if (j.m_value.binary->has_subtype()) - { - write_number(static_cast(0xd8)); - write_number(j.m_value.binary->subtype()); - } - - // step 1: write control byte and the binary array size - const auto N = j.m_value.binary->size(); - if (N <= 0x17) - { - write_number(static_cast(0x40 + N)); - } - else if (N <= (std::numeric_limits::max)()) - { - oa->write_character(to_char_type(0x58)); - write_number(static_cast(N)); - } - else if (N <= (std::numeric_limits::max)()) - { - oa->write_character(to_char_type(0x59)); - write_number(static_cast(N)); - } - else if (N <= (std::numeric_limits::max)()) - { - oa->write_character(to_char_type(0x5A)); - write_number(static_cast(N)); - } - // LCOV_EXCL_START - else if (N <= (std::numeric_limits::max)()) - { - oa->write_character(to_char_type(0x5B)); - write_number(static_cast(N)); - } - // LCOV_EXCL_STOP - - // step 2: write each element - oa->write_characters( - reinterpret_cast(j.m_value.binary->data()), - N); - - break; - } - - case value_t::object: - { - // step 1: write control byte and the object size - const auto N = j.m_value.object->size(); - if (N <= 0x17) - { - write_number(static_cast(0xA0 + N)); - } - else if (N <= (std::numeric_limits::max)()) - { - oa->write_character(to_char_type(0xB8)); - write_number(static_cast(N)); - } - else if (N <= (std::numeric_limits::max)()) - { - oa->write_character(to_char_type(0xB9)); - write_number(static_cast(N)); - } - else if (N <= (std::numeric_limits::max)()) - { - oa->write_character(to_char_type(0xBA)); - write_number(static_cast(N)); - } - // LCOV_EXCL_START - else if (N <= (std::numeric_limits::max)()) - { - oa->write_character(to_char_type(0xBB)); - write_number(static_cast(N)); - } - // LCOV_EXCL_STOP - - // step 2: write each element - for (const auto& el : *j.m_value.object) - { - write_cbor(el.first); - write_cbor(el.second); - } - break; - } - - default: - break; - } - } - - /*! - @param[in] j JSON value to serialize - */ - void write_msgpack(const BasicJsonType& j) - { - switch (j.type()) - { - case value_t::null: // nil - { - oa->write_character(to_char_type(0xC0)); - break; - } - - case value_t::boolean: // true and false - { - oa->write_character(j.m_value.boolean - ? to_char_type(0xC3) - : to_char_type(0xC2)); - break; - } - - case value_t::number_integer: - { - if (j.m_value.number_integer >= 0) - { - // MessagePack does not differentiate between positive - // signed integers and unsigned integers. Therefore, we used - // the code from the value_t::number_unsigned case here. - if (j.m_value.number_unsigned < 128) - { - // positive fixnum - write_number(static_cast(j.m_value.number_integer)); - } - else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) - { - // uint 8 - oa->write_character(to_char_type(0xCC)); - write_number(static_cast(j.m_value.number_integer)); - } - else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) - { - // uint 16 - oa->write_character(to_char_type(0xCD)); - write_number(static_cast(j.m_value.number_integer)); - } - else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) - { - // uint 32 - oa->write_character(to_char_type(0xCE)); - write_number(static_cast(j.m_value.number_integer)); - } - else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) - { - // uint 64 - oa->write_character(to_char_type(0xCF)); - write_number(static_cast(j.m_value.number_integer)); - } - } - else - { - if (j.m_value.number_integer >= -32) - { - // negative fixnum - write_number(static_cast(j.m_value.number_integer)); - } - else if (j.m_value.number_integer >= (std::numeric_limits::min)() && - j.m_value.number_integer <= (std::numeric_limits::max)()) - { - // int 8 - oa->write_character(to_char_type(0xD0)); - write_number(static_cast(j.m_value.number_integer)); - } - else if (j.m_value.number_integer >= (std::numeric_limits::min)() && - j.m_value.number_integer <= (std::numeric_limits::max)()) - { - // int 16 - oa->write_character(to_char_type(0xD1)); - write_number(static_cast(j.m_value.number_integer)); - } - else if (j.m_value.number_integer >= (std::numeric_limits::min)() && - j.m_value.number_integer <= (std::numeric_limits::max)()) - { - // int 32 - oa->write_character(to_char_type(0xD2)); - write_number(static_cast(j.m_value.number_integer)); - } - else if (j.m_value.number_integer >= (std::numeric_limits::min)() && - j.m_value.number_integer <= (std::numeric_limits::max)()) - { - // int 64 - oa->write_character(to_char_type(0xD3)); - write_number(static_cast(j.m_value.number_integer)); - } - } - break; - } - - case value_t::number_unsigned: - { - if (j.m_value.number_unsigned < 128) - { - // positive fixnum - write_number(static_cast(j.m_value.number_integer)); - } - else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) - { - // uint 8 - oa->write_character(to_char_type(0xCC)); - write_number(static_cast(j.m_value.number_integer)); - } - else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) - { - // uint 16 - oa->write_character(to_char_type(0xCD)); - write_number(static_cast(j.m_value.number_integer)); - } - else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) - { - // uint 32 - oa->write_character(to_char_type(0xCE)); - write_number(static_cast(j.m_value.number_integer)); - } - else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) - { - // uint 64 - oa->write_character(to_char_type(0xCF)); - write_number(static_cast(j.m_value.number_integer)); - } - break; - } - - case value_t::number_float: - { - write_compact_float(j.m_value.number_float, detail::input_format_t::msgpack); - break; - } - - case value_t::string: - { - // step 1: write control byte and the string length - const auto N = j.m_value.string->size(); - if (N <= 31) - { - // fixstr - write_number(static_cast(0xA0 | N)); - } - else if (N <= (std::numeric_limits::max)()) - { - // str 8 - oa->write_character(to_char_type(0xD9)); - write_number(static_cast(N)); - } - else if (N <= (std::numeric_limits::max)()) - { - // str 16 - oa->write_character(to_char_type(0xDA)); - write_number(static_cast(N)); - } - else if (N <= (std::numeric_limits::max)()) - { - // str 32 - oa->write_character(to_char_type(0xDB)); - write_number(static_cast(N)); - } - - // step 2: write the string - oa->write_characters( - reinterpret_cast(j.m_value.string->c_str()), - j.m_value.string->size()); - break; - } - - case value_t::array: - { - // step 1: write control byte and the array size - const auto N = j.m_value.array->size(); - if (N <= 15) - { - // fixarray - write_number(static_cast(0x90 | N)); - } - else if (N <= (std::numeric_limits::max)()) - { - // array 16 - oa->write_character(to_char_type(0xDC)); - write_number(static_cast(N)); - } - else if (N <= (std::numeric_limits::max)()) - { - // array 32 - oa->write_character(to_char_type(0xDD)); - write_number(static_cast(N)); - } - - // step 2: write each element - for (const auto& el : *j.m_value.array) - { - write_msgpack(el); - } - break; - } - - case value_t::binary: - { - // step 0: determine if the binary type has a set subtype to - // determine whether or not to use the ext or fixext types - const bool use_ext = j.m_value.binary->has_subtype(); - - // step 1: write control byte and the byte string length - const auto N = j.m_value.binary->size(); - if (N <= (std::numeric_limits::max)()) - { - std::uint8_t output_type{}; - bool fixed = true; - if (use_ext) - { - switch (N) - { - case 1: - output_type = 0xD4; // fixext 1 - break; - case 2: - output_type = 0xD5; // fixext 2 - break; - case 4: - output_type = 0xD6; // fixext 4 - break; - case 8: - output_type = 0xD7; // fixext 8 - break; - case 16: - output_type = 0xD8; // fixext 16 - break; - default: - output_type = 0xC7; // ext 8 - fixed = false; - break; - } - - } - else - { - output_type = 0xC4; // bin 8 - fixed = false; - } - - oa->write_character(to_char_type(output_type)); - if (!fixed) - { - write_number(static_cast(N)); - } - } - else if (N <= (std::numeric_limits::max)()) - { - std::uint8_t output_type = use_ext - ? 0xC8 // ext 16 - : 0xC5; // bin 16 - - oa->write_character(to_char_type(output_type)); - write_number(static_cast(N)); - } - else if (N <= (std::numeric_limits::max)()) - { - std::uint8_t output_type = use_ext - ? 0xC9 // ext 32 - : 0xC6; // bin 32 - - oa->write_character(to_char_type(output_type)); - write_number(static_cast(N)); - } - - // step 1.5: if this is an ext type, write the subtype - if (use_ext) - { - write_number(static_cast(j.m_value.binary->subtype())); - } - - // step 2: write the byte string - oa->write_characters( - reinterpret_cast(j.m_value.binary->data()), - N); - - break; - } - - case value_t::object: - { - // step 1: write control byte and the object size - const auto N = j.m_value.object->size(); - if (N <= 15) - { - // fixmap - write_number(static_cast(0x80 | (N & 0xF))); - } - else if (N <= (std::numeric_limits::max)()) - { - // map 16 - oa->write_character(to_char_type(0xDE)); - write_number(static_cast(N)); - } - else if (N <= (std::numeric_limits::max)()) - { - // map 32 - oa->write_character(to_char_type(0xDF)); - write_number(static_cast(N)); - } - - // step 2: write each element - for (const auto& el : *j.m_value.object) - { - write_msgpack(el.first); - write_msgpack(el.second); - } - break; - } - - default: - break; - } - } - - /*! - @param[in] j JSON value to serialize - @param[in] use_count whether to use '#' prefixes (optimized format) - @param[in] use_type whether to use '$' prefixes (optimized format) - @param[in] add_prefix whether prefixes need to be used for this value - */ - void write_ubjson(const BasicJsonType& j, const bool use_count, - const bool use_type, const bool add_prefix = true) - { - switch (j.type()) - { - case value_t::null: - { - if (add_prefix) - { - oa->write_character(to_char_type('Z')); - } - break; - } - - case value_t::boolean: - { - if (add_prefix) - { - oa->write_character(j.m_value.boolean - ? to_char_type('T') - : to_char_type('F')); - } - break; - } - - case value_t::number_integer: - { - write_number_with_ubjson_prefix(j.m_value.number_integer, add_prefix); - break; - } - - case value_t::number_unsigned: - { - write_number_with_ubjson_prefix(j.m_value.number_unsigned, add_prefix); - break; - } - - case value_t::number_float: - { - write_number_with_ubjson_prefix(j.m_value.number_float, add_prefix); - break; - } - - case value_t::string: - { - if (add_prefix) - { - oa->write_character(to_char_type('S')); - } - write_number_with_ubjson_prefix(j.m_value.string->size(), true); - oa->write_characters( - reinterpret_cast(j.m_value.string->c_str()), - j.m_value.string->size()); - break; - } - - case value_t::array: - { - if (add_prefix) - { - oa->write_character(to_char_type('[')); - } - - bool prefix_required = true; - if (use_type && !j.m_value.array->empty()) - { - JSON_ASSERT(use_count); - const CharType first_prefix = ubjson_prefix(j.front()); - const bool same_prefix = std::all_of(j.begin() + 1, j.end(), - [this, first_prefix](const BasicJsonType & v) - { - return ubjson_prefix(v) == first_prefix; - }); - - if (same_prefix) - { - prefix_required = false; - oa->write_character(to_char_type('$')); - oa->write_character(first_prefix); - } - } - - if (use_count) - { - oa->write_character(to_char_type('#')); - write_number_with_ubjson_prefix(j.m_value.array->size(), true); - } - - for (const auto& el : *j.m_value.array) - { - write_ubjson(el, use_count, use_type, prefix_required); - } - - if (!use_count) - { - oa->write_character(to_char_type(']')); - } - - break; - } - - case value_t::binary: - { - if (add_prefix) - { - oa->write_character(to_char_type('[')); - } - - if (use_type && !j.m_value.binary->empty()) - { - JSON_ASSERT(use_count); - oa->write_character(to_char_type('$')); - oa->write_character('U'); - } - - if (use_count) - { - oa->write_character(to_char_type('#')); - write_number_with_ubjson_prefix(j.m_value.binary->size(), true); - } - - if (use_type) - { - oa->write_characters( - reinterpret_cast(j.m_value.binary->data()), - j.m_value.binary->size()); - } - else - { - for (size_t i = 0; i < j.m_value.binary->size(); ++i) - { - oa->write_character(to_char_type('U')); - oa->write_character(j.m_value.binary->data()[i]); - } - } - - if (!use_count) - { - oa->write_character(to_char_type(']')); - } - - break; - } - - case value_t::object: - { - if (add_prefix) - { - oa->write_character(to_char_type('{')); - } - - bool prefix_required = true; - if (use_type && !j.m_value.object->empty()) - { - JSON_ASSERT(use_count); - const CharType first_prefix = ubjson_prefix(j.front()); - const bool same_prefix = std::all_of(j.begin(), j.end(), - [this, first_prefix](const BasicJsonType & v) - { - return ubjson_prefix(v) == first_prefix; - }); - - if (same_prefix) - { - prefix_required = false; - oa->write_character(to_char_type('$')); - oa->write_character(first_prefix); - } - } - - if (use_count) - { - oa->write_character(to_char_type('#')); - write_number_with_ubjson_prefix(j.m_value.object->size(), true); - } - - for (const auto& el : *j.m_value.object) - { - write_number_with_ubjson_prefix(el.first.size(), true); - oa->write_characters( - reinterpret_cast(el.first.c_str()), - el.first.size()); - write_ubjson(el.second, use_count, use_type, prefix_required); - } - - if (!use_count) - { - oa->write_character(to_char_type('}')); - } - - break; - } - - default: - break; - } - } - - private: - ////////// - // BSON // - ////////// - - /*! - @return The size of a BSON document entry header, including the id marker - and the entry name size (and its null-terminator). - */ - static std::size_t calc_bson_entry_header_size(const string_t& name) - { - const auto it = name.find(static_cast(0)); - if (JSON_HEDLEY_UNLIKELY(it != BasicJsonType::string_t::npos)) - { - JSON_THROW(out_of_range::create(409, - "BSON key cannot contain code point U+0000 (at byte " + std::to_string(it) + ")")); - } - - return /*id*/ 1ul + name.size() + /*zero-terminator*/1u; - } - - /*! - @brief Writes the given @a element_type and @a name to the output adapter - */ - void write_bson_entry_header(const string_t& name, - const std::uint8_t element_type) - { - oa->write_character(to_char_type(element_type)); // boolean - oa->write_characters( - reinterpret_cast(name.c_str()), - name.size() + 1u); - } - - /*! - @brief Writes a BSON element with key @a name and boolean value @a value - */ - void write_bson_boolean(const string_t& name, - const bool value) - { - write_bson_entry_header(name, 0x08); - oa->write_character(value ? to_char_type(0x01) : to_char_type(0x00)); - } - - /*! - @brief Writes a BSON element with key @a name and double value @a value - */ - void write_bson_double(const string_t& name, - const double value) - { - write_bson_entry_header(name, 0x01); - write_number(value); - } - - /*! - @return The size of the BSON-encoded string in @a value - */ - static std::size_t calc_bson_string_size(const string_t& value) - { - return sizeof(std::int32_t) + value.size() + 1ul; - } - - /*! - @brief Writes a BSON element with key @a name and string value @a value - */ - void write_bson_string(const string_t& name, - const string_t& value) - { - write_bson_entry_header(name, 0x02); - - write_number(static_cast(value.size() + 1ul)); - oa->write_characters( - reinterpret_cast(value.c_str()), - value.size() + 1); - } - - /*! - @brief Writes a BSON element with key @a name and null value - */ - void write_bson_null(const string_t& name) - { - write_bson_entry_header(name, 0x0A); - } - - /*! - @return The size of the BSON-encoded integer @a value - */ - static std::size_t calc_bson_integer_size(const std::int64_t value) - { - return (std::numeric_limits::min)() <= value && value <= (std::numeric_limits::max)() - ? sizeof(std::int32_t) - : sizeof(std::int64_t); - } - - /*! - @brief Writes a BSON element with key @a name and integer @a value - */ - void write_bson_integer(const string_t& name, - const std::int64_t value) - { - if ((std::numeric_limits::min)() <= value && value <= (std::numeric_limits::max)()) - { - write_bson_entry_header(name, 0x10); // int32 - write_number(static_cast(value)); - } - else - { - write_bson_entry_header(name, 0x12); // int64 - write_number(static_cast(value)); - } - } - - /*! - @return The size of the BSON-encoded unsigned integer in @a j - */ - static constexpr std::size_t calc_bson_unsigned_size(const std::uint64_t value) noexcept - { - return (value <= static_cast((std::numeric_limits::max)())) - ? sizeof(std::int32_t) - : sizeof(std::int64_t); - } - - /*! - @brief Writes a BSON element with key @a name and unsigned @a value - */ - void write_bson_unsigned(const string_t& name, - const std::uint64_t value) - { - if (value <= static_cast((std::numeric_limits::max)())) - { - write_bson_entry_header(name, 0x10 /* int32 */); - write_number(static_cast(value)); - } - else if (value <= static_cast((std::numeric_limits::max)())) - { - write_bson_entry_header(name, 0x12 /* int64 */); - write_number(static_cast(value)); - } - else - { - JSON_THROW(out_of_range::create(407, "integer number " + std::to_string(value) + " cannot be represented by BSON as it does not fit int64")); - } - } - - /*! - @brief Writes a BSON element with key @a name and object @a value - */ - void write_bson_object_entry(const string_t& name, - const typename BasicJsonType::object_t& value) - { - write_bson_entry_header(name, 0x03); // object - write_bson_object(value); - } - - /*! - @return The size of the BSON-encoded array @a value - */ - static std::size_t calc_bson_array_size(const typename BasicJsonType::array_t& value) - { - std::size_t array_index = 0ul; - - const std::size_t embedded_document_size = std::accumulate(std::begin(value), std::end(value), std::size_t(0), [&array_index](std::size_t result, const typename BasicJsonType::array_t::value_type & el) - { - return result + calc_bson_element_size(std::to_string(array_index++), el); - }); - - return sizeof(std::int32_t) + embedded_document_size + 1ul; - } - - /*! - @return The size of the BSON-encoded binary array @a value - */ - static std::size_t calc_bson_binary_size(const typename BasicJsonType::binary_t& value) - { - return sizeof(std::int32_t) + value.size() + 1ul; - } - - /*! - @brief Writes a BSON element with key @a name and array @a value - */ - void write_bson_array(const string_t& name, - const typename BasicJsonType::array_t& value) - { - write_bson_entry_header(name, 0x04); // array - write_number(static_cast(calc_bson_array_size(value))); - - std::size_t array_index = 0ul; - - for (const auto& el : value) - { - write_bson_element(std::to_string(array_index++), el); - } - - oa->write_character(to_char_type(0x00)); - } - - /*! - @brief Writes a BSON element with key @a name and binary value @a value - */ - void write_bson_binary(const string_t& name, - const binary_t& value) - { - write_bson_entry_header(name, 0x05); - - write_number(static_cast(value.size())); - write_number(value.has_subtype() ? value.subtype() : std::uint8_t(0x00)); - - oa->write_characters(reinterpret_cast(value.data()), value.size()); - } - - /*! - @brief Calculates the size necessary to serialize the JSON value @a j with its @a name - @return The calculated size for the BSON document entry for @a j with the given @a name. - */ - static std::size_t calc_bson_element_size(const string_t& name, - const BasicJsonType& j) - { - const auto header_size = calc_bson_entry_header_size(name); - switch (j.type()) - { - case value_t::object: - return header_size + calc_bson_object_size(*j.m_value.object); - - case value_t::array: - return header_size + calc_bson_array_size(*j.m_value.array); - - case value_t::binary: - return header_size + calc_bson_binary_size(*j.m_value.binary); - - case value_t::boolean: - return header_size + 1ul; - - case value_t::number_float: - return header_size + 8ul; - - case value_t::number_integer: - return header_size + calc_bson_integer_size(j.m_value.number_integer); - - case value_t::number_unsigned: - return header_size + calc_bson_unsigned_size(j.m_value.number_unsigned); - - case value_t::string: - return header_size + calc_bson_string_size(*j.m_value.string); - - case value_t::null: - return header_size + 0ul; - - // LCOV_EXCL_START - default: - JSON_ASSERT(false); - return 0ul; - // LCOV_EXCL_STOP - } - } - - /*! - @brief Serializes the JSON value @a j to BSON and associates it with the - key @a name. - @param name The name to associate with the JSON entity @a j within the - current BSON document - @return The size of the BSON entry - */ - void write_bson_element(const string_t& name, - const BasicJsonType& j) - { - switch (j.type()) - { - case value_t::object: - return write_bson_object_entry(name, *j.m_value.object); - - case value_t::array: - return write_bson_array(name, *j.m_value.array); - - case value_t::binary: - return write_bson_binary(name, *j.m_value.binary); - - case value_t::boolean: - return write_bson_boolean(name, j.m_value.boolean); - - case value_t::number_float: - return write_bson_double(name, j.m_value.number_float); - - case value_t::number_integer: - return write_bson_integer(name, j.m_value.number_integer); - - case value_t::number_unsigned: - return write_bson_unsigned(name, j.m_value.number_unsigned); - - case value_t::string: - return write_bson_string(name, *j.m_value.string); - - case value_t::null: - return write_bson_null(name); - - // LCOV_EXCL_START - default: - JSON_ASSERT(false); - return; - // LCOV_EXCL_STOP - } - } - - /*! - @brief Calculates the size of the BSON serialization of the given - JSON-object @a j. - @param[in] j JSON value to serialize - @pre j.type() == value_t::object - */ - static std::size_t calc_bson_object_size(const typename BasicJsonType::object_t& value) - { - std::size_t document_size = std::accumulate(value.begin(), value.end(), std::size_t(0), - [](size_t result, const typename BasicJsonType::object_t::value_type & el) - { - return result += calc_bson_element_size(el.first, el.second); - }); - - return sizeof(std::int32_t) + document_size + 1ul; - } - - /*! - @param[in] j JSON value to serialize - @pre j.type() == value_t::object - */ - void write_bson_object(const typename BasicJsonType::object_t& value) - { - write_number(static_cast(calc_bson_object_size(value))); - - for (const auto& el : value) - { - write_bson_element(el.first, el.second); - } - - oa->write_character(to_char_type(0x00)); - } - - ////////// - // CBOR // - ////////// - - static constexpr CharType get_cbor_float_prefix(float /*unused*/) - { - return to_char_type(0xFA); // Single-Precision Float - } - - static constexpr CharType get_cbor_float_prefix(double /*unused*/) - { - return to_char_type(0xFB); // Double-Precision Float - } - - ///////////// - // MsgPack // - ///////////// - - static constexpr CharType get_msgpack_float_prefix(float /*unused*/) - { - return to_char_type(0xCA); // float 32 - } - - static constexpr CharType get_msgpack_float_prefix(double /*unused*/) - { - return to_char_type(0xCB); // float 64 - } - - //////////// - // UBJSON // - //////////// - - // UBJSON: write number (floating point) - template::value, int>::type = 0> - void write_number_with_ubjson_prefix(const NumberType n, - const bool add_prefix) - { - if (add_prefix) - { - oa->write_character(get_ubjson_float_prefix(n)); - } - write_number(n); - } - - // UBJSON: write number (unsigned integer) - template::value, int>::type = 0> - void write_number_with_ubjson_prefix(const NumberType n, - const bool add_prefix) - { - if (n <= static_cast((std::numeric_limits::max)())) - { - if (add_prefix) - { - oa->write_character(to_char_type('i')); // int8 - } - write_number(static_cast(n)); - } - else if (n <= (std::numeric_limits::max)()) - { - if (add_prefix) - { - oa->write_character(to_char_type('U')); // uint8 - } - write_number(static_cast(n)); - } - else if (n <= static_cast((std::numeric_limits::max)())) - { - if (add_prefix) - { - oa->write_character(to_char_type('I')); // int16 - } - write_number(static_cast(n)); - } - else if (n <= static_cast((std::numeric_limits::max)())) - { - if (add_prefix) - { - oa->write_character(to_char_type('l')); // int32 - } - write_number(static_cast(n)); - } - else if (n <= static_cast((std::numeric_limits::max)())) - { - if (add_prefix) - { - oa->write_character(to_char_type('L')); // int64 - } - write_number(static_cast(n)); - } - else - { - if (add_prefix) - { - oa->write_character(to_char_type('H')); // high-precision number - } - - const auto number = BasicJsonType(n).dump(); - write_number_with_ubjson_prefix(number.size(), true); - for (std::size_t i = 0; i < number.size(); ++i) - { - oa->write_character(to_char_type(static_cast(number[i]))); - } - } - } - - // UBJSON: write number (signed integer) - template < typename NumberType, typename std::enable_if < - std::is_signed::value&& - !std::is_floating_point::value, int >::type = 0 > - void write_number_with_ubjson_prefix(const NumberType n, - const bool add_prefix) - { - if ((std::numeric_limits::min)() <= n && n <= (std::numeric_limits::max)()) - { - if (add_prefix) - { - oa->write_character(to_char_type('i')); // int8 - } - write_number(static_cast(n)); - } - else if (static_cast((std::numeric_limits::min)()) <= n && n <= static_cast((std::numeric_limits::max)())) - { - if (add_prefix) - { - oa->write_character(to_char_type('U')); // uint8 - } - write_number(static_cast(n)); - } - else if ((std::numeric_limits::min)() <= n && n <= (std::numeric_limits::max)()) - { - if (add_prefix) - { - oa->write_character(to_char_type('I')); // int16 - } - write_number(static_cast(n)); - } - else if ((std::numeric_limits::min)() <= n && n <= (std::numeric_limits::max)()) - { - if (add_prefix) - { - oa->write_character(to_char_type('l')); // int32 - } - write_number(static_cast(n)); - } - else if ((std::numeric_limits::min)() <= n && n <= (std::numeric_limits::max)()) - { - if (add_prefix) - { - oa->write_character(to_char_type('L')); // int64 - } - write_number(static_cast(n)); - } - // LCOV_EXCL_START - else - { - if (add_prefix) - { - oa->write_character(to_char_type('H')); // high-precision number - } - - const auto number = BasicJsonType(n).dump(); - write_number_with_ubjson_prefix(number.size(), true); - for (std::size_t i = 0; i < number.size(); ++i) - { - oa->write_character(to_char_type(static_cast(number[i]))); - } - } - // LCOV_EXCL_STOP - } - - /*! - @brief determine the type prefix of container values - */ - CharType ubjson_prefix(const BasicJsonType& j) const noexcept - { - switch (j.type()) - { - case value_t::null: - return 'Z'; - - case value_t::boolean: - return j.m_value.boolean ? 'T' : 'F'; - - case value_t::number_integer: - { - if ((std::numeric_limits::min)() <= j.m_value.number_integer && j.m_value.number_integer <= (std::numeric_limits::max)()) - { - return 'i'; - } - if ((std::numeric_limits::min)() <= j.m_value.number_integer && j.m_value.number_integer <= (std::numeric_limits::max)()) - { - return 'U'; - } - if ((std::numeric_limits::min)() <= j.m_value.number_integer && j.m_value.number_integer <= (std::numeric_limits::max)()) - { - return 'I'; - } - if ((std::numeric_limits::min)() <= j.m_value.number_integer && j.m_value.number_integer <= (std::numeric_limits::max)()) - { - return 'l'; - } - if ((std::numeric_limits::min)() <= j.m_value.number_integer && j.m_value.number_integer <= (std::numeric_limits::max)()) - { - return 'L'; - } - // anything else is treated as high-precision number - return 'H'; // LCOV_EXCL_LINE - } - - case value_t::number_unsigned: - { - if (j.m_value.number_unsigned <= static_cast((std::numeric_limits::max)())) - { - return 'i'; - } - if (j.m_value.number_unsigned <= static_cast((std::numeric_limits::max)())) - { - return 'U'; - } - if (j.m_value.number_unsigned <= static_cast((std::numeric_limits::max)())) - { - return 'I'; - } - if (j.m_value.number_unsigned <= static_cast((std::numeric_limits::max)())) - { - return 'l'; - } - if (j.m_value.number_unsigned <= static_cast((std::numeric_limits::max)())) - { - return 'L'; - } - // anything else is treated as high-precision number - return 'H'; // LCOV_EXCL_LINE - } - - case value_t::number_float: - return get_ubjson_float_prefix(j.m_value.number_float); - - case value_t::string: - return 'S'; - - case value_t::array: // fallthrough - case value_t::binary: - return '['; - - case value_t::object: - return '{'; - - default: // discarded values - return 'N'; - } - } - - static constexpr CharType get_ubjson_float_prefix(float /*unused*/) - { - return 'd'; // float 32 - } - - static constexpr CharType get_ubjson_float_prefix(double /*unused*/) - { - return 'D'; // float 64 - } - - /////////////////////// - // Utility functions // - /////////////////////// - - /* - @brief write a number to output input - @param[in] n number of type @a NumberType - @tparam NumberType the type of the number - @tparam OutputIsLittleEndian Set to true if output data is - required to be little endian - - @note This function needs to respect the system's endianess, because bytes - in CBOR, MessagePack, and UBJSON are stored in network order (big - endian) and therefore need reordering on little endian systems. - */ - template - void write_number(const NumberType n) - { - // step 1: write number to array of length NumberType - std::array vec; - std::memcpy(vec.data(), &n, sizeof(NumberType)); - - // step 2: write array to output (with possible reordering) - if (is_little_endian != OutputIsLittleEndian) - { - // reverse byte order prior to conversion if necessary - std::reverse(vec.begin(), vec.end()); - } - - oa->write_characters(vec.data(), sizeof(NumberType)); - } - - void write_compact_float(const number_float_t n, detail::input_format_t format) - { - if (static_cast(n) >= static_cast(std::numeric_limits::lowest()) && - static_cast(n) <= static_cast((std::numeric_limits::max)()) && - static_cast(static_cast(n)) == static_cast(n)) - { - oa->write_character(format == detail::input_format_t::cbor - ? get_cbor_float_prefix(static_cast(n)) - : get_msgpack_float_prefix(static_cast(n))); - write_number(static_cast(n)); - } - else - { - oa->write_character(format == detail::input_format_t::cbor - ? get_cbor_float_prefix(n) - : get_msgpack_float_prefix(n)); - write_number(n); - } - } - - public: - // The following to_char_type functions are implement the conversion - // between uint8_t and CharType. In case CharType is not unsigned, - // such a conversion is required to allow values greater than 128. - // See for a discussion. - template < typename C = CharType, - enable_if_t < std::is_signed::value && std::is_signed::value > * = nullptr > - static constexpr CharType to_char_type(std::uint8_t x) noexcept - { - return *reinterpret_cast(&x); - } - - template < typename C = CharType, - enable_if_t < std::is_signed::value && std::is_unsigned::value > * = nullptr > - static CharType to_char_type(std::uint8_t x) noexcept - { - static_assert(sizeof(std::uint8_t) == sizeof(CharType), "size of CharType must be equal to std::uint8_t"); - static_assert(std::is_trivial::value, "CharType must be trivial"); - CharType result; - std::memcpy(&result, &x, sizeof(x)); - return result; - } - - template::value>* = nullptr> - static constexpr CharType to_char_type(std::uint8_t x) noexcept - { - return x; - } - - template < typename InputCharType, typename C = CharType, - enable_if_t < - std::is_signed::value && - std::is_signed::value && - std::is_same::type>::value - > * = nullptr > - static constexpr CharType to_char_type(InputCharType x) noexcept - { - return x; - } - - private: - /// whether we can assume little endianess - const bool is_little_endian = little_endianess(); - - /// the output - output_adapter_t oa = nullptr; -}; -} // namespace detail -} // namespace nlohmann - -// #include - -// #include - - -#include // reverse, remove, fill, find, none_of -#include // array -#include // localeconv, lconv -#include // labs, isfinite, isnan, signbit -#include // size_t, ptrdiff_t -#include // uint8_t -#include // snprintf -#include // numeric_limits -#include // string, char_traits -#include // is_same -#include // move - -// #include - - -#include // array -#include // signbit, isfinite -#include // intN_t, uintN_t -#include // memcpy, memmove -#include // numeric_limits -#include // conditional - -// #include - - -namespace nlohmann -{ -namespace detail -{ - -/*! -@brief implements the Grisu2 algorithm for binary to decimal floating-point -conversion. - -This implementation is a slightly modified version of the reference -implementation which may be obtained from -http://florian.loitsch.com/publications (bench.tar.gz). - -The code is distributed under the MIT license, Copyright (c) 2009 Florian Loitsch. - -For a detailed description of the algorithm see: - -[1] Loitsch, "Printing Floating-Point Numbers Quickly and Accurately with - Integers", Proceedings of the ACM SIGPLAN 2010 Conference on Programming - Language Design and Implementation, PLDI 2010 -[2] Burger, Dybvig, "Printing Floating-Point Numbers Quickly and Accurately", - Proceedings of the ACM SIGPLAN 1996 Conference on Programming Language - Design and Implementation, PLDI 1996 -*/ -namespace dtoa_impl -{ - -template -Target reinterpret_bits(const Source source) -{ - static_assert(sizeof(Target) == sizeof(Source), "size mismatch"); - - Target target; - std::memcpy(&target, &source, sizeof(Source)); - return target; -} - -struct diyfp // f * 2^e -{ - static constexpr int kPrecision = 64; // = q - - std::uint64_t f = 0; - int e = 0; - - constexpr diyfp(std::uint64_t f_, int e_) noexcept : f(f_), e(e_) {} - - /*! - @brief returns x - y - @pre x.e == y.e and x.f >= y.f - */ - static diyfp sub(const diyfp& x, const diyfp& y) noexcept - { - JSON_ASSERT(x.e == y.e); - JSON_ASSERT(x.f >= y.f); - - return {x.f - y.f, x.e}; - } - - /*! - @brief returns x * y - @note The result is rounded. (Only the upper q bits are returned.) - */ - static diyfp mul(const diyfp& x, const diyfp& y) noexcept - { - static_assert(kPrecision == 64, "internal error"); - - // Computes: - // f = round((x.f * y.f) / 2^q) - // e = x.e + y.e + q - - // Emulate the 64-bit * 64-bit multiplication: - // - // p = u * v - // = (u_lo + 2^32 u_hi) (v_lo + 2^32 v_hi) - // = (u_lo v_lo ) + 2^32 ((u_lo v_hi ) + (u_hi v_lo )) + 2^64 (u_hi v_hi ) - // = (p0 ) + 2^32 ((p1 ) + (p2 )) + 2^64 (p3 ) - // = (p0_lo + 2^32 p0_hi) + 2^32 ((p1_lo + 2^32 p1_hi) + (p2_lo + 2^32 p2_hi)) + 2^64 (p3 ) - // = (p0_lo ) + 2^32 (p0_hi + p1_lo + p2_lo ) + 2^64 (p1_hi + p2_hi + p3) - // = (p0_lo ) + 2^32 (Q ) + 2^64 (H ) - // = (p0_lo ) + 2^32 (Q_lo + 2^32 Q_hi ) + 2^64 (H ) - // - // (Since Q might be larger than 2^32 - 1) - // - // = (p0_lo + 2^32 Q_lo) + 2^64 (Q_hi + H) - // - // (Q_hi + H does not overflow a 64-bit int) - // - // = p_lo + 2^64 p_hi - - const std::uint64_t u_lo = x.f & 0xFFFFFFFFu; - const std::uint64_t u_hi = x.f >> 32u; - const std::uint64_t v_lo = y.f & 0xFFFFFFFFu; - const std::uint64_t v_hi = y.f >> 32u; - - const std::uint64_t p0 = u_lo * v_lo; - const std::uint64_t p1 = u_lo * v_hi; - const std::uint64_t p2 = u_hi * v_lo; - const std::uint64_t p3 = u_hi * v_hi; - - const std::uint64_t p0_hi = p0 >> 32u; - const std::uint64_t p1_lo = p1 & 0xFFFFFFFFu; - const std::uint64_t p1_hi = p1 >> 32u; - const std::uint64_t p2_lo = p2 & 0xFFFFFFFFu; - const std::uint64_t p2_hi = p2 >> 32u; - - std::uint64_t Q = p0_hi + p1_lo + p2_lo; - - // The full product might now be computed as - // - // p_hi = p3 + p2_hi + p1_hi + (Q >> 32) - // p_lo = p0_lo + (Q << 32) - // - // But in this particular case here, the full p_lo is not required. - // Effectively we only need to add the highest bit in p_lo to p_hi (and - // Q_hi + 1 does not overflow). - - Q += std::uint64_t{1} << (64u - 32u - 1u); // round, ties up - - const std::uint64_t h = p3 + p2_hi + p1_hi + (Q >> 32u); - - return {h, x.e + y.e + 64}; - } - - /*! - @brief normalize x such that the significand is >= 2^(q-1) - @pre x.f != 0 - */ - static diyfp normalize(diyfp x) noexcept - { - JSON_ASSERT(x.f != 0); - - while ((x.f >> 63u) == 0) - { - x.f <<= 1u; - x.e--; - } - - return x; - } - - /*! - @brief normalize x such that the result has the exponent E - @pre e >= x.e and the upper e - x.e bits of x.f must be zero. - */ - static diyfp normalize_to(const diyfp& x, const int target_exponent) noexcept - { - const int delta = x.e - target_exponent; - - JSON_ASSERT(delta >= 0); - JSON_ASSERT(((x.f << delta) >> delta) == x.f); - - return {x.f << delta, target_exponent}; - } -}; - -struct boundaries -{ - diyfp w; - diyfp minus; - diyfp plus; -}; - -/*! -Compute the (normalized) diyfp representing the input number 'value' and its -boundaries. - -@pre value must be finite and positive -*/ -template -boundaries compute_boundaries(FloatType value) -{ - JSON_ASSERT(std::isfinite(value)); - JSON_ASSERT(value > 0); - - // Convert the IEEE representation into a diyfp. - // - // If v is denormal: - // value = 0.F * 2^(1 - bias) = ( F) * 2^(1 - bias - (p-1)) - // If v is normalized: - // value = 1.F * 2^(E - bias) = (2^(p-1) + F) * 2^(E - bias - (p-1)) - - static_assert(std::numeric_limits::is_iec559, - "internal error: dtoa_short requires an IEEE-754 floating-point implementation"); - - constexpr int kPrecision = std::numeric_limits::digits; // = p (includes the hidden bit) - constexpr int kBias = std::numeric_limits::max_exponent - 1 + (kPrecision - 1); - constexpr int kMinExp = 1 - kBias; - constexpr std::uint64_t kHiddenBit = std::uint64_t{1} << (kPrecision - 1); // = 2^(p-1) - - using bits_type = typename std::conditional::type; - - const std::uint64_t bits = reinterpret_bits(value); - const std::uint64_t E = bits >> (kPrecision - 1); - const std::uint64_t F = bits & (kHiddenBit - 1); - - const bool is_denormal = E == 0; - const diyfp v = is_denormal - ? diyfp(F, kMinExp) - : diyfp(F + kHiddenBit, static_cast(E) - kBias); - - // Compute the boundaries m- and m+ of the floating-point value - // v = f * 2^e. - // - // Determine v- and v+, the floating-point predecessor and successor if v, - // respectively. - // - // v- = v - 2^e if f != 2^(p-1) or e == e_min (A) - // = v - 2^(e-1) if f == 2^(p-1) and e > e_min (B) - // - // v+ = v + 2^e - // - // Let m- = (v- + v) / 2 and m+ = (v + v+) / 2. All real numbers _strictly_ - // between m- and m+ round to v, regardless of how the input rounding - // algorithm breaks ties. - // - // ---+-------------+-------------+-------------+-------------+--- (A) - // v- m- v m+ v+ - // - // -----------------+------+------+-------------+-------------+--- (B) - // v- m- v m+ v+ - - const bool lower_boundary_is_closer = F == 0 && E > 1; - const diyfp m_plus = diyfp(2 * v.f + 1, v.e - 1); - const diyfp m_minus = lower_boundary_is_closer - ? diyfp(4 * v.f - 1, v.e - 2) // (B) - : diyfp(2 * v.f - 1, v.e - 1); // (A) - - // Determine the normalized w+ = m+. - const diyfp w_plus = diyfp::normalize(m_plus); - - // Determine w- = m- such that e_(w-) = e_(w+). - const diyfp w_minus = diyfp::normalize_to(m_minus, w_plus.e); - - return {diyfp::normalize(v), w_minus, w_plus}; -} - -// Given normalized diyfp w, Grisu needs to find a (normalized) cached -// power-of-ten c, such that the exponent of the product c * w = f * 2^e lies -// within a certain range [alpha, gamma] (Definition 3.2 from [1]) -// -// alpha <= e = e_c + e_w + q <= gamma -// -// or -// -// f_c * f_w * 2^alpha <= f_c 2^(e_c) * f_w 2^(e_w) * 2^q -// <= f_c * f_w * 2^gamma -// -// Since c and w are normalized, i.e. 2^(q-1) <= f < 2^q, this implies -// -// 2^(q-1) * 2^(q-1) * 2^alpha <= c * w * 2^q < 2^q * 2^q * 2^gamma -// -// or -// -// 2^(q - 2 + alpha) <= c * w < 2^(q + gamma) -// -// The choice of (alpha,gamma) determines the size of the table and the form of -// the digit generation procedure. Using (alpha,gamma)=(-60,-32) works out well -// in practice: -// -// The idea is to cut the number c * w = f * 2^e into two parts, which can be -// processed independently: An integral part p1, and a fractional part p2: -// -// f * 2^e = ( (f div 2^-e) * 2^-e + (f mod 2^-e) ) * 2^e -// = (f div 2^-e) + (f mod 2^-e) * 2^e -// = p1 + p2 * 2^e -// -// The conversion of p1 into decimal form requires a series of divisions and -// modulos by (a power of) 10. These operations are faster for 32-bit than for -// 64-bit integers, so p1 should ideally fit into a 32-bit integer. This can be -// achieved by choosing -// -// -e >= 32 or e <= -32 := gamma -// -// In order to convert the fractional part -// -// p2 * 2^e = p2 / 2^-e = d[-1] / 10^1 + d[-2] / 10^2 + ... -// -// into decimal form, the fraction is repeatedly multiplied by 10 and the digits -// d[-i] are extracted in order: -// -// (10 * p2) div 2^-e = d[-1] -// (10 * p2) mod 2^-e = d[-2] / 10^1 + ... -// -// The multiplication by 10 must not overflow. It is sufficient to choose -// -// 10 * p2 < 16 * p2 = 2^4 * p2 <= 2^64. -// -// Since p2 = f mod 2^-e < 2^-e, -// -// -e <= 60 or e >= -60 := alpha - -constexpr int kAlpha = -60; -constexpr int kGamma = -32; - -struct cached_power // c = f * 2^e ~= 10^k -{ - std::uint64_t f; - int e; - int k; -}; - -/*! -For a normalized diyfp w = f * 2^e, this function returns a (normalized) cached -power-of-ten c = f_c * 2^e_c, such that the exponent of the product w * c -satisfies (Definition 3.2 from [1]) - - alpha <= e_c + e + q <= gamma. -*/ -inline cached_power get_cached_power_for_binary_exponent(int e) -{ - // Now - // - // alpha <= e_c + e + q <= gamma (1) - // ==> f_c * 2^alpha <= c * 2^e * 2^q - // - // and since the c's are normalized, 2^(q-1) <= f_c, - // - // ==> 2^(q - 1 + alpha) <= c * 2^(e + q) - // ==> 2^(alpha - e - 1) <= c - // - // If c were an exact power of ten, i.e. c = 10^k, one may determine k as - // - // k = ceil( log_10( 2^(alpha - e - 1) ) ) - // = ceil( (alpha - e - 1) * log_10(2) ) - // - // From the paper: - // "In theory the result of the procedure could be wrong since c is rounded, - // and the computation itself is approximated [...]. In practice, however, - // this simple function is sufficient." - // - // For IEEE double precision floating-point numbers converted into - // normalized diyfp's w = f * 2^e, with q = 64, - // - // e >= -1022 (min IEEE exponent) - // -52 (p - 1) - // -52 (p - 1, possibly normalize denormal IEEE numbers) - // -11 (normalize the diyfp) - // = -1137 - // - // and - // - // e <= +1023 (max IEEE exponent) - // -52 (p - 1) - // -11 (normalize the diyfp) - // = 960 - // - // This binary exponent range [-1137,960] results in a decimal exponent - // range [-307,324]. One does not need to store a cached power for each - // k in this range. For each such k it suffices to find a cached power - // such that the exponent of the product lies in [alpha,gamma]. - // This implies that the difference of the decimal exponents of adjacent - // table entries must be less than or equal to - // - // floor( (gamma - alpha) * log_10(2) ) = 8. - // - // (A smaller distance gamma-alpha would require a larger table.) - - // NB: - // Actually this function returns c, such that -60 <= e_c + e + 64 <= -34. - - constexpr int kCachedPowersMinDecExp = -300; - constexpr int kCachedPowersDecStep = 8; - - static constexpr std::array kCachedPowers = - { - { - { 0xAB70FE17C79AC6CA, -1060, -300 }, - { 0xFF77B1FCBEBCDC4F, -1034, -292 }, - { 0xBE5691EF416BD60C, -1007, -284 }, - { 0x8DD01FAD907FFC3C, -980, -276 }, - { 0xD3515C2831559A83, -954, -268 }, - { 0x9D71AC8FADA6C9B5, -927, -260 }, - { 0xEA9C227723EE8BCB, -901, -252 }, - { 0xAECC49914078536D, -874, -244 }, - { 0x823C12795DB6CE57, -847, -236 }, - { 0xC21094364DFB5637, -821, -228 }, - { 0x9096EA6F3848984F, -794, -220 }, - { 0xD77485CB25823AC7, -768, -212 }, - { 0xA086CFCD97BF97F4, -741, -204 }, - { 0xEF340A98172AACE5, -715, -196 }, - { 0xB23867FB2A35B28E, -688, -188 }, - { 0x84C8D4DFD2C63F3B, -661, -180 }, - { 0xC5DD44271AD3CDBA, -635, -172 }, - { 0x936B9FCEBB25C996, -608, -164 }, - { 0xDBAC6C247D62A584, -582, -156 }, - { 0xA3AB66580D5FDAF6, -555, -148 }, - { 0xF3E2F893DEC3F126, -529, -140 }, - { 0xB5B5ADA8AAFF80B8, -502, -132 }, - { 0x87625F056C7C4A8B, -475, -124 }, - { 0xC9BCFF6034C13053, -449, -116 }, - { 0x964E858C91BA2655, -422, -108 }, - { 0xDFF9772470297EBD, -396, -100 }, - { 0xA6DFBD9FB8E5B88F, -369, -92 }, - { 0xF8A95FCF88747D94, -343, -84 }, - { 0xB94470938FA89BCF, -316, -76 }, - { 0x8A08F0F8BF0F156B, -289, -68 }, - { 0xCDB02555653131B6, -263, -60 }, - { 0x993FE2C6D07B7FAC, -236, -52 }, - { 0xE45C10C42A2B3B06, -210, -44 }, - { 0xAA242499697392D3, -183, -36 }, - { 0xFD87B5F28300CA0E, -157, -28 }, - { 0xBCE5086492111AEB, -130, -20 }, - { 0x8CBCCC096F5088CC, -103, -12 }, - { 0xD1B71758E219652C, -77, -4 }, - { 0x9C40000000000000, -50, 4 }, - { 0xE8D4A51000000000, -24, 12 }, - { 0xAD78EBC5AC620000, 3, 20 }, - { 0x813F3978F8940984, 30, 28 }, - { 0xC097CE7BC90715B3, 56, 36 }, - { 0x8F7E32CE7BEA5C70, 83, 44 }, - { 0xD5D238A4ABE98068, 109, 52 }, - { 0x9F4F2726179A2245, 136, 60 }, - { 0xED63A231D4C4FB27, 162, 68 }, - { 0xB0DE65388CC8ADA8, 189, 76 }, - { 0x83C7088E1AAB65DB, 216, 84 }, - { 0xC45D1DF942711D9A, 242, 92 }, - { 0x924D692CA61BE758, 269, 100 }, - { 0xDA01EE641A708DEA, 295, 108 }, - { 0xA26DA3999AEF774A, 322, 116 }, - { 0xF209787BB47D6B85, 348, 124 }, - { 0xB454E4A179DD1877, 375, 132 }, - { 0x865B86925B9BC5C2, 402, 140 }, - { 0xC83553C5C8965D3D, 428, 148 }, - { 0x952AB45CFA97A0B3, 455, 156 }, - { 0xDE469FBD99A05FE3, 481, 164 }, - { 0xA59BC234DB398C25, 508, 172 }, - { 0xF6C69A72A3989F5C, 534, 180 }, - { 0xB7DCBF5354E9BECE, 561, 188 }, - { 0x88FCF317F22241E2, 588, 196 }, - { 0xCC20CE9BD35C78A5, 614, 204 }, - { 0x98165AF37B2153DF, 641, 212 }, - { 0xE2A0B5DC971F303A, 667, 220 }, - { 0xA8D9D1535CE3B396, 694, 228 }, - { 0xFB9B7CD9A4A7443C, 720, 236 }, - { 0xBB764C4CA7A44410, 747, 244 }, - { 0x8BAB8EEFB6409C1A, 774, 252 }, - { 0xD01FEF10A657842C, 800, 260 }, - { 0x9B10A4E5E9913129, 827, 268 }, - { 0xE7109BFBA19C0C9D, 853, 276 }, - { 0xAC2820D9623BF429, 880, 284 }, - { 0x80444B5E7AA7CF85, 907, 292 }, - { 0xBF21E44003ACDD2D, 933, 300 }, - { 0x8E679C2F5E44FF8F, 960, 308 }, - { 0xD433179D9C8CB841, 986, 316 }, - { 0x9E19DB92B4E31BA9, 1013, 324 }, - } - }; - - // This computation gives exactly the same results for k as - // k = ceil((kAlpha - e - 1) * 0.30102999566398114) - // for |e| <= 1500, but doesn't require floating-point operations. - // NB: log_10(2) ~= 78913 / 2^18 - JSON_ASSERT(e >= -1500); - JSON_ASSERT(e <= 1500); - const int f = kAlpha - e - 1; - const int k = (f * 78913) / (1 << 18) + static_cast(f > 0); - - const int index = (-kCachedPowersMinDecExp + k + (kCachedPowersDecStep - 1)) / kCachedPowersDecStep; - JSON_ASSERT(index >= 0); - JSON_ASSERT(static_cast(index) < kCachedPowers.size()); - - const cached_power cached = kCachedPowers[static_cast(index)]; - JSON_ASSERT(kAlpha <= cached.e + e + 64); - JSON_ASSERT(kGamma >= cached.e + e + 64); - - return cached; -} - -/*! -For n != 0, returns k, such that pow10 := 10^(k-1) <= n < 10^k. -For n == 0, returns 1 and sets pow10 := 1. -*/ -inline int find_largest_pow10(const std::uint32_t n, std::uint32_t& pow10) -{ - // LCOV_EXCL_START - if (n >= 1000000000) - { - pow10 = 1000000000; - return 10; - } - // LCOV_EXCL_STOP - else if (n >= 100000000) - { - pow10 = 100000000; - return 9; - } - else if (n >= 10000000) - { - pow10 = 10000000; - return 8; - } - else if (n >= 1000000) - { - pow10 = 1000000; - return 7; - } - else if (n >= 100000) - { - pow10 = 100000; - return 6; - } - else if (n >= 10000) - { - pow10 = 10000; - return 5; - } - else if (n >= 1000) - { - pow10 = 1000; - return 4; - } - else if (n >= 100) - { - pow10 = 100; - return 3; - } - else if (n >= 10) - { - pow10 = 10; - return 2; - } - else - { - pow10 = 1; - return 1; - } -} - -inline void grisu2_round(char* buf, int len, std::uint64_t dist, std::uint64_t delta, - std::uint64_t rest, std::uint64_t ten_k) -{ - JSON_ASSERT(len >= 1); - JSON_ASSERT(dist <= delta); - JSON_ASSERT(rest <= delta); - JSON_ASSERT(ten_k > 0); - - // <--------------------------- delta ----> - // <---- dist ---------> - // --------------[------------------+-------------------]-------------- - // M- w M+ - // - // ten_k - // <------> - // <---- rest ----> - // --------------[------------------+----+--------------]-------------- - // w V - // = buf * 10^k - // - // ten_k represents a unit-in-the-last-place in the decimal representation - // stored in buf. - // Decrement buf by ten_k while this takes buf closer to w. - - // The tests are written in this order to avoid overflow in unsigned - // integer arithmetic. - - while (rest < dist - && delta - rest >= ten_k - && (rest + ten_k < dist || dist - rest > rest + ten_k - dist)) - { - JSON_ASSERT(buf[len - 1] != '0'); - buf[len - 1]--; - rest += ten_k; - } -} - -/*! -Generates V = buffer * 10^decimal_exponent, such that M- <= V <= M+. -M- and M+ must be normalized and share the same exponent -60 <= e <= -32. -*/ -inline void grisu2_digit_gen(char* buffer, int& length, int& decimal_exponent, - diyfp M_minus, diyfp w, diyfp M_plus) -{ - static_assert(kAlpha >= -60, "internal error"); - static_assert(kGamma <= -32, "internal error"); - - // Generates the digits (and the exponent) of a decimal floating-point - // number V = buffer * 10^decimal_exponent in the range [M-, M+]. The diyfp's - // w, M- and M+ share the same exponent e, which satisfies alpha <= e <= gamma. - // - // <--------------------------- delta ----> - // <---- dist ---------> - // --------------[------------------+-------------------]-------------- - // M- w M+ - // - // Grisu2 generates the digits of M+ from left to right and stops as soon as - // V is in [M-,M+]. - - JSON_ASSERT(M_plus.e >= kAlpha); - JSON_ASSERT(M_plus.e <= kGamma); - - std::uint64_t delta = diyfp::sub(M_plus, M_minus).f; // (significand of (M+ - M-), implicit exponent is e) - std::uint64_t dist = diyfp::sub(M_plus, w ).f; // (significand of (M+ - w ), implicit exponent is e) - - // Split M+ = f * 2^e into two parts p1 and p2 (note: e < 0): - // - // M+ = f * 2^e - // = ((f div 2^-e) * 2^-e + (f mod 2^-e)) * 2^e - // = ((p1 ) * 2^-e + (p2 )) * 2^e - // = p1 + p2 * 2^e - - const diyfp one(std::uint64_t{1} << -M_plus.e, M_plus.e); - - auto p1 = static_cast(M_plus.f >> -one.e); // p1 = f div 2^-e (Since -e >= 32, p1 fits into a 32-bit int.) - std::uint64_t p2 = M_plus.f & (one.f - 1); // p2 = f mod 2^-e - - // 1) - // - // Generate the digits of the integral part p1 = d[n-1]...d[1]d[0] - - JSON_ASSERT(p1 > 0); - - std::uint32_t pow10; - const int k = find_largest_pow10(p1, pow10); - - // 10^(k-1) <= p1 < 10^k, pow10 = 10^(k-1) - // - // p1 = (p1 div 10^(k-1)) * 10^(k-1) + (p1 mod 10^(k-1)) - // = (d[k-1] ) * 10^(k-1) + (p1 mod 10^(k-1)) - // - // M+ = p1 + p2 * 2^e - // = d[k-1] * 10^(k-1) + (p1 mod 10^(k-1)) + p2 * 2^e - // = d[k-1] * 10^(k-1) + ((p1 mod 10^(k-1)) * 2^-e + p2) * 2^e - // = d[k-1] * 10^(k-1) + ( rest) * 2^e - // - // Now generate the digits d[n] of p1 from left to right (n = k-1,...,0) - // - // p1 = d[k-1]...d[n] * 10^n + d[n-1]...d[0] - // - // but stop as soon as - // - // rest * 2^e = (d[n-1]...d[0] * 2^-e + p2) * 2^e <= delta * 2^e - - int n = k; - while (n > 0) - { - // Invariants: - // M+ = buffer * 10^n + (p1 + p2 * 2^e) (buffer = 0 for n = k) - // pow10 = 10^(n-1) <= p1 < 10^n - // - const std::uint32_t d = p1 / pow10; // d = p1 div 10^(n-1) - const std::uint32_t r = p1 % pow10; // r = p1 mod 10^(n-1) - // - // M+ = buffer * 10^n + (d * 10^(n-1) + r) + p2 * 2^e - // = (buffer * 10 + d) * 10^(n-1) + (r + p2 * 2^e) - // - JSON_ASSERT(d <= 9); - buffer[length++] = static_cast('0' + d); // buffer := buffer * 10 + d - // - // M+ = buffer * 10^(n-1) + (r + p2 * 2^e) - // - p1 = r; - n--; - // - // M+ = buffer * 10^n + (p1 + p2 * 2^e) - // pow10 = 10^n - // - - // Now check if enough digits have been generated. - // Compute - // - // p1 + p2 * 2^e = (p1 * 2^-e + p2) * 2^e = rest * 2^e - // - // Note: - // Since rest and delta share the same exponent e, it suffices to - // compare the significands. - const std::uint64_t rest = (std::uint64_t{p1} << -one.e) + p2; - if (rest <= delta) - { - // V = buffer * 10^n, with M- <= V <= M+. - - decimal_exponent += n; - - // We may now just stop. But instead look if the buffer could be - // decremented to bring V closer to w. - // - // pow10 = 10^n is now 1 ulp in the decimal representation V. - // The rounding procedure works with diyfp's with an implicit - // exponent of e. - // - // 10^n = (10^n * 2^-e) * 2^e = ulp * 2^e - // - const std::uint64_t ten_n = std::uint64_t{pow10} << -one.e; - grisu2_round(buffer, length, dist, delta, rest, ten_n); - - return; - } - - pow10 /= 10; - // - // pow10 = 10^(n-1) <= p1 < 10^n - // Invariants restored. - } - - // 2) - // - // The digits of the integral part have been generated: - // - // M+ = d[k-1]...d[1]d[0] + p2 * 2^e - // = buffer + p2 * 2^e - // - // Now generate the digits of the fractional part p2 * 2^e. - // - // Note: - // No decimal point is generated: the exponent is adjusted instead. - // - // p2 actually represents the fraction - // - // p2 * 2^e - // = p2 / 2^-e - // = d[-1] / 10^1 + d[-2] / 10^2 + ... - // - // Now generate the digits d[-m] of p1 from left to right (m = 1,2,...) - // - // p2 * 2^e = d[-1]d[-2]...d[-m] * 10^-m - // + 10^-m * (d[-m-1] / 10^1 + d[-m-2] / 10^2 + ...) - // - // using - // - // 10^m * p2 = ((10^m * p2) div 2^-e) * 2^-e + ((10^m * p2) mod 2^-e) - // = ( d) * 2^-e + ( r) - // - // or - // 10^m * p2 * 2^e = d + r * 2^e - // - // i.e. - // - // M+ = buffer + p2 * 2^e - // = buffer + 10^-m * (d + r * 2^e) - // = (buffer * 10^m + d) * 10^-m + 10^-m * r * 2^e - // - // and stop as soon as 10^-m * r * 2^e <= delta * 2^e - - JSON_ASSERT(p2 > delta); - - int m = 0; - for (;;) - { - // Invariant: - // M+ = buffer * 10^-m + 10^-m * (d[-m-1] / 10 + d[-m-2] / 10^2 + ...) * 2^e - // = buffer * 10^-m + 10^-m * (p2 ) * 2^e - // = buffer * 10^-m + 10^-m * (1/10 * (10 * p2) ) * 2^e - // = buffer * 10^-m + 10^-m * (1/10 * ((10*p2 div 2^-e) * 2^-e + (10*p2 mod 2^-e)) * 2^e - // - JSON_ASSERT(p2 <= (std::numeric_limits::max)() / 10); - p2 *= 10; - const std::uint64_t d = p2 >> -one.e; // d = (10 * p2) div 2^-e - const std::uint64_t r = p2 & (one.f - 1); // r = (10 * p2) mod 2^-e - // - // M+ = buffer * 10^-m + 10^-m * (1/10 * (d * 2^-e + r) * 2^e - // = buffer * 10^-m + 10^-m * (1/10 * (d + r * 2^e)) - // = (buffer * 10 + d) * 10^(-m-1) + 10^(-m-1) * r * 2^e - // - JSON_ASSERT(d <= 9); - buffer[length++] = static_cast('0' + d); // buffer := buffer * 10 + d - // - // M+ = buffer * 10^(-m-1) + 10^(-m-1) * r * 2^e - // - p2 = r; - m++; - // - // M+ = buffer * 10^-m + 10^-m * p2 * 2^e - // Invariant restored. - - // Check if enough digits have been generated. - // - // 10^-m * p2 * 2^e <= delta * 2^e - // p2 * 2^e <= 10^m * delta * 2^e - // p2 <= 10^m * delta - delta *= 10; - dist *= 10; - if (p2 <= delta) - { - break; - } - } - - // V = buffer * 10^-m, with M- <= V <= M+. - - decimal_exponent -= m; - - // 1 ulp in the decimal representation is now 10^-m. - // Since delta and dist are now scaled by 10^m, we need to do the - // same with ulp in order to keep the units in sync. - // - // 10^m * 10^-m = 1 = 2^-e * 2^e = ten_m * 2^e - // - const std::uint64_t ten_m = one.f; - grisu2_round(buffer, length, dist, delta, p2, ten_m); - - // By construction this algorithm generates the shortest possible decimal - // number (Loitsch, Theorem 6.2) which rounds back to w. - // For an input number of precision p, at least - // - // N = 1 + ceil(p * log_10(2)) - // - // decimal digits are sufficient to identify all binary floating-point - // numbers (Matula, "In-and-Out conversions"). - // This implies that the algorithm does not produce more than N decimal - // digits. - // - // N = 17 for p = 53 (IEEE double precision) - // N = 9 for p = 24 (IEEE single precision) -} - -/*! -v = buf * 10^decimal_exponent -len is the length of the buffer (number of decimal digits) -The buffer must be large enough, i.e. >= max_digits10. -*/ -JSON_HEDLEY_NON_NULL(1) -inline void grisu2(char* buf, int& len, int& decimal_exponent, - diyfp m_minus, diyfp v, diyfp m_plus) -{ - JSON_ASSERT(m_plus.e == m_minus.e); - JSON_ASSERT(m_plus.e == v.e); - - // --------(-----------------------+-----------------------)-------- (A) - // m- v m+ - // - // --------------------(-----------+-----------------------)-------- (B) - // m- v m+ - // - // First scale v (and m- and m+) such that the exponent is in the range - // [alpha, gamma]. - - const cached_power cached = get_cached_power_for_binary_exponent(m_plus.e); - - const diyfp c_minus_k(cached.f, cached.e); // = c ~= 10^-k - - // The exponent of the products is = v.e + c_minus_k.e + q and is in the range [alpha,gamma] - const diyfp w = diyfp::mul(v, c_minus_k); - const diyfp w_minus = diyfp::mul(m_minus, c_minus_k); - const diyfp w_plus = diyfp::mul(m_plus, c_minus_k); - - // ----(---+---)---------------(---+---)---------------(---+---)---- - // w- w w+ - // = c*m- = c*v = c*m+ - // - // diyfp::mul rounds its result and c_minus_k is approximated too. w, w- and - // w+ are now off by a small amount. - // In fact: - // - // w - v * 10^k < 1 ulp - // - // To account for this inaccuracy, add resp. subtract 1 ulp. - // - // --------+---[---------------(---+---)---------------]---+-------- - // w- M- w M+ w+ - // - // Now any number in [M-, M+] (bounds included) will round to w when input, - // regardless of how the input rounding algorithm breaks ties. - // - // And digit_gen generates the shortest possible such number in [M-, M+]. - // Note that this does not mean that Grisu2 always generates the shortest - // possible number in the interval (m-, m+). - const diyfp M_minus(w_minus.f + 1, w_minus.e); - const diyfp M_plus (w_plus.f - 1, w_plus.e ); - - decimal_exponent = -cached.k; // = -(-k) = k - - grisu2_digit_gen(buf, len, decimal_exponent, M_minus, w, M_plus); -} - -/*! -v = buf * 10^decimal_exponent -len is the length of the buffer (number of decimal digits) -The buffer must be large enough, i.e. >= max_digits10. -*/ -template -JSON_HEDLEY_NON_NULL(1) -void grisu2(char* buf, int& len, int& decimal_exponent, FloatType value) -{ - static_assert(diyfp::kPrecision >= std::numeric_limits::digits + 3, - "internal error: not enough precision"); - - JSON_ASSERT(std::isfinite(value)); - JSON_ASSERT(value > 0); - - // If the neighbors (and boundaries) of 'value' are always computed for double-precision - // numbers, all float's can be recovered using strtod (and strtof). However, the resulting - // decimal representations are not exactly "short". - // - // The documentation for 'std::to_chars' (https://en.cppreference.com/w/cpp/utility/to_chars) - // says "value is converted to a string as if by std::sprintf in the default ("C") locale" - // and since sprintf promotes float's to double's, I think this is exactly what 'std::to_chars' - // does. - // On the other hand, the documentation for 'std::to_chars' requires that "parsing the - // representation using the corresponding std::from_chars function recovers value exactly". That - // indicates that single precision floating-point numbers should be recovered using - // 'std::strtof'. - // - // NB: If the neighbors are computed for single-precision numbers, there is a single float - // (7.0385307e-26f) which can't be recovered using strtod. The resulting double precision - // value is off by 1 ulp. -#if 0 - const boundaries w = compute_boundaries(static_cast(value)); -#else - const boundaries w = compute_boundaries(value); -#endif - - grisu2(buf, len, decimal_exponent, w.minus, w.w, w.plus); -} - -/*! -@brief appends a decimal representation of e to buf -@return a pointer to the element following the exponent. -@pre -1000 < e < 1000 -*/ -JSON_HEDLEY_NON_NULL(1) -JSON_HEDLEY_RETURNS_NON_NULL -inline char* append_exponent(char* buf, int e) -{ - JSON_ASSERT(e > -1000); - JSON_ASSERT(e < 1000); - - if (e < 0) - { - e = -e; - *buf++ = '-'; - } - else - { - *buf++ = '+'; - } - - auto k = static_cast(e); - if (k < 10) - { - // Always print at least two digits in the exponent. - // This is for compatibility with printf("%g"). - *buf++ = '0'; - *buf++ = static_cast('0' + k); - } - else if (k < 100) - { - *buf++ = static_cast('0' + k / 10); - k %= 10; - *buf++ = static_cast('0' + k); - } - else - { - *buf++ = static_cast('0' + k / 100); - k %= 100; - *buf++ = static_cast('0' + k / 10); - k %= 10; - *buf++ = static_cast('0' + k); - } - - return buf; -} - -/*! -@brief prettify v = buf * 10^decimal_exponent - -If v is in the range [10^min_exp, 10^max_exp) it will be printed in fixed-point -notation. Otherwise it will be printed in exponential notation. - -@pre min_exp < 0 -@pre max_exp > 0 -*/ -JSON_HEDLEY_NON_NULL(1) -JSON_HEDLEY_RETURNS_NON_NULL -inline char* format_buffer(char* buf, int len, int decimal_exponent, - int min_exp, int max_exp) -{ - JSON_ASSERT(min_exp < 0); - JSON_ASSERT(max_exp > 0); - - const int k = len; - const int n = len + decimal_exponent; - - // v = buf * 10^(n-k) - // k is the length of the buffer (number of decimal digits) - // n is the position of the decimal point relative to the start of the buffer. - - if (k <= n && n <= max_exp) - { - // digits[000] - // len <= max_exp + 2 - - std::memset(buf + k, '0', static_cast(n) - static_cast(k)); - // Make it look like a floating-point number (#362, #378) - buf[n + 0] = '.'; - buf[n + 1] = '0'; - return buf + (static_cast(n) + 2); - } - - if (0 < n && n <= max_exp) - { - // dig.its - // len <= max_digits10 + 1 - - JSON_ASSERT(k > n); - - std::memmove(buf + (static_cast(n) + 1), buf + n, static_cast(k) - static_cast(n)); - buf[n] = '.'; - return buf + (static_cast(k) + 1U); - } - - if (min_exp < n && n <= 0) - { - // 0.[000]digits - // len <= 2 + (-min_exp - 1) + max_digits10 - - std::memmove(buf + (2 + static_cast(-n)), buf, static_cast(k)); - buf[0] = '0'; - buf[1] = '.'; - std::memset(buf + 2, '0', static_cast(-n)); - return buf + (2U + static_cast(-n) + static_cast(k)); - } - - if (k == 1) - { - // dE+123 - // len <= 1 + 5 - - buf += 1; - } - else - { - // d.igitsE+123 - // len <= max_digits10 + 1 + 5 - - std::memmove(buf + 2, buf + 1, static_cast(k) - 1); - buf[1] = '.'; - buf += 1 + static_cast(k); - } - - *buf++ = 'e'; - return append_exponent(buf, n - 1); -} - -} // namespace dtoa_impl - -/*! -@brief generates a decimal representation of the floating-point number value in [first, last). - -The format of the resulting decimal representation is similar to printf's %g -format. Returns an iterator pointing past-the-end of the decimal representation. - -@note The input number must be finite, i.e. NaN's and Inf's are not supported. -@note The buffer must be large enough. -@note The result is NOT null-terminated. -*/ -template -JSON_HEDLEY_NON_NULL(1, 2) -JSON_HEDLEY_RETURNS_NON_NULL -char* to_chars(char* first, const char* last, FloatType value) -{ - static_cast(last); // maybe unused - fix warning - JSON_ASSERT(std::isfinite(value)); - - // Use signbit(value) instead of (value < 0) since signbit works for -0. - if (std::signbit(value)) - { - value = -value; - *first++ = '-'; - } - - if (value == 0) // +-0 - { - *first++ = '0'; - // Make it look like a floating-point number (#362, #378) - *first++ = '.'; - *first++ = '0'; - return first; - } - - JSON_ASSERT(last - first >= std::numeric_limits::max_digits10); - - // Compute v = buffer * 10^decimal_exponent. - // The decimal digits are stored in the buffer, which needs to be interpreted - // as an unsigned decimal integer. - // len is the length of the buffer, i.e. the number of decimal digits. - int len = 0; - int decimal_exponent = 0; - dtoa_impl::grisu2(first, len, decimal_exponent, value); - - JSON_ASSERT(len <= std::numeric_limits::max_digits10); - - // Format the buffer like printf("%.*g", prec, value) - constexpr int kMinExp = -4; - // Use digits10 here to increase compatibility with version 2. - constexpr int kMaxExp = std::numeric_limits::digits10; - - JSON_ASSERT(last - first >= kMaxExp + 2); - JSON_ASSERT(last - first >= 2 + (-kMinExp - 1) + std::numeric_limits::max_digits10); - JSON_ASSERT(last - first >= std::numeric_limits::max_digits10 + 6); - - return dtoa_impl::format_buffer(first, len, decimal_exponent, kMinExp, kMaxExp); -} - -} // namespace detail -} // namespace nlohmann - -// #include - -// #include - -// #include - -// #include - -// #include - -// #include - - -namespace nlohmann -{ -namespace detail -{ -/////////////////// -// serialization // -/////////////////// - -/// how to treat decoding errors -enum class error_handler_t -{ - strict, ///< throw a type_error exception in case of invalid UTF-8 - replace, ///< replace invalid UTF-8 sequences with U+FFFD - ignore ///< ignore invalid UTF-8 sequences -}; - -template -class serializer -{ - using string_t = typename BasicJsonType::string_t; - using number_float_t = typename BasicJsonType::number_float_t; - using number_integer_t = typename BasicJsonType::number_integer_t; - using number_unsigned_t = typename BasicJsonType::number_unsigned_t; - using binary_char_t = typename BasicJsonType::binary_t::value_type; - static constexpr std::uint8_t UTF8_ACCEPT = 0; - static constexpr std::uint8_t UTF8_REJECT = 1; - - public: - /*! - @param[in] s output stream to serialize to - @param[in] ichar indentation character to use - @param[in] error_handler_ how to react on decoding errors - */ - serializer(output_adapter_t s, const char ichar, - error_handler_t error_handler_ = error_handler_t::strict) - : o(std::move(s)) - , loc(std::localeconv()) - , thousands_sep(loc->thousands_sep == nullptr ? '\0' : std::char_traits::to_char_type(* (loc->thousands_sep))) - , decimal_point(loc->decimal_point == nullptr ? '\0' : std::char_traits::to_char_type(* (loc->decimal_point))) - , indent_char(ichar) - , indent_string(512, indent_char) - , error_handler(error_handler_) - {} - - // delete because of pointer members - serializer(const serializer&) = delete; - serializer& operator=(const serializer&) = delete; - serializer(serializer&&) = delete; - serializer& operator=(serializer&&) = delete; - ~serializer() = default; - - /*! - @brief internal implementation of the serialization function - - This function is called by the public member function dump and organizes - the serialization internally. The indentation level is propagated as - additional parameter. In case of arrays and objects, the function is - called recursively. - - - strings and object keys are escaped using `escape_string()` - - integer numbers are converted implicitly via `operator<<` - - floating-point numbers are converted to a string using `"%g"` format - - binary values are serialized as objects containing the subtype and the - byte array - - @param[in] val value to serialize - @param[in] pretty_print whether the output shall be pretty-printed - @param[in] ensure_ascii If @a ensure_ascii is true, all non-ASCII characters - in the output are escaped with `\uXXXX` sequences, and the result consists - of ASCII characters only. - @param[in] indent_step the indent level - @param[in] current_indent the current indent level (only used internally) - */ - void dump(const BasicJsonType& val, - const bool pretty_print, - const bool ensure_ascii, - const unsigned int indent_step, - const unsigned int current_indent = 0) - { - switch (val.m_type) - { - case value_t::object: - { - if (val.m_value.object->empty()) - { - o->write_characters("{}", 2); - return; - } - - if (pretty_print) - { - o->write_characters("{\n", 2); - - // variable to hold indentation for recursive calls - const auto new_indent = current_indent + indent_step; - if (JSON_HEDLEY_UNLIKELY(indent_string.size() < new_indent)) - { - indent_string.resize(indent_string.size() * 2, ' '); - } - - // first n-1 elements - auto i = val.m_value.object->cbegin(); - for (std::size_t cnt = 0; cnt < val.m_value.object->size() - 1; ++cnt, ++i) - { - o->write_characters(indent_string.c_str(), new_indent); - o->write_character('\"'); - dump_escaped(i->first, ensure_ascii); - o->write_characters("\": ", 3); - dump(i->second, true, ensure_ascii, indent_step, new_indent); - o->write_characters(",\n", 2); - } - - // last element - JSON_ASSERT(i != val.m_value.object->cend()); - JSON_ASSERT(std::next(i) == val.m_value.object->cend()); - o->write_characters(indent_string.c_str(), new_indent); - o->write_character('\"'); - dump_escaped(i->first, ensure_ascii); - o->write_characters("\": ", 3); - dump(i->second, true, ensure_ascii, indent_step, new_indent); - - o->write_character('\n'); - o->write_characters(indent_string.c_str(), current_indent); - o->write_character('}'); - } - else - { - o->write_character('{'); - - // first n-1 elements - auto i = val.m_value.object->cbegin(); - for (std::size_t cnt = 0; cnt < val.m_value.object->size() - 1; ++cnt, ++i) - { - o->write_character('\"'); - dump_escaped(i->first, ensure_ascii); - o->write_characters("\":", 2); - dump(i->second, false, ensure_ascii, indent_step, current_indent); - o->write_character(','); - } - - // last element - JSON_ASSERT(i != val.m_value.object->cend()); - JSON_ASSERT(std::next(i) == val.m_value.object->cend()); - o->write_character('\"'); - dump_escaped(i->first, ensure_ascii); - o->write_characters("\":", 2); - dump(i->second, false, ensure_ascii, indent_step, current_indent); - - o->write_character('}'); - } - - return; - } - - case value_t::array: - { - if (val.m_value.array->empty()) - { - o->write_characters("[]", 2); - return; - } - - if (pretty_print) - { - o->write_characters("[\n", 2); - - // variable to hold indentation for recursive calls - const auto new_indent = current_indent + indent_step; - if (JSON_HEDLEY_UNLIKELY(indent_string.size() < new_indent)) - { - indent_string.resize(indent_string.size() * 2, ' '); - } - - // first n-1 elements - for (auto i = val.m_value.array->cbegin(); - i != val.m_value.array->cend() - 1; ++i) - { - o->write_characters(indent_string.c_str(), new_indent); - dump(*i, true, ensure_ascii, indent_step, new_indent); - o->write_characters(",\n", 2); - } - - // last element - JSON_ASSERT(!val.m_value.array->empty()); - o->write_characters(indent_string.c_str(), new_indent); - dump(val.m_value.array->back(), true, ensure_ascii, indent_step, new_indent); - - o->write_character('\n'); - o->write_characters(indent_string.c_str(), current_indent); - o->write_character(']'); - } - else - { - o->write_character('['); - - // first n-1 elements - for (auto i = val.m_value.array->cbegin(); - i != val.m_value.array->cend() - 1; ++i) - { - dump(*i, false, ensure_ascii, indent_step, current_indent); - o->write_character(','); - } - - // last element - JSON_ASSERT(!val.m_value.array->empty()); - dump(val.m_value.array->back(), false, ensure_ascii, indent_step, current_indent); - - o->write_character(']'); - } - - return; - } - - case value_t::string: - { - o->write_character('\"'); - dump_escaped(*val.m_value.string, ensure_ascii); - o->write_character('\"'); - return; - } - - case value_t::binary: - { - if (pretty_print) - { - o->write_characters("{\n", 2); - - // variable to hold indentation for recursive calls - const auto new_indent = current_indent + indent_step; - if (JSON_HEDLEY_UNLIKELY(indent_string.size() < new_indent)) - { - indent_string.resize(indent_string.size() * 2, ' '); - } - - o->write_characters(indent_string.c_str(), new_indent); - - o->write_characters("\"bytes\": [", 10); - - if (!val.m_value.binary->empty()) - { - for (auto i = val.m_value.binary->cbegin(); - i != val.m_value.binary->cend() - 1; ++i) - { - dump_integer(*i); - o->write_characters(", ", 2); - } - dump_integer(val.m_value.binary->back()); - } - - o->write_characters("],\n", 3); - o->write_characters(indent_string.c_str(), new_indent); - - o->write_characters("\"subtype\": ", 11); - if (val.m_value.binary->has_subtype()) - { - dump_integer(val.m_value.binary->subtype()); - } - else - { - o->write_characters("null", 4); - } - o->write_character('\n'); - o->write_characters(indent_string.c_str(), current_indent); - o->write_character('}'); - } - else - { - o->write_characters("{\"bytes\":[", 10); - - if (!val.m_value.binary->empty()) - { - for (auto i = val.m_value.binary->cbegin(); - i != val.m_value.binary->cend() - 1; ++i) - { - dump_integer(*i); - o->write_character(','); - } - dump_integer(val.m_value.binary->back()); - } - - o->write_characters("],\"subtype\":", 12); - if (val.m_value.binary->has_subtype()) - { - dump_integer(val.m_value.binary->subtype()); - o->write_character('}'); - } - else - { - o->write_characters("null}", 5); - } - } - return; - } - - case value_t::boolean: - { - if (val.m_value.boolean) - { - o->write_characters("true", 4); - } - else - { - o->write_characters("false", 5); - } - return; - } - - case value_t::number_integer: - { - dump_integer(val.m_value.number_integer); - return; - } - - case value_t::number_unsigned: - { - dump_integer(val.m_value.number_unsigned); - return; - } - - case value_t::number_float: - { - dump_float(val.m_value.number_float); - return; - } - - case value_t::discarded: - { - o->write_characters("", 11); - return; - } - - case value_t::null: - { - o->write_characters("null", 4); - return; - } - - default: // LCOV_EXCL_LINE - JSON_ASSERT(false); // LCOV_EXCL_LINE - } - } - - private: - /*! - @brief dump escaped string - - Escape a string by replacing certain special characters by a sequence of an - escape character (backslash) and another character and other control - characters by a sequence of "\u" followed by a four-digit hex - representation. The escaped string is written to output stream @a o. - - @param[in] s the string to escape - @param[in] ensure_ascii whether to escape non-ASCII characters with - \uXXXX sequences - - @complexity Linear in the length of string @a s. - */ - void dump_escaped(const string_t& s, const bool ensure_ascii) - { - std::uint32_t codepoint; - std::uint8_t state = UTF8_ACCEPT; - std::size_t bytes = 0; // number of bytes written to string_buffer - - // number of bytes written at the point of the last valid byte - std::size_t bytes_after_last_accept = 0; - std::size_t undumped_chars = 0; - - for (std::size_t i = 0; i < s.size(); ++i) - { - const auto byte = static_cast(s[i]); - - switch (decode(state, codepoint, byte)) - { - case UTF8_ACCEPT: // decode found a new code point - { - switch (codepoint) - { - case 0x08: // backspace - { - string_buffer[bytes++] = '\\'; - string_buffer[bytes++] = 'b'; - break; - } - - case 0x09: // horizontal tab - { - string_buffer[bytes++] = '\\'; - string_buffer[bytes++] = 't'; - break; - } - - case 0x0A: // newline - { - string_buffer[bytes++] = '\\'; - string_buffer[bytes++] = 'n'; - break; - } - - case 0x0C: // formfeed - { - string_buffer[bytes++] = '\\'; - string_buffer[bytes++] = 'f'; - break; - } - - case 0x0D: // carriage return - { - string_buffer[bytes++] = '\\'; - string_buffer[bytes++] = 'r'; - break; - } - - case 0x22: // quotation mark - { - string_buffer[bytes++] = '\\'; - string_buffer[bytes++] = '\"'; - break; - } - - case 0x5C: // reverse solidus - { - string_buffer[bytes++] = '\\'; - string_buffer[bytes++] = '\\'; - break; - } - - default: - { - // escape control characters (0x00..0x1F) or, if - // ensure_ascii parameter is used, non-ASCII characters - if ((codepoint <= 0x1F) || (ensure_ascii && (codepoint >= 0x7F))) - { - if (codepoint <= 0xFFFF) - { - (std::snprintf)(string_buffer.data() + bytes, 7, "\\u%04x", - static_cast(codepoint)); - bytes += 6; - } - else - { - (std::snprintf)(string_buffer.data() + bytes, 13, "\\u%04x\\u%04x", - static_cast(0xD7C0u + (codepoint >> 10u)), - static_cast(0xDC00u + (codepoint & 0x3FFu))); - bytes += 12; - } - } - else - { - // copy byte to buffer (all previous bytes - // been copied have in default case above) - string_buffer[bytes++] = s[i]; - } - break; - } - } - - // write buffer and reset index; there must be 13 bytes - // left, as this is the maximal number of bytes to be - // written ("\uxxxx\uxxxx\0") for one code point - if (string_buffer.size() - bytes < 13) - { - o->write_characters(string_buffer.data(), bytes); - bytes = 0; - } - - // remember the byte position of this accept - bytes_after_last_accept = bytes; - undumped_chars = 0; - break; - } - - case UTF8_REJECT: // decode found invalid UTF-8 byte - { - switch (error_handler) - { - case error_handler_t::strict: - { - std::string sn(3, '\0'); - (std::snprintf)(&sn[0], sn.size(), "%.2X", byte); - JSON_THROW(type_error::create(316, "invalid UTF-8 byte at index " + std::to_string(i) + ": 0x" + sn)); - } - - case error_handler_t::ignore: - case error_handler_t::replace: - { - // in case we saw this character the first time, we - // would like to read it again, because the byte - // may be OK for itself, but just not OK for the - // previous sequence - if (undumped_chars > 0) - { - --i; - } - - // reset length buffer to the last accepted index; - // thus removing/ignoring the invalid characters - bytes = bytes_after_last_accept; - - if (error_handler == error_handler_t::replace) - { - // add a replacement character - if (ensure_ascii) - { - string_buffer[bytes++] = '\\'; - string_buffer[bytes++] = 'u'; - string_buffer[bytes++] = 'f'; - string_buffer[bytes++] = 'f'; - string_buffer[bytes++] = 'f'; - string_buffer[bytes++] = 'd'; - } - else - { - string_buffer[bytes++] = detail::binary_writer::to_char_type('\xEF'); - string_buffer[bytes++] = detail::binary_writer::to_char_type('\xBF'); - string_buffer[bytes++] = detail::binary_writer::to_char_type('\xBD'); - } - - // write buffer and reset index; there must be 13 bytes - // left, as this is the maximal number of bytes to be - // written ("\uxxxx\uxxxx\0") for one code point - if (string_buffer.size() - bytes < 13) - { - o->write_characters(string_buffer.data(), bytes); - bytes = 0; - } - - bytes_after_last_accept = bytes; - } - - undumped_chars = 0; - - // continue processing the string - state = UTF8_ACCEPT; - break; - } - - default: // LCOV_EXCL_LINE - JSON_ASSERT(false); // LCOV_EXCL_LINE - } - break; - } - - default: // decode found yet incomplete multi-byte code point - { - if (!ensure_ascii) - { - // code point will not be escaped - copy byte to buffer - string_buffer[bytes++] = s[i]; - } - ++undumped_chars; - break; - } - } - } - - // we finished processing the string - if (JSON_HEDLEY_LIKELY(state == UTF8_ACCEPT)) - { - // write buffer - if (bytes > 0) - { - o->write_characters(string_buffer.data(), bytes); - } - } - else - { - // we finish reading, but do not accept: string was incomplete - switch (error_handler) - { - case error_handler_t::strict: - { - std::string sn(3, '\0'); - (std::snprintf)(&sn[0], sn.size(), "%.2X", static_cast(s.back())); - JSON_THROW(type_error::create(316, "incomplete UTF-8 string; last byte: 0x" + sn)); - } - - case error_handler_t::ignore: - { - // write all accepted bytes - o->write_characters(string_buffer.data(), bytes_after_last_accept); - break; - } - - case error_handler_t::replace: - { - // write all accepted bytes - o->write_characters(string_buffer.data(), bytes_after_last_accept); - // add a replacement character - if (ensure_ascii) - { - o->write_characters("\\ufffd", 6); - } - else - { - o->write_characters("\xEF\xBF\xBD", 3); - } - break; - } - - default: // LCOV_EXCL_LINE - JSON_ASSERT(false); // LCOV_EXCL_LINE - } - } - } - - /*! - @brief count digits - - Count the number of decimal (base 10) digits for an input unsigned integer. - - @param[in] x unsigned integer number to count its digits - @return number of decimal digits - */ - inline unsigned int count_digits(number_unsigned_t x) noexcept - { - unsigned int n_digits = 1; - for (;;) - { - if (x < 10) - { - return n_digits; - } - if (x < 100) - { - return n_digits + 1; - } - if (x < 1000) - { - return n_digits + 2; - } - if (x < 10000) - { - return n_digits + 3; - } - x = x / 10000u; - n_digits += 4; - } - } - - /*! - @brief dump an integer - - Dump a given integer to output stream @a o. Works internally with - @a number_buffer. - - @param[in] x integer number (signed or unsigned) to dump - @tparam NumberType either @a number_integer_t or @a number_unsigned_t - */ - template < typename NumberType, detail::enable_if_t < - std::is_same::value || - std::is_same::value || - std::is_same::value, - int > = 0 > - void dump_integer(NumberType x) - { - static constexpr std::array, 100> digits_to_99 - { - { - {{'0', '0'}}, {{'0', '1'}}, {{'0', '2'}}, {{'0', '3'}}, {{'0', '4'}}, {{'0', '5'}}, {{'0', '6'}}, {{'0', '7'}}, {{'0', '8'}}, {{'0', '9'}}, - {{'1', '0'}}, {{'1', '1'}}, {{'1', '2'}}, {{'1', '3'}}, {{'1', '4'}}, {{'1', '5'}}, {{'1', '6'}}, {{'1', '7'}}, {{'1', '8'}}, {{'1', '9'}}, - {{'2', '0'}}, {{'2', '1'}}, {{'2', '2'}}, {{'2', '3'}}, {{'2', '4'}}, {{'2', '5'}}, {{'2', '6'}}, {{'2', '7'}}, {{'2', '8'}}, {{'2', '9'}}, - {{'3', '0'}}, {{'3', '1'}}, {{'3', '2'}}, {{'3', '3'}}, {{'3', '4'}}, {{'3', '5'}}, {{'3', '6'}}, {{'3', '7'}}, {{'3', '8'}}, {{'3', '9'}}, - {{'4', '0'}}, {{'4', '1'}}, {{'4', '2'}}, {{'4', '3'}}, {{'4', '4'}}, {{'4', '5'}}, {{'4', '6'}}, {{'4', '7'}}, {{'4', '8'}}, {{'4', '9'}}, - {{'5', '0'}}, {{'5', '1'}}, {{'5', '2'}}, {{'5', '3'}}, {{'5', '4'}}, {{'5', '5'}}, {{'5', '6'}}, {{'5', '7'}}, {{'5', '8'}}, {{'5', '9'}}, - {{'6', '0'}}, {{'6', '1'}}, {{'6', '2'}}, {{'6', '3'}}, {{'6', '4'}}, {{'6', '5'}}, {{'6', '6'}}, {{'6', '7'}}, {{'6', '8'}}, {{'6', '9'}}, - {{'7', '0'}}, {{'7', '1'}}, {{'7', '2'}}, {{'7', '3'}}, {{'7', '4'}}, {{'7', '5'}}, {{'7', '6'}}, {{'7', '7'}}, {{'7', '8'}}, {{'7', '9'}}, - {{'8', '0'}}, {{'8', '1'}}, {{'8', '2'}}, {{'8', '3'}}, {{'8', '4'}}, {{'8', '5'}}, {{'8', '6'}}, {{'8', '7'}}, {{'8', '8'}}, {{'8', '9'}}, - {{'9', '0'}}, {{'9', '1'}}, {{'9', '2'}}, {{'9', '3'}}, {{'9', '4'}}, {{'9', '5'}}, {{'9', '6'}}, {{'9', '7'}}, {{'9', '8'}}, {{'9', '9'}}, - } - }; - - // special case for "0" - if (x == 0) - { - o->write_character('0'); - return; - } - - // use a pointer to fill the buffer - auto buffer_ptr = number_buffer.begin(); - - const bool is_negative = std::is_same::value && !(x >= 0); // see issue #755 - number_unsigned_t abs_value; - - unsigned int n_chars; - - if (is_negative) - { - *buffer_ptr = '-'; - abs_value = remove_sign(static_cast(x)); - - // account one more byte for the minus sign - n_chars = 1 + count_digits(abs_value); - } - else - { - abs_value = static_cast(x); - n_chars = count_digits(abs_value); - } - - // spare 1 byte for '\0' - JSON_ASSERT(n_chars < number_buffer.size() - 1); - - // jump to the end to generate the string from backward - // so we later avoid reversing the result - buffer_ptr += n_chars; - - // Fast int2ascii implementation inspired by "Fastware" talk by Andrei Alexandrescu - // See: https://www.youtube.com/watch?v=o4-CwDo2zpg - while (abs_value >= 100) - { - const auto digits_index = static_cast((abs_value % 100)); - abs_value /= 100; - *(--buffer_ptr) = digits_to_99[digits_index][1]; - *(--buffer_ptr) = digits_to_99[digits_index][0]; - } - - if (abs_value >= 10) - { - const auto digits_index = static_cast(abs_value); - *(--buffer_ptr) = digits_to_99[digits_index][1]; - *(--buffer_ptr) = digits_to_99[digits_index][0]; - } - else - { - *(--buffer_ptr) = static_cast('0' + abs_value); - } - - o->write_characters(number_buffer.data(), n_chars); - } - - /*! - @brief dump a floating-point number - - Dump a given floating-point number to output stream @a o. Works internally - with @a number_buffer. - - @param[in] x floating-point number to dump - */ - void dump_float(number_float_t x) - { - // NaN / inf - if (!std::isfinite(x)) - { - o->write_characters("null", 4); - return; - } - - // If number_float_t is an IEEE-754 single or double precision number, - // use the Grisu2 algorithm to produce short numbers which are - // guaranteed to round-trip, using strtof and strtod, resp. - // - // NB: The test below works if == . - static constexpr bool is_ieee_single_or_double - = (std::numeric_limits::is_iec559 && std::numeric_limits::digits == 24 && std::numeric_limits::max_exponent == 128) || - (std::numeric_limits::is_iec559 && std::numeric_limits::digits == 53 && std::numeric_limits::max_exponent == 1024); - - dump_float(x, std::integral_constant()); - } - - void dump_float(number_float_t x, std::true_type /*is_ieee_single_or_double*/) - { - char* begin = number_buffer.data(); - char* end = ::nlohmann::detail::to_chars(begin, begin + number_buffer.size(), x); - - o->write_characters(begin, static_cast(end - begin)); - } - - void dump_float(number_float_t x, std::false_type /*is_ieee_single_or_double*/) - { - // get number of digits for a float -> text -> float round-trip - static constexpr auto d = std::numeric_limits::max_digits10; - - // the actual conversion - std::ptrdiff_t len = (std::snprintf)(number_buffer.data(), number_buffer.size(), "%.*g", d, x); - - // negative value indicates an error - JSON_ASSERT(len > 0); - // check if buffer was large enough - JSON_ASSERT(static_cast(len) < number_buffer.size()); - - // erase thousands separator - if (thousands_sep != '\0') - { - const auto end = std::remove(number_buffer.begin(), - number_buffer.begin() + len, thousands_sep); - std::fill(end, number_buffer.end(), '\0'); - JSON_ASSERT((end - number_buffer.begin()) <= len); - len = (end - number_buffer.begin()); - } - - // convert decimal point to '.' - if (decimal_point != '\0' && decimal_point != '.') - { - const auto dec_pos = std::find(number_buffer.begin(), number_buffer.end(), decimal_point); - if (dec_pos != number_buffer.end()) - { - *dec_pos = '.'; - } - } - - o->write_characters(number_buffer.data(), static_cast(len)); - - // determine if need to append ".0" - const bool value_is_int_like = - std::none_of(number_buffer.begin(), number_buffer.begin() + len + 1, - [](char c) - { - return c == '.' || c == 'e'; - }); - - if (value_is_int_like) - { - o->write_characters(".0", 2); - } - } - - /*! - @brief check whether a string is UTF-8 encoded - - The function checks each byte of a string whether it is UTF-8 encoded. The - result of the check is stored in the @a state parameter. The function must - be called initially with state 0 (accept). State 1 means the string must - be rejected, because the current byte is not allowed. If the string is - completely processed, but the state is non-zero, the string ended - prematurely; that is, the last byte indicated more bytes should have - followed. - - @param[in,out] state the state of the decoding - @param[in,out] codep codepoint (valid only if resulting state is UTF8_ACCEPT) - @param[in] byte next byte to decode - @return new state - - @note The function has been edited: a std::array is used. - - @copyright Copyright (c) 2008-2009 Bjoern Hoehrmann - @sa http://bjoern.hoehrmann.de/utf-8/decoder/dfa/ - */ - static std::uint8_t decode(std::uint8_t& state, std::uint32_t& codep, const std::uint8_t byte) noexcept - { - static const std::array utf8d = - { - { - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 00..1F - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 20..3F - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 40..5F - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 60..7F - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, // 80..9F - 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, // A0..BF - 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, // C0..DF - 0xA, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3, 0x4, 0x3, 0x3, // E0..EF - 0xB, 0x6, 0x6, 0x6, 0x5, 0x8, 0x8, 0x8, 0x8, 0x8, 0x8, 0x8, 0x8, 0x8, 0x8, 0x8, // F0..FF - 0x0, 0x1, 0x2, 0x3, 0x5, 0x8, 0x7, 0x1, 0x1, 0x1, 0x4, 0x6, 0x1, 0x1, 0x1, 0x1, // s0..s0 - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, // s1..s2 - 1, 2, 1, 1, 1, 1, 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, // s3..s4 - 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 3, 1, 1, 1, 1, 1, 1, // s5..s6 - 1, 3, 1, 1, 1, 1, 1, 3, 1, 3, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 // s7..s8 - } - }; - - const std::uint8_t type = utf8d[byte]; - - codep = (state != UTF8_ACCEPT) - ? (byte & 0x3fu) | (codep << 6u) - : (0xFFu >> type) & (byte); - - std::size_t index = 256u + static_cast(state) * 16u + static_cast(type); - JSON_ASSERT(index < 400); - state = utf8d[index]; - return state; - } - - /* - * Overload to make the compiler happy while it is instantiating - * dump_integer for number_unsigned_t. - * Must never be called. - */ - number_unsigned_t remove_sign(number_unsigned_t x) - { - JSON_ASSERT(false); // LCOV_EXCL_LINE - return x; // LCOV_EXCL_LINE - } - - /* - * Helper function for dump_integer - * - * This function takes a negative signed integer and returns its absolute - * value as unsigned integer. The plus/minus shuffling is necessary as we can - * not directly remove the sign of an arbitrary signed integer as the - * absolute values of INT_MIN and INT_MAX are usually not the same. See - * #1708 for details. - */ - inline number_unsigned_t remove_sign(number_integer_t x) noexcept - { - JSON_ASSERT(x < 0 && x < (std::numeric_limits::max)()); - return static_cast(-(x + 1)) + 1; - } - - private: - /// the output of the serializer - output_adapter_t o = nullptr; - - /// a (hopefully) large enough character buffer - std::array number_buffer{{}}; - - /// the locale - const std::lconv* loc = nullptr; - /// the locale's thousand separator character - const char thousands_sep = '\0'; - /// the locale's decimal point character - const char decimal_point = '\0'; - - /// string buffer - std::array string_buffer{{}}; - - /// the indentation character - const char indent_char; - /// the indentation string - string_t indent_string; - - /// error_handler how to react on decoding errors - const error_handler_t error_handler; -}; -} // namespace detail -} // namespace nlohmann - -// #include - -// #include - -// #include - - -#include // less -#include // allocator -#include // pair -#include // vector - -namespace nlohmann -{ - -/// ordered_map: a minimal map-like container that preserves insertion order -/// for use within nlohmann::basic_json -template , - class Allocator = std::allocator>> - struct ordered_map : std::vector, Allocator> -{ - using key_type = Key; - using mapped_type = T; - using Container = std::vector, Allocator>; - using typename Container::iterator; - using typename Container::const_iterator; - using typename Container::size_type; - using typename Container::value_type; - - // Explicit constructors instead of `using Container::Container` - // otherwise older compilers choke on it (GCC <= 5.5, xcode <= 9.4) - ordered_map(const Allocator& alloc = Allocator()) : Container{alloc} {} - template - ordered_map(It first, It last, const Allocator& alloc = Allocator()) - : Container{first, last, alloc} {} - ordered_map(std::initializer_list init, const Allocator& alloc = Allocator() ) - : Container{init, alloc} {} - - std::pair emplace(const key_type& key, T&& t) - { - for (auto it = this->begin(); it != this->end(); ++it) - { - if (it->first == key) - { - return {it, false}; - } - } - Container::emplace_back(key, t); - return {--this->end(), true}; - } - - T& operator[](const Key& key) - { - return emplace(key, T{}).first->second; - } - - const T& operator[](const Key& key) const - { - return at(key); - } - - T& at(const Key& key) - { - for (auto it = this->begin(); it != this->end(); ++it) - { - if (it->first == key) - { - return it->second; - } - } - - throw std::out_of_range("key not found"); - } - - const T& at(const Key& key) const - { - for (auto it = this->begin(); it != this->end(); ++it) - { - if (it->first == key) - { - return it->second; - } - } - - throw std::out_of_range("key not found"); - } - - size_type erase(const Key& key) - { - for (auto it = this->begin(); it != this->end(); ++it) - { - if (it->first == key) - { - // Since we cannot move const Keys, re-construct them in place - for (auto next = it; ++next != this->end(); ++it) - { - it->~value_type(); // Destroy but keep allocation - new (&*it) value_type{std::move(*next)}; - } - Container::pop_back(); - return 1; - } - } - return 0; - } - - iterator erase(iterator pos) - { - auto it = pos; - - // Since we cannot move const Keys, re-construct them in place - for (auto next = it; ++next != this->end(); ++it) - { - it->~value_type(); // Destroy but keep allocation - new (&*it) value_type{std::move(*next)}; - } - Container::pop_back(); - return pos; - } - - size_type count(const Key& key) const - { - for (auto it = this->begin(); it != this->end(); ++it) - { - if (it->first == key) - { - return 1; - } - } - return 0; - } - - iterator find(const Key& key) - { - for (auto it = this->begin(); it != this->end(); ++it) - { - if (it->first == key) - { - return it; - } - } - return Container::end(); - } - - const_iterator find(const Key& key) const - { - for (auto it = this->begin(); it != this->end(); ++it) - { - if (it->first == key) - { - return it; - } - } - return Container::end(); - } - - std::pair insert( value_type&& value ) - { - return emplace(value.first, std::move(value.second)); - } - - std::pair insert( const value_type& value ) - { - for (auto it = this->begin(); it != this->end(); ++it) - { - if (it->first == value.first) - { - return {it, false}; - } - } - Container::push_back(value); - return {--this->end(), true}; - } -}; - -} // namespace nlohmann - - -/*! -@brief namespace for Niels Lohmann -@see https://github.com/nlohmann -@since version 1.0.0 -*/ -namespace nlohmann -{ - -/*! -@brief a class to store JSON values - -@tparam ObjectType type for JSON objects (`std::map` by default; will be used -in @ref object_t) -@tparam ArrayType type for JSON arrays (`std::vector` by default; will be used -in @ref array_t) -@tparam StringType type for JSON strings and object keys (`std::string` by -default; will be used in @ref string_t) -@tparam BooleanType type for JSON booleans (`bool` by default; will be used -in @ref boolean_t) -@tparam NumberIntegerType type for JSON integer numbers (`int64_t` by -default; will be used in @ref number_integer_t) -@tparam NumberUnsignedType type for JSON unsigned integer numbers (@c -`uint64_t` by default; will be used in @ref number_unsigned_t) -@tparam NumberFloatType type for JSON floating-point numbers (`double` by -default; will be used in @ref number_float_t) -@tparam BinaryType type for packed binary data for compatibility with binary -serialization formats (`std::vector` by default; will be used in -@ref binary_t) -@tparam AllocatorType type of the allocator to use (`std::allocator` by -default) -@tparam JSONSerializer the serializer to resolve internal calls to `to_json()` -and `from_json()` (@ref adl_serializer by default) - -@requirement The class satisfies the following concept requirements: -- Basic - - [DefaultConstructible](https://en.cppreference.com/w/cpp/named_req/DefaultConstructible): - JSON values can be default constructed. The result will be a JSON null - value. - - [MoveConstructible](https://en.cppreference.com/w/cpp/named_req/MoveConstructible): - A JSON value can be constructed from an rvalue argument. - - [CopyConstructible](https://en.cppreference.com/w/cpp/named_req/CopyConstructible): - A JSON value can be copy-constructed from an lvalue expression. - - [MoveAssignable](https://en.cppreference.com/w/cpp/named_req/MoveAssignable): - A JSON value van be assigned from an rvalue argument. - - [CopyAssignable](https://en.cppreference.com/w/cpp/named_req/CopyAssignable): - A JSON value can be copy-assigned from an lvalue expression. - - [Destructible](https://en.cppreference.com/w/cpp/named_req/Destructible): - JSON values can be destructed. -- Layout - - [StandardLayoutType](https://en.cppreference.com/w/cpp/named_req/StandardLayoutType): - JSON values have - [standard layout](https://en.cppreference.com/w/cpp/language/data_members#Standard_layout): - All non-static data members are private and standard layout types, the - class has no virtual functions or (virtual) base classes. -- Library-wide - - [EqualityComparable](https://en.cppreference.com/w/cpp/named_req/EqualityComparable): - JSON values can be compared with `==`, see @ref - operator==(const_reference,const_reference). - - [LessThanComparable](https://en.cppreference.com/w/cpp/named_req/LessThanComparable): - JSON values can be compared with `<`, see @ref - operator<(const_reference,const_reference). - - [Swappable](https://en.cppreference.com/w/cpp/named_req/Swappable): - Any JSON lvalue or rvalue of can be swapped with any lvalue or rvalue of - other compatible types, using unqualified function call @ref swap(). - - [NullablePointer](https://en.cppreference.com/w/cpp/named_req/NullablePointer): - JSON values can be compared against `std::nullptr_t` objects which are used - to model the `null` value. -- Container - - [Container](https://en.cppreference.com/w/cpp/named_req/Container): - JSON values can be used like STL containers and provide iterator access. - - [ReversibleContainer](https://en.cppreference.com/w/cpp/named_req/ReversibleContainer); - JSON values can be used like STL containers and provide reverse iterator - access. - -@invariant The member variables @a m_value and @a m_type have the following -relationship: -- If `m_type == value_t::object`, then `m_value.object != nullptr`. -- If `m_type == value_t::array`, then `m_value.array != nullptr`. -- If `m_type == value_t::string`, then `m_value.string != nullptr`. -The invariants are checked by member function assert_invariant(). - -@internal -@note ObjectType trick from https://stackoverflow.com/a/9860911 -@endinternal - -@see [RFC 7159: The JavaScript Object Notation (JSON) Data Interchange -Format](http://rfc7159.net/rfc7159) - -@since version 1.0.0 - -@nosubgrouping -*/ -NLOHMANN_BASIC_JSON_TPL_DECLARATION -class basic_json -{ - private: - template friend struct detail::external_constructor; - friend ::nlohmann::json_pointer; - - template - friend class ::nlohmann::detail::parser; - friend ::nlohmann::detail::serializer; - template - friend class ::nlohmann::detail::iter_impl; - template - friend class ::nlohmann::detail::binary_writer; - template - friend class ::nlohmann::detail::binary_reader; - template - friend class ::nlohmann::detail::json_sax_dom_parser; - template - friend class ::nlohmann::detail::json_sax_dom_callback_parser; - - /// workaround type for MSVC - using basic_json_t = NLOHMANN_BASIC_JSON_TPL; - - // convenience aliases for types residing in namespace detail; - using lexer = ::nlohmann::detail::lexer_base; - - template - static ::nlohmann::detail::parser parser( - InputAdapterType adapter, - detail::parser_callback_tcb = nullptr, - const bool allow_exceptions = true, - const bool ignore_comments = false - ) - { - return ::nlohmann::detail::parser(std::move(adapter), - std::move(cb), allow_exceptions, ignore_comments); - } - - using primitive_iterator_t = ::nlohmann::detail::primitive_iterator_t; - template - using internal_iterator = ::nlohmann::detail::internal_iterator; - template - using iter_impl = ::nlohmann::detail::iter_impl; - template - using iteration_proxy = ::nlohmann::detail::iteration_proxy; - template using json_reverse_iterator = ::nlohmann::detail::json_reverse_iterator; - - template - using output_adapter_t = ::nlohmann::detail::output_adapter_t; - - template - using binary_reader = ::nlohmann::detail::binary_reader; - template using binary_writer = ::nlohmann::detail::binary_writer; - - using serializer = ::nlohmann::detail::serializer; - - public: - using value_t = detail::value_t; - /// JSON Pointer, see @ref nlohmann::json_pointer - using json_pointer = ::nlohmann::json_pointer; - template - using json_serializer = JSONSerializer; - /// how to treat decoding errors - using error_handler_t = detail::error_handler_t; - /// how to treat CBOR tags - using cbor_tag_handler_t = detail::cbor_tag_handler_t; - /// helper type for initializer lists of basic_json values - using initializer_list_t = std::initializer_list>; - - using input_format_t = detail::input_format_t; - /// SAX interface type, see @ref nlohmann::json_sax - using json_sax_t = json_sax; - - //////////////// - // exceptions // - //////////////// - - /// @name exceptions - /// Classes to implement user-defined exceptions. - /// @{ - - /// @copydoc detail::exception - using exception = detail::exception; - /// @copydoc detail::parse_error - using parse_error = detail::parse_error; - /// @copydoc detail::invalid_iterator - using invalid_iterator = detail::invalid_iterator; - /// @copydoc detail::type_error - using type_error = detail::type_error; - /// @copydoc detail::out_of_range - using out_of_range = detail::out_of_range; - /// @copydoc detail::other_error - using other_error = detail::other_error; - - /// @} - - - ///////////////////// - // container types // - ///////////////////// - - /// @name container types - /// The canonic container types to use @ref basic_json like any other STL - /// container. - /// @{ - - /// the type of elements in a basic_json container - using value_type = basic_json; - - /// the type of an element reference - using reference = value_type&; - /// the type of an element const reference - using const_reference = const value_type&; - - /// a type to represent differences between iterators - using difference_type = std::ptrdiff_t; - /// a type to represent container sizes - using size_type = std::size_t; - - /// the allocator type - using allocator_type = AllocatorType; - - /// the type of an element pointer - using pointer = typename std::allocator_traits::pointer; - /// the type of an element const pointer - using const_pointer = typename std::allocator_traits::const_pointer; - - /// an iterator for a basic_json container - using iterator = iter_impl; - /// a const iterator for a basic_json container - using const_iterator = iter_impl; - /// a reverse iterator for a basic_json container - using reverse_iterator = json_reverse_iterator; - /// a const reverse iterator for a basic_json container - using const_reverse_iterator = json_reverse_iterator; - - /// @} - - - /*! - @brief returns the allocator associated with the container - */ - static allocator_type get_allocator() - { - return allocator_type(); - } - - /*! - @brief returns version information on the library - - This function returns a JSON object with information about the library, - including the version number and information on the platform and compiler. - - @return JSON object holding version information - key | description - ----------- | --------------- - `compiler` | Information on the used compiler. It is an object with the following keys: `c++` (the used C++ standard), `family` (the compiler family; possible values are `clang`, `icc`, `gcc`, `ilecpp`, `msvc`, `pgcpp`, `sunpro`, and `unknown`), and `version` (the compiler version). - `copyright` | The copyright line for the library as string. - `name` | The name of the library as string. - `platform` | The used platform as string. Possible values are `win32`, `linux`, `apple`, `unix`, and `unknown`. - `url` | The URL of the project as string. - `version` | The version of the library. It is an object with the following keys: `major`, `minor`, and `patch` as defined by [Semantic Versioning](http://semver.org), and `string` (the version string). - - @liveexample{The following code shows an example output of the `meta()` - function.,meta} - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes to any JSON value. - - @complexity Constant. - - @since 2.1.0 - */ - JSON_HEDLEY_WARN_UNUSED_RESULT - static basic_json meta() - { - basic_json result; - - result["copyright"] = "(C) 2013-2020 Niels Lohmann"; - result["name"] = "JSON for Modern C++"; - result["url"] = "https://github.com/nlohmann/json"; - result["version"]["string"] = - std::to_string(NLOHMANN_JSON_VERSION_MAJOR) + "." + - std::to_string(NLOHMANN_JSON_VERSION_MINOR) + "." + - std::to_string(NLOHMANN_JSON_VERSION_PATCH); - result["version"]["major"] = NLOHMANN_JSON_VERSION_MAJOR; - result["version"]["minor"] = NLOHMANN_JSON_VERSION_MINOR; - result["version"]["patch"] = NLOHMANN_JSON_VERSION_PATCH; - -#ifdef _WIN32 - result["platform"] = "win32"; -#elif defined __linux__ - result["platform"] = "linux"; -#elif defined __APPLE__ - result["platform"] = "apple"; -#elif defined __unix__ - result["platform"] = "unix"; -#else - result["platform"] = "unknown"; -#endif - -#if defined(__ICC) || defined(__INTEL_COMPILER) - result["compiler"] = {{"family", "icc"}, {"version", __INTEL_COMPILER}}; -#elif defined(__clang__) - result["compiler"] = {{"family", "clang"}, {"version", __clang_version__}}; -#elif defined(__GNUC__) || defined(__GNUG__) - result["compiler"] = {{"family", "gcc"}, {"version", std::to_string(__GNUC__) + "." + std::to_string(__GNUC_MINOR__) + "." + std::to_string(__GNUC_PATCHLEVEL__)}}; -#elif defined(__HP_cc) || defined(__HP_aCC) - result["compiler"] = "hp" -#elif defined(__IBMCPP__) - result["compiler"] = {{"family", "ilecpp"}, {"version", __IBMCPP__}}; -#elif defined(_MSC_VER) - result["compiler"] = {{"family", "msvc"}, {"version", _MSC_VER}}; -#elif defined(__PGI) - result["compiler"] = {{"family", "pgcpp"}, {"version", __PGI}}; -#elif defined(__SUNPRO_CC) - result["compiler"] = {{"family", "sunpro"}, {"version", __SUNPRO_CC}}; -#else - result["compiler"] = {{"family", "unknown"}, {"version", "unknown"}}; -#endif - -#ifdef __cplusplus - result["compiler"]["c++"] = std::to_string(__cplusplus); -#else - result["compiler"]["c++"] = "unknown"; -#endif - return result; - } - - - /////////////////////////// - // JSON value data types // - /////////////////////////// - - /// @name JSON value data types - /// The data types to store a JSON value. These types are derived from - /// the template arguments passed to class @ref basic_json. - /// @{ - -#if defined(JSON_HAS_CPP_14) - // Use transparent comparator if possible, combined with perfect forwarding - // on find() and count() calls prevents unnecessary string construction. - using object_comparator_t = std::less<>; -#else - using object_comparator_t = std::less; -#endif - - /*! - @brief a type for an object - - [RFC 7159](http://rfc7159.net/rfc7159) describes JSON objects as follows: - > An object is an unordered collection of zero or more name/value pairs, - > where a name is a string and a value is a string, number, boolean, null, - > object, or array. - - To store objects in C++, a type is defined by the template parameters - described below. - - @tparam ObjectType the container to store objects (e.g., `std::map` or - `std::unordered_map`) - @tparam StringType the type of the keys or names (e.g., `std::string`). - The comparison function `std::less` is used to order elements - inside the container. - @tparam AllocatorType the allocator to use for objects (e.g., - `std::allocator`) - - #### Default type - - With the default values for @a ObjectType (`std::map`), @a StringType - (`std::string`), and @a AllocatorType (`std::allocator`), the default - value for @a object_t is: - - @code {.cpp} - std::map< - std::string, // key_type - basic_json, // value_type - std::less, // key_compare - std::allocator> // allocator_type - > - @endcode - - #### Behavior - - The choice of @a object_t influences the behavior of the JSON class. With - the default type, objects have the following behavior: - - - When all names are unique, objects will be interoperable in the sense - that all software implementations receiving that object will agree on - the name-value mappings. - - When the names within an object are not unique, it is unspecified which - one of the values for a given key will be chosen. For instance, - `{"key": 2, "key": 1}` could be equal to either `{"key": 1}` or - `{"key": 2}`. - - Internally, name/value pairs are stored in lexicographical order of the - names. Objects will also be serialized (see @ref dump) in this order. - For instance, `{"b": 1, "a": 2}` and `{"a": 2, "b": 1}` will be stored - and serialized as `{"a": 2, "b": 1}`. - - When comparing objects, the order of the name/value pairs is irrelevant. - This makes objects interoperable in the sense that they will not be - affected by these differences. For instance, `{"b": 1, "a": 2}` and - `{"a": 2, "b": 1}` will be treated as equal. - - #### Limits - - [RFC 7159](http://rfc7159.net/rfc7159) specifies: - > An implementation may set limits on the maximum depth of nesting. - - In this class, the object's limit of nesting is not explicitly constrained. - However, a maximum depth of nesting may be introduced by the compiler or - runtime environment. A theoretical limit can be queried by calling the - @ref max_size function of a JSON object. - - #### Storage - - Objects are stored as pointers in a @ref basic_json type. That is, for any - access to object values, a pointer of type `object_t*` must be - dereferenced. - - @sa @ref array_t -- type for an array value - - @since version 1.0.0 - - @note The order name/value pairs are added to the object is *not* - preserved by the library. Therefore, iterating an object may return - name/value pairs in a different order than they were originally stored. In - fact, keys will be traversed in alphabetical order as `std::map` with - `std::less` is used by default. Please note this behavior conforms to [RFC - 7159](http://rfc7159.net/rfc7159), because any order implements the - specified "unordered" nature of JSON objects. - */ - using object_t = ObjectType>>; - - /*! - @brief a type for an array - - [RFC 7159](http://rfc7159.net/rfc7159) describes JSON arrays as follows: - > An array is an ordered sequence of zero or more values. - - To store objects in C++, a type is defined by the template parameters - explained below. - - @tparam ArrayType container type to store arrays (e.g., `std::vector` or - `std::list`) - @tparam AllocatorType allocator to use for arrays (e.g., `std::allocator`) - - #### Default type - - With the default values for @a ArrayType (`std::vector`) and @a - AllocatorType (`std::allocator`), the default value for @a array_t is: - - @code {.cpp} - std::vector< - basic_json, // value_type - std::allocator // allocator_type - > - @endcode - - #### Limits - - [RFC 7159](http://rfc7159.net/rfc7159) specifies: - > An implementation may set limits on the maximum depth of nesting. - - In this class, the array's limit of nesting is not explicitly constrained. - However, a maximum depth of nesting may be introduced by the compiler or - runtime environment. A theoretical limit can be queried by calling the - @ref max_size function of a JSON array. - - #### Storage - - Arrays are stored as pointers in a @ref basic_json type. That is, for any - access to array values, a pointer of type `array_t*` must be dereferenced. - - @sa @ref object_t -- type for an object value - - @since version 1.0.0 - */ - using array_t = ArrayType>; - - /*! - @brief a type for a string - - [RFC 7159](http://rfc7159.net/rfc7159) describes JSON strings as follows: - > A string is a sequence of zero or more Unicode characters. - - To store objects in C++, a type is defined by the template parameter - described below. Unicode values are split by the JSON class into - byte-sized characters during deserialization. - - @tparam StringType the container to store strings (e.g., `std::string`). - Note this container is used for keys/names in objects, see @ref object_t. - - #### Default type - - With the default values for @a StringType (`std::string`), the default - value for @a string_t is: - - @code {.cpp} - std::string - @endcode - - #### Encoding - - Strings are stored in UTF-8 encoding. Therefore, functions like - `std::string::size()` or `std::string::length()` return the number of - bytes in the string rather than the number of characters or glyphs. - - #### String comparison - - [RFC 7159](http://rfc7159.net/rfc7159) states: - > Software implementations are typically required to test names of object - > members for equality. Implementations that transform the textual - > representation into sequences of Unicode code units and then perform the - > comparison numerically, code unit by code unit, are interoperable in the - > sense that implementations will agree in all cases on equality or - > inequality of two strings. For example, implementations that compare - > strings with escaped characters unconverted may incorrectly find that - > `"a\\b"` and `"a\u005Cb"` are not equal. - - This implementation is interoperable as it does compare strings code unit - by code unit. - - #### Storage - - String values are stored as pointers in a @ref basic_json type. That is, - for any access to string values, a pointer of type `string_t*` must be - dereferenced. - - @since version 1.0.0 - */ - using string_t = StringType; - - /*! - @brief a type for a boolean - - [RFC 7159](http://rfc7159.net/rfc7159) implicitly describes a boolean as a - type which differentiates the two literals `true` and `false`. - - To store objects in C++, a type is defined by the template parameter @a - BooleanType which chooses the type to use. - - #### Default type - - With the default values for @a BooleanType (`bool`), the default value for - @a boolean_t is: - - @code {.cpp} - bool - @endcode - - #### Storage - - Boolean values are stored directly inside a @ref basic_json type. - - @since version 1.0.0 - */ - using boolean_t = BooleanType; - - /*! - @brief a type for a number (integer) - - [RFC 7159](http://rfc7159.net/rfc7159) describes numbers as follows: - > The representation of numbers is similar to that used in most - > programming languages. A number is represented in base 10 using decimal - > digits. It contains an integer component that may be prefixed with an - > optional minus sign, which may be followed by a fraction part and/or an - > exponent part. Leading zeros are not allowed. (...) Numeric values that - > cannot be represented in the grammar below (such as Infinity and NaN) - > are not permitted. - - This description includes both integer and floating-point numbers. - However, C++ allows more precise storage if it is known whether the number - is a signed integer, an unsigned integer or a floating-point number. - Therefore, three different types, @ref number_integer_t, @ref - number_unsigned_t and @ref number_float_t are used. - - To store integer numbers in C++, a type is defined by the template - parameter @a NumberIntegerType which chooses the type to use. - - #### Default type - - With the default values for @a NumberIntegerType (`int64_t`), the default - value for @a number_integer_t is: - - @code {.cpp} - int64_t - @endcode - - #### Default behavior - - - The restrictions about leading zeros is not enforced in C++. Instead, - leading zeros in integer literals lead to an interpretation as octal - number. Internally, the value will be stored as decimal number. For - instance, the C++ integer literal `010` will be serialized to `8`. - During deserialization, leading zeros yield an error. - - Not-a-number (NaN) values will be serialized to `null`. - - #### Limits - - [RFC 7159](http://rfc7159.net/rfc7159) specifies: - > An implementation may set limits on the range and precision of numbers. - - When the default type is used, the maximal integer number that can be - stored is `9223372036854775807` (INT64_MAX) and the minimal integer number - that can be stored is `-9223372036854775808` (INT64_MIN). Integer numbers - that are out of range will yield over/underflow when used in a - constructor. During deserialization, too large or small integer numbers - will be automatically be stored as @ref number_unsigned_t or @ref - number_float_t. - - [RFC 7159](http://rfc7159.net/rfc7159) further states: - > Note that when such software is used, numbers that are integers and are - > in the range \f$[-2^{53}+1, 2^{53}-1]\f$ are interoperable in the sense - > that implementations will agree exactly on their numeric values. - - As this range is a subrange of the exactly supported range [INT64_MIN, - INT64_MAX], this class's integer type is interoperable. - - #### Storage - - Integer number values are stored directly inside a @ref basic_json type. - - @sa @ref number_float_t -- type for number values (floating-point) - - @sa @ref number_unsigned_t -- type for number values (unsigned integer) - - @since version 1.0.0 - */ - using number_integer_t = NumberIntegerType; - - /*! - @brief a type for a number (unsigned) - - [RFC 7159](http://rfc7159.net/rfc7159) describes numbers as follows: - > The representation of numbers is similar to that used in most - > programming languages. A number is represented in base 10 using decimal - > digits. It contains an integer component that may be prefixed with an - > optional minus sign, which may be followed by a fraction part and/or an - > exponent part. Leading zeros are not allowed. (...) Numeric values that - > cannot be represented in the grammar below (such as Infinity and NaN) - > are not permitted. - - This description includes both integer and floating-point numbers. - However, C++ allows more precise storage if it is known whether the number - is a signed integer, an unsigned integer or a floating-point number. - Therefore, three different types, @ref number_integer_t, @ref - number_unsigned_t and @ref number_float_t are used. - - To store unsigned integer numbers in C++, a type is defined by the - template parameter @a NumberUnsignedType which chooses the type to use. - - #### Default type - - With the default values for @a NumberUnsignedType (`uint64_t`), the - default value for @a number_unsigned_t is: - - @code {.cpp} - uint64_t - @endcode - - #### Default behavior - - - The restrictions about leading zeros is not enforced in C++. Instead, - leading zeros in integer literals lead to an interpretation as octal - number. Internally, the value will be stored as decimal number. For - instance, the C++ integer literal `010` will be serialized to `8`. - During deserialization, leading zeros yield an error. - - Not-a-number (NaN) values will be serialized to `null`. - - #### Limits - - [RFC 7159](http://rfc7159.net/rfc7159) specifies: - > An implementation may set limits on the range and precision of numbers. - - When the default type is used, the maximal integer number that can be - stored is `18446744073709551615` (UINT64_MAX) and the minimal integer - number that can be stored is `0`. Integer numbers that are out of range - will yield over/underflow when used in a constructor. During - deserialization, too large or small integer numbers will be automatically - be stored as @ref number_integer_t or @ref number_float_t. - - [RFC 7159](http://rfc7159.net/rfc7159) further states: - > Note that when such software is used, numbers that are integers and are - > in the range \f$[-2^{53}+1, 2^{53}-1]\f$ are interoperable in the sense - > that implementations will agree exactly on their numeric values. - - As this range is a subrange (when considered in conjunction with the - number_integer_t type) of the exactly supported range [0, UINT64_MAX], - this class's integer type is interoperable. - - #### Storage - - Integer number values are stored directly inside a @ref basic_json type. - - @sa @ref number_float_t -- type for number values (floating-point) - @sa @ref number_integer_t -- type for number values (integer) - - @since version 2.0.0 - */ - using number_unsigned_t = NumberUnsignedType; - - /*! - @brief a type for a number (floating-point) - - [RFC 7159](http://rfc7159.net/rfc7159) describes numbers as follows: - > The representation of numbers is similar to that used in most - > programming languages. A number is represented in base 10 using decimal - > digits. It contains an integer component that may be prefixed with an - > optional minus sign, which may be followed by a fraction part and/or an - > exponent part. Leading zeros are not allowed. (...) Numeric values that - > cannot be represented in the grammar below (such as Infinity and NaN) - > are not permitted. - - This description includes both integer and floating-point numbers. - However, C++ allows more precise storage if it is known whether the number - is a signed integer, an unsigned integer or a floating-point number. - Therefore, three different types, @ref number_integer_t, @ref - number_unsigned_t and @ref number_float_t are used. - - To store floating-point numbers in C++, a type is defined by the template - parameter @a NumberFloatType which chooses the type to use. - - #### Default type - - With the default values for @a NumberFloatType (`double`), the default - value for @a number_float_t is: - - @code {.cpp} - double - @endcode - - #### Default behavior - - - The restrictions about leading zeros is not enforced in C++. Instead, - leading zeros in floating-point literals will be ignored. Internally, - the value will be stored as decimal number. For instance, the C++ - floating-point literal `01.2` will be serialized to `1.2`. During - deserialization, leading zeros yield an error. - - Not-a-number (NaN) values will be serialized to `null`. - - #### Limits - - [RFC 7159](http://rfc7159.net/rfc7159) states: - > This specification allows implementations to set limits on the range and - > precision of numbers accepted. Since software that implements IEEE - > 754-2008 binary64 (double precision) numbers is generally available and - > widely used, good interoperability can be achieved by implementations - > that expect no more precision or range than these provide, in the sense - > that implementations will approximate JSON numbers within the expected - > precision. - - This implementation does exactly follow this approach, as it uses double - precision floating-point numbers. Note values smaller than - `-1.79769313486232e+308` and values greater than `1.79769313486232e+308` - will be stored as NaN internally and be serialized to `null`. - - #### Storage - - Floating-point number values are stored directly inside a @ref basic_json - type. - - @sa @ref number_integer_t -- type for number values (integer) - - @sa @ref number_unsigned_t -- type for number values (unsigned integer) - - @since version 1.0.0 - */ - using number_float_t = NumberFloatType; - - /*! - @brief a type for a packed binary type - - This type is a type designed to carry binary data that appears in various - serialized formats, such as CBOR's Major Type 2, MessagePack's bin, and - BSON's generic binary subtype. This type is NOT a part of standard JSON and - exists solely for compatibility with these binary types. As such, it is - simply defined as an ordered sequence of zero or more byte values. - - Additionally, as an implementation detail, the subtype of the binary data is - carried around as a `std::uint8_t`, which is compatible with both of the - binary data formats that use binary subtyping, (though the specific - numbering is incompatible with each other, and it is up to the user to - translate between them). - - [CBOR's RFC 7049](https://tools.ietf.org/html/rfc7049) describes this type - as: - > Major type 2: a byte string. The string's length in bytes is represented - > following the rules for positive integers (major type 0). - - [MessagePack's documentation on the bin type - family](https://github.com/msgpack/msgpack/blob/master/spec.md#bin-format-family) - describes this type as: - > Bin format family stores an byte array in 2, 3, or 5 bytes of extra bytes - > in addition to the size of the byte array. - - [BSON's specifications](http://bsonspec.org/spec.html) describe several - binary types; however, this type is intended to represent the generic binary - type which has the description: - > Generic binary subtype - This is the most commonly used binary subtype and - > should be the 'default' for drivers and tools. - - None of these impose any limitations on the internal representation other - than the basic unit of storage be some type of array whose parts are - decomposable into bytes. - - The default representation of this binary format is a - `std::vector`, which is a very common way to represent a byte - array in modern C++. - - #### Default type - - The default values for @a BinaryType is `std::vector` - - #### Storage - - Binary Arrays are stored as pointers in a @ref basic_json type. That is, - for any access to array values, a pointer of the type `binary_t*` must be - dereferenced. - - #### Notes on subtypes - - - CBOR - - Binary values are represented as byte strings. No subtypes are - supported and will be ignored when CBOR is written. - - MessagePack - - If a subtype is given and the binary array contains exactly 1, 2, 4, 8, - or 16 elements, the fixext family (fixext1, fixext2, fixext4, fixext8) - is used. For other sizes, the ext family (ext8, ext16, ext32) is used. - The subtype is then added as singed 8-bit integer. - - If no subtype is given, the bin family (bin8, bin16, bin32) is used. - - BSON - - If a subtype is given, it is used and added as unsigned 8-bit integer. - - If no subtype is given, the generic binary subtype 0x00 is used. - - @sa @ref binary -- create a binary array - - @since version 3.8.0 - */ - using binary_t = nlohmann::byte_container_with_subtype; - /// @} - - private: - - /// helper for exception-safe object creation - template - JSON_HEDLEY_RETURNS_NON_NULL - static T* create(Args&& ... args) - { - AllocatorType alloc; - using AllocatorTraits = std::allocator_traits>; - - auto deleter = [&](T * object) - { - AllocatorTraits::deallocate(alloc, object, 1); - }; - std::unique_ptr object(AllocatorTraits::allocate(alloc, 1), deleter); - AllocatorTraits::construct(alloc, object.get(), std::forward(args)...); - JSON_ASSERT(object != nullptr); - return object.release(); - } - - //////////////////////// - // JSON value storage // - //////////////////////// - - /*! - @brief a JSON value - - The actual storage for a JSON value of the @ref basic_json class. This - union combines the different storage types for the JSON value types - defined in @ref value_t. - - JSON type | value_t type | used type - --------- | --------------- | ------------------------ - object | object | pointer to @ref object_t - array | array | pointer to @ref array_t - string | string | pointer to @ref string_t - boolean | boolean | @ref boolean_t - number | number_integer | @ref number_integer_t - number | number_unsigned | @ref number_unsigned_t - number | number_float | @ref number_float_t - binary | binary | pointer to @ref binary_t - null | null | *no value is stored* - - @note Variable-length types (objects, arrays, and strings) are stored as - pointers. The size of the union should not exceed 64 bits if the default - value types are used. - - @since version 1.0.0 - */ - union json_value - { - /// object (stored with pointer to save storage) - object_t* object; - /// array (stored with pointer to save storage) - array_t* array; - /// string (stored with pointer to save storage) - string_t* string; - /// binary (stored with pointer to save storage) - binary_t* binary; - /// boolean - boolean_t boolean; - /// number (integer) - number_integer_t number_integer; - /// number (unsigned integer) - number_unsigned_t number_unsigned; - /// number (floating-point) - number_float_t number_float; - - /// default constructor (for null values) - json_value() = default; - /// constructor for booleans - json_value(boolean_t v) noexcept : boolean(v) {} - /// constructor for numbers (integer) - json_value(number_integer_t v) noexcept : number_integer(v) {} - /// constructor for numbers (unsigned) - json_value(number_unsigned_t v) noexcept : number_unsigned(v) {} - /// constructor for numbers (floating-point) - json_value(number_float_t v) noexcept : number_float(v) {} - /// constructor for empty values of a given type - json_value(value_t t) - { - switch (t) - { - case value_t::object: - { - object = create(); - break; - } - - case value_t::array: - { - array = create(); - break; - } - - case value_t::string: - { - string = create(""); - break; - } - - case value_t::binary: - { - binary = create(); - break; - } - - case value_t::boolean: - { - boolean = boolean_t(false); - break; - } - - case value_t::number_integer: - { - number_integer = number_integer_t(0); - break; - } - - case value_t::number_unsigned: - { - number_unsigned = number_unsigned_t(0); - break; - } - - case value_t::number_float: - { - number_float = number_float_t(0.0); - break; - } - - case value_t::null: - { - object = nullptr; // silence warning, see #821 - break; - } - - default: - { - object = nullptr; // silence warning, see #821 - if (JSON_HEDLEY_UNLIKELY(t == value_t::null)) - { - JSON_THROW(other_error::create(500, "961c151d2e87f2686a955a9be24d316f1362bf21 3.9.1")); // LCOV_EXCL_LINE - } - break; - } - } - } - - /// constructor for strings - json_value(const string_t& value) - { - string = create(value); - } - - /// constructor for rvalue strings - json_value(string_t&& value) - { - string = create(std::move(value)); - } - - /// constructor for objects - json_value(const object_t& value) - { - object = create(value); - } - - /// constructor for rvalue objects - json_value(object_t&& value) - { - object = create(std::move(value)); - } - - /// constructor for arrays - json_value(const array_t& value) - { - array = create(value); - } - - /// constructor for rvalue arrays - json_value(array_t&& value) - { - array = create(std::move(value)); - } - - /// constructor for binary arrays - json_value(const typename binary_t::container_type& value) - { - binary = create(value); - } - - /// constructor for rvalue binary arrays - json_value(typename binary_t::container_type&& value) - { - binary = create(std::move(value)); - } - - /// constructor for binary arrays (internal type) - json_value(const binary_t& value) - { - binary = create(value); - } - - /// constructor for rvalue binary arrays (internal type) - json_value(binary_t&& value) - { - binary = create(std::move(value)); - } - - void destroy(value_t t) noexcept - { - // flatten the current json_value to a heap-allocated stack - std::vector stack; - - // move the top-level items to stack - if (t == value_t::array) - { - stack.reserve(array->size()); - std::move(array->begin(), array->end(), std::back_inserter(stack)); - } - else if (t == value_t::object) - { - stack.reserve(object->size()); - for (auto&& it : *object) - { - stack.push_back(std::move(it.second)); - } - } - - while (!stack.empty()) - { - // move the last item to local variable to be processed - basic_json current_item(std::move(stack.back())); - stack.pop_back(); - - // if current_item is array/object, move - // its children to the stack to be processed later - if (current_item.is_array()) - { - std::move(current_item.m_value.array->begin(), current_item.m_value.array->end(), - std::back_inserter(stack)); - - current_item.m_value.array->clear(); - } - else if (current_item.is_object()) - { - for (auto&& it : *current_item.m_value.object) - { - stack.push_back(std::move(it.second)); - } - - current_item.m_value.object->clear(); - } - - // it's now safe that current_item get destructed - // since it doesn't have any children - } - - switch (t) - { - case value_t::object: - { - AllocatorType alloc; - std::allocator_traits::destroy(alloc, object); - std::allocator_traits::deallocate(alloc, object, 1); - break; - } - - case value_t::array: - { - AllocatorType alloc; - std::allocator_traits::destroy(alloc, array); - std::allocator_traits::deallocate(alloc, array, 1); - break; - } - - case value_t::string: - { - AllocatorType alloc; - std::allocator_traits::destroy(alloc, string); - std::allocator_traits::deallocate(alloc, string, 1); - break; - } - - case value_t::binary: - { - AllocatorType alloc; - std::allocator_traits::destroy(alloc, binary); - std::allocator_traits::deallocate(alloc, binary, 1); - break; - } - - default: - { - break; - } - } - } - }; - - /*! - @brief checks the class invariants - - This function asserts the class invariants. It needs to be called at the - end of every constructor to make sure that created objects respect the - invariant. Furthermore, it has to be called each time the type of a JSON - value is changed, because the invariant expresses a relationship between - @a m_type and @a m_value. - */ - void assert_invariant() const noexcept - { - JSON_ASSERT(m_type != value_t::object || m_value.object != nullptr); - JSON_ASSERT(m_type != value_t::array || m_value.array != nullptr); - JSON_ASSERT(m_type != value_t::string || m_value.string != nullptr); - JSON_ASSERT(m_type != value_t::binary || m_value.binary != nullptr); - } - - public: - ////////////////////////// - // JSON parser callback // - ////////////////////////// - - /*! - @brief parser event types - - The parser callback distinguishes the following events: - - `object_start`: the parser read `{` and started to process a JSON object - - `key`: the parser read a key of a value in an object - - `object_end`: the parser read `}` and finished processing a JSON object - - `array_start`: the parser read `[` and started to process a JSON array - - `array_end`: the parser read `]` and finished processing a JSON array - - `value`: the parser finished reading a JSON value - - @image html callback_events.png "Example when certain parse events are triggered" - - @sa @ref parser_callback_t for more information and examples - */ - using parse_event_t = detail::parse_event_t; - - /*! - @brief per-element parser callback type - - With a parser callback function, the result of parsing a JSON text can be - influenced. When passed to @ref parse, it is called on certain events - (passed as @ref parse_event_t via parameter @a event) with a set recursion - depth @a depth and context JSON value @a parsed. The return value of the - callback function is a boolean indicating whether the element that emitted - the callback shall be kept or not. - - We distinguish six scenarios (determined by the event type) in which the - callback function can be called. The following table describes the values - of the parameters @a depth, @a event, and @a parsed. - - parameter @a event | description | parameter @a depth | parameter @a parsed - ------------------ | ----------- | ------------------ | ------------------- - parse_event_t::object_start | the parser read `{` and started to process a JSON object | depth of the parent of the JSON object | a JSON value with type discarded - parse_event_t::key | the parser read a key of a value in an object | depth of the currently parsed JSON object | a JSON string containing the key - parse_event_t::object_end | the parser read `}` and finished processing a JSON object | depth of the parent of the JSON object | the parsed JSON object - parse_event_t::array_start | the parser read `[` and started to process a JSON array | depth of the parent of the JSON array | a JSON value with type discarded - parse_event_t::array_end | the parser read `]` and finished processing a JSON array | depth of the parent of the JSON array | the parsed JSON array - parse_event_t::value | the parser finished reading a JSON value | depth of the value | the parsed JSON value - - @image html callback_events.png "Example when certain parse events are triggered" - - Discarding a value (i.e., returning `false`) has different effects - depending on the context in which function was called: - - - Discarded values in structured types are skipped. That is, the parser - will behave as if the discarded value was never read. - - In case a value outside a structured type is skipped, it is replaced - with `null`. This case happens if the top-level element is skipped. - - @param[in] depth the depth of the recursion during parsing - - @param[in] event an event of type parse_event_t indicating the context in - the callback function has been called - - @param[in,out] parsed the current intermediate parse result; note that - writing to this value has no effect for parse_event_t::key events - - @return Whether the JSON value which called the function during parsing - should be kept (`true`) or not (`false`). In the latter case, it is either - skipped completely or replaced by an empty discarded object. - - @sa @ref parse for examples - - @since version 1.0.0 - */ - using parser_callback_t = detail::parser_callback_t; - - ////////////////// - // constructors // - ////////////////// - - /// @name constructors and destructors - /// Constructors of class @ref basic_json, copy/move constructor, copy - /// assignment, static functions creating objects, and the destructor. - /// @{ - - /*! - @brief create an empty value with a given type - - Create an empty JSON value with a given type. The value will be default - initialized with an empty value which depends on the type: - - Value type | initial value - ----------- | ------------- - null | `null` - boolean | `false` - string | `""` - number | `0` - object | `{}` - array | `[]` - binary | empty array - - @param[in] v the type of the value to create - - @complexity Constant. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes to any JSON value. - - @liveexample{The following code shows the constructor for different @ref - value_t values,basic_json__value_t} - - @sa @ref clear() -- restores the postcondition of this constructor - - @since version 1.0.0 - */ - basic_json(const value_t v) - : m_type(v), m_value(v) - { - assert_invariant(); - } - - /*! - @brief create a null object - - Create a `null` JSON value. It either takes a null pointer as parameter - (explicitly creating `null`) or no parameter (implicitly creating `null`). - The passed null pointer itself is not read -- it is only used to choose - the right constructor. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this constructor never throws - exceptions. - - @liveexample{The following code shows the constructor with and without a - null pointer parameter.,basic_json__nullptr_t} - - @since version 1.0.0 - */ - basic_json(std::nullptr_t = nullptr) noexcept - : basic_json(value_t::null) - { - assert_invariant(); - } - - /*! - @brief create a JSON value - - This is a "catch all" constructor for all compatible JSON types; that is, - types for which a `to_json()` method exists. The constructor forwards the - parameter @a val to that method (to `json_serializer::to_json` method - with `U = uncvref_t`, to be exact). - - Template type @a CompatibleType includes, but is not limited to, the - following types: - - **arrays**: @ref array_t and all kinds of compatible containers such as - `std::vector`, `std::deque`, `std::list`, `std::forward_list`, - `std::array`, `std::valarray`, `std::set`, `std::unordered_set`, - `std::multiset`, and `std::unordered_multiset` with a `value_type` from - which a @ref basic_json value can be constructed. - - **objects**: @ref object_t and all kinds of compatible associative - containers such as `std::map`, `std::unordered_map`, `std::multimap`, - and `std::unordered_multimap` with a `key_type` compatible to - @ref string_t and a `value_type` from which a @ref basic_json value can - be constructed. - - **strings**: @ref string_t, string literals, and all compatible string - containers can be used. - - **numbers**: @ref number_integer_t, @ref number_unsigned_t, - @ref number_float_t, and all convertible number types such as `int`, - `size_t`, `int64_t`, `float` or `double` can be used. - - **boolean**: @ref boolean_t / `bool` can be used. - - **binary**: @ref binary_t / `std::vector` may be used, - unfortunately because string literals cannot be distinguished from binary - character arrays by the C++ type system, all types compatible with `const - char*` will be directed to the string constructor instead. This is both - for backwards compatibility, and due to the fact that a binary type is not - a standard JSON type. - - See the examples below. - - @tparam CompatibleType a type such that: - - @a CompatibleType is not derived from `std::istream`, - - @a CompatibleType is not @ref basic_json (to avoid hijacking copy/move - constructors), - - @a CompatibleType is not a different @ref basic_json type (i.e. with different template arguments) - - @a CompatibleType is not a @ref basic_json nested type (e.g., - @ref json_pointer, @ref iterator, etc ...) - - @ref @ref json_serializer has a - `to_json(basic_json_t&, CompatibleType&&)` method - - @tparam U = `uncvref_t` - - @param[in] val the value to be forwarded to the respective constructor - - @complexity Usually linear in the size of the passed @a val, also - depending on the implementation of the called `to_json()` - method. - - @exceptionsafety Depends on the called constructor. For types directly - supported by the library (i.e., all types for which no `to_json()` function - was provided), strong guarantee holds: if an exception is thrown, there are - no changes to any JSON value. - - @liveexample{The following code shows the constructor with several - compatible types.,basic_json__CompatibleType} - - @since version 2.1.0 - */ - template < typename CompatibleType, - typename U = detail::uncvref_t, - detail::enable_if_t < - !detail::is_basic_json::value && detail::is_compatible_type::value, int > = 0 > - basic_json(CompatibleType && val) noexcept(noexcept( - JSONSerializer::to_json(std::declval(), - std::forward(val)))) - { - JSONSerializer::to_json(*this, std::forward(val)); - assert_invariant(); - } - - /*! - @brief create a JSON value from an existing one - - This is a constructor for existing @ref basic_json types. - It does not hijack copy/move constructors, since the parameter has different - template arguments than the current ones. - - The constructor tries to convert the internal @ref m_value of the parameter. - - @tparam BasicJsonType a type such that: - - @a BasicJsonType is a @ref basic_json type. - - @a BasicJsonType has different template arguments than @ref basic_json_t. - - @param[in] val the @ref basic_json value to be converted. - - @complexity Usually linear in the size of the passed @a val, also - depending on the implementation of the called `to_json()` - method. - - @exceptionsafety Depends on the called constructor. For types directly - supported by the library (i.e., all types for which no `to_json()` function - was provided), strong guarantee holds: if an exception is thrown, there are - no changes to any JSON value. - - @since version 3.2.0 - */ - template < typename BasicJsonType, - detail::enable_if_t < - detail::is_basic_json::value&& !std::is_same::value, int > = 0 > - basic_json(const BasicJsonType& val) - { - using other_boolean_t = typename BasicJsonType::boolean_t; - using other_number_float_t = typename BasicJsonType::number_float_t; - using other_number_integer_t = typename BasicJsonType::number_integer_t; - using other_number_unsigned_t = typename BasicJsonType::number_unsigned_t; - using other_string_t = typename BasicJsonType::string_t; - using other_object_t = typename BasicJsonType::object_t; - using other_array_t = typename BasicJsonType::array_t; - using other_binary_t = typename BasicJsonType::binary_t; - - switch (val.type()) - { - case value_t::boolean: - JSONSerializer::to_json(*this, val.template get()); - break; - case value_t::number_float: - JSONSerializer::to_json(*this, val.template get()); - break; - case value_t::number_integer: - JSONSerializer::to_json(*this, val.template get()); - break; - case value_t::number_unsigned: - JSONSerializer::to_json(*this, val.template get()); - break; - case value_t::string: - JSONSerializer::to_json(*this, val.template get_ref()); - break; - case value_t::object: - JSONSerializer::to_json(*this, val.template get_ref()); - break; - case value_t::array: - JSONSerializer::to_json(*this, val.template get_ref()); - break; - case value_t::binary: - JSONSerializer::to_json(*this, val.template get_ref()); - break; - case value_t::null: - *this = nullptr; - break; - case value_t::discarded: - m_type = value_t::discarded; - break; - default: // LCOV_EXCL_LINE - JSON_ASSERT(false); // LCOV_EXCL_LINE - } - assert_invariant(); - } - - /*! - @brief create a container (array or object) from an initializer list - - Creates a JSON value of type array or object from the passed initializer - list @a init. In case @a type_deduction is `true` (default), the type of - the JSON value to be created is deducted from the initializer list @a init - according to the following rules: - - 1. If the list is empty, an empty JSON object value `{}` is created. - 2. If the list consists of pairs whose first element is a string, a JSON - object value is created where the first elements of the pairs are - treated as keys and the second elements are as values. - 3. In all other cases, an array is created. - - The rules aim to create the best fit between a C++ initializer list and - JSON values. The rationale is as follows: - - 1. The empty initializer list is written as `{}` which is exactly an empty - JSON object. - 2. C++ has no way of describing mapped types other than to list a list of - pairs. As JSON requires that keys must be of type string, rule 2 is the - weakest constraint one can pose on initializer lists to interpret them - as an object. - 3. In all other cases, the initializer list could not be interpreted as - JSON object type, so interpreting it as JSON array type is safe. - - With the rules described above, the following JSON values cannot be - expressed by an initializer list: - - - the empty array (`[]`): use @ref array(initializer_list_t) - with an empty initializer list in this case - - arrays whose elements satisfy rule 2: use @ref - array(initializer_list_t) with the same initializer list - in this case - - @note When used without parentheses around an empty initializer list, @ref - basic_json() is called instead of this function, yielding the JSON null - value. - - @param[in] init initializer list with JSON values - - @param[in] type_deduction internal parameter; when set to `true`, the type - of the JSON value is deducted from the initializer list @a init; when set - to `false`, the type provided via @a manual_type is forced. This mode is - used by the functions @ref array(initializer_list_t) and - @ref object(initializer_list_t). - - @param[in] manual_type internal parameter; when @a type_deduction is set - to `false`, the created JSON value will use the provided type (only @ref - value_t::array and @ref value_t::object are valid); when @a type_deduction - is set to `true`, this parameter has no effect - - @throw type_error.301 if @a type_deduction is `false`, @a manual_type is - `value_t::object`, but @a init contains an element which is not a pair - whose first element is a string. In this case, the constructor could not - create an object. If @a type_deduction would have be `true`, an array - would have been created. See @ref object(initializer_list_t) - for an example. - - @complexity Linear in the size of the initializer list @a init. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes to any JSON value. - - @liveexample{The example below shows how JSON values are created from - initializer lists.,basic_json__list_init_t} - - @sa @ref array(initializer_list_t) -- create a JSON array - value from an initializer list - @sa @ref object(initializer_list_t) -- create a JSON object - value from an initializer list - - @since version 1.0.0 - */ - basic_json(initializer_list_t init, - bool type_deduction = true, - value_t manual_type = value_t::array) - { - // check if each element is an array with two elements whose first - // element is a string - bool is_an_object = std::all_of(init.begin(), init.end(), - [](const detail::json_ref& element_ref) - { - return element_ref->is_array() && element_ref->size() == 2 && (*element_ref)[0].is_string(); - }); - - // adjust type if type deduction is not wanted - if (!type_deduction) - { - // if array is wanted, do not create an object though possible - if (manual_type == value_t::array) - { - is_an_object = false; - } - - // if object is wanted but impossible, throw an exception - if (JSON_HEDLEY_UNLIKELY(manual_type == value_t::object && !is_an_object)) - { - JSON_THROW(type_error::create(301, "cannot create object from initializer list")); - } - } - - if (is_an_object) - { - // the initializer list is a list of pairs -> create object - m_type = value_t::object; - m_value = value_t::object; - - std::for_each(init.begin(), init.end(), [this](const detail::json_ref& element_ref) - { - auto element = element_ref.moved_or_copied(); - m_value.object->emplace( - std::move(*((*element.m_value.array)[0].m_value.string)), - std::move((*element.m_value.array)[1])); - }); - } - else - { - // the initializer list describes an array -> create array - m_type = value_t::array; - m_value.array = create(init.begin(), init.end()); - } - - assert_invariant(); - } - - /*! - @brief explicitly create a binary array (without subtype) - - Creates a JSON binary array value from a given binary container. Binary - values are part of various binary formats, such as CBOR, MessagePack, and - BSON. This constructor is used to create a value for serialization to those - formats. - - @note Note, this function exists because of the difficulty in correctly - specifying the correct template overload in the standard value ctor, as both - JSON arrays and JSON binary arrays are backed with some form of a - `std::vector`. Because JSON binary arrays are a non-standard extension it - was decided that it would be best to prevent automatic initialization of a - binary array type, for backwards compatibility and so it does not happen on - accident. - - @param[in] init container containing bytes to use as binary type - - @return JSON binary array value - - @complexity Linear in the size of @a init. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes to any JSON value. - - @since version 3.8.0 - */ - JSON_HEDLEY_WARN_UNUSED_RESULT - static basic_json binary(const typename binary_t::container_type& init) - { - auto res = basic_json(); - res.m_type = value_t::binary; - res.m_value = init; - return res; - } - - /*! - @brief explicitly create a binary array (with subtype) - - Creates a JSON binary array value from a given binary container. Binary - values are part of various binary formats, such as CBOR, MessagePack, and - BSON. This constructor is used to create a value for serialization to those - formats. - - @note Note, this function exists because of the difficulty in correctly - specifying the correct template overload in the standard value ctor, as both - JSON arrays and JSON binary arrays are backed with some form of a - `std::vector`. Because JSON binary arrays are a non-standard extension it - was decided that it would be best to prevent automatic initialization of a - binary array type, for backwards compatibility and so it does not happen on - accident. - - @param[in] init container containing bytes to use as binary type - @param[in] subtype subtype to use in MessagePack and BSON - - @return JSON binary array value - - @complexity Linear in the size of @a init. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes to any JSON value. - - @since version 3.8.0 - */ - JSON_HEDLEY_WARN_UNUSED_RESULT - static basic_json binary(const typename binary_t::container_type& init, std::uint8_t subtype) - { - auto res = basic_json(); - res.m_type = value_t::binary; - res.m_value = binary_t(init, subtype); - return res; - } - - /// @copydoc binary(const typename binary_t::container_type&) - JSON_HEDLEY_WARN_UNUSED_RESULT - static basic_json binary(typename binary_t::container_type&& init) - { - auto res = basic_json(); - res.m_type = value_t::binary; - res.m_value = std::move(init); - return res; - } - - /// @copydoc binary(const typename binary_t::container_type&, std::uint8_t) - JSON_HEDLEY_WARN_UNUSED_RESULT - static basic_json binary(typename binary_t::container_type&& init, std::uint8_t subtype) - { - auto res = basic_json(); - res.m_type = value_t::binary; - res.m_value = binary_t(std::move(init), subtype); - return res; - } - - /*! - @brief explicitly create an array from an initializer list - - Creates a JSON array value from a given initializer list. That is, given a - list of values `a, b, c`, creates the JSON value `[a, b, c]`. If the - initializer list is empty, the empty array `[]` is created. - - @note This function is only needed to express two edge cases that cannot - be realized with the initializer list constructor (@ref - basic_json(initializer_list_t, bool, value_t)). These cases - are: - 1. creating an array whose elements are all pairs whose first element is a - string -- in this case, the initializer list constructor would create an - object, taking the first elements as keys - 2. creating an empty array -- passing the empty initializer list to the - initializer list constructor yields an empty object - - @param[in] init initializer list with JSON values to create an array from - (optional) - - @return JSON array value - - @complexity Linear in the size of @a init. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes to any JSON value. - - @liveexample{The following code shows an example for the `array` - function.,array} - - @sa @ref basic_json(initializer_list_t, bool, value_t) -- - create a JSON value from an initializer list - @sa @ref object(initializer_list_t) -- create a JSON object - value from an initializer list - - @since version 1.0.0 - */ - JSON_HEDLEY_WARN_UNUSED_RESULT - static basic_json array(initializer_list_t init = {}) - { - return basic_json(init, false, value_t::array); - } - - /*! - @brief explicitly create an object from an initializer list - - Creates a JSON object value from a given initializer list. The initializer - lists elements must be pairs, and their first elements must be strings. If - the initializer list is empty, the empty object `{}` is created. - - @note This function is only added for symmetry reasons. In contrast to the - related function @ref array(initializer_list_t), there are - no cases which can only be expressed by this function. That is, any - initializer list @a init can also be passed to the initializer list - constructor @ref basic_json(initializer_list_t, bool, value_t). - - @param[in] init initializer list to create an object from (optional) - - @return JSON object value - - @throw type_error.301 if @a init is not a list of pairs whose first - elements are strings. In this case, no object can be created. When such a - value is passed to @ref basic_json(initializer_list_t, bool, value_t), - an array would have been created from the passed initializer list @a init. - See example below. - - @complexity Linear in the size of @a init. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes to any JSON value. - - @liveexample{The following code shows an example for the `object` - function.,object} - - @sa @ref basic_json(initializer_list_t, bool, value_t) -- - create a JSON value from an initializer list - @sa @ref array(initializer_list_t) -- create a JSON array - value from an initializer list - - @since version 1.0.0 - */ - JSON_HEDLEY_WARN_UNUSED_RESULT - static basic_json object(initializer_list_t init = {}) - { - return basic_json(init, false, value_t::object); - } - - /*! - @brief construct an array with count copies of given value - - Constructs a JSON array value by creating @a cnt copies of a passed value. - In case @a cnt is `0`, an empty array is created. - - @param[in] cnt the number of JSON copies of @a val to create - @param[in] val the JSON value to copy - - @post `std::distance(begin(),end()) == cnt` holds. - - @complexity Linear in @a cnt. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes to any JSON value. - - @liveexample{The following code shows examples for the @ref - basic_json(size_type\, const basic_json&) - constructor.,basic_json__size_type_basic_json} - - @since version 1.0.0 - */ - basic_json(size_type cnt, const basic_json& val) - : m_type(value_t::array) - { - m_value.array = create(cnt, val); - assert_invariant(); - } - - /*! - @brief construct a JSON container given an iterator range - - Constructs the JSON value with the contents of the range `[first, last)`. - The semantics depends on the different types a JSON value can have: - - In case of a null type, invalid_iterator.206 is thrown. - - In case of other primitive types (number, boolean, or string), @a first - must be `begin()` and @a last must be `end()`. In this case, the value is - copied. Otherwise, invalid_iterator.204 is thrown. - - In case of structured types (array, object), the constructor behaves as - similar versions for `std::vector` or `std::map`; that is, a JSON array - or object is constructed from the values in the range. - - @tparam InputIT an input iterator type (@ref iterator or @ref - const_iterator) - - @param[in] first begin of the range to copy from (included) - @param[in] last end of the range to copy from (excluded) - - @pre Iterators @a first and @a last must be initialized. **This - precondition is enforced with an assertion (see warning).** If - assertions are switched off, a violation of this precondition yields - undefined behavior. - - @pre Range `[first, last)` is valid. Usually, this precondition cannot be - checked efficiently. Only certain edge cases are detected; see the - description of the exceptions below. A violation of this precondition - yields undefined behavior. - - @warning A precondition is enforced with a runtime assertion that will - result in calling `std::abort` if this precondition is not met. - Assertions can be disabled by defining `NDEBUG` at compile time. - See https://en.cppreference.com/w/cpp/error/assert for more - information. - - @throw invalid_iterator.201 if iterators @a first and @a last are not - compatible (i.e., do not belong to the same JSON value). In this case, - the range `[first, last)` is undefined. - @throw invalid_iterator.204 if iterators @a first and @a last belong to a - primitive type (number, boolean, or string), but @a first does not point - to the first element any more. In this case, the range `[first, last)` is - undefined. See example code below. - @throw invalid_iterator.206 if iterators @a first and @a last belong to a - null value. In this case, the range `[first, last)` is undefined. - - @complexity Linear in distance between @a first and @a last. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes to any JSON value. - - @liveexample{The example below shows several ways to create JSON values by - specifying a subrange with iterators.,basic_json__InputIt_InputIt} - - @since version 1.0.0 - */ - template < class InputIT, typename std::enable_if < - std::is_same::value || - std::is_same::value, int >::type = 0 > - basic_json(InputIT first, InputIT last) - { - JSON_ASSERT(first.m_object != nullptr); - JSON_ASSERT(last.m_object != nullptr); - - // make sure iterator fits the current value - if (JSON_HEDLEY_UNLIKELY(first.m_object != last.m_object)) - { - JSON_THROW(invalid_iterator::create(201, "iterators are not compatible")); - } - - // copy type from first iterator - m_type = first.m_object->m_type; - - // check if iterator range is complete for primitive values - switch (m_type) - { - case value_t::boolean: - case value_t::number_float: - case value_t::number_integer: - case value_t::number_unsigned: - case value_t::string: - { - if (JSON_HEDLEY_UNLIKELY(!first.m_it.primitive_iterator.is_begin() - || !last.m_it.primitive_iterator.is_end())) - { - JSON_THROW(invalid_iterator::create(204, "iterators out of range")); - } - break; - } - - default: - break; - } - - switch (m_type) - { - case value_t::number_integer: - { - m_value.number_integer = first.m_object->m_value.number_integer; - break; - } - - case value_t::number_unsigned: - { - m_value.number_unsigned = first.m_object->m_value.number_unsigned; - break; - } - - case value_t::number_float: - { - m_value.number_float = first.m_object->m_value.number_float; - break; - } - - case value_t::boolean: - { - m_value.boolean = first.m_object->m_value.boolean; - break; - } - - case value_t::string: - { - m_value = *first.m_object->m_value.string; - break; - } - - case value_t::object: - { - m_value.object = create(first.m_it.object_iterator, - last.m_it.object_iterator); - break; - } - - case value_t::array: - { - m_value.array = create(first.m_it.array_iterator, - last.m_it.array_iterator); - break; - } - - case value_t::binary: - { - m_value = *first.m_object->m_value.binary; - break; - } - - default: - JSON_THROW(invalid_iterator::create(206, "cannot construct with iterators from " + - std::string(first.m_object->type_name()))); - } - - assert_invariant(); - } - - - /////////////////////////////////////// - // other constructors and destructor // - /////////////////////////////////////// - - template, - std::is_same>::value, int> = 0 > - basic_json(const JsonRef& ref) : basic_json(ref.moved_or_copied()) {} - - /*! - @brief copy constructor - - Creates a copy of a given JSON value. - - @param[in] other the JSON value to copy - - @post `*this == other` - - @complexity Linear in the size of @a other. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes to any JSON value. - - @requirement This function helps `basic_json` satisfying the - [Container](https://en.cppreference.com/w/cpp/named_req/Container) - requirements: - - The complexity is linear. - - As postcondition, it holds: `other == basic_json(other)`. - - @liveexample{The following code shows an example for the copy - constructor.,basic_json__basic_json} - - @since version 1.0.0 - */ - basic_json(const basic_json& other) - : m_type(other.m_type) - { - // check of passed value is valid - other.assert_invariant(); - - switch (m_type) - { - case value_t::object: - { - m_value = *other.m_value.object; - break; - } - - case value_t::array: - { - m_value = *other.m_value.array; - break; - } - - case value_t::string: - { - m_value = *other.m_value.string; - break; - } - - case value_t::boolean: - { - m_value = other.m_value.boolean; - break; - } - - case value_t::number_integer: - { - m_value = other.m_value.number_integer; - break; - } - - case value_t::number_unsigned: - { - m_value = other.m_value.number_unsigned; - break; - } - - case value_t::number_float: - { - m_value = other.m_value.number_float; - break; - } - - case value_t::binary: - { - m_value = *other.m_value.binary; - break; - } - - default: - break; - } - - assert_invariant(); - } - - /*! - @brief move constructor - - Move constructor. Constructs a JSON value with the contents of the given - value @a other using move semantics. It "steals" the resources from @a - other and leaves it as JSON null value. - - @param[in,out] other value to move to this object - - @post `*this` has the same value as @a other before the call. - @post @a other is a JSON null value. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this constructor never throws - exceptions. - - @requirement This function helps `basic_json` satisfying the - [MoveConstructible](https://en.cppreference.com/w/cpp/named_req/MoveConstructible) - requirements. - - @liveexample{The code below shows the move constructor explicitly called - via std::move.,basic_json__moveconstructor} - - @since version 1.0.0 - */ - basic_json(basic_json&& other) noexcept - : m_type(std::move(other.m_type)), - m_value(std::move(other.m_value)) - { - // check that passed value is valid - other.assert_invariant(); - - // invalidate payload - other.m_type = value_t::null; - other.m_value = {}; - - assert_invariant(); - } - - /*! - @brief copy assignment - - Copy assignment operator. Copies a JSON value via the "copy and swap" - strategy: It is expressed in terms of the copy constructor, destructor, - and the `swap()` member function. - - @param[in] other value to copy from - - @complexity Linear. - - @requirement This function helps `basic_json` satisfying the - [Container](https://en.cppreference.com/w/cpp/named_req/Container) - requirements: - - The complexity is linear. - - @liveexample{The code below shows and example for the copy assignment. It - creates a copy of value `a` which is then swapped with `b`. Finally\, the - copy of `a` (which is the null value after the swap) is - destroyed.,basic_json__copyassignment} - - @since version 1.0.0 - */ - basic_json& operator=(basic_json other) noexcept ( - std::is_nothrow_move_constructible::value&& - std::is_nothrow_move_assignable::value&& - std::is_nothrow_move_constructible::value&& - std::is_nothrow_move_assignable::value - ) - { - // check that passed value is valid - other.assert_invariant(); - - using std::swap; - swap(m_type, other.m_type); - swap(m_value, other.m_value); - - assert_invariant(); - return *this; - } - - /*! - @brief destructor - - Destroys the JSON value and frees all allocated memory. - - @complexity Linear. - - @requirement This function helps `basic_json` satisfying the - [Container](https://en.cppreference.com/w/cpp/named_req/Container) - requirements: - - The complexity is linear. - - All stored elements are destroyed and all memory is freed. - - @since version 1.0.0 - */ - ~basic_json() noexcept - { - assert_invariant(); - m_value.destroy(m_type); - } - - /// @} - - public: - /////////////////////// - // object inspection // - /////////////////////// - - /// @name object inspection - /// Functions to inspect the type of a JSON value. - /// @{ - - /*! - @brief serialization - - Serialization function for JSON values. The function tries to mimic - Python's `json.dumps()` function, and currently supports its @a indent - and @a ensure_ascii parameters. - - @param[in] indent If indent is nonnegative, then array elements and object - members will be pretty-printed with that indent level. An indent level of - `0` will only insert newlines. `-1` (the default) selects the most compact - representation. - @param[in] indent_char The character to use for indentation if @a indent is - greater than `0`. The default is ` ` (space). - @param[in] ensure_ascii If @a ensure_ascii is true, all non-ASCII characters - in the output are escaped with `\uXXXX` sequences, and the result consists - of ASCII characters only. - @param[in] error_handler how to react on decoding errors; there are three - possible values: `strict` (throws and exception in case a decoding error - occurs; default), `replace` (replace invalid UTF-8 sequences with U+FFFD), - and `ignore` (ignore invalid UTF-8 sequences during serialization; all - bytes are copied to the output unchanged). - - @return string containing the serialization of the JSON value - - @throw type_error.316 if a string stored inside the JSON value is not - UTF-8 encoded and @a error_handler is set to strict - - @note Binary values are serialized as object containing two keys: - - "bytes": an array of bytes as integers - - "subtype": the subtype as integer or "null" if the binary has no subtype - - @complexity Linear. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes in the JSON value. - - @liveexample{The following example shows the effect of different @a indent\, - @a indent_char\, and @a ensure_ascii parameters to the result of the - serialization.,dump} - - @see https://docs.python.org/2/library/json.html#json.dump - - @since version 1.0.0; indentation character @a indent_char, option - @a ensure_ascii and exceptions added in version 3.0.0; error - handlers added in version 3.4.0; serialization of binary values added - in version 3.8.0. - */ - string_t dump(const int indent = -1, - const char indent_char = ' ', - const bool ensure_ascii = false, - const error_handler_t error_handler = error_handler_t::strict) const - { - string_t result; - serializer s(detail::output_adapter(result), indent_char, error_handler); - - if (indent >= 0) - { - s.dump(*this, true, ensure_ascii, static_cast(indent)); - } - else - { - s.dump(*this, false, ensure_ascii, 0); - } - - return result; - } - - /*! - @brief return the type of the JSON value (explicit) - - Return the type of the JSON value as a value from the @ref value_t - enumeration. - - @return the type of the JSON value - Value type | return value - ------------------------- | ------------------------- - null | value_t::null - boolean | value_t::boolean - string | value_t::string - number (integer) | value_t::number_integer - number (unsigned integer) | value_t::number_unsigned - number (floating-point) | value_t::number_float - object | value_t::object - array | value_t::array - binary | value_t::binary - discarded | value_t::discarded - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `type()` for all JSON - types.,type} - - @sa @ref operator value_t() -- return the type of the JSON value (implicit) - @sa @ref type_name() -- return the type as string - - @since version 1.0.0 - */ - constexpr value_t type() const noexcept - { - return m_type; - } - - /*! - @brief return whether type is primitive - - This function returns true if and only if the JSON type is primitive - (string, number, boolean, or null). - - @return `true` if type is primitive (string, number, boolean, or null), - `false` otherwise. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `is_primitive()` for all JSON - types.,is_primitive} - - @sa @ref is_structured() -- returns whether JSON value is structured - @sa @ref is_null() -- returns whether JSON value is `null` - @sa @ref is_string() -- returns whether JSON value is a string - @sa @ref is_boolean() -- returns whether JSON value is a boolean - @sa @ref is_number() -- returns whether JSON value is a number - @sa @ref is_binary() -- returns whether JSON value is a binary array - - @since version 1.0.0 - */ - constexpr bool is_primitive() const noexcept - { - return is_null() || is_string() || is_boolean() || is_number() || is_binary(); - } - - /*! - @brief return whether type is structured - - This function returns true if and only if the JSON type is structured - (array or object). - - @return `true` if type is structured (array or object), `false` otherwise. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `is_structured()` for all JSON - types.,is_structured} - - @sa @ref is_primitive() -- returns whether value is primitive - @sa @ref is_array() -- returns whether value is an array - @sa @ref is_object() -- returns whether value is an object - - @since version 1.0.0 - */ - constexpr bool is_structured() const noexcept - { - return is_array() || is_object(); - } - - /*! - @brief return whether value is null - - This function returns true if and only if the JSON value is null. - - @return `true` if type is null, `false` otherwise. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `is_null()` for all JSON - types.,is_null} - - @since version 1.0.0 - */ - constexpr bool is_null() const noexcept - { - return m_type == value_t::null; - } - - /*! - @brief return whether value is a boolean - - This function returns true if and only if the JSON value is a boolean. - - @return `true` if type is boolean, `false` otherwise. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `is_boolean()` for all JSON - types.,is_boolean} - - @since version 1.0.0 - */ - constexpr bool is_boolean() const noexcept - { - return m_type == value_t::boolean; - } - - /*! - @brief return whether value is a number - - This function returns true if and only if the JSON value is a number. This - includes both integer (signed and unsigned) and floating-point values. - - @return `true` if type is number (regardless whether integer, unsigned - integer or floating-type), `false` otherwise. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `is_number()` for all JSON - types.,is_number} - - @sa @ref is_number_integer() -- check if value is an integer or unsigned - integer number - @sa @ref is_number_unsigned() -- check if value is an unsigned integer - number - @sa @ref is_number_float() -- check if value is a floating-point number - - @since version 1.0.0 - */ - constexpr bool is_number() const noexcept - { - return is_number_integer() || is_number_float(); - } - - /*! - @brief return whether value is an integer number - - This function returns true if and only if the JSON value is a signed or - unsigned integer number. This excludes floating-point values. - - @return `true` if type is an integer or unsigned integer number, `false` - otherwise. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `is_number_integer()` for all - JSON types.,is_number_integer} - - @sa @ref is_number() -- check if value is a number - @sa @ref is_number_unsigned() -- check if value is an unsigned integer - number - @sa @ref is_number_float() -- check if value is a floating-point number - - @since version 1.0.0 - */ - constexpr bool is_number_integer() const noexcept - { - return m_type == value_t::number_integer || m_type == value_t::number_unsigned; - } - - /*! - @brief return whether value is an unsigned integer number - - This function returns true if and only if the JSON value is an unsigned - integer number. This excludes floating-point and signed integer values. - - @return `true` if type is an unsigned integer number, `false` otherwise. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `is_number_unsigned()` for all - JSON types.,is_number_unsigned} - - @sa @ref is_number() -- check if value is a number - @sa @ref is_number_integer() -- check if value is an integer or unsigned - integer number - @sa @ref is_number_float() -- check if value is a floating-point number - - @since version 2.0.0 - */ - constexpr bool is_number_unsigned() const noexcept - { - return m_type == value_t::number_unsigned; - } - - /*! - @brief return whether value is a floating-point number - - This function returns true if and only if the JSON value is a - floating-point number. This excludes signed and unsigned integer values. - - @return `true` if type is a floating-point number, `false` otherwise. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `is_number_float()` for all - JSON types.,is_number_float} - - @sa @ref is_number() -- check if value is number - @sa @ref is_number_integer() -- check if value is an integer number - @sa @ref is_number_unsigned() -- check if value is an unsigned integer - number - - @since version 1.0.0 - */ - constexpr bool is_number_float() const noexcept - { - return m_type == value_t::number_float; - } - - /*! - @brief return whether value is an object - - This function returns true if and only if the JSON value is an object. - - @return `true` if type is object, `false` otherwise. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `is_object()` for all JSON - types.,is_object} - - @since version 1.0.0 - */ - constexpr bool is_object() const noexcept - { - return m_type == value_t::object; - } - - /*! - @brief return whether value is an array - - This function returns true if and only if the JSON value is an array. - - @return `true` if type is array, `false` otherwise. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `is_array()` for all JSON - types.,is_array} - - @since version 1.0.0 - */ - constexpr bool is_array() const noexcept - { - return m_type == value_t::array; - } - - /*! - @brief return whether value is a string - - This function returns true if and only if the JSON value is a string. - - @return `true` if type is string, `false` otherwise. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `is_string()` for all JSON - types.,is_string} - - @since version 1.0.0 - */ - constexpr bool is_string() const noexcept - { - return m_type == value_t::string; - } - - /*! - @brief return whether value is a binary array - - This function returns true if and only if the JSON value is a binary array. - - @return `true` if type is binary array, `false` otherwise. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `is_binary()` for all JSON - types.,is_binary} - - @since version 3.8.0 - */ - constexpr bool is_binary() const noexcept - { - return m_type == value_t::binary; - } - - /*! - @brief return whether value is discarded - - This function returns true if and only if the JSON value was discarded - during parsing with a callback function (see @ref parser_callback_t). - - @note This function will always be `false` for JSON values after parsing. - That is, discarded values can only occur during parsing, but will be - removed when inside a structured value or replaced by null in other cases. - - @return `true` if type is discarded, `false` otherwise. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `is_discarded()` for all JSON - types.,is_discarded} - - @since version 1.0.0 - */ - constexpr bool is_discarded() const noexcept - { - return m_type == value_t::discarded; - } - - /*! - @brief return the type of the JSON value (implicit) - - Implicitly return the type of the JSON value as a value from the @ref - value_t enumeration. - - @return the type of the JSON value - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies the @ref value_t operator for - all JSON types.,operator__value_t} - - @sa @ref type() -- return the type of the JSON value (explicit) - @sa @ref type_name() -- return the type as string - - @since version 1.0.0 - */ - constexpr operator value_t() const noexcept - { - return m_type; - } - - /// @} - - private: - ////////////////// - // value access // - ////////////////// - - /// get a boolean (explicit) - boolean_t get_impl(boolean_t* /*unused*/) const - { - if (JSON_HEDLEY_LIKELY(is_boolean())) - { - return m_value.boolean; - } - - JSON_THROW(type_error::create(302, "type must be boolean, but is " + std::string(type_name()))); - } - - /// get a pointer to the value (object) - object_t* get_impl_ptr(object_t* /*unused*/) noexcept - { - return is_object() ? m_value.object : nullptr; - } - - /// get a pointer to the value (object) - constexpr const object_t* get_impl_ptr(const object_t* /*unused*/) const noexcept - { - return is_object() ? m_value.object : nullptr; - } - - /// get a pointer to the value (array) - array_t* get_impl_ptr(array_t* /*unused*/) noexcept - { - return is_array() ? m_value.array : nullptr; - } - - /// get a pointer to the value (array) - constexpr const array_t* get_impl_ptr(const array_t* /*unused*/) const noexcept - { - return is_array() ? m_value.array : nullptr; - } - - /// get a pointer to the value (string) - string_t* get_impl_ptr(string_t* /*unused*/) noexcept - { - return is_string() ? m_value.string : nullptr; - } - - /// get a pointer to the value (string) - constexpr const string_t* get_impl_ptr(const string_t* /*unused*/) const noexcept - { - return is_string() ? m_value.string : nullptr; - } - - /// get a pointer to the value (boolean) - boolean_t* get_impl_ptr(boolean_t* /*unused*/) noexcept - { - return is_boolean() ? &m_value.boolean : nullptr; - } - - /// get a pointer to the value (boolean) - constexpr const boolean_t* get_impl_ptr(const boolean_t* /*unused*/) const noexcept - { - return is_boolean() ? &m_value.boolean : nullptr; - } - - /// get a pointer to the value (integer number) - number_integer_t* get_impl_ptr(number_integer_t* /*unused*/) noexcept - { - return is_number_integer() ? &m_value.number_integer : nullptr; - } - - /// get a pointer to the value (integer number) - constexpr const number_integer_t* get_impl_ptr(const number_integer_t* /*unused*/) const noexcept - { - return is_number_integer() ? &m_value.number_integer : nullptr; - } - - /// get a pointer to the value (unsigned number) - number_unsigned_t* get_impl_ptr(number_unsigned_t* /*unused*/) noexcept - { - return is_number_unsigned() ? &m_value.number_unsigned : nullptr; - } - - /// get a pointer to the value (unsigned number) - constexpr const number_unsigned_t* get_impl_ptr(const number_unsigned_t* /*unused*/) const noexcept - { - return is_number_unsigned() ? &m_value.number_unsigned : nullptr; - } - - /// get a pointer to the value (floating-point number) - number_float_t* get_impl_ptr(number_float_t* /*unused*/) noexcept - { - return is_number_float() ? &m_value.number_float : nullptr; - } - - /// get a pointer to the value (floating-point number) - constexpr const number_float_t* get_impl_ptr(const number_float_t* /*unused*/) const noexcept - { - return is_number_float() ? &m_value.number_float : nullptr; - } - - /// get a pointer to the value (binary) - binary_t* get_impl_ptr(binary_t* /*unused*/) noexcept - { - return is_binary() ? m_value.binary : nullptr; - } - - /// get a pointer to the value (binary) - constexpr const binary_t* get_impl_ptr(const binary_t* /*unused*/) const noexcept - { - return is_binary() ? m_value.binary : nullptr; - } - - /*! - @brief helper function to implement get_ref() - - This function helps to implement get_ref() without code duplication for - const and non-const overloads - - @tparam ThisType will be deduced as `basic_json` or `const basic_json` - - @throw type_error.303 if ReferenceType does not match underlying value - type of the current JSON - */ - template - static ReferenceType get_ref_impl(ThisType& obj) - { - // delegate the call to get_ptr<>() - auto ptr = obj.template get_ptr::type>(); - - if (JSON_HEDLEY_LIKELY(ptr != nullptr)) - { - return *ptr; - } - - JSON_THROW(type_error::create(303, "incompatible ReferenceType for get_ref, actual type is " + std::string(obj.type_name()))); - } - - public: - /// @name value access - /// Direct access to the stored value of a JSON value. - /// @{ - - /*! - @brief get special-case overload - - This overloads avoids a lot of template boilerplate, it can be seen as the - identity method - - @tparam BasicJsonType == @ref basic_json - - @return a copy of *this - - @complexity Constant. - - @since version 2.1.0 - */ - template::type, basic_json_t>::value, - int> = 0> - basic_json get() const - { - return *this; - } - - /*! - @brief get special-case overload - - This overloads converts the current @ref basic_json in a different - @ref basic_json type - - @tparam BasicJsonType == @ref basic_json - - @return a copy of *this, converted into @tparam BasicJsonType - - @complexity Depending on the implementation of the called `from_json()` - method. - - @since version 3.2.0 - */ - template < typename BasicJsonType, detail::enable_if_t < - !std::is_same::value&& - detail::is_basic_json::value, int > = 0 > - BasicJsonType get() const - { - return *this; - } - - /*! - @brief get a value (explicit) - - Explicit type conversion between the JSON value and a compatible value - which is [CopyConstructible](https://en.cppreference.com/w/cpp/named_req/CopyConstructible) - and [DefaultConstructible](https://en.cppreference.com/w/cpp/named_req/DefaultConstructible). - The value is converted by calling the @ref json_serializer - `from_json()` method. - - The function is equivalent to executing - @code {.cpp} - ValueType ret; - JSONSerializer::from_json(*this, ret); - return ret; - @endcode - - This overloads is chosen if: - - @a ValueType is not @ref basic_json, - - @ref json_serializer has a `from_json()` method of the form - `void from_json(const basic_json&, ValueType&)`, and - - @ref json_serializer does not have a `from_json()` method of - the form `ValueType from_json(const basic_json&)` - - @tparam ValueTypeCV the provided value type - @tparam ValueType the returned value type - - @return copy of the JSON value, converted to @a ValueType - - @throw what @ref json_serializer `from_json()` method throws - - @liveexample{The example below shows several conversions from JSON values - to other types. There a few things to note: (1) Floating-point numbers can - be converted to integers\, (2) A JSON array can be converted to a standard - `std::vector`\, (3) A JSON object can be converted to C++ - associative containers such as `std::unordered_map`.,get__ValueType_const} - - @since version 2.1.0 - */ - template < typename ValueTypeCV, typename ValueType = detail::uncvref_t, - detail::enable_if_t < - !detail::is_basic_json::value && - detail::has_from_json::value && - !detail::has_non_default_from_json::value, - int > = 0 > - ValueType get() const noexcept(noexcept( - JSONSerializer::from_json(std::declval(), std::declval()))) - { - // we cannot static_assert on ValueTypeCV being non-const, because - // there is support for get(), which is why we - // still need the uncvref - static_assert(!std::is_reference::value, - "get() cannot be used with reference types, you might want to use get_ref()"); - static_assert(std::is_default_constructible::value, - "types must be DefaultConstructible when used with get()"); - - ValueType ret; - JSONSerializer::from_json(*this, ret); - return ret; - } - - /*! - @brief get a value (explicit); special case - - Explicit type conversion between the JSON value and a compatible value - which is **not** [CopyConstructible](https://en.cppreference.com/w/cpp/named_req/CopyConstructible) - and **not** [DefaultConstructible](https://en.cppreference.com/w/cpp/named_req/DefaultConstructible). - The value is converted by calling the @ref json_serializer - `from_json()` method. - - The function is equivalent to executing - @code {.cpp} - return JSONSerializer::from_json(*this); - @endcode - - This overloads is chosen if: - - @a ValueType is not @ref basic_json and - - @ref json_serializer has a `from_json()` method of the form - `ValueType from_json(const basic_json&)` - - @note If @ref json_serializer has both overloads of - `from_json()`, this one is chosen. - - @tparam ValueTypeCV the provided value type - @tparam ValueType the returned value type - - @return copy of the JSON value, converted to @a ValueType - - @throw what @ref json_serializer `from_json()` method throws - - @since version 2.1.0 - */ - template < typename ValueTypeCV, typename ValueType = detail::uncvref_t, - detail::enable_if_t < !std::is_same::value && - detail::has_non_default_from_json::value, - int > = 0 > - ValueType get() const noexcept(noexcept( - JSONSerializer::from_json(std::declval()))) - { - static_assert(!std::is_reference::value, - "get() cannot be used with reference types, you might want to use get_ref()"); - return JSONSerializer::from_json(*this); - } - - /*! - @brief get a value (explicit) - - Explicit type conversion between the JSON value and a compatible value. - The value is filled into the input parameter by calling the @ref json_serializer - `from_json()` method. - - The function is equivalent to executing - @code {.cpp} - ValueType v; - JSONSerializer::from_json(*this, v); - @endcode - - This overloads is chosen if: - - @a ValueType is not @ref basic_json, - - @ref json_serializer has a `from_json()` method of the form - `void from_json(const basic_json&, ValueType&)`, and - - @tparam ValueType the input parameter type. - - @return the input parameter, allowing chaining calls. - - @throw what @ref json_serializer `from_json()` method throws - - @liveexample{The example below shows several conversions from JSON values - to other types. There a few things to note: (1) Floating-point numbers can - be converted to integers\, (2) A JSON array can be converted to a standard - `std::vector`\, (3) A JSON object can be converted to C++ - associative containers such as `std::unordered_map`.,get_to} - - @since version 3.3.0 - */ - template < typename ValueType, - detail::enable_if_t < - !detail::is_basic_json::value&& - detail::has_from_json::value, - int > = 0 > - ValueType & get_to(ValueType& v) const noexcept(noexcept( - JSONSerializer::from_json(std::declval(), v))) - { - JSONSerializer::from_json(*this, v); - return v; - } - - // specialization to allow to call get_to with a basic_json value - // see https://github.com/nlohmann/json/issues/2175 - template::value, - int> = 0> - ValueType & get_to(ValueType& v) const - { - v = *this; - return v; - } - - template < - typename T, std::size_t N, - typename Array = T (&)[N], - detail::enable_if_t < - detail::has_from_json::value, int > = 0 > - Array get_to(T (&v)[N]) const - noexcept(noexcept(JSONSerializer::from_json( - std::declval(), v))) - { - JSONSerializer::from_json(*this, v); - return v; - } - - - /*! - @brief get a pointer value (implicit) - - Implicit pointer access to the internally stored JSON value. No copies are - made. - - @warning Writing data to the pointee of the result yields an undefined - state. - - @tparam PointerType pointer type; must be a pointer to @ref array_t, @ref - object_t, @ref string_t, @ref boolean_t, @ref number_integer_t, - @ref number_unsigned_t, or @ref number_float_t. Enforced by a static - assertion. - - @return pointer to the internally stored JSON value if the requested - pointer type @a PointerType fits to the JSON value; `nullptr` otherwise - - @complexity Constant. - - @liveexample{The example below shows how pointers to internal values of a - JSON value can be requested. Note that no type conversions are made and a - `nullptr` is returned if the value and the requested pointer type does not - match.,get_ptr} - - @since version 1.0.0 - */ - template::value, int>::type = 0> - auto get_ptr() noexcept -> decltype(std::declval().get_impl_ptr(std::declval())) - { - // delegate the call to get_impl_ptr<>() - return get_impl_ptr(static_cast(nullptr)); - } - - /*! - @brief get a pointer value (implicit) - @copydoc get_ptr() - */ - template < typename PointerType, typename std::enable_if < - std::is_pointer::value&& - std::is_const::type>::value, int >::type = 0 > - constexpr auto get_ptr() const noexcept -> decltype(std::declval().get_impl_ptr(std::declval())) - { - // delegate the call to get_impl_ptr<>() const - return get_impl_ptr(static_cast(nullptr)); - } - - /*! - @brief get a pointer value (explicit) - - Explicit pointer access to the internally stored JSON value. No copies are - made. - - @warning The pointer becomes invalid if the underlying JSON object - changes. - - @tparam PointerType pointer type; must be a pointer to @ref array_t, @ref - object_t, @ref string_t, @ref boolean_t, @ref number_integer_t, - @ref number_unsigned_t, or @ref number_float_t. - - @return pointer to the internally stored JSON value if the requested - pointer type @a PointerType fits to the JSON value; `nullptr` otherwise - - @complexity Constant. - - @liveexample{The example below shows how pointers to internal values of a - JSON value can be requested. Note that no type conversions are made and a - `nullptr` is returned if the value and the requested pointer type does not - match.,get__PointerType} - - @sa @ref get_ptr() for explicit pointer-member access - - @since version 1.0.0 - */ - template::value, int>::type = 0> - auto get() noexcept -> decltype(std::declval().template get_ptr()) - { - // delegate the call to get_ptr - return get_ptr(); - } - - /*! - @brief get a pointer value (explicit) - @copydoc get() - */ - template::value, int>::type = 0> - constexpr auto get() const noexcept -> decltype(std::declval().template get_ptr()) - { - // delegate the call to get_ptr - return get_ptr(); - } - - /*! - @brief get a reference value (implicit) - - Implicit reference access to the internally stored JSON value. No copies - are made. - - @warning Writing data to the referee of the result yields an undefined - state. - - @tparam ReferenceType reference type; must be a reference to @ref array_t, - @ref object_t, @ref string_t, @ref boolean_t, @ref number_integer_t, or - @ref number_float_t. Enforced by static assertion. - - @return reference to the internally stored JSON value if the requested - reference type @a ReferenceType fits to the JSON value; throws - type_error.303 otherwise - - @throw type_error.303 in case passed type @a ReferenceType is incompatible - with the stored JSON value; see example below - - @complexity Constant. - - @liveexample{The example shows several calls to `get_ref()`.,get_ref} - - @since version 1.1.0 - */ - template::value, int>::type = 0> - ReferenceType get_ref() - { - // delegate call to get_ref_impl - return get_ref_impl(*this); - } - - /*! - @brief get a reference value (implicit) - @copydoc get_ref() - */ - template < typename ReferenceType, typename std::enable_if < - std::is_reference::value&& - std::is_const::type>::value, int >::type = 0 > - ReferenceType get_ref() const - { - // delegate call to get_ref_impl - return get_ref_impl(*this); - } - - /*! - @brief get a value (implicit) - - Implicit type conversion between the JSON value and a compatible value. - The call is realized by calling @ref get() const. - - @tparam ValueType non-pointer type compatible to the JSON value, for - instance `int` for JSON integer numbers, `bool` for JSON booleans, or - `std::vector` types for JSON arrays. The character type of @ref string_t - as well as an initializer list of this type is excluded to avoid - ambiguities as these types implicitly convert to `std::string`. - - @return copy of the JSON value, converted to type @a ValueType - - @throw type_error.302 in case passed type @a ValueType is incompatible - to the JSON value type (e.g., the JSON value is of type boolean, but a - string is requested); see example below - - @complexity Linear in the size of the JSON value. - - @liveexample{The example below shows several conversions from JSON values - to other types. There a few things to note: (1) Floating-point numbers can - be converted to integers\, (2) A JSON array can be converted to a standard - `std::vector`\, (3) A JSON object can be converted to C++ - associative containers such as `std::unordered_map`.,operator__ValueType} - - @since version 1.0.0 - */ - template < typename ValueType, typename std::enable_if < - !std::is_pointer::value&& - !std::is_same>::value&& - !std::is_same::value&& - !detail::is_basic_json::value - && !std::is_same>::value -#if defined(JSON_HAS_CPP_17) && (defined(__GNUC__) || (defined(_MSC_VER) && _MSC_VER >= 1910 && _MSC_VER <= 1914)) - && !std::is_same::value -#endif - && detail::is_detected::value - , int >::type = 0 > - JSON_EXPLICIT operator ValueType() const - { - // delegate the call to get<>() const - return get(); - } - - /*! - @return reference to the binary value - - @throw type_error.302 if the value is not binary - - @sa @ref is_binary() to check if the value is binary - - @since version 3.8.0 - */ - binary_t& get_binary() - { - if (!is_binary()) - { - JSON_THROW(type_error::create(302, "type must be binary, but is " + std::string(type_name()))); - } - - return *get_ptr(); - } - - /// @copydoc get_binary() - const binary_t& get_binary() const - { - if (!is_binary()) - { - JSON_THROW(type_error::create(302, "type must be binary, but is " + std::string(type_name()))); - } - - return *get_ptr(); - } - - /// @} - - - //////////////////// - // element access // - //////////////////// - - /// @name element access - /// Access to the JSON value. - /// @{ - - /*! - @brief access specified array element with bounds checking - - Returns a reference to the element at specified location @a idx, with - bounds checking. - - @param[in] idx index of the element to access - - @return reference to the element at index @a idx - - @throw type_error.304 if the JSON value is not an array; in this case, - calling `at` with an index makes no sense. See example below. - @throw out_of_range.401 if the index @a idx is out of range of the array; - that is, `idx >= size()`. See example below. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes in the JSON value. - - @complexity Constant. - - @since version 1.0.0 - - @liveexample{The example below shows how array elements can be read and - written using `at()`. It also demonstrates the different exceptions that - can be thrown.,at__size_type} - */ - reference at(size_type idx) - { - // at only works for arrays - if (JSON_HEDLEY_LIKELY(is_array())) - { - JSON_TRY - { - return m_value.array->at(idx); - } - JSON_CATCH (std::out_of_range&) - { - // create better exception explanation - JSON_THROW(out_of_range::create(401, "array index " + std::to_string(idx) + " is out of range")); - } - } - else - { - JSON_THROW(type_error::create(304, "cannot use at() with " + std::string(type_name()))); - } - } - - /*! - @brief access specified array element with bounds checking - - Returns a const reference to the element at specified location @a idx, - with bounds checking. - - @param[in] idx index of the element to access - - @return const reference to the element at index @a idx - - @throw type_error.304 if the JSON value is not an array; in this case, - calling `at` with an index makes no sense. See example below. - @throw out_of_range.401 if the index @a idx is out of range of the array; - that is, `idx >= size()`. See example below. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes in the JSON value. - - @complexity Constant. - - @since version 1.0.0 - - @liveexample{The example below shows how array elements can be read using - `at()`. It also demonstrates the different exceptions that can be thrown., - at__size_type_const} - */ - const_reference at(size_type idx) const - { - // at only works for arrays - if (JSON_HEDLEY_LIKELY(is_array())) - { - JSON_TRY - { - return m_value.array->at(idx); - } - JSON_CATCH (std::out_of_range&) - { - // create better exception explanation - JSON_THROW(out_of_range::create(401, "array index " + std::to_string(idx) + " is out of range")); - } - } - else - { - JSON_THROW(type_error::create(304, "cannot use at() with " + std::string(type_name()))); - } - } - - /*! - @brief access specified object element with bounds checking - - Returns a reference to the element at with specified key @a key, with - bounds checking. - - @param[in] key key of the element to access - - @return reference to the element at key @a key - - @throw type_error.304 if the JSON value is not an object; in this case, - calling `at` with a key makes no sense. See example below. - @throw out_of_range.403 if the key @a key is is not stored in the object; - that is, `find(key) == end()`. See example below. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes in the JSON value. - - @complexity Logarithmic in the size of the container. - - @sa @ref operator[](const typename object_t::key_type&) for unchecked - access by reference - @sa @ref value() for access by value with a default value - - @since version 1.0.0 - - @liveexample{The example below shows how object elements can be read and - written using `at()`. It also demonstrates the different exceptions that - can be thrown.,at__object_t_key_type} - */ - reference at(const typename object_t::key_type& key) - { - // at only works for objects - if (JSON_HEDLEY_LIKELY(is_object())) - { - JSON_TRY - { - return m_value.object->at(key); - } - JSON_CATCH (std::out_of_range&) - { - // create better exception explanation - JSON_THROW(out_of_range::create(403, "key '" + key + "' not found")); - } - } - else - { - JSON_THROW(type_error::create(304, "cannot use at() with " + std::string(type_name()))); - } - } - - /*! - @brief access specified object element with bounds checking - - Returns a const reference to the element at with specified key @a key, - with bounds checking. - - @param[in] key key of the element to access - - @return const reference to the element at key @a key - - @throw type_error.304 if the JSON value is not an object; in this case, - calling `at` with a key makes no sense. See example below. - @throw out_of_range.403 if the key @a key is is not stored in the object; - that is, `find(key) == end()`. See example below. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes in the JSON value. - - @complexity Logarithmic in the size of the container. - - @sa @ref operator[](const typename object_t::key_type&) for unchecked - access by reference - @sa @ref value() for access by value with a default value - - @since version 1.0.0 - - @liveexample{The example below shows how object elements can be read using - `at()`. It also demonstrates the different exceptions that can be thrown., - at__object_t_key_type_const} - */ - const_reference at(const typename object_t::key_type& key) const - { - // at only works for objects - if (JSON_HEDLEY_LIKELY(is_object())) - { - JSON_TRY - { - return m_value.object->at(key); - } - JSON_CATCH (std::out_of_range&) - { - // create better exception explanation - JSON_THROW(out_of_range::create(403, "key '" + key + "' not found")); - } - } - else - { - JSON_THROW(type_error::create(304, "cannot use at() with " + std::string(type_name()))); - } - } - - /*! - @brief access specified array element - - Returns a reference to the element at specified location @a idx. - - @note If @a idx is beyond the range of the array (i.e., `idx >= size()`), - then the array is silently filled up with `null` values to make `idx` a - valid reference to the last stored element. - - @param[in] idx index of the element to access - - @return reference to the element at index @a idx - - @throw type_error.305 if the JSON value is not an array or null; in that - cases, using the [] operator with an index makes no sense. - - @complexity Constant if @a idx is in the range of the array. Otherwise - linear in `idx - size()`. - - @liveexample{The example below shows how array elements can be read and - written using `[]` operator. Note the addition of `null` - values.,operatorarray__size_type} - - @since version 1.0.0 - */ - reference operator[](size_type idx) - { - // implicitly convert null value to an empty array - if (is_null()) - { - m_type = value_t::array; - m_value.array = create(); - assert_invariant(); - } - - // operator[] only works for arrays - if (JSON_HEDLEY_LIKELY(is_array())) - { - // fill up array with null values if given idx is outside range - if (idx >= m_value.array->size()) - { - m_value.array->insert(m_value.array->end(), - idx - m_value.array->size() + 1, - basic_json()); - } - - return m_value.array->operator[](idx); - } - - JSON_THROW(type_error::create(305, "cannot use operator[] with a numeric argument with " + std::string(type_name()))); - } - - /*! - @brief access specified array element - - Returns a const reference to the element at specified location @a idx. - - @param[in] idx index of the element to access - - @return const reference to the element at index @a idx - - @throw type_error.305 if the JSON value is not an array; in that case, - using the [] operator with an index makes no sense. - - @complexity Constant. - - @liveexample{The example below shows how array elements can be read using - the `[]` operator.,operatorarray__size_type_const} - - @since version 1.0.0 - */ - const_reference operator[](size_type idx) const - { - // const operator[] only works for arrays - if (JSON_HEDLEY_LIKELY(is_array())) - { - return m_value.array->operator[](idx); - } - - JSON_THROW(type_error::create(305, "cannot use operator[] with a numeric argument with " + std::string(type_name()))); - } - - /*! - @brief access specified object element - - Returns a reference to the element at with specified key @a key. - - @note If @a key is not found in the object, then it is silently added to - the object and filled with a `null` value to make `key` a valid reference. - In case the value was `null` before, it is converted to an object. - - @param[in] key key of the element to access - - @return reference to the element at key @a key - - @throw type_error.305 if the JSON value is not an object or null; in that - cases, using the [] operator with a key makes no sense. - - @complexity Logarithmic in the size of the container. - - @liveexample{The example below shows how object elements can be read and - written using the `[]` operator.,operatorarray__key_type} - - @sa @ref at(const typename object_t::key_type&) for access by reference - with range checking - @sa @ref value() for access by value with a default value - - @since version 1.0.0 - */ - reference operator[](const typename object_t::key_type& key) - { - // implicitly convert null value to an empty object - if (is_null()) - { - m_type = value_t::object; - m_value.object = create(); - assert_invariant(); - } - - // operator[] only works for objects - if (JSON_HEDLEY_LIKELY(is_object())) - { - return m_value.object->operator[](key); - } - - JSON_THROW(type_error::create(305, "cannot use operator[] with a string argument with " + std::string(type_name()))); - } - - /*! - @brief read-only access specified object element - - Returns a const reference to the element at with specified key @a key. No - bounds checking is performed. - - @warning If the element with key @a key does not exist, the behavior is - undefined. - - @param[in] key key of the element to access - - @return const reference to the element at key @a key - - @pre The element with key @a key must exist. **This precondition is - enforced with an assertion.** - - @throw type_error.305 if the JSON value is not an object; in that case, - using the [] operator with a key makes no sense. - - @complexity Logarithmic in the size of the container. - - @liveexample{The example below shows how object elements can be read using - the `[]` operator.,operatorarray__key_type_const} - - @sa @ref at(const typename object_t::key_type&) for access by reference - with range checking - @sa @ref value() for access by value with a default value - - @since version 1.0.0 - */ - const_reference operator[](const typename object_t::key_type& key) const - { - // const operator[] only works for objects - if (JSON_HEDLEY_LIKELY(is_object())) - { - JSON_ASSERT(m_value.object->find(key) != m_value.object->end()); - return m_value.object->find(key)->second; - } - - JSON_THROW(type_error::create(305, "cannot use operator[] with a string argument with " + std::string(type_name()))); - } - - /*! - @brief access specified object element - - Returns a reference to the element at with specified key @a key. - - @note If @a key is not found in the object, then it is silently added to - the object and filled with a `null` value to make `key` a valid reference. - In case the value was `null` before, it is converted to an object. - - @param[in] key key of the element to access - - @return reference to the element at key @a key - - @throw type_error.305 if the JSON value is not an object or null; in that - cases, using the [] operator with a key makes no sense. - - @complexity Logarithmic in the size of the container. - - @liveexample{The example below shows how object elements can be read and - written using the `[]` operator.,operatorarray__key_type} - - @sa @ref at(const typename object_t::key_type&) for access by reference - with range checking - @sa @ref value() for access by value with a default value - - @since version 1.1.0 - */ - template - JSON_HEDLEY_NON_NULL(2) - reference operator[](T* key) - { - // implicitly convert null to object - if (is_null()) - { - m_type = value_t::object; - m_value = value_t::object; - assert_invariant(); - } - - // at only works for objects - if (JSON_HEDLEY_LIKELY(is_object())) - { - return m_value.object->operator[](key); - } - - JSON_THROW(type_error::create(305, "cannot use operator[] with a string argument with " + std::string(type_name()))); - } - - /*! - @brief read-only access specified object element - - Returns a const reference to the element at with specified key @a key. No - bounds checking is performed. - - @warning If the element with key @a key does not exist, the behavior is - undefined. - - @param[in] key key of the element to access - - @return const reference to the element at key @a key - - @pre The element with key @a key must exist. **This precondition is - enforced with an assertion.** - - @throw type_error.305 if the JSON value is not an object; in that case, - using the [] operator with a key makes no sense. - - @complexity Logarithmic in the size of the container. - - @liveexample{The example below shows how object elements can be read using - the `[]` operator.,operatorarray__key_type_const} - - @sa @ref at(const typename object_t::key_type&) for access by reference - with range checking - @sa @ref value() for access by value with a default value - - @since version 1.1.0 - */ - template - JSON_HEDLEY_NON_NULL(2) - const_reference operator[](T* key) const - { - // at only works for objects - if (JSON_HEDLEY_LIKELY(is_object())) - { - JSON_ASSERT(m_value.object->find(key) != m_value.object->end()); - return m_value.object->find(key)->second; - } - - JSON_THROW(type_error::create(305, "cannot use operator[] with a string argument with " + std::string(type_name()))); - } - - /*! - @brief access specified object element with default value - - Returns either a copy of an object's element at the specified key @a key - or a given default value if no element with key @a key exists. - - The function is basically equivalent to executing - @code {.cpp} - try { - return at(key); - } catch(out_of_range) { - return default_value; - } - @endcode - - @note Unlike @ref at(const typename object_t::key_type&), this function - does not throw if the given key @a key was not found. - - @note Unlike @ref operator[](const typename object_t::key_type& key), this - function does not implicitly add an element to the position defined by @a - key. This function is furthermore also applicable to const objects. - - @param[in] key key of the element to access - @param[in] default_value the value to return if @a key is not found - - @tparam ValueType type compatible to JSON values, for instance `int` for - JSON integer numbers, `bool` for JSON booleans, or `std::vector` types for - JSON arrays. Note the type of the expected value at @a key and the default - value @a default_value must be compatible. - - @return copy of the element at key @a key or @a default_value if @a key - is not found - - @throw type_error.302 if @a default_value does not match the type of the - value at @a key - @throw type_error.306 if the JSON value is not an object; in that case, - using `value()` with a key makes no sense. - - @complexity Logarithmic in the size of the container. - - @liveexample{The example below shows how object elements can be queried - with a default value.,basic_json__value} - - @sa @ref at(const typename object_t::key_type&) for access by reference - with range checking - @sa @ref operator[](const typename object_t::key_type&) for unchecked - access by reference - - @since version 1.0.0 - */ - // using std::is_convertible in a std::enable_if will fail when using explicit conversions - template < class ValueType, typename std::enable_if < - detail::is_getable::value - && !std::is_same::value, int >::type = 0 > - ValueType value(const typename object_t::key_type& key, const ValueType& default_value) const - { - // at only works for objects - if (JSON_HEDLEY_LIKELY(is_object())) - { - // if key is found, return value and given default value otherwise - const auto it = find(key); - if (it != end()) - { - return it->template get(); - } - - return default_value; - } - - JSON_THROW(type_error::create(306, "cannot use value() with " + std::string(type_name()))); - } - - /*! - @brief overload for a default value of type const char* - @copydoc basic_json::value(const typename object_t::key_type&, const ValueType&) const - */ - string_t value(const typename object_t::key_type& key, const char* default_value) const - { - return value(key, string_t(default_value)); - } - - /*! - @brief access specified object element via JSON Pointer with default value - - Returns either a copy of an object's element at the specified key @a key - or a given default value if no element with key @a key exists. - - The function is basically equivalent to executing - @code {.cpp} - try { - return at(ptr); - } catch(out_of_range) { - return default_value; - } - @endcode - - @note Unlike @ref at(const json_pointer&), this function does not throw - if the given key @a key was not found. - - @param[in] ptr a JSON pointer to the element to access - @param[in] default_value the value to return if @a ptr found no value - - @tparam ValueType type compatible to JSON values, for instance `int` for - JSON integer numbers, `bool` for JSON booleans, or `std::vector` types for - JSON arrays. Note the type of the expected value at @a key and the default - value @a default_value must be compatible. - - @return copy of the element at key @a key or @a default_value if @a key - is not found - - @throw type_error.302 if @a default_value does not match the type of the - value at @a ptr - @throw type_error.306 if the JSON value is not an object; in that case, - using `value()` with a key makes no sense. - - @complexity Logarithmic in the size of the container. - - @liveexample{The example below shows how object elements can be queried - with a default value.,basic_json__value_ptr} - - @sa @ref operator[](const json_pointer&) for unchecked access by reference - - @since version 2.0.2 - */ - template::value, int>::type = 0> - ValueType value(const json_pointer& ptr, const ValueType& default_value) const - { - // at only works for objects - if (JSON_HEDLEY_LIKELY(is_object())) - { - // if pointer resolves a value, return it or use default value - JSON_TRY - { - return ptr.get_checked(this).template get(); - } - JSON_INTERNAL_CATCH (out_of_range&) - { - return default_value; - } - } - - JSON_THROW(type_error::create(306, "cannot use value() with " + std::string(type_name()))); - } - - /*! - @brief overload for a default value of type const char* - @copydoc basic_json::value(const json_pointer&, ValueType) const - */ - JSON_HEDLEY_NON_NULL(3) - string_t value(const json_pointer& ptr, const char* default_value) const - { - return value(ptr, string_t(default_value)); - } - - /*! - @brief access the first element - - Returns a reference to the first element in the container. For a JSON - container `c`, the expression `c.front()` is equivalent to `*c.begin()`. - - @return In case of a structured type (array or object), a reference to the - first element is returned. In case of number, string, boolean, or binary - values, a reference to the value is returned. - - @complexity Constant. - - @pre The JSON value must not be `null` (would throw `std::out_of_range`) - or an empty array or object (undefined behavior, **guarded by - assertions**). - @post The JSON value remains unchanged. - - @throw invalid_iterator.214 when called on `null` value - - @liveexample{The following code shows an example for `front()`.,front} - - @sa @ref back() -- access the last element - - @since version 1.0.0 - */ - reference front() - { - return *begin(); - } - - /*! - @copydoc basic_json::front() - */ - const_reference front() const - { - return *cbegin(); - } - - /*! - @brief access the last element - - Returns a reference to the last element in the container. For a JSON - container `c`, the expression `c.back()` is equivalent to - @code {.cpp} - auto tmp = c.end(); - --tmp; - return *tmp; - @endcode - - @return In case of a structured type (array or object), a reference to the - last element is returned. In case of number, string, boolean, or binary - values, a reference to the value is returned. - - @complexity Constant. - - @pre The JSON value must not be `null` (would throw `std::out_of_range`) - or an empty array or object (undefined behavior, **guarded by - assertions**). - @post The JSON value remains unchanged. - - @throw invalid_iterator.214 when called on a `null` value. See example - below. - - @liveexample{The following code shows an example for `back()`.,back} - - @sa @ref front() -- access the first element - - @since version 1.0.0 - */ - reference back() - { - auto tmp = end(); - --tmp; - return *tmp; - } - - /*! - @copydoc basic_json::back() - */ - const_reference back() const - { - auto tmp = cend(); - --tmp; - return *tmp; - } - - /*! - @brief remove element given an iterator - - Removes the element specified by iterator @a pos. The iterator @a pos must - be valid and dereferenceable. Thus the `end()` iterator (which is valid, - but is not dereferenceable) cannot be used as a value for @a pos. - - If called on a primitive type other than `null`, the resulting JSON value - will be `null`. - - @param[in] pos iterator to the element to remove - @return Iterator following the last removed element. If the iterator @a - pos refers to the last element, the `end()` iterator is returned. - - @tparam IteratorType an @ref iterator or @ref const_iterator - - @post Invalidates iterators and references at or after the point of the - erase, including the `end()` iterator. - - @throw type_error.307 if called on a `null` value; example: `"cannot use - erase() with null"` - @throw invalid_iterator.202 if called on an iterator which does not belong - to the current JSON value; example: `"iterator does not fit current - value"` - @throw invalid_iterator.205 if called on a primitive type with invalid - iterator (i.e., any iterator which is not `begin()`); example: `"iterator - out of range"` - - @complexity The complexity depends on the type: - - objects: amortized constant - - arrays: linear in distance between @a pos and the end of the container - - strings and binary: linear in the length of the member - - other types: constant - - @liveexample{The example shows the result of `erase()` for different JSON - types.,erase__IteratorType} - - @sa @ref erase(IteratorType, IteratorType) -- removes the elements in - the given range - @sa @ref erase(const typename object_t::key_type&) -- removes the element - from an object at the given key - @sa @ref erase(const size_type) -- removes the element from an array at - the given index - - @since version 1.0.0 - */ - template < class IteratorType, typename std::enable_if < - std::is_same::value || - std::is_same::value, int >::type - = 0 > - IteratorType erase(IteratorType pos) - { - // make sure iterator fits the current value - if (JSON_HEDLEY_UNLIKELY(this != pos.m_object)) - { - JSON_THROW(invalid_iterator::create(202, "iterator does not fit current value")); - } - - IteratorType result = end(); - - switch (m_type) - { - case value_t::boolean: - case value_t::number_float: - case value_t::number_integer: - case value_t::number_unsigned: - case value_t::string: - case value_t::binary: - { - if (JSON_HEDLEY_UNLIKELY(!pos.m_it.primitive_iterator.is_begin())) - { - JSON_THROW(invalid_iterator::create(205, "iterator out of range")); - } - - if (is_string()) - { - AllocatorType alloc; - std::allocator_traits::destroy(alloc, m_value.string); - std::allocator_traits::deallocate(alloc, m_value.string, 1); - m_value.string = nullptr; - } - else if (is_binary()) - { - AllocatorType alloc; - std::allocator_traits::destroy(alloc, m_value.binary); - std::allocator_traits::deallocate(alloc, m_value.binary, 1); - m_value.binary = nullptr; - } - - m_type = value_t::null; - assert_invariant(); - break; - } - - case value_t::object: - { - result.m_it.object_iterator = m_value.object->erase(pos.m_it.object_iterator); - break; - } - - case value_t::array: - { - result.m_it.array_iterator = m_value.array->erase(pos.m_it.array_iterator); - break; - } - - default: - JSON_THROW(type_error::create(307, "cannot use erase() with " + std::string(type_name()))); - } - - return result; - } - - /*! - @brief remove elements given an iterator range - - Removes the element specified by the range `[first; last)`. The iterator - @a first does not need to be dereferenceable if `first == last`: erasing - an empty range is a no-op. - - If called on a primitive type other than `null`, the resulting JSON value - will be `null`. - - @param[in] first iterator to the beginning of the range to remove - @param[in] last iterator past the end of the range to remove - @return Iterator following the last removed element. If the iterator @a - second refers to the last element, the `end()` iterator is returned. - - @tparam IteratorType an @ref iterator or @ref const_iterator - - @post Invalidates iterators and references at or after the point of the - erase, including the `end()` iterator. - - @throw type_error.307 if called on a `null` value; example: `"cannot use - erase() with null"` - @throw invalid_iterator.203 if called on iterators which does not belong - to the current JSON value; example: `"iterators do not fit current value"` - @throw invalid_iterator.204 if called on a primitive type with invalid - iterators (i.e., if `first != begin()` and `last != end()`); example: - `"iterators out of range"` - - @complexity The complexity depends on the type: - - objects: `log(size()) + std::distance(first, last)` - - arrays: linear in the distance between @a first and @a last, plus linear - in the distance between @a last and end of the container - - strings and binary: linear in the length of the member - - other types: constant - - @liveexample{The example shows the result of `erase()` for different JSON - types.,erase__IteratorType_IteratorType} - - @sa @ref erase(IteratorType) -- removes the element at a given position - @sa @ref erase(const typename object_t::key_type&) -- removes the element - from an object at the given key - @sa @ref erase(const size_type) -- removes the element from an array at - the given index - - @since version 1.0.0 - */ - template < class IteratorType, typename std::enable_if < - std::is_same::value || - std::is_same::value, int >::type - = 0 > - IteratorType erase(IteratorType first, IteratorType last) - { - // make sure iterator fits the current value - if (JSON_HEDLEY_UNLIKELY(this != first.m_object || this != last.m_object)) - { - JSON_THROW(invalid_iterator::create(203, "iterators do not fit current value")); - } - - IteratorType result = end(); - - switch (m_type) - { - case value_t::boolean: - case value_t::number_float: - case value_t::number_integer: - case value_t::number_unsigned: - case value_t::string: - case value_t::binary: - { - if (JSON_HEDLEY_LIKELY(!first.m_it.primitive_iterator.is_begin() - || !last.m_it.primitive_iterator.is_end())) - { - JSON_THROW(invalid_iterator::create(204, "iterators out of range")); - } - - if (is_string()) - { - AllocatorType alloc; - std::allocator_traits::destroy(alloc, m_value.string); - std::allocator_traits::deallocate(alloc, m_value.string, 1); - m_value.string = nullptr; - } - else if (is_binary()) - { - AllocatorType alloc; - std::allocator_traits::destroy(alloc, m_value.binary); - std::allocator_traits::deallocate(alloc, m_value.binary, 1); - m_value.binary = nullptr; - } - - m_type = value_t::null; - assert_invariant(); - break; - } - - case value_t::object: - { - result.m_it.object_iterator = m_value.object->erase(first.m_it.object_iterator, - last.m_it.object_iterator); - break; - } - - case value_t::array: - { - result.m_it.array_iterator = m_value.array->erase(first.m_it.array_iterator, - last.m_it.array_iterator); - break; - } - - default: - JSON_THROW(type_error::create(307, "cannot use erase() with " + std::string(type_name()))); - } - - return result; - } - - /*! - @brief remove element from a JSON object given a key - - Removes elements from a JSON object with the key value @a key. - - @param[in] key value of the elements to remove - - @return Number of elements removed. If @a ObjectType is the default - `std::map` type, the return value will always be `0` (@a key was not - found) or `1` (@a key was found). - - @post References and iterators to the erased elements are invalidated. - Other references and iterators are not affected. - - @throw type_error.307 when called on a type other than JSON object; - example: `"cannot use erase() with null"` - - @complexity `log(size()) + count(key)` - - @liveexample{The example shows the effect of `erase()`.,erase__key_type} - - @sa @ref erase(IteratorType) -- removes the element at a given position - @sa @ref erase(IteratorType, IteratorType) -- removes the elements in - the given range - @sa @ref erase(const size_type) -- removes the element from an array at - the given index - - @since version 1.0.0 - */ - size_type erase(const typename object_t::key_type& key) - { - // this erase only works for objects - if (JSON_HEDLEY_LIKELY(is_object())) - { - return m_value.object->erase(key); - } - - JSON_THROW(type_error::create(307, "cannot use erase() with " + std::string(type_name()))); - } - - /*! - @brief remove element from a JSON array given an index - - Removes element from a JSON array at the index @a idx. - - @param[in] idx index of the element to remove - - @throw type_error.307 when called on a type other than JSON object; - example: `"cannot use erase() with null"` - @throw out_of_range.401 when `idx >= size()`; example: `"array index 17 - is out of range"` - - @complexity Linear in distance between @a idx and the end of the container. - - @liveexample{The example shows the effect of `erase()`.,erase__size_type} - - @sa @ref erase(IteratorType) -- removes the element at a given position - @sa @ref erase(IteratorType, IteratorType) -- removes the elements in - the given range - @sa @ref erase(const typename object_t::key_type&) -- removes the element - from an object at the given key - - @since version 1.0.0 - */ - void erase(const size_type idx) - { - // this erase only works for arrays - if (JSON_HEDLEY_LIKELY(is_array())) - { - if (JSON_HEDLEY_UNLIKELY(idx >= size())) - { - JSON_THROW(out_of_range::create(401, "array index " + std::to_string(idx) + " is out of range")); - } - - m_value.array->erase(m_value.array->begin() + static_cast(idx)); - } - else - { - JSON_THROW(type_error::create(307, "cannot use erase() with " + std::string(type_name()))); - } - } - - /// @} - - - //////////// - // lookup // - //////////// - - /// @name lookup - /// @{ - - /*! - @brief find an element in a JSON object - - Finds an element in a JSON object with key equivalent to @a key. If the - element is not found or the JSON value is not an object, end() is - returned. - - @note This method always returns @ref end() when executed on a JSON type - that is not an object. - - @param[in] key key value of the element to search for. - - @return Iterator to an element with key equivalent to @a key. If no such - element is found or the JSON value is not an object, past-the-end (see - @ref end()) iterator is returned. - - @complexity Logarithmic in the size of the JSON object. - - @liveexample{The example shows how `find()` is used.,find__key_type} - - @sa @ref contains(KeyT&&) const -- checks whether a key exists - - @since version 1.0.0 - */ - template - iterator find(KeyT&& key) - { - auto result = end(); - - if (is_object()) - { - result.m_it.object_iterator = m_value.object->find(std::forward(key)); - } - - return result; - } - - /*! - @brief find an element in a JSON object - @copydoc find(KeyT&&) - */ - template - const_iterator find(KeyT&& key) const - { - auto result = cend(); - - if (is_object()) - { - result.m_it.object_iterator = m_value.object->find(std::forward(key)); - } - - return result; - } - - /*! - @brief returns the number of occurrences of a key in a JSON object - - Returns the number of elements with key @a key. If ObjectType is the - default `std::map` type, the return value will always be `0` (@a key was - not found) or `1` (@a key was found). - - @note This method always returns `0` when executed on a JSON type that is - not an object. - - @param[in] key key value of the element to count - - @return Number of elements with key @a key. If the JSON value is not an - object, the return value will be `0`. - - @complexity Logarithmic in the size of the JSON object. - - @liveexample{The example shows how `count()` is used.,count} - - @since version 1.0.0 - */ - template - size_type count(KeyT&& key) const - { - // return 0 for all nonobject types - return is_object() ? m_value.object->count(std::forward(key)) : 0; - } - - /*! - @brief check the existence of an element in a JSON object - - Check whether an element exists in a JSON object with key equivalent to - @a key. If the element is not found or the JSON value is not an object, - false is returned. - - @note This method always returns false when executed on a JSON type - that is not an object. - - @param[in] key key value to check its existence. - - @return true if an element with specified @a key exists. If no such - element with such key is found or the JSON value is not an object, - false is returned. - - @complexity Logarithmic in the size of the JSON object. - - @liveexample{The following code shows an example for `contains()`.,contains} - - @sa @ref find(KeyT&&) -- returns an iterator to an object element - @sa @ref contains(const json_pointer&) const -- checks the existence for a JSON pointer - - @since version 3.6.0 - */ - template < typename KeyT, typename std::enable_if < - !std::is_same::type, json_pointer>::value, int >::type = 0 > - bool contains(KeyT && key) const - { - return is_object() && m_value.object->find(std::forward(key)) != m_value.object->end(); - } - - /*! - @brief check the existence of an element in a JSON object given a JSON pointer - - Check whether the given JSON pointer @a ptr can be resolved in the current - JSON value. - - @note This method can be executed on any JSON value type. - - @param[in] ptr JSON pointer to check its existence. - - @return true if the JSON pointer can be resolved to a stored value, false - otherwise. - - @post If `j.contains(ptr)` returns true, it is safe to call `j[ptr]`. - - @throw parse_error.106 if an array index begins with '0' - @throw parse_error.109 if an array index was not a number - - @complexity Logarithmic in the size of the JSON object. - - @liveexample{The following code shows an example for `contains()`.,contains_json_pointer} - - @sa @ref contains(KeyT &&) const -- checks the existence of a key - - @since version 3.7.0 - */ - bool contains(const json_pointer& ptr) const - { - return ptr.contains(this); - } - - /// @} - - - /////////////// - // iterators // - /////////////// - - /// @name iterators - /// @{ - - /*! - @brief returns an iterator to the first element - - Returns an iterator to the first element. - - @image html range-begin-end.svg "Illustration from cppreference.com" - - @return iterator to the first element - - @complexity Constant. - - @requirement This function helps `basic_json` satisfying the - [Container](https://en.cppreference.com/w/cpp/named_req/Container) - requirements: - - The complexity is constant. - - @liveexample{The following code shows an example for `begin()`.,begin} - - @sa @ref cbegin() -- returns a const iterator to the beginning - @sa @ref end() -- returns an iterator to the end - @sa @ref cend() -- returns a const iterator to the end - - @since version 1.0.0 - */ - iterator begin() noexcept - { - iterator result(this); - result.set_begin(); - return result; - } - - /*! - @copydoc basic_json::cbegin() - */ - const_iterator begin() const noexcept - { - return cbegin(); - } - - /*! - @brief returns a const iterator to the first element - - Returns a const iterator to the first element. - - @image html range-begin-end.svg "Illustration from cppreference.com" - - @return const iterator to the first element - - @complexity Constant. - - @requirement This function helps `basic_json` satisfying the - [Container](https://en.cppreference.com/w/cpp/named_req/Container) - requirements: - - The complexity is constant. - - Has the semantics of `const_cast(*this).begin()`. - - @liveexample{The following code shows an example for `cbegin()`.,cbegin} - - @sa @ref begin() -- returns an iterator to the beginning - @sa @ref end() -- returns an iterator to the end - @sa @ref cend() -- returns a const iterator to the end - - @since version 1.0.0 - */ - const_iterator cbegin() const noexcept - { - const_iterator result(this); - result.set_begin(); - return result; - } - - /*! - @brief returns an iterator to one past the last element - - Returns an iterator to one past the last element. - - @image html range-begin-end.svg "Illustration from cppreference.com" - - @return iterator one past the last element - - @complexity Constant. - - @requirement This function helps `basic_json` satisfying the - [Container](https://en.cppreference.com/w/cpp/named_req/Container) - requirements: - - The complexity is constant. - - @liveexample{The following code shows an example for `end()`.,end} - - @sa @ref cend() -- returns a const iterator to the end - @sa @ref begin() -- returns an iterator to the beginning - @sa @ref cbegin() -- returns a const iterator to the beginning - - @since version 1.0.0 - */ - iterator end() noexcept - { - iterator result(this); - result.set_end(); - return result; - } - - /*! - @copydoc basic_json::cend() - */ - const_iterator end() const noexcept - { - return cend(); - } - - /*! - @brief returns a const iterator to one past the last element - - Returns a const iterator to one past the last element. - - @image html range-begin-end.svg "Illustration from cppreference.com" - - @return const iterator one past the last element - - @complexity Constant. - - @requirement This function helps `basic_json` satisfying the - [Container](https://en.cppreference.com/w/cpp/named_req/Container) - requirements: - - The complexity is constant. - - Has the semantics of `const_cast(*this).end()`. - - @liveexample{The following code shows an example for `cend()`.,cend} - - @sa @ref end() -- returns an iterator to the end - @sa @ref begin() -- returns an iterator to the beginning - @sa @ref cbegin() -- returns a const iterator to the beginning - - @since version 1.0.0 - */ - const_iterator cend() const noexcept - { - const_iterator result(this); - result.set_end(); - return result; - } - - /*! - @brief returns an iterator to the reverse-beginning - - Returns an iterator to the reverse-beginning; that is, the last element. - - @image html range-rbegin-rend.svg "Illustration from cppreference.com" - - @complexity Constant. - - @requirement This function helps `basic_json` satisfying the - [ReversibleContainer](https://en.cppreference.com/w/cpp/named_req/ReversibleContainer) - requirements: - - The complexity is constant. - - Has the semantics of `reverse_iterator(end())`. - - @liveexample{The following code shows an example for `rbegin()`.,rbegin} - - @sa @ref crbegin() -- returns a const reverse iterator to the beginning - @sa @ref rend() -- returns a reverse iterator to the end - @sa @ref crend() -- returns a const reverse iterator to the end - - @since version 1.0.0 - */ - reverse_iterator rbegin() noexcept - { - return reverse_iterator(end()); - } - - /*! - @copydoc basic_json::crbegin() - */ - const_reverse_iterator rbegin() const noexcept - { - return crbegin(); - } - - /*! - @brief returns an iterator to the reverse-end - - Returns an iterator to the reverse-end; that is, one before the first - element. - - @image html range-rbegin-rend.svg "Illustration from cppreference.com" - - @complexity Constant. - - @requirement This function helps `basic_json` satisfying the - [ReversibleContainer](https://en.cppreference.com/w/cpp/named_req/ReversibleContainer) - requirements: - - The complexity is constant. - - Has the semantics of `reverse_iterator(begin())`. - - @liveexample{The following code shows an example for `rend()`.,rend} - - @sa @ref crend() -- returns a const reverse iterator to the end - @sa @ref rbegin() -- returns a reverse iterator to the beginning - @sa @ref crbegin() -- returns a const reverse iterator to the beginning - - @since version 1.0.0 - */ - reverse_iterator rend() noexcept - { - return reverse_iterator(begin()); - } - - /*! - @copydoc basic_json::crend() - */ - const_reverse_iterator rend() const noexcept - { - return crend(); - } - - /*! - @brief returns a const reverse iterator to the last element - - Returns a const iterator to the reverse-beginning; that is, the last - element. - - @image html range-rbegin-rend.svg "Illustration from cppreference.com" - - @complexity Constant. - - @requirement This function helps `basic_json` satisfying the - [ReversibleContainer](https://en.cppreference.com/w/cpp/named_req/ReversibleContainer) - requirements: - - The complexity is constant. - - Has the semantics of `const_cast(*this).rbegin()`. - - @liveexample{The following code shows an example for `crbegin()`.,crbegin} - - @sa @ref rbegin() -- returns a reverse iterator to the beginning - @sa @ref rend() -- returns a reverse iterator to the end - @sa @ref crend() -- returns a const reverse iterator to the end - - @since version 1.0.0 - */ - const_reverse_iterator crbegin() const noexcept - { - return const_reverse_iterator(cend()); - } - - /*! - @brief returns a const reverse iterator to one before the first - - Returns a const reverse iterator to the reverse-end; that is, one before - the first element. - - @image html range-rbegin-rend.svg "Illustration from cppreference.com" - - @complexity Constant. - - @requirement This function helps `basic_json` satisfying the - [ReversibleContainer](https://en.cppreference.com/w/cpp/named_req/ReversibleContainer) - requirements: - - The complexity is constant. - - Has the semantics of `const_cast(*this).rend()`. - - @liveexample{The following code shows an example for `crend()`.,crend} - - @sa @ref rend() -- returns a reverse iterator to the end - @sa @ref rbegin() -- returns a reverse iterator to the beginning - @sa @ref crbegin() -- returns a const reverse iterator to the beginning - - @since version 1.0.0 - */ - const_reverse_iterator crend() const noexcept - { - return const_reverse_iterator(cbegin()); - } - - public: - /*! - @brief wrapper to access iterator member functions in range-based for - - This function allows to access @ref iterator::key() and @ref - iterator::value() during range-based for loops. In these loops, a - reference to the JSON values is returned, so there is no access to the - underlying iterator. - - For loop without iterator_wrapper: - - @code{cpp} - for (auto it = j_object.begin(); it != j_object.end(); ++it) - { - std::cout << "key: " << it.key() << ", value:" << it.value() << '\n'; - } - @endcode - - Range-based for loop without iterator proxy: - - @code{cpp} - for (auto it : j_object) - { - // "it" is of type json::reference and has no key() member - std::cout << "value: " << it << '\n'; - } - @endcode - - Range-based for loop with iterator proxy: - - @code{cpp} - for (auto it : json::iterator_wrapper(j_object)) - { - std::cout << "key: " << it.key() << ", value:" << it.value() << '\n'; - } - @endcode - - @note When iterating over an array, `key()` will return the index of the - element as string (see example). - - @param[in] ref reference to a JSON value - @return iteration proxy object wrapping @a ref with an interface to use in - range-based for loops - - @liveexample{The following code shows how the wrapper is used,iterator_wrapper} - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes in the JSON value. - - @complexity Constant. - - @note The name of this function is not yet final and may change in the - future. - - @deprecated This stream operator is deprecated and will be removed in - future 4.0.0 of the library. Please use @ref items() instead; - that is, replace `json::iterator_wrapper(j)` with `j.items()`. - */ - JSON_HEDLEY_DEPRECATED_FOR(3.1.0, items()) - static iteration_proxy iterator_wrapper(reference ref) noexcept - { - return ref.items(); - } - - /*! - @copydoc iterator_wrapper(reference) - */ - JSON_HEDLEY_DEPRECATED_FOR(3.1.0, items()) - static iteration_proxy iterator_wrapper(const_reference ref) noexcept - { - return ref.items(); - } - - /*! - @brief helper to access iterator member functions in range-based for - - This function allows to access @ref iterator::key() and @ref - iterator::value() during range-based for loops. In these loops, a - reference to the JSON values is returned, so there is no access to the - underlying iterator. - - For loop without `items()` function: - - @code{cpp} - for (auto it = j_object.begin(); it != j_object.end(); ++it) - { - std::cout << "key: " << it.key() << ", value:" << it.value() << '\n'; - } - @endcode - - Range-based for loop without `items()` function: - - @code{cpp} - for (auto it : j_object) - { - // "it" is of type json::reference and has no key() member - std::cout << "value: " << it << '\n'; - } - @endcode - - Range-based for loop with `items()` function: - - @code{cpp} - for (auto& el : j_object.items()) - { - std::cout << "key: " << el.key() << ", value:" << el.value() << '\n'; - } - @endcode - - The `items()` function also allows to use - [structured bindings](https://en.cppreference.com/w/cpp/language/structured_binding) - (C++17): - - @code{cpp} - for (auto& [key, val] : j_object.items()) - { - std::cout << "key: " << key << ", value:" << val << '\n'; - } - @endcode - - @note When iterating over an array, `key()` will return the index of the - element as string (see example). For primitive types (e.g., numbers), - `key()` returns an empty string. - - @warning Using `items()` on temporary objects is dangerous. Make sure the - object's lifetime exeeds the iteration. See - for more - information. - - @return iteration proxy object wrapping @a ref with an interface to use in - range-based for loops - - @liveexample{The following code shows how the function is used.,items} - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes in the JSON value. - - @complexity Constant. - - @since version 3.1.0, structured bindings support since 3.5.0. - */ - iteration_proxy items() noexcept - { - return iteration_proxy(*this); - } - - /*! - @copydoc items() - */ - iteration_proxy items() const noexcept - { - return iteration_proxy(*this); - } - - /// @} - - - ////////////// - // capacity // - ////////////// - - /// @name capacity - /// @{ - - /*! - @brief checks whether the container is empty. - - Checks if a JSON value has no elements (i.e. whether its @ref size is `0`). - - @return The return value depends on the different types and is - defined as follows: - Value type | return value - ----------- | ------------- - null | `true` - boolean | `false` - string | `false` - number | `false` - binary | `false` - object | result of function `object_t::empty()` - array | result of function `array_t::empty()` - - @liveexample{The following code uses `empty()` to check if a JSON - object contains any elements.,empty} - - @complexity Constant, as long as @ref array_t and @ref object_t satisfy - the Container concept; that is, their `empty()` functions have constant - complexity. - - @iterators No changes. - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - - @note This function does not return whether a string stored as JSON value - is empty - it returns whether the JSON container itself is empty which is - false in the case of a string. - - @requirement This function helps `basic_json` satisfying the - [Container](https://en.cppreference.com/w/cpp/named_req/Container) - requirements: - - The complexity is constant. - - Has the semantics of `begin() == end()`. - - @sa @ref size() -- returns the number of elements - - @since version 1.0.0 - */ - bool empty() const noexcept - { - switch (m_type) - { - case value_t::null: - { - // null values are empty - return true; - } - - case value_t::array: - { - // delegate call to array_t::empty() - return m_value.array->empty(); - } - - case value_t::object: - { - // delegate call to object_t::empty() - return m_value.object->empty(); - } - - default: - { - // all other types are nonempty - return false; - } - } - } - - /*! - @brief returns the number of elements - - Returns the number of elements in a JSON value. - - @return The return value depends on the different types and is - defined as follows: - Value type | return value - ----------- | ------------- - null | `0` - boolean | `1` - string | `1` - number | `1` - binary | `1` - object | result of function object_t::size() - array | result of function array_t::size() - - @liveexample{The following code calls `size()` on the different value - types.,size} - - @complexity Constant, as long as @ref array_t and @ref object_t satisfy - the Container concept; that is, their size() functions have constant - complexity. - - @iterators No changes. - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - - @note This function does not return the length of a string stored as JSON - value - it returns the number of elements in the JSON value which is 1 in - the case of a string. - - @requirement This function helps `basic_json` satisfying the - [Container](https://en.cppreference.com/w/cpp/named_req/Container) - requirements: - - The complexity is constant. - - Has the semantics of `std::distance(begin(), end())`. - - @sa @ref empty() -- checks whether the container is empty - @sa @ref max_size() -- returns the maximal number of elements - - @since version 1.0.0 - */ - size_type size() const noexcept - { - switch (m_type) - { - case value_t::null: - { - // null values are empty - return 0; - } - - case value_t::array: - { - // delegate call to array_t::size() - return m_value.array->size(); - } - - case value_t::object: - { - // delegate call to object_t::size() - return m_value.object->size(); - } - - default: - { - // all other types have size 1 - return 1; - } - } - } - - /*! - @brief returns the maximum possible number of elements - - Returns the maximum number of elements a JSON value is able to hold due to - system or library implementation limitations, i.e. `std::distance(begin(), - end())` for the JSON value. - - @return The return value depends on the different types and is - defined as follows: - Value type | return value - ----------- | ------------- - null | `0` (same as `size()`) - boolean | `1` (same as `size()`) - string | `1` (same as `size()`) - number | `1` (same as `size()`) - binary | `1` (same as `size()`) - object | result of function `object_t::max_size()` - array | result of function `array_t::max_size()` - - @liveexample{The following code calls `max_size()` on the different value - types. Note the output is implementation specific.,max_size} - - @complexity Constant, as long as @ref array_t and @ref object_t satisfy - the Container concept; that is, their `max_size()` functions have constant - complexity. - - @iterators No changes. - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - - @requirement This function helps `basic_json` satisfying the - [Container](https://en.cppreference.com/w/cpp/named_req/Container) - requirements: - - The complexity is constant. - - Has the semantics of returning `b.size()` where `b` is the largest - possible JSON value. - - @sa @ref size() -- returns the number of elements - - @since version 1.0.0 - */ - size_type max_size() const noexcept - { - switch (m_type) - { - case value_t::array: - { - // delegate call to array_t::max_size() - return m_value.array->max_size(); - } - - case value_t::object: - { - // delegate call to object_t::max_size() - return m_value.object->max_size(); - } - - default: - { - // all other types have max_size() == size() - return size(); - } - } - } - - /// @} - - - /////////////// - // modifiers // - /////////////// - - /// @name modifiers - /// @{ - - /*! - @brief clears the contents - - Clears the content of a JSON value and resets it to the default value as - if @ref basic_json(value_t) would have been called with the current value - type from @ref type(): - - Value type | initial value - ----------- | ------------- - null | `null` - boolean | `false` - string | `""` - number | `0` - binary | An empty byte vector - object | `{}` - array | `[]` - - @post Has the same effect as calling - @code {.cpp} - *this = basic_json(type()); - @endcode - - @liveexample{The example below shows the effect of `clear()` to different - JSON types.,clear} - - @complexity Linear in the size of the JSON value. - - @iterators All iterators, pointers and references related to this container - are invalidated. - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - - @sa @ref basic_json(value_t) -- constructor that creates an object with the - same value than calling `clear()` - - @since version 1.0.0 - */ - void clear() noexcept - { - switch (m_type) - { - case value_t::number_integer: - { - m_value.number_integer = 0; - break; - } - - case value_t::number_unsigned: - { - m_value.number_unsigned = 0; - break; - } - - case value_t::number_float: - { - m_value.number_float = 0.0; - break; - } - - case value_t::boolean: - { - m_value.boolean = false; - break; - } - - case value_t::string: - { - m_value.string->clear(); - break; - } - - case value_t::binary: - { - m_value.binary->clear(); - break; - } - - case value_t::array: - { - m_value.array->clear(); - break; - } - - case value_t::object: - { - m_value.object->clear(); - break; - } - - default: - break; - } - } - - /*! - @brief add an object to an array - - Appends the given element @a val to the end of the JSON value. If the - function is called on a JSON null value, an empty array is created before - appending @a val. - - @param[in] val the value to add to the JSON array - - @throw type_error.308 when called on a type other than JSON array or - null; example: `"cannot use push_back() with number"` - - @complexity Amortized constant. - - @liveexample{The example shows how `push_back()` and `+=` can be used to - add elements to a JSON array. Note how the `null` value was silently - converted to a JSON array.,push_back} - - @since version 1.0.0 - */ - void push_back(basic_json&& val) - { - // push_back only works for null objects or arrays - if (JSON_HEDLEY_UNLIKELY(!(is_null() || is_array()))) - { - JSON_THROW(type_error::create(308, "cannot use push_back() with " + std::string(type_name()))); - } - - // transform null object into an array - if (is_null()) - { - m_type = value_t::array; - m_value = value_t::array; - assert_invariant(); - } - - // add element to array (move semantics) - m_value.array->push_back(std::move(val)); - // if val is moved from, basic_json move constructor marks it null so we do not call the destructor - } - - /*! - @brief add an object to an array - @copydoc push_back(basic_json&&) - */ - reference operator+=(basic_json&& val) - { - push_back(std::move(val)); - return *this; - } - - /*! - @brief add an object to an array - @copydoc push_back(basic_json&&) - */ - void push_back(const basic_json& val) - { - // push_back only works for null objects or arrays - if (JSON_HEDLEY_UNLIKELY(!(is_null() || is_array()))) - { - JSON_THROW(type_error::create(308, "cannot use push_back() with " + std::string(type_name()))); - } - - // transform null object into an array - if (is_null()) - { - m_type = value_t::array; - m_value = value_t::array; - assert_invariant(); - } - - // add element to array - m_value.array->push_back(val); - } - - /*! - @brief add an object to an array - @copydoc push_back(basic_json&&) - */ - reference operator+=(const basic_json& val) - { - push_back(val); - return *this; - } - - /*! - @brief add an object to an object - - Inserts the given element @a val to the JSON object. If the function is - called on a JSON null value, an empty object is created before inserting - @a val. - - @param[in] val the value to add to the JSON object - - @throw type_error.308 when called on a type other than JSON object or - null; example: `"cannot use push_back() with number"` - - @complexity Logarithmic in the size of the container, O(log(`size()`)). - - @liveexample{The example shows how `push_back()` and `+=` can be used to - add elements to a JSON object. Note how the `null` value was silently - converted to a JSON object.,push_back__object_t__value} - - @since version 1.0.0 - */ - void push_back(const typename object_t::value_type& val) - { - // push_back only works for null objects or objects - if (JSON_HEDLEY_UNLIKELY(!(is_null() || is_object()))) - { - JSON_THROW(type_error::create(308, "cannot use push_back() with " + std::string(type_name()))); - } - - // transform null object into an object - if (is_null()) - { - m_type = value_t::object; - m_value = value_t::object; - assert_invariant(); - } - - // add element to array - m_value.object->insert(val); - } - - /*! - @brief add an object to an object - @copydoc push_back(const typename object_t::value_type&) - */ - reference operator+=(const typename object_t::value_type& val) - { - push_back(val); - return *this; - } - - /*! - @brief add an object to an object - - This function allows to use `push_back` with an initializer list. In case - - 1. the current value is an object, - 2. the initializer list @a init contains only two elements, and - 3. the first element of @a init is a string, - - @a init is converted into an object element and added using - @ref push_back(const typename object_t::value_type&). Otherwise, @a init - is converted to a JSON value and added using @ref push_back(basic_json&&). - - @param[in] init an initializer list - - @complexity Linear in the size of the initializer list @a init. - - @note This function is required to resolve an ambiguous overload error, - because pairs like `{"key", "value"}` can be both interpreted as - `object_t::value_type` or `std::initializer_list`, see - https://github.com/nlohmann/json/issues/235 for more information. - - @liveexample{The example shows how initializer lists are treated as - objects when possible.,push_back__initializer_list} - */ - void push_back(initializer_list_t init) - { - if (is_object() && init.size() == 2 && (*init.begin())->is_string()) - { - basic_json&& key = init.begin()->moved_or_copied(); - push_back(typename object_t::value_type( - std::move(key.get_ref()), (init.begin() + 1)->moved_or_copied())); - } - else - { - push_back(basic_json(init)); - } - } - - /*! - @brief add an object to an object - @copydoc push_back(initializer_list_t) - */ - reference operator+=(initializer_list_t init) - { - push_back(init); - return *this; - } - - /*! - @brief add an object to an array - - Creates a JSON value from the passed parameters @a args to the end of the - JSON value. If the function is called on a JSON null value, an empty array - is created before appending the value created from @a args. - - @param[in] args arguments to forward to a constructor of @ref basic_json - @tparam Args compatible types to create a @ref basic_json object - - @return reference to the inserted element - - @throw type_error.311 when called on a type other than JSON array or - null; example: `"cannot use emplace_back() with number"` - - @complexity Amortized constant. - - @liveexample{The example shows how `push_back()` can be used to add - elements to a JSON array. Note how the `null` value was silently converted - to a JSON array.,emplace_back} - - @since version 2.0.8, returns reference since 3.7.0 - */ - template - reference emplace_back(Args&& ... args) - { - // emplace_back only works for null objects or arrays - if (JSON_HEDLEY_UNLIKELY(!(is_null() || is_array()))) - { - JSON_THROW(type_error::create(311, "cannot use emplace_back() with " + std::string(type_name()))); - } - - // transform null object into an array - if (is_null()) - { - m_type = value_t::array; - m_value = value_t::array; - assert_invariant(); - } - - // add element to array (perfect forwarding) -#ifdef JSON_HAS_CPP_17 - return m_value.array->emplace_back(std::forward(args)...); -#else - m_value.array->emplace_back(std::forward(args)...); - return m_value.array->back(); -#endif - } - - /*! - @brief add an object to an object if key does not exist - - Inserts a new element into a JSON object constructed in-place with the - given @a args if there is no element with the key in the container. If the - function is called on a JSON null value, an empty object is created before - appending the value created from @a args. - - @param[in] args arguments to forward to a constructor of @ref basic_json - @tparam Args compatible types to create a @ref basic_json object - - @return a pair consisting of an iterator to the inserted element, or the - already-existing element if no insertion happened, and a bool - denoting whether the insertion took place. - - @throw type_error.311 when called on a type other than JSON object or - null; example: `"cannot use emplace() with number"` - - @complexity Logarithmic in the size of the container, O(log(`size()`)). - - @liveexample{The example shows how `emplace()` can be used to add elements - to a JSON object. Note how the `null` value was silently converted to a - JSON object. Further note how no value is added if there was already one - value stored with the same key.,emplace} - - @since version 2.0.8 - */ - template - std::pair emplace(Args&& ... args) - { - // emplace only works for null objects or arrays - if (JSON_HEDLEY_UNLIKELY(!(is_null() || is_object()))) - { - JSON_THROW(type_error::create(311, "cannot use emplace() with " + std::string(type_name()))); - } - - // transform null object into an object - if (is_null()) - { - m_type = value_t::object; - m_value = value_t::object; - assert_invariant(); - } - - // add element to array (perfect forwarding) - auto res = m_value.object->emplace(std::forward(args)...); - // create result iterator and set iterator to the result of emplace - auto it = begin(); - it.m_it.object_iterator = res.first; - - // return pair of iterator and boolean - return {it, res.second}; - } - - /// Helper for insertion of an iterator - /// @note: This uses std::distance to support GCC 4.8, - /// see https://github.com/nlohmann/json/pull/1257 - template - iterator insert_iterator(const_iterator pos, Args&& ... args) - { - iterator result(this); - JSON_ASSERT(m_value.array != nullptr); - - auto insert_pos = std::distance(m_value.array->begin(), pos.m_it.array_iterator); - m_value.array->insert(pos.m_it.array_iterator, std::forward(args)...); - result.m_it.array_iterator = m_value.array->begin() + insert_pos; - - // This could have been written as: - // result.m_it.array_iterator = m_value.array->insert(pos.m_it.array_iterator, cnt, val); - // but the return value of insert is missing in GCC 4.8, so it is written this way instead. - - return result; - } - - /*! - @brief inserts element - - Inserts element @a val before iterator @a pos. - - @param[in] pos iterator before which the content will be inserted; may be - the end() iterator - @param[in] val element to insert - @return iterator pointing to the inserted @a val. - - @throw type_error.309 if called on JSON values other than arrays; - example: `"cannot use insert() with string"` - @throw invalid_iterator.202 if @a pos is not an iterator of *this; - example: `"iterator does not fit current value"` - - @complexity Constant plus linear in the distance between @a pos and end of - the container. - - @liveexample{The example shows how `insert()` is used.,insert} - - @since version 1.0.0 - */ - iterator insert(const_iterator pos, const basic_json& val) - { - // insert only works for arrays - if (JSON_HEDLEY_LIKELY(is_array())) - { - // check if iterator pos fits to this JSON value - if (JSON_HEDLEY_UNLIKELY(pos.m_object != this)) - { - JSON_THROW(invalid_iterator::create(202, "iterator does not fit current value")); - } - - // insert to array and return iterator - return insert_iterator(pos, val); - } - - JSON_THROW(type_error::create(309, "cannot use insert() with " + std::string(type_name()))); - } - - /*! - @brief inserts element - @copydoc insert(const_iterator, const basic_json&) - */ - iterator insert(const_iterator pos, basic_json&& val) - { - return insert(pos, val); - } - - /*! - @brief inserts elements - - Inserts @a cnt copies of @a val before iterator @a pos. - - @param[in] pos iterator before which the content will be inserted; may be - the end() iterator - @param[in] cnt number of copies of @a val to insert - @param[in] val element to insert - @return iterator pointing to the first element inserted, or @a pos if - `cnt==0` - - @throw type_error.309 if called on JSON values other than arrays; example: - `"cannot use insert() with string"` - @throw invalid_iterator.202 if @a pos is not an iterator of *this; - example: `"iterator does not fit current value"` - - @complexity Linear in @a cnt plus linear in the distance between @a pos - and end of the container. - - @liveexample{The example shows how `insert()` is used.,insert__count} - - @since version 1.0.0 - */ - iterator insert(const_iterator pos, size_type cnt, const basic_json& val) - { - // insert only works for arrays - if (JSON_HEDLEY_LIKELY(is_array())) - { - // check if iterator pos fits to this JSON value - if (JSON_HEDLEY_UNLIKELY(pos.m_object != this)) - { - JSON_THROW(invalid_iterator::create(202, "iterator does not fit current value")); - } - - // insert to array and return iterator - return insert_iterator(pos, cnt, val); - } - - JSON_THROW(type_error::create(309, "cannot use insert() with " + std::string(type_name()))); - } - - /*! - @brief inserts elements - - Inserts elements from range `[first, last)` before iterator @a pos. - - @param[in] pos iterator before which the content will be inserted; may be - the end() iterator - @param[in] first begin of the range of elements to insert - @param[in] last end of the range of elements to insert - - @throw type_error.309 if called on JSON values other than arrays; example: - `"cannot use insert() with string"` - @throw invalid_iterator.202 if @a pos is not an iterator of *this; - example: `"iterator does not fit current value"` - @throw invalid_iterator.210 if @a first and @a last do not belong to the - same JSON value; example: `"iterators do not fit"` - @throw invalid_iterator.211 if @a first or @a last are iterators into - container for which insert is called; example: `"passed iterators may not - belong to container"` - - @return iterator pointing to the first element inserted, or @a pos if - `first==last` - - @complexity Linear in `std::distance(first, last)` plus linear in the - distance between @a pos and end of the container. - - @liveexample{The example shows how `insert()` is used.,insert__range} - - @since version 1.0.0 - */ - iterator insert(const_iterator pos, const_iterator first, const_iterator last) - { - // insert only works for arrays - if (JSON_HEDLEY_UNLIKELY(!is_array())) - { - JSON_THROW(type_error::create(309, "cannot use insert() with " + std::string(type_name()))); - } - - // check if iterator pos fits to this JSON value - if (JSON_HEDLEY_UNLIKELY(pos.m_object != this)) - { - JSON_THROW(invalid_iterator::create(202, "iterator does not fit current value")); - } - - // check if range iterators belong to the same JSON object - if (JSON_HEDLEY_UNLIKELY(first.m_object != last.m_object)) - { - JSON_THROW(invalid_iterator::create(210, "iterators do not fit")); - } - - if (JSON_HEDLEY_UNLIKELY(first.m_object == this)) - { - JSON_THROW(invalid_iterator::create(211, "passed iterators may not belong to container")); - } - - // insert to array and return iterator - return insert_iterator(pos, first.m_it.array_iterator, last.m_it.array_iterator); - } - - /*! - @brief inserts elements - - Inserts elements from initializer list @a ilist before iterator @a pos. - - @param[in] pos iterator before which the content will be inserted; may be - the end() iterator - @param[in] ilist initializer list to insert the values from - - @throw type_error.309 if called on JSON values other than arrays; example: - `"cannot use insert() with string"` - @throw invalid_iterator.202 if @a pos is not an iterator of *this; - example: `"iterator does not fit current value"` - - @return iterator pointing to the first element inserted, or @a pos if - `ilist` is empty - - @complexity Linear in `ilist.size()` plus linear in the distance between - @a pos and end of the container. - - @liveexample{The example shows how `insert()` is used.,insert__ilist} - - @since version 1.0.0 - */ - iterator insert(const_iterator pos, initializer_list_t ilist) - { - // insert only works for arrays - if (JSON_HEDLEY_UNLIKELY(!is_array())) - { - JSON_THROW(type_error::create(309, "cannot use insert() with " + std::string(type_name()))); - } - - // check if iterator pos fits to this JSON value - if (JSON_HEDLEY_UNLIKELY(pos.m_object != this)) - { - JSON_THROW(invalid_iterator::create(202, "iterator does not fit current value")); - } - - // insert to array and return iterator - return insert_iterator(pos, ilist.begin(), ilist.end()); - } - - /*! - @brief inserts elements - - Inserts elements from range `[first, last)`. - - @param[in] first begin of the range of elements to insert - @param[in] last end of the range of elements to insert - - @throw type_error.309 if called on JSON values other than objects; example: - `"cannot use insert() with string"` - @throw invalid_iterator.202 if iterator @a first or @a last does does not - point to an object; example: `"iterators first and last must point to - objects"` - @throw invalid_iterator.210 if @a first and @a last do not belong to the - same JSON value; example: `"iterators do not fit"` - - @complexity Logarithmic: `O(N*log(size() + N))`, where `N` is the number - of elements to insert. - - @liveexample{The example shows how `insert()` is used.,insert__range_object} - - @since version 3.0.0 - */ - void insert(const_iterator first, const_iterator last) - { - // insert only works for objects - if (JSON_HEDLEY_UNLIKELY(!is_object())) - { - JSON_THROW(type_error::create(309, "cannot use insert() with " + std::string(type_name()))); - } - - // check if range iterators belong to the same JSON object - if (JSON_HEDLEY_UNLIKELY(first.m_object != last.m_object)) - { - JSON_THROW(invalid_iterator::create(210, "iterators do not fit")); - } - - // passed iterators must belong to objects - if (JSON_HEDLEY_UNLIKELY(!first.m_object->is_object())) - { - JSON_THROW(invalid_iterator::create(202, "iterators first and last must point to objects")); - } - - m_value.object->insert(first.m_it.object_iterator, last.m_it.object_iterator); - } - - /*! - @brief updates a JSON object from another object, overwriting existing keys - - Inserts all values from JSON object @a j and overwrites existing keys. - - @param[in] j JSON object to read values from - - @throw type_error.312 if called on JSON values other than objects; example: - `"cannot use update() with string"` - - @complexity O(N*log(size() + N)), where N is the number of elements to - insert. - - @liveexample{The example shows how `update()` is used.,update} - - @sa https://docs.python.org/3.6/library/stdtypes.html#dict.update - - @since version 3.0.0 - */ - void update(const_reference j) - { - // implicitly convert null value to an empty object - if (is_null()) - { - m_type = value_t::object; - m_value.object = create(); - assert_invariant(); - } - - if (JSON_HEDLEY_UNLIKELY(!is_object())) - { - JSON_THROW(type_error::create(312, "cannot use update() with " + std::string(type_name()))); - } - if (JSON_HEDLEY_UNLIKELY(!j.is_object())) - { - JSON_THROW(type_error::create(312, "cannot use update() with " + std::string(j.type_name()))); - } - - for (auto it = j.cbegin(); it != j.cend(); ++it) - { - m_value.object->operator[](it.key()) = it.value(); - } - } - - /*! - @brief updates a JSON object from another object, overwriting existing keys - - Inserts all values from from range `[first, last)` and overwrites existing - keys. - - @param[in] first begin of the range of elements to insert - @param[in] last end of the range of elements to insert - - @throw type_error.312 if called on JSON values other than objects; example: - `"cannot use update() with string"` - @throw invalid_iterator.202 if iterator @a first or @a last does does not - point to an object; example: `"iterators first and last must point to - objects"` - @throw invalid_iterator.210 if @a first and @a last do not belong to the - same JSON value; example: `"iterators do not fit"` - - @complexity O(N*log(size() + N)), where N is the number of elements to - insert. - - @liveexample{The example shows how `update()` is used__range.,update} - - @sa https://docs.python.org/3.6/library/stdtypes.html#dict.update - - @since version 3.0.0 - */ - void update(const_iterator first, const_iterator last) - { - // implicitly convert null value to an empty object - if (is_null()) - { - m_type = value_t::object; - m_value.object = create(); - assert_invariant(); - } - - if (JSON_HEDLEY_UNLIKELY(!is_object())) - { - JSON_THROW(type_error::create(312, "cannot use update() with " + std::string(type_name()))); - } - - // check if range iterators belong to the same JSON object - if (JSON_HEDLEY_UNLIKELY(first.m_object != last.m_object)) - { - JSON_THROW(invalid_iterator::create(210, "iterators do not fit")); - } - - // passed iterators must belong to objects - if (JSON_HEDLEY_UNLIKELY(!first.m_object->is_object() - || !last.m_object->is_object())) - { - JSON_THROW(invalid_iterator::create(202, "iterators first and last must point to objects")); - } - - for (auto it = first; it != last; ++it) - { - m_value.object->operator[](it.key()) = it.value(); - } - } - - /*! - @brief exchanges the values - - Exchanges the contents of the JSON value with those of @a other. Does not - invoke any move, copy, or swap operations on individual elements. All - iterators and references remain valid. The past-the-end iterator is - invalidated. - - @param[in,out] other JSON value to exchange the contents with - - @complexity Constant. - - @liveexample{The example below shows how JSON values can be swapped with - `swap()`.,swap__reference} - - @since version 1.0.0 - */ - void swap(reference other) noexcept ( - std::is_nothrow_move_constructible::value&& - std::is_nothrow_move_assignable::value&& - std::is_nothrow_move_constructible::value&& - std::is_nothrow_move_assignable::value - ) - { - std::swap(m_type, other.m_type); - std::swap(m_value, other.m_value); - assert_invariant(); - } - - /*! - @brief exchanges the values - - Exchanges the contents of the JSON value from @a left with those of @a right. Does not - invoke any move, copy, or swap operations on individual elements. All - iterators and references remain valid. The past-the-end iterator is - invalidated. implemented as a friend function callable via ADL. - - @param[in,out] left JSON value to exchange the contents with - @param[in,out] right JSON value to exchange the contents with - - @complexity Constant. - - @liveexample{The example below shows how JSON values can be swapped with - `swap()`.,swap__reference} - - @since version 1.0.0 - */ - friend void swap(reference left, reference right) noexcept ( - std::is_nothrow_move_constructible::value&& - std::is_nothrow_move_assignable::value&& - std::is_nothrow_move_constructible::value&& - std::is_nothrow_move_assignable::value - ) - { - left.swap(right); - } - - /*! - @brief exchanges the values - - Exchanges the contents of a JSON array with those of @a other. Does not - invoke any move, copy, or swap operations on individual elements. All - iterators and references remain valid. The past-the-end iterator is - invalidated. - - @param[in,out] other array to exchange the contents with - - @throw type_error.310 when JSON value is not an array; example: `"cannot - use swap() with string"` - - @complexity Constant. - - @liveexample{The example below shows how arrays can be swapped with - `swap()`.,swap__array_t} - - @since version 1.0.0 - */ - void swap(array_t& other) - { - // swap only works for arrays - if (JSON_HEDLEY_LIKELY(is_array())) - { - std::swap(*(m_value.array), other); - } - else - { - JSON_THROW(type_error::create(310, "cannot use swap() with " + std::string(type_name()))); - } - } - - /*! - @brief exchanges the values - - Exchanges the contents of a JSON object with those of @a other. Does not - invoke any move, copy, or swap operations on individual elements. All - iterators and references remain valid. The past-the-end iterator is - invalidated. - - @param[in,out] other object to exchange the contents with - - @throw type_error.310 when JSON value is not an object; example: - `"cannot use swap() with string"` - - @complexity Constant. - - @liveexample{The example below shows how objects can be swapped with - `swap()`.,swap__object_t} - - @since version 1.0.0 - */ - void swap(object_t& other) - { - // swap only works for objects - if (JSON_HEDLEY_LIKELY(is_object())) - { - std::swap(*(m_value.object), other); - } - else - { - JSON_THROW(type_error::create(310, "cannot use swap() with " + std::string(type_name()))); - } - } - - /*! - @brief exchanges the values - - Exchanges the contents of a JSON string with those of @a other. Does not - invoke any move, copy, or swap operations on individual elements. All - iterators and references remain valid. The past-the-end iterator is - invalidated. - - @param[in,out] other string to exchange the contents with - - @throw type_error.310 when JSON value is not a string; example: `"cannot - use swap() with boolean"` - - @complexity Constant. - - @liveexample{The example below shows how strings can be swapped with - `swap()`.,swap__string_t} - - @since version 1.0.0 - */ - void swap(string_t& other) - { - // swap only works for strings - if (JSON_HEDLEY_LIKELY(is_string())) - { - std::swap(*(m_value.string), other); - } - else - { - JSON_THROW(type_error::create(310, "cannot use swap() with " + std::string(type_name()))); - } - } - - /*! - @brief exchanges the values - - Exchanges the contents of a JSON string with those of @a other. Does not - invoke any move, copy, or swap operations on individual elements. All - iterators and references remain valid. The past-the-end iterator is - invalidated. - - @param[in,out] other binary to exchange the contents with - - @throw type_error.310 when JSON value is not a string; example: `"cannot - use swap() with boolean"` - - @complexity Constant. - - @liveexample{The example below shows how strings can be swapped with - `swap()`.,swap__binary_t} - - @since version 3.8.0 - */ - void swap(binary_t& other) - { - // swap only works for strings - if (JSON_HEDLEY_LIKELY(is_binary())) - { - std::swap(*(m_value.binary), other); - } - else - { - JSON_THROW(type_error::create(310, "cannot use swap() with " + std::string(type_name()))); - } - } - - /// @copydoc swap(binary_t) - void swap(typename binary_t::container_type& other) - { - // swap only works for strings - if (JSON_HEDLEY_LIKELY(is_binary())) - { - std::swap(*(m_value.binary), other); - } - else - { - JSON_THROW(type_error::create(310, "cannot use swap() with " + std::string(type_name()))); - } - } - - /// @} - - public: - ////////////////////////////////////////// - // lexicographical comparison operators // - ////////////////////////////////////////// - - /// @name lexicographical comparison operators - /// @{ - - /*! - @brief comparison: equal - - Compares two JSON values for equality according to the following rules: - - Two JSON values are equal if (1) they are from the same type and (2) - their stored values are the same according to their respective - `operator==`. - - Integer and floating-point numbers are automatically converted before - comparison. Note that two NaN values are always treated as unequal. - - Two JSON null values are equal. - - @note Floating-point inside JSON values numbers are compared with - `json::number_float_t::operator==` which is `double::operator==` by - default. To compare floating-point while respecting an epsilon, an alternative - [comparison function](https://github.com/mariokonrad/marnav/blob/master/include/marnav/math/floatingpoint.hpp#L34-#L39) - could be used, for instance - @code {.cpp} - template::value, T>::type> - inline bool is_same(T a, T b, T epsilon = std::numeric_limits::epsilon()) noexcept - { - return std::abs(a - b) <= epsilon; - } - @endcode - Or you can self-defined operator equal function like this: - @code {.cpp} - bool my_equal(const_reference lhs, const_reference rhs) { - const auto lhs_type lhs.type(); - const auto rhs_type rhs.type(); - if (lhs_type == rhs_type) { - switch(lhs_type) - // self_defined case - case value_t::number_float: - return std::abs(lhs - rhs) <= std::numeric_limits::epsilon(); - // other cases remain the same with the original - ... - } - ... - } - @endcode - - @note NaN values never compare equal to themselves or to other NaN values. - - @param[in] lhs first JSON value to consider - @param[in] rhs second JSON value to consider - @return whether the values @a lhs and @a rhs are equal - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - - @complexity Linear. - - @liveexample{The example demonstrates comparing several JSON - types.,operator__equal} - - @since version 1.0.0 - */ - friend bool operator==(const_reference lhs, const_reference rhs) noexcept - { - const auto lhs_type = lhs.type(); - const auto rhs_type = rhs.type(); - - if (lhs_type == rhs_type) - { - switch (lhs_type) - { - case value_t::array: - return *lhs.m_value.array == *rhs.m_value.array; - - case value_t::object: - return *lhs.m_value.object == *rhs.m_value.object; - - case value_t::null: - return true; - - case value_t::string: - return *lhs.m_value.string == *rhs.m_value.string; - - case value_t::boolean: - return lhs.m_value.boolean == rhs.m_value.boolean; - - case value_t::number_integer: - return lhs.m_value.number_integer == rhs.m_value.number_integer; - - case value_t::number_unsigned: - return lhs.m_value.number_unsigned == rhs.m_value.number_unsigned; - - case value_t::number_float: - return lhs.m_value.number_float == rhs.m_value.number_float; - - case value_t::binary: - return *lhs.m_value.binary == *rhs.m_value.binary; - - default: - return false; - } - } - else if (lhs_type == value_t::number_integer && rhs_type == value_t::number_float) - { - return static_cast(lhs.m_value.number_integer) == rhs.m_value.number_float; - } - else if (lhs_type == value_t::number_float && rhs_type == value_t::number_integer) - { - return lhs.m_value.number_float == static_cast(rhs.m_value.number_integer); - } - else if (lhs_type == value_t::number_unsigned && rhs_type == value_t::number_float) - { - return static_cast(lhs.m_value.number_unsigned) == rhs.m_value.number_float; - } - else if (lhs_type == value_t::number_float && rhs_type == value_t::number_unsigned) - { - return lhs.m_value.number_float == static_cast(rhs.m_value.number_unsigned); - } - else if (lhs_type == value_t::number_unsigned && rhs_type == value_t::number_integer) - { - return static_cast(lhs.m_value.number_unsigned) == rhs.m_value.number_integer; - } - else if (lhs_type == value_t::number_integer && rhs_type == value_t::number_unsigned) - { - return lhs.m_value.number_integer == static_cast(rhs.m_value.number_unsigned); - } - - return false; - } - - /*! - @brief comparison: equal - @copydoc operator==(const_reference, const_reference) - */ - template::value, int>::type = 0> - friend bool operator==(const_reference lhs, const ScalarType rhs) noexcept - { - return lhs == basic_json(rhs); - } - - /*! - @brief comparison: equal - @copydoc operator==(const_reference, const_reference) - */ - template::value, int>::type = 0> - friend bool operator==(const ScalarType lhs, const_reference rhs) noexcept - { - return basic_json(lhs) == rhs; - } - - /*! - @brief comparison: not equal - - Compares two JSON values for inequality by calculating `not (lhs == rhs)`. - - @param[in] lhs first JSON value to consider - @param[in] rhs second JSON value to consider - @return whether the values @a lhs and @a rhs are not equal - - @complexity Linear. - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - - @liveexample{The example demonstrates comparing several JSON - types.,operator__notequal} - - @since version 1.0.0 - */ - friend bool operator!=(const_reference lhs, const_reference rhs) noexcept - { - return !(lhs == rhs); - } - - /*! - @brief comparison: not equal - @copydoc operator!=(const_reference, const_reference) - */ - template::value, int>::type = 0> - friend bool operator!=(const_reference lhs, const ScalarType rhs) noexcept - { - return lhs != basic_json(rhs); - } - - /*! - @brief comparison: not equal - @copydoc operator!=(const_reference, const_reference) - */ - template::value, int>::type = 0> - friend bool operator!=(const ScalarType lhs, const_reference rhs) noexcept - { - return basic_json(lhs) != rhs; - } - - /*! - @brief comparison: less than - - Compares whether one JSON value @a lhs is less than another JSON value @a - rhs according to the following rules: - - If @a lhs and @a rhs have the same type, the values are compared using - the default `<` operator. - - Integer and floating-point numbers are automatically converted before - comparison - - In case @a lhs and @a rhs have different types, the values are ignored - and the order of the types is considered, see - @ref operator<(const value_t, const value_t). - - @param[in] lhs first JSON value to consider - @param[in] rhs second JSON value to consider - @return whether @a lhs is less than @a rhs - - @complexity Linear. - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - - @liveexample{The example demonstrates comparing several JSON - types.,operator__less} - - @since version 1.0.0 - */ - friend bool operator<(const_reference lhs, const_reference rhs) noexcept - { - const auto lhs_type = lhs.type(); - const auto rhs_type = rhs.type(); - - if (lhs_type == rhs_type) - { - switch (lhs_type) - { - case value_t::array: - // note parentheses are necessary, see - // https://github.com/nlohmann/json/issues/1530 - return (*lhs.m_value.array) < (*rhs.m_value.array); - - case value_t::object: - return (*lhs.m_value.object) < (*rhs.m_value.object); - - case value_t::null: - return false; - - case value_t::string: - return (*lhs.m_value.string) < (*rhs.m_value.string); - - case value_t::boolean: - return (lhs.m_value.boolean) < (rhs.m_value.boolean); - - case value_t::number_integer: - return (lhs.m_value.number_integer) < (rhs.m_value.number_integer); - - case value_t::number_unsigned: - return (lhs.m_value.number_unsigned) < (rhs.m_value.number_unsigned); - - case value_t::number_float: - return (lhs.m_value.number_float) < (rhs.m_value.number_float); - - case value_t::binary: - return (*lhs.m_value.binary) < (*rhs.m_value.binary); - - default: - return false; - } - } - else if (lhs_type == value_t::number_integer && rhs_type == value_t::number_float) - { - return static_cast(lhs.m_value.number_integer) < rhs.m_value.number_float; - } - else if (lhs_type == value_t::number_float && rhs_type == value_t::number_integer) - { - return lhs.m_value.number_float < static_cast(rhs.m_value.number_integer); - } - else if (lhs_type == value_t::number_unsigned && rhs_type == value_t::number_float) - { - return static_cast(lhs.m_value.number_unsigned) < rhs.m_value.number_float; - } - else if (lhs_type == value_t::number_float && rhs_type == value_t::number_unsigned) - { - return lhs.m_value.number_float < static_cast(rhs.m_value.number_unsigned); - } - else if (lhs_type == value_t::number_integer && rhs_type == value_t::number_unsigned) - { - return lhs.m_value.number_integer < static_cast(rhs.m_value.number_unsigned); - } - else if (lhs_type == value_t::number_unsigned && rhs_type == value_t::number_integer) - { - return static_cast(lhs.m_value.number_unsigned) < rhs.m_value.number_integer; - } - - // We only reach this line if we cannot compare values. In that case, - // we compare types. Note we have to call the operator explicitly, - // because MSVC has problems otherwise. - return operator<(lhs_type, rhs_type); - } - - /*! - @brief comparison: less than - @copydoc operator<(const_reference, const_reference) - */ - template::value, int>::type = 0> - friend bool operator<(const_reference lhs, const ScalarType rhs) noexcept - { - return lhs < basic_json(rhs); - } - - /*! - @brief comparison: less than - @copydoc operator<(const_reference, const_reference) - */ - template::value, int>::type = 0> - friend bool operator<(const ScalarType lhs, const_reference rhs) noexcept - { - return basic_json(lhs) < rhs; - } - - /*! - @brief comparison: less than or equal - - Compares whether one JSON value @a lhs is less than or equal to another - JSON value by calculating `not (rhs < lhs)`. - - @param[in] lhs first JSON value to consider - @param[in] rhs second JSON value to consider - @return whether @a lhs is less than or equal to @a rhs - - @complexity Linear. - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - - @liveexample{The example demonstrates comparing several JSON - types.,operator__greater} - - @since version 1.0.0 - */ - friend bool operator<=(const_reference lhs, const_reference rhs) noexcept - { - return !(rhs < lhs); - } - - /*! - @brief comparison: less than or equal - @copydoc operator<=(const_reference, const_reference) - */ - template::value, int>::type = 0> - friend bool operator<=(const_reference lhs, const ScalarType rhs) noexcept - { - return lhs <= basic_json(rhs); - } - - /*! - @brief comparison: less than or equal - @copydoc operator<=(const_reference, const_reference) - */ - template::value, int>::type = 0> - friend bool operator<=(const ScalarType lhs, const_reference rhs) noexcept - { - return basic_json(lhs) <= rhs; - } - - /*! - @brief comparison: greater than - - Compares whether one JSON value @a lhs is greater than another - JSON value by calculating `not (lhs <= rhs)`. - - @param[in] lhs first JSON value to consider - @param[in] rhs second JSON value to consider - @return whether @a lhs is greater than to @a rhs - - @complexity Linear. - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - - @liveexample{The example demonstrates comparing several JSON - types.,operator__lessequal} - - @since version 1.0.0 - */ - friend bool operator>(const_reference lhs, const_reference rhs) noexcept - { - return !(lhs <= rhs); - } - - /*! - @brief comparison: greater than - @copydoc operator>(const_reference, const_reference) - */ - template::value, int>::type = 0> - friend bool operator>(const_reference lhs, const ScalarType rhs) noexcept - { - return lhs > basic_json(rhs); - } - - /*! - @brief comparison: greater than - @copydoc operator>(const_reference, const_reference) - */ - template::value, int>::type = 0> - friend bool operator>(const ScalarType lhs, const_reference rhs) noexcept - { - return basic_json(lhs) > rhs; - } - - /*! - @brief comparison: greater than or equal - - Compares whether one JSON value @a lhs is greater than or equal to another - JSON value by calculating `not (lhs < rhs)`. - - @param[in] lhs first JSON value to consider - @param[in] rhs second JSON value to consider - @return whether @a lhs is greater than or equal to @a rhs - - @complexity Linear. - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - - @liveexample{The example demonstrates comparing several JSON - types.,operator__greaterequal} - - @since version 1.0.0 - */ - friend bool operator>=(const_reference lhs, const_reference rhs) noexcept - { - return !(lhs < rhs); - } - - /*! - @brief comparison: greater than or equal - @copydoc operator>=(const_reference, const_reference) - */ - template::value, int>::type = 0> - friend bool operator>=(const_reference lhs, const ScalarType rhs) noexcept - { - return lhs >= basic_json(rhs); - } - - /*! - @brief comparison: greater than or equal - @copydoc operator>=(const_reference, const_reference) - */ - template::value, int>::type = 0> - friend bool operator>=(const ScalarType lhs, const_reference rhs) noexcept - { - return basic_json(lhs) >= rhs; - } - - /// @} - - /////////////////// - // serialization // - /////////////////// - - /// @name serialization - /// @{ - - /*! - @brief serialize to stream - - Serialize the given JSON value @a j to the output stream @a o. The JSON - value will be serialized using the @ref dump member function. - - - The indentation of the output can be controlled with the member variable - `width` of the output stream @a o. For instance, using the manipulator - `std::setw(4)` on @a o sets the indentation level to `4` and the - serialization result is the same as calling `dump(4)`. - - - The indentation character can be controlled with the member variable - `fill` of the output stream @a o. For instance, the manipulator - `std::setfill('\\t')` sets indentation to use a tab character rather than - the default space character. - - @param[in,out] o stream to serialize to - @param[in] j JSON value to serialize - - @return the stream @a o - - @throw type_error.316 if a string stored inside the JSON value is not - UTF-8 encoded - - @complexity Linear. - - @liveexample{The example below shows the serialization with different - parameters to `width` to adjust the indentation level.,operator_serialize} - - @since version 1.0.0; indentation character added in version 3.0.0 - */ - friend std::ostream& operator<<(std::ostream& o, const basic_json& j) - { - // read width member and use it as indentation parameter if nonzero - const bool pretty_print = o.width() > 0; - const auto indentation = pretty_print ? o.width() : 0; - - // reset width to 0 for subsequent calls to this stream - o.width(0); - - // do the actual serialization - serializer s(detail::output_adapter(o), o.fill()); - s.dump(j, pretty_print, false, static_cast(indentation)); - return o; - } - - /*! - @brief serialize to stream - @deprecated This stream operator is deprecated and will be removed in - future 4.0.0 of the library. Please use - @ref operator<<(std::ostream&, const basic_json&) - instead; that is, replace calls like `j >> o;` with `o << j;`. - @since version 1.0.0; deprecated since version 3.0.0 - */ - JSON_HEDLEY_DEPRECATED_FOR(3.0.0, operator<<(std::ostream&, const basic_json&)) - friend std::ostream& operator>>(const basic_json& j, std::ostream& o) - { - return o << j; - } - - /// @} - - - ///////////////////// - // deserialization // - ///////////////////// - - /// @name deserialization - /// @{ - - /*! - @brief deserialize from a compatible input - - @tparam InputType A compatible input, for instance - - an std::istream object - - a FILE pointer - - a C-style array of characters - - a pointer to a null-terminated string of single byte characters - - an object obj for which begin(obj) and end(obj) produces a valid pair of - iterators. - - @param[in] i input to read from - @param[in] cb a parser callback function of type @ref parser_callback_t - which is used to control the deserialization by filtering unwanted values - (optional) - @param[in] allow_exceptions whether to throw exceptions in case of a - parse error (optional, true by default) - @param[in] ignore_comments whether comments should be ignored and treated - like whitespace (true) or yield a parse error (true); (optional, false by - default) - - @return deserialized JSON value; in case of a parse error and - @a allow_exceptions set to `false`, the return value will be - value_t::discarded. - - @throw parse_error.101 if a parse error occurs; example: `""unexpected end - of input; expected string literal""` - @throw parse_error.102 if to_unicode fails or surrogate error - @throw parse_error.103 if to_unicode fails - - @complexity Linear in the length of the input. The parser is a predictive - LL(1) parser. The complexity can be higher if the parser callback function - @a cb or reading from the input @a i has a super-linear complexity. - - @note A UTF-8 byte order mark is silently ignored. - - @liveexample{The example below demonstrates the `parse()` function reading - from an array.,parse__array__parser_callback_t} - - @liveexample{The example below demonstrates the `parse()` function with - and without callback function.,parse__string__parser_callback_t} - - @liveexample{The example below demonstrates the `parse()` function with - and without callback function.,parse__istream__parser_callback_t} - - @liveexample{The example below demonstrates the `parse()` function reading - from a contiguous container.,parse__contiguouscontainer__parser_callback_t} - - @since version 2.0.3 (contiguous containers); version 3.9.0 allowed to - ignore comments. - */ - template - JSON_HEDLEY_WARN_UNUSED_RESULT - static basic_json parse(InputType&& i, - const parser_callback_t cb = nullptr, - const bool allow_exceptions = true, - const bool ignore_comments = false) - { - basic_json result; - parser(detail::input_adapter(std::forward(i)), cb, allow_exceptions, ignore_comments).parse(true, result); - return result; - } - - /*! - @brief deserialize from a pair of character iterators - - The value_type of the iterator must be a integral type with size of 1, 2 or - 4 bytes, which will be interpreted respectively as UTF-8, UTF-16 and UTF-32. - - @param[in] first iterator to start of character range - @param[in] last iterator to end of character range - @param[in] cb a parser callback function of type @ref parser_callback_t - which is used to control the deserialization by filtering unwanted values - (optional) - @param[in] allow_exceptions whether to throw exceptions in case of a - parse error (optional, true by default) - @param[in] ignore_comments whether comments should be ignored and treated - like whitespace (true) or yield a parse error (true); (optional, false by - default) - - @return deserialized JSON value; in case of a parse error and - @a allow_exceptions set to `false`, the return value will be - value_t::discarded. - - @throw parse_error.101 if a parse error occurs; example: `""unexpected end - of input; expected string literal""` - @throw parse_error.102 if to_unicode fails or surrogate error - @throw parse_error.103 if to_unicode fails - */ - template - JSON_HEDLEY_WARN_UNUSED_RESULT - static basic_json parse(IteratorType first, - IteratorType last, - const parser_callback_t cb = nullptr, - const bool allow_exceptions = true, - const bool ignore_comments = false) - { - basic_json result; - parser(detail::input_adapter(std::move(first), std::move(last)), cb, allow_exceptions, ignore_comments).parse(true, result); - return result; - } - - JSON_HEDLEY_WARN_UNUSED_RESULT - JSON_HEDLEY_DEPRECATED_FOR(3.8.0, parse(ptr, ptr + len)) - static basic_json parse(detail::span_input_adapter&& i, - const parser_callback_t cb = nullptr, - const bool allow_exceptions = true, - const bool ignore_comments = false) - { - basic_json result; - parser(i.get(), cb, allow_exceptions, ignore_comments).parse(true, result); - return result; - } - - /*! - @brief check if the input is valid JSON - - Unlike the @ref parse(InputType&&, const parser_callback_t,const bool) - function, this function neither throws an exception in case of invalid JSON - input (i.e., a parse error) nor creates diagnostic information. - - @tparam InputType A compatible input, for instance - - an std::istream object - - a FILE pointer - - a C-style array of characters - - a pointer to a null-terminated string of single byte characters - - an object obj for which begin(obj) and end(obj) produces a valid pair of - iterators. - - @param[in] i input to read from - @param[in] ignore_comments whether comments should be ignored and treated - like whitespace (true) or yield a parse error (true); (optional, false by - default) - - @return Whether the input read from @a i is valid JSON. - - @complexity Linear in the length of the input. The parser is a predictive - LL(1) parser. - - @note A UTF-8 byte order mark is silently ignored. - - @liveexample{The example below demonstrates the `accept()` function reading - from a string.,accept__string} - */ - template - static bool accept(InputType&& i, - const bool ignore_comments = false) - { - return parser(detail::input_adapter(std::forward(i)), nullptr, false, ignore_comments).accept(true); - } - - template - static bool accept(IteratorType first, IteratorType last, - const bool ignore_comments = false) - { - return parser(detail::input_adapter(std::move(first), std::move(last)), nullptr, false, ignore_comments).accept(true); - } - - JSON_HEDLEY_WARN_UNUSED_RESULT - JSON_HEDLEY_DEPRECATED_FOR(3.8.0, accept(ptr, ptr + len)) - static bool accept(detail::span_input_adapter&& i, - const bool ignore_comments = false) - { - return parser(i.get(), nullptr, false, ignore_comments).accept(true); - } - - /*! - @brief generate SAX events - - The SAX event lister must follow the interface of @ref json_sax. - - This function reads from a compatible input. Examples are: - - an std::istream object - - a FILE pointer - - a C-style array of characters - - a pointer to a null-terminated string of single byte characters - - an object obj for which begin(obj) and end(obj) produces a valid pair of - iterators. - - @param[in] i input to read from - @param[in,out] sax SAX event listener - @param[in] format the format to parse (JSON, CBOR, MessagePack, or UBJSON) - @param[in] strict whether the input has to be consumed completely - @param[in] ignore_comments whether comments should be ignored and treated - like whitespace (true) or yield a parse error (true); (optional, false by - default); only applies to the JSON file format. - - @return return value of the last processed SAX event - - @throw parse_error.101 if a parse error occurs; example: `""unexpected end - of input; expected string literal""` - @throw parse_error.102 if to_unicode fails or surrogate error - @throw parse_error.103 if to_unicode fails - - @complexity Linear in the length of the input. The parser is a predictive - LL(1) parser. The complexity can be higher if the SAX consumer @a sax has - a super-linear complexity. - - @note A UTF-8 byte order mark is silently ignored. - - @liveexample{The example below demonstrates the `sax_parse()` function - reading from string and processing the events with a user-defined SAX - event consumer.,sax_parse} - - @since version 3.2.0 - */ - template - JSON_HEDLEY_NON_NULL(2) - static bool sax_parse(InputType&& i, SAX* sax, - input_format_t format = input_format_t::json, - const bool strict = true, - const bool ignore_comments = false) - { - auto ia = detail::input_adapter(std::forward(i)); - return format == input_format_t::json - ? parser(std::move(ia), nullptr, true, ignore_comments).sax_parse(sax, strict) - : detail::binary_reader(std::move(ia)).sax_parse(format, sax, strict); - } - - template - JSON_HEDLEY_NON_NULL(3) - static bool sax_parse(IteratorType first, IteratorType last, SAX* sax, - input_format_t format = input_format_t::json, - const bool strict = true, - const bool ignore_comments = false) - { - auto ia = detail::input_adapter(std::move(first), std::move(last)); - return format == input_format_t::json - ? parser(std::move(ia), nullptr, true, ignore_comments).sax_parse(sax, strict) - : detail::binary_reader(std::move(ia)).sax_parse(format, sax, strict); - } - - template - JSON_HEDLEY_DEPRECATED_FOR(3.8.0, sax_parse(ptr, ptr + len, ...)) - JSON_HEDLEY_NON_NULL(2) - static bool sax_parse(detail::span_input_adapter&& i, SAX* sax, - input_format_t format = input_format_t::json, - const bool strict = true, - const bool ignore_comments = false) - { - auto ia = i.get(); - return format == input_format_t::json - ? parser(std::move(ia), nullptr, true, ignore_comments).sax_parse(sax, strict) - : detail::binary_reader(std::move(ia)).sax_parse(format, sax, strict); - } - - /*! - @brief deserialize from stream - @deprecated This stream operator is deprecated and will be removed in - version 4.0.0 of the library. Please use - @ref operator>>(std::istream&, basic_json&) - instead; that is, replace calls like `j << i;` with `i >> j;`. - @since version 1.0.0; deprecated since version 3.0.0 - */ - JSON_HEDLEY_DEPRECATED_FOR(3.0.0, operator>>(std::istream&, basic_json&)) - friend std::istream& operator<<(basic_json& j, std::istream& i) - { - return operator>>(i, j); - } - - /*! - @brief deserialize from stream - - Deserializes an input stream to a JSON value. - - @param[in,out] i input stream to read a serialized JSON value from - @param[in,out] j JSON value to write the deserialized input to - - @throw parse_error.101 in case of an unexpected token - @throw parse_error.102 if to_unicode fails or surrogate error - @throw parse_error.103 if to_unicode fails - - @complexity Linear in the length of the input. The parser is a predictive - LL(1) parser. - - @note A UTF-8 byte order mark is silently ignored. - - @liveexample{The example below shows how a JSON value is constructed by - reading a serialization from a stream.,operator_deserialize} - - @sa parse(std::istream&, const parser_callback_t) for a variant with a - parser callback function to filter values while parsing - - @since version 1.0.0 - */ - friend std::istream& operator>>(std::istream& i, basic_json& j) - { - parser(detail::input_adapter(i)).parse(false, j); - return i; - } - - /// @} - - /////////////////////////// - // convenience functions // - /////////////////////////// - - /*! - @brief return the type as string - - Returns the type name as string to be used in error messages - usually to - indicate that a function was called on a wrong JSON type. - - @return a string representation of a the @a m_type member: - Value type | return value - ----------- | ------------- - null | `"null"` - boolean | `"boolean"` - string | `"string"` - number | `"number"` (for all number types) - object | `"object"` - array | `"array"` - binary | `"binary"` - discarded | `"discarded"` - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - - @complexity Constant. - - @liveexample{The following code exemplifies `type_name()` for all JSON - types.,type_name} - - @sa @ref type() -- return the type of the JSON value - @sa @ref operator value_t() -- return the type of the JSON value (implicit) - - @since version 1.0.0, public since 2.1.0, `const char*` and `noexcept` - since 3.0.0 - */ - JSON_HEDLEY_RETURNS_NON_NULL - const char* type_name() const noexcept - { - { - switch (m_type) - { - case value_t::null: - return "null"; - case value_t::object: - return "object"; - case value_t::array: - return "array"; - case value_t::string: - return "string"; - case value_t::boolean: - return "boolean"; - case value_t::binary: - return "binary"; - case value_t::discarded: - return "discarded"; - default: - return "number"; - } - } - } - - - private: - ////////////////////// - // member variables // - ////////////////////// - - /// the type of the current element - value_t m_type = value_t::null; - - /// the value of the current element - json_value m_value = {}; - - ////////////////////////////////////////// - // binary serialization/deserialization // - ////////////////////////////////////////// - - /// @name binary serialization/deserialization support - /// @{ - - public: - /*! - @brief create a CBOR serialization of a given JSON value - - Serializes a given JSON value @a j to a byte vector using the CBOR (Concise - Binary Object Representation) serialization format. CBOR is a binary - serialization format which aims to be more compact than JSON itself, yet - more efficient to parse. - - The library uses the following mapping from JSON values types to - CBOR types according to the CBOR specification (RFC 7049): - - JSON value type | value/range | CBOR type | first byte - --------------- | ------------------------------------------ | ---------------------------------- | --------------- - null | `null` | Null | 0xF6 - boolean | `true` | True | 0xF5 - boolean | `false` | False | 0xF4 - number_integer | -9223372036854775808..-2147483649 | Negative integer (8 bytes follow) | 0x3B - number_integer | -2147483648..-32769 | Negative integer (4 bytes follow) | 0x3A - number_integer | -32768..-129 | Negative integer (2 bytes follow) | 0x39 - number_integer | -128..-25 | Negative integer (1 byte follow) | 0x38 - number_integer | -24..-1 | Negative integer | 0x20..0x37 - number_integer | 0..23 | Integer | 0x00..0x17 - number_integer | 24..255 | Unsigned integer (1 byte follow) | 0x18 - number_integer | 256..65535 | Unsigned integer (2 bytes follow) | 0x19 - number_integer | 65536..4294967295 | Unsigned integer (4 bytes follow) | 0x1A - number_integer | 4294967296..18446744073709551615 | Unsigned integer (8 bytes follow) | 0x1B - number_unsigned | 0..23 | Integer | 0x00..0x17 - number_unsigned | 24..255 | Unsigned integer (1 byte follow) | 0x18 - number_unsigned | 256..65535 | Unsigned integer (2 bytes follow) | 0x19 - number_unsigned | 65536..4294967295 | Unsigned integer (4 bytes follow) | 0x1A - number_unsigned | 4294967296..18446744073709551615 | Unsigned integer (8 bytes follow) | 0x1B - number_float | *any value representable by a float* | Single-Precision Float | 0xFA - number_float | *any value NOT representable by a float* | Double-Precision Float | 0xFB - string | *length*: 0..23 | UTF-8 string | 0x60..0x77 - string | *length*: 23..255 | UTF-8 string (1 byte follow) | 0x78 - string | *length*: 256..65535 | UTF-8 string (2 bytes follow) | 0x79 - string | *length*: 65536..4294967295 | UTF-8 string (4 bytes follow) | 0x7A - string | *length*: 4294967296..18446744073709551615 | UTF-8 string (8 bytes follow) | 0x7B - array | *size*: 0..23 | array | 0x80..0x97 - array | *size*: 23..255 | array (1 byte follow) | 0x98 - array | *size*: 256..65535 | array (2 bytes follow) | 0x99 - array | *size*: 65536..4294967295 | array (4 bytes follow) | 0x9A - array | *size*: 4294967296..18446744073709551615 | array (8 bytes follow) | 0x9B - object | *size*: 0..23 | map | 0xA0..0xB7 - object | *size*: 23..255 | map (1 byte follow) | 0xB8 - object | *size*: 256..65535 | map (2 bytes follow) | 0xB9 - object | *size*: 65536..4294967295 | map (4 bytes follow) | 0xBA - object | *size*: 4294967296..18446744073709551615 | map (8 bytes follow) | 0xBB - binary | *size*: 0..23 | byte string | 0x40..0x57 - binary | *size*: 23..255 | byte string (1 byte follow) | 0x58 - binary | *size*: 256..65535 | byte string (2 bytes follow) | 0x59 - binary | *size*: 65536..4294967295 | byte string (4 bytes follow) | 0x5A - binary | *size*: 4294967296..18446744073709551615 | byte string (8 bytes follow) | 0x5B - - @note The mapping is **complete** in the sense that any JSON value type - can be converted to a CBOR value. - - @note If NaN or Infinity are stored inside a JSON number, they are - serialized properly. This behavior differs from the @ref dump() - function which serializes NaN or Infinity to `null`. - - @note The following CBOR types are not used in the conversion: - - UTF-8 strings terminated by "break" (0x7F) - - arrays terminated by "break" (0x9F) - - maps terminated by "break" (0xBF) - - byte strings terminated by "break" (0x5F) - - date/time (0xC0..0xC1) - - bignum (0xC2..0xC3) - - decimal fraction (0xC4) - - bigfloat (0xC5) - - expected conversions (0xD5..0xD7) - - simple values (0xE0..0xF3, 0xF8) - - undefined (0xF7) - - half-precision floats (0xF9) - - break (0xFF) - - @param[in] j JSON value to serialize - @return CBOR serialization as byte vector - - @complexity Linear in the size of the JSON value @a j. - - @liveexample{The example shows the serialization of a JSON value to a byte - vector in CBOR format.,to_cbor} - - @sa http://cbor.io - @sa @ref from_cbor(detail::input_adapter&&, const bool, const bool, const cbor_tag_handler_t) for the - analogous deserialization - @sa @ref to_msgpack(const basic_json&) for the related MessagePack format - @sa @ref to_ubjson(const basic_json&, const bool, const bool) for the - related UBJSON format - - @since version 2.0.9; compact representation of floating-point numbers - since version 3.8.0 - */ - static std::vector to_cbor(const basic_json& j) - { - std::vector result; - to_cbor(j, result); - return result; - } - - static void to_cbor(const basic_json& j, detail::output_adapter o) - { - binary_writer(o).write_cbor(j); - } - - static void to_cbor(const basic_json& j, detail::output_adapter o) - { - binary_writer(o).write_cbor(j); - } - - /*! - @brief create a MessagePack serialization of a given JSON value - - Serializes a given JSON value @a j to a byte vector using the MessagePack - serialization format. MessagePack is a binary serialization format which - aims to be more compact than JSON itself, yet more efficient to parse. - - The library uses the following mapping from JSON values types to - MessagePack types according to the MessagePack specification: - - JSON value type | value/range | MessagePack type | first byte - --------------- | --------------------------------- | ---------------- | ---------- - null | `null` | nil | 0xC0 - boolean | `true` | true | 0xC3 - boolean | `false` | false | 0xC2 - number_integer | -9223372036854775808..-2147483649 | int64 | 0xD3 - number_integer | -2147483648..-32769 | int32 | 0xD2 - number_integer | -32768..-129 | int16 | 0xD1 - number_integer | -128..-33 | int8 | 0xD0 - number_integer | -32..-1 | negative fixint | 0xE0..0xFF - number_integer | 0..127 | positive fixint | 0x00..0x7F - number_integer | 128..255 | uint 8 | 0xCC - number_integer | 256..65535 | uint 16 | 0xCD - number_integer | 65536..4294967295 | uint 32 | 0xCE - number_integer | 4294967296..18446744073709551615 | uint 64 | 0xCF - number_unsigned | 0..127 | positive fixint | 0x00..0x7F - number_unsigned | 128..255 | uint 8 | 0xCC - number_unsigned | 256..65535 | uint 16 | 0xCD - number_unsigned | 65536..4294967295 | uint 32 | 0xCE - number_unsigned | 4294967296..18446744073709551615 | uint 64 | 0xCF - number_float | *any value representable by a float* | float 32 | 0xCA - number_float | *any value NOT representable by a float* | float 64 | 0xCB - string | *length*: 0..31 | fixstr | 0xA0..0xBF - string | *length*: 32..255 | str 8 | 0xD9 - string | *length*: 256..65535 | str 16 | 0xDA - string | *length*: 65536..4294967295 | str 32 | 0xDB - array | *size*: 0..15 | fixarray | 0x90..0x9F - array | *size*: 16..65535 | array 16 | 0xDC - array | *size*: 65536..4294967295 | array 32 | 0xDD - object | *size*: 0..15 | fix map | 0x80..0x8F - object | *size*: 16..65535 | map 16 | 0xDE - object | *size*: 65536..4294967295 | map 32 | 0xDF - binary | *size*: 0..255 | bin 8 | 0xC4 - binary | *size*: 256..65535 | bin 16 | 0xC5 - binary | *size*: 65536..4294967295 | bin 32 | 0xC6 - - @note The mapping is **complete** in the sense that any JSON value type - can be converted to a MessagePack value. - - @note The following values can **not** be converted to a MessagePack value: - - strings with more than 4294967295 bytes - - byte strings with more than 4294967295 bytes - - arrays with more than 4294967295 elements - - objects with more than 4294967295 elements - - @note Any MessagePack output created @ref to_msgpack can be successfully - parsed by @ref from_msgpack. - - @note If NaN or Infinity are stored inside a JSON number, they are - serialized properly. This behavior differs from the @ref dump() - function which serializes NaN or Infinity to `null`. - - @param[in] j JSON value to serialize - @return MessagePack serialization as byte vector - - @complexity Linear in the size of the JSON value @a j. - - @liveexample{The example shows the serialization of a JSON value to a byte - vector in MessagePack format.,to_msgpack} - - @sa http://msgpack.org - @sa @ref from_msgpack for the analogous deserialization - @sa @ref to_cbor(const basic_json& for the related CBOR format - @sa @ref to_ubjson(const basic_json&, const bool, const bool) for the - related UBJSON format - - @since version 2.0.9 - */ - static std::vector to_msgpack(const basic_json& j) - { - std::vector result; - to_msgpack(j, result); - return result; - } - - static void to_msgpack(const basic_json& j, detail::output_adapter o) - { - binary_writer(o).write_msgpack(j); - } - - static void to_msgpack(const basic_json& j, detail::output_adapter o) - { - binary_writer(o).write_msgpack(j); - } - - /*! - @brief create a UBJSON serialization of a given JSON value - - Serializes a given JSON value @a j to a byte vector using the UBJSON - (Universal Binary JSON) serialization format. UBJSON aims to be more compact - than JSON itself, yet more efficient to parse. - - The library uses the following mapping from JSON values types to - UBJSON types according to the UBJSON specification: - - JSON value type | value/range | UBJSON type | marker - --------------- | --------------------------------- | ----------- | ------ - null | `null` | null | `Z` - boolean | `true` | true | `T` - boolean | `false` | false | `F` - number_integer | -9223372036854775808..-2147483649 | int64 | `L` - number_integer | -2147483648..-32769 | int32 | `l` - number_integer | -32768..-129 | int16 | `I` - number_integer | -128..127 | int8 | `i` - number_integer | 128..255 | uint8 | `U` - number_integer | 256..32767 | int16 | `I` - number_integer | 32768..2147483647 | int32 | `l` - number_integer | 2147483648..9223372036854775807 | int64 | `L` - number_unsigned | 0..127 | int8 | `i` - number_unsigned | 128..255 | uint8 | `U` - number_unsigned | 256..32767 | int16 | `I` - number_unsigned | 32768..2147483647 | int32 | `l` - number_unsigned | 2147483648..9223372036854775807 | int64 | `L` - number_unsigned | 2147483649..18446744073709551615 | high-precision | `H` - number_float | *any value* | float64 | `D` - string | *with shortest length indicator* | string | `S` - array | *see notes on optimized format* | array | `[` - object | *see notes on optimized format* | map | `{` - - @note The mapping is **complete** in the sense that any JSON value type - can be converted to a UBJSON value. - - @note The following values can **not** be converted to a UBJSON value: - - strings with more than 9223372036854775807 bytes (theoretical) - - @note The following markers are not used in the conversion: - - `Z`: no-op values are not created. - - `C`: single-byte strings are serialized with `S` markers. - - @note Any UBJSON output created @ref to_ubjson can be successfully parsed - by @ref from_ubjson. - - @note If NaN or Infinity are stored inside a JSON number, they are - serialized properly. This behavior differs from the @ref dump() - function which serializes NaN or Infinity to `null`. - - @note The optimized formats for containers are supported: Parameter - @a use_size adds size information to the beginning of a container and - removes the closing marker. Parameter @a use_type further checks - whether all elements of a container have the same type and adds the - type marker to the beginning of the container. The @a use_type - parameter must only be used together with @a use_size = true. Note - that @a use_size = true alone may result in larger representations - - the benefit of this parameter is that the receiving side is - immediately informed on the number of elements of the container. - - @note If the JSON data contains the binary type, the value stored is a list - of integers, as suggested by the UBJSON documentation. In particular, - this means that serialization and the deserialization of a JSON - containing binary values into UBJSON and back will result in a - different JSON object. - - @param[in] j JSON value to serialize - @param[in] use_size whether to add size annotations to container types - @param[in] use_type whether to add type annotations to container types - (must be combined with @a use_size = true) - @return UBJSON serialization as byte vector - - @complexity Linear in the size of the JSON value @a j. - - @liveexample{The example shows the serialization of a JSON value to a byte - vector in UBJSON format.,to_ubjson} - - @sa http://ubjson.org - @sa @ref from_ubjson(detail::input_adapter&&, const bool, const bool) for the - analogous deserialization - @sa @ref to_cbor(const basic_json& for the related CBOR format - @sa @ref to_msgpack(const basic_json&) for the related MessagePack format - - @since version 3.1.0 - */ - static std::vector to_ubjson(const basic_json& j, - const bool use_size = false, - const bool use_type = false) - { - std::vector result; - to_ubjson(j, result, use_size, use_type); - return result; - } - - static void to_ubjson(const basic_json& j, detail::output_adapter o, - const bool use_size = false, const bool use_type = false) - { - binary_writer(o).write_ubjson(j, use_size, use_type); - } - - static void to_ubjson(const basic_json& j, detail::output_adapter o, - const bool use_size = false, const bool use_type = false) - { - binary_writer(o).write_ubjson(j, use_size, use_type); - } - - - /*! - @brief Serializes the given JSON object `j` to BSON and returns a vector - containing the corresponding BSON-representation. - - BSON (Binary JSON) is a binary format in which zero or more ordered key/value pairs are - stored as a single entity (a so-called document). - - The library uses the following mapping from JSON values types to BSON types: - - JSON value type | value/range | BSON type | marker - --------------- | --------------------------------- | ----------- | ------ - null | `null` | null | 0x0A - boolean | `true`, `false` | boolean | 0x08 - number_integer | -9223372036854775808..-2147483649 | int64 | 0x12 - number_integer | -2147483648..2147483647 | int32 | 0x10 - number_integer | 2147483648..9223372036854775807 | int64 | 0x12 - number_unsigned | 0..2147483647 | int32 | 0x10 - number_unsigned | 2147483648..9223372036854775807 | int64 | 0x12 - number_unsigned | 9223372036854775808..18446744073709551615| -- | -- - number_float | *any value* | double | 0x01 - string | *any value* | string | 0x02 - array | *any value* | document | 0x04 - object | *any value* | document | 0x03 - binary | *any value* | binary | 0x05 - - @warning The mapping is **incomplete**, since only JSON-objects (and things - contained therein) can be serialized to BSON. - Also, integers larger than 9223372036854775807 cannot be serialized to BSON, - and the keys may not contain U+0000, since they are serialized a - zero-terminated c-strings. - - @throw out_of_range.407 if `j.is_number_unsigned() && j.get() > 9223372036854775807` - @throw out_of_range.409 if a key in `j` contains a NULL (U+0000) - @throw type_error.317 if `!j.is_object()` - - @pre The input `j` is required to be an object: `j.is_object() == true`. - - @note Any BSON output created via @ref to_bson can be successfully parsed - by @ref from_bson. - - @param[in] j JSON value to serialize - @return BSON serialization as byte vector - - @complexity Linear in the size of the JSON value @a j. - - @liveexample{The example shows the serialization of a JSON value to a byte - vector in BSON format.,to_bson} - - @sa http://bsonspec.org/spec.html - @sa @ref from_bson(detail::input_adapter&&, const bool strict) for the - analogous deserialization - @sa @ref to_ubjson(const basic_json&, const bool, const bool) for the - related UBJSON format - @sa @ref to_cbor(const basic_json&) for the related CBOR format - @sa @ref to_msgpack(const basic_json&) for the related MessagePack format - */ - static std::vector to_bson(const basic_json& j) - { - std::vector result; - to_bson(j, result); - return result; - } - - /*! - @brief Serializes the given JSON object `j` to BSON and forwards the - corresponding BSON-representation to the given output_adapter `o`. - @param j The JSON object to convert to BSON. - @param o The output adapter that receives the binary BSON representation. - @pre The input `j` shall be an object: `j.is_object() == true` - @sa @ref to_bson(const basic_json&) - */ - static void to_bson(const basic_json& j, detail::output_adapter o) - { - binary_writer(o).write_bson(j); - } - - /*! - @copydoc to_bson(const basic_json&, detail::output_adapter) - */ - static void to_bson(const basic_json& j, detail::output_adapter o) - { - binary_writer(o).write_bson(j); - } - - - /*! - @brief create a JSON value from an input in CBOR format - - Deserializes a given input @a i to a JSON value using the CBOR (Concise - Binary Object Representation) serialization format. - - The library maps CBOR types to JSON value types as follows: - - CBOR type | JSON value type | first byte - ---------------------- | --------------- | ---------- - Integer | number_unsigned | 0x00..0x17 - Unsigned integer | number_unsigned | 0x18 - Unsigned integer | number_unsigned | 0x19 - Unsigned integer | number_unsigned | 0x1A - Unsigned integer | number_unsigned | 0x1B - Negative integer | number_integer | 0x20..0x37 - Negative integer | number_integer | 0x38 - Negative integer | number_integer | 0x39 - Negative integer | number_integer | 0x3A - Negative integer | number_integer | 0x3B - Byte string | binary | 0x40..0x57 - Byte string | binary | 0x58 - Byte string | binary | 0x59 - Byte string | binary | 0x5A - Byte string | binary | 0x5B - UTF-8 string | string | 0x60..0x77 - UTF-8 string | string | 0x78 - UTF-8 string | string | 0x79 - UTF-8 string | string | 0x7A - UTF-8 string | string | 0x7B - UTF-8 string | string | 0x7F - array | array | 0x80..0x97 - array | array | 0x98 - array | array | 0x99 - array | array | 0x9A - array | array | 0x9B - array | array | 0x9F - map | object | 0xA0..0xB7 - map | object | 0xB8 - map | object | 0xB9 - map | object | 0xBA - map | object | 0xBB - map | object | 0xBF - False | `false` | 0xF4 - True | `true` | 0xF5 - Null | `null` | 0xF6 - Half-Precision Float | number_float | 0xF9 - Single-Precision Float | number_float | 0xFA - Double-Precision Float | number_float | 0xFB - - @warning The mapping is **incomplete** in the sense that not all CBOR - types can be converted to a JSON value. The following CBOR types - are not supported and will yield parse errors (parse_error.112): - - date/time (0xC0..0xC1) - - bignum (0xC2..0xC3) - - decimal fraction (0xC4) - - bigfloat (0xC5) - - expected conversions (0xD5..0xD7) - - simple values (0xE0..0xF3, 0xF8) - - undefined (0xF7) - - @warning CBOR allows map keys of any type, whereas JSON only allows - strings as keys in object values. Therefore, CBOR maps with keys - other than UTF-8 strings are rejected (parse_error.113). - - @note Any CBOR output created @ref to_cbor can be successfully parsed by - @ref from_cbor. - - @param[in] i an input in CBOR format convertible to an input adapter - @param[in] strict whether to expect the input to be consumed until EOF - (true by default) - @param[in] allow_exceptions whether to throw exceptions in case of a - parse error (optional, true by default) - @param[in] tag_handler how to treat CBOR tags (optional, error by default) - - @return deserialized JSON value; in case of a parse error and - @a allow_exceptions set to `false`, the return value will be - value_t::discarded. - - @throw parse_error.110 if the given input ends prematurely or the end of - file was not reached when @a strict was set to true - @throw parse_error.112 if unsupported features from CBOR were - used in the given input @a v or if the input is not valid CBOR - @throw parse_error.113 if a string was expected as map key, but not found - - @complexity Linear in the size of the input @a i. - - @liveexample{The example shows the deserialization of a byte vector in CBOR - format to a JSON value.,from_cbor} - - @sa http://cbor.io - @sa @ref to_cbor(const basic_json&) for the analogous serialization - @sa @ref from_msgpack(detail::input_adapter&&, const bool, const bool) for the - related MessagePack format - @sa @ref from_ubjson(detail::input_adapter&&, const bool, const bool) for the - related UBJSON format - - @since version 2.0.9; parameter @a start_index since 2.1.1; changed to - consume input adapters, removed start_index parameter, and added - @a strict parameter since 3.0.0; added @a allow_exceptions parameter - since 3.2.0; added @a tag_handler parameter since 3.9.0. - */ - template - JSON_HEDLEY_WARN_UNUSED_RESULT - static basic_json from_cbor(InputType&& i, - const bool strict = true, - const bool allow_exceptions = true, - const cbor_tag_handler_t tag_handler = cbor_tag_handler_t::error) - { - basic_json result; - detail::json_sax_dom_parser sdp(result, allow_exceptions); - auto ia = detail::input_adapter(std::forward(i)); - const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::cbor, &sdp, strict, tag_handler); - return res ? result : basic_json(value_t::discarded); - } - - /*! - @copydoc from_cbor(detail::input_adapter&&, const bool, const bool, const cbor_tag_handler_t) - */ - template - JSON_HEDLEY_WARN_UNUSED_RESULT - static basic_json from_cbor(IteratorType first, IteratorType last, - const bool strict = true, - const bool allow_exceptions = true, - const cbor_tag_handler_t tag_handler = cbor_tag_handler_t::error) - { - basic_json result; - detail::json_sax_dom_parser sdp(result, allow_exceptions); - auto ia = detail::input_adapter(std::move(first), std::move(last)); - const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::cbor, &sdp, strict, tag_handler); - return res ? result : basic_json(value_t::discarded); - } - - template - JSON_HEDLEY_WARN_UNUSED_RESULT - JSON_HEDLEY_DEPRECATED_FOR(3.8.0, from_cbor(ptr, ptr + len)) - static basic_json from_cbor(const T* ptr, std::size_t len, - const bool strict = true, - const bool allow_exceptions = true, - const cbor_tag_handler_t tag_handler = cbor_tag_handler_t::error) - { - return from_cbor(ptr, ptr + len, strict, allow_exceptions, tag_handler); - } - - - JSON_HEDLEY_WARN_UNUSED_RESULT - JSON_HEDLEY_DEPRECATED_FOR(3.8.0, from_cbor(ptr, ptr + len)) - static basic_json from_cbor(detail::span_input_adapter&& i, - const bool strict = true, - const bool allow_exceptions = true, - const cbor_tag_handler_t tag_handler = cbor_tag_handler_t::error) - { - basic_json result; - detail::json_sax_dom_parser sdp(result, allow_exceptions); - auto ia = i.get(); - const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::cbor, &sdp, strict, tag_handler); - return res ? result : basic_json(value_t::discarded); - } - - /*! - @brief create a JSON value from an input in MessagePack format - - Deserializes a given input @a i to a JSON value using the MessagePack - serialization format. - - The library maps MessagePack types to JSON value types as follows: - - MessagePack type | JSON value type | first byte - ---------------- | --------------- | ---------- - positive fixint | number_unsigned | 0x00..0x7F - fixmap | object | 0x80..0x8F - fixarray | array | 0x90..0x9F - fixstr | string | 0xA0..0xBF - nil | `null` | 0xC0 - false | `false` | 0xC2 - true | `true` | 0xC3 - float 32 | number_float | 0xCA - float 64 | number_float | 0xCB - uint 8 | number_unsigned | 0xCC - uint 16 | number_unsigned | 0xCD - uint 32 | number_unsigned | 0xCE - uint 64 | number_unsigned | 0xCF - int 8 | number_integer | 0xD0 - int 16 | number_integer | 0xD1 - int 32 | number_integer | 0xD2 - int 64 | number_integer | 0xD3 - str 8 | string | 0xD9 - str 16 | string | 0xDA - str 32 | string | 0xDB - array 16 | array | 0xDC - array 32 | array | 0xDD - map 16 | object | 0xDE - map 32 | object | 0xDF - bin 8 | binary | 0xC4 - bin 16 | binary | 0xC5 - bin 32 | binary | 0xC6 - ext 8 | binary | 0xC7 - ext 16 | binary | 0xC8 - ext 32 | binary | 0xC9 - fixext 1 | binary | 0xD4 - fixext 2 | binary | 0xD5 - fixext 4 | binary | 0xD6 - fixext 8 | binary | 0xD7 - fixext 16 | binary | 0xD8 - negative fixint | number_integer | 0xE0-0xFF - - @note Any MessagePack output created @ref to_msgpack can be successfully - parsed by @ref from_msgpack. - - @param[in] i an input in MessagePack format convertible to an input - adapter - @param[in] strict whether to expect the input to be consumed until EOF - (true by default) - @param[in] allow_exceptions whether to throw exceptions in case of a - parse error (optional, true by default) - - @return deserialized JSON value; in case of a parse error and - @a allow_exceptions set to `false`, the return value will be - value_t::discarded. - - @throw parse_error.110 if the given input ends prematurely or the end of - file was not reached when @a strict was set to true - @throw parse_error.112 if unsupported features from MessagePack were - used in the given input @a i or if the input is not valid MessagePack - @throw parse_error.113 if a string was expected as map key, but not found - - @complexity Linear in the size of the input @a i. - - @liveexample{The example shows the deserialization of a byte vector in - MessagePack format to a JSON value.,from_msgpack} - - @sa http://msgpack.org - @sa @ref to_msgpack(const basic_json&) for the analogous serialization - @sa @ref from_cbor(detail::input_adapter&&, const bool, const bool, const cbor_tag_handler_t) for the - related CBOR format - @sa @ref from_ubjson(detail::input_adapter&&, const bool, const bool) for - the related UBJSON format - @sa @ref from_bson(detail::input_adapter&&, const bool, const bool) for - the related BSON format - - @since version 2.0.9; parameter @a start_index since 2.1.1; changed to - consume input adapters, removed start_index parameter, and added - @a strict parameter since 3.0.0; added @a allow_exceptions parameter - since 3.2.0 - */ - template - JSON_HEDLEY_WARN_UNUSED_RESULT - static basic_json from_msgpack(InputType&& i, - const bool strict = true, - const bool allow_exceptions = true) - { - basic_json result; - detail::json_sax_dom_parser sdp(result, allow_exceptions); - auto ia = detail::input_adapter(std::forward(i)); - const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::msgpack, &sdp, strict); - return res ? result : basic_json(value_t::discarded); - } - - /*! - @copydoc from_msgpack(detail::input_adapter&&, const bool, const bool) - */ - template - JSON_HEDLEY_WARN_UNUSED_RESULT - static basic_json from_msgpack(IteratorType first, IteratorType last, - const bool strict = true, - const bool allow_exceptions = true) - { - basic_json result; - detail::json_sax_dom_parser sdp(result, allow_exceptions); - auto ia = detail::input_adapter(std::move(first), std::move(last)); - const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::msgpack, &sdp, strict); - return res ? result : basic_json(value_t::discarded); - } - - - template - JSON_HEDLEY_WARN_UNUSED_RESULT - JSON_HEDLEY_DEPRECATED_FOR(3.8.0, from_msgpack(ptr, ptr + len)) - static basic_json from_msgpack(const T* ptr, std::size_t len, - const bool strict = true, - const bool allow_exceptions = true) - { - return from_msgpack(ptr, ptr + len, strict, allow_exceptions); - } - - JSON_HEDLEY_WARN_UNUSED_RESULT - JSON_HEDLEY_DEPRECATED_FOR(3.8.0, from_msgpack(ptr, ptr + len)) - static basic_json from_msgpack(detail::span_input_adapter&& i, - const bool strict = true, - const bool allow_exceptions = true) - { - basic_json result; - detail::json_sax_dom_parser sdp(result, allow_exceptions); - auto ia = i.get(); - const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::msgpack, &sdp, strict); - return res ? result : basic_json(value_t::discarded); - } - - - /*! - @brief create a JSON value from an input in UBJSON format - - Deserializes a given input @a i to a JSON value using the UBJSON (Universal - Binary JSON) serialization format. - - The library maps UBJSON types to JSON value types as follows: - - UBJSON type | JSON value type | marker - ----------- | --------------------------------------- | ------ - no-op | *no value, next value is read* | `N` - null | `null` | `Z` - false | `false` | `F` - true | `true` | `T` - float32 | number_float | `d` - float64 | number_float | `D` - uint8 | number_unsigned | `U` - int8 | number_integer | `i` - int16 | number_integer | `I` - int32 | number_integer | `l` - int64 | number_integer | `L` - high-precision number | number_integer, number_unsigned, or number_float - depends on number string | 'H' - string | string | `S` - char | string | `C` - array | array (optimized values are supported) | `[` - object | object (optimized values are supported) | `{` - - @note The mapping is **complete** in the sense that any UBJSON value can - be converted to a JSON value. - - @param[in] i an input in UBJSON format convertible to an input adapter - @param[in] strict whether to expect the input to be consumed until EOF - (true by default) - @param[in] allow_exceptions whether to throw exceptions in case of a - parse error (optional, true by default) - - @return deserialized JSON value; in case of a parse error and - @a allow_exceptions set to `false`, the return value will be - value_t::discarded. - - @throw parse_error.110 if the given input ends prematurely or the end of - file was not reached when @a strict was set to true - @throw parse_error.112 if a parse error occurs - @throw parse_error.113 if a string could not be parsed successfully - - @complexity Linear in the size of the input @a i. - - @liveexample{The example shows the deserialization of a byte vector in - UBJSON format to a JSON value.,from_ubjson} - - @sa http://ubjson.org - @sa @ref to_ubjson(const basic_json&, const bool, const bool) for the - analogous serialization - @sa @ref from_cbor(detail::input_adapter&&, const bool, const bool, const cbor_tag_handler_t) for the - related CBOR format - @sa @ref from_msgpack(detail::input_adapter&&, const bool, const bool) for - the related MessagePack format - @sa @ref from_bson(detail::input_adapter&&, const bool, const bool) for - the related BSON format - - @since version 3.1.0; added @a allow_exceptions parameter since 3.2.0 - */ - template - JSON_HEDLEY_WARN_UNUSED_RESULT - static basic_json from_ubjson(InputType&& i, - const bool strict = true, - const bool allow_exceptions = true) - { - basic_json result; - detail::json_sax_dom_parser sdp(result, allow_exceptions); - auto ia = detail::input_adapter(std::forward(i)); - const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::ubjson, &sdp, strict); - return res ? result : basic_json(value_t::discarded); - } - - /*! - @copydoc from_ubjson(detail::input_adapter&&, const bool, const bool) - */ - template - JSON_HEDLEY_WARN_UNUSED_RESULT - static basic_json from_ubjson(IteratorType first, IteratorType last, - const bool strict = true, - const bool allow_exceptions = true) - { - basic_json result; - detail::json_sax_dom_parser sdp(result, allow_exceptions); - auto ia = detail::input_adapter(std::move(first), std::move(last)); - const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::ubjson, &sdp, strict); - return res ? result : basic_json(value_t::discarded); - } - - template - JSON_HEDLEY_WARN_UNUSED_RESULT - JSON_HEDLEY_DEPRECATED_FOR(3.8.0, from_ubjson(ptr, ptr + len)) - static basic_json from_ubjson(const T* ptr, std::size_t len, - const bool strict = true, - const bool allow_exceptions = true) - { - return from_ubjson(ptr, ptr + len, strict, allow_exceptions); - } - - JSON_HEDLEY_WARN_UNUSED_RESULT - JSON_HEDLEY_DEPRECATED_FOR(3.8.0, from_ubjson(ptr, ptr + len)) - static basic_json from_ubjson(detail::span_input_adapter&& i, - const bool strict = true, - const bool allow_exceptions = true) - { - basic_json result; - detail::json_sax_dom_parser sdp(result, allow_exceptions); - auto ia = i.get(); - const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::ubjson, &sdp, strict); - return res ? result : basic_json(value_t::discarded); - } - - - /*! - @brief Create a JSON value from an input in BSON format - - Deserializes a given input @a i to a JSON value using the BSON (Binary JSON) - serialization format. - - The library maps BSON record types to JSON value types as follows: - - BSON type | BSON marker byte | JSON value type - --------------- | ---------------- | --------------------------- - double | 0x01 | number_float - string | 0x02 | string - document | 0x03 | object - array | 0x04 | array - binary | 0x05 | still unsupported - undefined | 0x06 | still unsupported - ObjectId | 0x07 | still unsupported - boolean | 0x08 | boolean - UTC Date-Time | 0x09 | still unsupported - null | 0x0A | null - Regular Expr. | 0x0B | still unsupported - DB Pointer | 0x0C | still unsupported - JavaScript Code | 0x0D | still unsupported - Symbol | 0x0E | still unsupported - JavaScript Code | 0x0F | still unsupported - int32 | 0x10 | number_integer - Timestamp | 0x11 | still unsupported - 128-bit decimal float | 0x13 | still unsupported - Max Key | 0x7F | still unsupported - Min Key | 0xFF | still unsupported - - @warning The mapping is **incomplete**. The unsupported mappings - are indicated in the table above. - - @param[in] i an input in BSON format convertible to an input adapter - @param[in] strict whether to expect the input to be consumed until EOF - (true by default) - @param[in] allow_exceptions whether to throw exceptions in case of a - parse error (optional, true by default) - - @return deserialized JSON value; in case of a parse error and - @a allow_exceptions set to `false`, the return value will be - value_t::discarded. - - @throw parse_error.114 if an unsupported BSON record type is encountered - - @complexity Linear in the size of the input @a i. - - @liveexample{The example shows the deserialization of a byte vector in - BSON format to a JSON value.,from_bson} - - @sa http://bsonspec.org/spec.html - @sa @ref to_bson(const basic_json&) for the analogous serialization - @sa @ref from_cbor(detail::input_adapter&&, const bool, const bool, const cbor_tag_handler_t) for the - related CBOR format - @sa @ref from_msgpack(detail::input_adapter&&, const bool, const bool) for - the related MessagePack format - @sa @ref from_ubjson(detail::input_adapter&&, const bool, const bool) for the - related UBJSON format - */ - template - JSON_HEDLEY_WARN_UNUSED_RESULT - static basic_json from_bson(InputType&& i, - const bool strict = true, - const bool allow_exceptions = true) - { - basic_json result; - detail::json_sax_dom_parser sdp(result, allow_exceptions); - auto ia = detail::input_adapter(std::forward(i)); - const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::bson, &sdp, strict); - return res ? result : basic_json(value_t::discarded); - } - - /*! - @copydoc from_bson(detail::input_adapter&&, const bool, const bool) - */ - template - JSON_HEDLEY_WARN_UNUSED_RESULT - static basic_json from_bson(IteratorType first, IteratorType last, - const bool strict = true, - const bool allow_exceptions = true) - { - basic_json result; - detail::json_sax_dom_parser sdp(result, allow_exceptions); - auto ia = detail::input_adapter(std::move(first), std::move(last)); - const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::bson, &sdp, strict); - return res ? result : basic_json(value_t::discarded); - } - - template - JSON_HEDLEY_WARN_UNUSED_RESULT - JSON_HEDLEY_DEPRECATED_FOR(3.8.0, from_bson(ptr, ptr + len)) - static basic_json from_bson(const T* ptr, std::size_t len, - const bool strict = true, - const bool allow_exceptions = true) - { - return from_bson(ptr, ptr + len, strict, allow_exceptions); - } - - JSON_HEDLEY_WARN_UNUSED_RESULT - JSON_HEDLEY_DEPRECATED_FOR(3.8.0, from_bson(ptr, ptr + len)) - static basic_json from_bson(detail::span_input_adapter&& i, - const bool strict = true, - const bool allow_exceptions = true) - { - basic_json result; - detail::json_sax_dom_parser sdp(result, allow_exceptions); - auto ia = i.get(); - const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::bson, &sdp, strict); - return res ? result : basic_json(value_t::discarded); - } - /// @} - - ////////////////////////// - // JSON Pointer support // - ////////////////////////// - - /// @name JSON Pointer functions - /// @{ - - /*! - @brief access specified element via JSON Pointer - - Uses a JSON pointer to retrieve a reference to the respective JSON value. - No bound checking is performed. Similar to @ref operator[](const typename - object_t::key_type&), `null` values are created in arrays and objects if - necessary. - - In particular: - - If the JSON pointer points to an object key that does not exist, it - is created an filled with a `null` value before a reference to it - is returned. - - If the JSON pointer points to an array index that does not exist, it - is created an filled with a `null` value before a reference to it - is returned. All indices between the current maximum and the given - index are also filled with `null`. - - The special value `-` is treated as a synonym for the index past the - end. - - @param[in] ptr a JSON pointer - - @return reference to the element pointed to by @a ptr - - @complexity Constant. - - @throw parse_error.106 if an array index begins with '0' - @throw parse_error.109 if an array index was not a number - @throw out_of_range.404 if the JSON pointer can not be resolved - - @liveexample{The behavior is shown in the example.,operatorjson_pointer} - - @since version 2.0.0 - */ - reference operator[](const json_pointer& ptr) - { - return ptr.get_unchecked(this); - } - - /*! - @brief access specified element via JSON Pointer - - Uses a JSON pointer to retrieve a reference to the respective JSON value. - No bound checking is performed. The function does not change the JSON - value; no `null` values are created. In particular, the special value - `-` yields an exception. - - @param[in] ptr JSON pointer to the desired element - - @return const reference to the element pointed to by @a ptr - - @complexity Constant. - - @throw parse_error.106 if an array index begins with '0' - @throw parse_error.109 if an array index was not a number - @throw out_of_range.402 if the array index '-' is used - @throw out_of_range.404 if the JSON pointer can not be resolved - - @liveexample{The behavior is shown in the example.,operatorjson_pointer_const} - - @since version 2.0.0 - */ - const_reference operator[](const json_pointer& ptr) const - { - return ptr.get_unchecked(this); - } - - /*! - @brief access specified element via JSON Pointer - - Returns a reference to the element at with specified JSON pointer @a ptr, - with bounds checking. - - @param[in] ptr JSON pointer to the desired element - - @return reference to the element pointed to by @a ptr - - @throw parse_error.106 if an array index in the passed JSON pointer @a ptr - begins with '0'. See example below. - - @throw parse_error.109 if an array index in the passed JSON pointer @a ptr - is not a number. See example below. - - @throw out_of_range.401 if an array index in the passed JSON pointer @a ptr - is out of range. See example below. - - @throw out_of_range.402 if the array index '-' is used in the passed JSON - pointer @a ptr. As `at` provides checked access (and no elements are - implicitly inserted), the index '-' is always invalid. See example below. - - @throw out_of_range.403 if the JSON pointer describes a key of an object - which cannot be found. See example below. - - @throw out_of_range.404 if the JSON pointer @a ptr can not be resolved. - See example below. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes in the JSON value. - - @complexity Constant. - - @since version 2.0.0 - - @liveexample{The behavior is shown in the example.,at_json_pointer} - */ - reference at(const json_pointer& ptr) - { - return ptr.get_checked(this); - } - - /*! - @brief access specified element via JSON Pointer - - Returns a const reference to the element at with specified JSON pointer @a - ptr, with bounds checking. - - @param[in] ptr JSON pointer to the desired element - - @return reference to the element pointed to by @a ptr - - @throw parse_error.106 if an array index in the passed JSON pointer @a ptr - begins with '0'. See example below. - - @throw parse_error.109 if an array index in the passed JSON pointer @a ptr - is not a number. See example below. - - @throw out_of_range.401 if an array index in the passed JSON pointer @a ptr - is out of range. See example below. - - @throw out_of_range.402 if the array index '-' is used in the passed JSON - pointer @a ptr. As `at` provides checked access (and no elements are - implicitly inserted), the index '-' is always invalid. See example below. - - @throw out_of_range.403 if the JSON pointer describes a key of an object - which cannot be found. See example below. - - @throw out_of_range.404 if the JSON pointer @a ptr can not be resolved. - See example below. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes in the JSON value. - - @complexity Constant. - - @since version 2.0.0 - - @liveexample{The behavior is shown in the example.,at_json_pointer_const} - */ - const_reference at(const json_pointer& ptr) const - { - return ptr.get_checked(this); - } - - /*! - @brief return flattened JSON value - - The function creates a JSON object whose keys are JSON pointers (see [RFC - 6901](https://tools.ietf.org/html/rfc6901)) and whose values are all - primitive. The original JSON value can be restored using the @ref - unflatten() function. - - @return an object that maps JSON pointers to primitive values - - @note Empty objects and arrays are flattened to `null` and will not be - reconstructed correctly by the @ref unflatten() function. - - @complexity Linear in the size the JSON value. - - @liveexample{The following code shows how a JSON object is flattened to an - object whose keys consist of JSON pointers.,flatten} - - @sa @ref unflatten() for the reverse function - - @since version 2.0.0 - */ - basic_json flatten() const - { - basic_json result(value_t::object); - json_pointer::flatten("", *this, result); - return result; - } - - /*! - @brief unflatten a previously flattened JSON value - - The function restores the arbitrary nesting of a JSON value that has been - flattened before using the @ref flatten() function. The JSON value must - meet certain constraints: - 1. The value must be an object. - 2. The keys must be JSON pointers (see - [RFC 6901](https://tools.ietf.org/html/rfc6901)) - 3. The mapped values must be primitive JSON types. - - @return the original JSON from a flattened version - - @note Empty objects and arrays are flattened by @ref flatten() to `null` - values and can not unflattened to their original type. Apart from - this example, for a JSON value `j`, the following is always true: - `j == j.flatten().unflatten()`. - - @complexity Linear in the size the JSON value. - - @throw type_error.314 if value is not an object - @throw type_error.315 if object values are not primitive - - @liveexample{The following code shows how a flattened JSON object is - unflattened into the original nested JSON object.,unflatten} - - @sa @ref flatten() for the reverse function - - @since version 2.0.0 - */ - basic_json unflatten() const - { - return json_pointer::unflatten(*this); - } - - /// @} - - ////////////////////////// - // JSON Patch functions // - ////////////////////////// - - /// @name JSON Patch functions - /// @{ - - /*! - @brief applies a JSON patch - - [JSON Patch](http://jsonpatch.com) defines a JSON document structure for - expressing a sequence of operations to apply to a JSON) document. With - this function, a JSON Patch is applied to the current JSON value by - executing all operations from the patch. - - @param[in] json_patch JSON patch document - @return patched document - - @note The application of a patch is atomic: Either all operations succeed - and the patched document is returned or an exception is thrown. In - any case, the original value is not changed: the patch is applied - to a copy of the value. - - @throw parse_error.104 if the JSON patch does not consist of an array of - objects - - @throw parse_error.105 if the JSON patch is malformed (e.g., mandatory - attributes are missing); example: `"operation add must have member path"` - - @throw out_of_range.401 if an array index is out of range. - - @throw out_of_range.403 if a JSON pointer inside the patch could not be - resolved successfully in the current JSON value; example: `"key baz not - found"` - - @throw out_of_range.405 if JSON pointer has no parent ("add", "remove", - "move") - - @throw other_error.501 if "test" operation was unsuccessful - - @complexity Linear in the size of the JSON value and the length of the - JSON patch. As usually only a fraction of the JSON value is affected by - the patch, the complexity can usually be neglected. - - @liveexample{The following code shows how a JSON patch is applied to a - value.,patch} - - @sa @ref diff -- create a JSON patch by comparing two JSON values - - @sa [RFC 6902 (JSON Patch)](https://tools.ietf.org/html/rfc6902) - @sa [RFC 6901 (JSON Pointer)](https://tools.ietf.org/html/rfc6901) - - @since version 2.0.0 - */ - basic_json patch(const basic_json& json_patch) const - { - // make a working copy to apply the patch to - basic_json result = *this; - - // the valid JSON Patch operations - enum class patch_operations {add, remove, replace, move, copy, test, invalid}; - - const auto get_op = [](const std::string & op) - { - if (op == "add") - { - return patch_operations::add; - } - if (op == "remove") - { - return patch_operations::remove; - } - if (op == "replace") - { - return patch_operations::replace; - } - if (op == "move") - { - return patch_operations::move; - } - if (op == "copy") - { - return patch_operations::copy; - } - if (op == "test") - { - return patch_operations::test; - } - - return patch_operations::invalid; - }; - - // wrapper for "add" operation; add value at ptr - const auto operation_add = [&result](json_pointer & ptr, basic_json val) - { - // adding to the root of the target document means replacing it - if (ptr.empty()) - { - result = val; - return; - } - - // make sure the top element of the pointer exists - json_pointer top_pointer = ptr.top(); - if (top_pointer != ptr) - { - result.at(top_pointer); - } - - // get reference to parent of JSON pointer ptr - const auto last_path = ptr.back(); - ptr.pop_back(); - basic_json& parent = result[ptr]; - - switch (parent.m_type) - { - case value_t::null: - case value_t::object: - { - // use operator[] to add value - parent[last_path] = val; - break; - } - - case value_t::array: - { - if (last_path == "-") - { - // special case: append to back - parent.push_back(val); - } - else - { - const auto idx = json_pointer::array_index(last_path); - if (JSON_HEDLEY_UNLIKELY(idx > parent.size())) - { - // avoid undefined behavior - JSON_THROW(out_of_range::create(401, "array index " + std::to_string(idx) + " is out of range")); - } - - // default case: insert add offset - parent.insert(parent.begin() + static_cast(idx), val); - } - break; - } - - // if there exists a parent it cannot be primitive - default: // LCOV_EXCL_LINE - JSON_ASSERT(false); // LCOV_EXCL_LINE - } - }; - - // wrapper for "remove" operation; remove value at ptr - const auto operation_remove = [&result](json_pointer & ptr) - { - // get reference to parent of JSON pointer ptr - const auto last_path = ptr.back(); - ptr.pop_back(); - basic_json& parent = result.at(ptr); - - // remove child - if (parent.is_object()) - { - // perform range check - auto it = parent.find(last_path); - if (JSON_HEDLEY_LIKELY(it != parent.end())) - { - parent.erase(it); - } - else - { - JSON_THROW(out_of_range::create(403, "key '" + last_path + "' not found")); - } - } - else if (parent.is_array()) - { - // note erase performs range check - parent.erase(json_pointer::array_index(last_path)); - } - }; - - // type check: top level value must be an array - if (JSON_HEDLEY_UNLIKELY(!json_patch.is_array())) - { - JSON_THROW(parse_error::create(104, 0, "JSON patch must be an array of objects")); - } - - // iterate and apply the operations - for (const auto& val : json_patch) - { - // wrapper to get a value for an operation - const auto get_value = [&val](const std::string & op, - const std::string & member, - bool string_type) -> basic_json & - { - // find value - auto it = val.m_value.object->find(member); - - // context-sensitive error message - const auto error_msg = (op == "op") ? "operation" : "operation '" + op + "'"; - - // check if desired value is present - if (JSON_HEDLEY_UNLIKELY(it == val.m_value.object->end())) - { - JSON_THROW(parse_error::create(105, 0, error_msg + " must have member '" + member + "'")); - } - - // check if result is of type string - if (JSON_HEDLEY_UNLIKELY(string_type && !it->second.is_string())) - { - JSON_THROW(parse_error::create(105, 0, error_msg + " must have string member '" + member + "'")); - } - - // no error: return value - return it->second; - }; - - // type check: every element of the array must be an object - if (JSON_HEDLEY_UNLIKELY(!val.is_object())) - { - JSON_THROW(parse_error::create(104, 0, "JSON patch must be an array of objects")); - } - - // collect mandatory members - const auto op = get_value("op", "op", true).template get(); - const auto path = get_value(op, "path", true).template get(); - json_pointer ptr(path); - - switch (get_op(op)) - { - case patch_operations::add: - { - operation_add(ptr, get_value("add", "value", false)); - break; - } - - case patch_operations::remove: - { - operation_remove(ptr); - break; - } - - case patch_operations::replace: - { - // the "path" location must exist - use at() - result.at(ptr) = get_value("replace", "value", false); - break; - } - - case patch_operations::move: - { - const auto from_path = get_value("move", "from", true).template get(); - json_pointer from_ptr(from_path); - - // the "from" location must exist - use at() - basic_json v = result.at(from_ptr); - - // The move operation is functionally identical to a - // "remove" operation on the "from" location, followed - // immediately by an "add" operation at the target - // location with the value that was just removed. - operation_remove(from_ptr); - operation_add(ptr, v); - break; - } - - case patch_operations::copy: - { - const auto from_path = get_value("copy", "from", true).template get(); - const json_pointer from_ptr(from_path); - - // the "from" location must exist - use at() - basic_json v = result.at(from_ptr); - - // The copy is functionally identical to an "add" - // operation at the target location using the value - // specified in the "from" member. - operation_add(ptr, v); - break; - } - - case patch_operations::test: - { - bool success = false; - JSON_TRY - { - // check if "value" matches the one at "path" - // the "path" location must exist - use at() - success = (result.at(ptr) == get_value("test", "value", false)); - } - JSON_INTERNAL_CATCH (out_of_range&) - { - // ignore out of range errors: success remains false - } - - // throw an exception if test fails - if (JSON_HEDLEY_UNLIKELY(!success)) - { - JSON_THROW(other_error::create(501, "unsuccessful: " + val.dump())); - } - - break; - } - - default: - { - // op must be "add", "remove", "replace", "move", "copy", or - // "test" - JSON_THROW(parse_error::create(105, 0, "operation value '" + op + "' is invalid")); - } - } - } - - return result; - } - - /*! - @brief creates a diff as a JSON patch - - Creates a [JSON Patch](http://jsonpatch.com) so that value @a source can - be changed into the value @a target by calling @ref patch function. - - @invariant For two JSON values @a source and @a target, the following code - yields always `true`: - @code {.cpp} - source.patch(diff(source, target)) == target; - @endcode - - @note Currently, only `remove`, `add`, and `replace` operations are - generated. - - @param[in] source JSON value to compare from - @param[in] target JSON value to compare against - @param[in] path helper value to create JSON pointers - - @return a JSON patch to convert the @a source to @a target - - @complexity Linear in the lengths of @a source and @a target. - - @liveexample{The following code shows how a JSON patch is created as a - diff for two JSON values.,diff} - - @sa @ref patch -- apply a JSON patch - @sa @ref merge_patch -- apply a JSON Merge Patch - - @sa [RFC 6902 (JSON Patch)](https://tools.ietf.org/html/rfc6902) - - @since version 2.0.0 - */ - JSON_HEDLEY_WARN_UNUSED_RESULT - static basic_json diff(const basic_json& source, const basic_json& target, - const std::string& path = "") - { - // the patch - basic_json result(value_t::array); - - // if the values are the same, return empty patch - if (source == target) - { - return result; - } - - if (source.type() != target.type()) - { - // different types: replace value - result.push_back( - { - {"op", "replace"}, {"path", path}, {"value", target} - }); - return result; - } - - switch (source.type()) - { - case value_t::array: - { - // first pass: traverse common elements - std::size_t i = 0; - while (i < source.size() && i < target.size()) - { - // recursive call to compare array values at index i - auto temp_diff = diff(source[i], target[i], path + "/" + std::to_string(i)); - result.insert(result.end(), temp_diff.begin(), temp_diff.end()); - ++i; - } - - // i now reached the end of at least one array - // in a second pass, traverse the remaining elements - - // remove my remaining elements - const auto end_index = static_cast(result.size()); - while (i < source.size()) - { - // add operations in reverse order to avoid invalid - // indices - result.insert(result.begin() + end_index, object( - { - {"op", "remove"}, - {"path", path + "/" + std::to_string(i)} - })); - ++i; - } - - // add other remaining elements - while (i < target.size()) - { - result.push_back( - { - {"op", "add"}, - {"path", path + "/-"}, - {"value", target[i]} - }); - ++i; - } - - break; - } - - case value_t::object: - { - // first pass: traverse this object's elements - for (auto it = source.cbegin(); it != source.cend(); ++it) - { - // escape the key name to be used in a JSON patch - const auto key = json_pointer::escape(it.key()); - - if (target.find(it.key()) != target.end()) - { - // recursive call to compare object values at key it - auto temp_diff = diff(it.value(), target[it.key()], path + "/" + key); - result.insert(result.end(), temp_diff.begin(), temp_diff.end()); - } - else - { - // found a key that is not in o -> remove it - result.push_back(object( - { - {"op", "remove"}, {"path", path + "/" + key} - })); - } - } - - // second pass: traverse other object's elements - for (auto it = target.cbegin(); it != target.cend(); ++it) - { - if (source.find(it.key()) == source.end()) - { - // found a key that is not in this -> add it - const auto key = json_pointer::escape(it.key()); - result.push_back( - { - {"op", "add"}, {"path", path + "/" + key}, - {"value", it.value()} - }); - } - } - - break; - } - - default: - { - // both primitive type: replace value - result.push_back( - { - {"op", "replace"}, {"path", path}, {"value", target} - }); - break; - } - } - - return result; - } - - /// @} - - //////////////////////////////// - // JSON Merge Patch functions // - //////////////////////////////// - - /// @name JSON Merge Patch functions - /// @{ - - /*! - @brief applies a JSON Merge Patch - - The merge patch format is primarily intended for use with the HTTP PATCH - method as a means of describing a set of modifications to a target - resource's content. This function applies a merge patch to the current - JSON value. - - The function implements the following algorithm from Section 2 of - [RFC 7396 (JSON Merge Patch)](https://tools.ietf.org/html/rfc7396): - - ``` - define MergePatch(Target, Patch): - if Patch is an Object: - if Target is not an Object: - Target = {} // Ignore the contents and set it to an empty Object - for each Name/Value pair in Patch: - if Value is null: - if Name exists in Target: - remove the Name/Value pair from Target - else: - Target[Name] = MergePatch(Target[Name], Value) - return Target - else: - return Patch - ``` - - Thereby, `Target` is the current object; that is, the patch is applied to - the current value. - - @param[in] apply_patch the patch to apply - - @complexity Linear in the lengths of @a patch. - - @liveexample{The following code shows how a JSON Merge Patch is applied to - a JSON document.,merge_patch} - - @sa @ref patch -- apply a JSON patch - @sa [RFC 7396 (JSON Merge Patch)](https://tools.ietf.org/html/rfc7396) - - @since version 3.0.0 - */ - void merge_patch(const basic_json& apply_patch) - { - if (apply_patch.is_object()) - { - if (!is_object()) - { - *this = object(); - } - for (auto it = apply_patch.begin(); it != apply_patch.end(); ++it) - { - if (it.value().is_null()) - { - erase(it.key()); - } - else - { - operator[](it.key()).merge_patch(it.value()); - } - } - } - else - { - *this = apply_patch; - } - } - - /// @} -}; - -/*! -@brief user-defined to_string function for JSON values - -This function implements a user-defined to_string for JSON objects. - -@param[in] j a JSON object -@return a std::string object -*/ - -NLOHMANN_BASIC_JSON_TPL_DECLARATION -std::string to_string(const NLOHMANN_BASIC_JSON_TPL& j) -{ - return j.dump(); -} -} // namespace nlohmann - -/////////////////////// -// nonmember support // -/////////////////////// - -// specialization of std::swap, and std::hash -namespace std -{ - -/// hash value for JSON objects -template<> -struct hash -{ - /*! - @brief return a hash value for a JSON object - - @since version 1.0.0 - */ - std::size_t operator()(const nlohmann::json& j) const - { - return nlohmann::detail::hash(j); - } -}; - -/// specialization for std::less -/// @note: do not remove the space after '<', -/// see https://github.com/nlohmann/json/pull/679 -template<> -struct less<::nlohmann::detail::value_t> -{ - /*! - @brief compare two value_t enum values - @since version 3.0.0 - */ - bool operator()(nlohmann::detail::value_t lhs, - nlohmann::detail::value_t rhs) const noexcept - { - return nlohmann::detail::operator<(lhs, rhs); - } -}; - -// C++20 prohibit function specialization in the std namespace. -#ifndef JSON_HAS_CPP_20 - -/*! -@brief exchanges the values of two JSON objects - -@since version 1.0.0 -*/ -template<> -inline void swap(nlohmann::json& j1, nlohmann::json& j2) noexcept( - is_nothrow_move_constructible::value&& - is_nothrow_move_assignable::value - ) -{ - j1.swap(j2); -} - -#endif - -} // namespace std - -/*! -@brief user-defined string literal for JSON values - -This operator implements a user-defined string literal for JSON objects. It -can be used by adding `"_json"` to a string literal and returns a JSON object -if no parse error occurred. - -@param[in] s a string representation of a JSON object -@param[in] n the length of string @a s -@return a JSON object - -@since version 1.0.0 -*/ -JSON_HEDLEY_NON_NULL(1) -inline nlohmann::json operator "" _json(const char* s, std::size_t n) -{ - return nlohmann::json::parse(s, s + n); -} - -/*! -@brief user-defined string literal for JSON pointer - -This operator implements a user-defined string literal for JSON Pointers. It -can be used by adding `"_json_pointer"` to a string literal and returns a JSON pointer -object if no parse error occurred. - -@param[in] s a string representation of a JSON Pointer -@param[in] n the length of string @a s -@return a JSON pointer object - -@since version 2.0.0 -*/ -JSON_HEDLEY_NON_NULL(1) -inline nlohmann::json::json_pointer operator "" _json_pointer(const char* s, std::size_t n) -{ - return nlohmann::json::json_pointer(std::string(s, n)); -} - -// #include - - -// restore GCC/clang diagnostic settings -#if defined(__clang__) || defined(__GNUC__) || defined(__GNUG__) - #pragma GCC diagnostic pop -#endif -#if defined(__clang__) - #pragma GCC diagnostic pop -#endif - -// clean up -#undef JSON_ASSERT -#undef JSON_INTERNAL_CATCH -#undef JSON_CATCH -#undef JSON_THROW -#undef JSON_TRY -#undef JSON_HAS_CPP_14 -#undef JSON_HAS_CPP_17 -#undef NLOHMANN_BASIC_JSON_TPL_DECLARATION -#undef NLOHMANN_BASIC_JSON_TPL -#undef JSON_EXPLICIT - -// #include -#undef JSON_HEDLEY_ALWAYS_INLINE -#undef JSON_HEDLEY_ARM_VERSION -#undef JSON_HEDLEY_ARM_VERSION_CHECK -#undef JSON_HEDLEY_ARRAY_PARAM -#undef JSON_HEDLEY_ASSUME -#undef JSON_HEDLEY_BEGIN_C_DECLS -#undef JSON_HEDLEY_CLANG_HAS_ATTRIBUTE -#undef JSON_HEDLEY_CLANG_HAS_BUILTIN -#undef JSON_HEDLEY_CLANG_HAS_CPP_ATTRIBUTE -#undef JSON_HEDLEY_CLANG_HAS_DECLSPEC_DECLSPEC_ATTRIBUTE -#undef JSON_HEDLEY_CLANG_HAS_EXTENSION -#undef JSON_HEDLEY_CLANG_HAS_FEATURE -#undef JSON_HEDLEY_CLANG_HAS_WARNING -#undef JSON_HEDLEY_COMPCERT_VERSION -#undef JSON_HEDLEY_COMPCERT_VERSION_CHECK -#undef JSON_HEDLEY_CONCAT -#undef JSON_HEDLEY_CONCAT3 -#undef JSON_HEDLEY_CONCAT3_EX -#undef JSON_HEDLEY_CONCAT_EX -#undef JSON_HEDLEY_CONST -#undef JSON_HEDLEY_CONSTEXPR -#undef JSON_HEDLEY_CONST_CAST -#undef JSON_HEDLEY_CPP_CAST -#undef JSON_HEDLEY_CRAY_VERSION -#undef JSON_HEDLEY_CRAY_VERSION_CHECK -#undef JSON_HEDLEY_C_DECL -#undef JSON_HEDLEY_DEPRECATED -#undef JSON_HEDLEY_DEPRECATED_FOR -#undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_CAST_QUAL -#undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_ -#undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED -#undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES -#undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS -#undef JSON_HEDLEY_DIAGNOSTIC_POP -#undef JSON_HEDLEY_DIAGNOSTIC_PUSH -#undef JSON_HEDLEY_DMC_VERSION -#undef JSON_HEDLEY_DMC_VERSION_CHECK -#undef JSON_HEDLEY_EMPTY_BASES -#undef JSON_HEDLEY_EMSCRIPTEN_VERSION -#undef JSON_HEDLEY_EMSCRIPTEN_VERSION_CHECK -#undef JSON_HEDLEY_END_C_DECLS -#undef JSON_HEDLEY_FLAGS -#undef JSON_HEDLEY_FLAGS_CAST -#undef JSON_HEDLEY_GCC_HAS_ATTRIBUTE -#undef JSON_HEDLEY_GCC_HAS_BUILTIN -#undef JSON_HEDLEY_GCC_HAS_CPP_ATTRIBUTE -#undef JSON_HEDLEY_GCC_HAS_DECLSPEC_ATTRIBUTE -#undef JSON_HEDLEY_GCC_HAS_EXTENSION -#undef JSON_HEDLEY_GCC_HAS_FEATURE -#undef JSON_HEDLEY_GCC_HAS_WARNING -#undef JSON_HEDLEY_GCC_NOT_CLANG_VERSION_CHECK -#undef JSON_HEDLEY_GCC_VERSION -#undef JSON_HEDLEY_GCC_VERSION_CHECK -#undef JSON_HEDLEY_GNUC_HAS_ATTRIBUTE -#undef JSON_HEDLEY_GNUC_HAS_BUILTIN -#undef JSON_HEDLEY_GNUC_HAS_CPP_ATTRIBUTE -#undef JSON_HEDLEY_GNUC_HAS_DECLSPEC_ATTRIBUTE -#undef JSON_HEDLEY_GNUC_HAS_EXTENSION -#undef JSON_HEDLEY_GNUC_HAS_FEATURE -#undef JSON_HEDLEY_GNUC_HAS_WARNING -#undef JSON_HEDLEY_GNUC_VERSION -#undef JSON_HEDLEY_GNUC_VERSION_CHECK -#undef JSON_HEDLEY_HAS_ATTRIBUTE -#undef JSON_HEDLEY_HAS_BUILTIN -#undef JSON_HEDLEY_HAS_CPP_ATTRIBUTE -#undef JSON_HEDLEY_HAS_CPP_ATTRIBUTE_NS -#undef JSON_HEDLEY_HAS_DECLSPEC_ATTRIBUTE -#undef JSON_HEDLEY_HAS_EXTENSION -#undef JSON_HEDLEY_HAS_FEATURE -#undef JSON_HEDLEY_HAS_WARNING -#undef JSON_HEDLEY_IAR_VERSION -#undef JSON_HEDLEY_IAR_VERSION_CHECK -#undef JSON_HEDLEY_IBM_VERSION -#undef JSON_HEDLEY_IBM_VERSION_CHECK -#undef JSON_HEDLEY_IMPORT -#undef JSON_HEDLEY_INLINE -#undef JSON_HEDLEY_INTEL_VERSION -#undef JSON_HEDLEY_INTEL_VERSION_CHECK -#undef JSON_HEDLEY_IS_CONSTANT -#undef JSON_HEDLEY_IS_CONSTEXPR_ -#undef JSON_HEDLEY_LIKELY -#undef JSON_HEDLEY_MALLOC -#undef JSON_HEDLEY_MESSAGE -#undef JSON_HEDLEY_MSVC_VERSION -#undef JSON_HEDLEY_MSVC_VERSION_CHECK -#undef JSON_HEDLEY_NEVER_INLINE -#undef JSON_HEDLEY_NON_NULL -#undef JSON_HEDLEY_NO_ESCAPE -#undef JSON_HEDLEY_NO_RETURN -#undef JSON_HEDLEY_NO_THROW -#undef JSON_HEDLEY_NULL -#undef JSON_HEDLEY_PELLES_VERSION -#undef JSON_HEDLEY_PELLES_VERSION_CHECK -#undef JSON_HEDLEY_PGI_VERSION -#undef JSON_HEDLEY_PGI_VERSION_CHECK -#undef JSON_HEDLEY_PREDICT -#undef JSON_HEDLEY_PRINTF_FORMAT -#undef JSON_HEDLEY_PRIVATE -#undef JSON_HEDLEY_PUBLIC -#undef JSON_HEDLEY_PURE -#undef JSON_HEDLEY_REINTERPRET_CAST -#undef JSON_HEDLEY_REQUIRE -#undef JSON_HEDLEY_REQUIRE_CONSTEXPR -#undef JSON_HEDLEY_REQUIRE_MSG -#undef JSON_HEDLEY_RESTRICT -#undef JSON_HEDLEY_RETURNS_NON_NULL -#undef JSON_HEDLEY_SENTINEL -#undef JSON_HEDLEY_STATIC_ASSERT -#undef JSON_HEDLEY_STATIC_CAST -#undef JSON_HEDLEY_STRINGIFY -#undef JSON_HEDLEY_STRINGIFY_EX -#undef JSON_HEDLEY_SUNPRO_VERSION -#undef JSON_HEDLEY_SUNPRO_VERSION_CHECK -#undef JSON_HEDLEY_TINYC_VERSION -#undef JSON_HEDLEY_TINYC_VERSION_CHECK -#undef JSON_HEDLEY_TI_ARMCL_VERSION -#undef JSON_HEDLEY_TI_ARMCL_VERSION_CHECK -#undef JSON_HEDLEY_TI_CL2000_VERSION -#undef JSON_HEDLEY_TI_CL2000_VERSION_CHECK -#undef JSON_HEDLEY_TI_CL430_VERSION -#undef JSON_HEDLEY_TI_CL430_VERSION_CHECK -#undef JSON_HEDLEY_TI_CL6X_VERSION -#undef JSON_HEDLEY_TI_CL6X_VERSION_CHECK -#undef JSON_HEDLEY_TI_CL7X_VERSION -#undef JSON_HEDLEY_TI_CL7X_VERSION_CHECK -#undef JSON_HEDLEY_TI_CLPRU_VERSION -#undef JSON_HEDLEY_TI_CLPRU_VERSION_CHECK -#undef JSON_HEDLEY_TI_VERSION -#undef JSON_HEDLEY_TI_VERSION_CHECK -#undef JSON_HEDLEY_UNAVAILABLE -#undef JSON_HEDLEY_UNLIKELY -#undef JSON_HEDLEY_UNPREDICTABLE -#undef JSON_HEDLEY_UNREACHABLE -#undef JSON_HEDLEY_UNREACHABLE_RETURN -#undef JSON_HEDLEY_VERSION -#undef JSON_HEDLEY_VERSION_DECODE_MAJOR -#undef JSON_HEDLEY_VERSION_DECODE_MINOR -#undef JSON_HEDLEY_VERSION_DECODE_REVISION -#undef JSON_HEDLEY_VERSION_ENCODE -#undef JSON_HEDLEY_WARNING -#undef JSON_HEDLEY_WARN_UNUSED_RESULT -#undef JSON_HEDLEY_WARN_UNUSED_RESULT_MSG -#undef JSON_HEDLEY_FALL_THROUGH - - - -#endif // INCLUDE_NLOHMANN_JSON_HPP_ diff --git a/include/ion/node.h b/include/ion/node.h index 1e66f7c5..4000a89b 100644 --- a/include/ion/node.h +++ b/include/ion/node.h @@ -7,14 +7,11 @@ #include -#include "json.hpp" #include "param.h" #include "port.h" namespace ion { -using json = nlohmann::json; - /** * Node class is used to manage node which consists graph structure. */ @@ -36,9 +33,6 @@ class Node { public: friend class Builder; - friend void to_json(json&, const Node&); - friend void from_json(const json&, Node&); - Node() : impl_(new Node_) {}; /** @@ -101,22 +95,42 @@ class Node { return impl_->id; } + std::string& id() { + return impl_->id; + } + std::string name() const { return impl_->name; } + std::string& name(){ + return impl_->name; + } + Halide::Target target() const { return impl_->target; } + Halide::Target& target() { + return impl_->target; + } + std::vector params() const { return impl_->params; } + std::vector& params() { + return impl_->params; + } + std::vector ports() const { return impl_->ports; } + std::vector& ports() { + return impl_->ports; + } + private: Node(const std::string& id, const std::string& name, const Halide::Target& target) : impl_(new Node_{id, name, target}) diff --git a/include/ion/param.h b/include/ion/param.h index ba71069e..1bb81f4c 100644 --- a/include/ion/param.h +++ b/include/ion/param.h @@ -3,20 +3,13 @@ #include -#include "json.hpp" - namespace ion { -using json = nlohmann::json; - /** * Param class is used to create static parameter for each node. */ class Param { public: - friend void to_json(json&, const Param&); - friend void from_json(const json&, Param&); - Param() {} /** @@ -29,7 +22,10 @@ class Param { Param(const std::string& key, const std::string& val) : key_(key), val_(val) {} std::string key() const { return key_; } + std::string& key() { return key_; } + std::string val() const { return val_; } + std::string& val() { return val_; } private: std::string key_; diff --git a/include/ion/port.h b/include/ion/port.h index a6c50bed..a9da7a46 100644 --- a/include/ion/port.h +++ b/include/ion/port.h @@ -8,30 +8,8 @@ #include -#include "json.hpp" - -namespace nlohmann { -template <> -class adl_serializer { -public: - static void to_json(json& j, const halide_type_t& v) { - j["code"] = v.code; - j["bits"] = v.bits; - j["lanes"] = v.lanes; - } - - static void from_json(const json& j, halide_type_t& v) { - v.code = j["code"]; - v.bits = j["bits"]; - v.lanes = j["lanes"]; - } -}; -} // namespace nlohmann - namespace ion { -using json = nlohmann::json; - class ParamContainer { public: ParamContainer() { @@ -166,8 +144,6 @@ DECLARE_SET_TO_PARAM(double, f64_); */ class Port { public: - friend void to_json(json&, const Port&); - friend void from_json(const json&, Port&); friend class Node; Port() @@ -191,12 +167,19 @@ class Port { : key_(k), type_(t), dimensions_(d), node_id_(), param_info_(new ParamContainer(k, t, d)) {} std::string key() const { return key_; } + std::string& key() { return key_; } Halide::Type type() const { return type_; } + Halide::Type& type() { return type_; } int32_t dimensions() const { return dimensions_; } + int32_t& dimensions() { return dimensions_; } std::string node_id() const { return node_id_; } + std::string& node_id() { return node_id_; } + + std::shared_ptr param_info() const { return param_info_; } + std::shared_ptr& param_info() { return param_info_; } Halide::Expr expr() const { return param_info_->expr(); diff --git a/script/invoke.sh b/script/invoke.sh index 5f4195e6..052df429 100755 --- a/script/invoke.sh +++ b/script/invoke.sh @@ -13,7 +13,7 @@ do envvar=${1} shift - eval set envval=\${${envname}} + eval envval=\${${envname}} if [ "${envval}" == "" ]; then eval export ${envname}=${envvar} else diff --git a/src/bb/CMakeLists.txt b/src/bb/CMakeLists.txt new file mode 100644 index 00000000..8ad7c11e --- /dev/null +++ b/src/bb/CMakeLists.txt @@ -0,0 +1,52 @@ +cmake_policy(SET CMP0057 NEW) + +set(ION_BB_INCLUDE_DIRS) +set(ION_BB_LINK_DIRS) +set(ION_BB_LIBRARIES) +file(GLOB childs ${CMAKE_CURRENT_SOURCE_DIR}/*) +foreach(child ${childs}) + if(IS_DIRECTORY ${child}) + get_filename_component(BB_NAME ${child} NAME) + set(IS_TARGET_BB FALSE) + if(${BB_NAME} IN_LIST ION_TARGET_BB) + set(IS_TARGET_BB TRUE) + endif() + + if(${IS_TARGET_BB}) + set(INCLUDE_DIRS) + set(LINK_DIRS) + set(LIBRARIES) + if(EXISTS ${child}/config.cmake) + include(${child}/config.cmake) + endif() + list(APPEND ION_BB_INCLUDE_DIRS ${INCLUDE_DIRS}) + list(APPEND ION_BB_LINK_DIRS ${LINK_DIRS}) + list(APPEND ION_BB_LIBRARIES ${LIBRARIES}) + string(TOUPPER ${BB_NAME} POSTFIX) + string(REPLACE "-" "_" POSTFIX ${POSTFIX}) + add_definitions("-DION_ENABLE_BB_${POSTFIX}") + endif() + endif() +endforeach() + +add_library(ion-bb SHARED bb.cc) +target_include_directories(ion-bb PUBLIC ${PROJECT_SOURCE_DIR}/include ${PROJECT_SOURCE_DIR}/src ${CMAKE_CURRENT_SOURCE_DIR} ${ION_BB_INCLUDE_DIRS}) +target_link_libraries(ion-bb PUBLIC ion-core ${ION_BB_LIBRARIES}) +if(UNIX) + target_compile_options(ion-bb + PUBLIC -fno-rtti # For Halide::Generator + PUBLIC -rdynamic) # For JIT compiling +elseif(MSVC) + target_compile_options(ion-bb + PUBLIC /bigobj) +endif() + +# +# Install +# +if (UNIX) + install(TARGETS ion-bb DESTINATION lib) +else() + install(FILES ${CMAKE_BINARY_DIR}/$<$:Release>$<$:Debug>/ion-bb.dll DESTINATION bin) + install(FILES ${CMAKE_BINARY_DIR}/$<$:Release>$<$:Debug>/ion-bb.lib DESTINATION lib) +endif() diff --git a/include/ion-bb-core/README.en.md b/src/bb/base/README.en.md similarity index 100% rename from include/ion-bb-core/README.en.md rename to src/bb/base/README.en.md diff --git a/include/ion-bb-core/README.ja.md b/src/bb/base/README.ja.md similarity index 100% rename from include/ion-bb-core/README.ja.md rename to src/bb/base/README.ja.md diff --git a/include/ion-bb-core/bb.h b/src/bb/base/bb.h similarity index 78% rename from include/ion-bb-core/bb.h rename to src/bb/base/bb.h index c2a643f4..dd61bc52 100644 --- a/include/ion-bb-core/bb.h +++ b/src/bb/base/bb.h @@ -1,11 +1,11 @@ -#ifndef ION_BB_CORE_BB_H -#define ION_BB_CORE_BB_H +#ifndef ION_BB_BASE_BB_H +#define ION_BB_BASE_BB_H #include namespace ion { namespace bb { -namespace core { +namespace base { template class BufferLoader : public BuildingBlock { @@ -40,7 +40,7 @@ class BufferLoader : public BuildingBlock { } Halide::Func buffer_loader(static_cast(gc_prefix) + "buffer_loader"); - buffer_loader.define_extern("ion_bb_core_buffer_loader", params, Halide::type_of(), D); + buffer_loader.define_extern("ion_bb_base_buffer_loader", params, Halide::type_of(), D); buffer_loader.compute_root(); output(Halide::_) = buffer_loader(Halide::_); } @@ -215,7 +215,7 @@ class BufferSaver : public BuildingBlock { } Halide::Func buffer_saver(static_cast(gc_prefix) + "buffer_saver"); - buffer_saver.define_extern("ion_bb_core_buffer_saver", params, Halide::Int(32), 0); + buffer_saver.define_extern("ion_bb_base_buffer_saver", params, Halide::Int(32), 0); buffer_saver.compute_root(); output(Halide::_) = buffer_saver(Halide::_); } @@ -386,7 +386,7 @@ class RandomBuffer : public BuildingBlock { } Halide::Func random_buffer(static_cast(gc_prefix) + "random_buffer"); - random_buffer.define_extern("ion_bb_core_random_buffer", params, Halide::type_of(), D); + random_buffer.define_extern("ion_bb_base_random_buffer", params, Halide::type_of(), D); random_buffer.compute_root(); output(Halide::_) = random_buffer(Halide::_); } @@ -1955,218 +1955,274 @@ class ScalarToFuncFloat : public ScalarToFunc { // GeneratorParam gc_title{"gc_title", "ScalarToFuncFloat"}; }; -} // namespace core +class Schedule : public ion::BuildingBlock { +public: + GeneratorParam output_name{"output_name", ""}; + GeneratorParam compute_level{"compute_level", ""}; // "compute_inline" or "compute_root" + GeneratorParam concurrency{"concurrency", ""}; // comma separated string + + GeneratorInput input{"input"}; + GeneratorOutput output{"output"}; + + void generate() { + using namespace Halide; + if (static_cast(compute_level) == "compute_inline") { + output = input; + } else if (static_cast(compute_level) == "compute_root") { + Func f(static_cast(output_name)); + f(_) = input(_); + f.compute_root(); + if (get_target().has_gpu_feature()) { + if (f.args().size() == 0) { + // NOP + } else if (f.args().size() == 1) { + Var i = f.args()[0]; + Var block, thread; + f.split(i, block, thread, 64); + f.gpu_blocks(block).gpu_threads(thread); + } else { + Var x = f.args()[0]; + Var y = f.args()[1]; + for (int i=2; i #include @@ -17,11 +17,10 @@ #define ION_EXPORT #endif -#if defined(ION_ENABLE_JIT_EXTERN) #include namespace ion { namespace bb { -namespace core { +namespace base { std::map extern_functions; @@ -32,17 +31,14 @@ class RegisterExtern { } }; -} // image_io +} // base } // bb } // ion -#define ION_REGISTER_EXTERN(NAME) static auto ion_register_extern_##NAME = ion::bb::core::RegisterExtern(#NAME, NAME); -#else -#define ION_REGISTER_EXTERN(NAME) -#endif +#define ION_REGISTER_EXTERN(NAME) static auto ion_register_extern_##NAME = ion::bb::base::RegisterExtern(#NAME, NAME); namespace ion { namespace bb { -namespace core { +namespace base { std::tuple parse_url(const std::string &url) { if (url.rfind("http://", 0) != 0) { // not starts_with @@ -82,16 +78,16 @@ void fill_by_rng(std::mt19937 &rng, halide_buffer_t *range, halide_buffe std::unordered_map> buffer_cache; std::unordered_map rng_map; -} // namespace core +} // namespace base } // namespace bb } // namespace ion -extern "C" ION_EXPORT int ion_bb_core_buffer_loader(halide_buffer_t *url_buf, int32_t extent0, int32_t extent1, int32_t extent2, int32_t extent3, halide_buffer_t *out) { +extern "C" ION_EXPORT int ion_bb_base_buffer_loader(halide_buffer_t *url_buf, int32_t extent0, int32_t extent1, int32_t extent2, int32_t extent3, halide_buffer_t *out) { std::string url = std::string(reinterpret_cast(url_buf->host)); if (!out->is_bounds_query()) { - auto it = ion::bb::core::buffer_cache.find(url); - if (it != ion::bb::core::buffer_cache.end() && it->second.size() == out->size_in_bytes()) { + auto it = ion::bb::base::buffer_cache.find(url); + if (it != ion::bb::base::buffer_cache.end() && it->second.size() == out->size_in_bytes()) { memcpy(out->host, it->second.data(), it->second.size()); return 0; } else { @@ -117,7 +113,7 @@ extern "C" ION_EXPORT int ion_bb_core_buffer_loader(halide_buffer_t *url_buf, in std::string host_name; std::string path_name; - std::tie(host_name, path_name) = ion::bb::core::parse_url(url); + std::tie(host_name, path_name) = ion::bb::base::parse_url(url); bool img_loaded = false; std::vector data(size); @@ -145,14 +141,14 @@ extern "C" ION_EXPORT int ion_bb_core_buffer_loader(halide_buffer_t *url_buf, in } if (img_loaded) { - ion::bb::core::buffer_cache[url] = data; + ion::bb::base::buffer_cache[url] = data; return 0; } else { return -1; } } -extern "C" int ION_EXPORT ion_bb_core_buffer_saver(halide_buffer_t *in, halide_buffer_t *path_buf, int32_t extent0, int32_t extent1, int32_t extent2, int32_t extent3, halide_buffer_t *out) { +extern "C" int ION_EXPORT ion_bb_base_buffer_saver(halide_buffer_t *in, halide_buffer_t *path_buf, int32_t extent0, int32_t extent1, int32_t extent2, int32_t extent3, halide_buffer_t *out) { std::string path = std::string(reinterpret_cast(path_buf->host)); if (in->is_bounds_query()) { in->dim[0].min = 0; @@ -180,7 +176,7 @@ extern "C" int ION_EXPORT ion_bb_core_buffer_saver(halide_buffer_t *in, halide_b return 0; } -extern "C" ION_EXPORT int ion_bb_core_random_buffer(int32_t instance_id, int32_t seed, halide_buffer_t *range, int32_t extent0, int32_t extent1, int32_t extent2, int32_t extent3, halide_buffer_t *out) { +extern "C" ION_EXPORT int ion_bb_base_random_buffer(int32_t instance_id, int32_t seed, halide_buffer_t *range, int32_t extent0, int32_t extent1, int32_t extent2, int32_t extent3, halide_buffer_t *out) { if (out->is_bounds_query()) { out->dim[0].min = 0; out->dim[0].extent = extent0; @@ -201,33 +197,33 @@ extern "C" ION_EXPORT int ion_bb_core_random_buffer(int32_t instance_id, int32_t } std::mt19937 rng; - auto it = ion::bb::core::rng_map.find(instance_id); - if (it != ion::bb::core::rng_map.end()) { + auto it = ion::bb::base::rng_map.find(instance_id); + if (it != ion::bb::base::rng_map.end()) { rng = it->second; } else { rng = std::mt19937(seed); } if (out->type == halide_type_t(halide_type_uint, 8)) { - ion::bb::core::fill_by_rng(rng, range, out); + ion::bb::base::fill_by_rng(rng, range, out); } else if (out->type == halide_type_t(halide_type_uint, 16)) { - ion::bb::core::fill_by_rng(rng, range, out); + ion::bb::base::fill_by_rng(rng, range, out); } else if (out->type == halide_type_t(halide_type_uint, 32)) { - ion::bb::core::fill_by_rng(rng, range, out); + ion::bb::base::fill_by_rng(rng, range, out); } else if (out->type == halide_type_t(halide_type_uint, 64)) { - ion::bb::core::fill_by_rng(rng, range, out); + ion::bb::base::fill_by_rng(rng, range, out); } else if (out->type == halide_type_t(halide_type_int, 8)) { - ion::bb::core::fill_by_rng(rng, range, out); + ion::bb::base::fill_by_rng(rng, range, out); } else if (out->type == halide_type_t(halide_type_int, 16)) { - ion::bb::core::fill_by_rng(rng, range, out); + ion::bb::base::fill_by_rng(rng, range, out); } else if (out->type == halide_type_t(halide_type_int, 32)) { - ion::bb::core::fill_by_rng(rng, range, out); + ion::bb::base::fill_by_rng(rng, range, out); } else if (out->type == halide_type_t(halide_type_int, 64)) { - ion::bb::core::fill_by_rng(rng, range, out); + ion::bb::base::fill_by_rng(rng, range, out); } else if (out->type == halide_type_t(halide_type_float, 32)) { - ion::bb::core::fill_by_rng(rng, range, out); + ion::bb::base::fill_by_rng(rng, range, out); } else if (out->type == halide_type_t(halide_type_float, 64)) { - ion::bb::core::fill_by_rng(rng, range, out); + ion::bb::base::fill_by_rng(rng, range, out); } else { return -1; } diff --git a/include/ion-bb-core/thirdparty_notice.txt b/src/bb/base/thirdparty_notice.txt similarity index 100% rename from include/ion-bb-core/thirdparty_notice.txt rename to src/bb/base/thirdparty_notice.txt diff --git a/src/bb/bb.cc b/src/bb/bb.cc new file mode 100644 index 00000000..b681f5a7 --- /dev/null +++ b/src/bb/bb.cc @@ -0,0 +1,66 @@ +#include +#include +#include + +#if defined(ION_ENABLE_BB_BASE) +#include "base/bb.h" +#include "base/rt.h" +#endif + +#if defined(ION_ENABLE_BB_DNN) +#include "dnn/bb.h" +#include "dnn/rt.h" +#endif + +#if defined(ION_ENABLE_BB_IMAGE_IO) +#include "image-io/bb.h" +#include "image-io/rt.h" +#endif + +#if defined(ION_ENABLE_BB_IMAGE_PROCESSING) +#include "image-processing/bb.h" +#include "image-processing/rt.h" +#endif + +#if defined(ION_ENABLE_BB_OPENCV) +#include "opencv/bb.h" +#include "opencv/rt.h" +#endif + +#if defined(ION_ENABLE_BB_SGM) +#include "sgm/bb.h" +#include "sgm/rt.h" +#endif + +extern "C" void register_externs(std::map& externs) { +#if defined(ION_ENABLE_BB_BASE) + for (auto kv : ion::bb::base::extern_functions) { + externs.insert({kv.first, Halide::JITExtern(kv.second)}); + } +#endif +#if defined(ION_ENABLE_BB_DNN) + for (auto kv : ion::bb::dnn::extern_functions) { + externs.insert({kv.first, Halide::JITExtern(kv.second)}); + } +#endif +#if defined(ION_ENABLE_BB_IMAGE_IO) + for (auto kv : ion::bb::image_io::extern_functions) { + externs.insert({kv.first, Halide::JITExtern(kv.second)}); + } +#endif +#if defined(ION_ENABLE_BB_IMAGE_PROCESSING) + for (auto kv : ion::bb::image_processing::extern_functions) { + externs.insert({kv.first, Halide::JITExtern(kv.second)}); + } +#endif +#if defined(ION_ENABLE_BB_OPENCV) + for (auto kv : ion::bb::opencv::extern_functions) { + externs.insert({kv.first, Halide::JITExtern(kv.second)}); + } +#endif +#if defined(ION_ENABLE_BB_SGM) + for (auto kv : ion::bb::sgm::extern_functions) { + externs.insert({kv.first, Halide::JITExtern(kv.second)}); + } +#endif +} diff --git a/include/ion-bb-dnn/Dockerfile b/src/bb/dnn/Dockerfile similarity index 100% rename from include/ion-bb-dnn/Dockerfile rename to src/bb/dnn/Dockerfile diff --git a/include/ion-bb-dnn/LICENSE b/src/bb/dnn/LICENSE similarity index 100% rename from include/ion-bb-dnn/LICENSE rename to src/bb/dnn/LICENSE diff --git a/include/ion-bb-dnn/Makefile b/src/bb/dnn/Makefile similarity index 100% rename from include/ion-bb-dnn/Makefile rename to src/bb/dnn/Makefile diff --git a/include/ion-bb-dnn/NvInferRuntime.h b/src/bb/dnn/NvInferRuntime.h similarity index 100% rename from include/ion-bb-dnn/NvInferRuntime.h rename to src/bb/dnn/NvInferRuntime.h diff --git a/include/ion-bb-dnn/NvInferRuntimeCommon.h b/src/bb/dnn/NvInferRuntimeCommon.h similarity index 100% rename from include/ion-bb-dnn/NvInferRuntimeCommon.h rename to src/bb/dnn/NvInferRuntimeCommon.h diff --git a/include/ion-bb-dnn/NvInferVersion.h b/src/bb/dnn/NvInferVersion.h similarity index 100% rename from include/ion-bb-dnn/NvInferVersion.h rename to src/bb/dnn/NvInferVersion.h diff --git a/include/ion-bb-dnn/README.en.md b/src/bb/dnn/README.en.md similarity index 100% rename from include/ion-bb-dnn/README.en.md rename to src/bb/dnn/README.en.md diff --git a/include/ion-bb-dnn/README.ja.md b/src/bb/dnn/README.ja.md similarity index 100% rename from include/ion-bb-dnn/README.ja.md rename to src/bb/dnn/README.ja.md diff --git a/include/ion-bb-dnn/README.md b/src/bb/dnn/README.md similarity index 100% rename from include/ion-bb-dnn/README.md rename to src/bb/dnn/README.md diff --git a/include/ion-bb-dnn/bb.h b/src/bb/dnn/bb.h similarity index 99% rename from include/ion-bb-dnn/bb.h rename to src/bb/dnn/bb.h index 288662af..6a7b89ed 100644 --- a/include/ion-bb-dnn/bb.h +++ b/src/bb/dnn/bb.h @@ -6,9 +6,10 @@ #define UUID_STR_LEN 36 #endif -#include "sole.hpp" #include +#include "uuid/sole.hpp" + namespace ion { namespace bb { namespace dnn { diff --git a/include/ion-bb-dnn/config.cmake b/src/bb/dnn/config.cmake similarity index 100% rename from include/ion-bb-dnn/config.cmake rename to src/bb/dnn/config.cmake diff --git a/include/ion-bb-dnn/edgetpu_c.h b/src/bb/dnn/edgetpu_c.h similarity index 100% rename from include/ion-bb-dnn/edgetpu_c.h rename to src/bb/dnn/edgetpu_c.h diff --git a/include/ion-bb-dnn/httplib.h b/src/bb/dnn/httplib.h similarity index 100% rename from include/ion-bb-dnn/httplib.h rename to src/bb/dnn/httplib.h diff --git a/include/ion-bb-dnn/n2cube.h b/src/bb/dnn/n2cube.h similarity index 100% rename from include/ion-bb-dnn/n2cube.h rename to src/bb/dnn/n2cube.h diff --git a/include/ion-bb-dnn/onnxruntime_c.h b/src/bb/dnn/onnxruntime_c.h similarity index 100% rename from include/ion-bb-dnn/onnxruntime_c.h rename to src/bb/dnn/onnxruntime_c.h diff --git a/include/ion-bb-dnn/picosha2.h b/src/bb/dnn/picosha2.h similarity index 100% rename from include/ion-bb-dnn/picosha2.h rename to src/bb/dnn/picosha2.h diff --git a/include/ion-bb-dnn/rt.h b/src/bb/dnn/rt.h similarity index 98% rename from include/ion-bb-dnn/rt.h rename to src/bb/dnn/rt.h index 155a2980..6a6f294b 100644 --- a/include/ion-bb-dnn/rt.h +++ b/src/bb/dnn/rt.h @@ -2,9 +2,10 @@ #define ION_BB_DNN_RT_H #include - -#if defined(ION_ENABLE_JIT_EXTERN) #include + +#include "log.h" + namespace ion { namespace bb { namespace dnn { @@ -22,11 +23,8 @@ class RegisterExtern { } // bb } // ion #define ION_REGISTER_EXTERN(NAME) static auto ion_register_extern_##NAME = ion::bb::dnn::RegisterExtern(#NAME, NAME); -#else -#define ION_REGISTER_EXTERN(NAME) -#endif -#include "json.hpp" +#include "json/json.hpp" #include "rt_dnndk.h" #include "rt_json.h" #include "rt_opencv.h" @@ -68,16 +66,19 @@ extern "C" ION_EXPORT int ion_bb_dnn_generic_object_detection(halide_buffer_t *i if (is_tfl_available()) { // EdgeTPU + ion::log::info("TFlite runtime is available"); return object_detection_tfl(in, model_root_url, cache_root, out); } else if (dnndk_enable && dnndk::is_dnndk_available()) { // DPU (FPGA) + ion::log::info("DNNDK runtime is available"); return dnndk::object_detection(in, model_root_url, cache_root, out); } else if (is_ort_available()) { // CPU, GPU (CUDA) + ion::log::info("ONNX runtime is available"); std::string session_id(reinterpret_cast(session_id_buf->host)); return object_detection_ort(in, session_id, model_root_url, cache_root, cuda_enable, out); } else { - std::cerr << "No available runtime" << std::endl; + ion::log::error("No available runtime"); return -1; } diff --git a/include/ion-bb-dnn/rt_dnndk.h b/src/bb/dnn/rt_dnndk.h similarity index 100% rename from include/ion-bb-dnn/rt_dnndk.h rename to src/bb/dnn/rt_dnndk.h diff --git a/include/ion-bb-dnn/rt_json.h b/src/bb/dnn/rt_json.h similarity index 99% rename from include/ion-bb-dnn/rt_json.h rename to src/bb/dnn/rt_json.h index 20708ecd..988f49d5 100644 --- a/include/ion-bb-dnn/rt_json.h +++ b/src/bb/dnn/rt_json.h @@ -8,7 +8,7 @@ #include #include -#include "json.hpp" +#include "json/json.hpp" namespace ion { namespace bb { diff --git a/include/ion-bb-dnn/rt_opencv.h b/src/bb/dnn/rt_opencv.h similarity index 100% rename from include/ion-bb-dnn/rt_opencv.h rename to src/bb/dnn/rt_opencv.h diff --git a/include/ion-bb-dnn/rt_ort.h b/src/bb/dnn/rt_ort.h similarity index 100% rename from include/ion-bb-dnn/rt_ort.h rename to src/bb/dnn/rt_ort.h diff --git a/include/ion-bb-dnn/rt_ssd.h b/src/bb/dnn/rt_ssd.h similarity index 100% rename from include/ion-bb-dnn/rt_ssd.h rename to src/bb/dnn/rt_ssd.h diff --git a/include/ion-bb-dnn/rt_tfl.h b/src/bb/dnn/rt_tfl.h similarity index 100% rename from include/ion-bb-dnn/rt_tfl.h rename to src/bb/dnn/rt_tfl.h diff --git a/include/ion-bb-dnn/rt_trt.h b/src/bb/dnn/rt_trt.h similarity index 99% rename from include/ion-bb-dnn/rt_trt.h rename to src/bb/dnn/rt_trt.h index 8f5aa288..4fd7881e 100644 --- a/include/ion-bb-dnn/rt_trt.h +++ b/src/bb/dnn/rt_trt.h @@ -8,7 +8,7 @@ #include #include -#include "json.hpp" +#include "json/json.hpp" #include "picosha2.h" #include "rt_util.h" diff --git a/include/ion-bb-dnn/rt_util.h b/src/bb/dnn/rt_util.h similarity index 100% rename from include/ion-bb-dnn/rt_util.h rename to src/bb/dnn/rt_util.h diff --git a/include/ion-bb-dnn/rt_yolo.h b/src/bb/dnn/rt_yolo.h similarity index 100% rename from include/ion-bb-dnn/rt_yolo.h rename to src/bb/dnn/rt_yolo.h diff --git a/include/ion-bb-dnn/tensorflowlite_c.h b/src/bb/dnn/tensorflowlite_c.h similarity index 100% rename from include/ion-bb-dnn/tensorflowlite_c.h rename to src/bb/dnn/tensorflowlite_c.h diff --git a/include/ion-bb-dnn/tensorflowlite_types.h b/src/bb/dnn/tensorflowlite_types.h similarity index 100% rename from include/ion-bb-dnn/tensorflowlite_types.h rename to src/bb/dnn/tensorflowlite_types.h diff --git a/include/ion-bb-dnn/thirdparty_notice.txt b/src/bb/dnn/thirdparty_notice.txt similarity index 100% rename from include/ion-bb-dnn/thirdparty_notice.txt rename to src/bb/dnn/thirdparty_notice.txt diff --git a/include/ion-bb-fpga/Dockerfile b/src/bb/fpga/Dockerfile similarity index 100% rename from include/ion-bb-fpga/Dockerfile rename to src/bb/fpga/Dockerfile diff --git a/include/ion-bb-fpga/README.en.md b/src/bb/fpga/README.en.md similarity index 100% rename from include/ion-bb-fpga/README.en.md rename to src/bb/fpga/README.en.md diff --git a/include/ion-bb-fpga/README.ja.md b/src/bb/fpga/README.ja.md similarity index 100% rename from include/ion-bb-fpga/README.ja.md rename to src/bb/fpga/README.ja.md diff --git a/include/ion-bb-fpga/bb.h b/src/bb/fpga/bb.h similarity index 100% rename from include/ion-bb-fpga/bb.h rename to src/bb/fpga/bb.h diff --git a/include/ion-bb-fpga/config.cmake b/src/bb/fpga/config.cmake similarity index 100% rename from include/ion-bb-fpga/config.cmake rename to src/bb/fpga/config.cmake diff --git a/include/ion-bb-fpga/rt.h b/src/bb/fpga/rt.h similarity index 100% rename from include/ion-bb-fpga/rt.h rename to src/bb/fpga/rt.h diff --git a/include/ion-bb-image-io/Dockerfile b/src/bb/image-io/Dockerfile similarity index 100% rename from include/ion-bb-image-io/Dockerfile rename to src/bb/image-io/Dockerfile diff --git a/include/ion-bb-image-io/README.en.md b/src/bb/image-io/README.en.md similarity index 100% rename from include/ion-bb-image-io/README.en.md rename to src/bb/image-io/README.en.md diff --git a/include/ion-bb-image-io/README.ja.md b/src/bb/image-io/README.ja.md similarity index 100% rename from include/ion-bb-image-io/README.ja.md rename to src/bb/image-io/README.ja.md diff --git a/include/ion-bb-image-io/bb.h b/src/bb/image-io/bb.h similarity index 99% rename from include/ion-bb-image-io/bb.h rename to src/bb/image-io/bb.h index ae91fac0..31fb81cf 100644 --- a/include/ion-bb-image-io/bb.h +++ b/src/bb/image-io/bb.h @@ -6,7 +6,7 @@ #include #endif -#include "sole.hpp" +#include "uuid/sole.hpp" namespace ion { namespace bb { diff --git a/include/ion-bb-image-io/config.cmake b/src/bb/image-io/config.cmake similarity index 100% rename from include/ion-bb-image-io/config.cmake rename to src/bb/image-io/config.cmake diff --git a/include/ion-bb-image-io/gendc_separator/ComponentHeader.h b/src/bb/image-io/gendc_separator/ComponentHeader.h similarity index 100% rename from include/ion-bb-image-io/gendc_separator/ComponentHeader.h rename to src/bb/image-io/gendc_separator/ComponentHeader.h diff --git a/include/ion-bb-image-io/gendc_separator/ContainerHeader.h b/src/bb/image-io/gendc_separator/ContainerHeader.h similarity index 100% rename from include/ion-bb-image-io/gendc_separator/ContainerHeader.h rename to src/bb/image-io/gendc_separator/ContainerHeader.h diff --git a/include/ion-bb-image-io/gendc_separator/Descriptor.h b/src/bb/image-io/gendc_separator/Descriptor.h similarity index 100% rename from include/ion-bb-image-io/gendc_separator/Descriptor.h rename to src/bb/image-io/gendc_separator/Descriptor.h diff --git a/include/ion-bb-image-io/gendc_separator/PartHeader.h b/src/bb/image-io/gendc_separator/PartHeader.h similarity index 100% rename from include/ion-bb-image-io/gendc_separator/PartHeader.h rename to src/bb/image-io/gendc_separator/PartHeader.h diff --git a/include/ion-bb-image-io/gendc_separator/tools.h b/src/bb/image-io/gendc_separator/tools.h similarity index 100% rename from include/ion-bb-image-io/gendc_separator/tools.h rename to src/bb/image-io/gendc_separator/tools.h diff --git a/include/ion-bb-image-io/httplib.h b/src/bb/image-io/httplib.h similarity index 100% rename from include/ion-bb-image-io/httplib.h rename to src/bb/image-io/httplib.h diff --git a/include/ion-bb-image-io/rt.h b/src/bb/image-io/rt.h similarity index 90% rename from include/ion-bb-image-io/rt.h rename to src/bb/image-io/rt.h index 2ea48dc5..2a6ab3b8 100644 --- a/include/ion-bb-image-io/rt.h +++ b/src/bb/image-io/rt.h @@ -8,7 +8,6 @@ #include -#if defined(ION_ENABLE_JIT_EXTERN) #include namespace ion { namespace bb { @@ -27,9 +26,6 @@ class RegisterExtern { } // bb } // ion #define ION_REGISTER_EXTERN(NAME) static auto ion_register_extern_##NAME = ion::bb::image_io::RegisterExtern(#NAME, NAME); -#else -#define ION_REGISTER_EXTERN(NAME) -#endif #include "rt_u3v.h" #include "rt_file.h" diff --git a/include/ion-bb-image-io/rt_common.h b/src/bb/image-io/rt_common.h similarity index 98% rename from include/ion-bb-image-io/rt_common.h rename to src/bb/image-io/rt_common.h index 1d6d4572..a4ffc01b 100644 --- a/include/ion-bb-image-io/rt_common.h +++ b/src/bb/image-io/rt_common.h @@ -3,6 +3,7 @@ #include #include +#include #include #include #include @@ -15,7 +16,6 @@ #include "httplib.h" #include "zip_file.hpp" -#include "ghc/filesystem.hpp" #ifdef _WIN32 #define WIN32_LEAN_AND_MEAN @@ -190,12 +190,12 @@ class ImageSequence { public: ImageSequence(const std::string& session_id, const std::string& url) : idx_(0) { - namespace fs = ghc::filesystem; + namespace fs = std::filesystem; std::string host_name; std::string path_name; std::tie(host_name, path_name) = ion::bb::image_io::parse_url(url); - + std::vector data; if (host_name.empty() || path_name.empty()) { // fallback to local file @@ -238,7 +238,7 @@ class ImageSequence { } cv::Mat get(int width, int height, int imread_flags) { - namespace fs = ghc::filesystem; + namespace fs = std::filesystem; cv::Mat frame; @@ -282,7 +282,7 @@ class ImageSequence { private: int32_t idx_; - std::vector paths_; + std::vector paths_; }; #endif // _WIN32 diff --git a/include/ion-bb-image-io/rt_display.h b/src/bb/image-io/rt_display.h similarity index 100% rename from include/ion-bb-image-io/rt_display.h rename to src/bb/image-io/rt_display.h diff --git a/include/ion-bb-image-io/rt_file.h b/src/bb/image-io/rt_file.h similarity index 99% rename from include/ion-bb-image-io/rt_file.h rename to src/bb/image-io/rt_file.h index 61f793ed..85e29f24 100644 --- a/include/ion-bb-image-io/rt_file.h +++ b/src/bb/image-io/rt_file.h @@ -3,16 +3,16 @@ #include #include +#include +#include #include #include #include #include -#include -#include "rt_common.h" -#include "ghc/filesystem.hpp" -#include "nlohmann/json.hpp" +#include "json/json.hpp" +#include "rt_common.h" #include "httplib.h" #ifndef _WIN32 @@ -399,7 +399,7 @@ class Writer { ::std::ofstream ofs_; uint32_t width_; uint32_t height_; - ghc::filesystem::path output_directory_; + std::filesystem::path output_directory_; ion::bb::image_io::rawHeader header_info_; bool with_header_; @@ -694,7 +694,7 @@ namespace { current_idx_ = file_idx_; } - void open_and_check(uint32_t width, uint32_t height, const ghc::filesystem::path output_directory, uint32_t& file_idx, ::std::ifstream& ifs, bool* finished) { + void open_and_check(uint32_t width, uint32_t height, const std::filesystem::path output_directory, uint32_t& file_idx, ::std::ifstream& ifs, bool* finished) { auto file_path = output_directory / ("raw-" + ::std::to_string(file_idx++) + ".bin"); ifs = ::std::ifstream(file_path, ::std::ios::binary); @@ -709,7 +709,7 @@ namespace { uint32_t width_; uint32_t height_; - ghc::filesystem::path output_directory_; + std::filesystem::path output_directory_; uint32_t file_idx_; ::std::vector latest_frame0_; ::std::vector latest_frame1_; diff --git a/include/ion-bb-image-io/rt_realsense.h b/src/bb/image-io/rt_realsense.h similarity index 89% rename from include/ion-bb-image-io/rt_realsense.h rename to src/bb/image-io/rt_realsense.h index 4c722979..7c1b46e0 100644 --- a/include/ion-bb-image-io/rt_realsense.h +++ b/src/bb/image-io/rt_realsense.h @@ -6,6 +6,8 @@ #include +#include "log.h" + #include "rt_common.h" namespace ion { @@ -108,6 +110,7 @@ class RealSense { : dm_("realsense2", false), device_is_available_(false), ctx_(nullptr), devices_(nullptr), pipeline_(nullptr), config_(nullptr), frameset_(nullptr) { if (!init_symbols()) { + log::error("Failed to init realsense symbols"); return; } @@ -115,65 +118,71 @@ class RealSense { int version = rs2_get_api_version(&err); if (err) { - std::cerr << rs2_get_error_message(err) << std::endl; + log::error("Failed call realsense API: {}", rs2_get_error_message(err)); return; } ctx_ = rs2_create_context(version, &err); if (err) { - std::cerr << rs2_get_error_message(err) << std::endl; + log::error("Failed call realsense API: {}", rs2_get_error_message(err)); return; } devices_ = rs2_query_devices(ctx_, &err); if (err) { - std::cerr << rs2_get_error_message(err) << std::endl; + log::error("Failed call realsense API: {}", rs2_get_error_message(err)); return; } int num_of_devices = rs2_get_device_count(devices_, &err); if (err) { - std::cerr << rs2_get_error_message(err) << std::endl; + log::error("Failed call realsense API: {}", rs2_get_error_message(err)); return; } if (num_of_devices == 0) { + log::error("Cannot find realsense device"); return; } int fps = 30; config_ = rs2_create_config(&err); if (err) { - std::cerr << rs2_get_error_message(err) << std::endl; + log::error("Failed call realsense API: {}", rs2_get_error_message(err)); return; } rs2_config_enable_stream(config_, RS2_STREAM_INFRARED, 1, width, height, RS2_FORMAT_Y8, fps, &err); if (err) { - std::cerr << rs2_get_error_message(err) << std::endl; + log::error("Failed call realsense API: {}", rs2_get_error_message(err)); return; } rs2_config_enable_stream(config_, RS2_STREAM_INFRARED, 2, width, height, RS2_FORMAT_Y8, fps, &err); if (err) { - std::cerr << rs2_get_error_message(err) << std::endl; + log::error("Failed call realsense API: {}", rs2_get_error_message(err)); + return; + } + + rs2_config_enable_stream(config_, RS2_STREAM_DEPTH, 0, width, height, RS2_FORMAT_Z16, fps, &err); + if (err) { + log::error("Failed call realsense API: {}", rs2_get_error_message(err)); return; } rs2_config_enable_stream(config_, RS2_STREAM_DEPTH, 0, width, height, RS2_FORMAT_Z16, fps, &err); if (err) { - std::cerr << rs2_get_error_message(err) << std::endl; return; } pipeline_ = rs2_create_pipeline(ctx_, &err); if (err) { - std::cerr << rs2_get_error_message(err) << std::endl; + log::error("Failed call realsense API: {}", rs2_get_error_message(err)); return; } rs2_pipeline_start_with_config(pipeline_, config_, &err); if (err) { - std::cerr << rs2_get_error_message(err) << std::endl; + log::error("Failed call realsense API: {}", rs2_get_error_message(err)); return; } @@ -305,14 +314,16 @@ extern "C" int ION_EXPORT ion_bb_image_io_realsense_d435_infrared(halide_buffer_ } return 0; } catch (const std::exception &e) { - std::cerr << e.what() << std::endl; - return -1; + ion::log::error("Exception was thrown: {}", e.what()); + return 1; } catch (...) { - std::cerr << "Unknown" << std::endl; - return -1; + ion::log::error("Unknown exception was thrown"); + return 1; } } +ION_REGISTER_EXTERN(ion_bb_image_io_realsense_d435_infrared) + extern "C" int ION_EXPORT ion_bb_image_io_realsense_d435_depth(halide_buffer_t *in, halide_buffer_t *out_d) { try { const int width = 1280; @@ -343,13 +354,14 @@ extern "C" int ION_EXPORT ion_bb_image_io_realsense_d435_depth(halide_buffer_t * } return 0; } catch (const std::exception &e) { - std::cerr << e.what() << std::endl; - return -1; + ion::log::error("Exception was thrown: {}", e.what()); + return 1; } catch (...) { - std::cerr << "Unknown" << std::endl; - return -1; + ion::log::error("Unknown exception was thrown"); + return 1; } } +ION_REGISTER_EXTERN(ion_bb_image_io_realsense_d435_depth) extern "C" int ION_EXPORT ion_bb_image_io_realsense_d435_frameset(halide_buffer_t *out) { try { @@ -371,12 +383,13 @@ extern "C" int ION_EXPORT ion_bb_image_io_realsense_d435_frameset(halide_buffer_ } return 0; } catch (const std::exception &e) { - std::cerr << e.what() << std::endl; - return -1; + ion::log::error("Exception was thrown: {}", e.what()); + return 1; } catch (...) { - std::cerr << "Unknown" << std::endl; - return -1; + ion::log::error("Unknown exception was thrown"); + return 1; } } +ION_REGISTER_EXTERN(ion_bb_image_io_realsense_d435_frameset) #endif diff --git a/include/ion-bb-image-io/rt_u3v.h b/src/bb/image-io/rt_u3v.h similarity index 89% rename from include/ion-bb-image-io/rt_u3v.h rename to src/bb/image-io/rt_u3v.h index 7720777a..87282f3f 100644 --- a/include/ion-bb-image-io/rt_u3v.h +++ b/src/bb/image-io/rt_u3v.h @@ -1,16 +1,18 @@ #ifndef ION_BB_IMAGE_IO_RT_U3V_H #define ION_BB_IMAGE_IO_RT_U3V_H +#include #include #include -#include "rt_common.h" +#include + +#include "log.h" +#include "rt_common.h" #include "gendc_separator/ContainerHeader.h" #include "gendc_separator/tools.h" -#include - #ifdef _WIN32 #define GOBJECT_FILE "gobject-2.0-0" #define ARAVIS_FILE "aravis-0.8-0" @@ -19,8 +21,6 @@ #define ARAVIS_FILE "aravis-0.8" #endif -#include - namespace ion { namespace bb { namespace image_io { @@ -88,6 +88,10 @@ class U3V { using ArvBuffer_t = struct ArvBuffer*; using ArvGcNode_t = struct ArvGcNode*; + using arv_get_major_version_t = uint32_t(*)(); + using arv_get_minor_version_t = uint32_t(*)(); + using arv_get_micro_version_t = uint32_t(*)(); + using arv_update_device_list_t = void(*)(); using arv_get_n_devices_t = unsigned int(*)(); @@ -163,15 +167,15 @@ class U3V { public: ~U3V(){ if (!disposed_){ - std::cout << "trying to call dispose from distructor since disposed_ is " << disposed_ << std::endl; + log::debug("Trying to call dispose from distructor since disposed_ is {}", disposed_); dispose(); } } - static U3V & get_instance(std::string pixel_format, int32_t num_sensor, bool frame_sync, bool realtime_diaplay_mode) + static U3V & get_instance(std::string pixel_format, int32_t num_sensor, bool frame_sync, bool realtime_display_mode) { if (instance_ == nullptr){ - instance_ = std::unique_ptr(new U3V(pixel_format, num_sensor, frame_sync, realtime_diaplay_mode)); + instance_ = std::unique_ptr(new U3V(pixel_format, num_sensor, frame_sync, realtime_display_mode)); } return *instance_; } @@ -272,6 +276,8 @@ class U3V { void get(std::vector& outs) { + auto timeout_us = 30 * 1000 * 1000; + int32_t num_device = devices_.size(); std::vector bufs(num_device); @@ -279,16 +285,17 @@ class U3V { // get the first buffer for each stream for (auto i = 0; i< devices_.size(); ++i) { - bufs[i] = arv_stream_timeout_pop_buffer (devices_[i].stream_, 30 * 1000 * 1000); + bufs[i] = arv_stream_timeout_pop_buffer (devices_[i].stream_, timeout_us); if (bufs[i] == nullptr){ - throw ::std::runtime_error("buffer is null"); + log::error("pop_buffer(L1) failed due to timeout ({}s)", timeout_us*1e-6f); + throw ::std::runtime_error("Buffer is null"); } devices_[i].frame_count_ = is_gendc_ ? static_cast(get_frame_count_from_genDC_descriptor(bufs[i], devices_[i])) : static_cast(arv_buffer_get_timestamp(bufs[i]) & 0x00000000FFFFFFFF); } - if (realtime_diaplay_mode_){ + if (realtime_display_mode_){ // get output buffer for each stream int32_t min_num_output_buffer = std::numeric_limits::max(); for (auto i = 0; i < num_device; ++i){ @@ -301,8 +308,9 @@ class U3V { for(auto i = 0; i < num_device; ++i){ for (auto j = 0; j < min_num_output_buffer-1; ++j){ arv_stream_push_buffer(devices_[i].stream_, bufs[i]); - bufs[i] = arv_stream_timeout_pop_buffer (devices_[i].stream_, 30 * 1000 * 1000); + bufs[i] = arv_stream_timeout_pop_buffer (devices_[i].stream_, timeout_us); if (bufs[i] == nullptr){ + log::error("pop_buffer(L2) failed due to timeout ({}s)", timeout_us*1e-6f); throw ::std::runtime_error("buffer is null"); } devices_[i].frame_count_ = is_gendc_ @@ -338,8 +346,9 @@ class U3V { for (int i=0; i= latest_cnt){ + while (frame_cnt_ >= latest_cnt) { cameN_idx_ = (cameN_idx_+1) >= num_device ? 0 : cameN_idx_+1; bufs[cameN_idx_] = arv_stream_timeout_pop_buffer (devices_[cameN_idx_].stream_, 30 * 1000 * 1000); if (bufs[cameN_idx_] == nullptr){ - throw ::std::runtime_error("buffer is null"); - } + log::error("pop_buffer(L4) failed due to timeout ({}s)", timeout_us*1e-6f); + throw ::std::runtime_error("buffer is null"); + } devices_[cameN_idx_].frame_count_ = is_gendc_ ? static_cast(get_frame_count_from_genDC_descriptor(bufs[cameN_idx_], devices_[cameN_idx_])) : static_cast(arv_buffer_get_timestamp(bufs[cameN_idx_]) & 0x00000000FFFFFFFF); @@ -379,6 +389,9 @@ class U3V { void get_with_gendc(std::vector& outs) { + // TODO: Is 3 second fine? + auto timeout_us = 3 * 1000 * 1000; + int32_t num_device = devices_.size(); std::vector bufs(num_device); @@ -386,8 +399,9 @@ class U3V { // get the first buffer for each stream for (auto i = 0; i< devices_.size(); ++i) { - bufs[i] = arv_stream_timeout_pop_buffer (devices_[i].stream_, 3 * 1000 * 1000); + bufs[i] = arv_stream_timeout_pop_buffer (devices_[i].stream_, timeout_us); if (bufs[i] == nullptr){ + log::error("pop_buffer(L5) failed due to timeout ({}s)", timeout_us*1e-6f); throw ::std::runtime_error("buffer is null"); } devices_[i].frame_count_ = is_gendc_ @@ -395,7 +409,7 @@ class U3V { : static_cast(arv_buffer_get_timestamp(bufs[i]) & 0x00000000FFFFFFFF); } - if (realtime_diaplay_mode_){ + if (realtime_display_mode_){ // get output buffer for each stream int32_t min_num_output_buffer = std::numeric_limits::max(); for (auto i = 0; i < num_device; ++i){ @@ -408,8 +422,9 @@ class U3V { for(auto i = 0; i < num_device; ++i){ for (auto j = 0; j < min_num_output_buffer-1; ++j){ arv_stream_push_buffer(devices_[i].stream_, bufs[i]); - bufs[i] = arv_stream_timeout_pop_buffer (devices_[i].stream_, 3 * 1000 * 1000); + bufs[i] = arv_stream_timeout_pop_buffer (devices_[i].stream_, timeout_us); if (bufs[i] == nullptr){ + log::error("pop_buffer(L6) failed due to timeout ({}s)", timeout_us*1e-6f); throw ::std::runtime_error("buffer is null"); } devices_[i].frame_count_ = is_gendc_ @@ -445,8 +460,9 @@ class U3V { for (int i=0; i= latest_cnt){ cameN_idx_ = (cameN_idx_+1) >= num_device ? 0 : cameN_idx_+1; - bufs[cameN_idx_] = arv_stream_timeout_pop_buffer (devices_[cameN_idx_].stream_, 30 * 1000 * 1000); + auto timeout2_us = 30 * 1000 * 1000; + bufs[cameN_idx_] = arv_stream_timeout_pop_buffer (devices_[cameN_idx_].stream_, timeout2_us); if (bufs[cameN_idx_] == nullptr){ + log::error("pop_buffer(L8) failed due to timeout ({}s)", timeout2_us*1e-6f); throw ::std::runtime_error("buffer is null"); } devices_[cameN_idx_].frame_count_ = is_gendc_ @@ -486,26 +504,27 @@ class U3V { } private: - U3V(std::string pixel_format, int32_t num_sensor, bool frame_sync, bool realtime_diaplay_mode, char* dev_id = nullptr) + U3V(std::string pixel_format, int32_t num_sensor, bool frame_sync, bool realtime_display_mode, char* dev_id = nullptr) : gobject_(GOBJECT_FILE, true), aravis_(ARAVIS_FILE, true), pixel_format_(pixel_format), num_sensor_(num_sensor), - frame_sync_(frame_sync), realtime_diaplay_mode_(realtime_diaplay_mode), is_gendc_(false), is_param_integer_(false), + frame_sync_(frame_sync), realtime_display_mode_(realtime_display_mode), is_gendc_(false), is_param_integer_(false), devices_(num_sensor), buffers_(num_sensor), operation_mode_(OperationMode::Came1USB1), frame_cnt_(0), cameN_idx_(-1), disposed_(false) { - printf("[LOG ion-kit] This is ion-kit with debug-log; internal-develop 231011\n"); init_symbols(); + log::info("Using aravis-{}.{}.{}", arv_get_major_version(), arv_get_minor_version(), arv_get_micro_version()); + arv_update_device_list(); unsigned int n_devices = arv_get_n_devices (); if (n_devices < num_sensor_){ - throw std::runtime_error("[LOG ion-kit] Device not found\n"); + throw std::runtime_error("No device found"); } frame_sync_ = num_sensor_ > 1 ? frame_sync_ : false; unsigned int target_device_idx; if (n_devices != num_sensor_ && dev_id == nullptr) { - printf("[LOG ion-kit] Multiple devices are found; The first device is selected\n"); + log::info("Multiple devices are found; The first device is selected"); } for (int i = 0; i < n_devices; ++i){ @@ -612,7 +631,7 @@ class U3V { }else{ devices_[i].data_offset_ = 0; devices_[i].image_payload_size_ = devices_[i].u3v_payload_size_; - printf("[LOG ion-kit] The device is not GenDC supported\n"); + log::info("The device is not GenDC supported"); } @@ -631,7 +650,7 @@ class U3V { pixel_format_ == "Mono10" ? PFNC_Mono10 : pixel_format_ == "Mono12" ? PFNC_Mono12 : 0; if (px == 0){ - printf("[LOG ion-kit] The pixel format is not supported for header info\n"); + log::info("The pixel format is not supported for header info"); } devices_[i].header_info_ = { 1, wi, hi, @@ -654,6 +673,7 @@ class U3V { devices_.resize(n_devices); buffers_.resize(n_devices); } + log::info("Device is running in {} operation mode", operation_mode_in_string); } } @@ -687,6 +707,8 @@ class U3V { throw std::runtime_error(err_->message); } } + + log::info("U3V instance is created: pixel_format({}) num_sensor({}) frame_sync({}) realtime_display_mode({}) dev_id({})", pixel_format, num_sensor, frame_sync, realtime_display_mode, dev_id); } void init_symbols_gobject() { @@ -718,6 +740,10 @@ class U3V { TARGET_SYMBOL " is unavailable on aravis-0.8"); \ } + GET_SYMBOL(arv_get_major_version, "arv_get_major_version"); + GET_SYMBOL(arv_get_minor_version, "arv_get_minor_version"); + GET_SYMBOL(arv_get_micro_version, "arv_get_micro_version"); + GET_SYMBOL(arv_update_device_list, "arv_update_device_list"); GET_SYMBOL(arv_get_n_devices, "arv_get_n_devices"); @@ -761,7 +787,7 @@ class U3V { #undef GET_SYMBOL } - void init_symbols(){ + void init_symbols() { init_symbols_gobject(); init_symbols_aravis(); } @@ -819,6 +845,10 @@ class U3V { g_object_unref_t g_object_unref; + arv_get_major_version_t arv_get_major_version; + arv_get_minor_version_t arv_get_minor_version; + arv_get_micro_version_t arv_get_micro_version; + arv_update_device_list_t arv_update_device_list; arv_get_n_devices_t arv_get_n_devices; @@ -871,7 +901,7 @@ class U3V { GError *err_ = nullptr; bool frame_sync_; - bool realtime_diaplay_mode_; + bool realtime_display_mode_; bool is_gendc_; bool is_param_integer_; int32_t operation_mode_; @@ -895,12 +925,12 @@ class U3V { std::unique_ptr U3V::instance_; int u3v_camera_frame_count( - bool dispose, int32_t num_sensor, bool frame_sync, bool realtime_diaplay_mode, halide_buffer_t * pixel_format_buf, + bool dispose, int32_t num_sensor, bool frame_sync, bool realtime_display_mode, halide_buffer_t * pixel_format_buf, halide_buffer_t* out) { try { const ::std::string pixel_format(reinterpret_cast(pixel_format_buf->host)); - auto &u3v(ion::bb::image_io::U3V::get_instance(pixel_format, num_sensor, frame_sync, realtime_diaplay_mode)); + auto &u3v(ion::bb::image_io::U3V::get_instance(pixel_format, num_sensor, frame_sync, realtime_display_mode)); if (out->is_bounds_query()) { out->dim[0].min = 0; out->dim[0].extent = 1; @@ -911,14 +941,15 @@ int u3v_camera_frame_count( u3v.dispose(); } } + + return 0; } catch (const std::exception &e) { - std::cerr << e.what() << std::endl; - return -1; + ion::log::error("Exception was thrown: {}", e.what()); + return 1; } catch (...) { - std::cerr << "Unknown error" << std::endl; - return -1; + ion::log::error("Unknown exception was thrown"); + return 1; } - return 0; } } // namespace image_io @@ -927,7 +958,7 @@ int u3v_camera_frame_count( extern "C" int ION_EXPORT ion_bb_image_io_u3v_camera1( - bool frame_sync, bool realtime_diaplay_mode, double gain0, double exposure0, + bool frame_sync, bool realtime_display_mode, double gain0, double exposure0, halide_buffer_t* pixel_format_buf, halide_buffer_t * gain_key_buf, halide_buffer_t * exposure_key_buf, halide_buffer_t * out0) { @@ -936,7 +967,7 @@ int ION_EXPORT ion_bb_image_io_u3v_camera1( const ::std::string gain_key(reinterpret_cast(gain_key_buf->host)); const ::std::string exposure_key(reinterpret_cast(exposure_key_buf->host)); const ::std::string pixel_format(reinterpret_cast(pixel_format_buf->host)); - auto &u3v(ion::bb::image_io::U3V::get_instance(pixel_format, 1, frame_sync, realtime_diaplay_mode)); + auto &u3v(ion::bb::image_io::U3V::get_instance(pixel_format, 1, frame_sync, realtime_display_mode)); if (out0->is_bounds_query()) { //bounds query return 0; @@ -951,18 +982,18 @@ int ION_EXPORT ion_bb_image_io_u3v_camera1( return 0; } catch (const std::exception &e) { - std::cerr << e.what() << std::endl; - return -1; + ion::log::error("Exception was thrown: {}", e.what()); + return 1; } catch (...) { - std::cerr << "Unknown error" << std::endl; - return -1; + ion::log::error("Unknown exception was thrown"); + return 1; } } ION_REGISTER_EXTERN(ion_bb_image_io_u3v_camera1); extern "C" int ION_EXPORT ion_bb_image_io_u3v_camera2( - bool frame_sync, bool realtime_diaplay_mode, double gain0, double gain1, double exposure0, double exposure1, + bool frame_sync, bool realtime_display_mode, double gain0, double gain1, double exposure0, double exposure1, halide_buffer_t* pixel_format_buf, halide_buffer_t * gain_key_buf, halide_buffer_t * exposure_key_buf, halide_buffer_t * out0, halide_buffer_t * out1) { @@ -971,7 +1002,7 @@ int ION_EXPORT ion_bb_image_io_u3v_camera2( const ::std::string gain_key(reinterpret_cast(gain_key_buf->host)); const ::std::string exposure_key(reinterpret_cast(exposure_key_buf->host)); const ::std::string pixel_format(reinterpret_cast(pixel_format_buf->host)); - auto &u3v(ion::bb::image_io::U3V::get_instance(pixel_format, 2, frame_sync, realtime_diaplay_mode)); + auto &u3v(ion::bb::image_io::U3V::get_instance(pixel_format, 2, frame_sync, realtime_display_mode)); if (out0->is_bounds_query() || out1->is_bounds_query()) { //bounds query return 0; @@ -988,11 +1019,11 @@ int ION_EXPORT ion_bb_image_io_u3v_camera2( return 0; } catch (const std::exception &e) { - std::cerr << e.what() << std::endl; - return -1; + ion::log::error("Exception was thrown: {}", e.what()); + return 1; } catch (...) { - std::cerr << "Unknown error" << std::endl; - return -1; + ion::log::error("Unknown exception was thrown"); + return 1; } } ION_REGISTER_EXTERN(ion_bb_image_io_u3v_camera2); @@ -1001,10 +1032,10 @@ ION_REGISTER_EXTERN(ion_bb_image_io_u3v_camera2); extern "C" int ION_EXPORT ion_bb_image_io_u3v_camera1_frame_count( halide_buffer_t *, - bool dispose, int32_t num_sensor, bool frame_sync, bool realtime_diaplay_mode, halide_buffer_t * pixel_format_buf, + bool dispose, int32_t num_sensor, bool frame_sync, bool realtime_display_mode, halide_buffer_t * pixel_format_buf, halide_buffer_t* out) { - return ion::bb::image_io::u3v_camera_frame_count(dispose, num_sensor, frame_sync, realtime_diaplay_mode, pixel_format_buf, out); + return ion::bb::image_io::u3v_camera_frame_count(dispose, num_sensor, frame_sync, realtime_display_mode, pixel_format_buf, out); } ION_REGISTER_EXTERN(ion_bb_image_io_u3v_camera1_frame_count); @@ -1012,17 +1043,17 @@ extern "C" int ION_EXPORT ion_bb_image_io_u3v_camera2_frame_count( halide_buffer_t *, halide_buffer_t *, - bool dispose, int32_t num_sensor, bool frame_sync, bool realtime_diaplay_mode, halide_buffer_t * pixel_format_buf, + bool dispose, int32_t num_sensor, bool frame_sync, bool realtime_display_mode, halide_buffer_t * pixel_format_buf, halide_buffer_t* out) { - return ion::bb::image_io::u3v_camera_frame_count(dispose, num_sensor, frame_sync, realtime_diaplay_mode, pixel_format_buf, out); + return ion::bb::image_io::u3v_camera_frame_count(dispose, num_sensor, frame_sync, realtime_display_mode, pixel_format_buf, out); } ION_REGISTER_EXTERN(ion_bb_image_io_u3v_camera2_frame_count); extern "C" int ION_EXPORT ion_bb_image_io_u3v_gendc_camera1( bool dispose, - bool frame_sync, bool realtime_diaplay_mode, + bool frame_sync, bool realtime_display_mode, halide_buffer_t* gain, halide_buffer_t* exposure, halide_buffer_t* pixel_format_buf, halide_buffer_t * gain_key_buf, halide_buffer_t * exposure_key_buf, halide_buffer_t * out_gendc, halide_buffer_t * out_deviceinfo @@ -1034,7 +1065,7 @@ int ION_EXPORT ion_bb_image_io_u3v_gendc_camera1( const ::std::string gain_key(reinterpret_cast(gain_key_buf->host)); const ::std::string exposure_key(reinterpret_cast(exposure_key_buf->host)); const ::std::string pixel_format(reinterpret_cast(pixel_format_buf->host)); - auto &u3v(ion::bb::image_io::U3V::get_instance(pixel_format, num_output, false, realtime_diaplay_mode)); + auto &u3v(ion::bb::image_io::U3V::get_instance(pixel_format, num_output, false, realtime_display_mode)); if (out_gendc->is_bounds_query() || out_deviceinfo->is_bounds_query() || gain->is_bounds_query() || exposure->is_bounds_query()) { gain->dim[0].min = 0; gain->dim[0].extent = num_output; @@ -1058,11 +1089,11 @@ int ION_EXPORT ion_bb_image_io_u3v_gendc_camera1( return 0; } catch (const std::exception &e) { - std::cerr << e.what() << std::endl; - return -1; + ion::log::error("Exception was thrown: {}", e.what()); + return 1; } catch (...) { - std::cerr << "Unknown error" << std::endl; - return -1; + ion::log::error("Unknown exception was thrown"); + return 1; } } ION_REGISTER_EXTERN(ion_bb_image_io_u3v_gendc_camera1); @@ -1070,7 +1101,7 @@ ION_REGISTER_EXTERN(ion_bb_image_io_u3v_gendc_camera1); extern "C" int ION_EXPORT ion_bb_image_io_u3v_gendc_camera2( bool dispose, - bool frame_sync, bool realtime_diaplay_mode, + bool frame_sync, bool realtime_display_mode, halide_buffer_t* gain, halide_buffer_t* exposure, halide_buffer_t* pixel_format_buf, halide_buffer_t * gain_key_buf, halide_buffer_t * exposure_key_buf, halide_buffer_t * gendc0, halide_buffer_t * gendc1, @@ -1083,7 +1114,7 @@ int ION_EXPORT ion_bb_image_io_u3v_gendc_camera2( const ::std::string gain_key(reinterpret_cast(gain_key_buf->host)); const ::std::string exposure_key(reinterpret_cast(exposure_key_buf->host)); const ::std::string pixel_format(reinterpret_cast(pixel_format_buf->host)); - auto &u3v(ion::bb::image_io::U3V::get_instance(pixel_format, 2, frame_sync, realtime_diaplay_mode)); + auto &u3v(ion::bb::image_io::U3V::get_instance(pixel_format, 2, frame_sync, realtime_display_mode)); if (gendc0->is_bounds_query() || gendc1->is_bounds_query() || gain->is_bounds_query() || exposure->is_bounds_query()) { gain->dim[0].min = 0; gain->dim[0].extent = num_output; @@ -1107,11 +1138,11 @@ int ION_EXPORT ion_bb_image_io_u3v_gendc_camera2( return 0; } catch (const std::exception &e) { - std::cerr << e.what() << std::endl; - return -1; + ion::log::error("Exception was thrown: {}", e.what()); + return 1; } catch (...) { - std::cerr << "Unknown error" << std::endl; - return -1; + ion::log::error("Unknown exception was thrown"); + return 1; } } ION_REGISTER_EXTERN(ion_bb_image_io_u3v_gendc_camera2); @@ -1119,7 +1150,7 @@ ION_REGISTER_EXTERN(ion_bb_image_io_u3v_gendc_camera2); extern "C" int ION_EXPORT ion_bb_image_io_u3v_multiple_camera1( bool dispose, - bool frame_sync, bool realtime_diaplay_mode, halide_buffer_t * gain, halide_buffer_t * exposure, + bool frame_sync, bool realtime_display_mode, halide_buffer_t * gain, halide_buffer_t * exposure, halide_buffer_t* pixel_format_buf, halide_buffer_t * gain_key_buf, halide_buffer_t * exposure_key_buf, halide_buffer_t * out0) { @@ -1129,7 +1160,7 @@ int ION_EXPORT ion_bb_image_io_u3v_multiple_camera1( const ::std::string gain_key(reinterpret_cast(gain_key_buf->host)); const ::std::string exposure_key(reinterpret_cast(exposure_key_buf->host)); const ::std::string pixel_format(reinterpret_cast(pixel_format_buf->host)); - auto &u3v(ion::bb::image_io::U3V::get_instance(pixel_format, num_output, false, realtime_diaplay_mode)); + auto &u3v(ion::bb::image_io::U3V::get_instance(pixel_format, num_output, false, realtime_display_mode)); if (out0->is_bounds_query() || gain->is_bounds_query() || exposure->is_bounds_query()) { gain->dim[0].min = 0; gain->dim[0].extent = num_output; @@ -1152,11 +1183,11 @@ int ION_EXPORT ion_bb_image_io_u3v_multiple_camera1( return 0; } catch (const std::exception &e) { - std::cerr << e.what() << std::endl; - return -1; + ion::log::error("Exception was thrown: {}", e.what()); + return 1; } catch (...) { - std::cerr << "Unknown error" << std::endl; - return -1; + ion::log::error("Unknown exception was thrown"); + return 1; } } ION_REGISTER_EXTERN(ion_bb_image_io_u3v_multiple_camera1); @@ -1164,7 +1195,7 @@ ION_REGISTER_EXTERN(ion_bb_image_io_u3v_multiple_camera1); extern "C" int ION_EXPORT ion_bb_image_io_u3v_multiple_camera2( bool dispose, - bool frame_sync, bool realtime_diaplay_mode, halide_buffer_t * gain, halide_buffer_t * exposure, + bool frame_sync, bool realtime_display_mode, halide_buffer_t * gain, halide_buffer_t * exposure, halide_buffer_t* pixel_format_buf, halide_buffer_t * gain_key_buf, halide_buffer_t * exposure_key_buf, halide_buffer_t * out0, halide_buffer_t * out1) { @@ -1174,7 +1205,7 @@ int ION_EXPORT ion_bb_image_io_u3v_multiple_camera2( const ::std::string gain_key(reinterpret_cast(gain_key_buf->host)); const ::std::string exposure_key(reinterpret_cast(exposure_key_buf->host)); const ::std::string pixel_format(reinterpret_cast(pixel_format_buf->host)); - auto &u3v(ion::bb::image_io::U3V::get_instance(pixel_format, 2, frame_sync, realtime_diaplay_mode)); + auto &u3v(ion::bb::image_io::U3V::get_instance(pixel_format, 2, frame_sync, realtime_display_mode)); if (out0->is_bounds_query() || out1->is_bounds_query() || gain->is_bounds_query() || exposure->is_bounds_query()) { gain->dim[0].min = 0; gain->dim[0].extent = num_output; @@ -1197,11 +1228,11 @@ int ION_EXPORT ion_bb_image_io_u3v_multiple_camera2( return 0; } catch (const std::exception &e) { - std::cerr << e.what() << std::endl; - return -1; + ion::log::error("Exception was thrown: {}", e.what()); + return 1; } catch (...) { - std::cerr << "Unknown error" << std::endl; - return -1; + ion::log::error("Unknown exception was thrown"); + return 1; } } ION_REGISTER_EXTERN(ion_bb_image_io_u3v_multiple_camera2); @@ -1209,10 +1240,10 @@ ION_REGISTER_EXTERN(ion_bb_image_io_u3v_multiple_camera2); extern "C" int ION_EXPORT ion_bb_image_io_u3v_multiple_camera_frame_count1( halide_buffer_t *, - bool dispose, int32_t num_sensor, bool frame_sync, bool realtime_diaplay_mode, halide_buffer_t * pixel_format_buf, + bool dispose, int32_t num_sensor, bool frame_sync, bool realtime_display_mode, halide_buffer_t * pixel_format_buf, halide_buffer_t* out) { - return ion::bb::image_io::u3v_camera_frame_count(dispose, num_sensor, frame_sync, realtime_diaplay_mode, pixel_format_buf, out); + return ion::bb::image_io::u3v_camera_frame_count(dispose, num_sensor, frame_sync, realtime_display_mode, pixel_format_buf, out); } ION_REGISTER_EXTERN(ion_bb_image_io_u3v_multiple_camera_frame_count1); @@ -1220,10 +1251,10 @@ extern "C" int ION_EXPORT ion_bb_image_io_u3v_multiple_camera_frame_count2( halide_buffer_t *, halide_buffer_t *, - bool dispose, int32_t num_sensor, bool frame_sync, bool realtime_diaplay_mode, halide_buffer_t * pixel_format_buf, + bool dispose, int32_t num_sensor, bool frame_sync, bool realtime_display_mode, halide_buffer_t * pixel_format_buf, halide_buffer_t* out) { - return ion::bb::image_io::u3v_camera_frame_count(dispose, num_sensor, frame_sync, realtime_diaplay_mode, pixel_format_buf, out); + return ion::bb::image_io::u3v_camera_frame_count(dispose, num_sensor, frame_sync, realtime_display_mode, pixel_format_buf, out); } ION_REGISTER_EXTERN(ion_bb_image_io_u3v_multiple_camera_frame_count2); diff --git a/include/ion-bb-image-io/rt_v4l2.h b/src/bb/image-io/rt_v4l2.h similarity index 85% rename from include/ion-bb-image-io/rt_v4l2.h rename to src/bb/image-io/rt_v4l2.h index 98dd9d7d..045f0139 100644 --- a/include/ion-bb-image-io/rt_v4l2.h +++ b/src/bb/image-io/rt_v4l2.h @@ -21,12 +21,14 @@ #include -#include "rt_common.h" - -#include "httplib.h" #include #include +#include "log.h" + +#include "rt_common.h" +#include "httplib.h" + namespace ion { namespace bb { namespace image_io { @@ -83,19 +85,19 @@ class V4L2 { const char *dev_name = dev_name_str.c_str(); struct stat st; if (-1 == stat(dev_name, &st)) { - std::cerr << format("Fallback to simulation mode: Could not find %s", dev_name) << std::endl; + log::warn("Fallback to simulation mode: Could not find {}", dev_name); sim_mode_ = true;; return; } if (!S_ISCHR(st.st_mode)) { - std::cerr << format("Fallback to simulation mode: %s is no device", dev_name) << std::endl; + log::warn("Fallback to simulation mode: {} is not proper device", dev_name); sim_mode_ = true;; return; } fd_ = open(dev_name, O_RDWR | O_NONBLOCK, 0); if (-1 == fd_) { - std::cerr << format("Fallback to simulation mode: Cannot open '%s': %d, %s", dev_name, errno, strerror(errno)) << std::endl; + log::warn("Fallback to simulation mode: Cannot open {}: {}, {}", dev_name, errno, strerror(errno)); sim_mode_ = true;; return; } @@ -103,22 +105,22 @@ class V4L2 { struct v4l2_capability cap; if (-1 == xioctl(fd_, VIDIOC_QUERYCAP, &cap)) { if (EINVAL == errno) { - std::cerr << format("Fallback to simulation mode: %s is no V4L2 device", dev_name) << std::endl; + log::warn("Fallback to simulation mode: {} is not V4L2 device", dev_name); sim_mode_ = true;; return; } else { - std::cerr << format("Fallback to simulation mode: %s error %d, %s\n", "VIDIOC_QUERYCAP", errno, strerror(errno)) << std::endl; + log::warn("Fallback to simulation mode: {} error {}, {}", "VIDIOC_QUERYCAP", errno, strerror(errno)); sim_mode_ = true;; return; } } if (!(cap.capabilities & V4L2_CAP_VIDEO_CAPTURE)) { - std::cerr << format("Fallback to simulation mode: %s is no video capture device", dev_name) << std::endl; + log::warn("Fallback to simulation mode: {} is not video capture device", dev_name); sim_mode_ = true;; return; } if (!(cap.capabilities & V4L2_CAP_STREAMING)) { - std::cerr << format("Fallback to simulation mode: %s does not support streaming i/o", dev_name) << std::endl; + log::warn("Fallback to simulation mode: {} s does not support streaming i/o", dev_name); sim_mode_ = true;; return; } @@ -137,7 +139,7 @@ class V4L2 { fmtdesc.index++; } if (!supported) { - std::cerr << format("Fallback to simulation mode: %s does not support desired pixel format", dev_name) << std::endl; + log::warn("Fallback to simulation mode: {} does not support desired pixel format", dev_name); sim_mode_ = true;; return; } @@ -153,12 +155,12 @@ class V4L2 { }}, }; if (-1 == xioctl(fd_, VIDIOC_S_FMT, &fmt)) { - std::cerr << format("Fallback to simulation mode: %s error %d, %s\n", "VIDIOC_S_FMT", errno, strerror(errno)) << std::endl; + log::warn("Fallback to simulation mode: {} error {}, {}", "VIDIOC_S_FMT", errno, strerror(errno)); sim_mode_ = true;; return; } if (width != fmt.fmt.pix.width || height != fmt.fmt.pix.height) { - std::cerr << format("Fallback to simulation mode: %s does not support desired resolution", dev_name) << std::endl; + log::warn("Fallback to simulation mode: {} does not support desired resolution", dev_name); sim_mode_ = true;; return; } @@ -169,14 +171,14 @@ class V4L2 { }; if (-1 == xioctl(fd_, VIDIOC_G_PARM, &strmp)) { - std::cerr << format("Fallback to simulation mode: %s error %d, %s\n", "VIDIOC_G_PARM", errno, strerror(errno)) << std::endl; + log::warn("Fallback to simulation mode: {} error {}, {}", "VIDIOC_G_PARM", errno, strerror(errno)); sim_mode_ = true;; return; } strmp.parm.capture.timeperframe.numerator = 1; strmp.parm.capture.timeperframe.denominator = fps; if (-1 == xioctl(fd_, VIDIOC_S_PARM, &strmp)) { - std::cerr << format("Fallback to simulation mode: %s error %d, %s\n", "VIDIOC_S_PARM", errno, strerror(errno)) << std::endl; + log::warn("Fallback to simulation mode: {} error {}, {}", "VIDIOC_S_PARM", errno, strerror(errno)); sim_mode_ = true;; return; } @@ -191,11 +193,11 @@ class V4L2 { if (-1 == xioctl(fd_, VIDIOC_REQBUFS, &req)) { if (EINVAL == errno) { - std::cerr << format("Fallback to simulation mode: %s does not support memory mapping\n", dev_name) << std::endl; + log::warn("Fallback to simulation mode: {} does not support memory mapping", dev_name); sim_mode_ = true;; return; } else { - std::cerr << format("Fallback to simulation mode: %s error %d, %s\n", "VIDIOC_REQBUFS", errno, strerror(errno)) << std::endl; + log::warn("Fallback to simulation mode: {} error {}, {}", "VIDIOC_REQBUFS", errno, strerror(errno)); sim_mode_ = true;; return; } @@ -224,7 +226,7 @@ class V4L2 { /* enqueue an empty (capturing) or filled (output) buffer in the driver's incoming queue */ if (-1 == xioctl(fd_, VIDIOC_QBUF, &buf)) { - std::cerr << format("Fallback to simulation mode: %s error %d, %s\n", "VIDIOC_QBUF", errno, strerror(errno)) << std::endl; + log::warn("Fallback to simulation mode: {} error {}, {}", "VIDIOC_QBUF", errno, strerror(errno)); sim_mode_ = true;; return; } @@ -238,7 +240,7 @@ class V4L2 { enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE; /* Start streaming I/O */ if (-1 == xioctl(fd_, VIDIOC_STREAMON, &type)) { - std::cerr << format("Fallback to simulation mode: %s error %d, %s\n", "VIDIOC_STREAMON", errno, strerror(errno)) << std::endl; + log::warn("Fallback to simulation mode: {} error {}, {}\n", "VIDIOC_STREAMON", errno, strerror(errno)); sim_mode_ = true;; return; } @@ -248,7 +250,7 @@ class V4L2 { // efd_ = epoll_create1(0); if (-1 == efd_) { - std::cerr << format("Fallback to simulation mode: %s error %d, %s\n", "epoll_create1", errno, strerror(errno)) << std::endl; + log::warn("Fallback to simulation mode: {} error {}, {}", "epoll_create1", errno, strerror(errno)); sim_mode_ = true;; return; } @@ -258,7 +260,7 @@ class V4L2 { event.data.fd = fd_; if (-1 == epoll_ctl(efd_, EPOLL_CTL_ADD, fd_, &event)) { - std::cerr << format("Fallback to simulation mode: %s error %d, %s\n", "epoll_ctl", errno, strerror(errno)) << std::endl; + log::warn("Fallback to simulation mode: {} error {}, {}", "epoll_ctl", errno, strerror(errno)); sim_mode_ = true;; return; } @@ -440,14 +442,14 @@ class V4L2 { /* queue-in buffer */ if (-1 == xioctl(fd_, VIDIOC_QBUF, &next_buffer_)) { - std::cerr << format("Fallback to simulation mode: %s error %d, %s\n", "VIDIOC_QBUF", errno, strerror(errno)) << std::endl; + log::warn("Fallback to simulation mode: {} error {}, {}", "VIDIOC_QBUF", errno, strerror(errno)); sim_mode_ = true; return; } epoll_event event; if (-1 == epoll_wait(efd_, &event, 1, -1)) { - std::cerr << format("Fallback to simulation mode: %s error %d, %s\n", "epoll_wait", errno, strerror(errno)) << std::endl; + log::warn("Fallback to simulation mode: {} error {}, {}", "epoll_wait", errno, strerror(errno)); sim_mode_ = true; return; } @@ -464,7 +466,7 @@ class V4L2 { if (EAGAIN == errno) { return; } else { - std::cerr << format("Fallback to simulation mode: %s error %d, %s\n", "VIDIOC_DQBUF", errno, strerror(errno)) << std::endl; + log::warn("Fallback to simulation mode: {} error {}, {}", "VIDIOC_DQBUF", errno, strerror(errno)); sim_mode_ = true; return; } @@ -537,16 +539,18 @@ extern "C" ION_EXPORT int ion_bb_image_io_v4l2( auto &v4l2(ion::bb::image_io::V4L2::get_instance(instance_id, index, fps, width, height, pixel_format, gain_r, gain_g, gain_b, offset, bit_width, bit_shift, static_cast(force_sim_mode), reinterpret_cast(url_buf->host))); Halide::Runtime::Buffer obuf(*out); v4l2.get(obuf); + return 0; } catch (const std::exception &e) { - std::cerr << e.what() << std::endl; - return -1; + ion::log::error("Exception was thrown: {}", e.what()); + return 1; } catch (...) { - std::cerr << "Unknown error" << std::endl; - return -1; + ion::log::error("Unknown exception was thrown"); + return 1; } } +ION_REGISTER_EXTERN(ion_bb_image_io_v4l2) extern "C" int ION_EXPORT ion_bb_image_io_camera(int32_t instance_id, int32_t index, int32_t fps, int32_t width, int32_t height, halide_buffer_t *url_buf, halide_buffer_t *out) { try { @@ -565,12 +569,13 @@ extern "C" int ION_EXPORT ion_bb_image_io_camera(int32_t instance_id, int32_t in return 0; } catch (const std::exception &e) { - std::cerr << e.what() << std::endl; - return -1; + ion::log::error("Exception was thrown: {}", e.what()); + return 1; } catch (...) { - std::cerr << "Unknown error" << std::endl; - return -1; + ion::log::error("Unknown exception was thrown"); + return 1; } } +ION_REGISTER_EXTERN(ion_bb_image_io_camera) #endif diff --git a/include/ion-bb-image-io/thirdparty_notice.txt b/src/bb/image-io/thirdparty_notice.txt similarity index 100% rename from include/ion-bb-image-io/thirdparty_notice.txt rename to src/bb/image-io/thirdparty_notice.txt diff --git a/include/ion-bb-image-io/zip_file.hpp b/src/bb/image-io/zip_file.hpp similarity index 100% rename from include/ion-bb-image-io/zip_file.hpp rename to src/bb/image-io/zip_file.hpp diff --git a/include/ion-bb-image-processing/Dockerfile b/src/bb/image-processing/Dockerfile similarity index 100% rename from include/ion-bb-image-processing/Dockerfile rename to src/bb/image-processing/Dockerfile diff --git a/include/ion-bb-image-processing/README.en.md b/src/bb/image-processing/README.en.md similarity index 100% rename from include/ion-bb-image-processing/README.en.md rename to src/bb/image-processing/README.en.md diff --git a/include/ion-bb-image-processing/README.ja.md b/src/bb/image-processing/README.ja.md similarity index 100% rename from include/ion-bb-image-processing/README.ja.md rename to src/bb/image-processing/README.ja.md diff --git a/include/ion-bb-image-processing/bb.h b/src/bb/image-processing/bb.h similarity index 100% rename from include/ion-bb-image-processing/bb.h rename to src/bb/image-processing/bb.h diff --git a/include/ion-bb-core/config.cmake b/src/bb/image-processing/config.cmake similarity index 100% rename from include/ion-bb-core/config.cmake rename to src/bb/image-processing/config.cmake diff --git a/include/ion-bb-image-processing/rt.h b/src/bb/image-processing/rt.h similarity index 91% rename from include/ion-bb-image-processing/rt.h rename to src/bb/image-processing/rt.h index 617d0f7e..6739a8ce 100644 --- a/include/ion-bb-image-processing/rt.h +++ b/src/bb/image-processing/rt.h @@ -1,7 +1,6 @@ // Don't use this file. // You can add only BB written by pure Halide function to ion-bb-image-processing. -#if defined(ION_ENABLE_JIT_EXTERN) #include namespace ion { @@ -20,4 +19,3 @@ class RegisterExtern { } // image_io } // bb } // ion -#endif diff --git a/include/ion-bb-opencv/bb.h b/src/bb/opencv/bb.h similarity index 100% rename from include/ion-bb-opencv/bb.h rename to src/bb/opencv/bb.h diff --git a/include/ion-bb-opencv/config.cmake b/src/bb/opencv/config.cmake similarity index 100% rename from include/ion-bb-opencv/config.cmake rename to src/bb/opencv/config.cmake diff --git a/include/ion-bb-opencv/rt.h b/src/bb/opencv/rt.h similarity index 96% rename from include/ion-bb-opencv/rt.h rename to src/bb/opencv/rt.h index a9acc49b..b5067041 100644 --- a/include/ion-bb-opencv/rt.h +++ b/src/bb/opencv/rt.h @@ -12,7 +12,6 @@ #define ION_EXPORT #endif -#if defined(ION_ENABLE_JIT_EXTERN) #include namespace ion { namespace bb { @@ -31,9 +30,6 @@ class RegisterExtern { } // bb } // ion #define ION_REGISTER_EXTERN(NAME) static auto ion_register_extern_##NAME = ion::bb::opencv::RegisterExtern(#NAME, NAME); -#else -#define ION_REGISTER_EXTERN(NAME) -#endif namespace { int hl2cv_type(halide_type_t hl_type, int channel) { diff --git a/include/ion-bb-sgm/Dockerfile b/src/bb/sgm/Dockerfile similarity index 100% rename from include/ion-bb-sgm/Dockerfile rename to src/bb/sgm/Dockerfile diff --git a/include/ion-bb-sgm/README.en.md b/src/bb/sgm/README.en.md similarity index 100% rename from include/ion-bb-sgm/README.en.md rename to src/bb/sgm/README.en.md diff --git a/include/ion-bb-sgm/README.ja.md b/src/bb/sgm/README.ja.md similarity index 100% rename from include/ion-bb-sgm/README.ja.md rename to src/bb/sgm/README.ja.md diff --git a/include/ion-bb-sgm/bb.h b/src/bb/sgm/bb.h similarity index 100% rename from include/ion-bb-sgm/bb.h rename to src/bb/sgm/bb.h diff --git a/include/ion-bb-image-processing/config.cmake b/src/bb/sgm/config.cmake similarity index 100% rename from include/ion-bb-image-processing/config.cmake rename to src/bb/sgm/config.cmake diff --git a/include/ion-bb-sgm/rt.h b/src/bb/sgm/rt.h similarity index 100% rename from include/ion-bb-sgm/rt.h rename to src/bb/sgm/rt.h diff --git a/src/builder.cc b/src/builder.cc index d9d6068f..4e4842d0 100644 --- a/src/builder.cc +++ b/src/builder.cc @@ -6,12 +6,15 @@ #include "ion/builder.h" #include "ion/generator.h" -#include "ion/json.hpp" #include "ion/util.h" +#include "json/json.hpp" +#include "uuid/sole.hpp" + +#include "log.h" #include "dynamic_module.h" #include "metadata.h" -#include "sole.hpp" +#include "serializer.h" namespace ion { @@ -75,6 +78,7 @@ using json = nlohmann::json; Builder::Builder() { + } Node Builder::add(const std::string& k) @@ -218,6 +222,8 @@ Halide::Pipeline Builder::build(const ion::PortMap& pm, std::vector& Builder::get_nodes() const { - return nodes_; -} - } //namespace ion diff --git a/src/dynamic_module.h b/src/dynamic_module.h index 2cf8523a..f8ba59ef 100644 --- a/src/dynamic_module.h +++ b/src/dynamic_module.h @@ -1,15 +1,19 @@ #ifndef ION_DYNAMIC_MODULE_H #define ION_DYNAMIC_MODULE_H +#include + #ifdef _WIN32 #define WIN32_LEAN_AND_MEAN #include +#define ION_DYNAMIC_MODULE_PREFIX "" +#define ION_DYNAMIC_MODULE_EXT ".dll" #else #include +#define ION_DYNAMIC_MODULE_PREFIX "lib" +#define ION_DYNAMIC_MODULE_EXT ".so" #endif -namespace {} - namespace ion { class DynamicModule { @@ -21,19 +25,28 @@ class DynamicModule { using Handle = void*; #endif - DynamicModule(const std::string& module_path) { - if (module_path == "") { + DynamicModule(const std::string& module_name_or_path) { + if (module_name_or_path == "") { handle_ = nullptr; return; } + std::string target; + if (std::filesystem::exists(module_name_or_path)) { + target = module_name_or_path; + } else { + target = std::string(ION_DYNAMIC_MODULE_PREFIX) + module_name_or_path + std::string(ION_DYNAMIC_MODULE_EXT); + } + + // TODO: WIP: test moduel_name_or_path using std::filesystem + #ifdef _WIN32 - handle_ = LoadLibraryA(module_path.c_str()); + handle_ = LoadLibraryA(target.c_str()); if (handle_ == nullptr) { throw std::runtime_error(getErrorString()); } #else - handle_ = dlopen(module_path.c_str(), RTLD_NOW); + handle_ = dlopen(target.c_str(), RTLD_NOW); if (handle_ == nullptr) { throw std::runtime_error(getErrorString()); } @@ -44,11 +57,6 @@ class DynamicModule { if (handle_ != nullptr) { // NOTE: DSO which is loaded by with_bb_module should not be unloaded even if Builder is destructed. // Loading more than twice does not have any side effects. -#ifdef _WIN32 -// FreeLibrary(handle_); -#else -// dlclose(handle_); -#endif } } diff --git a/include/ion-bb-image-io/nlohmann/json.hpp b/src/json/json.hpp similarity index 100% rename from include/ion-bb-image-io/nlohmann/json.hpp rename to src/json/json.hpp diff --git a/src/log.cc b/src/log.cc new file mode 100644 index 00000000..d981178b --- /dev/null +++ b/src/log.cc @@ -0,0 +1,28 @@ +#include "spdlog/cfg/helpers.h" +#include "spdlog/details/os.h" +#include "spdlog/sinks/stdout_color_sinks.h" +#include "spdlog/sinks/basic_file_sink.h" + +#include "log.h" + +namespace { + +struct Logger { + Logger() + { + auto console_sink = std::make_shared(); + auto env_val = spdlog::details::os::getenv("ION_LOG_LEVEL"); + if (env_val.empty()) { + console_sink->set_level(spdlog::level::critical); + } else { + console_sink->set_level(spdlog::level::from_str(env_val)); + } + + auto file_sink = std::make_shared("logs/ion.log", false); + file_sink->set_level(spdlog::level::trace); + + spdlog::register_logger(std::make_shared("ion", spdlog::sinks_init_list{console_sink, file_sink})); + } +} logger; + +} // anonymous diff --git a/src/log.h b/src/log.h new file mode 100644 index 00000000..24ec49af --- /dev/null +++ b/src/log.h @@ -0,0 +1,17 @@ +#ifndef ION_LOG_H +#define ION_LOG_H + +#include "spdlog/spdlog.h" + +namespace ion { +namespace log { +template static void critical(Types... args) { spdlog::get("ion")->critical(args...); } +template static void error (Types... args) { spdlog::get("ion")->error (args...); } +template static void warn (Types... args) { spdlog::get("ion")->warn (args...); } +template static void info (Types... args) { spdlog::get("ion")->info (args...); } +template static void debug (Types... args) { spdlog::get("ion")->debug (args...); } +template static void trace (Types... args) { spdlog::get("ion")->trace (args...); } +} // log +} // ion + +#endif diff --git a/src/metadata.cc b/src/metadata.cc index 0914781f..73992aa9 100644 --- a/src/metadata.cc +++ b/src/metadata.cc @@ -1,10 +1,11 @@ #include #include "ion/generator.h" -#include "ion/json.hpp" #include "ion/port.h" +#include "json/json.hpp" #include "metadata.h" +#include "serializer.h" namespace { diff --git a/src/metadata.h b/src/metadata.h index e935e6a8..91296913 100644 --- a/src/metadata.h +++ b/src/metadata.h @@ -6,7 +6,7 @@ #include -#include "ion/json.hpp" +#include "json/json.hpp" namespace ion { diff --git a/src/node.cc b/src/node.cc deleted file mode 100644 index 55adf017..00000000 --- a/src/node.cc +++ /dev/null @@ -1,27 +0,0 @@ -#include - -#include - -#include "ion/json.hpp" -#include "ion/node.h" -#include "ion/param.h" -#include "ion/port.h" - -namespace ion { -void to_json(json& j, const Node& v) { - j["id"] = v.impl_->id; - j["name"] = v.impl_->name; - j["target"] = v.impl_->target.to_string(); - j["params"] = v.impl_->params; - j["ports"] = v.impl_->ports; -} - -void from_json(const json& j, Node& v) { - v.impl_->id = j["id"].get(); - v.impl_->name = j["name"].get(); - v.impl_->target = Halide::Target(j["target"].get()); - v.impl_->params = j["params"].get>(); - v.impl_->ports = j["ports"].get>(); -} - -} // namespace ion diff --git a/src/param.cc b/src/param.cc deleted file mode 100644 index 2bdeb39a..00000000 --- a/src/param.cc +++ /dev/null @@ -1,15 +0,0 @@ -#include "ion/param.h" - -namespace ion { - -void to_json(json& j, const Param& v) { - j["key_"] = v.key_; - j["val_"] = v.val_; -} - -void from_json(const json& j, Param& v) { - v.key_ = j["key_"].get(); - v.val_ = j["val_"].get(); -} - -} // namespace ion diff --git a/src/port.cc b/src/port.cc index 0eafdbad..23d5e024 100644 --- a/src/port.cc +++ b/src/port.cc @@ -1,6 +1,5 @@ #include -#include "ion/json.hpp" #include "ion/port.h" namespace ion { @@ -26,23 +25,4 @@ DEFINE_SET_TO_PARAM(float, f32_); DEFINE_SET_TO_PARAM(double, f64_); #undef DEFINE_SET_TO_PARAM -void to_json(json& j, const Port& v) { - j["key_"] = v.key_; - j["type_"] = static_cast(v.type_); - j["dimensions_"] = v.dimensions_; - j["node_id_"] = v.node_id_; -} - -void from_json(const json& j, Port& v) { - v.key_ = j["key_"].get(); - v.type_ = j["type_"].get(); - v.dimensions_ = j["dimensions_"]; - v.node_id_ = j["node_id_"].get(); - if (v.node_id_.empty()) { - v.param_info_ = std::make_shared(v.key_, v.type_, v.dimensions_); - } else { - v.param_info_ = nullptr; - } -} - } // namespace ion diff --git a/src/serializer.h b/src/serializer.h new file mode 100644 index 00000000..5221a9bb --- /dev/null +++ b/src/serializer.h @@ -0,0 +1,86 @@ +#ifndef ION_SERIALIZER_H +#define ION_SERIALIZER_H + +#include "ion/node.h" +#include "ion/param.h" +#include "ion/port.h" + +#include "json/json.hpp" + +namespace nlohmann { + +template <> +class adl_serializer { +public: + static void to_json(json& j, const halide_type_t& v) { + j["code"] = v.code; + j["bits"] = v.bits; + j["lanes"] = v.lanes; + } + + static void from_json(const json& j, halide_type_t& v) { + v.code = j["code"]; + v.bits = j["bits"]; + v.lanes = j["lanes"]; + } +}; + +template <> +class adl_serializer { +public: +static void to_json(json& j, const ion::Param& v) { + j["key_"] = v.key(); + j["val_"] = v.val(); +} + +static void from_json(const json& j, ion::Param& v) { + v.key() = j["key_"].get(); + v.val() = j["val_"].get(); +} +}; + +template<> +class adl_serializer { + public: + static void to_json(json& j, const ion::Port& v) { + j["key_"] = v.key(); + j["type_"] = static_cast(v.type()); + j["dimensions_"] = v.dimensions(); + j["node_id_"] = v.node_id(); + } + + static void from_json(const json& j, ion::Port& v) { + v.key() = j["key_"].get(); + v.type() = j["type_"].get(); + v.dimensions() = j["dimensions_"]; + v.node_id() = j["node_id_"].get(); + if (v.node_id().empty()) { + v.param_info() = std::make_shared(v.key(), v.type(), v.dimensions()); + } else { + v.param_info() = nullptr; + } + } +}; + +template <> +class adl_serializer { + public: + static void to_json(json& j, const ion::Node& v) { + j["id"] = v.id(); + j["name"] = v.name(); + j["target"] = v.target().to_string(); + j["params"] = v.params(); + j["ports"] = v.ports(); + } + + static void from_json(const json& j, ion::Node& v) { + v.id() = j["id"].get(); + v.name() = j["name"].get(); + v.target() = Halide::Target(j["target"].get()); + v.params() = j["params"].get>(); + v.ports() = j["ports"].get>(); + } +}; +} + +#endif diff --git a/src/spdlog/async.h b/src/spdlog/async.h new file mode 100644 index 00000000..94f9f6d9 --- /dev/null +++ b/src/spdlog/async.h @@ -0,0 +1,99 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +// +// Async logging using global thread pool +// All loggers created here share same global thread pool. +// Each log message is pushed to a queue along with a shared pointer to the +// logger. +// If a logger deleted while having pending messages in the queue, it's actual +// destruction will defer +// until all its messages are processed by the thread pool. +// This is because each message in the queue holds a shared_ptr to the +// originating logger. + +#include +#include +#include + +#include +#include +#include + +namespace spdlog { + +namespace details { +static const size_t default_async_q_size = 8192; +} + +// async logger factory - creates async loggers backed with thread pool. +// if a global thread pool doesn't already exist, create it with default queue +// size of 8192 items and single thread. +template +struct async_factory_impl +{ + template + static std::shared_ptr create(std::string logger_name, SinkArgs &&...args) + { + auto ®istry_inst = details::registry::instance(); + + // create global thread pool if not already exists.. + + auto &mutex = registry_inst.tp_mutex(); + std::lock_guard tp_lock(mutex); + auto tp = registry_inst.get_tp(); + if (tp == nullptr) + { + tp = std::make_shared(details::default_async_q_size, 1U); + registry_inst.set_tp(tp); + } + + auto sink = std::make_shared(std::forward(args)...); + auto new_logger = std::make_shared(std::move(logger_name), std::move(sink), std::move(tp), OverflowPolicy); + registry_inst.initialize_logger(new_logger); + return new_logger; + } +}; + +using async_factory = async_factory_impl; +using async_factory_nonblock = async_factory_impl; + +template +inline std::shared_ptr create_async(std::string logger_name, SinkArgs &&...sink_args) +{ + return async_factory::create(std::move(logger_name), std::forward(sink_args)...); +} + +template +inline std::shared_ptr create_async_nb(std::string logger_name, SinkArgs &&...sink_args) +{ + return async_factory_nonblock::create(std::move(logger_name), std::forward(sink_args)...); +} + +// set global thread pool. +inline void init_thread_pool( + size_t q_size, size_t thread_count, std::function on_thread_start, std::function on_thread_stop) +{ + auto tp = std::make_shared(q_size, thread_count, on_thread_start, on_thread_stop); + details::registry::instance().set_tp(std::move(tp)); +} + +inline void init_thread_pool(size_t q_size, size_t thread_count, std::function on_thread_start) +{ + init_thread_pool(q_size, thread_count, on_thread_start, [] {}); +} + +inline void init_thread_pool(size_t q_size, size_t thread_count) +{ + init_thread_pool( + q_size, thread_count, [] {}, [] {}); +} + +// get the global thread pool. +inline std::shared_ptr thread_pool() +{ + return details::registry::instance().get_tp(); +} +} // namespace spdlog diff --git a/src/spdlog/async_logger-inl.h b/src/spdlog/async_logger-inl.h new file mode 100644 index 00000000..4de8382a --- /dev/null +++ b/src/spdlog/async_logger-inl.h @@ -0,0 +1,90 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +#ifndef SPDLOG_HEADER_ONLY +# include +#endif + +#include +#include + +#include +#include + +SPDLOG_INLINE spdlog::async_logger::async_logger( + std::string logger_name, sinks_init_list sinks_list, std::weak_ptr tp, async_overflow_policy overflow_policy) + : async_logger(std::move(logger_name), sinks_list.begin(), sinks_list.end(), std::move(tp), overflow_policy) +{} + +SPDLOG_INLINE spdlog::async_logger::async_logger( + std::string logger_name, sink_ptr single_sink, std::weak_ptr tp, async_overflow_policy overflow_policy) + : async_logger(std::move(logger_name), {std::move(single_sink)}, std::move(tp), overflow_policy) +{} + +// send the log message to the thread pool +SPDLOG_INLINE void spdlog::async_logger::sink_it_(const details::log_msg &msg){ + SPDLOG_TRY{if (auto pool_ptr = thread_pool_.lock()){pool_ptr->post_log(shared_from_this(), msg, overflow_policy_); +} +else +{ + throw_spdlog_ex("async log: thread pool doesn't exist anymore"); +} +} +SPDLOG_LOGGER_CATCH(msg.source) +} + +// send flush request to the thread pool +SPDLOG_INLINE void spdlog::async_logger::flush_(){ + SPDLOG_TRY{if (auto pool_ptr = thread_pool_.lock()){pool_ptr->post_flush(shared_from_this(), overflow_policy_); +} +else +{ + throw_spdlog_ex("async flush: thread pool doesn't exist anymore"); +} +} +SPDLOG_LOGGER_CATCH(source_loc()) +} + +// +// backend functions - called from the thread pool to do the actual job +// +SPDLOG_INLINE void spdlog::async_logger::backend_sink_it_(const details::log_msg &msg) +{ + for (auto &sink : sinks_) + { + if (sink->should_log(msg.level)) + { + SPDLOG_TRY + { + sink->log(msg); + } + SPDLOG_LOGGER_CATCH(msg.source) + } + } + + if (should_flush_(msg)) + { + backend_flush_(); + } +} + +SPDLOG_INLINE void spdlog::async_logger::backend_flush_() +{ + for (auto &sink : sinks_) + { + SPDLOG_TRY + { + sink->flush(); + } + SPDLOG_LOGGER_CATCH(source_loc()) + } +} + +SPDLOG_INLINE std::shared_ptr spdlog::async_logger::clone(std::string new_name) +{ + auto cloned = std::make_shared(*this); + cloned->name_ = std::move(new_name); + return cloned; +} diff --git a/src/spdlog/async_logger.h b/src/spdlog/async_logger.h new file mode 100644 index 00000000..91a93fcb --- /dev/null +++ b/src/spdlog/async_logger.h @@ -0,0 +1,68 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +// Fast asynchronous logger. +// Uses pre allocated queue. +// Creates a single back thread to pop messages from the queue and log them. +// +// Upon each log write the logger: +// 1. Checks if its log level is enough to log the message +// 2. Push a new copy of the message to a queue (or block the caller until +// space is available in the queue) +// Upon destruction, logs all remaining messages in the queue before +// destructing.. + +#include + +namespace spdlog { + +// Async overflow policy - block by default. +enum class async_overflow_policy +{ + block, // Block until message can be enqueued + overrun_oldest // Discard oldest message in the queue if full when trying to + // add new item. +}; + +namespace details { +class thread_pool; +} + +class SPDLOG_API async_logger final : public std::enable_shared_from_this, public logger +{ + friend class details::thread_pool; + +public: + template + async_logger(std::string logger_name, It begin, It end, std::weak_ptr tp, + async_overflow_policy overflow_policy = async_overflow_policy::block) + : logger(std::move(logger_name), begin, end) + , thread_pool_(std::move(tp)) + , overflow_policy_(overflow_policy) + {} + + async_logger(std::string logger_name, sinks_init_list sinks_list, std::weak_ptr tp, + async_overflow_policy overflow_policy = async_overflow_policy::block); + + async_logger(std::string logger_name, sink_ptr single_sink, std::weak_ptr tp, + async_overflow_policy overflow_policy = async_overflow_policy::block); + + std::shared_ptr clone(std::string new_name) override; + +protected: + void sink_it_(const details::log_msg &msg) override; + void flush_() override; + void backend_sink_it_(const details::log_msg &incoming_log_msg); + void backend_flush_(); + +private: + std::weak_ptr thread_pool_; + async_overflow_policy overflow_policy_; +}; +} // namespace spdlog + +#ifdef SPDLOG_HEADER_ONLY +# include "async_logger-inl.h" +#endif diff --git a/src/spdlog/cfg/argv.h b/src/spdlog/cfg/argv.h new file mode 100644 index 00000000..36d9f1c4 --- /dev/null +++ b/src/spdlog/cfg/argv.h @@ -0,0 +1,44 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once +#include +#include + +// +// Init log levels using each argv entry that starts with "SPDLOG_LEVEL=" +// +// set all loggers to debug level: +// example.exe "SPDLOG_LEVEL=debug" + +// set logger1 to trace level +// example.exe "SPDLOG_LEVEL=logger1=trace" + +// turn off all logging except for logger1 and logger2: +// example.exe "SPDLOG_LEVEL=off,logger1=debug,logger2=info" + +namespace spdlog { +namespace cfg { + +// search for SPDLOG_LEVEL= in the args and use it to init the levels +inline void load_argv_levels(int argc, const char **argv) +{ + const std::string spdlog_level_prefix = "SPDLOG_LEVEL="; + for (int i = 1; i < argc; i++) + { + std::string arg = argv[i]; + if (arg.find(spdlog_level_prefix) == 0) + { + auto levels_string = arg.substr(spdlog_level_prefix.size()); + helpers::load_levels(levels_string); + } + } +} + +inline void load_argv_levels(int argc, char **argv) +{ + load_argv_levels(argc, const_cast(argv)); +} + +} // namespace cfg +} // namespace spdlog diff --git a/src/spdlog/cfg/env.h b/src/spdlog/cfg/env.h new file mode 100644 index 00000000..1f39ebbb --- /dev/null +++ b/src/spdlog/cfg/env.h @@ -0,0 +1,38 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once +#include +#include +#include + +// +// Init levels and patterns from env variables SPDLOG_LEVEL +// Inspired from Rust's "env_logger" crate (https://crates.io/crates/env_logger). +// Note - fallback to "info" level on unrecognized levels +// +// Examples: +// +// set global level to debug: +// export SPDLOG_LEVEL=debug +// +// turn off all logging except for logger1: +// export SPDLOG_LEVEL="*=off,logger1=debug" +// + +// turn off all logging except for logger1 and logger2: +// export SPDLOG_LEVEL="off,logger1=debug,logger2=info" + +namespace spdlog { +namespace cfg { +inline void load_env_levels() +{ + auto env_val = details::os::getenv("SPDLOG_LEVEL"); + if (!env_val.empty()) + { + helpers::load_levels(env_val); + } +} + +} // namespace cfg +} // namespace spdlog diff --git a/src/spdlog/cfg/helpers-inl.h b/src/spdlog/cfg/helpers-inl.h new file mode 100644 index 00000000..675a13af --- /dev/null +++ b/src/spdlog/cfg/helpers-inl.h @@ -0,0 +1,120 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +#ifndef SPDLOG_HEADER_ONLY +# include +#endif + +#include +#include +#include + +#include +#include +#include +#include + +namespace spdlog { +namespace cfg { +namespace helpers { + +// inplace convert to lowercase +inline std::string &to_lower_(std::string &str) +{ + std::transform( + str.begin(), str.end(), str.begin(), [](char ch) { return static_cast((ch >= 'A' && ch <= 'Z') ? ch + ('a' - 'A') : ch); }); + return str; +} + +// inplace trim spaces +inline std::string &trim_(std::string &str) +{ + const char *spaces = " \n\r\t"; + str.erase(str.find_last_not_of(spaces) + 1); + str.erase(0, str.find_first_not_of(spaces)); + return str; +} + +// return (name,value) trimmed pair from given "name=value" string. +// return empty string on missing parts +// "key=val" => ("key", "val") +// " key = val " => ("key", "val") +// "key=" => ("key", "") +// "val" => ("", "val") + +inline std::pair extract_kv_(char sep, const std::string &str) +{ + auto n = str.find(sep); + std::string k, v; + if (n == std::string::npos) + { + v = str; + } + else + { + k = str.substr(0, n); + v = str.substr(n + 1); + } + return std::make_pair(trim_(k), trim_(v)); +} + +// return vector of key/value pairs from sequence of "K1=V1,K2=V2,.." +// "a=AAA,b=BBB,c=CCC,.." => {("a","AAA"),("b","BBB"),("c", "CCC"),...} +inline std::unordered_map extract_key_vals_(const std::string &str) +{ + std::string token; + std::istringstream token_stream(str); + std::unordered_map rv{}; + while (std::getline(token_stream, token, ',')) + { + if (token.empty()) + { + continue; + } + auto kv = extract_kv_('=', token); + rv[kv.first] = kv.second; + } + return rv; +} + +SPDLOG_INLINE void load_levels(const std::string &input) +{ + if (input.empty() || input.size() > 512) + { + return; + } + + auto key_vals = extract_key_vals_(input); + std::unordered_map levels; + level::level_enum global_level = level::info; + bool global_level_found = false; + + for (auto &name_level : key_vals) + { + auto &logger_name = name_level.first; + auto level_name = to_lower_(name_level.second); + auto level = level::from_str(level_name); + // ignore unrecognized level names + if (level == level::off && level_name != "off") + { + continue; + } + if (logger_name.empty()) // no logger name indicate global level + { + global_level_found = true; + global_level = level; + } + else + { + levels[logger_name] = level; + } + } + + details::registry::instance().set_levels(std::move(levels), global_level_found ? &global_level : nullptr); +} + +} // namespace helpers +} // namespace cfg +} // namespace spdlog diff --git a/src/spdlog/cfg/helpers.h b/src/spdlog/cfg/helpers.h new file mode 100644 index 00000000..ab7584e0 --- /dev/null +++ b/src/spdlog/cfg/helpers.h @@ -0,0 +1,29 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +#include +#include + +namespace spdlog { +namespace cfg { +namespace helpers { +// +// Init levels from given string +// +// Examples: +// +// set global level to debug: "debug" +// turn off all logging except for logger1: "off,logger1=debug" +// turn off all logging except for logger1 and logger2: "off,logger1=debug,logger2=info" +// +SPDLOG_API void load_levels(const std::string &txt); +} // namespace helpers + +} // namespace cfg +} // namespace spdlog + +#ifdef SPDLOG_HEADER_ONLY +# include "helpers-inl.h" +#endif // SPDLOG_HEADER_ONLY diff --git a/src/spdlog/common-inl.h b/src/spdlog/common-inl.h new file mode 100644 index 00000000..728f9831 --- /dev/null +++ b/src/spdlog/common-inl.h @@ -0,0 +1,82 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +#ifndef SPDLOG_HEADER_ONLY +# include +#endif + +#include +#include + +namespace spdlog { +namespace level { + +#if __cplusplus >= 201703L +constexpr +#endif + static string_view_t level_string_views[] SPDLOG_LEVEL_NAMES; + +static const char *short_level_names[] SPDLOG_SHORT_LEVEL_NAMES; + +SPDLOG_INLINE const string_view_t &to_string_view(spdlog::level::level_enum l) SPDLOG_NOEXCEPT +{ + return level_string_views[l]; +} + +SPDLOG_INLINE const char *to_short_c_str(spdlog::level::level_enum l) SPDLOG_NOEXCEPT +{ + return short_level_names[l]; +} + +SPDLOG_INLINE spdlog::level::level_enum from_str(const std::string &name) SPDLOG_NOEXCEPT +{ + auto it = std::find(std::begin(level_string_views), std::end(level_string_views), name); + if (it != std::end(level_string_views)) + return static_cast(std::distance(std::begin(level_string_views), it)); + + // check also for "warn" and "err" before giving up.. + if (name == "warn") + { + return level::warn; + } + if (name == "err") + { + return level::err; + } + return level::off; +} +} // namespace level + +SPDLOG_INLINE spdlog_ex::spdlog_ex(std::string msg) + : msg_(std::move(msg)) +{} + +SPDLOG_INLINE spdlog_ex::spdlog_ex(const std::string &msg, int last_errno) +{ +#ifdef SPDLOG_USE_STD_FORMAT + msg_ = std::system_error(std::error_code(last_errno, std::generic_category()), msg).what(); +#else + memory_buf_t outbuf; + fmt::format_system_error(outbuf, last_errno, msg.c_str()); + msg_ = fmt::to_string(outbuf); +#endif +} + +SPDLOG_INLINE const char *spdlog_ex::what() const SPDLOG_NOEXCEPT +{ + return msg_.c_str(); +} + +SPDLOG_INLINE void throw_spdlog_ex(const std::string &msg, int last_errno) +{ + SPDLOG_THROW(spdlog_ex(msg, last_errno)); +} + +SPDLOG_INLINE void throw_spdlog_ex(std::string msg) +{ + SPDLOG_THROW(spdlog_ex(std::move(msg))); +} + +} // namespace spdlog diff --git a/src/spdlog/common.h b/src/spdlog/common.h new file mode 100644 index 00000000..0a262eb2 --- /dev/null +++ b/src/spdlog/common.h @@ -0,0 +1,420 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#ifdef SPDLOG_USE_STD_FORMAT +# include +# if __cpp_lib_format >= 202207L +# include +# else +# include +# endif +#endif + +#ifdef SPDLOG_COMPILED_LIB +# undef SPDLOG_HEADER_ONLY +# if defined(SPDLOG_SHARED_LIB) +# if defined(_WIN32) +# ifdef spdlog_EXPORTS +# define SPDLOG_API __declspec(dllexport) +# else // !spdlog_EXPORTS +# define SPDLOG_API __declspec(dllimport) +# endif +# else // !defined(_WIN32) +# define SPDLOG_API __attribute__((visibility("default"))) +# endif +# else // !defined(SPDLOG_SHARED_LIB) +# define SPDLOG_API +# endif +# define SPDLOG_INLINE +#else // !defined(SPDLOG_COMPILED_LIB) +# define SPDLOG_API +# define SPDLOG_HEADER_ONLY +# define SPDLOG_INLINE inline +#endif // #ifdef SPDLOG_COMPILED_LIB + +#include + +#if !defined(SPDLOG_USE_STD_FORMAT) && FMT_VERSION >= 80000 // backward compatibility with fmt versions older than 8 +# define SPDLOG_FMT_RUNTIME(format_string) fmt::runtime(format_string) +# define SPDLOG_FMT_STRING(format_string) FMT_STRING(format_string) +# if defined(SPDLOG_WCHAR_FILENAMES) || defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) +# include +# endif +#else +# define SPDLOG_FMT_RUNTIME(format_string) format_string +# define SPDLOG_FMT_STRING(format_string) format_string +#endif + +// visual studio up to 2013 does not support noexcept nor constexpr +#if defined(_MSC_VER) && (_MSC_VER < 1900) +# define SPDLOG_NOEXCEPT _NOEXCEPT +# define SPDLOG_CONSTEXPR +# define SPDLOG_CONSTEXPR_FUNC inline +#else +# define SPDLOG_NOEXCEPT noexcept +# define SPDLOG_CONSTEXPR constexpr +# if __cplusplus >= 201402L +# define SPDLOG_CONSTEXPR_FUNC constexpr +# else +# define SPDLOG_CONSTEXPR_FUNC inline +# endif +#endif + +#if defined(__GNUC__) || defined(__clang__) +# define SPDLOG_DEPRECATED __attribute__((deprecated)) +#elif defined(_MSC_VER) +# define SPDLOG_DEPRECATED __declspec(deprecated) +#else +# define SPDLOG_DEPRECATED +#endif + +// disable thread local on msvc 2013 +#ifndef SPDLOG_NO_TLS +# if (defined(_MSC_VER) && (_MSC_VER < 1900)) || defined(__cplusplus_winrt) +# define SPDLOG_NO_TLS 1 +# endif +#endif + +#ifndef SPDLOG_FUNCTION +# define SPDLOG_FUNCTION static_cast(__FUNCTION__) +#endif + +#ifdef SPDLOG_NO_EXCEPTIONS +# define SPDLOG_TRY +# define SPDLOG_THROW(ex) \ + do \ + { \ + printf("spdlog fatal error: %s\n", ex.what()); \ + std::abort(); \ + } while (0) +# define SPDLOG_CATCH_STD +#else +# define SPDLOG_TRY try +# define SPDLOG_THROW(ex) throw(ex) +# define SPDLOG_CATCH_STD \ + catch (const std::exception &) \ + {} +#endif + +namespace spdlog { + +class formatter; + +namespace sinks { +class sink; +} + +#if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES) +using filename_t = std::wstring; +// allow macro expansion to occur in SPDLOG_FILENAME_T +# define SPDLOG_FILENAME_T_INNER(s) L##s +# define SPDLOG_FILENAME_T(s) SPDLOG_FILENAME_T_INNER(s) +#else +using filename_t = std::string; +# define SPDLOG_FILENAME_T(s) s +#endif + +using log_clock = std::chrono::system_clock; +using sink_ptr = std::shared_ptr; +using sinks_init_list = std::initializer_list; +using err_handler = std::function; +#ifdef SPDLOG_USE_STD_FORMAT +namespace fmt_lib = std; + +using string_view_t = std::string_view; +using memory_buf_t = std::string; + +template +# if __cpp_lib_format >= 202207L +using format_string_t = std::format_string; +# else +using format_string_t = std::string_view; +# endif + +template +struct is_convertible_to_basic_format_string : std::integral_constant>::value> +{}; + +# if defined(SPDLOG_WCHAR_FILENAMES) || defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) +using wstring_view_t = std::wstring_view; +using wmemory_buf_t = std::wstring; + +template +# if __cpp_lib_format >= 202207L +using wformat_string_t = std::wformat_string; +# else +using wformat_string_t = std::wstring_view; +# endif +# endif +# define SPDLOG_BUF_TO_STRING(x) x +#else // use fmt lib instead of std::format +namespace fmt_lib = fmt; + +using string_view_t = fmt::basic_string_view; +using memory_buf_t = fmt::basic_memory_buffer; + +template +using format_string_t = fmt::format_string; + +template +using remove_cvref_t = typename std::remove_cv::type>::type; + +template +# if FMT_VERSION >= 90101 +using fmt_runtime_string = fmt::runtime_format_string; +# else +using fmt_runtime_string = fmt::basic_runtime; +# endif + +// clang doesn't like SFINAE disabled constructor in std::is_convertible<> so have to repeat the condition from basic_format_string here, +// in addition, fmt::basic_runtime is only convertible to basic_format_string but not basic_string_view +template +struct is_convertible_to_basic_format_string + : std::integral_constant>::value || std::is_same, fmt_runtime_string>::value> +{}; + +# if defined(SPDLOG_WCHAR_FILENAMES) || defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) +using wstring_view_t = fmt::basic_string_view; +using wmemory_buf_t = fmt::basic_memory_buffer; + +template +using wformat_string_t = fmt::wformat_string; +# endif +# define SPDLOG_BUF_TO_STRING(x) fmt::to_string(x) +#endif + +#ifdef SPDLOG_WCHAR_TO_UTF8_SUPPORT +# ifndef _WIN32 +# error SPDLOG_WCHAR_TO_UTF8_SUPPORT only supported on windows +# endif // _WIN32 +#endif // SPDLOG_WCHAR_TO_UTF8_SUPPORT + +template +struct is_convertible_to_any_format_string : std::integral_constant::value || + is_convertible_to_basic_format_string::value> +{}; + +#if defined(SPDLOG_NO_ATOMIC_LEVELS) +using level_t = details::null_atomic_int; +#else +using level_t = std::atomic; +#endif + +#define SPDLOG_LEVEL_TRACE 0 +#define SPDLOG_LEVEL_DEBUG 1 +#define SPDLOG_LEVEL_INFO 2 +#define SPDLOG_LEVEL_WARN 3 +#define SPDLOG_LEVEL_ERROR 4 +#define SPDLOG_LEVEL_CRITICAL 5 +#define SPDLOG_LEVEL_OFF 6 + +#if !defined(SPDLOG_ACTIVE_LEVEL) +# define SPDLOG_ACTIVE_LEVEL SPDLOG_LEVEL_INFO +#endif + +// Log level enum +namespace level { +enum level_enum : int +{ + trace = SPDLOG_LEVEL_TRACE, + debug = SPDLOG_LEVEL_DEBUG, + info = SPDLOG_LEVEL_INFO, + warn = SPDLOG_LEVEL_WARN, + err = SPDLOG_LEVEL_ERROR, + critical = SPDLOG_LEVEL_CRITICAL, + off = SPDLOG_LEVEL_OFF, + n_levels +}; + +#define SPDLOG_LEVEL_NAME_TRACE spdlog::string_view_t("trace", 5) +#define SPDLOG_LEVEL_NAME_DEBUG spdlog::string_view_t("debug", 5) +#define SPDLOG_LEVEL_NAME_INFO spdlog::string_view_t("info", 4) +#define SPDLOG_LEVEL_NAME_WARNING spdlog::string_view_t("warning", 7) +#define SPDLOG_LEVEL_NAME_ERROR spdlog::string_view_t("error", 5) +#define SPDLOG_LEVEL_NAME_CRITICAL spdlog::string_view_t("critical", 8) +#define SPDLOG_LEVEL_NAME_OFF spdlog::string_view_t("off", 3) + +#if !defined(SPDLOG_LEVEL_NAMES) +# define SPDLOG_LEVEL_NAMES \ + { \ + SPDLOG_LEVEL_NAME_TRACE, SPDLOG_LEVEL_NAME_DEBUG, SPDLOG_LEVEL_NAME_INFO, SPDLOG_LEVEL_NAME_WARNING, SPDLOG_LEVEL_NAME_ERROR, \ + SPDLOG_LEVEL_NAME_CRITICAL, SPDLOG_LEVEL_NAME_OFF \ + } +#endif + +#if !defined(SPDLOG_SHORT_LEVEL_NAMES) + +# define SPDLOG_SHORT_LEVEL_NAMES \ + { \ + "T", "D", "I", "W", "E", "C", "O" \ + } +#endif + +SPDLOG_API const string_view_t &to_string_view(spdlog::level::level_enum l) SPDLOG_NOEXCEPT; +SPDLOG_API const char *to_short_c_str(spdlog::level::level_enum l) SPDLOG_NOEXCEPT; +SPDLOG_API spdlog::level::level_enum from_str(const std::string &name) SPDLOG_NOEXCEPT; + +} // namespace level + +// +// Color mode used by sinks with color support. +// +enum class color_mode +{ + always, + automatic, + never +}; + +// +// Pattern time - specific time getting to use for pattern_formatter. +// local time by default +// +enum class pattern_time_type +{ + local, // log localtime + utc // log utc +}; + +// +// Log exception +// +class SPDLOG_API spdlog_ex : public std::exception +{ +public: + explicit spdlog_ex(std::string msg); + spdlog_ex(const std::string &msg, int last_errno); + const char *what() const SPDLOG_NOEXCEPT override; + +private: + std::string msg_; +}; + +[[noreturn]] SPDLOG_API void throw_spdlog_ex(const std::string &msg, int last_errno); +[[noreturn]] SPDLOG_API void throw_spdlog_ex(std::string msg); + +struct source_loc +{ + SPDLOG_CONSTEXPR source_loc() = default; + SPDLOG_CONSTEXPR source_loc(const char *filename_in, int line_in, const char *funcname_in) + : filename{filename_in} + , line{line_in} + , funcname{funcname_in} + {} + + SPDLOG_CONSTEXPR bool empty() const SPDLOG_NOEXCEPT + { + return line == 0; + } + const char *filename{nullptr}; + int line{0}; + const char *funcname{nullptr}; +}; + +struct file_event_handlers +{ + file_event_handlers() + : before_open(nullptr) + , after_open(nullptr) + , before_close(nullptr) + , after_close(nullptr) + {} + + std::function before_open; + std::function after_open; + std::function before_close; + std::function after_close; +}; + +namespace details { + +// to_string_view + +SPDLOG_CONSTEXPR_FUNC spdlog::string_view_t to_string_view(const memory_buf_t &buf) SPDLOG_NOEXCEPT +{ + return spdlog::string_view_t{buf.data(), buf.size()}; +} + +SPDLOG_CONSTEXPR_FUNC spdlog::string_view_t to_string_view(spdlog::string_view_t str) SPDLOG_NOEXCEPT +{ + return str; +} + +#if defined(SPDLOG_WCHAR_FILENAMES) || defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) +SPDLOG_CONSTEXPR_FUNC spdlog::wstring_view_t to_string_view(const wmemory_buf_t &buf) SPDLOG_NOEXCEPT +{ + return spdlog::wstring_view_t{buf.data(), buf.size()}; +} + +SPDLOG_CONSTEXPR_FUNC spdlog::wstring_view_t to_string_view(spdlog::wstring_view_t str) SPDLOG_NOEXCEPT +{ + return str; +} +#endif + +#ifndef SPDLOG_USE_STD_FORMAT +template +inline fmt::basic_string_view to_string_view(fmt::basic_format_string fmt) +{ + return fmt; +} +#elif __cpp_lib_format >= 202207L +template +SPDLOG_CONSTEXPR_FUNC std::basic_string_view to_string_view(std::basic_format_string fmt) SPDLOG_NOEXCEPT +{ + return fmt.get(); +} +#endif + +// make_unique support for pre c++14 + +#if __cplusplus >= 201402L // C++14 and beyond +using std::enable_if_t; +using std::make_unique; +#else +template +using enable_if_t = typename std::enable_if::type; + +template +std::unique_ptr make_unique(Args &&...args) +{ + static_assert(!std::is_array::value, "arrays not supported"); + return std::unique_ptr(new T(std::forward(args)...)); +} +#endif + +// to avoid useless casts (see https://github.com/nlohmann/json/issues/2893#issuecomment-889152324) +template::value, int> = 0> +constexpr T conditional_static_cast(U value) +{ + return static_cast(value); +} + +template::value, int> = 0> +constexpr T conditional_static_cast(U value) +{ + return value; +} + +} // namespace details +} // namespace spdlog + +#ifdef SPDLOG_HEADER_ONLY +# include "common-inl.h" +#endif diff --git a/src/spdlog/details/backtracer-inl.h b/src/spdlog/details/backtracer-inl.h new file mode 100644 index 00000000..40eba408 --- /dev/null +++ b/src/spdlog/details/backtracer-inl.h @@ -0,0 +1,75 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +#ifndef SPDLOG_HEADER_ONLY +# include +#endif +namespace spdlog { +namespace details { +SPDLOG_INLINE backtracer::backtracer(const backtracer &other) +{ + std::lock_guard lock(other.mutex_); + enabled_ = other.enabled(); + messages_ = other.messages_; +} + +SPDLOG_INLINE backtracer::backtracer(backtracer &&other) SPDLOG_NOEXCEPT +{ + std::lock_guard lock(other.mutex_); + enabled_ = other.enabled(); + messages_ = std::move(other.messages_); +} + +SPDLOG_INLINE backtracer &backtracer::operator=(backtracer other) +{ + std::lock_guard lock(mutex_); + enabled_ = other.enabled(); + messages_ = std::move(other.messages_); + return *this; +} + +SPDLOG_INLINE void backtracer::enable(size_t size) +{ + std::lock_guard lock{mutex_}; + enabled_.store(true, std::memory_order_relaxed); + messages_ = circular_q{size}; +} + +SPDLOG_INLINE void backtracer::disable() +{ + std::lock_guard lock{mutex_}; + enabled_.store(false, std::memory_order_relaxed); +} + +SPDLOG_INLINE bool backtracer::enabled() const +{ + return enabled_.load(std::memory_order_relaxed); +} + +SPDLOG_INLINE void backtracer::push_back(const log_msg &msg) +{ + std::lock_guard lock{mutex_}; + messages_.push_back(log_msg_buffer{msg}); +} + +SPDLOG_INLINE bool backtracer::empty() const +{ + std::lock_guard lock{mutex_}; + return messages_.empty(); +} + +// pop all items in the q and apply the given fun on each of them. +SPDLOG_INLINE void backtracer::foreach_pop(std::function fun) +{ + std::lock_guard lock{mutex_}; + while (!messages_.empty()) + { + auto &front_msg = messages_.front(); + fun(front_msg); + messages_.pop_front(); + } +} +} // namespace details +} // namespace spdlog diff --git a/src/spdlog/details/backtracer.h b/src/spdlog/details/backtracer.h new file mode 100644 index 00000000..13785d85 --- /dev/null +++ b/src/spdlog/details/backtracer.h @@ -0,0 +1,46 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +#include +#include + +#include +#include +#include + +// Store log messages in circular buffer. +// Useful for storing debug data in case of error/warning happens. + +namespace spdlog { +namespace details { +class SPDLOG_API backtracer +{ + mutable std::mutex mutex_; + std::atomic enabled_{false}; + circular_q messages_; + +public: + backtracer() = default; + backtracer(const backtracer &other); + + backtracer(backtracer &&other) SPDLOG_NOEXCEPT; + backtracer &operator=(backtracer other); + + void enable(size_t size); + void disable(); + bool enabled() const; + void push_back(const log_msg &msg); + bool empty() const; + + // pop all items in the q and apply the given fun on each of them. + void foreach_pop(std::function fun); +}; + +} // namespace details +} // namespace spdlog + +#ifdef SPDLOG_HEADER_ONLY +# include "backtracer-inl.h" +#endif diff --git a/src/spdlog/details/circular_q.h b/src/spdlog/details/circular_q.h new file mode 100644 index 00000000..e4fd5fd4 --- /dev/null +++ b/src/spdlog/details/circular_q.h @@ -0,0 +1,146 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +// circular q view of std::vector. +#pragma once + +#include +#include + +namespace spdlog { +namespace details { +template +class circular_q +{ + size_t max_items_ = 0; + typename std::vector::size_type head_ = 0; + typename std::vector::size_type tail_ = 0; + size_t overrun_counter_ = 0; + std::vector v_; + +public: + using value_type = T; + + // empty ctor - create a disabled queue with no elements allocated at all + circular_q() = default; + + explicit circular_q(size_t max_items) + : max_items_(max_items + 1) // one item is reserved as marker for full q + , v_(max_items_) + {} + + circular_q(const circular_q &) = default; + circular_q &operator=(const circular_q &) = default; + + // move cannot be default, + // since we need to reset head_, tail_, etc to zero in the moved object + circular_q(circular_q &&other) SPDLOG_NOEXCEPT + { + copy_moveable(std::move(other)); + } + + circular_q &operator=(circular_q &&other) SPDLOG_NOEXCEPT + { + copy_moveable(std::move(other)); + return *this; + } + + // push back, overrun (oldest) item if no room left + void push_back(T &&item) + { + if (max_items_ > 0) + { + v_[tail_] = std::move(item); + tail_ = (tail_ + 1) % max_items_; + + if (tail_ == head_) // overrun last item if full + { + head_ = (head_ + 1) % max_items_; + ++overrun_counter_; + } + } + } + + // Return reference to the front item. + // If there are no elements in the container, the behavior is undefined. + const T &front() const + { + return v_[head_]; + } + + T &front() + { + return v_[head_]; + } + + // Return number of elements actually stored + size_t size() const + { + if (tail_ >= head_) + { + return tail_ - head_; + } + else + { + return max_items_ - (head_ - tail_); + } + } + + // Return const reference to item by index. + // If index is out of range 0…size()-1, the behavior is undefined. + const T &at(size_t i) const + { + assert(i < size()); + return v_[(head_ + i) % max_items_]; + } + + // Pop item from front. + // If there are no elements in the container, the behavior is undefined. + void pop_front() + { + head_ = (head_ + 1) % max_items_; + } + + bool empty() const + { + return tail_ == head_; + } + + bool full() const + { + // head is ahead of the tail by 1 + if (max_items_ > 0) + { + return ((tail_ + 1) % max_items_) == head_; + } + return false; + } + + size_t overrun_counter() const + { + return overrun_counter_; + } + + void reset_overrun_counter() + { + overrun_counter_ = 0; + } + +private: + // copy from other&& and reset it to disabled state + void copy_moveable(circular_q &&other) SPDLOG_NOEXCEPT + { + max_items_ = other.max_items_; + head_ = other.head_; + tail_ = other.tail_; + overrun_counter_ = other.overrun_counter_; + v_ = std::move(other.v_); + + // put &&other in disabled, but valid state + other.max_items_ = 0; + other.head_ = other.tail_ = 0; + other.overrun_counter_ = 0; + } +}; +} // namespace details +} // namespace spdlog diff --git a/src/spdlog/details/console_globals.h b/src/spdlog/details/console_globals.h new file mode 100644 index 00000000..665201dd --- /dev/null +++ b/src/spdlog/details/console_globals.h @@ -0,0 +1,32 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +#include +#include + +namespace spdlog { +namespace details { + +struct console_mutex +{ + using mutex_t = std::mutex; + static mutex_t &mutex() + { + static mutex_t s_mutex; + return s_mutex; + } +}; + +struct console_nullmutex +{ + using mutex_t = null_mutex; + static mutex_t &mutex() + { + static mutex_t s_mutex; + return s_mutex; + } +}; +} // namespace details +} // namespace spdlog diff --git a/src/spdlog/details/file_helper-inl.h b/src/spdlog/details/file_helper-inl.h new file mode 100644 index 00000000..74c89a87 --- /dev/null +++ b/src/spdlog/details/file_helper-inl.h @@ -0,0 +1,180 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +#ifndef SPDLOG_HEADER_ONLY +# include +#endif + +#include +#include + +#include +#include +#include +#include +#include +#include + +namespace spdlog { +namespace details { + +SPDLOG_INLINE file_helper::file_helper(const file_event_handlers &event_handlers) + : event_handlers_(event_handlers) +{} + +SPDLOG_INLINE file_helper::~file_helper() +{ + close(); +} + +SPDLOG_INLINE void file_helper::open(const filename_t &fname, bool truncate) +{ + close(); + filename_ = fname; + + auto *mode = SPDLOG_FILENAME_T("ab"); + auto *trunc_mode = SPDLOG_FILENAME_T("wb"); + + if (event_handlers_.before_open) + { + event_handlers_.before_open(filename_); + } + for (int tries = 0; tries < open_tries_; ++tries) + { + // create containing folder if not exists already. + os::create_dir(os::dir_name(fname)); + if (truncate) + { + // Truncate by opening-and-closing a tmp file in "wb" mode, always + // opening the actual log-we-write-to in "ab" mode, since that + // interacts more politely with eternal processes that might + // rotate/truncate the file underneath us. + std::FILE *tmp; + if (os::fopen_s(&tmp, fname, trunc_mode)) + { + continue; + } + std::fclose(tmp); + } + if (!os::fopen_s(&fd_, fname, mode)) + { + if (event_handlers_.after_open) + { + event_handlers_.after_open(filename_, fd_); + } + return; + } + + details::os::sleep_for_millis(open_interval_); + } + + throw_spdlog_ex("Failed opening file " + os::filename_to_str(filename_) + " for writing", errno); +} + +SPDLOG_INLINE void file_helper::reopen(bool truncate) +{ + if (filename_.empty()) + { + throw_spdlog_ex("Failed re opening file - was not opened before"); + } + this->open(filename_, truncate); +} + +SPDLOG_INLINE void file_helper::flush() +{ + if (std::fflush(fd_) != 0) + { + throw_spdlog_ex("Failed flush to file " + os::filename_to_str(filename_), errno); + } +} + +SPDLOG_INLINE void file_helper::sync() +{ + if (!os::fsync(fd_)) + { + throw_spdlog_ex("Failed to fsync file " + os::filename_to_str(filename_), errno); + } +} + +SPDLOG_INLINE void file_helper::close() +{ + if (fd_ != nullptr) + { + if (event_handlers_.before_close) + { + event_handlers_.before_close(filename_, fd_); + } + + std::fclose(fd_); + fd_ = nullptr; + + if (event_handlers_.after_close) + { + event_handlers_.after_close(filename_); + } + } +} + +SPDLOG_INLINE void file_helper::write(const memory_buf_t &buf) +{ + size_t msg_size = buf.size(); + auto data = buf.data(); + if (std::fwrite(data, 1, msg_size, fd_) != msg_size) + { + throw_spdlog_ex("Failed writing to file " + os::filename_to_str(filename_), errno); + } +} + +SPDLOG_INLINE size_t file_helper::size() const +{ + if (fd_ == nullptr) + { + throw_spdlog_ex("Cannot use size() on closed file " + os::filename_to_str(filename_)); + } + return os::filesize(fd_); +} + +SPDLOG_INLINE const filename_t &file_helper::filename() const +{ + return filename_; +} + +// +// return file path and its extension: +// +// "mylog.txt" => ("mylog", ".txt") +// "mylog" => ("mylog", "") +// "mylog." => ("mylog.", "") +// "/dir1/dir2/mylog.txt" => ("/dir1/dir2/mylog", ".txt") +// +// the starting dot in filenames is ignored (hidden files): +// +// ".mylog" => (".mylog". "") +// "my_folder/.mylog" => ("my_folder/.mylog", "") +// "my_folder/.mylog.txt" => ("my_folder/.mylog", ".txt") +SPDLOG_INLINE std::tuple file_helper::split_by_extension(const filename_t &fname) +{ + auto ext_index = fname.rfind('.'); + + // no valid extension found - return whole path and empty string as + // extension + if (ext_index == filename_t::npos || ext_index == 0 || ext_index == fname.size() - 1) + { + return std::make_tuple(fname, filename_t()); + } + + // treat cases like "/etc/rc.d/somelogfile or "/abc/.hiddenfile" + auto folder_index = fname.find_last_of(details::os::folder_seps_filename); + if (folder_index != filename_t::npos && folder_index >= ext_index - 1) + { + return std::make_tuple(fname, filename_t()); + } + + // finally - return a valid base and extension tuple + return std::make_tuple(fname.substr(0, ext_index), fname.substr(ext_index)); +} + +} // namespace details +} // namespace spdlog diff --git a/src/spdlog/details/file_helper.h b/src/spdlog/details/file_helper.h new file mode 100644 index 00000000..f42a5eb1 --- /dev/null +++ b/src/spdlog/details/file_helper.h @@ -0,0 +1,62 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +#include +#include + +namespace spdlog { +namespace details { + +// Helper class for file sinks. +// When failing to open a file, retry several times(5) with a delay interval(10 ms). +// Throw spdlog_ex exception on errors. + +class SPDLOG_API file_helper +{ +public: + file_helper() = default; + explicit file_helper(const file_event_handlers &event_handlers); + + file_helper(const file_helper &) = delete; + file_helper &operator=(const file_helper &) = delete; + ~file_helper(); + + void open(const filename_t &fname, bool truncate = false); + void reopen(bool truncate); + void flush(); + void sync(); + void close(); + void write(const memory_buf_t &buf); + size_t size() const; + const filename_t &filename() const; + + // + // return file path and its extension: + // + // "mylog.txt" => ("mylog", ".txt") + // "mylog" => ("mylog", "") + // "mylog." => ("mylog.", "") + // "/dir1/dir2/mylog.txt" => ("/dir1/dir2/mylog", ".txt") + // + // the starting dot in filenames is ignored (hidden files): + // + // ".mylog" => (".mylog". "") + // "my_folder/.mylog" => ("my_folder/.mylog", "") + // "my_folder/.mylog.txt" => ("my_folder/.mylog", ".txt") + static std::tuple split_by_extension(const filename_t &fname); + +private: + const int open_tries_ = 5; + const unsigned int open_interval_ = 10; + std::FILE *fd_{nullptr}; + filename_t filename_; + file_event_handlers event_handlers_; +}; +} // namespace details +} // namespace spdlog + +#ifdef SPDLOG_HEADER_ONLY +# include "file_helper-inl.h" +#endif diff --git a/src/spdlog/details/fmt_helper.h b/src/spdlog/details/fmt_helper.h new file mode 100644 index 00000000..d9867180 --- /dev/null +++ b/src/spdlog/details/fmt_helper.h @@ -0,0 +1,164 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) +#pragma once + +#include +#include +#include +#include +#include + +#ifdef SPDLOG_USE_STD_FORMAT +# include +# include +#endif + +// Some fmt helpers to efficiently format and pad ints and strings +namespace spdlog { +namespace details { +namespace fmt_helper { + +inline void append_string_view(spdlog::string_view_t view, memory_buf_t &dest) +{ + auto *buf_ptr = view.data(); + dest.append(buf_ptr, buf_ptr + view.size()); +} + +#ifdef SPDLOG_USE_STD_FORMAT +template +inline void append_int(T n, memory_buf_t &dest) +{ + // Buffer should be large enough to hold all digits (digits10 + 1) and a sign + SPDLOG_CONSTEXPR const auto BUF_SIZE = std::numeric_limits::digits10 + 2; + char buf[BUF_SIZE]; + + auto [ptr, ec] = std::to_chars(buf, buf + BUF_SIZE, n, 10); + if (ec == std::errc()) + { + dest.append(buf, ptr); + } + else + { + throw_spdlog_ex("Failed to format int", static_cast(ec)); + } +} +#else +template +inline void append_int(T n, memory_buf_t &dest) +{ + fmt::format_int i(n); + dest.append(i.data(), i.data() + i.size()); +} +#endif + +template +SPDLOG_CONSTEXPR_FUNC unsigned int count_digits_fallback(T n) +{ + // taken from fmt: https://github.com/fmtlib/fmt/blob/8.0.1/include/fmt/format.h#L899-L912 + unsigned int count = 1; + for (;;) + { + // Integer division is slow so do it for a group of four digits instead + // of for every digit. The idea comes from the talk by Alexandrescu + // "Three Optimization Tips for C++". See speed-test for a comparison. + if (n < 10) + return count; + if (n < 100) + return count + 1; + if (n < 1000) + return count + 2; + if (n < 10000) + return count + 3; + n /= 10000u; + count += 4; + } +} + +template +inline unsigned int count_digits(T n) +{ + using count_type = typename std::conditional<(sizeof(T) > sizeof(uint32_t)), uint64_t, uint32_t>::type; +#ifdef SPDLOG_USE_STD_FORMAT + return count_digits_fallback(static_cast(n)); +#else + return static_cast(fmt:: +// fmt 7.0.0 renamed the internal namespace to detail. +// See: https://github.com/fmtlib/fmt/issues/1538 +# if FMT_VERSION < 70000 + internal +# else + detail +# endif + ::count_digits(static_cast(n))); +#endif +} + +inline void pad2(int n, memory_buf_t &dest) +{ + if (n >= 0 && n < 100) // 0-99 + { + dest.push_back(static_cast('0' + n / 10)); + dest.push_back(static_cast('0' + n % 10)); + } + else // unlikely, but just in case, let fmt deal with it + { + fmt_lib::format_to(std::back_inserter(dest), SPDLOG_FMT_STRING("{:02}"), n); + } +} + +template +inline void pad_uint(T n, unsigned int width, memory_buf_t &dest) +{ + static_assert(std::is_unsigned::value, "pad_uint must get unsigned T"); + for (auto digits = count_digits(n); digits < width; digits++) + { + dest.push_back('0'); + } + append_int(n, dest); +} + +template +inline void pad3(T n, memory_buf_t &dest) +{ + static_assert(std::is_unsigned::value, "pad3 must get unsigned T"); + if (n < 1000) + { + dest.push_back(static_cast(n / 100 + '0')); + n = n % 100; + dest.push_back(static_cast((n / 10) + '0')); + dest.push_back(static_cast((n % 10) + '0')); + } + else + { + append_int(n, dest); + } +} + +template +inline void pad6(T n, memory_buf_t &dest) +{ + pad_uint(n, 6, dest); +} + +template +inline void pad9(T n, memory_buf_t &dest) +{ + pad_uint(n, 9, dest); +} + +// return fraction of a second of the given time_point. +// e.g. +// fraction(tp) -> will return the millis part of the second +template +inline ToDuration time_fraction(log_clock::time_point tp) +{ + using std::chrono::duration_cast; + using std::chrono::seconds; + auto duration = tp.time_since_epoch(); + auto secs = duration_cast(duration); + return duration_cast(duration) - duration_cast(secs); +} + +} // namespace fmt_helper +} // namespace details +} // namespace spdlog diff --git a/src/spdlog/details/log_msg-inl.h b/src/spdlog/details/log_msg-inl.h new file mode 100644 index 00000000..c6e8a7e0 --- /dev/null +++ b/src/spdlog/details/log_msg-inl.h @@ -0,0 +1,37 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +#ifndef SPDLOG_HEADER_ONLY +# include +#endif + +#include + +namespace spdlog { +namespace details { + +SPDLOG_INLINE log_msg::log_msg(spdlog::log_clock::time_point log_time, spdlog::source_loc loc, string_view_t a_logger_name, + spdlog::level::level_enum lvl, spdlog::string_view_t msg) + : logger_name(a_logger_name) + , level(lvl) + , time(log_time) +#ifndef SPDLOG_NO_THREAD_ID + , thread_id(os::thread_id()) +#endif + , source(loc) + , payload(msg) +{} + +SPDLOG_INLINE log_msg::log_msg( + spdlog::source_loc loc, string_view_t a_logger_name, spdlog::level::level_enum lvl, spdlog::string_view_t msg) + : log_msg(os::now(), loc, a_logger_name, lvl, msg) +{} + +SPDLOG_INLINE log_msg::log_msg(string_view_t a_logger_name, spdlog::level::level_enum lvl, spdlog::string_view_t msg) + : log_msg(os::now(), source_loc{}, a_logger_name, lvl, msg) +{} + +} // namespace details +} // namespace spdlog diff --git a/src/spdlog/details/log_msg.h b/src/spdlog/details/log_msg.h new file mode 100644 index 00000000..fed51abd --- /dev/null +++ b/src/spdlog/details/log_msg.h @@ -0,0 +1,37 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +#include +#include + +namespace spdlog { +namespace details { +struct SPDLOG_API log_msg +{ + log_msg() = default; + log_msg(log_clock::time_point log_time, source_loc loc, string_view_t logger_name, level::level_enum lvl, string_view_t msg); + log_msg(source_loc loc, string_view_t logger_name, level::level_enum lvl, string_view_t msg); + log_msg(string_view_t logger_name, level::level_enum lvl, string_view_t msg); + log_msg(const log_msg &other) = default; + log_msg &operator=(const log_msg &other) = default; + + string_view_t logger_name; + level::level_enum level{level::off}; + log_clock::time_point time; + size_t thread_id{0}; + + // wrapping the formatted text with color (updated by pattern_formatter). + mutable size_t color_range_start{0}; + mutable size_t color_range_end{0}; + + source_loc source; + string_view_t payload; +}; +} // namespace details +} // namespace spdlog + +#ifdef SPDLOG_HEADER_ONLY +# include "log_msg-inl.h" +#endif diff --git a/src/spdlog/details/log_msg_buffer-inl.h b/src/spdlog/details/log_msg_buffer-inl.h new file mode 100644 index 00000000..84d83dc2 --- /dev/null +++ b/src/spdlog/details/log_msg_buffer-inl.h @@ -0,0 +1,58 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +#ifndef SPDLOG_HEADER_ONLY +# include +#endif + +namespace spdlog { +namespace details { + +SPDLOG_INLINE log_msg_buffer::log_msg_buffer(const log_msg &orig_msg) + : log_msg{orig_msg} +{ + buffer.append(logger_name.begin(), logger_name.end()); + buffer.append(payload.begin(), payload.end()); + update_string_views(); +} + +SPDLOG_INLINE log_msg_buffer::log_msg_buffer(const log_msg_buffer &other) + : log_msg{other} +{ + buffer.append(logger_name.begin(), logger_name.end()); + buffer.append(payload.begin(), payload.end()); + update_string_views(); +} + +SPDLOG_INLINE log_msg_buffer::log_msg_buffer(log_msg_buffer &&other) SPDLOG_NOEXCEPT : log_msg{other}, buffer{std::move(other.buffer)} +{ + update_string_views(); +} + +SPDLOG_INLINE log_msg_buffer &log_msg_buffer::operator=(const log_msg_buffer &other) +{ + log_msg::operator=(other); + buffer.clear(); + buffer.append(other.buffer.data(), other.buffer.data() + other.buffer.size()); + update_string_views(); + return *this; +} + +SPDLOG_INLINE log_msg_buffer &log_msg_buffer::operator=(log_msg_buffer &&other) SPDLOG_NOEXCEPT +{ + log_msg::operator=(other); + buffer = std::move(other.buffer); + update_string_views(); + return *this; +} + +SPDLOG_INLINE void log_msg_buffer::update_string_views() +{ + logger_name = string_view_t{buffer.data(), logger_name.size()}; + payload = string_view_t{buffer.data() + logger_name.size(), payload.size()}; +} + +} // namespace details +} // namespace spdlog diff --git a/src/spdlog/details/log_msg_buffer.h b/src/spdlog/details/log_msg_buffer.h new file mode 100644 index 00000000..81055065 --- /dev/null +++ b/src/spdlog/details/log_msg_buffer.h @@ -0,0 +1,33 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +#include + +namespace spdlog { +namespace details { + +// Extend log_msg with internal buffer to store its payload. +// This is needed since log_msg holds string_views that points to stack data. + +class SPDLOG_API log_msg_buffer : public log_msg +{ + memory_buf_t buffer; + void update_string_views(); + +public: + log_msg_buffer() = default; + explicit log_msg_buffer(const log_msg &orig_msg); + log_msg_buffer(const log_msg_buffer &other); + log_msg_buffer(log_msg_buffer &&other) SPDLOG_NOEXCEPT; + log_msg_buffer &operator=(const log_msg_buffer &other); + log_msg_buffer &operator=(log_msg_buffer &&other) SPDLOG_NOEXCEPT; +}; + +} // namespace details +} // namespace spdlog + +#ifdef SPDLOG_HEADER_ONLY +# include "log_msg_buffer-inl.h" +#endif diff --git a/src/spdlog/details/mpmc_blocking_q.h b/src/spdlog/details/mpmc_blocking_q.h new file mode 100644 index 00000000..101ea8c0 --- /dev/null +++ b/src/spdlog/details/mpmc_blocking_q.h @@ -0,0 +1,154 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +// multi producer-multi consumer blocking queue. +// enqueue(..) - will block until room found to put the new message. +// enqueue_nowait(..) - will return immediately with false if no room left in +// the queue. +// dequeue_for(..) - will block until the queue is not empty or timeout have +// passed. + +#include + +#include +#include + +namespace spdlog { +namespace details { + +template +class mpmc_blocking_queue +{ +public: + using item_type = T; + explicit mpmc_blocking_queue(size_t max_items) + : q_(max_items) + {} + +#ifndef __MINGW32__ + // try to enqueue and block if no room left + void enqueue(T &&item) + { + { + std::unique_lock lock(queue_mutex_); + pop_cv_.wait(lock, [this] { return !this->q_.full(); }); + q_.push_back(std::move(item)); + } + push_cv_.notify_one(); + } + + // enqueue immediately. overrun oldest message in the queue if no room left. + void enqueue_nowait(T &&item) + { + { + std::unique_lock lock(queue_mutex_); + q_.push_back(std::move(item)); + } + push_cv_.notify_one(); + } + + // dequeue with a timeout. + // Return true, if succeeded dequeue item, false otherwise + bool dequeue_for(T &popped_item, std::chrono::milliseconds wait_duration) + { + { + std::unique_lock lock(queue_mutex_); + if (!push_cv_.wait_for(lock, wait_duration, [this] { return !this->q_.empty(); })) + { + return false; + } + popped_item = std::move(q_.front()); + q_.pop_front(); + } + pop_cv_.notify_one(); + return true; + } + + // blocking dequeue without a timeout. + void dequeue(T &popped_item) + { + { + std::unique_lock lock(queue_mutex_); + push_cv_.wait(lock, [this] { return !this->q_.empty(); }); + popped_item = std::move(q_.front()); + q_.pop_front(); + } + pop_cv_.notify_one(); + } + +#else + // apparently mingw deadlocks if the mutex is released before cv.notify_one(), + // so release the mutex at the very end each function. + + // try to enqueue and block if no room left + void enqueue(T &&item) + { + std::unique_lock lock(queue_mutex_); + pop_cv_.wait(lock, [this] { return !this->q_.full(); }); + q_.push_back(std::move(item)); + push_cv_.notify_one(); + } + + // enqueue immediately. overrun oldest message in the queue if no room left. + void enqueue_nowait(T &&item) + { + std::unique_lock lock(queue_mutex_); + q_.push_back(std::move(item)); + push_cv_.notify_one(); + } + + // dequeue with a timeout. + // Return true, if succeeded dequeue item, false otherwise + bool dequeue_for(T &popped_item, std::chrono::milliseconds wait_duration) + { + std::unique_lock lock(queue_mutex_); + if (!push_cv_.wait_for(lock, wait_duration, [this] { return !this->q_.empty(); })) + { + return false; + } + popped_item = std::move(q_.front()); + q_.pop_front(); + pop_cv_.notify_one(); + return true; + } + + // blocking dequeue without a timeout. + void dequeue(T &popped_item) + { + std::unique_lock lock(queue_mutex_); + push_cv_.wait(lock, [this] { return !this->q_.empty(); }); + popped_item = std::move(q_.front()); + q_.pop_front(); + pop_cv_.notify_one(); + } + +#endif + + size_t overrun_counter() + { + std::unique_lock lock(queue_mutex_); + return q_.overrun_counter(); + } + + size_t size() + { + std::unique_lock lock(queue_mutex_); + return q_.size(); + } + + void reset_overrun_counter() + { + std::unique_lock lock(queue_mutex_); + q_.reset_overrun_counter(); + } + +private: + std::mutex queue_mutex_; + std::condition_variable push_cv_; + std::condition_variable pop_cv_; + spdlog::details::circular_q q_; +}; +} // namespace details +} // namespace spdlog diff --git a/src/spdlog/details/null_mutex.h b/src/spdlog/details/null_mutex.h new file mode 100644 index 00000000..6550a7bf --- /dev/null +++ b/src/spdlog/details/null_mutex.h @@ -0,0 +1,45 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +#include +#include +// null, no cost dummy "mutex" and dummy "atomic" int + +namespace spdlog { +namespace details { +struct null_mutex +{ + void lock() const {} + void unlock() const {} +}; + +struct null_atomic_int +{ + int value; + null_atomic_int() = default; + + explicit null_atomic_int(int new_value) + : value(new_value) + {} + + int load(std::memory_order = std::memory_order_relaxed) const + { + return value; + } + + void store(int new_value, std::memory_order = std::memory_order_relaxed) + { + value = new_value; + } + + int exchange(int new_value, std::memory_order = std::memory_order_relaxed) + { + std::swap(new_value, value); + return new_value; // return value before the call + } +}; + +} // namespace details +} // namespace spdlog diff --git a/src/spdlog/details/os-inl.h b/src/spdlog/details/os-inl.h new file mode 100644 index 00000000..ea8864ea --- /dev/null +++ b/src/spdlog/details/os-inl.h @@ -0,0 +1,635 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +#ifndef SPDLOG_HEADER_ONLY +# include +#endif + +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#ifdef _WIN32 + +# include // for _get_osfhandle, _isatty, _fileno +# include // for _get_pid +# include +# include // for FlushFileBuffers + +# ifdef __MINGW32__ +# include +# endif + +# if defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) || defined(SPDLOG_WCHAR_FILENAMES) +# include +# include +# endif + +# include // for _mkdir/_wmkdir + +#else // unix + +# include +# include + +# ifdef __linux__ +# include //Use gettid() syscall under linux to get thread id + +# elif defined(_AIX) +# include // for pthread_getthrds_np + +# elif defined(__DragonFly__) || defined(__FreeBSD__) +# include // for pthread_getthreadid_np + +# elif defined(__NetBSD__) +# include // for _lwp_self + +# elif defined(__sun) +# include // for thr_self +# endif + +#endif // unix + +#if defined __APPLE__ +# include +#endif + +#ifndef __has_feature // Clang - feature checking macros. +# define __has_feature(x) 0 // Compatibility with non-clang compilers. +#endif + +namespace spdlog { +namespace details { +namespace os { + +SPDLOG_INLINE spdlog::log_clock::time_point now() SPDLOG_NOEXCEPT +{ + +#if defined __linux__ && defined SPDLOG_CLOCK_COARSE + timespec ts; + ::clock_gettime(CLOCK_REALTIME_COARSE, &ts); + return std::chrono::time_point( + std::chrono::duration_cast(std::chrono::seconds(ts.tv_sec) + std::chrono::nanoseconds(ts.tv_nsec))); + +#else + return log_clock::now(); +#endif +} +SPDLOG_INLINE std::tm localtime(const std::time_t &time_tt) SPDLOG_NOEXCEPT +{ + +#ifdef _WIN32 + std::tm tm; + ::localtime_s(&tm, &time_tt); +#else + std::tm tm; + ::localtime_r(&time_tt, &tm); +#endif + return tm; +} + +SPDLOG_INLINE std::tm localtime() SPDLOG_NOEXCEPT +{ + std::time_t now_t = ::time(nullptr); + return localtime(now_t); +} + +SPDLOG_INLINE std::tm gmtime(const std::time_t &time_tt) SPDLOG_NOEXCEPT +{ + +#ifdef _WIN32 + std::tm tm; + ::gmtime_s(&tm, &time_tt); +#else + std::tm tm; + ::gmtime_r(&time_tt, &tm); +#endif + return tm; +} + +SPDLOG_INLINE std::tm gmtime() SPDLOG_NOEXCEPT +{ + std::time_t now_t = ::time(nullptr); + return gmtime(now_t); +} + +// fopen_s on non windows for writing +SPDLOG_INLINE bool fopen_s(FILE **fp, const filename_t &filename, const filename_t &mode) +{ +#ifdef _WIN32 +# ifdef SPDLOG_WCHAR_FILENAMES + *fp = ::_wfsopen((filename.c_str()), mode.c_str(), _SH_DENYNO); +# else + *fp = ::_fsopen((filename.c_str()), mode.c_str(), _SH_DENYNO); +# endif +# if defined(SPDLOG_PREVENT_CHILD_FD) + if (*fp != nullptr) + { + auto file_handle = reinterpret_cast(_get_osfhandle(::_fileno(*fp))); + if (!::SetHandleInformation(file_handle, HANDLE_FLAG_INHERIT, 0)) + { + ::fclose(*fp); + *fp = nullptr; + } + } +# endif +#else // unix +# if defined(SPDLOG_PREVENT_CHILD_FD) + const int mode_flag = mode == SPDLOG_FILENAME_T("ab") ? O_APPEND : O_TRUNC; + const int fd = ::open((filename.c_str()), O_CREAT | O_WRONLY | O_CLOEXEC | mode_flag, mode_t(0644)); + if (fd == -1) + { + return true; + } + *fp = ::fdopen(fd, mode.c_str()); + if (*fp == nullptr) + { + ::close(fd); + } +# else + *fp = ::fopen((filename.c_str()), mode.c_str()); +# endif +#endif + + return *fp == nullptr; +} + +SPDLOG_INLINE int remove(const filename_t &filename) SPDLOG_NOEXCEPT +{ +#if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES) + return ::_wremove(filename.c_str()); +#else + return std::remove(filename.c_str()); +#endif +} + +SPDLOG_INLINE int remove_if_exists(const filename_t &filename) SPDLOG_NOEXCEPT +{ + return path_exists(filename) ? remove(filename) : 0; +} + +SPDLOG_INLINE int rename(const filename_t &filename1, const filename_t &filename2) SPDLOG_NOEXCEPT +{ +#if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES) + return ::_wrename(filename1.c_str(), filename2.c_str()); +#else + return std::rename(filename1.c_str(), filename2.c_str()); +#endif +} + +// Return true if path exists (file or directory) +SPDLOG_INLINE bool path_exists(const filename_t &filename) SPDLOG_NOEXCEPT +{ +#ifdef _WIN32 +# ifdef SPDLOG_WCHAR_FILENAMES + auto attribs = ::GetFileAttributesW(filename.c_str()); +# else + auto attribs = ::GetFileAttributesA(filename.c_str()); +# endif + return attribs != INVALID_FILE_ATTRIBUTES; +#else // common linux/unix all have the stat system call + struct stat buffer; + return (::stat(filename.c_str(), &buffer) == 0); +#endif +} + +#ifdef _MSC_VER +// avoid warning about unreachable statement at the end of filesize() +# pragma warning(push) +# pragma warning(disable : 4702) +#endif + +// Return file size according to open FILE* object +SPDLOG_INLINE size_t filesize(FILE *f) +{ + if (f == nullptr) + { + throw_spdlog_ex("Failed getting file size. fd is null"); + } +#if defined(_WIN32) && !defined(__CYGWIN__) + int fd = ::_fileno(f); +# if defined(_WIN64) // 64 bits + __int64 ret = ::_filelengthi64(fd); + if (ret >= 0) + { + return static_cast(ret); + } + +# else // windows 32 bits + long ret = ::_filelength(fd); + if (ret >= 0) + { + return static_cast(ret); + } +# endif + +#else // unix +// OpenBSD and AIX doesn't compile with :: before the fileno(..) +# if defined(__OpenBSD__) || defined(_AIX) + int fd = fileno(f); +# else + int fd = ::fileno(f); +# endif +// 64 bits(but not in osx, linux/musl or cygwin, where fstat64 is deprecated) +# if ((defined(__linux__) && defined(__GLIBC__)) || defined(__sun) || defined(_AIX)) && (defined(__LP64__) || defined(_LP64)) + struct stat64 st; + if (::fstat64(fd, &st) == 0) + { + return static_cast(st.st_size); + } +# else // other unix or linux 32 bits or cygwin + struct stat st; + if (::fstat(fd, &st) == 0) + { + return static_cast(st.st_size); + } +# endif +#endif + throw_spdlog_ex("Failed getting file size from fd", errno); + return 0; // will not be reached. +} + +#ifdef _MSC_VER +# pragma warning(pop) +#endif + +// Return utc offset in minutes or throw spdlog_ex on failure +SPDLOG_INLINE int utc_minutes_offset(const std::tm &tm) +{ + +#ifdef _WIN32 +# if _WIN32_WINNT < _WIN32_WINNT_WS08 + TIME_ZONE_INFORMATION tzinfo; + auto rv = ::GetTimeZoneInformation(&tzinfo); +# else + DYNAMIC_TIME_ZONE_INFORMATION tzinfo; + auto rv = ::GetDynamicTimeZoneInformation(&tzinfo); +# endif + if (rv == TIME_ZONE_ID_INVALID) + throw_spdlog_ex("Failed getting timezone info. ", errno); + + int offset = -tzinfo.Bias; + if (tm.tm_isdst) + { + offset -= tzinfo.DaylightBias; + } + else + { + offset -= tzinfo.StandardBias; + } + return offset; +#else + +# if defined(sun) || defined(__sun) || defined(_AIX) || (defined(__NEWLIB__) && !defined(__TM_GMTOFF)) || \ + (!defined(_BSD_SOURCE) && !defined(_GNU_SOURCE)) + // 'tm_gmtoff' field is BSD extension and it's missing on SunOS/Solaris + struct helper + { + static long int calculate_gmt_offset(const std::tm &localtm = details::os::localtime(), const std::tm &gmtm = details::os::gmtime()) + { + int local_year = localtm.tm_year + (1900 - 1); + int gmt_year = gmtm.tm_year + (1900 - 1); + + long int days = ( + // difference in day of year + localtm.tm_yday - + gmtm.tm_yday + + // + intervening leap days + + ((local_year >> 2) - (gmt_year >> 2)) - (local_year / 100 - gmt_year / 100) + + ((local_year / 100 >> 2) - (gmt_year / 100 >> 2)) + + // + difference in years * 365 */ + + static_cast(local_year - gmt_year) * 365); + + long int hours = (24 * days) + (localtm.tm_hour - gmtm.tm_hour); + long int mins = (60 * hours) + (localtm.tm_min - gmtm.tm_min); + long int secs = (60 * mins) + (localtm.tm_sec - gmtm.tm_sec); + + return secs; + } + }; + + auto offset_seconds = helper::calculate_gmt_offset(tm); +# else + auto offset_seconds = tm.tm_gmtoff; +# endif + + return static_cast(offset_seconds / 60); +#endif +} + +// Return current thread id as size_t +// It exists because the std::this_thread::get_id() is much slower(especially +// under VS 2013) +SPDLOG_INLINE size_t _thread_id() SPDLOG_NOEXCEPT +{ +#ifdef _WIN32 + return static_cast(::GetCurrentThreadId()); +#elif defined(__linux__) +# if defined(__ANDROID__) && defined(__ANDROID_API__) && (__ANDROID_API__ < 21) +# define SYS_gettid __NR_gettid +# endif + return static_cast(::syscall(SYS_gettid)); +#elif defined(_AIX) + struct __pthrdsinfo buf; + int reg_size = 0; + pthread_t pt = pthread_self(); + int retval = pthread_getthrds_np(&pt, PTHRDSINFO_QUERY_TID, &buf, sizeof(buf), NULL, ®_size); + int tid = (!retval) ? buf.__pi_tid : 0; + return static_cast(tid); +#elif defined(__DragonFly__) || defined(__FreeBSD__) + return static_cast(::pthread_getthreadid_np()); +#elif defined(__NetBSD__) + return static_cast(::_lwp_self()); +#elif defined(__OpenBSD__) + return static_cast(::getthrid()); +#elif defined(__sun) + return static_cast(::thr_self()); +#elif __APPLE__ + uint64_t tid; + // There is no pthread_threadid_np prior to 10.6, and it is not supported on any PPC, + // including 10.6.8 Rosetta. __POWERPC__ is Apple-specific define encompassing ppc and ppc64. +# if (MAC_OS_X_VERSION_MAX_ALLOWED < 1060) || defined(__POWERPC__) + tid = pthread_mach_thread_np(pthread_self()); +# elif MAC_OS_X_VERSION_MIN_REQUIRED < 1060 + if (&pthread_threadid_np) + { + pthread_threadid_np(nullptr, &tid); + } + else + { + tid = pthread_mach_thread_np(pthread_self()); + } +# else + pthread_threadid_np(nullptr, &tid); +# endif + return static_cast(tid); +#else // Default to standard C++11 (other Unix) + return static_cast(std::hash()(std::this_thread::get_id())); +#endif +} + +// Return current thread id as size_t (from thread local storage) +SPDLOG_INLINE size_t thread_id() SPDLOG_NOEXCEPT +{ +#if defined(SPDLOG_NO_TLS) + return _thread_id(); +#else // cache thread id in tls + static thread_local const size_t tid = _thread_id(); + return tid; +#endif +} + +// This is avoid msvc issue in sleep_for that happens if the clock changes. +// See https://github.com/gabime/spdlog/issues/609 +SPDLOG_INLINE void sleep_for_millis(unsigned int milliseconds) SPDLOG_NOEXCEPT +{ +#if defined(_WIN32) + ::Sleep(milliseconds); +#else + std::this_thread::sleep_for(std::chrono::milliseconds(milliseconds)); +#endif +} + +// wchar support for windows file names (SPDLOG_WCHAR_FILENAMES must be defined) +#if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES) +SPDLOG_INLINE std::string filename_to_str(const filename_t &filename) +{ + memory_buf_t buf; + wstr_to_utf8buf(filename, buf); + return SPDLOG_BUF_TO_STRING(buf); +} +#else +SPDLOG_INLINE std::string filename_to_str(const filename_t &filename) +{ + return filename; +} +#endif + +SPDLOG_INLINE int pid() SPDLOG_NOEXCEPT +{ + +#ifdef _WIN32 + return conditional_static_cast(::GetCurrentProcessId()); +#else + return conditional_static_cast(::getpid()); +#endif +} + +// Determine if the terminal supports colors +// Based on: https://github.com/agauniyal/rang/ +SPDLOG_INLINE bool is_color_terminal() SPDLOG_NOEXCEPT +{ +#ifdef _WIN32 + return true; +#else + + static const bool result = []() { + const char *env_colorterm_p = std::getenv("COLORTERM"); + if (env_colorterm_p != nullptr) + { + return true; + } + + static constexpr std::array terms = {{"ansi", "color", "console", "cygwin", "gnome", "konsole", "kterm", "linux", + "msys", "putty", "rxvt", "screen", "vt100", "xterm", "alacritty", "vt102"}}; + + const char *env_term_p = std::getenv("TERM"); + if (env_term_p == nullptr) + { + return false; + } + + return std::any_of(terms.begin(), terms.end(), [&](const char *term) { return std::strstr(env_term_p, term) != nullptr; }); + }(); + + return result; +#endif +} + +// Determine if the terminal attached +// Source: https://github.com/agauniyal/rang/ +SPDLOG_INLINE bool in_terminal(FILE *file) SPDLOG_NOEXCEPT +{ + +#ifdef _WIN32 + return ::_isatty(_fileno(file)) != 0; +#else + return ::isatty(fileno(file)) != 0; +#endif +} + +#if (defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) || defined(SPDLOG_WCHAR_FILENAMES)) && defined(_WIN32) +SPDLOG_INLINE void wstr_to_utf8buf(wstring_view_t wstr, memory_buf_t &target) +{ + if (wstr.size() > static_cast((std::numeric_limits::max)()) / 2 - 1) + { + throw_spdlog_ex("UTF-16 string is too big to be converted to UTF-8"); + } + + int wstr_size = static_cast(wstr.size()); + if (wstr_size == 0) + { + target.resize(0); + return; + } + + int result_size = static_cast(target.capacity()); + if ((wstr_size + 1) * 2 > result_size) + { + result_size = ::WideCharToMultiByte(CP_UTF8, 0, wstr.data(), wstr_size, NULL, 0, NULL, NULL); + } + + if (result_size > 0) + { + target.resize(result_size); + result_size = ::WideCharToMultiByte(CP_UTF8, 0, wstr.data(), wstr_size, target.data(), result_size, NULL, NULL); + + if (result_size > 0) + { + target.resize(result_size); + return; + } + } + + throw_spdlog_ex(fmt_lib::format("WideCharToMultiByte failed. Last error: {}", ::GetLastError())); +} + +SPDLOG_INLINE void utf8_to_wstrbuf(string_view_t str, wmemory_buf_t &target) +{ + if (str.size() > static_cast((std::numeric_limits::max)()) - 1) + { + throw_spdlog_ex("UTF-8 string is too big to be converted to UTF-16"); + } + + int str_size = static_cast(str.size()); + if (str_size == 0) + { + target.resize(0); + return; + } + + // find the size to allocate for the result buffer + int result_size = ::MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, str.data(), str_size, NULL, 0); + + if (result_size > 0) + { + target.resize(result_size); + result_size = ::MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, str.data(), str_size, target.data(), result_size); + if (result_size > 0) + { + assert(result_size == target.size()); + return; + } + } + + throw_spdlog_ex(fmt_lib::format("MultiByteToWideChar failed. Last error: {}", ::GetLastError())); +} +#endif // (defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) || defined(SPDLOG_WCHAR_FILENAMES)) && defined(_WIN32) + +// return true on success +static SPDLOG_INLINE bool mkdir_(const filename_t &path) +{ +#ifdef _WIN32 +# ifdef SPDLOG_WCHAR_FILENAMES + return ::_wmkdir(path.c_str()) == 0; +# else + return ::_mkdir(path.c_str()) == 0; +# endif +#else + return ::mkdir(path.c_str(), mode_t(0755)) == 0; +#endif +} + +// create the given directory - and all directories leading to it +// return true on success or if the directory already exists +SPDLOG_INLINE bool create_dir(const filename_t &path) +{ + if (path_exists(path)) + { + return true; + } + + if (path.empty()) + { + return false; + } + + size_t search_offset = 0; + do + { + auto token_pos = path.find_first_of(folder_seps_filename, search_offset); + // treat the entire path as a folder if no folder separator not found + if (token_pos == filename_t::npos) + { + token_pos = path.size(); + } + + auto subdir = path.substr(0, token_pos); + + if (!subdir.empty() && !path_exists(subdir) && !mkdir_(subdir)) + { + return false; // return error if failed creating dir + } + search_offset = token_pos + 1; + } while (search_offset < path.size()); + + return true; +} + +// Return directory name from given path or empty string +// "abc/file" => "abc" +// "abc/" => "abc" +// "abc" => "" +// "abc///" => "abc//" +SPDLOG_INLINE filename_t dir_name(const filename_t &path) +{ + auto pos = path.find_last_of(folder_seps_filename); + return pos != filename_t::npos ? path.substr(0, pos) : filename_t{}; +} + +std::string SPDLOG_INLINE getenv(const char *field) +{ + +#if defined(_MSC_VER) +# if defined(__cplusplus_winrt) + return std::string{}; // not supported under uwp +# else + size_t len = 0; + char buf[128]; + bool ok = ::getenv_s(&len, buf, sizeof(buf), field) == 0; + return ok ? buf : std::string{}; +# endif +#else // revert to getenv + char *buf = ::getenv(field); + return buf ? buf : std::string{}; +#endif +} + +// Do fsync by FILE handlerpointer +// Return true on success +SPDLOG_INLINE bool fsync(FILE *fp) +{ +#ifdef _WIN32 + return FlushFileBuffers(reinterpret_cast(_get_osfhandle(_fileno(fp)))) != 0; +#else + return ::fsync(fileno(fp)) == 0; +#endif +} + +} // namespace os +} // namespace details +} // namespace spdlog diff --git a/src/spdlog/details/os.h b/src/spdlog/details/os.h new file mode 100644 index 00000000..37b00874 --- /dev/null +++ b/src/spdlog/details/os.h @@ -0,0 +1,122 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +#include +#include // std::time_t + +namespace spdlog { +namespace details { +namespace os { + +SPDLOG_API spdlog::log_clock::time_point now() SPDLOG_NOEXCEPT; + +SPDLOG_API std::tm localtime(const std::time_t &time_tt) SPDLOG_NOEXCEPT; + +SPDLOG_API std::tm localtime() SPDLOG_NOEXCEPT; + +SPDLOG_API std::tm gmtime(const std::time_t &time_tt) SPDLOG_NOEXCEPT; + +SPDLOG_API std::tm gmtime() SPDLOG_NOEXCEPT; + +// eol definition +#if !defined(SPDLOG_EOL) +# ifdef _WIN32 +# define SPDLOG_EOL "\r\n" +# else +# define SPDLOG_EOL "\n" +# endif +#endif + +SPDLOG_CONSTEXPR static const char *default_eol = SPDLOG_EOL; + +// folder separator +#if !defined(SPDLOG_FOLDER_SEPS) +# ifdef _WIN32 +# define SPDLOG_FOLDER_SEPS "\\/" +# else +# define SPDLOG_FOLDER_SEPS "/" +# endif +#endif + +SPDLOG_CONSTEXPR static const char folder_seps[] = SPDLOG_FOLDER_SEPS; +SPDLOG_CONSTEXPR static const filename_t::value_type folder_seps_filename[] = SPDLOG_FILENAME_T(SPDLOG_FOLDER_SEPS); + +// fopen_s on non windows for writing +SPDLOG_API bool fopen_s(FILE **fp, const filename_t &filename, const filename_t &mode); + +// Remove filename. return 0 on success +SPDLOG_API int remove(const filename_t &filename) SPDLOG_NOEXCEPT; + +// Remove file if exists. return 0 on success +// Note: Non atomic (might return failure to delete if concurrently deleted by other process/thread) +SPDLOG_API int remove_if_exists(const filename_t &filename) SPDLOG_NOEXCEPT; + +SPDLOG_API int rename(const filename_t &filename1, const filename_t &filename2) SPDLOG_NOEXCEPT; + +// Return if file exists. +SPDLOG_API bool path_exists(const filename_t &filename) SPDLOG_NOEXCEPT; + +// Return file size according to open FILE* object +SPDLOG_API size_t filesize(FILE *f); + +// Return utc offset in minutes or throw spdlog_ex on failure +SPDLOG_API int utc_minutes_offset(const std::tm &tm = details::os::localtime()); + +// Return current thread id as size_t +// It exists because the std::this_thread::get_id() is much slower(especially +// under VS 2013) +SPDLOG_API size_t _thread_id() SPDLOG_NOEXCEPT; + +// Return current thread id as size_t (from thread local storage) +SPDLOG_API size_t thread_id() SPDLOG_NOEXCEPT; + +// This is avoid msvc issue in sleep_for that happens if the clock changes. +// See https://github.com/gabime/spdlog/issues/609 +SPDLOG_API void sleep_for_millis(unsigned int milliseconds) SPDLOG_NOEXCEPT; + +SPDLOG_API std::string filename_to_str(const filename_t &filename); + +SPDLOG_API int pid() SPDLOG_NOEXCEPT; + +// Determine if the terminal supports colors +// Source: https://github.com/agauniyal/rang/ +SPDLOG_API bool is_color_terminal() SPDLOG_NOEXCEPT; + +// Determine if the terminal attached +// Source: https://github.com/agauniyal/rang/ +SPDLOG_API bool in_terminal(FILE *file) SPDLOG_NOEXCEPT; + +#if (defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) || defined(SPDLOG_WCHAR_FILENAMES)) && defined(_WIN32) +SPDLOG_API void wstr_to_utf8buf(wstring_view_t wstr, memory_buf_t &target); + +SPDLOG_API void utf8_to_wstrbuf(string_view_t str, wmemory_buf_t &target); +#endif + +// Return directory name from given path or empty string +// "abc/file" => "abc" +// "abc/" => "abc" +// "abc" => "" +// "abc///" => "abc//" +SPDLOG_API filename_t dir_name(const filename_t &path); + +// Create a dir from the given path. +// Return true if succeeded or if this dir already exists. +SPDLOG_API bool create_dir(const filename_t &path); + +// non thread safe, cross platform getenv/getenv_s +// return empty string if field not found +SPDLOG_API std::string getenv(const char *field); + +// Do fsync by FILE objectpointer. +// Return true on success. +SPDLOG_API bool fsync(FILE *fp); + +} // namespace os +} // namespace details +} // namespace spdlog + +#ifdef SPDLOG_HEADER_ONLY +# include "os-inl.h" +#endif diff --git a/src/spdlog/details/periodic_worker-inl.h b/src/spdlog/details/periodic_worker-inl.h new file mode 100644 index 00000000..520a2b33 --- /dev/null +++ b/src/spdlog/details/periodic_worker-inl.h @@ -0,0 +1,28 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +#ifndef SPDLOG_HEADER_ONLY +# include +#endif + +namespace spdlog { +namespace details { + +// stop the worker thread and join it +SPDLOG_INLINE periodic_worker::~periodic_worker() +{ + if (worker_thread_.joinable()) + { + { + std::lock_guard lock(mutex_); + active_ = false; + } + cv_.notify_one(); + worker_thread_.join(); + } +} + +} // namespace details +} // namespace spdlog diff --git a/src/spdlog/details/periodic_worker.h b/src/spdlog/details/periodic_worker.h new file mode 100644 index 00000000..d7d69b28 --- /dev/null +++ b/src/spdlog/details/periodic_worker.h @@ -0,0 +1,60 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +// periodic worker thread - periodically executes the given callback function. +// +// RAII over the owned thread: +// creates the thread on construction. +// stops and joins the thread on destruction (if the thread is executing a callback, wait for it to finish first). + +#include +#include +#include +#include +#include +namespace spdlog { +namespace details { + +class SPDLOG_API periodic_worker +{ +public: + template + periodic_worker(const std::function &callback_fun, std::chrono::duration interval) + { + active_ = (interval > std::chrono::duration::zero()); + if (!active_) + { + return; + } + + worker_thread_ = std::thread([this, callback_fun, interval]() { + for (;;) + { + std::unique_lock lock(this->mutex_); + if (this->cv_.wait_for(lock, interval, [this] { return !this->active_; })) + { + return; // active_ == false, so exit this thread + } + callback_fun(); + } + }); + } + periodic_worker(const periodic_worker &) = delete; + periodic_worker &operator=(const periodic_worker &) = delete; + // stop the worker thread and join it + ~periodic_worker(); + +private: + bool active_; + std::thread worker_thread_; + std::mutex mutex_; + std::condition_variable cv_; +}; +} // namespace details +} // namespace spdlog + +#ifdef SPDLOG_HEADER_ONLY +# include "periodic_worker-inl.h" +#endif diff --git a/src/spdlog/details/registry-inl.h b/src/spdlog/details/registry-inl.h new file mode 100644 index 00000000..cb1fe84f --- /dev/null +++ b/src/spdlog/details/registry-inl.h @@ -0,0 +1,315 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +#ifndef SPDLOG_HEADER_ONLY +# include +#endif + +#include +#include +#include +#include + +#ifndef SPDLOG_DISABLE_DEFAULT_LOGGER +// support for the default stdout color logger +# ifdef _WIN32 +# include +# else +# include +# endif +#endif // SPDLOG_DISABLE_DEFAULT_LOGGER + +#include +#include +#include +#include +#include + +namespace spdlog { +namespace details { + +SPDLOG_INLINE registry::registry() + : formatter_(new pattern_formatter()) +{ + +#ifndef SPDLOG_DISABLE_DEFAULT_LOGGER + // create default logger (ansicolor_stdout_sink_mt or wincolor_stdout_sink_mt in windows). +# ifdef _WIN32 + auto color_sink = std::make_shared(); +# else + auto color_sink = std::make_shared(); +# endif + + const char *default_logger_name = ""; + default_logger_ = std::make_shared(default_logger_name, std::move(color_sink)); + loggers_[default_logger_name] = default_logger_; + +#endif // SPDLOG_DISABLE_DEFAULT_LOGGER +} + +SPDLOG_INLINE registry::~registry() = default; + +SPDLOG_INLINE void registry::register_logger(std::shared_ptr new_logger) +{ + std::lock_guard lock(logger_map_mutex_); + register_logger_(std::move(new_logger)); +} + +SPDLOG_INLINE void registry::initialize_logger(std::shared_ptr new_logger) +{ + std::lock_guard lock(logger_map_mutex_); + new_logger->set_formatter(formatter_->clone()); + + if (err_handler_) + { + new_logger->set_error_handler(err_handler_); + } + + // set new level according to previously configured level or default level + auto it = log_levels_.find(new_logger->name()); + auto new_level = it != log_levels_.end() ? it->second : global_log_level_; + new_logger->set_level(new_level); + + new_logger->flush_on(flush_level_); + + if (backtrace_n_messages_ > 0) + { + new_logger->enable_backtrace(backtrace_n_messages_); + } + + if (automatic_registration_) + { + register_logger_(std::move(new_logger)); + } +} + +SPDLOG_INLINE std::shared_ptr registry::get(const std::string &logger_name) +{ + std::lock_guard lock(logger_map_mutex_); + auto found = loggers_.find(logger_name); + return found == loggers_.end() ? nullptr : found->second; +} + +SPDLOG_INLINE std::shared_ptr registry::default_logger() +{ + std::lock_guard lock(logger_map_mutex_); + return default_logger_; +} + +// Return raw ptr to the default logger. +// To be used directly by the spdlog default api (e.g. spdlog::info) +// This make the default API faster, but cannot be used concurrently with set_default_logger(). +// e.g do not call set_default_logger() from one thread while calling spdlog::info() from another. +SPDLOG_INLINE logger *registry::get_default_raw() +{ + return default_logger_.get(); +} + +// set default logger. +// default logger is stored in default_logger_ (for faster retrieval) and in the loggers_ map. +SPDLOG_INLINE void registry::set_default_logger(std::shared_ptr new_default_logger) +{ + std::lock_guard lock(logger_map_mutex_); + // remove previous default logger from the map + if (default_logger_ != nullptr) + { + loggers_.erase(default_logger_->name()); + } + if (new_default_logger != nullptr) + { + loggers_[new_default_logger->name()] = new_default_logger; + } + default_logger_ = std::move(new_default_logger); +} + +SPDLOG_INLINE void registry::set_tp(std::shared_ptr tp) +{ + std::lock_guard lock(tp_mutex_); + tp_ = std::move(tp); +} + +SPDLOG_INLINE std::shared_ptr registry::get_tp() +{ + std::lock_guard lock(tp_mutex_); + return tp_; +} + +// Set global formatter. Each sink in each logger will get a clone of this object +SPDLOG_INLINE void registry::set_formatter(std::unique_ptr formatter) +{ + std::lock_guard lock(logger_map_mutex_); + formatter_ = std::move(formatter); + for (auto &l : loggers_) + { + l.second->set_formatter(formatter_->clone()); + } +} + +SPDLOG_INLINE void registry::enable_backtrace(size_t n_messages) +{ + std::lock_guard lock(logger_map_mutex_); + backtrace_n_messages_ = n_messages; + + for (auto &l : loggers_) + { + l.second->enable_backtrace(n_messages); + } +} + +SPDLOG_INLINE void registry::disable_backtrace() +{ + std::lock_guard lock(logger_map_mutex_); + backtrace_n_messages_ = 0; + for (auto &l : loggers_) + { + l.second->disable_backtrace(); + } +} + +SPDLOG_INLINE void registry::set_level(level::level_enum log_level) +{ + std::lock_guard lock(logger_map_mutex_); + for (auto &l : loggers_) + { + l.second->set_level(log_level); + } + global_log_level_ = log_level; +} + +SPDLOG_INLINE void registry::flush_on(level::level_enum log_level) +{ + std::lock_guard lock(logger_map_mutex_); + for (auto &l : loggers_) + { + l.second->flush_on(log_level); + } + flush_level_ = log_level; +} + +SPDLOG_INLINE void registry::set_error_handler(err_handler handler) +{ + std::lock_guard lock(logger_map_mutex_); + for (auto &l : loggers_) + { + l.second->set_error_handler(handler); + } + err_handler_ = std::move(handler); +} + +SPDLOG_INLINE void registry::apply_all(const std::function)> &fun) +{ + std::lock_guard lock(logger_map_mutex_); + for (auto &l : loggers_) + { + fun(l.second); + } +} + +SPDLOG_INLINE void registry::flush_all() +{ + std::lock_guard lock(logger_map_mutex_); + for (auto &l : loggers_) + { + l.second->flush(); + } +} + +SPDLOG_INLINE void registry::drop(const std::string &logger_name) +{ + std::lock_guard lock(logger_map_mutex_); + auto is_default_logger = default_logger_ && default_logger_->name() == logger_name; + loggers_.erase(logger_name); + if (is_default_logger) + { + default_logger_.reset(); + } +} + +SPDLOG_INLINE void registry::drop_all() +{ + std::lock_guard lock(logger_map_mutex_); + loggers_.clear(); + default_logger_.reset(); +} + +// clean all resources and threads started by the registry +SPDLOG_INLINE void registry::shutdown() +{ + { + std::lock_guard lock(flusher_mutex_); + periodic_flusher_.reset(); + } + + drop_all(); + + { + std::lock_guard lock(tp_mutex_); + tp_.reset(); + } +} + +SPDLOG_INLINE std::recursive_mutex ®istry::tp_mutex() +{ + return tp_mutex_; +} + +SPDLOG_INLINE void registry::set_automatic_registration(bool automatic_registration) +{ + std::lock_guard lock(logger_map_mutex_); + automatic_registration_ = automatic_registration; +} + +SPDLOG_INLINE void registry::set_levels(log_levels levels, level::level_enum *global_level) +{ + std::lock_guard lock(logger_map_mutex_); + log_levels_ = std::move(levels); + auto global_level_requested = global_level != nullptr; + global_log_level_ = global_level_requested ? *global_level : global_log_level_; + + for (auto &logger : loggers_) + { + auto logger_entry = log_levels_.find(logger.first); + if (logger_entry != log_levels_.end()) + { + logger.second->set_level(logger_entry->second); + } + else if (global_level_requested) + { + logger.second->set_level(*global_level); + } + } +} + +SPDLOG_INLINE registry ®istry::instance() +{ + static registry s_instance; + return s_instance; +} + +SPDLOG_INLINE void registry::apply_logger_env_levels(std::shared_ptr new_logger) +{ + std::lock_guard lock(logger_map_mutex_); + auto it = log_levels_.find(new_logger->name()); + auto new_level = it != log_levels_.end() ? it->second : global_log_level_; + new_logger->set_level(new_level); +} + +SPDLOG_INLINE void registry::throw_if_exists_(const std::string &logger_name) +{ + if (loggers_.find(logger_name) != loggers_.end()) + { + throw_spdlog_ex("logger with name '" + logger_name + "' already exists"); + } +} + +SPDLOG_INLINE void registry::register_logger_(std::shared_ptr new_logger) +{ + auto logger_name = new_logger->name(); + throw_if_exists_(logger_name); + loggers_[logger_name] = std::move(new_logger); +} + +} // namespace details +} // namespace spdlog diff --git a/src/spdlog/details/registry.h b/src/spdlog/details/registry.h new file mode 100644 index 00000000..4666fa29 --- /dev/null +++ b/src/spdlog/details/registry.h @@ -0,0 +1,123 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +// Loggers registry of unique name->logger pointer +// An attempt to create a logger with an already existing name will result with spdlog_ex exception. +// If user requests a non existing logger, nullptr will be returned +// This class is thread safe + +#include +#include + +#include +#include +#include +#include +#include +#include + +namespace spdlog { +class logger; + +namespace details { +class thread_pool; + +class SPDLOG_API registry +{ +public: + using log_levels = std::unordered_map; + registry(const registry &) = delete; + registry &operator=(const registry &) = delete; + + void register_logger(std::shared_ptr new_logger); + void initialize_logger(std::shared_ptr new_logger); + std::shared_ptr get(const std::string &logger_name); + std::shared_ptr default_logger(); + + // Return raw ptr to the default logger. + // To be used directly by the spdlog default api (e.g. spdlog::info) + // This make the default API faster, but cannot be used concurrently with set_default_logger(). + // e.g do not call set_default_logger() from one thread while calling spdlog::info() from another. + logger *get_default_raw(); + + // set default logger. + // default logger is stored in default_logger_ (for faster retrieval) and in the loggers_ map. + void set_default_logger(std::shared_ptr new_default_logger); + + void set_tp(std::shared_ptr tp); + + std::shared_ptr get_tp(); + + // Set global formatter. Each sink in each logger will get a clone of this object + void set_formatter(std::unique_ptr formatter); + + void enable_backtrace(size_t n_messages); + + void disable_backtrace(); + + void set_level(level::level_enum log_level); + + void flush_on(level::level_enum log_level); + + template + void flush_every(std::chrono::duration interval) + { + std::lock_guard lock(flusher_mutex_); + auto clbk = [this]() { this->flush_all(); }; + periodic_flusher_ = details::make_unique(clbk, interval); + } + + void set_error_handler(err_handler handler); + + void apply_all(const std::function)> &fun); + + void flush_all(); + + void drop(const std::string &logger_name); + + void drop_all(); + + // clean all resources and threads started by the registry + void shutdown(); + + std::recursive_mutex &tp_mutex(); + + void set_automatic_registration(bool automatic_registration); + + // set levels for all existing/future loggers. global_level can be null if should not set. + void set_levels(log_levels levels, level::level_enum *global_level); + + static registry &instance(); + + void apply_logger_env_levels(std::shared_ptr new_logger); + +private: + registry(); + ~registry(); + + void throw_if_exists_(const std::string &logger_name); + void register_logger_(std::shared_ptr new_logger); + bool set_level_from_cfg_(logger *logger); + std::mutex logger_map_mutex_, flusher_mutex_; + std::recursive_mutex tp_mutex_; + std::unordered_map> loggers_; + log_levels log_levels_; + std::unique_ptr formatter_; + spdlog::level::level_enum global_log_level_ = level::info; + level::level_enum flush_level_ = level::off; + err_handler err_handler_; + std::shared_ptr tp_; + std::unique_ptr periodic_flusher_; + std::shared_ptr default_logger_; + bool automatic_registration_ = true; + size_t backtrace_n_messages_ = 0; +}; + +} // namespace details +} // namespace spdlog + +#ifdef SPDLOG_HEADER_ONLY +# include "registry-inl.h" +#endif diff --git a/src/spdlog/details/synchronous_factory.h b/src/spdlog/details/synchronous_factory.h new file mode 100644 index 00000000..e1e42268 --- /dev/null +++ b/src/spdlog/details/synchronous_factory.h @@ -0,0 +1,24 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +#include "registry.h" + +namespace spdlog { + +// Default logger factory- creates synchronous loggers +class logger; + +struct synchronous_factory +{ + template + static std::shared_ptr create(std::string logger_name, SinkArgs &&...args) + { + auto sink = std::make_shared(std::forward(args)...); + auto new_logger = std::make_shared(std::move(logger_name), std::move(sink)); + details::registry::instance().initialize_logger(new_logger); + return new_logger; + } +}; +} // namespace spdlog diff --git a/src/spdlog/details/tcp_client-windows.h b/src/spdlog/details/tcp_client-windows.h new file mode 100644 index 00000000..968b2570 --- /dev/null +++ b/src/spdlog/details/tcp_client-windows.h @@ -0,0 +1,160 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +#define WIN32_LEAN_AND_MEAN +// tcp client helper +#include +#include + +#include +#include +#include +#include +#include +#include + +#pragma comment(lib, "Ws2_32.lib") +#pragma comment(lib, "Mswsock.lib") +#pragma comment(lib, "AdvApi32.lib") + +namespace spdlog { +namespace details { +class tcp_client +{ + SOCKET socket_ = INVALID_SOCKET; + + static void init_winsock_() + { + WSADATA wsaData; + auto rv = WSAStartup(MAKEWORD(2, 2), &wsaData); + if (rv != 0) + { + throw_winsock_error_("WSAStartup failed", ::WSAGetLastError()); + } + } + + static void throw_winsock_error_(const std::string &msg, int last_error) + { + char buf[512]; + ::FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL, last_error, + MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), buf, (sizeof(buf) / sizeof(char)), NULL); + + throw_spdlog_ex(fmt_lib::format("tcp_sink - {}: {}", msg, buf)); + } + +public: + tcp_client() + { + init_winsock_(); + } + + ~tcp_client() + { + close(); + ::WSACleanup(); + } + + bool is_connected() const + { + return socket_ != INVALID_SOCKET; + } + + void close() + { + ::closesocket(socket_); + socket_ = INVALID_SOCKET; + } + + SOCKET fd() const + { + return socket_; + } + + // try to connect or throw on failure + void connect(const std::string &host, int port) + { + if (is_connected()) + { + close(); + } + struct addrinfo hints + {}; + ZeroMemory(&hints, sizeof(hints)); + + hints.ai_family = AF_UNSPEC; // To work with IPv4, IPv6, and so on + hints.ai_socktype = SOCK_STREAM; // TCP + hints.ai_flags = AI_NUMERICSERV; // port passed as as numeric value + hints.ai_protocol = 0; + + auto port_str = std::to_string(port); + struct addrinfo *addrinfo_result; + auto rv = ::getaddrinfo(host.c_str(), port_str.c_str(), &hints, &addrinfo_result); + int last_error = 0; + if (rv != 0) + { + last_error = ::WSAGetLastError(); + WSACleanup(); + throw_winsock_error_("getaddrinfo failed", last_error); + } + + // Try each address until we successfully connect(2). + + for (auto *rp = addrinfo_result; rp != nullptr; rp = rp->ai_next) + { + socket_ = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol); + if (socket_ == INVALID_SOCKET) + { + last_error = ::WSAGetLastError(); + WSACleanup(); + continue; + } + if (::connect(socket_, rp->ai_addr, (int)rp->ai_addrlen) == 0) + { + break; + } + else + { + last_error = ::WSAGetLastError(); + close(); + } + } + ::freeaddrinfo(addrinfo_result); + if (socket_ == INVALID_SOCKET) + { + WSACleanup(); + throw_winsock_error_("connect failed", last_error); + } + + // set TCP_NODELAY + int enable_flag = 1; + ::setsockopt(socket_, IPPROTO_TCP, TCP_NODELAY, reinterpret_cast(&enable_flag), sizeof(enable_flag)); + } + + // Send exactly n_bytes of the given data. + // On error close the connection and throw. + void send(const char *data, size_t n_bytes) + { + size_t bytes_sent = 0; + while (bytes_sent < n_bytes) + { + const int send_flags = 0; + auto write_result = ::send(socket_, data + bytes_sent, (int)(n_bytes - bytes_sent), send_flags); + if (write_result == SOCKET_ERROR) + { + int last_error = ::WSAGetLastError(); + close(); + throw_winsock_error_("send failed", last_error); + } + + if (write_result == 0) // (probably should not happen but in any case..) + { + break; + } + bytes_sent += static_cast(write_result); + } + } +}; +} // namespace details +} // namespace spdlog diff --git a/src/spdlog/details/tcp_client.h b/src/spdlog/details/tcp_client.h new file mode 100644 index 00000000..8b11dfd2 --- /dev/null +++ b/src/spdlog/details/tcp_client.h @@ -0,0 +1,146 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +#ifdef _WIN32 +# error include tcp_client-windows.h instead +#endif + +// tcp client helper +#include +#include + +#include +#include +#include +#include +#include +#include + +#include + +namespace spdlog { +namespace details { +class tcp_client +{ + int socket_ = -1; + +public: + bool is_connected() const + { + return socket_ != -1; + } + + void close() + { + if (is_connected()) + { + ::close(socket_); + socket_ = -1; + } + } + + int fd() const + { + return socket_; + } + + ~tcp_client() + { + close(); + } + + // try to connect or throw on failure + void connect(const std::string &host, int port) + { + close(); + struct addrinfo hints + {}; + memset(&hints, 0, sizeof(struct addrinfo)); + hints.ai_family = AF_UNSPEC; // To work with IPv4, IPv6, and so on + hints.ai_socktype = SOCK_STREAM; // TCP + hints.ai_flags = AI_NUMERICSERV; // port passed as as numeric value + hints.ai_protocol = 0; + + auto port_str = std::to_string(port); + struct addrinfo *addrinfo_result; + auto rv = ::getaddrinfo(host.c_str(), port_str.c_str(), &hints, &addrinfo_result); + if (rv != 0) + { + throw_spdlog_ex(fmt_lib::format("::getaddrinfo failed: {}", gai_strerror(rv))); + } + + // Try each address until we successfully connect(2). + int last_errno = 0; + for (auto *rp = addrinfo_result; rp != nullptr; rp = rp->ai_next) + { +#if defined(SOCK_CLOEXEC) + const int flags = SOCK_CLOEXEC; +#else + const int flags = 0; +#endif + socket_ = ::socket(rp->ai_family, rp->ai_socktype | flags, rp->ai_protocol); + if (socket_ == -1) + { + last_errno = errno; + continue; + } + rv = ::connect(socket_, rp->ai_addr, rp->ai_addrlen); + if (rv == 0) + { + break; + } + last_errno = errno; + ::close(socket_); + socket_ = -1; + } + ::freeaddrinfo(addrinfo_result); + if (socket_ == -1) + { + throw_spdlog_ex("::connect failed", last_errno); + } + + // set TCP_NODELAY + int enable_flag = 1; + ::setsockopt(socket_, IPPROTO_TCP, TCP_NODELAY, reinterpret_cast(&enable_flag), sizeof(enable_flag)); + + // prevent sigpipe on systems where MSG_NOSIGNAL is not available +#if defined(SO_NOSIGPIPE) && !defined(MSG_NOSIGNAL) + ::setsockopt(socket_, SOL_SOCKET, SO_NOSIGPIPE, reinterpret_cast(&enable_flag), sizeof(enable_flag)); +#endif + +#if !defined(SO_NOSIGPIPE) && !defined(MSG_NOSIGNAL) +# error "tcp_sink would raise SIGPIPE since neither SO_NOSIGPIPE nor MSG_NOSIGNAL are available" +#endif + } + + // Send exactly n_bytes of the given data. + // On error close the connection and throw. + void send(const char *data, size_t n_bytes) + { + size_t bytes_sent = 0; + while (bytes_sent < n_bytes) + { +#if defined(MSG_NOSIGNAL) + const int send_flags = MSG_NOSIGNAL; +#else + const int send_flags = 0; +#endif + auto write_result = ::send(socket_, data + bytes_sent, n_bytes - bytes_sent, send_flags); + if (write_result < 0) + { + close(); + throw_spdlog_ex("write(2) failed", errno); + } + + if (write_result == 0) // (probably should not happen but in any case..) + { + break; + } + bytes_sent += static_cast(write_result); + } + } +}; +} // namespace details +} // namespace spdlog diff --git a/src/spdlog/details/thread_pool-inl.h b/src/spdlog/details/thread_pool-inl.h new file mode 100644 index 00000000..dbd424ff --- /dev/null +++ b/src/spdlog/details/thread_pool-inl.h @@ -0,0 +1,137 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +#ifndef SPDLOG_HEADER_ONLY +# include +#endif + +#include +#include + +namespace spdlog { +namespace details { + +SPDLOG_INLINE thread_pool::thread_pool( + size_t q_max_items, size_t threads_n, std::function on_thread_start, std::function on_thread_stop) + : q_(q_max_items) +{ + if (threads_n == 0 || threads_n > 1000) + { + throw_spdlog_ex("spdlog::thread_pool(): invalid threads_n param (valid " + "range is 1-1000)"); + } + for (size_t i = 0; i < threads_n; i++) + { + threads_.emplace_back([this, on_thread_start, on_thread_stop] { + on_thread_start(); + this->thread_pool::worker_loop_(); + on_thread_stop(); + }); + } +} + +SPDLOG_INLINE thread_pool::thread_pool(size_t q_max_items, size_t threads_n, std::function on_thread_start) + : thread_pool(q_max_items, threads_n, on_thread_start, [] {}) +{} + +SPDLOG_INLINE thread_pool::thread_pool(size_t q_max_items, size_t threads_n) + : thread_pool( + q_max_items, threads_n, [] {}, [] {}) +{} + +// message all threads to terminate gracefully join them +SPDLOG_INLINE thread_pool::~thread_pool() +{ + SPDLOG_TRY + { + for (size_t i = 0; i < threads_.size(); i++) + { + post_async_msg_(async_msg(async_msg_type::terminate), async_overflow_policy::block); + } + + for (auto &t : threads_) + { + t.join(); + } + } + SPDLOG_CATCH_STD +} + +void SPDLOG_INLINE thread_pool::post_log(async_logger_ptr &&worker_ptr, const details::log_msg &msg, async_overflow_policy overflow_policy) +{ + async_msg async_m(std::move(worker_ptr), async_msg_type::log, msg); + post_async_msg_(std::move(async_m), overflow_policy); +} + +void SPDLOG_INLINE thread_pool::post_flush(async_logger_ptr &&worker_ptr, async_overflow_policy overflow_policy) +{ + post_async_msg_(async_msg(std::move(worker_ptr), async_msg_type::flush), overflow_policy); +} + +size_t SPDLOG_INLINE thread_pool::overrun_counter() +{ + return q_.overrun_counter(); +} + +void SPDLOG_INLINE thread_pool::reset_overrun_counter() +{ + q_.reset_overrun_counter(); +} + +size_t SPDLOG_INLINE thread_pool::queue_size() +{ + return q_.size(); +} + +void SPDLOG_INLINE thread_pool::post_async_msg_(async_msg &&new_msg, async_overflow_policy overflow_policy) +{ + if (overflow_policy == async_overflow_policy::block) + { + q_.enqueue(std::move(new_msg)); + } + else + { + q_.enqueue_nowait(std::move(new_msg)); + } +} + +void SPDLOG_INLINE thread_pool::worker_loop_() +{ + while (process_next_msg_()) {} +} + +// process next message in the queue +// return true if this thread should still be active (while no terminate msg +// was received) +bool SPDLOG_INLINE thread_pool::process_next_msg_() +{ + async_msg incoming_async_msg; + q_.dequeue(incoming_async_msg); + + switch (incoming_async_msg.msg_type) + { + case async_msg_type::log: { + incoming_async_msg.worker_ptr->backend_sink_it_(incoming_async_msg); + return true; + } + case async_msg_type::flush: { + incoming_async_msg.worker_ptr->backend_flush_(); + return true; + } + + case async_msg_type::terminate: { + return false; + } + + default: { + assert(false); + } + } + + return true; +} + +} // namespace details +} // namespace spdlog diff --git a/src/spdlog/details/thread_pool.h b/src/spdlog/details/thread_pool.h new file mode 100644 index 00000000..52c569b8 --- /dev/null +++ b/src/spdlog/details/thread_pool.h @@ -0,0 +1,122 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +#include +#include +#include + +#include +#include +#include +#include +#include + +namespace spdlog { +class async_logger; + +namespace details { + +using async_logger_ptr = std::shared_ptr; + +enum class async_msg_type +{ + log, + flush, + terminate +}; + +// Async msg to move to/from the queue +// Movable only. should never be copied +struct async_msg : log_msg_buffer +{ + async_msg_type msg_type{async_msg_type::log}; + async_logger_ptr worker_ptr; + + async_msg() = default; + ~async_msg() = default; + + // should only be moved in or out of the queue.. + async_msg(const async_msg &) = delete; + +// support for vs2013 move +#if defined(_MSC_VER) && _MSC_VER <= 1800 + async_msg(async_msg &&other) + : log_msg_buffer(std::move(other)) + , msg_type(other.msg_type) + , worker_ptr(std::move(other.worker_ptr)) + {} + + async_msg &operator=(async_msg &&other) + { + *static_cast(this) = std::move(other); + msg_type = other.msg_type; + worker_ptr = std::move(other.worker_ptr); + return *this; + } +#else // (_MSC_VER) && _MSC_VER <= 1800 + async_msg(async_msg &&) = default; + async_msg &operator=(async_msg &&) = default; +#endif + + // construct from log_msg with given type + async_msg(async_logger_ptr &&worker, async_msg_type the_type, const details::log_msg &m) + : log_msg_buffer{m} + , msg_type{the_type} + , worker_ptr{std::move(worker)} + {} + + async_msg(async_logger_ptr &&worker, async_msg_type the_type) + : log_msg_buffer{} + , msg_type{the_type} + , worker_ptr{std::move(worker)} + {} + + explicit async_msg(async_msg_type the_type) + : async_msg{nullptr, the_type} + {} +}; + +class SPDLOG_API thread_pool +{ +public: + using item_type = async_msg; + using q_type = details::mpmc_blocking_queue; + + thread_pool(size_t q_max_items, size_t threads_n, std::function on_thread_start, std::function on_thread_stop); + thread_pool(size_t q_max_items, size_t threads_n, std::function on_thread_start); + thread_pool(size_t q_max_items, size_t threads_n); + + // message all threads to terminate gracefully and join them + ~thread_pool(); + + thread_pool(const thread_pool &) = delete; + thread_pool &operator=(thread_pool &&) = delete; + + void post_log(async_logger_ptr &&worker_ptr, const details::log_msg &msg, async_overflow_policy overflow_policy); + void post_flush(async_logger_ptr &&worker_ptr, async_overflow_policy overflow_policy); + size_t overrun_counter(); + void reset_overrun_counter(); + size_t queue_size(); + +private: + q_type q_; + + std::vector threads_; + + void post_async_msg_(async_msg &&new_msg, async_overflow_policy overflow_policy); + void worker_loop_(); + + // process next message in the queue + // return true if this thread should still be active (while no terminate msg + // was received) + bool process_next_msg_(); +}; + +} // namespace details +} // namespace spdlog + +#ifdef SPDLOG_HEADER_ONLY +# include "thread_pool-inl.h" +#endif diff --git a/src/spdlog/details/udp_client-windows.h b/src/spdlog/details/udp_client-windows.h new file mode 100644 index 00000000..10894ee6 --- /dev/null +++ b/src/spdlog/details/udp_client-windows.h @@ -0,0 +1,113 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +// Helper RAII over winsock udp client socket. +// Will throw on construction if socket creation failed. + +#include +#include +#include +#include +#include +#include +#include +#include + +#if defined(_MSC_VER) +# pragma comment(lib, "Ws2_32.lib") +# pragma comment(lib, "Mswsock.lib") +# pragma comment(lib, "AdvApi32.lib") +#endif + +namespace spdlog { +namespace details { +class udp_client +{ + static constexpr int TX_BUFFER_SIZE = 1024 * 10; + SOCKET socket_ = INVALID_SOCKET; + sockaddr_in addr_ = {}; + + static void init_winsock_() + { + WSADATA wsaData; + auto rv = ::WSAStartup(MAKEWORD(2, 2), &wsaData); + if (rv != 0) + { + throw_winsock_error_("WSAStartup failed", ::WSAGetLastError()); + } + } + + static void throw_winsock_error_(const std::string &msg, int last_error) + { + char buf[512]; + ::FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL, last_error, + MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), buf, (sizeof(buf) / sizeof(char)), NULL); + + throw_spdlog_ex(fmt_lib::format("udp_sink - {}: {}", msg, buf)); + } + + void cleanup_() + { + if (socket_ != INVALID_SOCKET) + { + ::closesocket(socket_); + } + socket_ = INVALID_SOCKET; + ::WSACleanup(); + } + +public: + udp_client(const std::string &host, uint16_t port) + { + init_winsock_(); + + addr_.sin_family = PF_INET; + addr_.sin_port = htons(port); + addr_.sin_addr.s_addr = INADDR_ANY; + if (InetPtonA(PF_INET, host.c_str(), &addr_.sin_addr.s_addr) != 1) + { + int last_error = ::WSAGetLastError(); + ::WSACleanup(); + throw_winsock_error_("error: Invalid address!", last_error); + } + + socket_ = ::socket(PF_INET, SOCK_DGRAM, 0); + if (socket_ == INVALID_SOCKET) + { + int last_error = ::WSAGetLastError(); + ::WSACleanup(); + throw_winsock_error_("error: Create Socket failed", last_error); + } + + int option_value = TX_BUFFER_SIZE; + if (::setsockopt(socket_, SOL_SOCKET, SO_SNDBUF, reinterpret_cast(&option_value), sizeof(option_value)) < 0) + { + int last_error = ::WSAGetLastError(); + cleanup_(); + throw_winsock_error_("error: setsockopt(SO_SNDBUF) Failed!", last_error); + } + } + + ~udp_client() + { + cleanup_(); + } + + SOCKET fd() const + { + return socket_; + } + + void send(const char *data, size_t n_bytes) + { + socklen_t tolen = sizeof(struct sockaddr); + if (::sendto(socket_, data, static_cast(n_bytes), 0, (struct sockaddr *)&addr_, tolen) == -1) + { + throw_spdlog_ex("sendto(2) failed", errno); + } + } +}; +} // namespace details +} // namespace spdlog diff --git a/src/spdlog/details/udp_client.h b/src/spdlog/details/udp_client.h new file mode 100644 index 00000000..e8c2cccf --- /dev/null +++ b/src/spdlog/details/udp_client.h @@ -0,0 +1,94 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +// Helper RAII over unix udp client socket. +// Will throw on construction if the socket creation failed. + +#ifdef _WIN32 +# error "include udp_client-windows.h instead" +#endif + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +namespace spdlog { +namespace details { + +class udp_client +{ + static constexpr int TX_BUFFER_SIZE = 1024 * 10; + int socket_ = -1; + struct sockaddr_in sockAddr_; + + void cleanup_() + { + if (socket_ != -1) + { + ::close(socket_); + socket_ = -1; + } + } + +public: + udp_client(const std::string &host, uint16_t port) + { + socket_ = ::socket(PF_INET, SOCK_DGRAM, 0); + if (socket_ < 0) + { + throw_spdlog_ex("error: Create Socket Failed!"); + } + + int option_value = TX_BUFFER_SIZE; + if (::setsockopt(socket_, SOL_SOCKET, SO_SNDBUF, reinterpret_cast(&option_value), sizeof(option_value)) < 0) + { + cleanup_(); + throw_spdlog_ex("error: setsockopt(SO_SNDBUF) Failed!"); + } + + sockAddr_.sin_family = AF_INET; + sockAddr_.sin_port = htons(port); + + if (::inet_aton(host.c_str(), &sockAddr_.sin_addr) == 0) + { + cleanup_(); + throw_spdlog_ex("error: Invalid address!"); + } + + ::memset(sockAddr_.sin_zero, 0x00, sizeof(sockAddr_.sin_zero)); + } + + ~udp_client() + { + cleanup_(); + } + + int fd() const + { + return socket_; + } + + // Send exactly n_bytes of the given data. + // On error close the connection and throw. + void send(const char *data, size_t n_bytes) + { + ssize_t toslen = 0; + socklen_t tolen = sizeof(struct sockaddr); + if ((toslen = ::sendto(socket_, data, n_bytes, 0, (struct sockaddr *)&sockAddr_, tolen)) == -1) + { + throw_spdlog_ex("sendto(2) failed", errno); + } + } +}; +} // namespace details +} // namespace spdlog diff --git a/src/spdlog/details/windows_include.h b/src/spdlog/details/windows_include.h new file mode 100644 index 00000000..a92390b9 --- /dev/null +++ b/src/spdlog/details/windows_include.h @@ -0,0 +1,11 @@ +#pragma once + +#ifndef NOMINMAX +# define NOMINMAX // prevent windows redefining min/max +#endif + +#ifndef WIN32_LEAN_AND_MEAN +# define WIN32_LEAN_AND_MEAN +#endif + +#include diff --git a/src/spdlog/fmt/bin_to_hex.h b/src/spdlog/fmt/bin_to_hex.h new file mode 100644 index 00000000..3bf003d4 --- /dev/null +++ b/src/spdlog/fmt/bin_to_hex.h @@ -0,0 +1,248 @@ +// +// Copyright(c) 2015 Gabi Melman. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) +// + +#pragma once + +#include +#include + +#if defined(__has_include) +# if __has_include() +# include +# endif +#endif + +#if __cpp_lib_span >= 202002L +# include +#endif + +// +// Support for logging binary data as hex +// format flags, any combination of the following: +// {:X} - print in uppercase. +// {:s} - don't separate each byte with space. +// {:p} - don't print the position on each line start. +// {:n} - don't split the output to lines. +// {:a} - show ASCII if :n is not set + +// +// Examples: +// +// std::vector v(200, 0x0b); +// logger->info("Some buffer {}", spdlog::to_hex(v)); +// char buf[128]; +// logger->info("Some buffer {:X}", spdlog::to_hex(std::begin(buf), std::end(buf))); +// logger->info("Some buffer {:X}", spdlog::to_hex(std::begin(buf), std::end(buf), 16)); + +namespace spdlog { +namespace details { + +template +class dump_info +{ +public: + dump_info(It range_begin, It range_end, size_t size_per_line) + : begin_(range_begin) + , end_(range_end) + , size_per_line_(size_per_line) + {} + + // do not use begin() and end() to avoid collision with fmt/ranges + It get_begin() const + { + return begin_; + } + It get_end() const + { + return end_; + } + size_t size_per_line() const + { + return size_per_line_; + } + +private: + It begin_, end_; + size_t size_per_line_; +}; +} // namespace details + +// create a dump_info that wraps the given container +template +inline details::dump_info to_hex(const Container &container, size_t size_per_line = 32) +{ + static_assert(sizeof(typename Container::value_type) == 1, "sizeof(Container::value_type) != 1"); + using Iter = typename Container::const_iterator; + return details::dump_info(std::begin(container), std::end(container), size_per_line); +} + +#if __cpp_lib_span >= 202002L + +template +inline details::dump_info::iterator> to_hex( + const std::span &container, size_t size_per_line = 32) +{ + using Container = std::span; + static_assert(sizeof(typename Container::value_type) == 1, "sizeof(Container::value_type) != 1"); + using Iter = typename Container::iterator; + return details::dump_info(std::begin(container), std::end(container), size_per_line); +} + +#endif + +// create dump_info from ranges +template +inline details::dump_info to_hex(const It range_begin, const It range_end, size_t size_per_line = 32) +{ + return details::dump_info(range_begin, range_end, size_per_line); +} + +} // namespace spdlog + +namespace +#ifdef SPDLOG_USE_STD_FORMAT + std +#else + fmt +#endif +{ + +template +struct formatter, char> +{ + const char delimiter = ' '; + bool put_newlines = true; + bool put_delimiters = true; + bool use_uppercase = false; + bool put_positions = true; // position on start of each line + bool show_ascii = false; + + // parse the format string flags + template + SPDLOG_CONSTEXPR_FUNC auto parse(ParseContext &ctx) -> decltype(ctx.begin()) + { + auto it = ctx.begin(); + while (it != ctx.end() && *it != '}') + { + switch (*it) + { + case 'X': + use_uppercase = true; + break; + case 's': + put_delimiters = false; + break; + case 'p': + put_positions = false; + break; + case 'n': + put_newlines = false; + show_ascii = false; + break; + case 'a': + if (put_newlines) + { + show_ascii = true; + } + break; + } + + ++it; + } + return it; + } + + // format the given bytes range as hex + template + auto format(const spdlog::details::dump_info &the_range, FormatContext &ctx) const -> decltype(ctx.out()) + { + SPDLOG_CONSTEXPR const char *hex_upper = "0123456789ABCDEF"; + SPDLOG_CONSTEXPR const char *hex_lower = "0123456789abcdef"; + const char *hex_chars = use_uppercase ? hex_upper : hex_lower; + +#if !defined(SPDLOG_USE_STD_FORMAT) && FMT_VERSION < 60000 + auto inserter = ctx.begin(); +#else + auto inserter = ctx.out(); +#endif + + int size_per_line = static_cast(the_range.size_per_line()); + auto start_of_line = the_range.get_begin(); + for (auto i = the_range.get_begin(); i != the_range.get_end(); i++) + { + auto ch = static_cast(*i); + + if (put_newlines && (i == the_range.get_begin() || i - start_of_line >= size_per_line)) + { + if (show_ascii && i != the_range.get_begin()) + { + *inserter++ = delimiter; + *inserter++ = delimiter; + for (auto j = start_of_line; j < i; j++) + { + auto pc = static_cast(*j); + *inserter++ = std::isprint(pc) ? static_cast(*j) : '.'; + } + } + + put_newline(inserter, static_cast(i - the_range.get_begin())); + + // put first byte without delimiter in front of it + *inserter++ = hex_chars[(ch >> 4) & 0x0f]; + *inserter++ = hex_chars[ch & 0x0f]; + start_of_line = i; + continue; + } + + if (put_delimiters && i != the_range.get_begin()) + { + *inserter++ = delimiter; + } + + *inserter++ = hex_chars[(ch >> 4) & 0x0f]; + *inserter++ = hex_chars[ch & 0x0f]; + } + if (show_ascii) // add ascii to last line + { + if (the_range.get_end() - the_range.get_begin() > size_per_line) + { + auto blank_num = size_per_line - (the_range.get_end() - start_of_line); + while (blank_num-- > 0) + { + *inserter++ = delimiter; + *inserter++ = delimiter; + if (put_delimiters) + { + *inserter++ = delimiter; + } + } + } + *inserter++ = delimiter; + *inserter++ = delimiter; + for (auto j = start_of_line; j != the_range.get_end(); j++) + { + auto pc = static_cast(*j); + *inserter++ = std::isprint(pc) ? static_cast(*j) : '.'; + } + } + return inserter; + } + + // put newline(and position header) + template + void put_newline(It inserter, std::size_t pos) const + { +#ifdef _WIN32 + *inserter++ = '\r'; +#endif + *inserter++ = '\n'; + + if (put_positions) + { + spdlog::fmt_lib::format_to(inserter, SPDLOG_FMT_STRING("{:04X}: "), pos); + } + } +}; +} // namespace std diff --git a/src/spdlog/fmt/bundled/args.h b/src/spdlog/fmt/bundled/args.h new file mode 100644 index 00000000..a3966d14 --- /dev/null +++ b/src/spdlog/fmt/bundled/args.h @@ -0,0 +1,234 @@ +// Formatting library for C++ - dynamic format arguments +// +// Copyright (c) 2012 - present, Victor Zverovich +// All rights reserved. +// +// For the license information refer to format.h. + +#ifndef FMT_ARGS_H_ +#define FMT_ARGS_H_ + +#include // std::reference_wrapper +#include // std::unique_ptr +#include + +#include "core.h" + +FMT_BEGIN_NAMESPACE + +namespace detail { + +template struct is_reference_wrapper : std::false_type {}; +template +struct is_reference_wrapper> : std::true_type {}; + +template const T& unwrap(const T& v) { return v; } +template const T& unwrap(const std::reference_wrapper& v) { + return static_cast(v); +} + +class dynamic_arg_list { + // Workaround for clang's -Wweak-vtables. Unlike for regular classes, for + // templates it doesn't complain about inability to deduce single translation + // unit for placing vtable. So storage_node_base is made a fake template. + template struct node { + virtual ~node() = default; + std::unique_ptr> next; + }; + + template struct typed_node : node<> { + T value; + + template + FMT_CONSTEXPR typed_node(const Arg& arg) : value(arg) {} + + template + FMT_CONSTEXPR typed_node(const basic_string_view& arg) + : value(arg.data(), arg.size()) {} + }; + + std::unique_ptr> head_; + + public: + template const T& push(const Arg& arg) { + auto new_node = std::unique_ptr>(new typed_node(arg)); + auto& value = new_node->value; + new_node->next = std::move(head_); + head_ = std::move(new_node); + return value; + } +}; +} // namespace detail + +/** + \rst + A dynamic version of `fmt::format_arg_store`. + It's equipped with a storage to potentially temporary objects which lifetimes + could be shorter than the format arguments object. + + It can be implicitly converted into `~fmt::basic_format_args` for passing + into type-erased formatting functions such as `~fmt::vformat`. + \endrst + */ +template +class dynamic_format_arg_store +#if FMT_GCC_VERSION && FMT_GCC_VERSION < 409 + // Workaround a GCC template argument substitution bug. + : public basic_format_args +#endif +{ + private: + using char_type = typename Context::char_type; + + template struct need_copy { + static constexpr detail::type mapped_type = + detail::mapped_type_constant::value; + + enum { + value = !(detail::is_reference_wrapper::value || + std::is_same>::value || + std::is_same>::value || + (mapped_type != detail::type::cstring_type && + mapped_type != detail::type::string_type && + mapped_type != detail::type::custom_type)) + }; + }; + + template + using stored_type = conditional_t< + std::is_convertible>::value && + !detail::is_reference_wrapper::value, + std::basic_string, T>; + + // Storage of basic_format_arg must be contiguous. + std::vector> data_; + std::vector> named_info_; + + // Storage of arguments not fitting into basic_format_arg must grow + // without relocation because items in data_ refer to it. + detail::dynamic_arg_list dynamic_args_; + + friend class basic_format_args; + + unsigned long long get_types() const { + return detail::is_unpacked_bit | data_.size() | + (named_info_.empty() + ? 0ULL + : static_cast(detail::has_named_args_bit)); + } + + const basic_format_arg* data() const { + return named_info_.empty() ? data_.data() : data_.data() + 1; + } + + template void emplace_arg(const T& arg) { + data_.emplace_back(detail::make_arg(arg)); + } + + template + void emplace_arg(const detail::named_arg& arg) { + if (named_info_.empty()) { + constexpr const detail::named_arg_info* zero_ptr{nullptr}; + data_.insert(data_.begin(), {zero_ptr, 0}); + } + data_.emplace_back(detail::make_arg(detail::unwrap(arg.value))); + auto pop_one = [](std::vector>* data) { + data->pop_back(); + }; + std::unique_ptr>, decltype(pop_one)> + guard{&data_, pop_one}; + named_info_.push_back({arg.name, static_cast(data_.size() - 2u)}); + data_[0].value_.named_args = {named_info_.data(), named_info_.size()}; + guard.release(); + } + + public: + constexpr dynamic_format_arg_store() = default; + + /** + \rst + Adds an argument into the dynamic store for later passing to a formatting + function. + + Note that custom types and string types (but not string views) are copied + into the store dynamically allocating memory if necessary. + + **Example**:: + + fmt::dynamic_format_arg_store store; + store.push_back(42); + store.push_back("abc"); + store.push_back(1.5f); + std::string result = fmt::vformat("{} and {} and {}", store); + \endrst + */ + template void push_back(const T& arg) { + if (detail::const_check(need_copy::value)) + emplace_arg(dynamic_args_.push>(arg)); + else + emplace_arg(detail::unwrap(arg)); + } + + /** + \rst + Adds a reference to the argument into the dynamic store for later passing to + a formatting function. + + **Example**:: + + fmt::dynamic_format_arg_store store; + char band[] = "Rolling Stones"; + store.push_back(std::cref(band)); + band[9] = 'c'; // Changing str affects the output. + std::string result = fmt::vformat("{}", store); + // result == "Rolling Scones" + \endrst + */ + template void push_back(std::reference_wrapper arg) { + static_assert( + need_copy::value, + "objects of built-in types and string views are always copied"); + emplace_arg(arg.get()); + } + + /** + Adds named argument into the dynamic store for later passing to a formatting + function. ``std::reference_wrapper`` is supported to avoid copying of the + argument. The name is always copied into the store. + */ + template + void push_back(const detail::named_arg& arg) { + const char_type* arg_name = + dynamic_args_.push>(arg.name).c_str(); + if (detail::const_check(need_copy::value)) { + emplace_arg( + fmt::arg(arg_name, dynamic_args_.push>(arg.value))); + } else { + emplace_arg(fmt::arg(arg_name, arg.value)); + } + } + + /** Erase all elements from the store */ + void clear() { + data_.clear(); + named_info_.clear(); + dynamic_args_ = detail::dynamic_arg_list(); + } + + /** + \rst + Reserves space to store at least *new_cap* arguments including + *new_cap_named* named arguments. + \endrst + */ + void reserve(size_t new_cap, size_t new_cap_named) { + FMT_ASSERT(new_cap >= new_cap_named, + "Set of arguments includes set of named arguments"); + data_.reserve(new_cap); + named_info_.reserve(new_cap_named); + } +}; + +FMT_END_NAMESPACE + +#endif // FMT_ARGS_H_ diff --git a/src/spdlog/fmt/bundled/chrono.h b/src/spdlog/fmt/bundled/chrono.h new file mode 100644 index 00000000..b112f76e --- /dev/null +++ b/src/spdlog/fmt/bundled/chrono.h @@ -0,0 +1,2069 @@ +// Formatting library for C++ - chrono support +// +// Copyright (c) 2012 - present, Victor Zverovich +// All rights reserved. +// +// For the license information refer to format.h. + +#ifndef FMT_CHRONO_H_ +#define FMT_CHRONO_H_ + +#include +#include +#include // std::isfinite +#include // std::memcpy +#include +#include +#include +#include +#include + +#include "format.h" + +FMT_BEGIN_NAMESPACE + +// Enable tzset. +#ifndef FMT_USE_TZSET +// UWP doesn't provide _tzset. +# if FMT_HAS_INCLUDE("winapifamily.h") +# include +# endif +# if defined(_WIN32) && (!defined(WINAPI_FAMILY) || \ + (WINAPI_FAMILY == WINAPI_FAMILY_DESKTOP_APP)) +# define FMT_USE_TZSET 1 +# else +# define FMT_USE_TZSET 0 +# endif +#endif + +// Enable safe chrono durations, unless explicitly disabled. +#ifndef FMT_SAFE_DURATION_CAST +# define FMT_SAFE_DURATION_CAST 1 +#endif +#if FMT_SAFE_DURATION_CAST + +// For conversion between std::chrono::durations without undefined +// behaviour or erroneous results. +// This is a stripped down version of duration_cast, for inclusion in fmt. +// See https://github.com/pauldreik/safe_duration_cast +// +// Copyright Paul Dreik 2019 +namespace safe_duration_cast { + +template ::value && + std::numeric_limits::is_signed == + std::numeric_limits::is_signed)> +FMT_CONSTEXPR To lossless_integral_conversion(const From from, int& ec) { + ec = 0; + using F = std::numeric_limits; + using T = std::numeric_limits; + static_assert(F::is_integer, "From must be integral"); + static_assert(T::is_integer, "To must be integral"); + + // A and B are both signed, or both unsigned. + if (detail::const_check(F::digits <= T::digits)) { + // From fits in To without any problem. + } else { + // From does not always fit in To, resort to a dynamic check. + if (from < (T::min)() || from > (T::max)()) { + // outside range. + ec = 1; + return {}; + } + } + return static_cast(from); +} + +/** + * converts From to To, without loss. If the dynamic value of from + * can't be converted to To without loss, ec is set. + */ +template ::value && + std::numeric_limits::is_signed != + std::numeric_limits::is_signed)> +FMT_CONSTEXPR To lossless_integral_conversion(const From from, int& ec) { + ec = 0; + using F = std::numeric_limits; + using T = std::numeric_limits; + static_assert(F::is_integer, "From must be integral"); + static_assert(T::is_integer, "To must be integral"); + + if (detail::const_check(F::is_signed && !T::is_signed)) { + // From may be negative, not allowed! + if (fmt::detail::is_negative(from)) { + ec = 1; + return {}; + } + // From is positive. Can it always fit in To? + if (detail::const_check(F::digits > T::digits) && + from > static_cast(detail::max_value())) { + ec = 1; + return {}; + } + } + + if (detail::const_check(!F::is_signed && T::is_signed && + F::digits >= T::digits) && + from > static_cast(detail::max_value())) { + ec = 1; + return {}; + } + return static_cast(from); // Lossless conversion. +} + +template ::value)> +FMT_CONSTEXPR To lossless_integral_conversion(const From from, int& ec) { + ec = 0; + return from; +} // function + +// clang-format off +/** + * converts From to To if possible, otherwise ec is set. + * + * input | output + * ---------------------------------|--------------- + * NaN | NaN + * Inf | Inf + * normal, fits in output | converted (possibly lossy) + * normal, does not fit in output | ec is set + * subnormal | best effort + * -Inf | -Inf + */ +// clang-format on +template ::value)> +FMT_CONSTEXPR To safe_float_conversion(const From from, int& ec) { + ec = 0; + using T = std::numeric_limits; + static_assert(std::is_floating_point::value, "From must be floating"); + static_assert(std::is_floating_point::value, "To must be floating"); + + // catch the only happy case + if (std::isfinite(from)) { + if (from >= T::lowest() && from <= (T::max)()) { + return static_cast(from); + } + // not within range. + ec = 1; + return {}; + } + + // nan and inf will be preserved + return static_cast(from); +} // function + +template ::value)> +FMT_CONSTEXPR To safe_float_conversion(const From from, int& ec) { + ec = 0; + static_assert(std::is_floating_point::value, "From must be floating"); + return from; +} + +/** + * safe duration cast between integral durations + */ +template ::value), + FMT_ENABLE_IF(std::is_integral::value)> +To safe_duration_cast(std::chrono::duration from, + int& ec) { + using From = std::chrono::duration; + ec = 0; + // the basic idea is that we need to convert from count() in the from type + // to count() in the To type, by multiplying it with this: + struct Factor + : std::ratio_divide {}; + + static_assert(Factor::num > 0, "num must be positive"); + static_assert(Factor::den > 0, "den must be positive"); + + // the conversion is like this: multiply from.count() with Factor::num + // /Factor::den and convert it to To::rep, all this without + // overflow/underflow. let's start by finding a suitable type that can hold + // both To, From and Factor::num + using IntermediateRep = + typename std::common_type::type; + + // safe conversion to IntermediateRep + IntermediateRep count = + lossless_integral_conversion(from.count(), ec); + if (ec) return {}; + // multiply with Factor::num without overflow or underflow + if (detail::const_check(Factor::num != 1)) { + const auto max1 = detail::max_value() / Factor::num; + if (count > max1) { + ec = 1; + return {}; + } + const auto min1 = + (std::numeric_limits::min)() / Factor::num; + if (!std::is_unsigned::value && count < min1) { + ec = 1; + return {}; + } + count *= Factor::num; + } + + if (detail::const_check(Factor::den != 1)) count /= Factor::den; + auto tocount = lossless_integral_conversion(count, ec); + return ec ? To() : To(tocount); +} + +/** + * safe duration_cast between floating point durations + */ +template ::value), + FMT_ENABLE_IF(std::is_floating_point::value)> +To safe_duration_cast(std::chrono::duration from, + int& ec) { + using From = std::chrono::duration; + ec = 0; + if (std::isnan(from.count())) { + // nan in, gives nan out. easy. + return To{std::numeric_limits::quiet_NaN()}; + } + // maybe we should also check if from is denormal, and decide what to do about + // it. + + // +-inf should be preserved. + if (std::isinf(from.count())) { + return To{from.count()}; + } + + // the basic idea is that we need to convert from count() in the from type + // to count() in the To type, by multiplying it with this: + struct Factor + : std::ratio_divide {}; + + static_assert(Factor::num > 0, "num must be positive"); + static_assert(Factor::den > 0, "den must be positive"); + + // the conversion is like this: multiply from.count() with Factor::num + // /Factor::den and convert it to To::rep, all this without + // overflow/underflow. let's start by finding a suitable type that can hold + // both To, From and Factor::num + using IntermediateRep = + typename std::common_type::type; + + // force conversion of From::rep -> IntermediateRep to be safe, + // even if it will never happen be narrowing in this context. + IntermediateRep count = + safe_float_conversion(from.count(), ec); + if (ec) { + return {}; + } + + // multiply with Factor::num without overflow or underflow + if (detail::const_check(Factor::num != 1)) { + constexpr auto max1 = detail::max_value() / + static_cast(Factor::num); + if (count > max1) { + ec = 1; + return {}; + } + constexpr auto min1 = std::numeric_limits::lowest() / + static_cast(Factor::num); + if (count < min1) { + ec = 1; + return {}; + } + count *= static_cast(Factor::num); + } + + // this can't go wrong, right? den>0 is checked earlier. + if (detail::const_check(Factor::den != 1)) { + using common_t = typename std::common_type::type; + count /= static_cast(Factor::den); + } + + // convert to the to type, safely + using ToRep = typename To::rep; + + const ToRep tocount = safe_float_conversion(count, ec); + if (ec) { + return {}; + } + return To{tocount}; +} +} // namespace safe_duration_cast +#endif + +// Prevents expansion of a preceding token as a function-style macro. +// Usage: f FMT_NOMACRO() +#define FMT_NOMACRO + +namespace detail { +template struct null {}; +inline null<> localtime_r FMT_NOMACRO(...) { return null<>(); } +inline null<> localtime_s(...) { return null<>(); } +inline null<> gmtime_r(...) { return null<>(); } +inline null<> gmtime_s(...) { return null<>(); } + +inline const std::locale& get_classic_locale() { + static const auto& locale = std::locale::classic(); + return locale; +} + +template struct codecvt_result { + static constexpr const size_t max_size = 32; + CodeUnit buf[max_size]; + CodeUnit* end; +}; +template +constexpr const size_t codecvt_result::max_size; + +template +void write_codecvt(codecvt_result& out, string_view in_buf, + const std::locale& loc) { +#if FMT_CLANG_VERSION +# pragma clang diagnostic push +# pragma clang diagnostic ignored "-Wdeprecated" + auto& f = std::use_facet>(loc); +# pragma clang diagnostic pop +#else + auto& f = std::use_facet>(loc); +#endif + auto mb = std::mbstate_t(); + const char* from_next = nullptr; + auto result = f.in(mb, in_buf.begin(), in_buf.end(), from_next, + std::begin(out.buf), std::end(out.buf), out.end); + if (result != std::codecvt_base::ok) + FMT_THROW(format_error("failed to format time")); +} + +template +auto write_encoded_tm_str(OutputIt out, string_view in, const std::locale& loc) + -> OutputIt { + if (detail::is_utf8() && loc != get_classic_locale()) { + // char16_t and char32_t codecvts are broken in MSVC (linkage errors) and + // gcc-4. +#if FMT_MSC_VERSION != 0 || \ + (defined(__GLIBCXX__) && !defined(_GLIBCXX_USE_DUAL_ABI)) + // The _GLIBCXX_USE_DUAL_ABI macro is always defined in libstdc++ from gcc-5 + // and newer. + using code_unit = wchar_t; +#else + using code_unit = char32_t; +#endif + + using unit_t = codecvt_result; + unit_t unit; + write_codecvt(unit, in, loc); + // In UTF-8 is used one to four one-byte code units. + auto&& buf = basic_memory_buffer(); + for (code_unit* p = unit.buf; p != unit.end; ++p) { + uint32_t c = static_cast(*p); + if (sizeof(code_unit) == 2 && c >= 0xd800 && c <= 0xdfff) { + // surrogate pair + ++p; + if (p == unit.end || (c & 0xfc00) != 0xd800 || + (*p & 0xfc00) != 0xdc00) { + FMT_THROW(format_error("failed to format time")); + } + c = (c << 10) + static_cast(*p) - 0x35fdc00; + } + if (c < 0x80) { + buf.push_back(static_cast(c)); + } else if (c < 0x800) { + buf.push_back(static_cast(0xc0 | (c >> 6))); + buf.push_back(static_cast(0x80 | (c & 0x3f))); + } else if ((c >= 0x800 && c <= 0xd7ff) || (c >= 0xe000 && c <= 0xffff)) { + buf.push_back(static_cast(0xe0 | (c >> 12))); + buf.push_back(static_cast(0x80 | ((c & 0xfff) >> 6))); + buf.push_back(static_cast(0x80 | (c & 0x3f))); + } else if (c >= 0x10000 && c <= 0x10ffff) { + buf.push_back(static_cast(0xf0 | (c >> 18))); + buf.push_back(static_cast(0x80 | ((c & 0x3ffff) >> 12))); + buf.push_back(static_cast(0x80 | ((c & 0xfff) >> 6))); + buf.push_back(static_cast(0x80 | (c & 0x3f))); + } else { + FMT_THROW(format_error("failed to format time")); + } + } + return copy_str(buf.data(), buf.data() + buf.size(), out); + } + return copy_str(in.data(), in.data() + in.size(), out); +} + +template ::value)> +auto write_tm_str(OutputIt out, string_view sv, const std::locale& loc) + -> OutputIt { + codecvt_result unit; + write_codecvt(unit, sv, loc); + return copy_str(unit.buf, unit.end, out); +} + +template ::value)> +auto write_tm_str(OutputIt out, string_view sv, const std::locale& loc) + -> OutputIt { + return write_encoded_tm_str(out, sv, loc); +} + +template +inline void do_write(buffer& buf, const std::tm& time, + const std::locale& loc, char format, char modifier) { + auto&& format_buf = formatbuf>(buf); + auto&& os = std::basic_ostream(&format_buf); + os.imbue(loc); + using iterator = std::ostreambuf_iterator; + const auto& facet = std::use_facet>(loc); + auto end = facet.put(os, os, Char(' '), &time, format, modifier); + if (end.failed()) FMT_THROW(format_error("failed to format time")); +} + +template ::value)> +auto write(OutputIt out, const std::tm& time, const std::locale& loc, + char format, char modifier = 0) -> OutputIt { + auto&& buf = get_buffer(out); + do_write(buf, time, loc, format, modifier); + return buf.out(); +} + +template ::value)> +auto write(OutputIt out, const std::tm& time, const std::locale& loc, + char format, char modifier = 0) -> OutputIt { + auto&& buf = basic_memory_buffer(); + do_write(buf, time, loc, format, modifier); + return write_encoded_tm_str(out, string_view(buf.data(), buf.size()), loc); +} + +} // namespace detail + +FMT_MODULE_EXPORT_BEGIN + +/** + Converts given time since epoch as ``std::time_t`` value into calendar time, + expressed in local time. Unlike ``std::localtime``, this function is + thread-safe on most platforms. + */ +inline std::tm localtime(std::time_t time) { + struct dispatcher { + std::time_t time_; + std::tm tm_; + + dispatcher(std::time_t t) : time_(t) {} + + bool run() { + using namespace fmt::detail; + return handle(localtime_r(&time_, &tm_)); + } + + bool handle(std::tm* tm) { return tm != nullptr; } + + bool handle(detail::null<>) { + using namespace fmt::detail; + return fallback(localtime_s(&tm_, &time_)); + } + + bool fallback(int res) { return res == 0; } + +#if !FMT_MSC_VERSION + bool fallback(detail::null<>) { + using namespace fmt::detail; + std::tm* tm = std::localtime(&time_); + if (tm) tm_ = *tm; + return tm != nullptr; + } +#endif + }; + dispatcher lt(time); + // Too big time values may be unsupported. + if (!lt.run()) FMT_THROW(format_error("time_t value out of range")); + return lt.tm_; +} + +inline std::tm localtime( + std::chrono::time_point time_point) { + return localtime(std::chrono::system_clock::to_time_t(time_point)); +} + +/** + Converts given time since epoch as ``std::time_t`` value into calendar time, + expressed in Coordinated Universal Time (UTC). Unlike ``std::gmtime``, this + function is thread-safe on most platforms. + */ +inline std::tm gmtime(std::time_t time) { + struct dispatcher { + std::time_t time_; + std::tm tm_; + + dispatcher(std::time_t t) : time_(t) {} + + bool run() { + using namespace fmt::detail; + return handle(gmtime_r(&time_, &tm_)); + } + + bool handle(std::tm* tm) { return tm != nullptr; } + + bool handle(detail::null<>) { + using namespace fmt::detail; + return fallback(gmtime_s(&tm_, &time_)); + } + + bool fallback(int res) { return res == 0; } + +#if !FMT_MSC_VERSION + bool fallback(detail::null<>) { + std::tm* tm = std::gmtime(&time_); + if (tm) tm_ = *tm; + return tm != nullptr; + } +#endif + }; + dispatcher gt(time); + // Too big time values may be unsupported. + if (!gt.run()) FMT_THROW(format_error("time_t value out of range")); + return gt.tm_; +} + +inline std::tm gmtime( + std::chrono::time_point time_point) { + return gmtime(std::chrono::system_clock::to_time_t(time_point)); +} + +FMT_BEGIN_DETAIL_NAMESPACE + +// Writes two-digit numbers a, b and c separated by sep to buf. +// The method by Pavel Novikov based on +// https://johnnylee-sde.github.io/Fast-unsigned-integer-to-time-string/. +inline void write_digit2_separated(char* buf, unsigned a, unsigned b, + unsigned c, char sep) { + unsigned long long digits = + a | (b << 24) | (static_cast(c) << 48); + // Convert each value to BCD. + // We have x = a * 10 + b and we want to convert it to BCD y = a * 16 + b. + // The difference is + // y - x = a * 6 + // a can be found from x: + // a = floor(x / 10) + // then + // y = x + a * 6 = x + floor(x / 10) * 6 + // floor(x / 10) is (x * 205) >> 11 (needs 16 bits). + digits += (((digits * 205) >> 11) & 0x000f00000f00000f) * 6; + // Put low nibbles to high bytes and high nibbles to low bytes. + digits = ((digits & 0x00f00000f00000f0) >> 4) | + ((digits & 0x000f00000f00000f) << 8); + auto usep = static_cast(sep); + // Add ASCII '0' to each digit byte and insert separators. + digits |= 0x3030003030003030 | (usep << 16) | (usep << 40); + + constexpr const size_t len = 8; + if (const_check(is_big_endian())) { + char tmp[len]; + std::memcpy(tmp, &digits, len); + std::reverse_copy(tmp, tmp + len, buf); + } else { + std::memcpy(buf, &digits, len); + } +} + +template FMT_CONSTEXPR inline const char* get_units() { + if (std::is_same::value) return "as"; + if (std::is_same::value) return "fs"; + if (std::is_same::value) return "ps"; + if (std::is_same::value) return "ns"; + if (std::is_same::value) return "µs"; + if (std::is_same::value) return "ms"; + if (std::is_same::value) return "cs"; + if (std::is_same::value) return "ds"; + if (std::is_same>::value) return "s"; + if (std::is_same::value) return "das"; + if (std::is_same::value) return "hs"; + if (std::is_same::value) return "ks"; + if (std::is_same::value) return "Ms"; + if (std::is_same::value) return "Gs"; + if (std::is_same::value) return "Ts"; + if (std::is_same::value) return "Ps"; + if (std::is_same::value) return "Es"; + if (std::is_same>::value) return "m"; + if (std::is_same>::value) return "h"; + return nullptr; +} + +enum class numeric_system { + standard, + // Alternative numeric system, e.g. 十二 instead of 12 in ja_JP locale. + alternative +}; + +// Parses a put_time-like format string and invokes handler actions. +template +FMT_CONSTEXPR const Char* parse_chrono_format(const Char* begin, + const Char* end, + Handler&& handler) { + auto ptr = begin; + while (ptr != end) { + auto c = *ptr; + if (c == '}') break; + if (c != '%') { + ++ptr; + continue; + } + if (begin != ptr) handler.on_text(begin, ptr); + ++ptr; // consume '%' + if (ptr == end) FMT_THROW(format_error("invalid format")); + c = *ptr++; + switch (c) { + case '%': + handler.on_text(ptr - 1, ptr); + break; + case 'n': { + const Char newline[] = {'\n'}; + handler.on_text(newline, newline + 1); + break; + } + case 't': { + const Char tab[] = {'\t'}; + handler.on_text(tab, tab + 1); + break; + } + // Year: + case 'Y': + handler.on_year(numeric_system::standard); + break; + case 'y': + handler.on_short_year(numeric_system::standard); + break; + case 'C': + handler.on_century(numeric_system::standard); + break; + case 'G': + handler.on_iso_week_based_year(); + break; + case 'g': + handler.on_iso_week_based_short_year(); + break; + // Day of the week: + case 'a': + handler.on_abbr_weekday(); + break; + case 'A': + handler.on_full_weekday(); + break; + case 'w': + handler.on_dec0_weekday(numeric_system::standard); + break; + case 'u': + handler.on_dec1_weekday(numeric_system::standard); + break; + // Month: + case 'b': + case 'h': + handler.on_abbr_month(); + break; + case 'B': + handler.on_full_month(); + break; + case 'm': + handler.on_dec_month(numeric_system::standard); + break; + // Day of the year/month: + case 'U': + handler.on_dec0_week_of_year(numeric_system::standard); + break; + case 'W': + handler.on_dec1_week_of_year(numeric_system::standard); + break; + case 'V': + handler.on_iso_week_of_year(numeric_system::standard); + break; + case 'j': + handler.on_day_of_year(); + break; + case 'd': + handler.on_day_of_month(numeric_system::standard); + break; + case 'e': + handler.on_day_of_month_space(numeric_system::standard); + break; + // Hour, minute, second: + case 'H': + handler.on_24_hour(numeric_system::standard); + break; + case 'I': + handler.on_12_hour(numeric_system::standard); + break; + case 'M': + handler.on_minute(numeric_system::standard); + break; + case 'S': + handler.on_second(numeric_system::standard); + break; + // Other: + case 'c': + handler.on_datetime(numeric_system::standard); + break; + case 'x': + handler.on_loc_date(numeric_system::standard); + break; + case 'X': + handler.on_loc_time(numeric_system::standard); + break; + case 'D': + handler.on_us_date(); + break; + case 'F': + handler.on_iso_date(); + break; + case 'r': + handler.on_12_hour_time(); + break; + case 'R': + handler.on_24_hour_time(); + break; + case 'T': + handler.on_iso_time(); + break; + case 'p': + handler.on_am_pm(); + break; + case 'Q': + handler.on_duration_value(); + break; + case 'q': + handler.on_duration_unit(); + break; + case 'z': + handler.on_utc_offset(); + break; + case 'Z': + handler.on_tz_name(); + break; + // Alternative representation: + case 'E': { + if (ptr == end) FMT_THROW(format_error("invalid format")); + c = *ptr++; + switch (c) { + case 'Y': + handler.on_year(numeric_system::alternative); + break; + case 'y': + handler.on_offset_year(); + break; + case 'C': + handler.on_century(numeric_system::alternative); + break; + case 'c': + handler.on_datetime(numeric_system::alternative); + break; + case 'x': + handler.on_loc_date(numeric_system::alternative); + break; + case 'X': + handler.on_loc_time(numeric_system::alternative); + break; + default: + FMT_THROW(format_error("invalid format")); + } + break; + } + case 'O': + if (ptr == end) FMT_THROW(format_error("invalid format")); + c = *ptr++; + switch (c) { + case 'y': + handler.on_short_year(numeric_system::alternative); + break; + case 'm': + handler.on_dec_month(numeric_system::alternative); + break; + case 'U': + handler.on_dec0_week_of_year(numeric_system::alternative); + break; + case 'W': + handler.on_dec1_week_of_year(numeric_system::alternative); + break; + case 'V': + handler.on_iso_week_of_year(numeric_system::alternative); + break; + case 'd': + handler.on_day_of_month(numeric_system::alternative); + break; + case 'e': + handler.on_day_of_month_space(numeric_system::alternative); + break; + case 'w': + handler.on_dec0_weekday(numeric_system::alternative); + break; + case 'u': + handler.on_dec1_weekday(numeric_system::alternative); + break; + case 'H': + handler.on_24_hour(numeric_system::alternative); + break; + case 'I': + handler.on_12_hour(numeric_system::alternative); + break; + case 'M': + handler.on_minute(numeric_system::alternative); + break; + case 'S': + handler.on_second(numeric_system::alternative); + break; + default: + FMT_THROW(format_error("invalid format")); + } + break; + default: + FMT_THROW(format_error("invalid format")); + } + begin = ptr; + } + if (begin != ptr) handler.on_text(begin, ptr); + return ptr; +} + +template struct null_chrono_spec_handler { + FMT_CONSTEXPR void unsupported() { + static_cast(this)->unsupported(); + } + FMT_CONSTEXPR void on_year(numeric_system) { unsupported(); } + FMT_CONSTEXPR void on_short_year(numeric_system) { unsupported(); } + FMT_CONSTEXPR void on_offset_year() { unsupported(); } + FMT_CONSTEXPR void on_century(numeric_system) { unsupported(); } + FMT_CONSTEXPR void on_iso_week_based_year() { unsupported(); } + FMT_CONSTEXPR void on_iso_week_based_short_year() { unsupported(); } + FMT_CONSTEXPR void on_abbr_weekday() { unsupported(); } + FMT_CONSTEXPR void on_full_weekday() { unsupported(); } + FMT_CONSTEXPR void on_dec0_weekday(numeric_system) { unsupported(); } + FMT_CONSTEXPR void on_dec1_weekday(numeric_system) { unsupported(); } + FMT_CONSTEXPR void on_abbr_month() { unsupported(); } + FMT_CONSTEXPR void on_full_month() { unsupported(); } + FMT_CONSTEXPR void on_dec_month(numeric_system) { unsupported(); } + FMT_CONSTEXPR void on_dec0_week_of_year(numeric_system) { unsupported(); } + FMT_CONSTEXPR void on_dec1_week_of_year(numeric_system) { unsupported(); } + FMT_CONSTEXPR void on_iso_week_of_year(numeric_system) { unsupported(); } + FMT_CONSTEXPR void on_day_of_year() { unsupported(); } + FMT_CONSTEXPR void on_day_of_month(numeric_system) { unsupported(); } + FMT_CONSTEXPR void on_day_of_month_space(numeric_system) { unsupported(); } + FMT_CONSTEXPR void on_24_hour(numeric_system) { unsupported(); } + FMT_CONSTEXPR void on_12_hour(numeric_system) { unsupported(); } + FMT_CONSTEXPR void on_minute(numeric_system) { unsupported(); } + FMT_CONSTEXPR void on_second(numeric_system) { unsupported(); } + FMT_CONSTEXPR void on_datetime(numeric_system) { unsupported(); } + FMT_CONSTEXPR void on_loc_date(numeric_system) { unsupported(); } + FMT_CONSTEXPR void on_loc_time(numeric_system) { unsupported(); } + FMT_CONSTEXPR void on_us_date() { unsupported(); } + FMT_CONSTEXPR void on_iso_date() { unsupported(); } + FMT_CONSTEXPR void on_12_hour_time() { unsupported(); } + FMT_CONSTEXPR void on_24_hour_time() { unsupported(); } + FMT_CONSTEXPR void on_iso_time() { unsupported(); } + FMT_CONSTEXPR void on_am_pm() { unsupported(); } + FMT_CONSTEXPR void on_duration_value() { unsupported(); } + FMT_CONSTEXPR void on_duration_unit() { unsupported(); } + FMT_CONSTEXPR void on_utc_offset() { unsupported(); } + FMT_CONSTEXPR void on_tz_name() { unsupported(); } +}; + +struct tm_format_checker : null_chrono_spec_handler { + FMT_NORETURN void unsupported() { FMT_THROW(format_error("no format")); } + + template + FMT_CONSTEXPR void on_text(const Char*, const Char*) {} + FMT_CONSTEXPR void on_year(numeric_system) {} + FMT_CONSTEXPR void on_short_year(numeric_system) {} + FMT_CONSTEXPR void on_offset_year() {} + FMT_CONSTEXPR void on_century(numeric_system) {} + FMT_CONSTEXPR void on_iso_week_based_year() {} + FMT_CONSTEXPR void on_iso_week_based_short_year() {} + FMT_CONSTEXPR void on_abbr_weekday() {} + FMT_CONSTEXPR void on_full_weekday() {} + FMT_CONSTEXPR void on_dec0_weekday(numeric_system) {} + FMT_CONSTEXPR void on_dec1_weekday(numeric_system) {} + FMT_CONSTEXPR void on_abbr_month() {} + FMT_CONSTEXPR void on_full_month() {} + FMT_CONSTEXPR void on_dec_month(numeric_system) {} + FMT_CONSTEXPR void on_dec0_week_of_year(numeric_system) {} + FMT_CONSTEXPR void on_dec1_week_of_year(numeric_system) {} + FMT_CONSTEXPR void on_iso_week_of_year(numeric_system) {} + FMT_CONSTEXPR void on_day_of_year() {} + FMT_CONSTEXPR void on_day_of_month(numeric_system) {} + FMT_CONSTEXPR void on_day_of_month_space(numeric_system) {} + FMT_CONSTEXPR void on_24_hour(numeric_system) {} + FMT_CONSTEXPR void on_12_hour(numeric_system) {} + FMT_CONSTEXPR void on_minute(numeric_system) {} + FMT_CONSTEXPR void on_second(numeric_system) {} + FMT_CONSTEXPR void on_datetime(numeric_system) {} + FMT_CONSTEXPR void on_loc_date(numeric_system) {} + FMT_CONSTEXPR void on_loc_time(numeric_system) {} + FMT_CONSTEXPR void on_us_date() {} + FMT_CONSTEXPR void on_iso_date() {} + FMT_CONSTEXPR void on_12_hour_time() {} + FMT_CONSTEXPR void on_24_hour_time() {} + FMT_CONSTEXPR void on_iso_time() {} + FMT_CONSTEXPR void on_am_pm() {} + FMT_CONSTEXPR void on_utc_offset() {} + FMT_CONSTEXPR void on_tz_name() {} +}; + +inline const char* tm_wday_full_name(int wday) { + static constexpr const char* full_name_list[] = { + "Sunday", "Monday", "Tuesday", "Wednesday", + "Thursday", "Friday", "Saturday"}; + return wday >= 0 && wday <= 6 ? full_name_list[wday] : "?"; +} +inline const char* tm_wday_short_name(int wday) { + static constexpr const char* short_name_list[] = {"Sun", "Mon", "Tue", "Wed", + "Thu", "Fri", "Sat"}; + return wday >= 0 && wday <= 6 ? short_name_list[wday] : "???"; +} + +inline const char* tm_mon_full_name(int mon) { + static constexpr const char* full_name_list[] = { + "January", "February", "March", "April", "May", "June", + "July", "August", "September", "October", "November", "December"}; + return mon >= 0 && mon <= 11 ? full_name_list[mon] : "?"; +} +inline const char* tm_mon_short_name(int mon) { + static constexpr const char* short_name_list[] = { + "Jan", "Feb", "Mar", "Apr", "May", "Jun", + "Jul", "Aug", "Sep", "Oct", "Nov", "Dec", + }; + return mon >= 0 && mon <= 11 ? short_name_list[mon] : "???"; +} + +template +struct has_member_data_tm_gmtoff : std::false_type {}; +template +struct has_member_data_tm_gmtoff> + : std::true_type {}; + +template +struct has_member_data_tm_zone : std::false_type {}; +template +struct has_member_data_tm_zone> + : std::true_type {}; + +#if FMT_USE_TZSET +inline void tzset_once() { + static bool init = []() -> bool { + _tzset(); + return true; + }(); + ignore_unused(init); +} +#endif + +template class tm_writer { + private: + static constexpr int days_per_week = 7; + + const std::locale& loc_; + const bool is_classic_; + OutputIt out_; + const std::tm& tm_; + + auto tm_sec() const noexcept -> int { + FMT_ASSERT(tm_.tm_sec >= 0 && tm_.tm_sec <= 61, ""); + return tm_.tm_sec; + } + auto tm_min() const noexcept -> int { + FMT_ASSERT(tm_.tm_min >= 0 && tm_.tm_min <= 59, ""); + return tm_.tm_min; + } + auto tm_hour() const noexcept -> int { + FMT_ASSERT(tm_.tm_hour >= 0 && tm_.tm_hour <= 23, ""); + return tm_.tm_hour; + } + auto tm_mday() const noexcept -> int { + FMT_ASSERT(tm_.tm_mday >= 1 && tm_.tm_mday <= 31, ""); + return tm_.tm_mday; + } + auto tm_mon() const noexcept -> int { + FMT_ASSERT(tm_.tm_mon >= 0 && tm_.tm_mon <= 11, ""); + return tm_.tm_mon; + } + auto tm_year() const noexcept -> long long { return 1900ll + tm_.tm_year; } + auto tm_wday() const noexcept -> int { + FMT_ASSERT(tm_.tm_wday >= 0 && tm_.tm_wday <= 6, ""); + return tm_.tm_wday; + } + auto tm_yday() const noexcept -> int { + FMT_ASSERT(tm_.tm_yday >= 0 && tm_.tm_yday <= 365, ""); + return tm_.tm_yday; + } + + auto tm_hour12() const noexcept -> int { + const auto h = tm_hour(); + const auto z = h < 12 ? h : h - 12; + return z == 0 ? 12 : z; + } + + // POSIX and the C Standard are unclear or inconsistent about what %C and %y + // do if the year is negative or exceeds 9999. Use the convention that %C + // concatenated with %y yields the same output as %Y, and that %Y contains at + // least 4 characters, with more only if necessary. + auto split_year_lower(long long year) const noexcept -> int { + auto l = year % 100; + if (l < 0) l = -l; // l in [0, 99] + return static_cast(l); + } + + // Algorithm: + // https://en.wikipedia.org/wiki/ISO_week_date#Calculating_the_week_number_from_a_month_and_day_of_the_month_or_ordinal_date + auto iso_year_weeks(long long curr_year) const noexcept -> int { + const auto prev_year = curr_year - 1; + const auto curr_p = + (curr_year + curr_year / 4 - curr_year / 100 + curr_year / 400) % + days_per_week; + const auto prev_p = + (prev_year + prev_year / 4 - prev_year / 100 + prev_year / 400) % + days_per_week; + return 52 + ((curr_p == 4 || prev_p == 3) ? 1 : 0); + } + auto iso_week_num(int tm_yday, int tm_wday) const noexcept -> int { + return (tm_yday + 11 - (tm_wday == 0 ? days_per_week : tm_wday)) / + days_per_week; + } + auto tm_iso_week_year() const noexcept -> long long { + const auto year = tm_year(); + const auto w = iso_week_num(tm_yday(), tm_wday()); + if (w < 1) return year - 1; + if (w > iso_year_weeks(year)) return year + 1; + return year; + } + auto tm_iso_week_of_year() const noexcept -> int { + const auto year = tm_year(); + const auto w = iso_week_num(tm_yday(), tm_wday()); + if (w < 1) return iso_year_weeks(year - 1); + if (w > iso_year_weeks(year)) return 1; + return w; + } + + void write1(int value) { + *out_++ = static_cast('0' + to_unsigned(value) % 10); + } + void write2(int value) { + const char* d = digits2(to_unsigned(value) % 100); + *out_++ = *d++; + *out_++ = *d; + } + + void write_year_extended(long long year) { + // At least 4 characters. + int width = 4; + if (year < 0) { + *out_++ = '-'; + year = 0 - year; + --width; + } + uint32_or_64_or_128_t n = to_unsigned(year); + const int num_digits = count_digits(n); + if (width > num_digits) out_ = std::fill_n(out_, width - num_digits, '0'); + out_ = format_decimal(out_, n, num_digits).end; + } + void write_year(long long year) { + if (year >= 0 && year < 10000) { + write2(static_cast(year / 100)); + write2(static_cast(year % 100)); + } else { + write_year_extended(year); + } + } + + void write_utc_offset(long offset) { + if (offset < 0) { + *out_++ = '-'; + offset = -offset; + } else { + *out_++ = '+'; + } + offset /= 60; + write2(static_cast(offset / 60)); + write2(static_cast(offset % 60)); + } + template ::value)> + void format_utc_offset_impl(const T& tm) { + write_utc_offset(tm.tm_gmtoff); + } + template ::value)> + void format_utc_offset_impl(const T& tm) { +#if defined(_WIN32) && defined(_UCRT) +# if FMT_USE_TZSET + tzset_once(); +# endif + long offset = 0; + _get_timezone(&offset); + if (tm.tm_isdst) { + long dstbias = 0; + _get_dstbias(&dstbias); + offset += dstbias; + } + write_utc_offset(-offset); +#else + ignore_unused(tm); + format_localized('z'); +#endif + } + + template ::value)> + void format_tz_name_impl(const T& tm) { + if (is_classic_) + out_ = write_tm_str(out_, tm.tm_zone, loc_); + else + format_localized('Z'); + } + template ::value)> + void format_tz_name_impl(const T&) { + format_localized('Z'); + } + + void format_localized(char format, char modifier = 0) { + out_ = write(out_, tm_, loc_, format, modifier); + } + + public: + tm_writer(const std::locale& loc, OutputIt out, const std::tm& tm) + : loc_(loc), + is_classic_(loc_ == get_classic_locale()), + out_(out), + tm_(tm) {} + + OutputIt out() const { return out_; } + + FMT_CONSTEXPR void on_text(const Char* begin, const Char* end) { + out_ = copy_str(begin, end, out_); + } + + void on_abbr_weekday() { + if (is_classic_) + out_ = write(out_, tm_wday_short_name(tm_wday())); + else + format_localized('a'); + } + void on_full_weekday() { + if (is_classic_) + out_ = write(out_, tm_wday_full_name(tm_wday())); + else + format_localized('A'); + } + void on_dec0_weekday(numeric_system ns) { + if (is_classic_ || ns == numeric_system::standard) return write1(tm_wday()); + format_localized('w', 'O'); + } + void on_dec1_weekday(numeric_system ns) { + if (is_classic_ || ns == numeric_system::standard) { + auto wday = tm_wday(); + write1(wday == 0 ? days_per_week : wday); + } else { + format_localized('u', 'O'); + } + } + + void on_abbr_month() { + if (is_classic_) + out_ = write(out_, tm_mon_short_name(tm_mon())); + else + format_localized('b'); + } + void on_full_month() { + if (is_classic_) + out_ = write(out_, tm_mon_full_name(tm_mon())); + else + format_localized('B'); + } + + void on_datetime(numeric_system ns) { + if (is_classic_) { + on_abbr_weekday(); + *out_++ = ' '; + on_abbr_month(); + *out_++ = ' '; + on_day_of_month_space(numeric_system::standard); + *out_++ = ' '; + on_iso_time(); + *out_++ = ' '; + on_year(numeric_system::standard); + } else { + format_localized('c', ns == numeric_system::standard ? '\0' : 'E'); + } + } + void on_loc_date(numeric_system ns) { + if (is_classic_) + on_us_date(); + else + format_localized('x', ns == numeric_system::standard ? '\0' : 'E'); + } + void on_loc_time(numeric_system ns) { + if (is_classic_) + on_iso_time(); + else + format_localized('X', ns == numeric_system::standard ? '\0' : 'E'); + } + void on_us_date() { + char buf[8]; + write_digit2_separated(buf, to_unsigned(tm_mon() + 1), + to_unsigned(tm_mday()), + to_unsigned(split_year_lower(tm_year())), '/'); + out_ = copy_str(std::begin(buf), std::end(buf), out_); + } + void on_iso_date() { + auto year = tm_year(); + char buf[10]; + size_t offset = 0; + if (year >= 0 && year < 10000) { + copy2(buf, digits2(static_cast(year / 100))); + } else { + offset = 4; + write_year_extended(year); + year = 0; + } + write_digit2_separated(buf + 2, static_cast(year % 100), + to_unsigned(tm_mon() + 1), to_unsigned(tm_mday()), + '-'); + out_ = copy_str(std::begin(buf) + offset, std::end(buf), out_); + } + + void on_utc_offset() { format_utc_offset_impl(tm_); } + void on_tz_name() { format_tz_name_impl(tm_); } + + void on_year(numeric_system ns) { + if (is_classic_ || ns == numeric_system::standard) + return write_year(tm_year()); + format_localized('Y', 'E'); + } + void on_short_year(numeric_system ns) { + if (is_classic_ || ns == numeric_system::standard) + return write2(split_year_lower(tm_year())); + format_localized('y', 'O'); + } + void on_offset_year() { + if (is_classic_) return write2(split_year_lower(tm_year())); + format_localized('y', 'E'); + } + + void on_century(numeric_system ns) { + if (is_classic_ || ns == numeric_system::standard) { + auto year = tm_year(); + auto upper = year / 100; + if (year >= -99 && year < 0) { + // Zero upper on negative year. + *out_++ = '-'; + *out_++ = '0'; + } else if (upper >= 0 && upper < 100) { + write2(static_cast(upper)); + } else { + out_ = write(out_, upper); + } + } else { + format_localized('C', 'E'); + } + } + + void on_dec_month(numeric_system ns) { + if (is_classic_ || ns == numeric_system::standard) + return write2(tm_mon() + 1); + format_localized('m', 'O'); + } + + void on_dec0_week_of_year(numeric_system ns) { + if (is_classic_ || ns == numeric_system::standard) + return write2((tm_yday() + days_per_week - tm_wday()) / days_per_week); + format_localized('U', 'O'); + } + void on_dec1_week_of_year(numeric_system ns) { + if (is_classic_ || ns == numeric_system::standard) { + auto wday = tm_wday(); + write2((tm_yday() + days_per_week - + (wday == 0 ? (days_per_week - 1) : (wday - 1))) / + days_per_week); + } else { + format_localized('W', 'O'); + } + } + void on_iso_week_of_year(numeric_system ns) { + if (is_classic_ || ns == numeric_system::standard) + return write2(tm_iso_week_of_year()); + format_localized('V', 'O'); + } + + void on_iso_week_based_year() { write_year(tm_iso_week_year()); } + void on_iso_week_based_short_year() { + write2(split_year_lower(tm_iso_week_year())); + } + + void on_day_of_year() { + auto yday = tm_yday() + 1; + write1(yday / 100); + write2(yday % 100); + } + void on_day_of_month(numeric_system ns) { + if (is_classic_ || ns == numeric_system::standard) return write2(tm_mday()); + format_localized('d', 'O'); + } + void on_day_of_month_space(numeric_system ns) { + if (is_classic_ || ns == numeric_system::standard) { + auto mday = to_unsigned(tm_mday()) % 100; + const char* d2 = digits2(mday); + *out_++ = mday < 10 ? ' ' : d2[0]; + *out_++ = d2[1]; + } else { + format_localized('e', 'O'); + } + } + + void on_24_hour(numeric_system ns) { + if (is_classic_ || ns == numeric_system::standard) return write2(tm_hour()); + format_localized('H', 'O'); + } + void on_12_hour(numeric_system ns) { + if (is_classic_ || ns == numeric_system::standard) + return write2(tm_hour12()); + format_localized('I', 'O'); + } + void on_minute(numeric_system ns) { + if (is_classic_ || ns == numeric_system::standard) return write2(tm_min()); + format_localized('M', 'O'); + } + void on_second(numeric_system ns) { + if (is_classic_ || ns == numeric_system::standard) return write2(tm_sec()); + format_localized('S', 'O'); + } + + void on_12_hour_time() { + if (is_classic_) { + char buf[8]; + write_digit2_separated(buf, to_unsigned(tm_hour12()), + to_unsigned(tm_min()), to_unsigned(tm_sec()), ':'); + out_ = copy_str(std::begin(buf), std::end(buf), out_); + *out_++ = ' '; + on_am_pm(); + } else { + format_localized('r'); + } + } + void on_24_hour_time() { + write2(tm_hour()); + *out_++ = ':'; + write2(tm_min()); + } + void on_iso_time() { + char buf[8]; + write_digit2_separated(buf, to_unsigned(tm_hour()), to_unsigned(tm_min()), + to_unsigned(tm_sec()), ':'); + out_ = copy_str(std::begin(buf), std::end(buf), out_); + } + + void on_am_pm() { + if (is_classic_) { + *out_++ = tm_hour() < 12 ? 'A' : 'P'; + *out_++ = 'M'; + } else { + format_localized('p'); + } + } + + // These apply to chrono durations but not tm. + void on_duration_value() {} + void on_duration_unit() {} +}; + +struct chrono_format_checker : null_chrono_spec_handler { + FMT_NORETURN void unsupported() { FMT_THROW(format_error("no date")); } + + template + FMT_CONSTEXPR void on_text(const Char*, const Char*) {} + FMT_CONSTEXPR void on_24_hour(numeric_system) {} + FMT_CONSTEXPR void on_12_hour(numeric_system) {} + FMT_CONSTEXPR void on_minute(numeric_system) {} + FMT_CONSTEXPR void on_second(numeric_system) {} + FMT_CONSTEXPR void on_12_hour_time() {} + FMT_CONSTEXPR void on_24_hour_time() {} + FMT_CONSTEXPR void on_iso_time() {} + FMT_CONSTEXPR void on_am_pm() {} + FMT_CONSTEXPR void on_duration_value() {} + FMT_CONSTEXPR void on_duration_unit() {} +}; + +template ::value)> +inline bool isfinite(T) { + return true; +} + +// Converts value to Int and checks that it's in the range [0, upper). +template ::value)> +inline Int to_nonnegative_int(T value, Int upper) { + FMT_ASSERT(std::is_unsigned::value || + (value >= 0 && to_unsigned(value) <= to_unsigned(upper)), + "invalid value"); + (void)upper; + return static_cast(value); +} +template ::value)> +inline Int to_nonnegative_int(T value, Int upper) { + if (value < 0 || value > static_cast(upper)) + FMT_THROW(format_error("invalid value")); + return static_cast(value); +} + +template ::value)> +inline T mod(T x, int y) { + return x % static_cast(y); +} +template ::value)> +inline T mod(T x, int y) { + return std::fmod(x, static_cast(y)); +} + +// If T is an integral type, maps T to its unsigned counterpart, otherwise +// leaves it unchanged (unlike std::make_unsigned). +template ::value> +struct make_unsigned_or_unchanged { + using type = T; +}; + +template struct make_unsigned_or_unchanged { + using type = typename std::make_unsigned::type; +}; + +#if FMT_SAFE_DURATION_CAST +// throwing version of safe_duration_cast +template +To fmt_safe_duration_cast(std::chrono::duration from) { + int ec; + To to = safe_duration_cast::safe_duration_cast(from, ec); + if (ec) FMT_THROW(format_error("cannot format duration")); + return to; +} +#endif + +template ::value)> +inline std::chrono::duration get_milliseconds( + std::chrono::duration d) { + // this may overflow and/or the result may not fit in the + // target type. +#if FMT_SAFE_DURATION_CAST + using CommonSecondsType = + typename std::common_type::type; + const auto d_as_common = fmt_safe_duration_cast(d); + const auto d_as_whole_seconds = + fmt_safe_duration_cast(d_as_common); + // this conversion should be nonproblematic + const auto diff = d_as_common - d_as_whole_seconds; + const auto ms = + fmt_safe_duration_cast>(diff); + return ms; +#else + auto s = std::chrono::duration_cast(d); + return std::chrono::duration_cast(d - s); +#endif +} + +// Counts the number of fractional digits in the range [0, 18] according to the +// C++20 spec. If more than 18 fractional digits are required then returns 6 for +// microseconds precision. +template () / 10)> +struct count_fractional_digits { + static constexpr int value = + Num % Den == 0 ? N : count_fractional_digits::value; +}; + +// Base case that doesn't instantiate any more templates +// in order to avoid overflow. +template +struct count_fractional_digits { + static constexpr int value = (Num % Den == 0) ? N : 6; +}; + +constexpr long long pow10(std::uint32_t n) { + return n == 0 ? 1 : 10 * pow10(n - 1); +} + +template ::is_signed)> +constexpr std::chrono::duration abs( + std::chrono::duration d) { + // We need to compare the duration using the count() method directly + // due to a compiler bug in clang-11 regarding the spaceship operator, + // when -Wzero-as-null-pointer-constant is enabled. + // In clang-12 the bug has been fixed. See + // https://bugs.llvm.org/show_bug.cgi?id=46235 and the reproducible example: + // https://www.godbolt.org/z/Knbb5joYx. + return d.count() >= d.zero().count() ? d : -d; +} + +template ::is_signed)> +constexpr std::chrono::duration abs( + std::chrono::duration d) { + return d; +} + +template ::value)> +OutputIt format_duration_value(OutputIt out, Rep val, int) { + return write(out, val); +} + +template ::value)> +OutputIt format_duration_value(OutputIt out, Rep val, int precision) { + auto specs = basic_format_specs(); + specs.precision = precision; + specs.type = precision >= 0 ? presentation_type::fixed_lower + : presentation_type::general_lower; + return write(out, val, specs); +} + +template +OutputIt copy_unit(string_view unit, OutputIt out, Char) { + return std::copy(unit.begin(), unit.end(), out); +} + +template +OutputIt copy_unit(string_view unit, OutputIt out, wchar_t) { + // This works when wchar_t is UTF-32 because units only contain characters + // that have the same representation in UTF-16 and UTF-32. + utf8_to_utf16 u(unit); + return std::copy(u.c_str(), u.c_str() + u.size(), out); +} + +template +OutputIt format_duration_unit(OutputIt out) { + if (const char* unit = get_units()) + return copy_unit(string_view(unit), out, Char()); + *out++ = '['; + out = write(out, Period::num); + if (const_check(Period::den != 1)) { + *out++ = '/'; + out = write(out, Period::den); + } + *out++ = ']'; + *out++ = 's'; + return out; +} + +class get_locale { + private: + union { + std::locale locale_; + }; + bool has_locale_ = false; + + public: + get_locale(bool localized, locale_ref loc) : has_locale_(localized) { + if (localized) + ::new (&locale_) std::locale(loc.template get()); + } + ~get_locale() { + if (has_locale_) locale_.~locale(); + } + operator const std::locale&() const { + return has_locale_ ? locale_ : get_classic_locale(); + } +}; + +template +struct chrono_formatter { + FormatContext& context; + OutputIt out; + int precision; + bool localized = false; + // rep is unsigned to avoid overflow. + using rep = + conditional_t::value && sizeof(Rep) < sizeof(int), + unsigned, typename make_unsigned_or_unchanged::type>; + rep val; + using seconds = std::chrono::duration; + seconds s; + using milliseconds = std::chrono::duration; + bool negative; + + using char_type = typename FormatContext::char_type; + using tm_writer_type = tm_writer; + + chrono_formatter(FormatContext& ctx, OutputIt o, + std::chrono::duration d) + : context(ctx), + out(o), + val(static_cast(d.count())), + negative(false) { + if (d.count() < 0) { + val = 0 - val; + negative = true; + } + + // this may overflow and/or the result may not fit in the + // target type. +#if FMT_SAFE_DURATION_CAST + // might need checked conversion (rep!=Rep) + auto tmpval = std::chrono::duration(val); + s = fmt_safe_duration_cast(tmpval); +#else + s = std::chrono::duration_cast( + std::chrono::duration(val)); +#endif + } + + // returns true if nan or inf, writes to out. + bool handle_nan_inf() { + if (isfinite(val)) { + return false; + } + if (isnan(val)) { + write_nan(); + return true; + } + // must be +-inf + if (val > 0) { + write_pinf(); + } else { + write_ninf(); + } + return true; + } + + Rep hour() const { return static_cast(mod((s.count() / 3600), 24)); } + + Rep hour12() const { + Rep hour = static_cast(mod((s.count() / 3600), 12)); + return hour <= 0 ? 12 : hour; + } + + Rep minute() const { return static_cast(mod((s.count() / 60), 60)); } + Rep second() const { return static_cast(mod(s.count(), 60)); } + + std::tm time() const { + auto time = std::tm(); + time.tm_hour = to_nonnegative_int(hour(), 24); + time.tm_min = to_nonnegative_int(minute(), 60); + time.tm_sec = to_nonnegative_int(second(), 60); + return time; + } + + void write_sign() { + if (negative) { + *out++ = '-'; + negative = false; + } + } + + void write(Rep value, int width) { + write_sign(); + if (isnan(value)) return write_nan(); + uint32_or_64_or_128_t n = + to_unsigned(to_nonnegative_int(value, max_value())); + int num_digits = detail::count_digits(n); + if (width > num_digits) out = std::fill_n(out, width - num_digits, '0'); + out = format_decimal(out, n, num_digits).end; + } + + template void write_fractional_seconds(Duration d) { + FMT_ASSERT(!std::is_floating_point::value, ""); + constexpr auto num_fractional_digits = + count_fractional_digits::value; + + using subsecond_precision = std::chrono::duration< + typename std::common_type::type, + std::ratio<1, detail::pow10(num_fractional_digits)>>; + if (std::ratio_less::value) { + *out++ = '.'; + auto fractional = + detail::abs(d) - std::chrono::duration_cast(d); + auto subseconds = + std::chrono::treat_as_floating_point< + typename subsecond_precision::rep>::value + ? fractional.count() + : std::chrono::duration_cast(fractional) + .count(); + uint32_or_64_or_128_t n = + to_unsigned(to_nonnegative_int(subseconds, max_value())); + int num_digits = detail::count_digits(n); + if (num_fractional_digits > num_digits) + out = std::fill_n(out, num_fractional_digits - num_digits, '0'); + out = format_decimal(out, n, num_digits).end; + } + } + + void write_nan() { std::copy_n("nan", 3, out); } + void write_pinf() { std::copy_n("inf", 3, out); } + void write_ninf() { std::copy_n("-inf", 4, out); } + + template + void format_tm(const tm& time, Callback cb, Args... args) { + if (isnan(val)) return write_nan(); + get_locale loc(localized, context.locale()); + auto w = tm_writer_type(loc, out, time); + (w.*cb)(args...); + out = w.out(); + } + + void on_text(const char_type* begin, const char_type* end) { + std::copy(begin, end, out); + } + + // These are not implemented because durations don't have date information. + void on_abbr_weekday() {} + void on_full_weekday() {} + void on_dec0_weekday(numeric_system) {} + void on_dec1_weekday(numeric_system) {} + void on_abbr_month() {} + void on_full_month() {} + void on_datetime(numeric_system) {} + void on_loc_date(numeric_system) {} + void on_loc_time(numeric_system) {} + void on_us_date() {} + void on_iso_date() {} + void on_utc_offset() {} + void on_tz_name() {} + void on_year(numeric_system) {} + void on_short_year(numeric_system) {} + void on_offset_year() {} + void on_century(numeric_system) {} + void on_iso_week_based_year() {} + void on_iso_week_based_short_year() {} + void on_dec_month(numeric_system) {} + void on_dec0_week_of_year(numeric_system) {} + void on_dec1_week_of_year(numeric_system) {} + void on_iso_week_of_year(numeric_system) {} + void on_day_of_year() {} + void on_day_of_month(numeric_system) {} + void on_day_of_month_space(numeric_system) {} + + void on_24_hour(numeric_system ns) { + if (handle_nan_inf()) return; + + if (ns == numeric_system::standard) return write(hour(), 2); + auto time = tm(); + time.tm_hour = to_nonnegative_int(hour(), 24); + format_tm(time, &tm_writer_type::on_24_hour, ns); + } + + void on_12_hour(numeric_system ns) { + if (handle_nan_inf()) return; + + if (ns == numeric_system::standard) return write(hour12(), 2); + auto time = tm(); + time.tm_hour = to_nonnegative_int(hour12(), 12); + format_tm(time, &tm_writer_type::on_12_hour, ns); + } + + void on_minute(numeric_system ns) { + if (handle_nan_inf()) return; + + if (ns == numeric_system::standard) return write(minute(), 2); + auto time = tm(); + time.tm_min = to_nonnegative_int(minute(), 60); + format_tm(time, &tm_writer_type::on_minute, ns); + } + + void on_second(numeric_system ns) { + if (handle_nan_inf()) return; + + if (ns == numeric_system::standard) { + if (std::is_floating_point::value) { + constexpr auto num_fractional_digits = + count_fractional_digits::value; + auto buf = memory_buffer(); + format_to(std::back_inserter(buf), runtime("{:.{}f}"), + std::fmod(val * static_cast(Period::num) / + static_cast(Period::den), + static_cast(60)), + num_fractional_digits); + if (negative) *out++ = '-'; + if (buf.size() < 2 || buf[1] == '.') *out++ = '0'; + out = std::copy(buf.begin(), buf.end(), out); + } else { + write(second(), 2); + write_fractional_seconds(std::chrono::duration(val)); + } + return; + } + auto time = tm(); + time.tm_sec = to_nonnegative_int(second(), 60); + format_tm(time, &tm_writer_type::on_second, ns); + } + + void on_12_hour_time() { + if (handle_nan_inf()) return; + format_tm(time(), &tm_writer_type::on_12_hour_time); + } + + void on_24_hour_time() { + if (handle_nan_inf()) { + *out++ = ':'; + handle_nan_inf(); + return; + } + + write(hour(), 2); + *out++ = ':'; + write(minute(), 2); + } + + void on_iso_time() { + on_24_hour_time(); + *out++ = ':'; + if (handle_nan_inf()) return; + on_second(numeric_system::standard); + } + + void on_am_pm() { + if (handle_nan_inf()) return; + format_tm(time(), &tm_writer_type::on_am_pm); + } + + void on_duration_value() { + if (handle_nan_inf()) return; + write_sign(); + out = format_duration_value(out, val, precision); + } + + void on_duration_unit() { + out = format_duration_unit(out); + } +}; + +FMT_END_DETAIL_NAMESPACE + +#if defined(__cpp_lib_chrono) && __cpp_lib_chrono >= 201907 +using weekday = std::chrono::weekday; +#else +// A fallback version of weekday. +class weekday { + private: + unsigned char value; + + public: + weekday() = default; + explicit constexpr weekday(unsigned wd) noexcept + : value(static_cast(wd != 7 ? wd : 0)) {} + constexpr unsigned c_encoding() const noexcept { return value; } +}; + +class year_month_day {}; +#endif + +// A rudimentary weekday formatter. +template struct formatter { + private: + bool localized = false; + + public: + FMT_CONSTEXPR auto parse(basic_format_parse_context& ctx) + -> decltype(ctx.begin()) { + auto begin = ctx.begin(), end = ctx.end(); + if (begin != end && *begin == 'L') { + ++begin; + localized = true; + } + return begin; + } + + template + auto format(weekday wd, FormatContext& ctx) const -> decltype(ctx.out()) { + auto time = std::tm(); + time.tm_wday = static_cast(wd.c_encoding()); + detail::get_locale loc(localized, ctx.locale()); + auto w = detail::tm_writer(loc, ctx.out(), time); + w.on_abbr_weekday(); + return w.out(); + } +}; + +template +struct formatter, Char> { + private: + basic_format_specs specs; + int precision = -1; + using arg_ref_type = detail::arg_ref; + arg_ref_type width_ref; + arg_ref_type precision_ref; + bool localized = false; + basic_string_view format_str; + using duration = std::chrono::duration; + + struct spec_handler { + formatter& f; + basic_format_parse_context& context; + basic_string_view format_str; + + template FMT_CONSTEXPR arg_ref_type make_arg_ref(Id arg_id) { + context.check_arg_id(arg_id); + return arg_ref_type(arg_id); + } + + FMT_CONSTEXPR arg_ref_type make_arg_ref(basic_string_view arg_id) { + context.check_arg_id(arg_id); + return arg_ref_type(arg_id); + } + + FMT_CONSTEXPR arg_ref_type make_arg_ref(detail::auto_id) { + return arg_ref_type(context.next_arg_id()); + } + + void on_error(const char* msg) { FMT_THROW(format_error(msg)); } + FMT_CONSTEXPR void on_fill(basic_string_view fill) { + f.specs.fill = fill; + } + FMT_CONSTEXPR void on_align(align_t align) { f.specs.align = align; } + FMT_CONSTEXPR void on_width(int width) { f.specs.width = width; } + FMT_CONSTEXPR void on_precision(int _precision) { + f.precision = _precision; + } + FMT_CONSTEXPR void end_precision() {} + + template FMT_CONSTEXPR void on_dynamic_width(Id arg_id) { + f.width_ref = make_arg_ref(arg_id); + } + + template FMT_CONSTEXPR void on_dynamic_precision(Id arg_id) { + f.precision_ref = make_arg_ref(arg_id); + } + }; + + using iterator = typename basic_format_parse_context::iterator; + struct parse_range { + iterator begin; + iterator end; + }; + + FMT_CONSTEXPR parse_range do_parse(basic_format_parse_context& ctx) { + auto begin = ctx.begin(), end = ctx.end(); + if (begin == end || *begin == '}') return {begin, begin}; + spec_handler handler{*this, ctx, format_str}; + begin = detail::parse_align(begin, end, handler); + if (begin == end) return {begin, begin}; + begin = detail::parse_width(begin, end, handler); + if (begin == end) return {begin, begin}; + if (*begin == '.') { + if (std::is_floating_point::value) + begin = detail::parse_precision(begin, end, handler); + else + handler.on_error("precision not allowed for this argument type"); + } + if (begin != end && *begin == 'L') { + ++begin; + localized = true; + } + end = detail::parse_chrono_format(begin, end, + detail::chrono_format_checker()); + return {begin, end}; + } + + public: + FMT_CONSTEXPR auto parse(basic_format_parse_context& ctx) + -> decltype(ctx.begin()) { + auto range = do_parse(ctx); + format_str = basic_string_view( + &*range.begin, detail::to_unsigned(range.end - range.begin)); + return range.end; + } + + template + auto format(const duration& d, FormatContext& ctx) const + -> decltype(ctx.out()) { + auto specs_copy = specs; + auto precision_copy = precision; + auto begin = format_str.begin(), end = format_str.end(); + // As a possible future optimization, we could avoid extra copying if width + // is not specified. + basic_memory_buffer buf; + auto out = std::back_inserter(buf); + detail::handle_dynamic_spec(specs_copy.width, + width_ref, ctx); + detail::handle_dynamic_spec(precision_copy, + precision_ref, ctx); + if (begin == end || *begin == '}') { + out = detail::format_duration_value(out, d.count(), precision_copy); + detail::format_duration_unit(out); + } else { + detail::chrono_formatter f( + ctx, out, d); + f.precision = precision_copy; + f.localized = localized; + detail::parse_chrono_format(begin, end, f); + } + return detail::write( + ctx.out(), basic_string_view(buf.data(), buf.size()), specs_copy); + } +}; + +template +struct formatter, + Char> : formatter { + FMT_CONSTEXPR formatter() { + basic_string_view default_specs = + detail::string_literal{}; + this->do_parse(default_specs.begin(), default_specs.end()); + } + + template + auto format(std::chrono::time_point val, + FormatContext& ctx) const -> decltype(ctx.out()) { + return formatter::format(localtime(val), ctx); + } +}; + +template struct formatter { + private: + enum class spec { + unknown, + year_month_day, + hh_mm_ss, + }; + spec spec_ = spec::unknown; + basic_string_view specs; + + protected: + template FMT_CONSTEXPR auto do_parse(It begin, It end) -> It { + if (begin != end && *begin == ':') ++begin; + end = detail::parse_chrono_format(begin, end, detail::tm_format_checker()); + // Replace default spec only if the new spec is not empty. + if (end != begin) specs = {begin, detail::to_unsigned(end - begin)}; + return end; + } + + public: + FMT_CONSTEXPR auto parse(basic_format_parse_context& ctx) + -> decltype(ctx.begin()) { + auto end = this->do_parse(ctx.begin(), ctx.end()); + // basic_string_view<>::compare isn't constexpr before C++17. + if (specs.size() == 2 && specs[0] == Char('%')) { + if (specs[1] == Char('F')) + spec_ = spec::year_month_day; + else if (specs[1] == Char('T')) + spec_ = spec::hh_mm_ss; + } + return end; + } + + template + auto format(const std::tm& tm, FormatContext& ctx) const + -> decltype(ctx.out()) { + const auto loc_ref = ctx.locale(); + detail::get_locale loc(static_cast(loc_ref), loc_ref); + auto w = detail::tm_writer(loc, ctx.out(), tm); + if (spec_ == spec::year_month_day) + w.on_iso_date(); + else if (spec_ == spec::hh_mm_ss) + w.on_iso_time(); + else + detail::parse_chrono_format(specs.begin(), specs.end(), w); + return w.out(); + } +}; + +FMT_MODULE_EXPORT_END +FMT_END_NAMESPACE + +#endif // FMT_CHRONO_H_ diff --git a/src/spdlog/fmt/bundled/color.h b/src/spdlog/fmt/bundled/color.h new file mode 100644 index 00000000..4c163277 --- /dev/null +++ b/src/spdlog/fmt/bundled/color.h @@ -0,0 +1,651 @@ +// Formatting library for C++ - color support +// +// Copyright (c) 2018 - present, Victor Zverovich and fmt contributors +// All rights reserved. +// +// For the license information refer to format.h. + +#ifndef FMT_COLOR_H_ +#define FMT_COLOR_H_ + +#include "format.h" + +FMT_BEGIN_NAMESPACE +FMT_MODULE_EXPORT_BEGIN + +enum class color : uint32_t { + alice_blue = 0xF0F8FF, // rgb(240,248,255) + antique_white = 0xFAEBD7, // rgb(250,235,215) + aqua = 0x00FFFF, // rgb(0,255,255) + aquamarine = 0x7FFFD4, // rgb(127,255,212) + azure = 0xF0FFFF, // rgb(240,255,255) + beige = 0xF5F5DC, // rgb(245,245,220) + bisque = 0xFFE4C4, // rgb(255,228,196) + black = 0x000000, // rgb(0,0,0) + blanched_almond = 0xFFEBCD, // rgb(255,235,205) + blue = 0x0000FF, // rgb(0,0,255) + blue_violet = 0x8A2BE2, // rgb(138,43,226) + brown = 0xA52A2A, // rgb(165,42,42) + burly_wood = 0xDEB887, // rgb(222,184,135) + cadet_blue = 0x5F9EA0, // rgb(95,158,160) + chartreuse = 0x7FFF00, // rgb(127,255,0) + chocolate = 0xD2691E, // rgb(210,105,30) + coral = 0xFF7F50, // rgb(255,127,80) + cornflower_blue = 0x6495ED, // rgb(100,149,237) + cornsilk = 0xFFF8DC, // rgb(255,248,220) + crimson = 0xDC143C, // rgb(220,20,60) + cyan = 0x00FFFF, // rgb(0,255,255) + dark_blue = 0x00008B, // rgb(0,0,139) + dark_cyan = 0x008B8B, // rgb(0,139,139) + dark_golden_rod = 0xB8860B, // rgb(184,134,11) + dark_gray = 0xA9A9A9, // rgb(169,169,169) + dark_green = 0x006400, // rgb(0,100,0) + dark_khaki = 0xBDB76B, // rgb(189,183,107) + dark_magenta = 0x8B008B, // rgb(139,0,139) + dark_olive_green = 0x556B2F, // rgb(85,107,47) + dark_orange = 0xFF8C00, // rgb(255,140,0) + dark_orchid = 0x9932CC, // rgb(153,50,204) + dark_red = 0x8B0000, // rgb(139,0,0) + dark_salmon = 0xE9967A, // rgb(233,150,122) + dark_sea_green = 0x8FBC8F, // rgb(143,188,143) + dark_slate_blue = 0x483D8B, // rgb(72,61,139) + dark_slate_gray = 0x2F4F4F, // rgb(47,79,79) + dark_turquoise = 0x00CED1, // rgb(0,206,209) + dark_violet = 0x9400D3, // rgb(148,0,211) + deep_pink = 0xFF1493, // rgb(255,20,147) + deep_sky_blue = 0x00BFFF, // rgb(0,191,255) + dim_gray = 0x696969, // rgb(105,105,105) + dodger_blue = 0x1E90FF, // rgb(30,144,255) + fire_brick = 0xB22222, // rgb(178,34,34) + floral_white = 0xFFFAF0, // rgb(255,250,240) + forest_green = 0x228B22, // rgb(34,139,34) + fuchsia = 0xFF00FF, // rgb(255,0,255) + gainsboro = 0xDCDCDC, // rgb(220,220,220) + ghost_white = 0xF8F8FF, // rgb(248,248,255) + gold = 0xFFD700, // rgb(255,215,0) + golden_rod = 0xDAA520, // rgb(218,165,32) + gray = 0x808080, // rgb(128,128,128) + green = 0x008000, // rgb(0,128,0) + green_yellow = 0xADFF2F, // rgb(173,255,47) + honey_dew = 0xF0FFF0, // rgb(240,255,240) + hot_pink = 0xFF69B4, // rgb(255,105,180) + indian_red = 0xCD5C5C, // rgb(205,92,92) + indigo = 0x4B0082, // rgb(75,0,130) + ivory = 0xFFFFF0, // rgb(255,255,240) + khaki = 0xF0E68C, // rgb(240,230,140) + lavender = 0xE6E6FA, // rgb(230,230,250) + lavender_blush = 0xFFF0F5, // rgb(255,240,245) + lawn_green = 0x7CFC00, // rgb(124,252,0) + lemon_chiffon = 0xFFFACD, // rgb(255,250,205) + light_blue = 0xADD8E6, // rgb(173,216,230) + light_coral = 0xF08080, // rgb(240,128,128) + light_cyan = 0xE0FFFF, // rgb(224,255,255) + light_golden_rod_yellow = 0xFAFAD2, // rgb(250,250,210) + light_gray = 0xD3D3D3, // rgb(211,211,211) + light_green = 0x90EE90, // rgb(144,238,144) + light_pink = 0xFFB6C1, // rgb(255,182,193) + light_salmon = 0xFFA07A, // rgb(255,160,122) + light_sea_green = 0x20B2AA, // rgb(32,178,170) + light_sky_blue = 0x87CEFA, // rgb(135,206,250) + light_slate_gray = 0x778899, // rgb(119,136,153) + light_steel_blue = 0xB0C4DE, // rgb(176,196,222) + light_yellow = 0xFFFFE0, // rgb(255,255,224) + lime = 0x00FF00, // rgb(0,255,0) + lime_green = 0x32CD32, // rgb(50,205,50) + linen = 0xFAF0E6, // rgb(250,240,230) + magenta = 0xFF00FF, // rgb(255,0,255) + maroon = 0x800000, // rgb(128,0,0) + medium_aquamarine = 0x66CDAA, // rgb(102,205,170) + medium_blue = 0x0000CD, // rgb(0,0,205) + medium_orchid = 0xBA55D3, // rgb(186,85,211) + medium_purple = 0x9370DB, // rgb(147,112,219) + medium_sea_green = 0x3CB371, // rgb(60,179,113) + medium_slate_blue = 0x7B68EE, // rgb(123,104,238) + medium_spring_green = 0x00FA9A, // rgb(0,250,154) + medium_turquoise = 0x48D1CC, // rgb(72,209,204) + medium_violet_red = 0xC71585, // rgb(199,21,133) + midnight_blue = 0x191970, // rgb(25,25,112) + mint_cream = 0xF5FFFA, // rgb(245,255,250) + misty_rose = 0xFFE4E1, // rgb(255,228,225) + moccasin = 0xFFE4B5, // rgb(255,228,181) + navajo_white = 0xFFDEAD, // rgb(255,222,173) + navy = 0x000080, // rgb(0,0,128) + old_lace = 0xFDF5E6, // rgb(253,245,230) + olive = 0x808000, // rgb(128,128,0) + olive_drab = 0x6B8E23, // rgb(107,142,35) + orange = 0xFFA500, // rgb(255,165,0) + orange_red = 0xFF4500, // rgb(255,69,0) + orchid = 0xDA70D6, // rgb(218,112,214) + pale_golden_rod = 0xEEE8AA, // rgb(238,232,170) + pale_green = 0x98FB98, // rgb(152,251,152) + pale_turquoise = 0xAFEEEE, // rgb(175,238,238) + pale_violet_red = 0xDB7093, // rgb(219,112,147) + papaya_whip = 0xFFEFD5, // rgb(255,239,213) + peach_puff = 0xFFDAB9, // rgb(255,218,185) + peru = 0xCD853F, // rgb(205,133,63) + pink = 0xFFC0CB, // rgb(255,192,203) + plum = 0xDDA0DD, // rgb(221,160,221) + powder_blue = 0xB0E0E6, // rgb(176,224,230) + purple = 0x800080, // rgb(128,0,128) + rebecca_purple = 0x663399, // rgb(102,51,153) + red = 0xFF0000, // rgb(255,0,0) + rosy_brown = 0xBC8F8F, // rgb(188,143,143) + royal_blue = 0x4169E1, // rgb(65,105,225) + saddle_brown = 0x8B4513, // rgb(139,69,19) + salmon = 0xFA8072, // rgb(250,128,114) + sandy_brown = 0xF4A460, // rgb(244,164,96) + sea_green = 0x2E8B57, // rgb(46,139,87) + sea_shell = 0xFFF5EE, // rgb(255,245,238) + sienna = 0xA0522D, // rgb(160,82,45) + silver = 0xC0C0C0, // rgb(192,192,192) + sky_blue = 0x87CEEB, // rgb(135,206,235) + slate_blue = 0x6A5ACD, // rgb(106,90,205) + slate_gray = 0x708090, // rgb(112,128,144) + snow = 0xFFFAFA, // rgb(255,250,250) + spring_green = 0x00FF7F, // rgb(0,255,127) + steel_blue = 0x4682B4, // rgb(70,130,180) + tan = 0xD2B48C, // rgb(210,180,140) + teal = 0x008080, // rgb(0,128,128) + thistle = 0xD8BFD8, // rgb(216,191,216) + tomato = 0xFF6347, // rgb(255,99,71) + turquoise = 0x40E0D0, // rgb(64,224,208) + violet = 0xEE82EE, // rgb(238,130,238) + wheat = 0xF5DEB3, // rgb(245,222,179) + white = 0xFFFFFF, // rgb(255,255,255) + white_smoke = 0xF5F5F5, // rgb(245,245,245) + yellow = 0xFFFF00, // rgb(255,255,0) + yellow_green = 0x9ACD32 // rgb(154,205,50) +}; // enum class color + +enum class terminal_color : uint8_t { + black = 30, + red, + green, + yellow, + blue, + magenta, + cyan, + white, + bright_black = 90, + bright_red, + bright_green, + bright_yellow, + bright_blue, + bright_magenta, + bright_cyan, + bright_white +}; + +enum class emphasis : uint8_t { + bold = 1, + faint = 1 << 1, + italic = 1 << 2, + underline = 1 << 3, + blink = 1 << 4, + reverse = 1 << 5, + conceal = 1 << 6, + strikethrough = 1 << 7, +}; + +// rgb is a struct for red, green and blue colors. +// Using the name "rgb" makes some editors show the color in a tooltip. +struct rgb { + FMT_CONSTEXPR rgb() : r(0), g(0), b(0) {} + FMT_CONSTEXPR rgb(uint8_t r_, uint8_t g_, uint8_t b_) : r(r_), g(g_), b(b_) {} + FMT_CONSTEXPR rgb(uint32_t hex) + : r((hex >> 16) & 0xFF), g((hex >> 8) & 0xFF), b(hex & 0xFF) {} + FMT_CONSTEXPR rgb(color hex) + : r((uint32_t(hex) >> 16) & 0xFF), + g((uint32_t(hex) >> 8) & 0xFF), + b(uint32_t(hex) & 0xFF) {} + uint8_t r; + uint8_t g; + uint8_t b; +}; + +FMT_BEGIN_DETAIL_NAMESPACE + +// color is a struct of either a rgb color or a terminal color. +struct color_type { + FMT_CONSTEXPR color_type() noexcept : is_rgb(), value{} {} + FMT_CONSTEXPR color_type(color rgb_color) noexcept : is_rgb(true), value{} { + value.rgb_color = static_cast(rgb_color); + } + FMT_CONSTEXPR color_type(rgb rgb_color) noexcept : is_rgb(true), value{} { + value.rgb_color = (static_cast(rgb_color.r) << 16) | + (static_cast(rgb_color.g) << 8) | rgb_color.b; + } + FMT_CONSTEXPR color_type(terminal_color term_color) noexcept + : is_rgb(), value{} { + value.term_color = static_cast(term_color); + } + bool is_rgb; + union color_union { + uint8_t term_color; + uint32_t rgb_color; + } value; +}; + +FMT_END_DETAIL_NAMESPACE + +/** A text style consisting of foreground and background colors and emphasis. */ +class text_style { + public: + FMT_CONSTEXPR text_style(emphasis em = emphasis()) noexcept + : set_foreground_color(), set_background_color(), ems(em) {} + + FMT_CONSTEXPR text_style& operator|=(const text_style& rhs) { + if (!set_foreground_color) { + set_foreground_color = rhs.set_foreground_color; + foreground_color = rhs.foreground_color; + } else if (rhs.set_foreground_color) { + if (!foreground_color.is_rgb || !rhs.foreground_color.is_rgb) + FMT_THROW(format_error("can't OR a terminal color")); + foreground_color.value.rgb_color |= rhs.foreground_color.value.rgb_color; + } + + if (!set_background_color) { + set_background_color = rhs.set_background_color; + background_color = rhs.background_color; + } else if (rhs.set_background_color) { + if (!background_color.is_rgb || !rhs.background_color.is_rgb) + FMT_THROW(format_error("can't OR a terminal color")); + background_color.value.rgb_color |= rhs.background_color.value.rgb_color; + } + + ems = static_cast(static_cast(ems) | + static_cast(rhs.ems)); + return *this; + } + + friend FMT_CONSTEXPR text_style operator|(text_style lhs, + const text_style& rhs) { + return lhs |= rhs; + } + + FMT_CONSTEXPR bool has_foreground() const noexcept { + return set_foreground_color; + } + FMT_CONSTEXPR bool has_background() const noexcept { + return set_background_color; + } + FMT_CONSTEXPR bool has_emphasis() const noexcept { + return static_cast(ems) != 0; + } + FMT_CONSTEXPR detail::color_type get_foreground() const noexcept { + FMT_ASSERT(has_foreground(), "no foreground specified for this style"); + return foreground_color; + } + FMT_CONSTEXPR detail::color_type get_background() const noexcept { + FMT_ASSERT(has_background(), "no background specified for this style"); + return background_color; + } + FMT_CONSTEXPR emphasis get_emphasis() const noexcept { + FMT_ASSERT(has_emphasis(), "no emphasis specified for this style"); + return ems; + } + + private: + FMT_CONSTEXPR text_style(bool is_foreground, + detail::color_type text_color) noexcept + : set_foreground_color(), set_background_color(), ems() { + if (is_foreground) { + foreground_color = text_color; + set_foreground_color = true; + } else { + background_color = text_color; + set_background_color = true; + } + } + + friend FMT_CONSTEXPR text_style fg(detail::color_type foreground) noexcept; + + friend FMT_CONSTEXPR text_style bg(detail::color_type background) noexcept; + + detail::color_type foreground_color; + detail::color_type background_color; + bool set_foreground_color; + bool set_background_color; + emphasis ems; +}; + +/** Creates a text style from the foreground (text) color. */ +FMT_CONSTEXPR inline text_style fg(detail::color_type foreground) noexcept { + return text_style(true, foreground); +} + +/** Creates a text style from the background color. */ +FMT_CONSTEXPR inline text_style bg(detail::color_type background) noexcept { + return text_style(false, background); +} + +FMT_CONSTEXPR inline text_style operator|(emphasis lhs, emphasis rhs) noexcept { + return text_style(lhs) | rhs; +} + +FMT_BEGIN_DETAIL_NAMESPACE + +template struct ansi_color_escape { + FMT_CONSTEXPR ansi_color_escape(detail::color_type text_color, + const char* esc) noexcept { + // If we have a terminal color, we need to output another escape code + // sequence. + if (!text_color.is_rgb) { + bool is_background = esc == string_view("\x1b[48;2;"); + uint32_t value = text_color.value.term_color; + // Background ASCII codes are the same as the foreground ones but with + // 10 more. + if (is_background) value += 10u; + + size_t index = 0; + buffer[index++] = static_cast('\x1b'); + buffer[index++] = static_cast('['); + + if (value >= 100u) { + buffer[index++] = static_cast('1'); + value %= 100u; + } + buffer[index++] = static_cast('0' + value / 10u); + buffer[index++] = static_cast('0' + value % 10u); + + buffer[index++] = static_cast('m'); + buffer[index++] = static_cast('\0'); + return; + } + + for (int i = 0; i < 7; i++) { + buffer[i] = static_cast(esc[i]); + } + rgb color(text_color.value.rgb_color); + to_esc(color.r, buffer + 7, ';'); + to_esc(color.g, buffer + 11, ';'); + to_esc(color.b, buffer + 15, 'm'); + buffer[19] = static_cast(0); + } + FMT_CONSTEXPR ansi_color_escape(emphasis em) noexcept { + uint8_t em_codes[num_emphases] = {}; + if (has_emphasis(em, emphasis::bold)) em_codes[0] = 1; + if (has_emphasis(em, emphasis::faint)) em_codes[1] = 2; + if (has_emphasis(em, emphasis::italic)) em_codes[2] = 3; + if (has_emphasis(em, emphasis::underline)) em_codes[3] = 4; + if (has_emphasis(em, emphasis::blink)) em_codes[4] = 5; + if (has_emphasis(em, emphasis::reverse)) em_codes[5] = 7; + if (has_emphasis(em, emphasis::conceal)) em_codes[6] = 8; + if (has_emphasis(em, emphasis::strikethrough)) em_codes[7] = 9; + + size_t index = 0; + for (size_t i = 0; i < num_emphases; ++i) { + if (!em_codes[i]) continue; + buffer[index++] = static_cast('\x1b'); + buffer[index++] = static_cast('['); + buffer[index++] = static_cast('0' + em_codes[i]); + buffer[index++] = static_cast('m'); + } + buffer[index++] = static_cast(0); + } + FMT_CONSTEXPR operator const Char*() const noexcept { return buffer; } + + FMT_CONSTEXPR const Char* begin() const noexcept { return buffer; } + FMT_CONSTEXPR_CHAR_TRAITS const Char* end() const noexcept { + return buffer + std::char_traits::length(buffer); + } + + private: + static constexpr size_t num_emphases = 8; + Char buffer[7u + 3u * num_emphases + 1u]; + + static FMT_CONSTEXPR void to_esc(uint8_t c, Char* out, + char delimiter) noexcept { + out[0] = static_cast('0' + c / 100); + out[1] = static_cast('0' + c / 10 % 10); + out[2] = static_cast('0' + c % 10); + out[3] = static_cast(delimiter); + } + static FMT_CONSTEXPR bool has_emphasis(emphasis em, emphasis mask) noexcept { + return static_cast(em) & static_cast(mask); + } +}; + +template +FMT_CONSTEXPR ansi_color_escape make_foreground_color( + detail::color_type foreground) noexcept { + return ansi_color_escape(foreground, "\x1b[38;2;"); +} + +template +FMT_CONSTEXPR ansi_color_escape make_background_color( + detail::color_type background) noexcept { + return ansi_color_escape(background, "\x1b[48;2;"); +} + +template +FMT_CONSTEXPR ansi_color_escape make_emphasis(emphasis em) noexcept { + return ansi_color_escape(em); +} + +template inline void fputs(const Char* chars, FILE* stream) { + int result = std::fputs(chars, stream); + if (result < 0) + FMT_THROW(system_error(errno, FMT_STRING("cannot write to file"))); +} + +template <> inline void fputs(const wchar_t* chars, FILE* stream) { + int result = std::fputws(chars, stream); + if (result < 0) + FMT_THROW(system_error(errno, FMT_STRING("cannot write to file"))); +} + +template inline void reset_color(FILE* stream) { + fputs("\x1b[0m", stream); +} + +template <> inline void reset_color(FILE* stream) { + fputs(L"\x1b[0m", stream); +} + +template inline void reset_color(buffer& buffer) { + auto reset_color = string_view("\x1b[0m"); + buffer.append(reset_color.begin(), reset_color.end()); +} + +template struct styled_arg { + const T& value; + text_style style; +}; + +template +void vformat_to(buffer& buf, const text_style& ts, + basic_string_view format_str, + basic_format_args>> args) { + bool has_style = false; + if (ts.has_emphasis()) { + has_style = true; + auto emphasis = detail::make_emphasis(ts.get_emphasis()); + buf.append(emphasis.begin(), emphasis.end()); + } + if (ts.has_foreground()) { + has_style = true; + auto foreground = detail::make_foreground_color(ts.get_foreground()); + buf.append(foreground.begin(), foreground.end()); + } + if (ts.has_background()) { + has_style = true; + auto background = detail::make_background_color(ts.get_background()); + buf.append(background.begin(), background.end()); + } + detail::vformat_to(buf, format_str, args, {}); + if (has_style) detail::reset_color(buf); +} + +FMT_END_DETAIL_NAMESPACE + +template > +void vprint(std::FILE* f, const text_style& ts, const S& format, + basic_format_args>> args) { + basic_memory_buffer buf; + detail::vformat_to(buf, ts, detail::to_string_view(format), args); + if (detail::is_utf8()) { + detail::print(f, basic_string_view(buf.begin(), buf.size())); + } else { + buf.push_back(Char(0)); + detail::fputs(buf.data(), f); + } +} + +/** + \rst + Formats a string and prints it to the specified file stream using ANSI + escape sequences to specify text formatting. + + **Example**:: + + fmt::print(fmt::emphasis::bold | fg(fmt::color::red), + "Elapsed time: {0:.2f} seconds", 1.23); + \endrst + */ +template ::value)> +void print(std::FILE* f, const text_style& ts, const S& format_str, + const Args&... args) { + vprint(f, ts, format_str, + fmt::make_format_args>>(args...)); +} + +/** + \rst + Formats a string and prints it to stdout using ANSI escape sequences to + specify text formatting. + + **Example**:: + + fmt::print(fmt::emphasis::bold | fg(fmt::color::red), + "Elapsed time: {0:.2f} seconds", 1.23); + \endrst + */ +template ::value)> +void print(const text_style& ts, const S& format_str, const Args&... args) { + return print(stdout, ts, format_str, args...); +} + +template > +inline std::basic_string vformat( + const text_style& ts, const S& format_str, + basic_format_args>> args) { + basic_memory_buffer buf; + detail::vformat_to(buf, ts, detail::to_string_view(format_str), args); + return fmt::to_string(buf); +} + +/** + \rst + Formats arguments and returns the result as a string using ANSI + escape sequences to specify text formatting. + + **Example**:: + + #include + std::string message = fmt::format(fmt::emphasis::bold | fg(fmt::color::red), + "The answer is {}", 42); + \endrst +*/ +template > +inline std::basic_string format(const text_style& ts, const S& format_str, + const Args&... args) { + return fmt::vformat(ts, detail::to_string_view(format_str), + fmt::make_format_args>(args...)); +} + +/** + Formats a string with the given text_style and writes the output to ``out``. + */ +template ::value)> +OutputIt vformat_to( + OutputIt out, const text_style& ts, basic_string_view format_str, + basic_format_args>> args) { + auto&& buf = detail::get_buffer(out); + detail::vformat_to(buf, ts, format_str, args); + return detail::get_iterator(buf); +} + +/** + \rst + Formats arguments with the given text_style, writes the result to the output + iterator ``out`` and returns the iterator past the end of the output range. + + **Example**:: + + std::vector out; + fmt::format_to(std::back_inserter(out), + fmt::emphasis::bold | fg(fmt::color::red), "{}", 42); + \endrst +*/ +template >::value&& + detail::is_string::value> +inline auto format_to(OutputIt out, const text_style& ts, const S& format_str, + Args&&... args) -> + typename std::enable_if::type { + return vformat_to(out, ts, detail::to_string_view(format_str), + fmt::make_format_args>>(args...)); +} + +template +struct formatter, Char> : formatter { + template + auto format(const detail::styled_arg& arg, FormatContext& ctx) const + -> decltype(ctx.out()) { + const auto& ts = arg.style; + const auto& value = arg.value; + auto out = ctx.out(); + + bool has_style = false; + if (ts.has_emphasis()) { + has_style = true; + auto emphasis = detail::make_emphasis(ts.get_emphasis()); + out = std::copy(emphasis.begin(), emphasis.end(), out); + } + if (ts.has_foreground()) { + has_style = true; + auto foreground = + detail::make_foreground_color(ts.get_foreground()); + out = std::copy(foreground.begin(), foreground.end(), out); + } + if (ts.has_background()) { + has_style = true; + auto background = + detail::make_background_color(ts.get_background()); + out = std::copy(background.begin(), background.end(), out); + } + out = formatter::format(value, ctx); + if (has_style) { + auto reset_color = string_view("\x1b[0m"); + out = std::copy(reset_color.begin(), reset_color.end(), out); + } + return out; + } +}; + +/** + \rst + Returns an argument that will be formatted using ANSI escape sequences, + to be used in a formatting function. + + **Example**:: + + fmt::print("Elapsed time: {0:.2f} seconds", + fmt::styled(1.23, fmt::fg(fmt::color::green) | + fmt::bg(fmt::color::blue))); + \endrst + */ +template +FMT_CONSTEXPR auto styled(const T& value, text_style ts) + -> detail::styled_arg> { + return detail::styled_arg>{value, ts}; +} + +FMT_MODULE_EXPORT_END +FMT_END_NAMESPACE + +#endif // FMT_COLOR_H_ diff --git a/src/spdlog/fmt/bundled/compile.h b/src/spdlog/fmt/bundled/compile.h new file mode 100644 index 00000000..933668c4 --- /dev/null +++ b/src/spdlog/fmt/bundled/compile.h @@ -0,0 +1,611 @@ +// Formatting library for C++ - experimental format string compilation +// +// Copyright (c) 2012 - present, Victor Zverovich and fmt contributors +// All rights reserved. +// +// For the license information refer to format.h. + +#ifndef FMT_COMPILE_H_ +#define FMT_COMPILE_H_ + +#include "format.h" + +FMT_BEGIN_NAMESPACE +namespace detail { + +template +FMT_CONSTEXPR inline counting_iterator copy_str(InputIt begin, InputIt end, + counting_iterator it) { + return it + (end - begin); +} + +template class truncating_iterator_base { + protected: + OutputIt out_; + size_t limit_; + size_t count_ = 0; + + truncating_iterator_base() : out_(), limit_(0) {} + + truncating_iterator_base(OutputIt out, size_t limit) + : out_(out), limit_(limit) {} + + public: + using iterator_category = std::output_iterator_tag; + using value_type = typename std::iterator_traits::value_type; + using difference_type = std::ptrdiff_t; + using pointer = void; + using reference = void; + FMT_UNCHECKED_ITERATOR(truncating_iterator_base); + + OutputIt base() const { return out_; } + size_t count() const { return count_; } +}; + +// An output iterator that truncates the output and counts the number of objects +// written to it. +template ::value_type>::type> +class truncating_iterator; + +template +class truncating_iterator + : public truncating_iterator_base { + mutable typename truncating_iterator_base::value_type blackhole_; + + public: + using value_type = typename truncating_iterator_base::value_type; + + truncating_iterator() = default; + + truncating_iterator(OutputIt out, size_t limit) + : truncating_iterator_base(out, limit) {} + + truncating_iterator& operator++() { + if (this->count_++ < this->limit_) ++this->out_; + return *this; + } + + truncating_iterator operator++(int) { + auto it = *this; + ++*this; + return it; + } + + value_type& operator*() const { + return this->count_ < this->limit_ ? *this->out_ : blackhole_; + } +}; + +template +class truncating_iterator + : public truncating_iterator_base { + public: + truncating_iterator() = default; + + truncating_iterator(OutputIt out, size_t limit) + : truncating_iterator_base(out, limit) {} + + template truncating_iterator& operator=(T val) { + if (this->count_++ < this->limit_) *this->out_++ = val; + return *this; + } + + truncating_iterator& operator++() { return *this; } + truncating_iterator& operator++(int) { return *this; } + truncating_iterator& operator*() { return *this; } +}; + +// A compile-time string which is compiled into fast formatting code. +class compiled_string {}; + +template +struct is_compiled_string : std::is_base_of {}; + +/** + \rst + Converts a string literal *s* into a format string that will be parsed at + compile time and converted into efficient formatting code. Requires C++17 + ``constexpr if`` compiler support. + + **Example**:: + + // Converts 42 into std::string using the most efficient method and no + // runtime format string processing. + std::string s = fmt::format(FMT_COMPILE("{}"), 42); + \endrst + */ +#if defined(__cpp_if_constexpr) && defined(__cpp_return_type_deduction) +# define FMT_COMPILE(s) \ + FMT_STRING_IMPL(s, fmt::detail::compiled_string, explicit) +#else +# define FMT_COMPILE(s) FMT_STRING(s) +#endif + +#if FMT_USE_NONTYPE_TEMPLATE_ARGS +template Str> +struct udl_compiled_string : compiled_string { + using char_type = Char; + explicit constexpr operator basic_string_view() const { + return {Str.data, N - 1}; + } +}; +#endif + +template +const T& first(const T& value, const Tail&...) { + return value; +} + +#if defined(__cpp_if_constexpr) && defined(__cpp_return_type_deduction) +template struct type_list {}; + +// Returns a reference to the argument at index N from [first, rest...]. +template +constexpr const auto& get([[maybe_unused]] const T& first, + [[maybe_unused]] const Args&... rest) { + static_assert(N < 1 + sizeof...(Args), "index is out of bounds"); + if constexpr (N == 0) + return first; + else + return detail::get(rest...); +} + +template +constexpr int get_arg_index_by_name(basic_string_view name, + type_list) { + return get_arg_index_by_name(name); +} + +template struct get_type_impl; + +template struct get_type_impl> { + using type = + remove_cvref_t(std::declval()...))>; +}; + +template +using get_type = typename get_type_impl::type; + +template struct is_compiled_format : std::false_type {}; + +template struct text { + basic_string_view data; + using char_type = Char; + + template + constexpr OutputIt format(OutputIt out, const Args&...) const { + return write(out, data); + } +}; + +template +struct is_compiled_format> : std::true_type {}; + +template +constexpr text make_text(basic_string_view s, size_t pos, + size_t size) { + return {{&s[pos], size}}; +} + +template struct code_unit { + Char value; + using char_type = Char; + + template + constexpr OutputIt format(OutputIt out, const Args&...) const { + return write(out, value); + } +}; + +// This ensures that the argument type is convertible to `const T&`. +template +constexpr const T& get_arg_checked(const Args&... args) { + const auto& arg = detail::get(args...); + if constexpr (detail::is_named_arg>()) { + return arg.value; + } else { + return arg; + } +} + +template +struct is_compiled_format> : std::true_type {}; + +// A replacement field that refers to argument N. +template struct field { + using char_type = Char; + + template + constexpr OutputIt format(OutputIt out, const Args&... args) const { + return write(out, get_arg_checked(args...)); + } +}; + +template +struct is_compiled_format> : std::true_type {}; + +// A replacement field that refers to argument with name. +template struct runtime_named_field { + using char_type = Char; + basic_string_view name; + + template + constexpr static bool try_format_argument( + OutputIt& out, + // [[maybe_unused]] due to unused-but-set-parameter warning in GCC 7,8,9 + [[maybe_unused]] basic_string_view arg_name, const T& arg) { + if constexpr (is_named_arg::type>::value) { + if (arg_name == arg.name) { + out = write(out, arg.value); + return true; + } + } + return false; + } + + template + constexpr OutputIt format(OutputIt out, const Args&... args) const { + bool found = (try_format_argument(out, name, args) || ...); + if (!found) { + FMT_THROW(format_error("argument with specified name is not found")); + } + return out; + } +}; + +template +struct is_compiled_format> : std::true_type {}; + +// A replacement field that refers to argument N and has format specifiers. +template struct spec_field { + using char_type = Char; + formatter fmt; + + template + constexpr FMT_INLINE OutputIt format(OutputIt out, + const Args&... args) const { + const auto& vargs = + fmt::make_format_args>(args...); + basic_format_context ctx(out, vargs); + return fmt.format(get_arg_checked(args...), ctx); + } +}; + +template +struct is_compiled_format> : std::true_type {}; + +template struct concat { + L lhs; + R rhs; + using char_type = typename L::char_type; + + template + constexpr OutputIt format(OutputIt out, const Args&... args) const { + out = lhs.format(out, args...); + return rhs.format(out, args...); + } +}; + +template +struct is_compiled_format> : std::true_type {}; + +template +constexpr concat make_concat(L lhs, R rhs) { + return {lhs, rhs}; +} + +struct unknown_format {}; + +template +constexpr size_t parse_text(basic_string_view str, size_t pos) { + for (size_t size = str.size(); pos != size; ++pos) { + if (str[pos] == '{' || str[pos] == '}') break; + } + return pos; +} + +template +constexpr auto compile_format_string(S format_str); + +template +constexpr auto parse_tail(T head, S format_str) { + if constexpr (POS != + basic_string_view(format_str).size()) { + constexpr auto tail = compile_format_string(format_str); + if constexpr (std::is_same, + unknown_format>()) + return tail; + else + return make_concat(head, tail); + } else { + return head; + } +} + +template struct parse_specs_result { + formatter fmt; + size_t end; + int next_arg_id; +}; + +constexpr int manual_indexing_id = -1; + +template +constexpr parse_specs_result parse_specs(basic_string_view str, + size_t pos, int next_arg_id) { + str.remove_prefix(pos); + auto ctx = compile_parse_context(str, max_value(), nullptr, {}, + next_arg_id); + auto f = formatter(); + auto end = f.parse(ctx); + return {f, pos + fmt::detail::to_unsigned(end - str.data()), + next_arg_id == 0 ? manual_indexing_id : ctx.next_arg_id()}; +} + +template struct arg_id_handler { + arg_ref arg_id; + + constexpr int operator()() { + FMT_ASSERT(false, "handler cannot be used with automatic indexing"); + return 0; + } + constexpr int operator()(int id) { + arg_id = arg_ref(id); + return 0; + } + constexpr int operator()(basic_string_view id) { + arg_id = arg_ref(id); + return 0; + } + + constexpr void on_error(const char* message) { + FMT_THROW(format_error(message)); + } +}; + +template struct parse_arg_id_result { + arg_ref arg_id; + const Char* arg_id_end; +}; + +template +constexpr auto parse_arg_id(const Char* begin, const Char* end) { + auto handler = arg_id_handler{arg_ref{}}; + auto arg_id_end = parse_arg_id(begin, end, handler); + return parse_arg_id_result{handler.arg_id, arg_id_end}; +} + +template struct field_type { + using type = remove_cvref_t; +}; + +template +struct field_type::value>> { + using type = remove_cvref_t; +}; + +template +constexpr auto parse_replacement_field_then_tail(S format_str) { + using char_type = typename S::char_type; + constexpr auto str = basic_string_view(format_str); + constexpr char_type c = END_POS != str.size() ? str[END_POS] : char_type(); + if constexpr (c == '}') { + return parse_tail( + field::type, ARG_INDEX>(), + format_str); + } else if constexpr (c != ':') { + FMT_THROW(format_error("expected ':'")); + } else { + constexpr auto result = parse_specs::type>( + str, END_POS + 1, NEXT_ID == manual_indexing_id ? 0 : NEXT_ID); + if constexpr (result.end >= str.size() || str[result.end] != '}') { + FMT_THROW(format_error("expected '}'")); + return 0; + } else { + return parse_tail( + spec_field::type, ARG_INDEX>{ + result.fmt}, + format_str); + } + } +} + +// Compiles a non-empty format string and returns the compiled representation +// or unknown_format() on unrecognized input. +template +constexpr auto compile_format_string(S format_str) { + using char_type = typename S::char_type; + constexpr auto str = basic_string_view(format_str); + if constexpr (str[POS] == '{') { + if constexpr (POS + 1 == str.size()) + FMT_THROW(format_error("unmatched '{' in format string")); + if constexpr (str[POS + 1] == '{') { + return parse_tail(make_text(str, POS, 1), format_str); + } else if constexpr (str[POS + 1] == '}' || str[POS + 1] == ':') { + static_assert(ID != manual_indexing_id, + "cannot switch from manual to automatic argument indexing"); + constexpr auto next_id = + ID != manual_indexing_id ? ID + 1 : manual_indexing_id; + return parse_replacement_field_then_tail, Args, + POS + 1, ID, next_id>( + format_str); + } else { + constexpr auto arg_id_result = + parse_arg_id(str.data() + POS + 1, str.data() + str.size()); + constexpr auto arg_id_end_pos = arg_id_result.arg_id_end - str.data(); + constexpr char_type c = + arg_id_end_pos != str.size() ? str[arg_id_end_pos] : char_type(); + static_assert(c == '}' || c == ':', "missing '}' in format string"); + if constexpr (arg_id_result.arg_id.kind == arg_id_kind::index) { + static_assert( + ID == manual_indexing_id || ID == 0, + "cannot switch from automatic to manual argument indexing"); + constexpr auto arg_index = arg_id_result.arg_id.val.index; + return parse_replacement_field_then_tail, + Args, arg_id_end_pos, + arg_index, manual_indexing_id>( + format_str); + } else if constexpr (arg_id_result.arg_id.kind == arg_id_kind::name) { + constexpr auto arg_index = + get_arg_index_by_name(arg_id_result.arg_id.val.name, Args{}); + if constexpr (arg_index != invalid_arg_index) { + constexpr auto next_id = + ID != manual_indexing_id ? ID + 1 : manual_indexing_id; + return parse_replacement_field_then_tail< + decltype(get_type::value), Args, arg_id_end_pos, + arg_index, next_id>(format_str); + } else { + if constexpr (c == '}') { + return parse_tail( + runtime_named_field{arg_id_result.arg_id.val.name}, + format_str); + } else if constexpr (c == ':') { + return unknown_format(); // no type info for specs parsing + } + } + } + } + } else if constexpr (str[POS] == '}') { + if constexpr (POS + 1 == str.size()) + FMT_THROW(format_error("unmatched '}' in format string")); + return parse_tail(make_text(str, POS, 1), format_str); + } else { + constexpr auto end = parse_text(str, POS + 1); + if constexpr (end - POS > 1) { + return parse_tail(make_text(str, POS, end - POS), + format_str); + } else { + return parse_tail(code_unit{str[POS]}, + format_str); + } + } +} + +template ::value)> +constexpr auto compile(S format_str) { + constexpr auto str = basic_string_view(format_str); + if constexpr (str.size() == 0) { + return detail::make_text(str, 0, 0); + } else { + constexpr auto result = + detail::compile_format_string, 0, 0>( + format_str); + return result; + } +} +#endif // defined(__cpp_if_constexpr) && defined(__cpp_return_type_deduction) +} // namespace detail + +FMT_MODULE_EXPORT_BEGIN + +#if defined(__cpp_if_constexpr) && defined(__cpp_return_type_deduction) + +template ::value)> +FMT_INLINE std::basic_string format(const CompiledFormat& cf, + const Args&... args) { + auto s = std::basic_string(); + cf.format(std::back_inserter(s), args...); + return s; +} + +template ::value)> +constexpr FMT_INLINE OutputIt format_to(OutputIt out, const CompiledFormat& cf, + const Args&... args) { + return cf.format(out, args...); +} + +template ::value)> +FMT_INLINE std::basic_string format(const S&, + Args&&... args) { + if constexpr (std::is_same::value) { + constexpr auto str = basic_string_view(S()); + if constexpr (str.size() == 2 && str[0] == '{' && str[1] == '}') { + const auto& first = detail::first(args...); + if constexpr (detail::is_named_arg< + remove_cvref_t>::value) { + return fmt::to_string(first.value); + } else { + return fmt::to_string(first); + } + } + } + constexpr auto compiled = detail::compile(S()); + if constexpr (std::is_same, + detail::unknown_format>()) { + return fmt::format( + static_cast>(S()), + std::forward(args)...); + } else { + return fmt::format(compiled, std::forward(args)...); + } +} + +template ::value)> +FMT_CONSTEXPR OutputIt format_to(OutputIt out, const S&, Args&&... args) { + constexpr auto compiled = detail::compile(S()); + if constexpr (std::is_same, + detail::unknown_format>()) { + return fmt::format_to( + out, static_cast>(S()), + std::forward(args)...); + } else { + return fmt::format_to(out, compiled, std::forward(args)...); + } +} +#endif + +template ::value)> +format_to_n_result format_to_n(OutputIt out, size_t n, + const S& format_str, Args&&... args) { + auto it = fmt::format_to(detail::truncating_iterator(out, n), + format_str, std::forward(args)...); + return {it.base(), it.count()}; +} + +template ::value)> +FMT_CONSTEXPR20 size_t formatted_size(const S& format_str, + const Args&... args) { + return fmt::format_to(detail::counting_iterator(), format_str, args...) + .count(); +} + +template ::value)> +void print(std::FILE* f, const S& format_str, const Args&... args) { + memory_buffer buffer; + fmt::format_to(std::back_inserter(buffer), format_str, args...); + detail::print(f, {buffer.data(), buffer.size()}); +} + +template ::value)> +void print(const S& format_str, const Args&... args) { + print(stdout, format_str, args...); +} + +#if FMT_USE_NONTYPE_TEMPLATE_ARGS +inline namespace literals { +template constexpr auto operator""_cf() { + using char_t = remove_cvref_t; + return detail::udl_compiled_string(); +} +} // namespace literals +#endif + +FMT_MODULE_EXPORT_END +FMT_END_NAMESPACE + +#endif // FMT_COMPILE_H_ diff --git a/src/spdlog/fmt/bundled/core.h b/src/spdlog/fmt/bundled/core.h new file mode 100644 index 00000000..f6a37af9 --- /dev/null +++ b/src/spdlog/fmt/bundled/core.h @@ -0,0 +1,3323 @@ +// Formatting library for C++ - the core API for char/UTF-8 +// +// Copyright (c) 2012 - present, Victor Zverovich +// All rights reserved. +// +// For the license information refer to format.h. + +#ifndef FMT_CORE_H_ +#define FMT_CORE_H_ + +#include // std::byte +#include // std::FILE +#include // std::strlen +#include +#include +#include +#include + +// The fmt library version in the form major * 10000 + minor * 100 + patch. +#define FMT_VERSION 90100 + +#if defined(__clang__) && !defined(__ibmxl__) +# define FMT_CLANG_VERSION (__clang_major__ * 100 + __clang_minor__) +#else +# define FMT_CLANG_VERSION 0 +#endif + +#if defined(__GNUC__) && !defined(__clang__) && !defined(__INTEL_COMPILER) && \ + !defined(__NVCOMPILER) +# define FMT_GCC_VERSION (__GNUC__ * 100 + __GNUC_MINOR__) +#else +# define FMT_GCC_VERSION 0 +#endif + +#ifndef FMT_GCC_PRAGMA +// Workaround _Pragma bug https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59884. +# if FMT_GCC_VERSION >= 504 +# define FMT_GCC_PRAGMA(arg) _Pragma(arg) +# else +# define FMT_GCC_PRAGMA(arg) +# endif +#endif + +#ifdef __ICL +# define FMT_ICC_VERSION __ICL +#elif defined(__INTEL_COMPILER) +# define FMT_ICC_VERSION __INTEL_COMPILER +#else +# define FMT_ICC_VERSION 0 +#endif + +#ifdef _MSC_VER +# define FMT_MSC_VERSION _MSC_VER +# define FMT_MSC_WARNING(...) __pragma(warning(__VA_ARGS__)) +#else +# define FMT_MSC_VERSION 0 +# define FMT_MSC_WARNING(...) +#endif + +#ifdef _MSVC_LANG +# define FMT_CPLUSPLUS _MSVC_LANG +#else +# define FMT_CPLUSPLUS __cplusplus +#endif + +#ifdef __has_feature +# define FMT_HAS_FEATURE(x) __has_feature(x) +#else +# define FMT_HAS_FEATURE(x) 0 +#endif + +#if (defined(__has_include) || FMT_ICC_VERSION >= 1600 || \ + FMT_MSC_VERSION > 1900) && \ + !defined(__INTELLISENSE__) +# define FMT_HAS_INCLUDE(x) __has_include(x) +#else +# define FMT_HAS_INCLUDE(x) 0 +#endif + +#ifdef __has_cpp_attribute +# define FMT_HAS_CPP_ATTRIBUTE(x) __has_cpp_attribute(x) +#else +# define FMT_HAS_CPP_ATTRIBUTE(x) 0 +#endif + +#define FMT_HAS_CPP14_ATTRIBUTE(attribute) \ + (FMT_CPLUSPLUS >= 201402L && FMT_HAS_CPP_ATTRIBUTE(attribute)) + +#define FMT_HAS_CPP17_ATTRIBUTE(attribute) \ + (FMT_CPLUSPLUS >= 201703L && FMT_HAS_CPP_ATTRIBUTE(attribute)) + +// Check if relaxed C++14 constexpr is supported. +// GCC doesn't allow throw in constexpr until version 6 (bug 67371). +#ifndef FMT_USE_CONSTEXPR +# if (FMT_HAS_FEATURE(cxx_relaxed_constexpr) || FMT_MSC_VERSION >= 1912 || \ + (FMT_GCC_VERSION >= 600 && FMT_CPLUSPLUS >= 201402L)) && \ + !FMT_ICC_VERSION && !defined(__NVCC__) +# define FMT_USE_CONSTEXPR 1 +# else +# define FMT_USE_CONSTEXPR 0 +# endif +#endif +#if FMT_USE_CONSTEXPR +# define FMT_CONSTEXPR constexpr +#else +# define FMT_CONSTEXPR +#endif + +#if ((FMT_CPLUSPLUS >= 202002L) && \ + (!defined(_GLIBCXX_RELEASE) || _GLIBCXX_RELEASE > 9)) || \ + (FMT_CPLUSPLUS >= 201709L && FMT_GCC_VERSION >= 1002) +# define FMT_CONSTEXPR20 constexpr +#else +# define FMT_CONSTEXPR20 +#endif + +// Check if constexpr std::char_traits<>::{compare,length} are supported. +#if defined(__GLIBCXX__) +# if FMT_CPLUSPLUS >= 201703L && defined(_GLIBCXX_RELEASE) && \ + _GLIBCXX_RELEASE >= 7 // GCC 7+ libstdc++ has _GLIBCXX_RELEASE. +# define FMT_CONSTEXPR_CHAR_TRAITS constexpr +# endif +#elif defined(_LIBCPP_VERSION) && FMT_CPLUSPLUS >= 201703L && \ + _LIBCPP_VERSION >= 4000 +# define FMT_CONSTEXPR_CHAR_TRAITS constexpr +#elif FMT_MSC_VERSION >= 1914 && FMT_CPLUSPLUS >= 201703L +# define FMT_CONSTEXPR_CHAR_TRAITS constexpr +#endif +#ifndef FMT_CONSTEXPR_CHAR_TRAITS +# define FMT_CONSTEXPR_CHAR_TRAITS +#endif + +// Check if exceptions are disabled. +#ifndef FMT_EXCEPTIONS +# if (defined(__GNUC__) && !defined(__EXCEPTIONS)) || \ + (FMT_MSC_VERSION && !_HAS_EXCEPTIONS) +# define FMT_EXCEPTIONS 0 +# else +# define FMT_EXCEPTIONS 1 +# endif +#endif + +#ifndef FMT_DEPRECATED +# if FMT_HAS_CPP14_ATTRIBUTE(deprecated) || FMT_MSC_VERSION >= 1900 +# define FMT_DEPRECATED [[deprecated]] +# else +# if (defined(__GNUC__) && !defined(__LCC__)) || defined(__clang__) +# define FMT_DEPRECATED __attribute__((deprecated)) +# elif FMT_MSC_VERSION +# define FMT_DEPRECATED __declspec(deprecated) +# else +# define FMT_DEPRECATED /* deprecated */ +# endif +# endif +#endif + +// [[noreturn]] is disabled on MSVC and NVCC because of bogus unreachable code +// warnings. +#if FMT_EXCEPTIONS && FMT_HAS_CPP_ATTRIBUTE(noreturn) && !FMT_MSC_VERSION && \ + !defined(__NVCC__) +# define FMT_NORETURN [[noreturn]] +#else +# define FMT_NORETURN +#endif + +#if FMT_HAS_CPP17_ATTRIBUTE(fallthrough) +# define FMT_FALLTHROUGH [[fallthrough]] +#elif defined(__clang__) +# define FMT_FALLTHROUGH [[clang::fallthrough]] +#elif FMT_GCC_VERSION >= 700 && \ + (!defined(__EDG_VERSION__) || __EDG_VERSION__ >= 520) +# define FMT_FALLTHROUGH [[gnu::fallthrough]] +#else +# define FMT_FALLTHROUGH +#endif + +#ifndef FMT_NODISCARD +# if FMT_HAS_CPP17_ATTRIBUTE(nodiscard) +# define FMT_NODISCARD [[nodiscard]] +# else +# define FMT_NODISCARD +# endif +#endif + +#ifndef FMT_USE_FLOAT +# define FMT_USE_FLOAT 1 +#endif +#ifndef FMT_USE_DOUBLE +# define FMT_USE_DOUBLE 1 +#endif +#ifndef FMT_USE_LONG_DOUBLE +# define FMT_USE_LONG_DOUBLE 1 +#endif + +#ifndef FMT_INLINE +# if FMT_GCC_VERSION || FMT_CLANG_VERSION +# define FMT_INLINE inline __attribute__((always_inline)) +# else +# define FMT_INLINE inline +# endif +#endif + +// An inline std::forward replacement. +#define FMT_FORWARD(...) static_cast(__VA_ARGS__) + +#ifdef _MSC_VER +# define FMT_UNCHECKED_ITERATOR(It) \ + using _Unchecked_type = It // Mark iterator as checked. +#else +# define FMT_UNCHECKED_ITERATOR(It) using unchecked_type = It +#endif + +#ifndef FMT_BEGIN_NAMESPACE +# define FMT_BEGIN_NAMESPACE \ + namespace fmt { \ + inline namespace v9 { +# define FMT_END_NAMESPACE \ + } \ + } +#endif + +#ifndef FMT_MODULE_EXPORT +# define FMT_MODULE_EXPORT +# define FMT_MODULE_EXPORT_BEGIN +# define FMT_MODULE_EXPORT_END +# define FMT_BEGIN_DETAIL_NAMESPACE namespace detail { +# define FMT_END_DETAIL_NAMESPACE } +#endif + +#if !defined(FMT_HEADER_ONLY) && defined(_WIN32) +# define FMT_CLASS_API FMT_MSC_WARNING(suppress : 4275) +# ifdef FMT_EXPORT +# define FMT_API __declspec(dllexport) +# elif defined(FMT_SHARED) +# define FMT_API __declspec(dllimport) +# endif +#else +# define FMT_CLASS_API +# if defined(FMT_EXPORT) || defined(FMT_SHARED) +# if defined(__GNUC__) || defined(__clang__) +# define FMT_API __attribute__((visibility("default"))) +# endif +# endif +#endif +#ifndef FMT_API +# define FMT_API +#endif + +// libc++ supports string_view in pre-c++17. +#if FMT_HAS_INCLUDE() && \ + (FMT_CPLUSPLUS >= 201703L || defined(_LIBCPP_VERSION)) +# include +# define FMT_USE_STRING_VIEW +#elif FMT_HAS_INCLUDE("experimental/string_view") && FMT_CPLUSPLUS >= 201402L +# include +# define FMT_USE_EXPERIMENTAL_STRING_VIEW +#endif + +#ifndef FMT_UNICODE +# define FMT_UNICODE !FMT_MSC_VERSION +#endif + +#ifndef FMT_CONSTEVAL +# if ((FMT_GCC_VERSION >= 1000 || FMT_CLANG_VERSION >= 1101) && \ + FMT_CPLUSPLUS >= 202002L && !defined(__apple_build_version__)) || \ + (defined(__cpp_consteval) && \ + (!FMT_MSC_VERSION || _MSC_FULL_VER >= 193030704)) +// consteval is broken in MSVC before VS2022 and Apple clang 13. +# define FMT_CONSTEVAL consteval +# define FMT_HAS_CONSTEVAL +# else +# define FMT_CONSTEVAL +# endif +#endif + +#ifndef FMT_USE_NONTYPE_TEMPLATE_ARGS +# if defined(__cpp_nontype_template_args) && \ + ((FMT_GCC_VERSION >= 903 && FMT_CPLUSPLUS >= 201709L) || \ + __cpp_nontype_template_args >= 201911L) && \ + !defined(__NVCOMPILER) +# define FMT_USE_NONTYPE_TEMPLATE_ARGS 1 +# else +# define FMT_USE_NONTYPE_TEMPLATE_ARGS 0 +# endif +#endif + +// Enable minimal optimizations for more compact code in debug mode. +FMT_GCC_PRAGMA("GCC push_options") +#if !defined(__OPTIMIZE__) && !defined(__NVCOMPILER) +FMT_GCC_PRAGMA("GCC optimize(\"Og\")") +#endif + +FMT_BEGIN_NAMESPACE +FMT_MODULE_EXPORT_BEGIN + +// Implementations of enable_if_t and other metafunctions for older systems. +template +using enable_if_t = typename std::enable_if::type; +template +using conditional_t = typename std::conditional::type; +template using bool_constant = std::integral_constant; +template +using remove_reference_t = typename std::remove_reference::type; +template +using remove_const_t = typename std::remove_const::type; +template +using remove_cvref_t = typename std::remove_cv>::type; +template struct type_identity { using type = T; }; +template using type_identity_t = typename type_identity::type; +template +using underlying_t = typename std::underlying_type::type; + +template struct disjunction : std::false_type {}; +template struct disjunction

: P {}; +template +struct disjunction + : conditional_t> {}; + +template struct conjunction : std::true_type {}; +template struct conjunction

: P {}; +template +struct conjunction + : conditional_t, P1> {}; + +struct monostate { + constexpr monostate() {} +}; + +// An enable_if helper to be used in template parameters which results in much +// shorter symbols: https://godbolt.org/z/sWw4vP. Extra parentheses are needed +// to workaround a bug in MSVC 2019 (see #1140 and #1186). +#ifdef FMT_DOC +# define FMT_ENABLE_IF(...) +#else +# define FMT_ENABLE_IF(...) enable_if_t<(__VA_ARGS__), int> = 0 +#endif + +FMT_BEGIN_DETAIL_NAMESPACE + +// Suppresses "unused variable" warnings with the method described in +// https://herbsutter.com/2009/10/18/mailbag-shutting-up-compiler-warnings/. +// (void)var does not work on many Intel compilers. +template FMT_CONSTEXPR void ignore_unused(const T&...) {} + +constexpr FMT_INLINE auto is_constant_evaluated( + bool default_value = false) noexcept -> bool { +#ifdef __cpp_lib_is_constant_evaluated + ignore_unused(default_value); + return std::is_constant_evaluated(); +#else + return default_value; +#endif +} + +// Suppresses "conditional expression is constant" warnings. +template constexpr FMT_INLINE auto const_check(T value) -> T { + return value; +} + +FMT_NORETURN FMT_API void assert_fail(const char* file, int line, + const char* message); + +#ifndef FMT_ASSERT +# ifdef NDEBUG +// FMT_ASSERT is not empty to avoid -Wempty-body. +# define FMT_ASSERT(condition, message) \ + ::fmt::detail::ignore_unused((condition), (message)) +# else +# define FMT_ASSERT(condition, message) \ + ((condition) /* void() fails with -Winvalid-constexpr on clang 4.0.1 */ \ + ? (void)0 \ + : ::fmt::detail::assert_fail(__FILE__, __LINE__, (message))) +# endif +#endif + +#if defined(FMT_USE_STRING_VIEW) +template using std_string_view = std::basic_string_view; +#elif defined(FMT_USE_EXPERIMENTAL_STRING_VIEW) +template +using std_string_view = std::experimental::basic_string_view; +#else +template struct std_string_view {}; +#endif + +#ifdef FMT_USE_INT128 +// Do nothing. +#elif defined(__SIZEOF_INT128__) && !defined(__NVCC__) && \ + !(FMT_CLANG_VERSION && FMT_MSC_VERSION) +# define FMT_USE_INT128 1 +using int128_opt = __int128_t; // An optional native 128-bit integer. +using uint128_opt = __uint128_t; +template inline auto convert_for_visit(T value) -> T { + return value; +} +#else +# define FMT_USE_INT128 0 +#endif +#if !FMT_USE_INT128 +enum class int128_opt {}; +enum class uint128_opt {}; +// Reduce template instantiations. +template auto convert_for_visit(T) -> monostate { return {}; } +#endif + +// Casts a nonnegative integer to unsigned. +template +FMT_CONSTEXPR auto to_unsigned(Int value) -> + typename std::make_unsigned::type { + FMT_ASSERT(std::is_unsigned::value || value >= 0, "negative value"); + return static_cast::type>(value); +} + +FMT_MSC_WARNING(suppress : 4566) constexpr unsigned char micro[] = "\u00B5"; + +constexpr auto is_utf8() -> bool { + // Avoid buggy sign extensions in MSVC's constant evaluation mode (#2297). + using uchar = unsigned char; + return FMT_UNICODE || (sizeof(micro) == 3 && uchar(micro[0]) == 0xC2 && + uchar(micro[1]) == 0xB5); +} +FMT_END_DETAIL_NAMESPACE + +/** + An implementation of ``std::basic_string_view`` for pre-C++17. It provides a + subset of the API. ``fmt::basic_string_view`` is used for format strings even + if ``std::string_view`` is available to prevent issues when a library is + compiled with a different ``-std`` option than the client code (which is not + recommended). + */ +template class basic_string_view { + private: + const Char* data_; + size_t size_; + + public: + using value_type = Char; + using iterator = const Char*; + + constexpr basic_string_view() noexcept : data_(nullptr), size_(0) {} + + /** Constructs a string reference object from a C string and a size. */ + constexpr basic_string_view(const Char* s, size_t count) noexcept + : data_(s), size_(count) {} + + /** + \rst + Constructs a string reference object from a C string computing + the size with ``std::char_traits::length``. + \endrst + */ + FMT_CONSTEXPR_CHAR_TRAITS + FMT_INLINE + basic_string_view(const Char* s) + : data_(s), + size_(detail::const_check(std::is_same::value && + !detail::is_constant_evaluated(true)) + ? std::strlen(reinterpret_cast(s)) + : std::char_traits::length(s)) {} + + /** Constructs a string reference from a ``std::basic_string`` object. */ + template + FMT_CONSTEXPR basic_string_view( + const std::basic_string& s) noexcept + : data_(s.data()), size_(s.size()) {} + + template >::value)> + FMT_CONSTEXPR basic_string_view(S s) noexcept + : data_(s.data()), size_(s.size()) {} + + /** Returns a pointer to the string data. */ + constexpr auto data() const noexcept -> const Char* { return data_; } + + /** Returns the string size. */ + constexpr auto size() const noexcept -> size_t { return size_; } + + constexpr auto begin() const noexcept -> iterator { return data_; } + constexpr auto end() const noexcept -> iterator { return data_ + size_; } + + constexpr auto operator[](size_t pos) const noexcept -> const Char& { + return data_[pos]; + } + + FMT_CONSTEXPR void remove_prefix(size_t n) noexcept { + data_ += n; + size_ -= n; + } + + // Lexicographically compare this string reference to other. + FMT_CONSTEXPR_CHAR_TRAITS auto compare(basic_string_view other) const -> int { + size_t str_size = size_ < other.size_ ? size_ : other.size_; + int result = std::char_traits::compare(data_, other.data_, str_size); + if (result == 0) + result = size_ == other.size_ ? 0 : (size_ < other.size_ ? -1 : 1); + return result; + } + + FMT_CONSTEXPR_CHAR_TRAITS friend auto operator==(basic_string_view lhs, + basic_string_view rhs) + -> bool { + return lhs.compare(rhs) == 0; + } + friend auto operator!=(basic_string_view lhs, basic_string_view rhs) -> bool { + return lhs.compare(rhs) != 0; + } + friend auto operator<(basic_string_view lhs, basic_string_view rhs) -> bool { + return lhs.compare(rhs) < 0; + } + friend auto operator<=(basic_string_view lhs, basic_string_view rhs) -> bool { + return lhs.compare(rhs) <= 0; + } + friend auto operator>(basic_string_view lhs, basic_string_view rhs) -> bool { + return lhs.compare(rhs) > 0; + } + friend auto operator>=(basic_string_view lhs, basic_string_view rhs) -> bool { + return lhs.compare(rhs) >= 0; + } +}; + +using string_view = basic_string_view; + +/** Specifies if ``T`` is a character type. Can be specialized by users. */ +template struct is_char : std::false_type {}; +template <> struct is_char : std::true_type {}; + +FMT_BEGIN_DETAIL_NAMESPACE + +// A base class for compile-time strings. +struct compile_string {}; + +template +struct is_compile_string : std::is_base_of {}; + +// Returns a string view of `s`. +template ::value)> +FMT_INLINE auto to_string_view(const Char* s) -> basic_string_view { + return s; +} +template +inline auto to_string_view(const std::basic_string& s) + -> basic_string_view { + return s; +} +template +constexpr auto to_string_view(basic_string_view s) + -> basic_string_view { + return s; +} +template >::value)> +inline auto to_string_view(std_string_view s) -> basic_string_view { + return s; +} +template ::value)> +constexpr auto to_string_view(const S& s) + -> basic_string_view { + return basic_string_view(s); +} +void to_string_view(...); + +// Specifies whether S is a string type convertible to fmt::basic_string_view. +// It should be a constexpr function but MSVC 2017 fails to compile it in +// enable_if and MSVC 2015 fails to compile it as an alias template. +// ADL invocation of to_string_view is DEPRECATED! +template +struct is_string : std::is_class()))> { +}; + +template struct char_t_impl {}; +template struct char_t_impl::value>> { + using result = decltype(to_string_view(std::declval())); + using type = typename result::value_type; +}; + +enum class type { + none_type, + // Integer types should go first, + int_type, + uint_type, + long_long_type, + ulong_long_type, + int128_type, + uint128_type, + bool_type, + char_type, + last_integer_type = char_type, + // followed by floating-point types. + float_type, + double_type, + long_double_type, + last_numeric_type = long_double_type, + cstring_type, + string_type, + pointer_type, + custom_type +}; + +// Maps core type T to the corresponding type enum constant. +template +struct type_constant : std::integral_constant {}; + +#define FMT_TYPE_CONSTANT(Type, constant) \ + template \ + struct type_constant \ + : std::integral_constant {} + +FMT_TYPE_CONSTANT(int, int_type); +FMT_TYPE_CONSTANT(unsigned, uint_type); +FMT_TYPE_CONSTANT(long long, long_long_type); +FMT_TYPE_CONSTANT(unsigned long long, ulong_long_type); +FMT_TYPE_CONSTANT(int128_opt, int128_type); +FMT_TYPE_CONSTANT(uint128_opt, uint128_type); +FMT_TYPE_CONSTANT(bool, bool_type); +FMT_TYPE_CONSTANT(Char, char_type); +FMT_TYPE_CONSTANT(float, float_type); +FMT_TYPE_CONSTANT(double, double_type); +FMT_TYPE_CONSTANT(long double, long_double_type); +FMT_TYPE_CONSTANT(const Char*, cstring_type); +FMT_TYPE_CONSTANT(basic_string_view, string_type); +FMT_TYPE_CONSTANT(const void*, pointer_type); + +constexpr bool is_integral_type(type t) { + return t > type::none_type && t <= type::last_integer_type; +} + +constexpr bool is_arithmetic_type(type t) { + return t > type::none_type && t <= type::last_numeric_type; +} + +FMT_NORETURN FMT_API void throw_format_error(const char* message); + +struct error_handler { + constexpr error_handler() = default; + constexpr error_handler(const error_handler&) = default; + + // This function is intentionally not constexpr to give a compile-time error. + FMT_NORETURN void on_error(const char* message) { + throw_format_error(message); + } +}; +FMT_END_DETAIL_NAMESPACE + +/** String's character type. */ +template using char_t = typename detail::char_t_impl::type; + +/** + \rst + Parsing context consisting of a format string range being parsed and an + argument counter for automatic indexing. + You can use the ``format_parse_context`` type alias for ``char`` instead. + \endrst + */ +template +class basic_format_parse_context : private ErrorHandler { + private: + basic_string_view format_str_; + int next_arg_id_; + + FMT_CONSTEXPR void do_check_arg_id(int id); + + public: + using char_type = Char; + using iterator = typename basic_string_view::iterator; + + explicit constexpr basic_format_parse_context( + basic_string_view format_str, ErrorHandler eh = {}, + int next_arg_id = 0) + : ErrorHandler(eh), format_str_(format_str), next_arg_id_(next_arg_id) {} + + /** + Returns an iterator to the beginning of the format string range being + parsed. + */ + constexpr auto begin() const noexcept -> iterator { + return format_str_.begin(); + } + + /** + Returns an iterator past the end of the format string range being parsed. + */ + constexpr auto end() const noexcept -> iterator { return format_str_.end(); } + + /** Advances the begin iterator to ``it``. */ + FMT_CONSTEXPR void advance_to(iterator it) { + format_str_.remove_prefix(detail::to_unsigned(it - begin())); + } + + /** + Reports an error if using the manual argument indexing; otherwise returns + the next argument index and switches to the automatic indexing. + */ + FMT_CONSTEXPR auto next_arg_id() -> int { + if (next_arg_id_ < 0) { + on_error("cannot switch from manual to automatic argument indexing"); + return 0; + } + int id = next_arg_id_++; + do_check_arg_id(id); + return id; + } + + /** + Reports an error if using the automatic argument indexing; otherwise + switches to the manual indexing. + */ + FMT_CONSTEXPR void check_arg_id(int id) { + if (next_arg_id_ > 0) { + on_error("cannot switch from automatic to manual argument indexing"); + return; + } + next_arg_id_ = -1; + do_check_arg_id(id); + } + FMT_CONSTEXPR void check_arg_id(basic_string_view) {} + FMT_CONSTEXPR void check_dynamic_spec(int arg_id); + + FMT_CONSTEXPR void on_error(const char* message) { + ErrorHandler::on_error(message); + } + + constexpr auto error_handler() const -> ErrorHandler { return *this; } +}; + +using format_parse_context = basic_format_parse_context; + +FMT_BEGIN_DETAIL_NAMESPACE +// A parse context with extra data used only in compile-time checks. +template +class compile_parse_context + : public basic_format_parse_context { + private: + int num_args_; + const type* types_; + using base = basic_format_parse_context; + + public: + explicit FMT_CONSTEXPR compile_parse_context( + basic_string_view format_str, int num_args, const type* types, + ErrorHandler eh = {}, int next_arg_id = 0) + : base(format_str, eh, next_arg_id), num_args_(num_args), types_(types) {} + + constexpr auto num_args() const -> int { return num_args_; } + constexpr auto arg_type(int id) const -> type { return types_[id]; } + + FMT_CONSTEXPR auto next_arg_id() -> int { + int id = base::next_arg_id(); + if (id >= num_args_) this->on_error("argument not found"); + return id; + } + + FMT_CONSTEXPR void check_arg_id(int id) { + base::check_arg_id(id); + if (id >= num_args_) this->on_error("argument not found"); + } + using base::check_arg_id; + + FMT_CONSTEXPR void check_dynamic_spec(int arg_id) { + if (arg_id < num_args_ && types_ && !is_integral_type(types_[arg_id])) + this->on_error("width/precision is not integer"); + } +}; +FMT_END_DETAIL_NAMESPACE + +template +FMT_CONSTEXPR void +basic_format_parse_context::do_check_arg_id(int id) { + // Argument id is only checked at compile-time during parsing because + // formatting has its own validation. + if (detail::is_constant_evaluated() && FMT_GCC_VERSION >= 1200) { + using context = detail::compile_parse_context; + if (id >= static_cast(this)->num_args()) + on_error("argument not found"); + } +} + +template +FMT_CONSTEXPR void +basic_format_parse_context::check_dynamic_spec(int arg_id) { + if (detail::is_constant_evaluated()) { + using context = detail::compile_parse_context; + static_cast(this)->check_dynamic_spec(arg_id); + } +} + +template class basic_format_arg; +template class basic_format_args; +template class dynamic_format_arg_store; + +// A formatter for objects of type T. +template +struct formatter { + // A deleted default constructor indicates a disabled formatter. + formatter() = delete; +}; + +// Specifies if T has an enabled formatter specialization. A type can be +// formattable even if it doesn't have a formatter e.g. via a conversion. +template +using has_formatter = + std::is_constructible>; + +// Checks whether T is a container with contiguous storage. +template struct is_contiguous : std::false_type {}; +template +struct is_contiguous> : std::true_type {}; + +class appender; + +FMT_BEGIN_DETAIL_NAMESPACE + +template +constexpr auto has_const_formatter_impl(T*) + -> decltype(typename Context::template formatter_type().format( + std::declval(), std::declval()), + true) { + return true; +} +template +constexpr auto has_const_formatter_impl(...) -> bool { + return false; +} +template +constexpr auto has_const_formatter() -> bool { + return has_const_formatter_impl(static_cast(nullptr)); +} + +// Extracts a reference to the container from back_insert_iterator. +template +inline auto get_container(std::back_insert_iterator it) + -> Container& { + using base = std::back_insert_iterator; + struct accessor : base { + accessor(base b) : base(b) {} + using base::container; + }; + return *accessor(it).container; +} + +template +FMT_CONSTEXPR auto copy_str(InputIt begin, InputIt end, OutputIt out) + -> OutputIt { + while (begin != end) *out++ = static_cast(*begin++); + return out; +} + +template , U>::value&& is_char::value)> +FMT_CONSTEXPR auto copy_str(T* begin, T* end, U* out) -> U* { + if (is_constant_evaluated()) return copy_str(begin, end, out); + auto size = to_unsigned(end - begin); + memcpy(out, begin, size * sizeof(U)); + return out + size; +} + +/** + \rst + A contiguous memory buffer with an optional growing ability. It is an internal + class and shouldn't be used directly, only via `~fmt::basic_memory_buffer`. + \endrst + */ +template class buffer { + private: + T* ptr_; + size_t size_; + size_t capacity_; + + protected: + // Don't initialize ptr_ since it is not accessed to save a few cycles. + FMT_MSC_WARNING(suppress : 26495) + buffer(size_t sz) noexcept : size_(sz), capacity_(sz) {} + + FMT_CONSTEXPR20 buffer(T* p = nullptr, size_t sz = 0, size_t cap = 0) noexcept + : ptr_(p), size_(sz), capacity_(cap) {} + + FMT_CONSTEXPR20 ~buffer() = default; + buffer(buffer&&) = default; + + /** Sets the buffer data and capacity. */ + FMT_CONSTEXPR void set(T* buf_data, size_t buf_capacity) noexcept { + ptr_ = buf_data; + capacity_ = buf_capacity; + } + + /** Increases the buffer capacity to hold at least *capacity* elements. */ + virtual FMT_CONSTEXPR20 void grow(size_t capacity) = 0; + + public: + using value_type = T; + using const_reference = const T&; + + buffer(const buffer&) = delete; + void operator=(const buffer&) = delete; + + auto begin() noexcept -> T* { return ptr_; } + auto end() noexcept -> T* { return ptr_ + size_; } + + auto begin() const noexcept -> const T* { return ptr_; } + auto end() const noexcept -> const T* { return ptr_ + size_; } + + /** Returns the size of this buffer. */ + constexpr auto size() const noexcept -> size_t { return size_; } + + /** Returns the capacity of this buffer. */ + constexpr auto capacity() const noexcept -> size_t { return capacity_; } + + /** Returns a pointer to the buffer data. */ + FMT_CONSTEXPR auto data() noexcept -> T* { return ptr_; } + + /** Returns a pointer to the buffer data. */ + FMT_CONSTEXPR auto data() const noexcept -> const T* { return ptr_; } + + /** Clears this buffer. */ + void clear() { size_ = 0; } + + // Tries resizing the buffer to contain *count* elements. If T is a POD type + // the new elements may not be initialized. + FMT_CONSTEXPR20 void try_resize(size_t count) { + try_reserve(count); + size_ = count <= capacity_ ? count : capacity_; + } + + // Tries increasing the buffer capacity to *new_capacity*. It can increase the + // capacity by a smaller amount than requested but guarantees there is space + // for at least one additional element either by increasing the capacity or by + // flushing the buffer if it is full. + FMT_CONSTEXPR20 void try_reserve(size_t new_capacity) { + if (new_capacity > capacity_) grow(new_capacity); + } + + FMT_CONSTEXPR20 void push_back(const T& value) { + try_reserve(size_ + 1); + ptr_[size_++] = value; + } + + /** Appends data to the end of the buffer. */ + template void append(const U* begin, const U* end); + + template FMT_CONSTEXPR auto operator[](Idx index) -> T& { + return ptr_[index]; + } + template + FMT_CONSTEXPR auto operator[](Idx index) const -> const T& { + return ptr_[index]; + } +}; + +struct buffer_traits { + explicit buffer_traits(size_t) {} + auto count() const -> size_t { return 0; } + auto limit(size_t size) -> size_t { return size; } +}; + +class fixed_buffer_traits { + private: + size_t count_ = 0; + size_t limit_; + + public: + explicit fixed_buffer_traits(size_t limit) : limit_(limit) {} + auto count() const -> size_t { return count_; } + auto limit(size_t size) -> size_t { + size_t n = limit_ > count_ ? limit_ - count_ : 0; + count_ += size; + return size < n ? size : n; + } +}; + +// A buffer that writes to an output iterator when flushed. +template +class iterator_buffer final : public Traits, public buffer { + private: + OutputIt out_; + enum { buffer_size = 256 }; + T data_[buffer_size]; + + protected: + FMT_CONSTEXPR20 void grow(size_t) override { + if (this->size() == buffer_size) flush(); + } + + void flush() { + auto size = this->size(); + this->clear(); + out_ = copy_str(data_, data_ + this->limit(size), out_); + } + + public: + explicit iterator_buffer(OutputIt out, size_t n = buffer_size) + : Traits(n), buffer(data_, 0, buffer_size), out_(out) {} + iterator_buffer(iterator_buffer&& other) + : Traits(other), buffer(data_, 0, buffer_size), out_(other.out_) {} + ~iterator_buffer() { flush(); } + + auto out() -> OutputIt { + flush(); + return out_; + } + auto count() const -> size_t { return Traits::count() + this->size(); } +}; + +template +class iterator_buffer final + : public fixed_buffer_traits, + public buffer { + private: + T* out_; + enum { buffer_size = 256 }; + T data_[buffer_size]; + + protected: + FMT_CONSTEXPR20 void grow(size_t) override { + if (this->size() == this->capacity()) flush(); + } + + void flush() { + size_t n = this->limit(this->size()); + if (this->data() == out_) { + out_ += n; + this->set(data_, buffer_size); + } + this->clear(); + } + + public: + explicit iterator_buffer(T* out, size_t n = buffer_size) + : fixed_buffer_traits(n), buffer(out, 0, n), out_(out) {} + iterator_buffer(iterator_buffer&& other) + : fixed_buffer_traits(other), + buffer(std::move(other)), + out_(other.out_) { + if (this->data() != out_) { + this->set(data_, buffer_size); + this->clear(); + } + } + ~iterator_buffer() { flush(); } + + auto out() -> T* { + flush(); + return out_; + } + auto count() const -> size_t { + return fixed_buffer_traits::count() + this->size(); + } +}; + +template class iterator_buffer final : public buffer { + protected: + FMT_CONSTEXPR20 void grow(size_t) override {} + + public: + explicit iterator_buffer(T* out, size_t = 0) : buffer(out, 0, ~size_t()) {} + + auto out() -> T* { return &*this->end(); } +}; + +// A buffer that writes to a container with the contiguous storage. +template +class iterator_buffer, + enable_if_t::value, + typename Container::value_type>> + final : public buffer { + private: + Container& container_; + + protected: + FMT_CONSTEXPR20 void grow(size_t capacity) override { + container_.resize(capacity); + this->set(&container_[0], capacity); + } + + public: + explicit iterator_buffer(Container& c) + : buffer(c.size()), container_(c) {} + explicit iterator_buffer(std::back_insert_iterator out, size_t = 0) + : iterator_buffer(get_container(out)) {} + + auto out() -> std::back_insert_iterator { + return std::back_inserter(container_); + } +}; + +// A buffer that counts the number of code units written discarding the output. +template class counting_buffer final : public buffer { + private: + enum { buffer_size = 256 }; + T data_[buffer_size]; + size_t count_ = 0; + + protected: + FMT_CONSTEXPR20 void grow(size_t) override { + if (this->size() != buffer_size) return; + count_ += this->size(); + this->clear(); + } + + public: + counting_buffer() : buffer(data_, 0, buffer_size) {} + + auto count() -> size_t { return count_ + this->size(); } +}; + +template +using buffer_appender = conditional_t::value, appender, + std::back_insert_iterator>>; + +// Maps an output iterator to a buffer. +template +auto get_buffer(OutputIt out) -> iterator_buffer { + return iterator_buffer(out); +} + +template +auto get_iterator(Buffer& buf) -> decltype(buf.out()) { + return buf.out(); +} +template auto get_iterator(buffer& buf) -> buffer_appender { + return buffer_appender(buf); +} + +template +struct fallback_formatter { + fallback_formatter() = delete; +}; + +// Specifies if T has an enabled fallback_formatter specialization. +template +using has_fallback_formatter = +#ifdef FMT_DEPRECATED_OSTREAM + std::is_constructible>; +#else + std::false_type; +#endif + +struct view {}; + +template struct named_arg : view { + const Char* name; + const T& value; + named_arg(const Char* n, const T& v) : name(n), value(v) {} +}; + +template struct named_arg_info { + const Char* name; + int id; +}; + +template +struct arg_data { + // args_[0].named_args points to named_args_ to avoid bloating format_args. + // +1 to workaround a bug in gcc 7.5 that causes duplicated-branches warning. + T args_[1 + (NUM_ARGS != 0 ? NUM_ARGS : +1)]; + named_arg_info named_args_[NUM_NAMED_ARGS]; + + template + arg_data(const U&... init) : args_{T(named_args_, NUM_NAMED_ARGS), init...} {} + arg_data(const arg_data& other) = delete; + auto args() const -> const T* { return args_ + 1; } + auto named_args() -> named_arg_info* { return named_args_; } +}; + +template +struct arg_data { + // +1 to workaround a bug in gcc 7.5 that causes duplicated-branches warning. + T args_[NUM_ARGS != 0 ? NUM_ARGS : +1]; + + template + FMT_CONSTEXPR FMT_INLINE arg_data(const U&... init) : args_{init...} {} + FMT_CONSTEXPR FMT_INLINE auto args() const -> const T* { return args_; } + FMT_CONSTEXPR FMT_INLINE auto named_args() -> std::nullptr_t { + return nullptr; + } +}; + +template +inline void init_named_args(named_arg_info*, int, int) {} + +template struct is_named_arg : std::false_type {}; +template struct is_statically_named_arg : std::false_type {}; + +template +struct is_named_arg> : std::true_type {}; + +template ::value)> +void init_named_args(named_arg_info* named_args, int arg_count, + int named_arg_count, const T&, const Tail&... args) { + init_named_args(named_args, arg_count + 1, named_arg_count, args...); +} + +template ::value)> +void init_named_args(named_arg_info* named_args, int arg_count, + int named_arg_count, const T& arg, const Tail&... args) { + named_args[named_arg_count++] = {arg.name, arg_count}; + init_named_args(named_args, arg_count + 1, named_arg_count, args...); +} + +template +FMT_CONSTEXPR FMT_INLINE void init_named_args(std::nullptr_t, int, int, + const Args&...) {} + +template constexpr auto count() -> size_t { return B ? 1 : 0; } +template constexpr auto count() -> size_t { + return (B1 ? 1 : 0) + count(); +} + +template constexpr auto count_named_args() -> size_t { + return count::value...>(); +} + +template +constexpr auto count_statically_named_args() -> size_t { + return count::value...>(); +} + +struct unformattable {}; +struct unformattable_char : unformattable {}; +struct unformattable_const : unformattable {}; +struct unformattable_pointer : unformattable {}; + +template struct string_value { + const Char* data; + size_t size; +}; + +template struct named_arg_value { + const named_arg_info* data; + size_t size; +}; + +template struct custom_value { + using parse_context = typename Context::parse_context_type; + void* value; + void (*format)(void* arg, parse_context& parse_ctx, Context& ctx); +}; + +// A formatting argument value. +template class value { + public: + using char_type = typename Context::char_type; + + union { + monostate no_value; + int int_value; + unsigned uint_value; + long long long_long_value; + unsigned long long ulong_long_value; + int128_opt int128_value; + uint128_opt uint128_value; + bool bool_value; + char_type char_value; + float float_value; + double double_value; + long double long_double_value; + const void* pointer; + string_value string; + custom_value custom; + named_arg_value named_args; + }; + + constexpr FMT_INLINE value() : no_value() {} + constexpr FMT_INLINE value(int val) : int_value(val) {} + constexpr FMT_INLINE value(unsigned val) : uint_value(val) {} + constexpr FMT_INLINE value(long long val) : long_long_value(val) {} + constexpr FMT_INLINE value(unsigned long long val) : ulong_long_value(val) {} + FMT_INLINE value(int128_opt val) : int128_value(val) {} + FMT_INLINE value(uint128_opt val) : uint128_value(val) {} + constexpr FMT_INLINE value(float val) : float_value(val) {} + constexpr FMT_INLINE value(double val) : double_value(val) {} + FMT_INLINE value(long double val) : long_double_value(val) {} + constexpr FMT_INLINE value(bool val) : bool_value(val) {} + constexpr FMT_INLINE value(char_type val) : char_value(val) {} + FMT_CONSTEXPR FMT_INLINE value(const char_type* val) { + string.data = val; + if (is_constant_evaluated()) string.size = {}; + } + FMT_CONSTEXPR FMT_INLINE value(basic_string_view val) { + string.data = val.data(); + string.size = val.size(); + } + FMT_INLINE value(const void* val) : pointer(val) {} + FMT_INLINE value(const named_arg_info* args, size_t size) + : named_args{args, size} {} + + template FMT_CONSTEXPR FMT_INLINE value(T& val) { + using value_type = remove_cvref_t; + custom.value = const_cast(&val); + // Get the formatter type through the context to allow different contexts + // have different extension points, e.g. `formatter` for `format` and + // `printf_formatter` for `printf`. + custom.format = format_custom_arg< + value_type, + conditional_t::value, + typename Context::template formatter_type, + fallback_formatter>>; + } + value(unformattable); + value(unformattable_char); + value(unformattable_const); + value(unformattable_pointer); + + private: + // Formats an argument of a custom type, such as a user-defined class. + template + static void format_custom_arg(void* arg, + typename Context::parse_context_type& parse_ctx, + Context& ctx) { + auto f = Formatter(); + parse_ctx.advance_to(f.parse(parse_ctx)); + using qualified_type = + conditional_t(), const T, T>; + ctx.advance_to(f.format(*static_cast(arg), ctx)); + } +}; + +template +FMT_CONSTEXPR auto make_arg(T&& value) -> basic_format_arg; + +// To minimize the number of types we need to deal with, long is translated +// either to int or to long long depending on its size. +enum { long_short = sizeof(long) == sizeof(int) }; +using long_type = conditional_t; +using ulong_type = conditional_t; + +#ifdef __cpp_lib_byte +inline auto format_as(std::byte b) -> unsigned char { + return static_cast(b); +} +#endif + +template struct has_format_as { + template ::value&& std::is_integral::value)> + static auto check(U*) -> std::true_type; + static auto check(...) -> std::false_type; + + enum { value = decltype(check(static_cast(nullptr)))::value }; +}; + +// Maps formatting arguments to core types. +// arg_mapper reports errors by returning unformattable instead of using +// static_assert because it's used in the is_formattable trait. +template struct arg_mapper { + using char_type = typename Context::char_type; + + FMT_CONSTEXPR FMT_INLINE auto map(signed char val) -> int { return val; } + FMT_CONSTEXPR FMT_INLINE auto map(unsigned char val) -> unsigned { + return val; + } + FMT_CONSTEXPR FMT_INLINE auto map(short val) -> int { return val; } + FMT_CONSTEXPR FMT_INLINE auto map(unsigned short val) -> unsigned { + return val; + } + FMT_CONSTEXPR FMT_INLINE auto map(int val) -> int { return val; } + FMT_CONSTEXPR FMT_INLINE auto map(unsigned val) -> unsigned { return val; } + FMT_CONSTEXPR FMT_INLINE auto map(long val) -> long_type { return val; } + FMT_CONSTEXPR FMT_INLINE auto map(unsigned long val) -> ulong_type { + return val; + } + FMT_CONSTEXPR FMT_INLINE auto map(long long val) -> long long { return val; } + FMT_CONSTEXPR FMT_INLINE auto map(unsigned long long val) + -> unsigned long long { + return val; + } + FMT_CONSTEXPR FMT_INLINE auto map(int128_opt val) -> int128_opt { + return val; + } + FMT_CONSTEXPR FMT_INLINE auto map(uint128_opt val) -> uint128_opt { + return val; + } + FMT_CONSTEXPR FMT_INLINE auto map(bool val) -> bool { return val; } + + template ::value || + std::is_same::value)> + FMT_CONSTEXPR FMT_INLINE auto map(T val) -> char_type { + return val; + } + template ::value || +#ifdef __cpp_char8_t + std::is_same::value || +#endif + std::is_same::value || + std::is_same::value) && + !std::is_same::value, + int> = 0> + FMT_CONSTEXPR FMT_INLINE auto map(T) -> unformattable_char { + return {}; + } + + FMT_CONSTEXPR FMT_INLINE auto map(float val) -> float { return val; } + FMT_CONSTEXPR FMT_INLINE auto map(double val) -> double { return val; } + FMT_CONSTEXPR FMT_INLINE auto map(long double val) -> long double { + return val; + } + + FMT_CONSTEXPR FMT_INLINE auto map(char_type* val) -> const char_type* { + return val; + } + FMT_CONSTEXPR FMT_INLINE auto map(const char_type* val) -> const char_type* { + return val; + } + template ::value && !std::is_pointer::value && + std::is_same>::value)> + FMT_CONSTEXPR FMT_INLINE auto map(const T& val) + -> basic_string_view { + return to_string_view(val); + } + template ::value && !std::is_pointer::value && + !std::is_same>::value)> + FMT_CONSTEXPR FMT_INLINE auto map(const T&) -> unformattable_char { + return {}; + } + template >::value && + !is_string::value && !has_formatter::value && + !has_fallback_formatter::value)> + FMT_CONSTEXPR FMT_INLINE auto map(const T& val) + -> basic_string_view { + return basic_string_view(val); + } + template >::value && + !std::is_convertible>::value && + !is_string::value && !has_formatter::value && + !has_fallback_formatter::value)> + FMT_CONSTEXPR FMT_INLINE auto map(const T& val) + -> basic_string_view { + return std_string_view(val); + } + + FMT_CONSTEXPR FMT_INLINE auto map(void* val) -> const void* { return val; } + FMT_CONSTEXPR FMT_INLINE auto map(const void* val) -> const void* { + return val; + } + FMT_CONSTEXPR FMT_INLINE auto map(std::nullptr_t val) -> const void* { + return val; + } + + // We use SFINAE instead of a const T* parameter to avoid conflicting with + // the C array overload. + template < + typename T, + FMT_ENABLE_IF( + std::is_pointer::value || std::is_member_pointer::value || + std::is_function::type>::value || + (std::is_convertible::value && + !std::is_convertible::value && + !has_formatter::value))> + FMT_CONSTEXPR auto map(const T&) -> unformattable_pointer { + return {}; + } + + template ::value)> + FMT_CONSTEXPR FMT_INLINE auto map(const T (&values)[N]) -> const T (&)[N] { + return values; + } + + template ::value&& std::is_convertible::value && + !has_format_as::value && !has_formatter::value && + !has_fallback_formatter::value)> + FMT_DEPRECATED FMT_CONSTEXPR FMT_INLINE auto map(const T& val) + -> decltype(std::declval().map( + static_cast>(val))) { + return map(static_cast>(val)); + } + + template ::value && + !has_formatter::value)> + FMT_CONSTEXPR FMT_INLINE auto map(const T& val) + -> decltype(std::declval().map(format_as(T()))) { + return map(format_as(val)); + } + + template > + struct formattable + : bool_constant() || + !std::is_const>::value || + has_fallback_formatter::value> {}; + +#if (FMT_MSC_VERSION != 0 && FMT_MSC_VERSION < 1910) || \ + FMT_ICC_VERSION != 0 || defined(__NVCC__) + // Workaround a bug in MSVC and Intel (Issue 2746). + template FMT_CONSTEXPR FMT_INLINE auto do_map(T&& val) -> T& { + return val; + } +#else + template ::value)> + FMT_CONSTEXPR FMT_INLINE auto do_map(T&& val) -> T& { + return val; + } + template ::value)> + FMT_CONSTEXPR FMT_INLINE auto do_map(T&&) -> unformattable_const { + return {}; + } +#endif + + template , + FMT_ENABLE_IF(!is_string::value && !is_char::value && + !std::is_array::value && + !std::is_pointer::value && + !has_format_as::value && + (has_formatter::value || + has_fallback_formatter::value))> + FMT_CONSTEXPR FMT_INLINE auto map(T&& val) + -> decltype(this->do_map(std::forward(val))) { + return do_map(std::forward(val)); + } + + template ::value)> + FMT_CONSTEXPR FMT_INLINE auto map(const T& named_arg) + -> decltype(std::declval().map(named_arg.value)) { + return map(named_arg.value); + } + + auto map(...) -> unformattable { return {}; } +}; + +// A type constant after applying arg_mapper. +template +using mapped_type_constant = + type_constant().map(std::declval())), + typename Context::char_type>; + +enum { packed_arg_bits = 4 }; +// Maximum number of arguments with packed types. +enum { max_packed_args = 62 / packed_arg_bits }; +enum : unsigned long long { is_unpacked_bit = 1ULL << 63 }; +enum : unsigned long long { has_named_args_bit = 1ULL << 62 }; + +FMT_END_DETAIL_NAMESPACE + +// An output iterator that appends to a buffer. +// It is used to reduce symbol sizes for the common case. +class appender : public std::back_insert_iterator> { + using base = std::back_insert_iterator>; + + template + friend auto get_buffer(appender out) -> detail::buffer& { + return detail::get_container(out); + } + + public: + using std::back_insert_iterator>::back_insert_iterator; + appender(base it) noexcept : base(it) {} + FMT_UNCHECKED_ITERATOR(appender); + + auto operator++() noexcept -> appender& { return *this; } + auto operator++(int) noexcept -> appender { return *this; } +}; + +// A formatting argument. It is a trivially copyable/constructible type to +// allow storage in basic_memory_buffer. +template class basic_format_arg { + private: + detail::value value_; + detail::type type_; + + template + friend FMT_CONSTEXPR auto detail::make_arg(T&& value) + -> basic_format_arg; + + template + friend FMT_CONSTEXPR auto visit_format_arg(Visitor&& vis, + const basic_format_arg& arg) + -> decltype(vis(0)); + + friend class basic_format_args; + friend class dynamic_format_arg_store; + + using char_type = typename Context::char_type; + + template + friend struct detail::arg_data; + + basic_format_arg(const detail::named_arg_info* args, size_t size) + : value_(args, size) {} + + public: + class handle { + public: + explicit handle(detail::custom_value custom) : custom_(custom) {} + + void format(typename Context::parse_context_type& parse_ctx, + Context& ctx) const { + custom_.format(custom_.value, parse_ctx, ctx); + } + + private: + detail::custom_value custom_; + }; + + constexpr basic_format_arg() : type_(detail::type::none_type) {} + + constexpr explicit operator bool() const noexcept { + return type_ != detail::type::none_type; + } + + auto type() const -> detail::type { return type_; } + + auto is_integral() const -> bool { return detail::is_integral_type(type_); } + auto is_arithmetic() const -> bool { + return detail::is_arithmetic_type(type_); + } +}; + +/** + \rst + Visits an argument dispatching to the appropriate visit method based on + the argument type. For example, if the argument type is ``double`` then + ``vis(value)`` will be called with the value of type ``double``. + \endrst + */ +template +FMT_CONSTEXPR FMT_INLINE auto visit_format_arg( + Visitor&& vis, const basic_format_arg& arg) -> decltype(vis(0)) { + switch (arg.type_) { + case detail::type::none_type: + break; + case detail::type::int_type: + return vis(arg.value_.int_value); + case detail::type::uint_type: + return vis(arg.value_.uint_value); + case detail::type::long_long_type: + return vis(arg.value_.long_long_value); + case detail::type::ulong_long_type: + return vis(arg.value_.ulong_long_value); + case detail::type::int128_type: + return vis(detail::convert_for_visit(arg.value_.int128_value)); + case detail::type::uint128_type: + return vis(detail::convert_for_visit(arg.value_.uint128_value)); + case detail::type::bool_type: + return vis(arg.value_.bool_value); + case detail::type::char_type: + return vis(arg.value_.char_value); + case detail::type::float_type: + return vis(arg.value_.float_value); + case detail::type::double_type: + return vis(arg.value_.double_value); + case detail::type::long_double_type: + return vis(arg.value_.long_double_value); + case detail::type::cstring_type: + return vis(arg.value_.string.data); + case detail::type::string_type: + using sv = basic_string_view; + return vis(sv(arg.value_.string.data, arg.value_.string.size)); + case detail::type::pointer_type: + return vis(arg.value_.pointer); + case detail::type::custom_type: + return vis(typename basic_format_arg::handle(arg.value_.custom)); + } + return vis(monostate()); +} + +FMT_BEGIN_DETAIL_NAMESPACE + +template +auto copy_str(InputIt begin, InputIt end, appender out) -> appender { + get_container(out).append(begin, end); + return out; +} + +template +FMT_CONSTEXPR auto copy_str(R&& rng, OutputIt out) -> OutputIt { + return detail::copy_str(rng.begin(), rng.end(), out); +} + +#if FMT_GCC_VERSION && FMT_GCC_VERSION < 500 +// A workaround for gcc 4.8 to make void_t work in a SFINAE context. +template struct void_t_impl { using type = void; }; +template +using void_t = typename detail::void_t_impl::type; +#else +template using void_t = void; +#endif + +template +struct is_output_iterator : std::false_type {}; + +template +struct is_output_iterator< + It, T, + void_t::iterator_category, + decltype(*std::declval() = std::declval())>> + : std::true_type {}; + +template +struct is_back_insert_iterator : std::false_type {}; +template +struct is_back_insert_iterator> + : std::true_type {}; + +template +struct is_contiguous_back_insert_iterator : std::false_type {}; +template +struct is_contiguous_back_insert_iterator> + : is_contiguous {}; +template <> +struct is_contiguous_back_insert_iterator : std::true_type {}; + +// A type-erased reference to an std::locale to avoid a heavy include. +class locale_ref { + private: + const void* locale_; // A type-erased pointer to std::locale. + + public: + constexpr locale_ref() : locale_(nullptr) {} + template explicit locale_ref(const Locale& loc); + + explicit operator bool() const noexcept { return locale_ != nullptr; } + + template auto get() const -> Locale; +}; + +template constexpr auto encode_types() -> unsigned long long { + return 0; +} + +template +constexpr auto encode_types() -> unsigned long long { + return static_cast(mapped_type_constant::value) | + (encode_types() << packed_arg_bits); +} + +template +FMT_CONSTEXPR FMT_INLINE auto make_value(T&& val) -> value { + const auto& arg = arg_mapper().map(FMT_FORWARD(val)); + + constexpr bool formattable_char = + !std::is_same::value; + static_assert(formattable_char, "Mixing character types is disallowed."); + + constexpr bool formattable_const = + !std::is_same::value; + static_assert(formattable_const, "Cannot format a const argument."); + + // Formatting of arbitrary pointers is disallowed. If you want to output + // a pointer cast it to "void *" or "const void *". In particular, this + // forbids formatting of "[const] volatile char *" which is printed as bool + // by iostreams. + constexpr bool formattable_pointer = + !std::is_same::value; + static_assert(formattable_pointer, + "Formatting of non-void pointers is disallowed."); + + constexpr bool formattable = + !std::is_same::value; + static_assert( + formattable, + "Cannot format an argument. To make type T formattable provide a " + "formatter specialization: https://fmt.dev/latest/api.html#udt"); + return {arg}; +} + +template +FMT_CONSTEXPR auto make_arg(T&& value) -> basic_format_arg { + basic_format_arg arg; + arg.type_ = mapped_type_constant::value; + arg.value_ = make_value(value); + return arg; +} + +// The type template parameter is there to avoid an ODR violation when using +// a fallback formatter in one translation unit and an implicit conversion in +// another (not recommended). +template +FMT_CONSTEXPR FMT_INLINE auto make_arg(T&& val) -> value { + return make_value(val); +} + +template +FMT_CONSTEXPR inline auto make_arg(T&& value) -> basic_format_arg { + return make_arg(value); +} +FMT_END_DETAIL_NAMESPACE + +// Formatting context. +template class basic_format_context { + public: + /** The character type for the output. */ + using char_type = Char; + + private: + OutputIt out_; + basic_format_args args_; + detail::locale_ref loc_; + + public: + using iterator = OutputIt; + using format_arg = basic_format_arg; + using parse_context_type = basic_format_parse_context; + template using formatter_type = formatter; + + basic_format_context(basic_format_context&&) = default; + basic_format_context(const basic_format_context&) = delete; + void operator=(const basic_format_context&) = delete; + /** + Constructs a ``basic_format_context`` object. References to the arguments are + stored in the object so make sure they have appropriate lifetimes. + */ + constexpr basic_format_context( + OutputIt out, basic_format_args ctx_args, + detail::locale_ref loc = detail::locale_ref()) + : out_(out), args_(ctx_args), loc_(loc) {} + + constexpr auto arg(int id) const -> format_arg { return args_.get(id); } + FMT_CONSTEXPR auto arg(basic_string_view name) -> format_arg { + return args_.get(name); + } + FMT_CONSTEXPR auto arg_id(basic_string_view name) -> int { + return args_.get_id(name); + } + auto args() const -> const basic_format_args& { + return args_; + } + + FMT_CONSTEXPR auto error_handler() -> detail::error_handler { return {}; } + void on_error(const char* message) { error_handler().on_error(message); } + + // Returns an iterator to the beginning of the output range. + FMT_CONSTEXPR auto out() -> iterator { return out_; } + + // Advances the begin iterator to ``it``. + void advance_to(iterator it) { + if (!detail::is_back_insert_iterator()) out_ = it; + } + + FMT_CONSTEXPR auto locale() -> detail::locale_ref { return loc_; } +}; + +template +using buffer_context = + basic_format_context, Char>; +using format_context = buffer_context; + +// Workaround an alias issue: https://stackoverflow.com/q/62767544/471164. +#define FMT_BUFFER_CONTEXT(Char) \ + basic_format_context, Char> + +template +using is_formattable = bool_constant< + !std::is_base_of>().map( + std::declval()))>::value && + !detail::has_fallback_formatter::value>; + +/** + \rst + An array of references to arguments. It can be implicitly converted into + `~fmt::basic_format_args` for passing into type-erased formatting functions + such as `~fmt::vformat`. + \endrst + */ +template +class format_arg_store +#if FMT_GCC_VERSION && FMT_GCC_VERSION < 409 + // Workaround a GCC template argument substitution bug. + : public basic_format_args +#endif +{ + private: + static const size_t num_args = sizeof...(Args); + static const size_t num_named_args = detail::count_named_args(); + static const bool is_packed = num_args <= detail::max_packed_args; + + using value_type = conditional_t, + basic_format_arg>; + + detail::arg_data + data_; + + friend class basic_format_args; + + static constexpr unsigned long long desc = + (is_packed ? detail::encode_types() + : detail::is_unpacked_bit | num_args) | + (num_named_args != 0 + ? static_cast(detail::has_named_args_bit) + : 0); + + public: + template + FMT_CONSTEXPR FMT_INLINE format_arg_store(T&&... args) + : +#if FMT_GCC_VERSION && FMT_GCC_VERSION < 409 + basic_format_args(*this), +#endif + data_{detail::make_arg< + is_packed, Context, + detail::mapped_type_constant, Context>::value>( + FMT_FORWARD(args))...} { + detail::init_named_args(data_.named_args(), 0, 0, args...); + } +}; + +/** + \rst + Constructs a `~fmt::format_arg_store` object that contains references to + arguments and can be implicitly converted to `~fmt::format_args`. `Context` + can be omitted in which case it defaults to `~fmt::context`. + See `~fmt::arg` for lifetime considerations. + \endrst + */ +template +constexpr auto make_format_args(Args&&... args) + -> format_arg_store...> { + return {FMT_FORWARD(args)...}; +} + +/** + \rst + Returns a named argument to be used in a formatting function. + It should only be used in a call to a formatting function or + `dynamic_format_arg_store::push_back`. + + **Example**:: + + fmt::print("Elapsed time: {s:.2f} seconds", fmt::arg("s", 1.23)); + \endrst + */ +template +inline auto arg(const Char* name, const T& arg) -> detail::named_arg { + static_assert(!detail::is_named_arg(), "nested named arguments"); + return {name, arg}; +} + +/** + \rst + A view of a collection of formatting arguments. To avoid lifetime issues it + should only be used as a parameter type in type-erased functions such as + ``vformat``:: + + void vlog(string_view format_str, format_args args); // OK + format_args args = make_format_args(42); // Error: dangling reference + \endrst + */ +template class basic_format_args { + public: + using size_type = int; + using format_arg = basic_format_arg; + + private: + // A descriptor that contains information about formatting arguments. + // If the number of arguments is less or equal to max_packed_args then + // argument types are passed in the descriptor. This reduces binary code size + // per formatting function call. + unsigned long long desc_; + union { + // If is_packed() returns true then argument values are stored in values_; + // otherwise they are stored in args_. This is done to improve cache + // locality and reduce compiled code size since storing larger objects + // may require more code (at least on x86-64) even if the same amount of + // data is actually copied to stack. It saves ~10% on the bloat test. + const detail::value* values_; + const format_arg* args_; + }; + + constexpr auto is_packed() const -> bool { + return (desc_ & detail::is_unpacked_bit) == 0; + } + auto has_named_args() const -> bool { + return (desc_ & detail::has_named_args_bit) != 0; + } + + FMT_CONSTEXPR auto type(int index) const -> detail::type { + int shift = index * detail::packed_arg_bits; + unsigned int mask = (1 << detail::packed_arg_bits) - 1; + return static_cast((desc_ >> shift) & mask); + } + + constexpr FMT_INLINE basic_format_args(unsigned long long desc, + const detail::value* values) + : desc_(desc), values_(values) {} + constexpr basic_format_args(unsigned long long desc, const format_arg* args) + : desc_(desc), args_(args) {} + + public: + constexpr basic_format_args() : desc_(0), args_(nullptr) {} + + /** + \rst + Constructs a `basic_format_args` object from `~fmt::format_arg_store`. + \endrst + */ + template + constexpr FMT_INLINE basic_format_args( + const format_arg_store& store) + : basic_format_args(format_arg_store::desc, + store.data_.args()) {} + + /** + \rst + Constructs a `basic_format_args` object from + `~fmt::dynamic_format_arg_store`. + \endrst + */ + constexpr FMT_INLINE basic_format_args( + const dynamic_format_arg_store& store) + : basic_format_args(store.get_types(), store.data()) {} + + /** + \rst + Constructs a `basic_format_args` object from a dynamic set of arguments. + \endrst + */ + constexpr basic_format_args(const format_arg* args, int count) + : basic_format_args(detail::is_unpacked_bit | detail::to_unsigned(count), + args) {} + + /** Returns the argument with the specified id. */ + FMT_CONSTEXPR auto get(int id) const -> format_arg { + format_arg arg; + if (!is_packed()) { + if (id < max_size()) arg = args_[id]; + return arg; + } + if (id >= detail::max_packed_args) return arg; + arg.type_ = type(id); + if (arg.type_ == detail::type::none_type) return arg; + arg.value_ = values_[id]; + return arg; + } + + template + auto get(basic_string_view name) const -> format_arg { + int id = get_id(name); + return id >= 0 ? get(id) : format_arg(); + } + + template + auto get_id(basic_string_view name) const -> int { + if (!has_named_args()) return -1; + const auto& named_args = + (is_packed() ? values_[-1] : args_[-1].value_).named_args; + for (size_t i = 0; i < named_args.size; ++i) { + if (named_args.data[i].name == name) return named_args.data[i].id; + } + return -1; + } + + auto max_size() const -> int { + unsigned long long max_packed = detail::max_packed_args; + return static_cast(is_packed() ? max_packed + : desc_ & ~detail::is_unpacked_bit); + } +}; + +/** An alias to ``basic_format_args``. */ +// A separate type would result in shorter symbols but break ABI compatibility +// between clang and gcc on ARM (#1919). +using format_args = basic_format_args; + +// We cannot use enum classes as bit fields because of a gcc bug, so we put them +// in namespaces instead (https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61414). +// Additionally, if an underlying type is specified, older gcc incorrectly warns +// that the type is too small. Both bugs are fixed in gcc 9.3. +#if FMT_GCC_VERSION && FMT_GCC_VERSION < 903 +# define FMT_ENUM_UNDERLYING_TYPE(type) +#else +# define FMT_ENUM_UNDERLYING_TYPE(type) : type +#endif +namespace align { +enum type FMT_ENUM_UNDERLYING_TYPE(unsigned char){none, left, right, center, + numeric}; +} +using align_t = align::type; +namespace sign { +enum type FMT_ENUM_UNDERLYING_TYPE(unsigned char){none, minus, plus, space}; +} +using sign_t = sign::type; + +FMT_BEGIN_DETAIL_NAMESPACE + +// Workaround an array initialization issue in gcc 4.8. +template struct fill_t { + private: + enum { max_size = 4 }; + Char data_[max_size] = {Char(' '), Char(0), Char(0), Char(0)}; + unsigned char size_ = 1; + + public: + FMT_CONSTEXPR void operator=(basic_string_view s) { + auto size = s.size(); + if (size > max_size) return throw_format_error("invalid fill"); + for (size_t i = 0; i < size; ++i) data_[i] = s[i]; + size_ = static_cast(size); + } + + constexpr auto size() const -> size_t { return size_; } + constexpr auto data() const -> const Char* { return data_; } + + FMT_CONSTEXPR auto operator[](size_t index) -> Char& { return data_[index]; } + FMT_CONSTEXPR auto operator[](size_t index) const -> const Char& { + return data_[index]; + } +}; +FMT_END_DETAIL_NAMESPACE + +enum class presentation_type : unsigned char { + none, + // Integer types should go first, + dec, // 'd' + oct, // 'o' + hex_lower, // 'x' + hex_upper, // 'X' + bin_lower, // 'b' + bin_upper, // 'B' + hexfloat_lower, // 'a' + hexfloat_upper, // 'A' + exp_lower, // 'e' + exp_upper, // 'E' + fixed_lower, // 'f' + fixed_upper, // 'F' + general_lower, // 'g' + general_upper, // 'G' + chr, // 'c' + string, // 's' + pointer, // 'p' + debug // '?' +}; + +// Format specifiers for built-in and string types. +template struct basic_format_specs { + int width; + int precision; + presentation_type type; + align_t align : 4; + sign_t sign : 3; + bool alt : 1; // Alternate form ('#'). + bool localized : 1; + detail::fill_t fill; + + constexpr basic_format_specs() + : width(0), + precision(-1), + type(presentation_type::none), + align(align::none), + sign(sign::none), + alt(false), + localized(false) {} +}; + +using format_specs = basic_format_specs; + +FMT_BEGIN_DETAIL_NAMESPACE + +enum class arg_id_kind { none, index, name }; + +// An argument reference. +template struct arg_ref { + FMT_CONSTEXPR arg_ref() : kind(arg_id_kind::none), val() {} + + FMT_CONSTEXPR explicit arg_ref(int index) + : kind(arg_id_kind::index), val(index) {} + FMT_CONSTEXPR explicit arg_ref(basic_string_view name) + : kind(arg_id_kind::name), val(name) {} + + FMT_CONSTEXPR auto operator=(int idx) -> arg_ref& { + kind = arg_id_kind::index; + val.index = idx; + return *this; + } + + arg_id_kind kind; + union value { + FMT_CONSTEXPR value(int id = 0) : index{id} {} + FMT_CONSTEXPR value(basic_string_view n) : name(n) {} + + int index; + basic_string_view name; + } val; +}; + +// Format specifiers with width and precision resolved at formatting rather +// than parsing time to allow re-using the same parsed specifiers with +// different sets of arguments (precompilation of format strings). +template +struct dynamic_format_specs : basic_format_specs { + arg_ref width_ref; + arg_ref precision_ref; +}; + +struct auto_id {}; + +// A format specifier handler that sets fields in basic_format_specs. +template class specs_setter { + protected: + basic_format_specs& specs_; + + public: + explicit FMT_CONSTEXPR specs_setter(basic_format_specs& specs) + : specs_(specs) {} + + FMT_CONSTEXPR specs_setter(const specs_setter& other) + : specs_(other.specs_) {} + + FMT_CONSTEXPR void on_align(align_t align) { specs_.align = align; } + FMT_CONSTEXPR void on_fill(basic_string_view fill) { + specs_.fill = fill; + } + FMT_CONSTEXPR void on_sign(sign_t s) { specs_.sign = s; } + FMT_CONSTEXPR void on_hash() { specs_.alt = true; } + FMT_CONSTEXPR void on_localized() { specs_.localized = true; } + + FMT_CONSTEXPR void on_zero() { + if (specs_.align == align::none) specs_.align = align::numeric; + specs_.fill[0] = Char('0'); + } + + FMT_CONSTEXPR void on_width(int width) { specs_.width = width; } + FMT_CONSTEXPR void on_precision(int precision) { + specs_.precision = precision; + } + FMT_CONSTEXPR void end_precision() {} + + FMT_CONSTEXPR void on_type(presentation_type type) { specs_.type = type; } +}; + +// Format spec handler that saves references to arguments representing dynamic +// width and precision to be resolved at formatting time. +template +class dynamic_specs_handler + : public specs_setter { + public: + using char_type = typename ParseContext::char_type; + + FMT_CONSTEXPR dynamic_specs_handler(dynamic_format_specs& specs, + ParseContext& ctx) + : specs_setter(specs), specs_(specs), context_(ctx) {} + + FMT_CONSTEXPR dynamic_specs_handler(const dynamic_specs_handler& other) + : specs_setter(other), + specs_(other.specs_), + context_(other.context_) {} + + template FMT_CONSTEXPR void on_dynamic_width(Id arg_id) { + specs_.width_ref = make_arg_ref(arg_id); + } + + template FMT_CONSTEXPR void on_dynamic_precision(Id arg_id) { + specs_.precision_ref = make_arg_ref(arg_id); + } + + FMT_CONSTEXPR void on_error(const char* message) { + context_.on_error(message); + } + + private: + dynamic_format_specs& specs_; + ParseContext& context_; + + using arg_ref_type = arg_ref; + + FMT_CONSTEXPR auto make_arg_ref(int arg_id) -> arg_ref_type { + context_.check_arg_id(arg_id); + context_.check_dynamic_spec(arg_id); + return arg_ref_type(arg_id); + } + + FMT_CONSTEXPR auto make_arg_ref(auto_id) -> arg_ref_type { + int arg_id = context_.next_arg_id(); + context_.check_dynamic_spec(arg_id); + return arg_ref_type(arg_id); + } + + FMT_CONSTEXPR auto make_arg_ref(basic_string_view arg_id) + -> arg_ref_type { + context_.check_arg_id(arg_id); + basic_string_view format_str( + context_.begin(), to_unsigned(context_.end() - context_.begin())); + return arg_ref_type(arg_id); + } +}; + +template constexpr bool is_ascii_letter(Char c) { + return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z'); +} + +// Converts a character to ASCII. Returns a number > 127 on conversion failure. +template ::value)> +constexpr auto to_ascii(Char c) -> Char { + return c; +} +template ::value)> +constexpr auto to_ascii(Char c) -> underlying_t { + return c; +} + +FMT_CONSTEXPR inline auto code_point_length_impl(char c) -> int { + return "\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\0\0\0\0\0\0\0\0\2\2\2\2\3\3\4" + [static_cast(c) >> 3]; +} + +template +FMT_CONSTEXPR auto code_point_length(const Char* begin) -> int { + if (const_check(sizeof(Char) != 1)) return 1; + int len = code_point_length_impl(static_cast(*begin)); + + // Compute the pointer to the next character early so that the next + // iteration can start working on the next character. Neither Clang + // nor GCC figure out this reordering on their own. + return len + !len; +} + +// Return the result via the out param to workaround gcc bug 77539. +template +FMT_CONSTEXPR auto find(Ptr first, Ptr last, T value, Ptr& out) -> bool { + for (out = first; out != last; ++out) { + if (*out == value) return true; + } + return false; +} + +template <> +inline auto find(const char* first, const char* last, char value, + const char*& out) -> bool { + out = static_cast( + std::memchr(first, value, to_unsigned(last - first))); + return out != nullptr; +} + +// Parses the range [begin, end) as an unsigned integer. This function assumes +// that the range is non-empty and the first character is a digit. +template +FMT_CONSTEXPR auto parse_nonnegative_int(const Char*& begin, const Char* end, + int error_value) noexcept -> int { + FMT_ASSERT(begin != end && '0' <= *begin && *begin <= '9', ""); + unsigned value = 0, prev = 0; + auto p = begin; + do { + prev = value; + value = value * 10 + unsigned(*p - '0'); + ++p; + } while (p != end && '0' <= *p && *p <= '9'); + auto num_digits = p - begin; + begin = p; + if (num_digits <= std::numeric_limits::digits10) + return static_cast(value); + // Check for overflow. + const unsigned max = to_unsigned((std::numeric_limits::max)()); + return num_digits == std::numeric_limits::digits10 + 1 && + prev * 10ull + unsigned(p[-1] - '0') <= max + ? static_cast(value) + : error_value; +} + +// Parses fill and alignment. +template +FMT_CONSTEXPR auto parse_align(const Char* begin, const Char* end, + Handler&& handler) -> const Char* { + FMT_ASSERT(begin != end, ""); + auto align = align::none; + auto p = begin + code_point_length(begin); + if (end - p <= 0) p = begin; + for (;;) { + switch (to_ascii(*p)) { + case '<': + align = align::left; + break; + case '>': + align = align::right; + break; + case '^': + align = align::center; + break; + default: + break; + } + if (align != align::none) { + if (p != begin) { + auto c = *begin; + if (c == '{') + return handler.on_error("invalid fill character '{'"), begin; + handler.on_fill(basic_string_view(begin, to_unsigned(p - begin))); + begin = p + 1; + } else + ++begin; + handler.on_align(align); + break; + } else if (p == begin) { + break; + } + p = begin; + } + return begin; +} + +template FMT_CONSTEXPR bool is_name_start(Char c) { + return ('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z') || '_' == c; +} + +template +FMT_CONSTEXPR auto do_parse_arg_id(const Char* begin, const Char* end, + IDHandler&& handler) -> const Char* { + FMT_ASSERT(begin != end, ""); + Char c = *begin; + if (c >= '0' && c <= '9') { + int index = 0; + if (c != '0') + index = + parse_nonnegative_int(begin, end, (std::numeric_limits::max)()); + else + ++begin; + if (begin == end || (*begin != '}' && *begin != ':')) + handler.on_error("invalid format string"); + else + handler(index); + return begin; + } + if (!is_name_start(c)) { + handler.on_error("invalid format string"); + return begin; + } + auto it = begin; + do { + ++it; + } while (it != end && (is_name_start(c = *it) || ('0' <= c && c <= '9'))); + handler(basic_string_view(begin, to_unsigned(it - begin))); + return it; +} + +template +FMT_CONSTEXPR FMT_INLINE auto parse_arg_id(const Char* begin, const Char* end, + IDHandler&& handler) -> const Char* { + Char c = *begin; + if (c != '}' && c != ':') return do_parse_arg_id(begin, end, handler); + handler(); + return begin; +} + +template +FMT_CONSTEXPR auto parse_width(const Char* begin, const Char* end, + Handler&& handler) -> const Char* { + using detail::auto_id; + struct width_adapter { + Handler& handler; + + FMT_CONSTEXPR void operator()() { handler.on_dynamic_width(auto_id()); } + FMT_CONSTEXPR void operator()(int id) { handler.on_dynamic_width(id); } + FMT_CONSTEXPR void operator()(basic_string_view id) { + handler.on_dynamic_width(id); + } + FMT_CONSTEXPR void on_error(const char* message) { + if (message) handler.on_error(message); + } + }; + + FMT_ASSERT(begin != end, ""); + if ('0' <= *begin && *begin <= '9') { + int width = parse_nonnegative_int(begin, end, -1); + if (width != -1) + handler.on_width(width); + else + handler.on_error("number is too big"); + } else if (*begin == '{') { + ++begin; + if (begin != end) begin = parse_arg_id(begin, end, width_adapter{handler}); + if (begin == end || *begin != '}') + return handler.on_error("invalid format string"), begin; + ++begin; + } + return begin; +} + +template +FMT_CONSTEXPR auto parse_precision(const Char* begin, const Char* end, + Handler&& handler) -> const Char* { + using detail::auto_id; + struct precision_adapter { + Handler& handler; + + FMT_CONSTEXPR void operator()() { handler.on_dynamic_precision(auto_id()); } + FMT_CONSTEXPR void operator()(int id) { handler.on_dynamic_precision(id); } + FMT_CONSTEXPR void operator()(basic_string_view id) { + handler.on_dynamic_precision(id); + } + FMT_CONSTEXPR void on_error(const char* message) { + if (message) handler.on_error(message); + } + }; + + ++begin; + auto c = begin != end ? *begin : Char(); + if ('0' <= c && c <= '9') { + auto precision = parse_nonnegative_int(begin, end, -1); + if (precision != -1) + handler.on_precision(precision); + else + handler.on_error("number is too big"); + } else if (c == '{') { + ++begin; + if (begin != end) + begin = parse_arg_id(begin, end, precision_adapter{handler}); + if (begin == end || *begin++ != '}') + return handler.on_error("invalid format string"), begin; + } else { + return handler.on_error("missing precision specifier"), begin; + } + handler.end_precision(); + return begin; +} + +template +FMT_CONSTEXPR auto parse_presentation_type(Char type) -> presentation_type { + switch (to_ascii(type)) { + case 'd': + return presentation_type::dec; + case 'o': + return presentation_type::oct; + case 'x': + return presentation_type::hex_lower; + case 'X': + return presentation_type::hex_upper; + case 'b': + return presentation_type::bin_lower; + case 'B': + return presentation_type::bin_upper; + case 'a': + return presentation_type::hexfloat_lower; + case 'A': + return presentation_type::hexfloat_upper; + case 'e': + return presentation_type::exp_lower; + case 'E': + return presentation_type::exp_upper; + case 'f': + return presentation_type::fixed_lower; + case 'F': + return presentation_type::fixed_upper; + case 'g': + return presentation_type::general_lower; + case 'G': + return presentation_type::general_upper; + case 'c': + return presentation_type::chr; + case 's': + return presentation_type::string; + case 'p': + return presentation_type::pointer; + case '?': + return presentation_type::debug; + default: + return presentation_type::none; + } +} + +// Parses standard format specifiers and sends notifications about parsed +// components to handler. +template +FMT_CONSTEXPR FMT_INLINE auto parse_format_specs(const Char* begin, + const Char* end, + SpecHandler&& handler) + -> const Char* { + if (1 < end - begin && begin[1] == '}' && is_ascii_letter(*begin) && + *begin != 'L') { + presentation_type type = parse_presentation_type(*begin++); + if (type == presentation_type::none) + handler.on_error("invalid type specifier"); + handler.on_type(type); + return begin; + } + + if (begin == end) return begin; + + begin = parse_align(begin, end, handler); + if (begin == end) return begin; + + // Parse sign. + switch (to_ascii(*begin)) { + case '+': + handler.on_sign(sign::plus); + ++begin; + break; + case '-': + handler.on_sign(sign::minus); + ++begin; + break; + case ' ': + handler.on_sign(sign::space); + ++begin; + break; + default: + break; + } + if (begin == end) return begin; + + if (*begin == '#') { + handler.on_hash(); + if (++begin == end) return begin; + } + + // Parse zero flag. + if (*begin == '0') { + handler.on_zero(); + if (++begin == end) return begin; + } + + begin = parse_width(begin, end, handler); + if (begin == end) return begin; + + // Parse precision. + if (*begin == '.') { + begin = parse_precision(begin, end, handler); + if (begin == end) return begin; + } + + if (*begin == 'L') { + handler.on_localized(); + ++begin; + } + + // Parse type. + if (begin != end && *begin != '}') { + presentation_type type = parse_presentation_type(*begin++); + if (type == presentation_type::none) + handler.on_error("invalid type specifier"); + handler.on_type(type); + } + return begin; +} + +template +FMT_CONSTEXPR auto parse_replacement_field(const Char* begin, const Char* end, + Handler&& handler) -> const Char* { + struct id_adapter { + Handler& handler; + int arg_id; + + FMT_CONSTEXPR void operator()() { arg_id = handler.on_arg_id(); } + FMT_CONSTEXPR void operator()(int id) { arg_id = handler.on_arg_id(id); } + FMT_CONSTEXPR void operator()(basic_string_view id) { + arg_id = handler.on_arg_id(id); + } + FMT_CONSTEXPR void on_error(const char* message) { + if (message) handler.on_error(message); + } + }; + + ++begin; + if (begin == end) return handler.on_error("invalid format string"), end; + if (*begin == '}') { + handler.on_replacement_field(handler.on_arg_id(), begin); + } else if (*begin == '{') { + handler.on_text(begin, begin + 1); + } else { + auto adapter = id_adapter{handler, 0}; + begin = parse_arg_id(begin, end, adapter); + Char c = begin != end ? *begin : Char(); + if (c == '}') { + handler.on_replacement_field(adapter.arg_id, begin); + } else if (c == ':') { + begin = handler.on_format_specs(adapter.arg_id, begin + 1, end); + if (begin == end || *begin != '}') + return handler.on_error("unknown format specifier"), end; + } else { + return handler.on_error("missing '}' in format string"), end; + } + } + return begin + 1; +} + +template +FMT_CONSTEXPR FMT_INLINE void parse_format_string( + basic_string_view format_str, Handler&& handler) { + // Workaround a name-lookup bug in MSVC's modules implementation. + using detail::find; + + auto begin = format_str.data(); + auto end = begin + format_str.size(); + if (end - begin < 32) { + // Use a simple loop instead of memchr for small strings. + const Char* p = begin; + while (p != end) { + auto c = *p++; + if (c == '{') { + handler.on_text(begin, p - 1); + begin = p = parse_replacement_field(p - 1, end, handler); + } else if (c == '}') { + if (p == end || *p != '}') + return handler.on_error("unmatched '}' in format string"); + handler.on_text(begin, p); + begin = ++p; + } + } + handler.on_text(begin, end); + return; + } + struct writer { + FMT_CONSTEXPR void operator()(const Char* from, const Char* to) { + if (from == to) return; + for (;;) { + const Char* p = nullptr; + if (!find(from, to, Char('}'), p)) + return handler_.on_text(from, to); + ++p; + if (p == to || *p != '}') + return handler_.on_error("unmatched '}' in format string"); + handler_.on_text(from, p); + from = p + 1; + } + } + Handler& handler_; + } write = {handler}; + while (begin != end) { + // Doing two passes with memchr (one for '{' and another for '}') is up to + // 2.5x faster than the naive one-pass implementation on big format strings. + const Char* p = begin; + if (*begin != '{' && !find(begin + 1, end, Char('{'), p)) + return write(begin, end); + write(begin, p); + begin = parse_replacement_field(p, end, handler); + } +} + +template ::value> struct strip_named_arg { + using type = T; +}; +template struct strip_named_arg { + using type = remove_cvref_t; +}; + +template +FMT_CONSTEXPR auto parse_format_specs(ParseContext& ctx) + -> decltype(ctx.begin()) { + using char_type = typename ParseContext::char_type; + using context = buffer_context; + using stripped_type = typename strip_named_arg::type; + using mapped_type = conditional_t< + mapped_type_constant::value != type::custom_type, + decltype(arg_mapper().map(std::declval())), + stripped_type>; + auto f = conditional_t::value, + formatter, + fallback_formatter>(); + return f.parse(ctx); +} + +template +FMT_CONSTEXPR void check_int_type_spec(presentation_type type, + ErrorHandler&& eh) { + if (type > presentation_type::bin_upper && type != presentation_type::chr) + eh.on_error("invalid type specifier"); +} + +// Checks char specs and returns true if the type spec is char (and not int). +template +FMT_CONSTEXPR auto check_char_specs(const basic_format_specs& specs, + ErrorHandler&& eh = {}) -> bool { + if (specs.type != presentation_type::none && + specs.type != presentation_type::chr && + specs.type != presentation_type::debug) { + check_int_type_spec(specs.type, eh); + return false; + } + if (specs.align == align::numeric || specs.sign != sign::none || specs.alt) + eh.on_error("invalid format specifier for char"); + return true; +} + +// A floating-point presentation format. +enum class float_format : unsigned char { + general, // General: exponent notation or fixed point based on magnitude. + exp, // Exponent notation with the default precision of 6, e.g. 1.2e-3. + fixed, // Fixed point with the default precision of 6, e.g. 0.0012. + hex +}; + +struct float_specs { + int precision; + float_format format : 8; + sign_t sign : 8; + bool upper : 1; + bool locale : 1; + bool binary32 : 1; + bool showpoint : 1; +}; + +template +FMT_CONSTEXPR auto parse_float_type_spec(const basic_format_specs& specs, + ErrorHandler&& eh = {}) + -> float_specs { + auto result = float_specs(); + result.showpoint = specs.alt; + result.locale = specs.localized; + switch (specs.type) { + case presentation_type::none: + result.format = float_format::general; + break; + case presentation_type::general_upper: + result.upper = true; + FMT_FALLTHROUGH; + case presentation_type::general_lower: + result.format = float_format::general; + break; + case presentation_type::exp_upper: + result.upper = true; + FMT_FALLTHROUGH; + case presentation_type::exp_lower: + result.format = float_format::exp; + result.showpoint |= specs.precision != 0; + break; + case presentation_type::fixed_upper: + result.upper = true; + FMT_FALLTHROUGH; + case presentation_type::fixed_lower: + result.format = float_format::fixed; + result.showpoint |= specs.precision != 0; + break; + case presentation_type::hexfloat_upper: + result.upper = true; + FMT_FALLTHROUGH; + case presentation_type::hexfloat_lower: + result.format = float_format::hex; + break; + default: + eh.on_error("invalid type specifier"); + break; + } + return result; +} + +template +FMT_CONSTEXPR auto check_cstring_type_spec(presentation_type type, + ErrorHandler&& eh = {}) -> bool { + if (type == presentation_type::none || type == presentation_type::string || + type == presentation_type::debug) + return true; + if (type != presentation_type::pointer) eh.on_error("invalid type specifier"); + return false; +} + +template +FMT_CONSTEXPR void check_string_type_spec(presentation_type type, + ErrorHandler&& eh = {}) { + if (type != presentation_type::none && type != presentation_type::string && + type != presentation_type::debug) + eh.on_error("invalid type specifier"); +} + +template +FMT_CONSTEXPR void check_pointer_type_spec(presentation_type type, + ErrorHandler&& eh) { + if (type != presentation_type::none && type != presentation_type::pointer) + eh.on_error("invalid type specifier"); +} + +// A parse_format_specs handler that checks if specifiers are consistent with +// the argument type. +template class specs_checker : public Handler { + private: + detail::type arg_type_; + + FMT_CONSTEXPR void require_numeric_argument() { + if (!is_arithmetic_type(arg_type_)) + this->on_error("format specifier requires numeric argument"); + } + + public: + FMT_CONSTEXPR specs_checker(const Handler& handler, detail::type arg_type) + : Handler(handler), arg_type_(arg_type) {} + + FMT_CONSTEXPR void on_align(align_t align) { + if (align == align::numeric) require_numeric_argument(); + Handler::on_align(align); + } + + FMT_CONSTEXPR void on_sign(sign_t s) { + require_numeric_argument(); + if (is_integral_type(arg_type_) && arg_type_ != type::int_type && + arg_type_ != type::long_long_type && arg_type_ != type::int128_type && + arg_type_ != type::char_type) { + this->on_error("format specifier requires signed argument"); + } + Handler::on_sign(s); + } + + FMT_CONSTEXPR void on_hash() { + require_numeric_argument(); + Handler::on_hash(); + } + + FMT_CONSTEXPR void on_localized() { + require_numeric_argument(); + Handler::on_localized(); + } + + FMT_CONSTEXPR void on_zero() { + require_numeric_argument(); + Handler::on_zero(); + } + + FMT_CONSTEXPR void end_precision() { + if (is_integral_type(arg_type_) || arg_type_ == type::pointer_type) + this->on_error("precision not allowed for this argument type"); + } +}; + +constexpr int invalid_arg_index = -1; + +#if FMT_USE_NONTYPE_TEMPLATE_ARGS +template +constexpr auto get_arg_index_by_name(basic_string_view name) -> int { + if constexpr (detail::is_statically_named_arg()) { + if (name == T::name) return N; + } + if constexpr (sizeof...(Args) > 0) + return get_arg_index_by_name(name); + (void)name; // Workaround an MSVC bug about "unused" parameter. + return invalid_arg_index; +} +#endif + +template +FMT_CONSTEXPR auto get_arg_index_by_name(basic_string_view name) -> int { +#if FMT_USE_NONTYPE_TEMPLATE_ARGS + if constexpr (sizeof...(Args) > 0) + return get_arg_index_by_name<0, Args...>(name); +#endif + (void)name; + return invalid_arg_index; +} + +template +class format_string_checker { + private: + // In the future basic_format_parse_context will replace compile_parse_context + // here and will use is_constant_evaluated and downcasting to access the data + // needed for compile-time checks: https://godbolt.org/z/GvWzcTjh1. + using parse_context_type = compile_parse_context; + static constexpr int num_args = sizeof...(Args); + + // Format specifier parsing function. + using parse_func = const Char* (*)(parse_context_type&); + + parse_context_type context_; + parse_func parse_funcs_[num_args > 0 ? static_cast(num_args) : 1]; + type types_[num_args > 0 ? static_cast(num_args) : 1]; + + public: + explicit FMT_CONSTEXPR format_string_checker( + basic_string_view format_str, ErrorHandler eh) + : context_(format_str, num_args, types_, eh), + parse_funcs_{&parse_format_specs...}, + types_{ + mapped_type_constant>::value...} { + } + + FMT_CONSTEXPR void on_text(const Char*, const Char*) {} + + FMT_CONSTEXPR auto on_arg_id() -> int { return context_.next_arg_id(); } + FMT_CONSTEXPR auto on_arg_id(int id) -> int { + return context_.check_arg_id(id), id; + } + FMT_CONSTEXPR auto on_arg_id(basic_string_view id) -> int { +#if FMT_USE_NONTYPE_TEMPLATE_ARGS + auto index = get_arg_index_by_name(id); + if (index == invalid_arg_index) on_error("named argument is not found"); + return context_.check_arg_id(index), index; +#else + (void)id; + on_error("compile-time checks for named arguments require C++20 support"); + return 0; +#endif + } + + FMT_CONSTEXPR void on_replacement_field(int, const Char*) {} + + FMT_CONSTEXPR auto on_format_specs(int id, const Char* begin, const Char*) + -> const Char* { + context_.advance_to(context_.begin() + (begin - &*context_.begin())); + // id >= 0 check is a workaround for gcc 10 bug (#2065). + return id >= 0 && id < num_args ? parse_funcs_[id](context_) : begin; + } + + FMT_CONSTEXPR void on_error(const char* message) { + context_.on_error(message); + } +}; + +// Reports a compile-time error if S is not a valid format string. +template ::value)> +FMT_INLINE void check_format_string(const S&) { +#ifdef FMT_ENFORCE_COMPILE_STRING + static_assert(is_compile_string::value, + "FMT_ENFORCE_COMPILE_STRING requires all format strings to use " + "FMT_STRING."); +#endif +} +template ::value)> +void check_format_string(S format_str) { + FMT_CONSTEXPR auto s = basic_string_view(format_str); + using checker = format_string_checker...>; + FMT_CONSTEXPR bool invalid_format = + (parse_format_string(s, checker(s, {})), true); + ignore_unused(invalid_format); +} + +template +void vformat_to( + buffer& buf, basic_string_view fmt, + basic_format_args)> args, + locale_ref loc = {}); + +FMT_API void vprint_mojibake(std::FILE*, string_view, format_args); +#ifndef _WIN32 +inline void vprint_mojibake(std::FILE*, string_view, format_args) {} +#endif +FMT_END_DETAIL_NAMESPACE + +// A formatter specialization for the core types corresponding to detail::type +// constants. +template +struct formatter::value != + detail::type::custom_type>> { + private: + detail::dynamic_format_specs specs_; + + public: + // Parses format specifiers stopping either at the end of the range or at the + // terminating '}'. + template + FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) { + auto begin = ctx.begin(), end = ctx.end(); + if (begin == end) return begin; + using handler_type = detail::dynamic_specs_handler; + auto type = detail::type_constant::value; + auto checker = + detail::specs_checker(handler_type(specs_, ctx), type); + auto it = detail::parse_format_specs(begin, end, checker); + auto eh = ctx.error_handler(); + switch (type) { + case detail::type::none_type: + FMT_ASSERT(false, "invalid argument type"); + break; + case detail::type::bool_type: + if (specs_.type == presentation_type::none || + specs_.type == presentation_type::string) { + break; + } + FMT_FALLTHROUGH; + case detail::type::int_type: + case detail::type::uint_type: + case detail::type::long_long_type: + case detail::type::ulong_long_type: + case detail::type::int128_type: + case detail::type::uint128_type: + detail::check_int_type_spec(specs_.type, eh); + break; + case detail::type::char_type: + detail::check_char_specs(specs_, eh); + break; + case detail::type::float_type: + if (detail::const_check(FMT_USE_FLOAT)) + detail::parse_float_type_spec(specs_, eh); + else + FMT_ASSERT(false, "float support disabled"); + break; + case detail::type::double_type: + if (detail::const_check(FMT_USE_DOUBLE)) + detail::parse_float_type_spec(specs_, eh); + else + FMT_ASSERT(false, "double support disabled"); + break; + case detail::type::long_double_type: + if (detail::const_check(FMT_USE_LONG_DOUBLE)) + detail::parse_float_type_spec(specs_, eh); + else + FMT_ASSERT(false, "long double support disabled"); + break; + case detail::type::cstring_type: + detail::check_cstring_type_spec(specs_.type, eh); + break; + case detail::type::string_type: + detail::check_string_type_spec(specs_.type, eh); + break; + case detail::type::pointer_type: + detail::check_pointer_type_spec(specs_.type, eh); + break; + case detail::type::custom_type: + // Custom format specifiers are checked in parse functions of + // formatter specializations. + break; + } + return it; + } + + template ::value, + enable_if_t<(U == detail::type::string_type || + U == detail::type::cstring_type || + U == detail::type::char_type), + int> = 0> + FMT_CONSTEXPR void set_debug_format() { + specs_.type = presentation_type::debug; + } + + template + FMT_CONSTEXPR auto format(const T& val, FormatContext& ctx) const + -> decltype(ctx.out()); +}; + +#define FMT_FORMAT_AS(Type, Base) \ + template \ + struct formatter : formatter { \ + template \ + auto format(Type const& val, FormatContext& ctx) const \ + -> decltype(ctx.out()) { \ + return formatter::format(static_cast(val), ctx); \ + } \ + } + +FMT_FORMAT_AS(signed char, int); +FMT_FORMAT_AS(unsigned char, unsigned); +FMT_FORMAT_AS(short, int); +FMT_FORMAT_AS(unsigned short, unsigned); +FMT_FORMAT_AS(long, long long); +FMT_FORMAT_AS(unsigned long, unsigned long long); +FMT_FORMAT_AS(Char*, const Char*); +FMT_FORMAT_AS(std::basic_string, basic_string_view); +FMT_FORMAT_AS(std::nullptr_t, const void*); +FMT_FORMAT_AS(detail::std_string_view, basic_string_view); + +template struct basic_runtime { basic_string_view str; }; + +/** A compile-time format string. */ +template class basic_format_string { + private: + basic_string_view str_; + + public: + template >::value)> + FMT_CONSTEVAL FMT_INLINE basic_format_string(const S& s) : str_(s) { + static_assert( + detail::count< + (std::is_base_of>::value && + std::is_reference::value)...>() == 0, + "passing views as lvalues is disallowed"); +#ifdef FMT_HAS_CONSTEVAL + if constexpr (detail::count_named_args() == + detail::count_statically_named_args()) { + using checker = detail::format_string_checker...>; + detail::parse_format_string(str_, checker(s, {})); + } +#else + detail::check_format_string(s); +#endif + } + basic_format_string(basic_runtime r) : str_(r.str) {} + + FMT_INLINE operator basic_string_view() const { return str_; } +}; + +#if FMT_GCC_VERSION && FMT_GCC_VERSION < 409 +// Workaround broken conversion on older gcc. +template using format_string = string_view; +inline auto runtime(string_view s) -> string_view { return s; } +#else +template +using format_string = basic_format_string...>; +/** + \rst + Creates a runtime format string. + + **Example**:: + + // Check format string at runtime instead of compile-time. + fmt::print(fmt::runtime("{:d}"), "I am not a number"); + \endrst + */ +inline auto runtime(string_view s) -> basic_runtime { return {{s}}; } +#endif + +FMT_API auto vformat(string_view fmt, format_args args) -> std::string; + +/** + \rst + Formats ``args`` according to specifications in ``fmt`` and returns the result + as a string. + + **Example**:: + + #include + std::string message = fmt::format("The answer is {}.", 42); + \endrst +*/ +template +FMT_NODISCARD FMT_INLINE auto format(format_string fmt, T&&... args) + -> std::string { + return vformat(fmt, fmt::make_format_args(args...)); +} + +/** Formats a string and writes the output to ``out``. */ +template ::value)> +auto vformat_to(OutputIt out, string_view fmt, format_args args) -> OutputIt { + using detail::get_buffer; + auto&& buf = get_buffer(out); + detail::vformat_to(buf, fmt, args, {}); + return detail::get_iterator(buf); +} + +/** + \rst + Formats ``args`` according to specifications in ``fmt``, writes the result to + the output iterator ``out`` and returns the iterator past the end of the output + range. `format_to` does not append a terminating null character. + + **Example**:: + + auto out = std::vector(); + fmt::format_to(std::back_inserter(out), "{}", 42); + \endrst + */ +template ::value)> +FMT_INLINE auto format_to(OutputIt out, format_string fmt, T&&... args) + -> OutputIt { + return vformat_to(out, fmt, fmt::make_format_args(args...)); +} + +template struct format_to_n_result { + /** Iterator past the end of the output range. */ + OutputIt out; + /** Total (not truncated) output size. */ + size_t size; +}; + +template ::value)> +auto vformat_to_n(OutputIt out, size_t n, string_view fmt, format_args args) + -> format_to_n_result { + using traits = detail::fixed_buffer_traits; + auto buf = detail::iterator_buffer(out, n); + detail::vformat_to(buf, fmt, args, {}); + return {buf.out(), buf.count()}; +} + +/** + \rst + Formats ``args`` according to specifications in ``fmt``, writes up to ``n`` + characters of the result to the output iterator ``out`` and returns the total + (not truncated) output size and the iterator past the end of the output range. + `format_to_n` does not append a terminating null character. + \endrst + */ +template ::value)> +FMT_INLINE auto format_to_n(OutputIt out, size_t n, format_string fmt, + T&&... args) -> format_to_n_result { + return vformat_to_n(out, n, fmt, fmt::make_format_args(args...)); +} + +/** Returns the number of chars in the output of ``format(fmt, args...)``. */ +template +FMT_NODISCARD FMT_INLINE auto formatted_size(format_string fmt, + T&&... args) -> size_t { + auto buf = detail::counting_buffer<>(); + detail::vformat_to(buf, string_view(fmt), fmt::make_format_args(args...), {}); + return buf.count(); +} + +FMT_API void vprint(string_view fmt, format_args args); +FMT_API void vprint(std::FILE* f, string_view fmt, format_args args); + +/** + \rst + Formats ``args`` according to specifications in ``fmt`` and writes the output + to ``stdout``. + + **Example**:: + + fmt::print("Elapsed time: {0:.2f} seconds", 1.23); + \endrst + */ +template +FMT_INLINE void print(format_string fmt, T&&... args) { + const auto& vargs = fmt::make_format_args(args...); + return detail::is_utf8() ? vprint(fmt, vargs) + : detail::vprint_mojibake(stdout, fmt, vargs); +} + +/** + \rst + Formats ``args`` according to specifications in ``fmt`` and writes the + output to the file ``f``. + + **Example**:: + + fmt::print(stderr, "Don't {}!", "panic"); + \endrst + */ +template +FMT_INLINE void print(std::FILE* f, format_string fmt, T&&... args) { + const auto& vargs = fmt::make_format_args(args...); + return detail::is_utf8() ? vprint(f, fmt, vargs) + : detail::vprint_mojibake(f, fmt, vargs); +} + +FMT_MODULE_EXPORT_END +FMT_GCC_PRAGMA("GCC pop_options") +FMT_END_NAMESPACE + +#ifdef FMT_HEADER_ONLY +# include "format.h" +#endif +#endif // FMT_CORE_H_ diff --git a/src/spdlog/fmt/bundled/fmt.license.rst b/src/spdlog/fmt/bundled/fmt.license.rst new file mode 100644 index 00000000..f0ec3db4 --- /dev/null +++ b/src/spdlog/fmt/bundled/fmt.license.rst @@ -0,0 +1,27 @@ +Copyright (c) 2012 - present, Victor Zverovich + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +--- Optional exception to the license --- + +As an exception, if, as a result of your compiling your source code, portions +of this Software are embedded into a machine-executable object form of such +source code, you may redistribute such embedded portions in such object form +without including the above copyright and permission notices. diff --git a/src/spdlog/fmt/bundled/format-inl.h b/src/spdlog/fmt/bundled/format-inl.h new file mode 100644 index 00000000..22b1ec8d --- /dev/null +++ b/src/spdlog/fmt/bundled/format-inl.h @@ -0,0 +1,1723 @@ +// Formatting library for C++ - implementation +// +// Copyright (c) 2012 - 2016, Victor Zverovich +// All rights reserved. +// +// For the license information refer to format.h. + +#ifndef FMT_FORMAT_INL_H_ +#define FMT_FORMAT_INL_H_ + +#include +#include +#include // errno +#include +#include +#include +#include // std::memmove +#include +#include + +#ifndef FMT_STATIC_THOUSANDS_SEPARATOR +# include +#endif + +#ifdef _WIN32 +# include // _isatty +#endif + +#include "format.h" + +FMT_BEGIN_NAMESPACE +namespace detail { + +FMT_FUNC void assert_fail(const char* file, int line, const char* message) { + // Use unchecked std::fprintf to avoid triggering another assertion when + // writing to stderr fails + std::fprintf(stderr, "%s:%d: assertion failed: %s", file, line, message); + // Chosen instead of std::abort to satisfy Clang in CUDA mode during device + // code pass. + std::terminate(); +} + +FMT_FUNC void throw_format_error(const char* message) { + FMT_THROW(format_error(message)); +} + +FMT_FUNC void format_error_code(detail::buffer& out, int error_code, + string_view message) noexcept { + // Report error code making sure that the output fits into + // inline_buffer_size to avoid dynamic memory allocation and potential + // bad_alloc. + out.try_resize(0); + static const char SEP[] = ": "; + static const char ERROR_STR[] = "error "; + // Subtract 2 to account for terminating null characters in SEP and ERROR_STR. + size_t error_code_size = sizeof(SEP) + sizeof(ERROR_STR) - 2; + auto abs_value = static_cast>(error_code); + if (detail::is_negative(error_code)) { + abs_value = 0 - abs_value; + ++error_code_size; + } + error_code_size += detail::to_unsigned(detail::count_digits(abs_value)); + auto it = buffer_appender(out); + if (message.size() <= inline_buffer_size - error_code_size) + format_to(it, FMT_STRING("{}{}"), message, SEP); + format_to(it, FMT_STRING("{}{}"), ERROR_STR, error_code); + FMT_ASSERT(out.size() <= inline_buffer_size, ""); +} + +FMT_FUNC void report_error(format_func func, int error_code, + const char* message) noexcept { + memory_buffer full_message; + func(full_message, error_code, message); + // Don't use fwrite_fully because the latter may throw. + if (std::fwrite(full_message.data(), full_message.size(), 1, stderr) > 0) + std::fputc('\n', stderr); +} + +// A wrapper around fwrite that throws on error. +inline void fwrite_fully(const void* ptr, size_t size, size_t count, + FILE* stream) { + size_t written = std::fwrite(ptr, size, count, stream); + if (written < count) + FMT_THROW(system_error(errno, FMT_STRING("cannot write to file"))); +} + +#ifndef FMT_STATIC_THOUSANDS_SEPARATOR +template +locale_ref::locale_ref(const Locale& loc) : locale_(&loc) { + static_assert(std::is_same::value, ""); +} + +template Locale locale_ref::get() const { + static_assert(std::is_same::value, ""); + return locale_ ? *static_cast(locale_) : std::locale(); +} + +template +FMT_FUNC auto thousands_sep_impl(locale_ref loc) -> thousands_sep_result { + auto& facet = std::use_facet>(loc.get()); + auto grouping = facet.grouping(); + auto thousands_sep = grouping.empty() ? Char() : facet.thousands_sep(); + return {std::move(grouping), thousands_sep}; +} +template FMT_FUNC Char decimal_point_impl(locale_ref loc) { + return std::use_facet>(loc.get()) + .decimal_point(); +} +#else +template +FMT_FUNC auto thousands_sep_impl(locale_ref) -> thousands_sep_result { + return {"\03", FMT_STATIC_THOUSANDS_SEPARATOR}; +} +template FMT_FUNC Char decimal_point_impl(locale_ref) { + return '.'; +} +#endif +} // namespace detail + +#if !FMT_MSC_VERSION +FMT_API FMT_FUNC format_error::~format_error() noexcept = default; +#endif + +FMT_FUNC std::system_error vsystem_error(int error_code, string_view format_str, + format_args args) { + auto ec = std::error_code(error_code, std::generic_category()); + return std::system_error(ec, vformat(format_str, args)); +} + +namespace detail { + +template inline bool operator==(basic_fp x, basic_fp y) { + return x.f == y.f && x.e == y.e; +} + +// Compilers should be able to optimize this into the ror instruction. +FMT_CONSTEXPR inline uint32_t rotr(uint32_t n, uint32_t r) noexcept { + r &= 31; + return (n >> r) | (n << (32 - r)); +} +FMT_CONSTEXPR inline uint64_t rotr(uint64_t n, uint32_t r) noexcept { + r &= 63; + return (n >> r) | (n << (64 - r)); +} + +// Computes 128-bit result of multiplication of two 64-bit unsigned integers. +inline uint128_fallback umul128(uint64_t x, uint64_t y) noexcept { +#if FMT_USE_INT128 + auto p = static_cast(x) * static_cast(y); + return {static_cast(p >> 64), static_cast(p)}; +#elif defined(_MSC_VER) && defined(_M_X64) + auto result = uint128_fallback(); + result.lo_ = _umul128(x, y, &result.hi_); + return result; +#else + const uint64_t mask = static_cast(max_value()); + + uint64_t a = x >> 32; + uint64_t b = x & mask; + uint64_t c = y >> 32; + uint64_t d = y & mask; + + uint64_t ac = a * c; + uint64_t bc = b * c; + uint64_t ad = a * d; + uint64_t bd = b * d; + + uint64_t intermediate = (bd >> 32) + (ad & mask) + (bc & mask); + + return {ac + (intermediate >> 32) + (ad >> 32) + (bc >> 32), + (intermediate << 32) + (bd & mask)}; +#endif +} + +// Implementation of Dragonbox algorithm: https://github.com/jk-jeon/dragonbox. +namespace dragonbox { +// Computes upper 64 bits of multiplication of two 64-bit unsigned integers. +inline uint64_t umul128_upper64(uint64_t x, uint64_t y) noexcept { +#if FMT_USE_INT128 + auto p = static_cast(x) * static_cast(y); + return static_cast(p >> 64); +#elif defined(_MSC_VER) && defined(_M_X64) + return __umulh(x, y); +#else + return umul128(x, y).high(); +#endif +} + +// Computes upper 128 bits of multiplication of a 64-bit unsigned integer and a +// 128-bit unsigned integer. +inline uint128_fallback umul192_upper128(uint64_t x, + uint128_fallback y) noexcept { + uint128_fallback r = umul128(x, y.high()); + r += umul128_upper64(x, y.low()); + return r; +} + +// Computes upper 64 bits of multiplication of a 32-bit unsigned integer and a +// 64-bit unsigned integer. +inline uint64_t umul96_upper64(uint32_t x, uint64_t y) noexcept { + return umul128_upper64(static_cast(x) << 32, y); +} + +// Computes lower 128 bits of multiplication of a 64-bit unsigned integer and a +// 128-bit unsigned integer. +inline uint128_fallback umul192_lower128(uint64_t x, + uint128_fallback y) noexcept { + uint64_t high = x * y.high(); + uint128_fallback high_low = umul128(x, y.low()); + return {high + high_low.high(), high_low.low()}; +} + +// Computes lower 64 bits of multiplication of a 32-bit unsigned integer and a +// 64-bit unsigned integer. +inline uint64_t umul96_lower64(uint32_t x, uint64_t y) noexcept { + return x * y; +} + +// Computes floor(log10(pow(2, e))) for e in [-2620, 2620] using the method from +// https://fmt.dev/papers/Dragonbox.pdf#page=28, section 6.1. +inline int floor_log10_pow2(int e) noexcept { + FMT_ASSERT(e <= 2620 && e >= -2620, "too large exponent"); + static_assert((-1 >> 1) == -1, "right shift is not arithmetic"); + return (e * 315653) >> 20; +} + +// Various fast log computations. +inline int floor_log2_pow10(int e) noexcept { + FMT_ASSERT(e <= 1233 && e >= -1233, "too large exponent"); + return (e * 1741647) >> 19; +} +inline int floor_log10_pow2_minus_log10_4_over_3(int e) noexcept { + FMT_ASSERT(e <= 2936 && e >= -2985, "too large exponent"); + return (e * 631305 - 261663) >> 21; +} + +static constexpr struct { + uint32_t divisor; + int shift_amount; +} div_small_pow10_infos[] = {{10, 16}, {100, 16}}; + +// Replaces n by floor(n / pow(10, N)) returning true if and only if n is +// divisible by pow(10, N). +// Precondition: n <= pow(10, N + 1). +template +bool check_divisibility_and_divide_by_pow10(uint32_t& n) noexcept { + // The numbers below are chosen such that: + // 1. floor(n/d) = floor(nm / 2^k) where d=10 or d=100, + // 2. nm mod 2^k < m if and only if n is divisible by d, + // where m is magic_number, k is shift_amount + // and d is divisor. + // + // Item 1 is a common technique of replacing division by a constant with + // multiplication, see e.g. "Division by Invariant Integers Using + // Multiplication" by Granlund and Montgomery (1994). magic_number (m) is set + // to ceil(2^k/d) for large enough k. + // The idea for item 2 originates from Schubfach. + constexpr auto info = div_small_pow10_infos[N - 1]; + FMT_ASSERT(n <= info.divisor * 10, "n is too large"); + constexpr uint32_t magic_number = + (1u << info.shift_amount) / info.divisor + 1; + n *= magic_number; + const uint32_t comparison_mask = (1u << info.shift_amount) - 1; + bool result = (n & comparison_mask) < magic_number; + n >>= info.shift_amount; + return result; +} + +// Computes floor(n / pow(10, N)) for small n and N. +// Precondition: n <= pow(10, N + 1). +template uint32_t small_division_by_pow10(uint32_t n) noexcept { + constexpr auto info = div_small_pow10_infos[N - 1]; + FMT_ASSERT(n <= info.divisor * 10, "n is too large"); + constexpr uint32_t magic_number = + (1u << info.shift_amount) / info.divisor + 1; + return (n * magic_number) >> info.shift_amount; +} + +// Computes floor(n / 10^(kappa + 1)) (float) +inline uint32_t divide_by_10_to_kappa_plus_1(uint32_t n) noexcept { + // 1374389535 = ceil(2^37/100) + return static_cast((static_cast(n) * 1374389535) >> 37); +} +// Computes floor(n / 10^(kappa + 1)) (double) +inline uint64_t divide_by_10_to_kappa_plus_1(uint64_t n) noexcept { + // 2361183241434822607 = ceil(2^(64+7)/1000) + return umul128_upper64(n, 2361183241434822607ull) >> 7; +} + +// Various subroutines using pow10 cache +template struct cache_accessor; + +template <> struct cache_accessor { + using carrier_uint = float_info::carrier_uint; + using cache_entry_type = uint64_t; + + static uint64_t get_cached_power(int k) noexcept { + FMT_ASSERT(k >= float_info::min_k && k <= float_info::max_k, + "k is out of range"); + static constexpr const uint64_t pow10_significands[] = { + 0x81ceb32c4b43fcf5, 0xa2425ff75e14fc32, 0xcad2f7f5359a3b3f, + 0xfd87b5f28300ca0e, 0x9e74d1b791e07e49, 0xc612062576589ddb, + 0xf79687aed3eec552, 0x9abe14cd44753b53, 0xc16d9a0095928a28, + 0xf1c90080baf72cb2, 0x971da05074da7bef, 0xbce5086492111aeb, + 0xec1e4a7db69561a6, 0x9392ee8e921d5d08, 0xb877aa3236a4b44a, + 0xe69594bec44de15c, 0x901d7cf73ab0acda, 0xb424dc35095cd810, + 0xe12e13424bb40e14, 0x8cbccc096f5088cc, 0xafebff0bcb24aaff, + 0xdbe6fecebdedd5bf, 0x89705f4136b4a598, 0xabcc77118461cefd, + 0xd6bf94d5e57a42bd, 0x8637bd05af6c69b6, 0xa7c5ac471b478424, + 0xd1b71758e219652c, 0x83126e978d4fdf3c, 0xa3d70a3d70a3d70b, + 0xcccccccccccccccd, 0x8000000000000000, 0xa000000000000000, + 0xc800000000000000, 0xfa00000000000000, 0x9c40000000000000, + 0xc350000000000000, 0xf424000000000000, 0x9896800000000000, + 0xbebc200000000000, 0xee6b280000000000, 0x9502f90000000000, + 0xba43b74000000000, 0xe8d4a51000000000, 0x9184e72a00000000, + 0xb5e620f480000000, 0xe35fa931a0000000, 0x8e1bc9bf04000000, + 0xb1a2bc2ec5000000, 0xde0b6b3a76400000, 0x8ac7230489e80000, + 0xad78ebc5ac620000, 0xd8d726b7177a8000, 0x878678326eac9000, + 0xa968163f0a57b400, 0xd3c21bcecceda100, 0x84595161401484a0, + 0xa56fa5b99019a5c8, 0xcecb8f27f4200f3a, 0x813f3978f8940985, + 0xa18f07d736b90be6, 0xc9f2c9cd04674edf, 0xfc6f7c4045812297, + 0x9dc5ada82b70b59e, 0xc5371912364ce306, 0xf684df56c3e01bc7, + 0x9a130b963a6c115d, 0xc097ce7bc90715b4, 0xf0bdc21abb48db21, + 0x96769950b50d88f5, 0xbc143fa4e250eb32, 0xeb194f8e1ae525fe, + 0x92efd1b8d0cf37bf, 0xb7abc627050305ae, 0xe596b7b0c643c71a, + 0x8f7e32ce7bea5c70, 0xb35dbf821ae4f38c, 0xe0352f62a19e306f}; + return pow10_significands[k - float_info::min_k]; + } + + struct compute_mul_result { + carrier_uint result; + bool is_integer; + }; + struct compute_mul_parity_result { + bool parity; + bool is_integer; + }; + + static compute_mul_result compute_mul( + carrier_uint u, const cache_entry_type& cache) noexcept { + auto r = umul96_upper64(u, cache); + return {static_cast(r >> 32), + static_cast(r) == 0}; + } + + static uint32_t compute_delta(const cache_entry_type& cache, + int beta) noexcept { + return static_cast(cache >> (64 - 1 - beta)); + } + + static compute_mul_parity_result compute_mul_parity( + carrier_uint two_f, const cache_entry_type& cache, int beta) noexcept { + FMT_ASSERT(beta >= 1, ""); + FMT_ASSERT(beta < 64, ""); + + auto r = umul96_lower64(two_f, cache); + return {((r >> (64 - beta)) & 1) != 0, + static_cast(r >> (32 - beta)) == 0}; + } + + static carrier_uint compute_left_endpoint_for_shorter_interval_case( + const cache_entry_type& cache, int beta) noexcept { + return static_cast( + (cache - (cache >> (num_significand_bits() + 2))) >> + (64 - num_significand_bits() - 1 - beta)); + } + + static carrier_uint compute_right_endpoint_for_shorter_interval_case( + const cache_entry_type& cache, int beta) noexcept { + return static_cast( + (cache + (cache >> (num_significand_bits() + 1))) >> + (64 - num_significand_bits() - 1 - beta)); + } + + static carrier_uint compute_round_up_for_shorter_interval_case( + const cache_entry_type& cache, int beta) noexcept { + return (static_cast( + cache >> (64 - num_significand_bits() - 2 - beta)) + + 1) / + 2; + } +}; + +template <> struct cache_accessor { + using carrier_uint = float_info::carrier_uint; + using cache_entry_type = uint128_fallback; + + static uint128_fallback get_cached_power(int k) noexcept { + FMT_ASSERT(k >= float_info::min_k && k <= float_info::max_k, + "k is out of range"); + + static constexpr const uint128_fallback pow10_significands[] = { +#if FMT_USE_FULL_CACHE_DRAGONBOX + {0xff77b1fcbebcdc4f, 0x25e8e89c13bb0f7b}, + {0x9faacf3df73609b1, 0x77b191618c54e9ad}, + {0xc795830d75038c1d, 0xd59df5b9ef6a2418}, + {0xf97ae3d0d2446f25, 0x4b0573286b44ad1e}, + {0x9becce62836ac577, 0x4ee367f9430aec33}, + {0xc2e801fb244576d5, 0x229c41f793cda740}, + {0xf3a20279ed56d48a, 0x6b43527578c11110}, + {0x9845418c345644d6, 0x830a13896b78aaaa}, + {0xbe5691ef416bd60c, 0x23cc986bc656d554}, + {0xedec366b11c6cb8f, 0x2cbfbe86b7ec8aa9}, + {0x94b3a202eb1c3f39, 0x7bf7d71432f3d6aa}, + {0xb9e08a83a5e34f07, 0xdaf5ccd93fb0cc54}, + {0xe858ad248f5c22c9, 0xd1b3400f8f9cff69}, + {0x91376c36d99995be, 0x23100809b9c21fa2}, + {0xb58547448ffffb2d, 0xabd40a0c2832a78b}, + {0xe2e69915b3fff9f9, 0x16c90c8f323f516d}, + {0x8dd01fad907ffc3b, 0xae3da7d97f6792e4}, + {0xb1442798f49ffb4a, 0x99cd11cfdf41779d}, + {0xdd95317f31c7fa1d, 0x40405643d711d584}, + {0x8a7d3eef7f1cfc52, 0x482835ea666b2573}, + {0xad1c8eab5ee43b66, 0xda3243650005eed0}, + {0xd863b256369d4a40, 0x90bed43e40076a83}, + {0x873e4f75e2224e68, 0x5a7744a6e804a292}, + {0xa90de3535aaae202, 0x711515d0a205cb37}, + {0xd3515c2831559a83, 0x0d5a5b44ca873e04}, + {0x8412d9991ed58091, 0xe858790afe9486c3}, + {0xa5178fff668ae0b6, 0x626e974dbe39a873}, + {0xce5d73ff402d98e3, 0xfb0a3d212dc81290}, + {0x80fa687f881c7f8e, 0x7ce66634bc9d0b9a}, + {0xa139029f6a239f72, 0x1c1fffc1ebc44e81}, + {0xc987434744ac874e, 0xa327ffb266b56221}, + {0xfbe9141915d7a922, 0x4bf1ff9f0062baa9}, + {0x9d71ac8fada6c9b5, 0x6f773fc3603db4aa}, + {0xc4ce17b399107c22, 0xcb550fb4384d21d4}, + {0xf6019da07f549b2b, 0x7e2a53a146606a49}, + {0x99c102844f94e0fb, 0x2eda7444cbfc426e}, + {0xc0314325637a1939, 0xfa911155fefb5309}, + {0xf03d93eebc589f88, 0x793555ab7eba27cb}, + {0x96267c7535b763b5, 0x4bc1558b2f3458df}, + {0xbbb01b9283253ca2, 0x9eb1aaedfb016f17}, + {0xea9c227723ee8bcb, 0x465e15a979c1cadd}, + {0x92a1958a7675175f, 0x0bfacd89ec191eca}, + {0xb749faed14125d36, 0xcef980ec671f667c}, + {0xe51c79a85916f484, 0x82b7e12780e7401b}, + {0x8f31cc0937ae58d2, 0xd1b2ecb8b0908811}, + {0xb2fe3f0b8599ef07, 0x861fa7e6dcb4aa16}, + {0xdfbdcece67006ac9, 0x67a791e093e1d49b}, + {0x8bd6a141006042bd, 0xe0c8bb2c5c6d24e1}, + {0xaecc49914078536d, 0x58fae9f773886e19}, + {0xda7f5bf590966848, 0xaf39a475506a899f}, + {0x888f99797a5e012d, 0x6d8406c952429604}, + {0xaab37fd7d8f58178, 0xc8e5087ba6d33b84}, + {0xd5605fcdcf32e1d6, 0xfb1e4a9a90880a65}, + {0x855c3be0a17fcd26, 0x5cf2eea09a550680}, + {0xa6b34ad8c9dfc06f, 0xf42faa48c0ea481f}, + {0xd0601d8efc57b08b, 0xf13b94daf124da27}, + {0x823c12795db6ce57, 0x76c53d08d6b70859}, + {0xa2cb1717b52481ed, 0x54768c4b0c64ca6f}, + {0xcb7ddcdda26da268, 0xa9942f5dcf7dfd0a}, + {0xfe5d54150b090b02, 0xd3f93b35435d7c4d}, + {0x9efa548d26e5a6e1, 0xc47bc5014a1a6db0}, + {0xc6b8e9b0709f109a, 0x359ab6419ca1091c}, + {0xf867241c8cc6d4c0, 0xc30163d203c94b63}, + {0x9b407691d7fc44f8, 0x79e0de63425dcf1e}, + {0xc21094364dfb5636, 0x985915fc12f542e5}, + {0xf294b943e17a2bc4, 0x3e6f5b7b17b2939e}, + {0x979cf3ca6cec5b5a, 0xa705992ceecf9c43}, + {0xbd8430bd08277231, 0x50c6ff782a838354}, + {0xece53cec4a314ebd, 0xa4f8bf5635246429}, + {0x940f4613ae5ed136, 0x871b7795e136be9a}, + {0xb913179899f68584, 0x28e2557b59846e40}, + {0xe757dd7ec07426e5, 0x331aeada2fe589d0}, + {0x9096ea6f3848984f, 0x3ff0d2c85def7622}, + {0xb4bca50b065abe63, 0x0fed077a756b53aa}, + {0xe1ebce4dc7f16dfb, 0xd3e8495912c62895}, + {0x8d3360f09cf6e4bd, 0x64712dd7abbbd95d}, + {0xb080392cc4349dec, 0xbd8d794d96aacfb4}, + {0xdca04777f541c567, 0xecf0d7a0fc5583a1}, + {0x89e42caaf9491b60, 0xf41686c49db57245}, + {0xac5d37d5b79b6239, 0x311c2875c522ced6}, + {0xd77485cb25823ac7, 0x7d633293366b828c}, + {0x86a8d39ef77164bc, 0xae5dff9c02033198}, + {0xa8530886b54dbdeb, 0xd9f57f830283fdfd}, + {0xd267caa862a12d66, 0xd072df63c324fd7c}, + {0x8380dea93da4bc60, 0x4247cb9e59f71e6e}, + {0xa46116538d0deb78, 0x52d9be85f074e609}, + {0xcd795be870516656, 0x67902e276c921f8c}, + {0x806bd9714632dff6, 0x00ba1cd8a3db53b7}, + {0xa086cfcd97bf97f3, 0x80e8a40eccd228a5}, + {0xc8a883c0fdaf7df0, 0x6122cd128006b2ce}, + {0xfad2a4b13d1b5d6c, 0x796b805720085f82}, + {0x9cc3a6eec6311a63, 0xcbe3303674053bb1}, + {0xc3f490aa77bd60fc, 0xbedbfc4411068a9d}, + {0xf4f1b4d515acb93b, 0xee92fb5515482d45}, + {0x991711052d8bf3c5, 0x751bdd152d4d1c4b}, + {0xbf5cd54678eef0b6, 0xd262d45a78a0635e}, + {0xef340a98172aace4, 0x86fb897116c87c35}, + {0x9580869f0e7aac0e, 0xd45d35e6ae3d4da1}, + {0xbae0a846d2195712, 0x8974836059cca10a}, + {0xe998d258869facd7, 0x2bd1a438703fc94c}, + {0x91ff83775423cc06, 0x7b6306a34627ddd0}, + {0xb67f6455292cbf08, 0x1a3bc84c17b1d543}, + {0xe41f3d6a7377eeca, 0x20caba5f1d9e4a94}, + {0x8e938662882af53e, 0x547eb47b7282ee9d}, + {0xb23867fb2a35b28d, 0xe99e619a4f23aa44}, + {0xdec681f9f4c31f31, 0x6405fa00e2ec94d5}, + {0x8b3c113c38f9f37e, 0xde83bc408dd3dd05}, + {0xae0b158b4738705e, 0x9624ab50b148d446}, + {0xd98ddaee19068c76, 0x3badd624dd9b0958}, + {0x87f8a8d4cfa417c9, 0xe54ca5d70a80e5d7}, + {0xa9f6d30a038d1dbc, 0x5e9fcf4ccd211f4d}, + {0xd47487cc8470652b, 0x7647c32000696720}, + {0x84c8d4dfd2c63f3b, 0x29ecd9f40041e074}, + {0xa5fb0a17c777cf09, 0xf468107100525891}, + {0xcf79cc9db955c2cc, 0x7182148d4066eeb5}, + {0x81ac1fe293d599bf, 0xc6f14cd848405531}, + {0xa21727db38cb002f, 0xb8ada00e5a506a7d}, + {0xca9cf1d206fdc03b, 0xa6d90811f0e4851d}, + {0xfd442e4688bd304a, 0x908f4a166d1da664}, + {0x9e4a9cec15763e2e, 0x9a598e4e043287ff}, + {0xc5dd44271ad3cdba, 0x40eff1e1853f29fe}, + {0xf7549530e188c128, 0xd12bee59e68ef47d}, + {0x9a94dd3e8cf578b9, 0x82bb74f8301958cf}, + {0xc13a148e3032d6e7, 0xe36a52363c1faf02}, + {0xf18899b1bc3f8ca1, 0xdc44e6c3cb279ac2}, + {0x96f5600f15a7b7e5, 0x29ab103a5ef8c0ba}, + {0xbcb2b812db11a5de, 0x7415d448f6b6f0e8}, + {0xebdf661791d60f56, 0x111b495b3464ad22}, + {0x936b9fcebb25c995, 0xcab10dd900beec35}, + {0xb84687c269ef3bfb, 0x3d5d514f40eea743}, + {0xe65829b3046b0afa, 0x0cb4a5a3112a5113}, + {0x8ff71a0fe2c2e6dc, 0x47f0e785eaba72ac}, + {0xb3f4e093db73a093, 0x59ed216765690f57}, + {0xe0f218b8d25088b8, 0x306869c13ec3532d}, + {0x8c974f7383725573, 0x1e414218c73a13fc}, + {0xafbd2350644eeacf, 0xe5d1929ef90898fb}, + {0xdbac6c247d62a583, 0xdf45f746b74abf3a}, + {0x894bc396ce5da772, 0x6b8bba8c328eb784}, + {0xab9eb47c81f5114f, 0x066ea92f3f326565}, + {0xd686619ba27255a2, 0xc80a537b0efefebe}, + {0x8613fd0145877585, 0xbd06742ce95f5f37}, + {0xa798fc4196e952e7, 0x2c48113823b73705}, + {0xd17f3b51fca3a7a0, 0xf75a15862ca504c6}, + {0x82ef85133de648c4, 0x9a984d73dbe722fc}, + {0xa3ab66580d5fdaf5, 0xc13e60d0d2e0ebbb}, + {0xcc963fee10b7d1b3, 0x318df905079926a9}, + {0xffbbcfe994e5c61f, 0xfdf17746497f7053}, + {0x9fd561f1fd0f9bd3, 0xfeb6ea8bedefa634}, + {0xc7caba6e7c5382c8, 0xfe64a52ee96b8fc1}, + {0xf9bd690a1b68637b, 0x3dfdce7aa3c673b1}, + {0x9c1661a651213e2d, 0x06bea10ca65c084f}, + {0xc31bfa0fe5698db8, 0x486e494fcff30a63}, + {0xf3e2f893dec3f126, 0x5a89dba3c3efccfb}, + {0x986ddb5c6b3a76b7, 0xf89629465a75e01d}, + {0xbe89523386091465, 0xf6bbb397f1135824}, + {0xee2ba6c0678b597f, 0x746aa07ded582e2d}, + {0x94db483840b717ef, 0xa8c2a44eb4571cdd}, + {0xba121a4650e4ddeb, 0x92f34d62616ce414}, + {0xe896a0d7e51e1566, 0x77b020baf9c81d18}, + {0x915e2486ef32cd60, 0x0ace1474dc1d122f}, + {0xb5b5ada8aaff80b8, 0x0d819992132456bb}, + {0xe3231912d5bf60e6, 0x10e1fff697ed6c6a}, + {0x8df5efabc5979c8f, 0xca8d3ffa1ef463c2}, + {0xb1736b96b6fd83b3, 0xbd308ff8a6b17cb3}, + {0xddd0467c64bce4a0, 0xac7cb3f6d05ddbdf}, + {0x8aa22c0dbef60ee4, 0x6bcdf07a423aa96c}, + {0xad4ab7112eb3929d, 0x86c16c98d2c953c7}, + {0xd89d64d57a607744, 0xe871c7bf077ba8b8}, + {0x87625f056c7c4a8b, 0x11471cd764ad4973}, + {0xa93af6c6c79b5d2d, 0xd598e40d3dd89bd0}, + {0xd389b47879823479, 0x4aff1d108d4ec2c4}, + {0x843610cb4bf160cb, 0xcedf722a585139bb}, + {0xa54394fe1eedb8fe, 0xc2974eb4ee658829}, + {0xce947a3da6a9273e, 0x733d226229feea33}, + {0x811ccc668829b887, 0x0806357d5a3f5260}, + {0xa163ff802a3426a8, 0xca07c2dcb0cf26f8}, + {0xc9bcff6034c13052, 0xfc89b393dd02f0b6}, + {0xfc2c3f3841f17c67, 0xbbac2078d443ace3}, + {0x9d9ba7832936edc0, 0xd54b944b84aa4c0e}, + {0xc5029163f384a931, 0x0a9e795e65d4df12}, + {0xf64335bcf065d37d, 0x4d4617b5ff4a16d6}, + {0x99ea0196163fa42e, 0x504bced1bf8e4e46}, + {0xc06481fb9bcf8d39, 0xe45ec2862f71e1d7}, + {0xf07da27a82c37088, 0x5d767327bb4e5a4d}, + {0x964e858c91ba2655, 0x3a6a07f8d510f870}, + {0xbbe226efb628afea, 0x890489f70a55368c}, + {0xeadab0aba3b2dbe5, 0x2b45ac74ccea842f}, + {0x92c8ae6b464fc96f, 0x3b0b8bc90012929e}, + {0xb77ada0617e3bbcb, 0x09ce6ebb40173745}, + {0xe55990879ddcaabd, 0xcc420a6a101d0516}, + {0x8f57fa54c2a9eab6, 0x9fa946824a12232e}, + {0xb32df8e9f3546564, 0x47939822dc96abfa}, + {0xdff9772470297ebd, 0x59787e2b93bc56f8}, + {0x8bfbea76c619ef36, 0x57eb4edb3c55b65b}, + {0xaefae51477a06b03, 0xede622920b6b23f2}, + {0xdab99e59958885c4, 0xe95fab368e45ecee}, + {0x88b402f7fd75539b, 0x11dbcb0218ebb415}, + {0xaae103b5fcd2a881, 0xd652bdc29f26a11a}, + {0xd59944a37c0752a2, 0x4be76d3346f04960}, + {0x857fcae62d8493a5, 0x6f70a4400c562ddc}, + {0xa6dfbd9fb8e5b88e, 0xcb4ccd500f6bb953}, + {0xd097ad07a71f26b2, 0x7e2000a41346a7a8}, + {0x825ecc24c873782f, 0x8ed400668c0c28c9}, + {0xa2f67f2dfa90563b, 0x728900802f0f32fb}, + {0xcbb41ef979346bca, 0x4f2b40a03ad2ffba}, + {0xfea126b7d78186bc, 0xe2f610c84987bfa9}, + {0x9f24b832e6b0f436, 0x0dd9ca7d2df4d7ca}, + {0xc6ede63fa05d3143, 0x91503d1c79720dbc}, + {0xf8a95fcf88747d94, 0x75a44c6397ce912b}, + {0x9b69dbe1b548ce7c, 0xc986afbe3ee11abb}, + {0xc24452da229b021b, 0xfbe85badce996169}, + {0xf2d56790ab41c2a2, 0xfae27299423fb9c4}, + {0x97c560ba6b0919a5, 0xdccd879fc967d41b}, + {0xbdb6b8e905cb600f, 0x5400e987bbc1c921}, + {0xed246723473e3813, 0x290123e9aab23b69}, + {0x9436c0760c86e30b, 0xf9a0b6720aaf6522}, + {0xb94470938fa89bce, 0xf808e40e8d5b3e6a}, + {0xe7958cb87392c2c2, 0xb60b1d1230b20e05}, + {0x90bd77f3483bb9b9, 0xb1c6f22b5e6f48c3}, + {0xb4ecd5f01a4aa828, 0x1e38aeb6360b1af4}, + {0xe2280b6c20dd5232, 0x25c6da63c38de1b1}, + {0x8d590723948a535f, 0x579c487e5a38ad0f}, + {0xb0af48ec79ace837, 0x2d835a9df0c6d852}, + {0xdcdb1b2798182244, 0xf8e431456cf88e66}, + {0x8a08f0f8bf0f156b, 0x1b8e9ecb641b5900}, + {0xac8b2d36eed2dac5, 0xe272467e3d222f40}, + {0xd7adf884aa879177, 0x5b0ed81dcc6abb10}, + {0x86ccbb52ea94baea, 0x98e947129fc2b4ea}, + {0xa87fea27a539e9a5, 0x3f2398d747b36225}, + {0xd29fe4b18e88640e, 0x8eec7f0d19a03aae}, + {0x83a3eeeef9153e89, 0x1953cf68300424ad}, + {0xa48ceaaab75a8e2b, 0x5fa8c3423c052dd8}, + {0xcdb02555653131b6, 0x3792f412cb06794e}, + {0x808e17555f3ebf11, 0xe2bbd88bbee40bd1}, + {0xa0b19d2ab70e6ed6, 0x5b6aceaeae9d0ec5}, + {0xc8de047564d20a8b, 0xf245825a5a445276}, + {0xfb158592be068d2e, 0xeed6e2f0f0d56713}, + {0x9ced737bb6c4183d, 0x55464dd69685606c}, + {0xc428d05aa4751e4c, 0xaa97e14c3c26b887}, + {0xf53304714d9265df, 0xd53dd99f4b3066a9}, + {0x993fe2c6d07b7fab, 0xe546a8038efe402a}, + {0xbf8fdb78849a5f96, 0xde98520472bdd034}, + {0xef73d256a5c0f77c, 0x963e66858f6d4441}, + {0x95a8637627989aad, 0xdde7001379a44aa9}, + {0xbb127c53b17ec159, 0x5560c018580d5d53}, + {0xe9d71b689dde71af, 0xaab8f01e6e10b4a7}, + {0x9226712162ab070d, 0xcab3961304ca70e9}, + {0xb6b00d69bb55c8d1, 0x3d607b97c5fd0d23}, + {0xe45c10c42a2b3b05, 0x8cb89a7db77c506b}, + {0x8eb98a7a9a5b04e3, 0x77f3608e92adb243}, + {0xb267ed1940f1c61c, 0x55f038b237591ed4}, + {0xdf01e85f912e37a3, 0x6b6c46dec52f6689}, + {0x8b61313bbabce2c6, 0x2323ac4b3b3da016}, + {0xae397d8aa96c1b77, 0xabec975e0a0d081b}, + {0xd9c7dced53c72255, 0x96e7bd358c904a22}, + {0x881cea14545c7575, 0x7e50d64177da2e55}, + {0xaa242499697392d2, 0xdde50bd1d5d0b9ea}, + {0xd4ad2dbfc3d07787, 0x955e4ec64b44e865}, + {0x84ec3c97da624ab4, 0xbd5af13bef0b113f}, + {0xa6274bbdd0fadd61, 0xecb1ad8aeacdd58f}, + {0xcfb11ead453994ba, 0x67de18eda5814af3}, + {0x81ceb32c4b43fcf4, 0x80eacf948770ced8}, + {0xa2425ff75e14fc31, 0xa1258379a94d028e}, + {0xcad2f7f5359a3b3e, 0x096ee45813a04331}, + {0xfd87b5f28300ca0d, 0x8bca9d6e188853fd}, + {0x9e74d1b791e07e48, 0x775ea264cf55347e}, + {0xc612062576589dda, 0x95364afe032a819e}, + {0xf79687aed3eec551, 0x3a83ddbd83f52205}, + {0x9abe14cd44753b52, 0xc4926a9672793543}, + {0xc16d9a0095928a27, 0x75b7053c0f178294}, + {0xf1c90080baf72cb1, 0x5324c68b12dd6339}, + {0x971da05074da7bee, 0xd3f6fc16ebca5e04}, + {0xbce5086492111aea, 0x88f4bb1ca6bcf585}, + {0xec1e4a7db69561a5, 0x2b31e9e3d06c32e6}, + {0x9392ee8e921d5d07, 0x3aff322e62439fd0}, + {0xb877aa3236a4b449, 0x09befeb9fad487c3}, + {0xe69594bec44de15b, 0x4c2ebe687989a9b4}, + {0x901d7cf73ab0acd9, 0x0f9d37014bf60a11}, + {0xb424dc35095cd80f, 0x538484c19ef38c95}, + {0xe12e13424bb40e13, 0x2865a5f206b06fba}, + {0x8cbccc096f5088cb, 0xf93f87b7442e45d4}, + {0xafebff0bcb24aafe, 0xf78f69a51539d749}, + {0xdbe6fecebdedd5be, 0xb573440e5a884d1c}, + {0x89705f4136b4a597, 0x31680a88f8953031}, + {0xabcc77118461cefc, 0xfdc20d2b36ba7c3e}, + {0xd6bf94d5e57a42bc, 0x3d32907604691b4d}, + {0x8637bd05af6c69b5, 0xa63f9a49c2c1b110}, + {0xa7c5ac471b478423, 0x0fcf80dc33721d54}, + {0xd1b71758e219652b, 0xd3c36113404ea4a9}, + {0x83126e978d4fdf3b, 0x645a1cac083126ea}, + {0xa3d70a3d70a3d70a, 0x3d70a3d70a3d70a4}, + {0xcccccccccccccccc, 0xcccccccccccccccd}, + {0x8000000000000000, 0x0000000000000000}, + {0xa000000000000000, 0x0000000000000000}, + {0xc800000000000000, 0x0000000000000000}, + {0xfa00000000000000, 0x0000000000000000}, + {0x9c40000000000000, 0x0000000000000000}, + {0xc350000000000000, 0x0000000000000000}, + {0xf424000000000000, 0x0000000000000000}, + {0x9896800000000000, 0x0000000000000000}, + {0xbebc200000000000, 0x0000000000000000}, + {0xee6b280000000000, 0x0000000000000000}, + {0x9502f90000000000, 0x0000000000000000}, + {0xba43b74000000000, 0x0000000000000000}, + {0xe8d4a51000000000, 0x0000000000000000}, + {0x9184e72a00000000, 0x0000000000000000}, + {0xb5e620f480000000, 0x0000000000000000}, + {0xe35fa931a0000000, 0x0000000000000000}, + {0x8e1bc9bf04000000, 0x0000000000000000}, + {0xb1a2bc2ec5000000, 0x0000000000000000}, + {0xde0b6b3a76400000, 0x0000000000000000}, + {0x8ac7230489e80000, 0x0000000000000000}, + {0xad78ebc5ac620000, 0x0000000000000000}, + {0xd8d726b7177a8000, 0x0000000000000000}, + {0x878678326eac9000, 0x0000000000000000}, + {0xa968163f0a57b400, 0x0000000000000000}, + {0xd3c21bcecceda100, 0x0000000000000000}, + {0x84595161401484a0, 0x0000000000000000}, + {0xa56fa5b99019a5c8, 0x0000000000000000}, + {0xcecb8f27f4200f3a, 0x0000000000000000}, + {0x813f3978f8940984, 0x4000000000000000}, + {0xa18f07d736b90be5, 0x5000000000000000}, + {0xc9f2c9cd04674ede, 0xa400000000000000}, + {0xfc6f7c4045812296, 0x4d00000000000000}, + {0x9dc5ada82b70b59d, 0xf020000000000000}, + {0xc5371912364ce305, 0x6c28000000000000}, + {0xf684df56c3e01bc6, 0xc732000000000000}, + {0x9a130b963a6c115c, 0x3c7f400000000000}, + {0xc097ce7bc90715b3, 0x4b9f100000000000}, + {0xf0bdc21abb48db20, 0x1e86d40000000000}, + {0x96769950b50d88f4, 0x1314448000000000}, + {0xbc143fa4e250eb31, 0x17d955a000000000}, + {0xeb194f8e1ae525fd, 0x5dcfab0800000000}, + {0x92efd1b8d0cf37be, 0x5aa1cae500000000}, + {0xb7abc627050305ad, 0xf14a3d9e40000000}, + {0xe596b7b0c643c719, 0x6d9ccd05d0000000}, + {0x8f7e32ce7bea5c6f, 0xe4820023a2000000}, + {0xb35dbf821ae4f38b, 0xdda2802c8a800000}, + {0xe0352f62a19e306e, 0xd50b2037ad200000}, + {0x8c213d9da502de45, 0x4526f422cc340000}, + {0xaf298d050e4395d6, 0x9670b12b7f410000}, + {0xdaf3f04651d47b4c, 0x3c0cdd765f114000}, + {0x88d8762bf324cd0f, 0xa5880a69fb6ac800}, + {0xab0e93b6efee0053, 0x8eea0d047a457a00}, + {0xd5d238a4abe98068, 0x72a4904598d6d880}, + {0x85a36366eb71f041, 0x47a6da2b7f864750}, + {0xa70c3c40a64e6c51, 0x999090b65f67d924}, + {0xd0cf4b50cfe20765, 0xfff4b4e3f741cf6d}, + {0x82818f1281ed449f, 0xbff8f10e7a8921a5}, + {0xa321f2d7226895c7, 0xaff72d52192b6a0e}, + {0xcbea6f8ceb02bb39, 0x9bf4f8a69f764491}, + {0xfee50b7025c36a08, 0x02f236d04753d5b5}, + {0x9f4f2726179a2245, 0x01d762422c946591}, + {0xc722f0ef9d80aad6, 0x424d3ad2b7b97ef6}, + {0xf8ebad2b84e0d58b, 0xd2e0898765a7deb3}, + {0x9b934c3b330c8577, 0x63cc55f49f88eb30}, + {0xc2781f49ffcfa6d5, 0x3cbf6b71c76b25fc}, + {0xf316271c7fc3908a, 0x8bef464e3945ef7b}, + {0x97edd871cfda3a56, 0x97758bf0e3cbb5ad}, + {0xbde94e8e43d0c8ec, 0x3d52eeed1cbea318}, + {0xed63a231d4c4fb27, 0x4ca7aaa863ee4bde}, + {0x945e455f24fb1cf8, 0x8fe8caa93e74ef6b}, + {0xb975d6b6ee39e436, 0xb3e2fd538e122b45}, + {0xe7d34c64a9c85d44, 0x60dbbca87196b617}, + {0x90e40fbeea1d3a4a, 0xbc8955e946fe31ce}, + {0xb51d13aea4a488dd, 0x6babab6398bdbe42}, + {0xe264589a4dcdab14, 0xc696963c7eed2dd2}, + {0x8d7eb76070a08aec, 0xfc1e1de5cf543ca3}, + {0xb0de65388cc8ada8, 0x3b25a55f43294bcc}, + {0xdd15fe86affad912, 0x49ef0eb713f39ebf}, + {0x8a2dbf142dfcc7ab, 0x6e3569326c784338}, + {0xacb92ed9397bf996, 0x49c2c37f07965405}, + {0xd7e77a8f87daf7fb, 0xdc33745ec97be907}, + {0x86f0ac99b4e8dafd, 0x69a028bb3ded71a4}, + {0xa8acd7c0222311bc, 0xc40832ea0d68ce0d}, + {0xd2d80db02aabd62b, 0xf50a3fa490c30191}, + {0x83c7088e1aab65db, 0x792667c6da79e0fb}, + {0xa4b8cab1a1563f52, 0x577001b891185939}, + {0xcde6fd5e09abcf26, 0xed4c0226b55e6f87}, + {0x80b05e5ac60b6178, 0x544f8158315b05b5}, + {0xa0dc75f1778e39d6, 0x696361ae3db1c722}, + {0xc913936dd571c84c, 0x03bc3a19cd1e38ea}, + {0xfb5878494ace3a5f, 0x04ab48a04065c724}, + {0x9d174b2dcec0e47b, 0x62eb0d64283f9c77}, + {0xc45d1df942711d9a, 0x3ba5d0bd324f8395}, + {0xf5746577930d6500, 0xca8f44ec7ee3647a}, + {0x9968bf6abbe85f20, 0x7e998b13cf4e1ecc}, + {0xbfc2ef456ae276e8, 0x9e3fedd8c321a67f}, + {0xefb3ab16c59b14a2, 0xc5cfe94ef3ea101f}, + {0x95d04aee3b80ece5, 0xbba1f1d158724a13}, + {0xbb445da9ca61281f, 0x2a8a6e45ae8edc98}, + {0xea1575143cf97226, 0xf52d09d71a3293be}, + {0x924d692ca61be758, 0x593c2626705f9c57}, + {0xb6e0c377cfa2e12e, 0x6f8b2fb00c77836d}, + {0xe498f455c38b997a, 0x0b6dfb9c0f956448}, + {0x8edf98b59a373fec, 0x4724bd4189bd5ead}, + {0xb2977ee300c50fe7, 0x58edec91ec2cb658}, + {0xdf3d5e9bc0f653e1, 0x2f2967b66737e3ee}, + {0x8b865b215899f46c, 0xbd79e0d20082ee75}, + {0xae67f1e9aec07187, 0xecd8590680a3aa12}, + {0xda01ee641a708de9, 0xe80e6f4820cc9496}, + {0x884134fe908658b2, 0x3109058d147fdcde}, + {0xaa51823e34a7eede, 0xbd4b46f0599fd416}, + {0xd4e5e2cdc1d1ea96, 0x6c9e18ac7007c91b}, + {0x850fadc09923329e, 0x03e2cf6bc604ddb1}, + {0xa6539930bf6bff45, 0x84db8346b786151d}, + {0xcfe87f7cef46ff16, 0xe612641865679a64}, + {0x81f14fae158c5f6e, 0x4fcb7e8f3f60c07f}, + {0xa26da3999aef7749, 0xe3be5e330f38f09e}, + {0xcb090c8001ab551c, 0x5cadf5bfd3072cc6}, + {0xfdcb4fa002162a63, 0x73d9732fc7c8f7f7}, + {0x9e9f11c4014dda7e, 0x2867e7fddcdd9afb}, + {0xc646d63501a1511d, 0xb281e1fd541501b9}, + {0xf7d88bc24209a565, 0x1f225a7ca91a4227}, + {0x9ae757596946075f, 0x3375788de9b06959}, + {0xc1a12d2fc3978937, 0x0052d6b1641c83af}, + {0xf209787bb47d6b84, 0xc0678c5dbd23a49b}, + {0x9745eb4d50ce6332, 0xf840b7ba963646e1}, + {0xbd176620a501fbff, 0xb650e5a93bc3d899}, + {0xec5d3fa8ce427aff, 0xa3e51f138ab4cebf}, + {0x93ba47c980e98cdf, 0xc66f336c36b10138}, + {0xb8a8d9bbe123f017, 0xb80b0047445d4185}, + {0xe6d3102ad96cec1d, 0xa60dc059157491e6}, + {0x9043ea1ac7e41392, 0x87c89837ad68db30}, + {0xb454e4a179dd1877, 0x29babe4598c311fc}, + {0xe16a1dc9d8545e94, 0xf4296dd6fef3d67b}, + {0x8ce2529e2734bb1d, 0x1899e4a65f58660d}, + {0xb01ae745b101e9e4, 0x5ec05dcff72e7f90}, + {0xdc21a1171d42645d, 0x76707543f4fa1f74}, + {0x899504ae72497eba, 0x6a06494a791c53a9}, + {0xabfa45da0edbde69, 0x0487db9d17636893}, + {0xd6f8d7509292d603, 0x45a9d2845d3c42b7}, + {0x865b86925b9bc5c2, 0x0b8a2392ba45a9b3}, + {0xa7f26836f282b732, 0x8e6cac7768d7141f}, + {0xd1ef0244af2364ff, 0x3207d795430cd927}, + {0x8335616aed761f1f, 0x7f44e6bd49e807b9}, + {0xa402b9c5a8d3a6e7, 0x5f16206c9c6209a7}, + {0xcd036837130890a1, 0x36dba887c37a8c10}, + {0x802221226be55a64, 0xc2494954da2c978a}, + {0xa02aa96b06deb0fd, 0xf2db9baa10b7bd6d}, + {0xc83553c5c8965d3d, 0x6f92829494e5acc8}, + {0xfa42a8b73abbf48c, 0xcb772339ba1f17fa}, + {0x9c69a97284b578d7, 0xff2a760414536efc}, + {0xc38413cf25e2d70d, 0xfef5138519684abb}, + {0xf46518c2ef5b8cd1, 0x7eb258665fc25d6a}, + {0x98bf2f79d5993802, 0xef2f773ffbd97a62}, + {0xbeeefb584aff8603, 0xaafb550ffacfd8fb}, + {0xeeaaba2e5dbf6784, 0x95ba2a53f983cf39}, + {0x952ab45cfa97a0b2, 0xdd945a747bf26184}, + {0xba756174393d88df, 0x94f971119aeef9e5}, + {0xe912b9d1478ceb17, 0x7a37cd5601aab85e}, + {0x91abb422ccb812ee, 0xac62e055c10ab33b}, + {0xb616a12b7fe617aa, 0x577b986b314d600a}, + {0xe39c49765fdf9d94, 0xed5a7e85fda0b80c}, + {0x8e41ade9fbebc27d, 0x14588f13be847308}, + {0xb1d219647ae6b31c, 0x596eb2d8ae258fc9}, + {0xde469fbd99a05fe3, 0x6fca5f8ed9aef3bc}, + {0x8aec23d680043bee, 0x25de7bb9480d5855}, + {0xada72ccc20054ae9, 0xaf561aa79a10ae6b}, + {0xd910f7ff28069da4, 0x1b2ba1518094da05}, + {0x87aa9aff79042286, 0x90fb44d2f05d0843}, + {0xa99541bf57452b28, 0x353a1607ac744a54}, + {0xd3fa922f2d1675f2, 0x42889b8997915ce9}, + {0x847c9b5d7c2e09b7, 0x69956135febada12}, + {0xa59bc234db398c25, 0x43fab9837e699096}, + {0xcf02b2c21207ef2e, 0x94f967e45e03f4bc}, + {0x8161afb94b44f57d, 0x1d1be0eebac278f6}, + {0xa1ba1ba79e1632dc, 0x6462d92a69731733}, + {0xca28a291859bbf93, 0x7d7b8f7503cfdcff}, + {0xfcb2cb35e702af78, 0x5cda735244c3d43f}, + {0x9defbf01b061adab, 0x3a0888136afa64a8}, + {0xc56baec21c7a1916, 0x088aaa1845b8fdd1}, + {0xf6c69a72a3989f5b, 0x8aad549e57273d46}, + {0x9a3c2087a63f6399, 0x36ac54e2f678864c}, + {0xc0cb28a98fcf3c7f, 0x84576a1bb416a7de}, + {0xf0fdf2d3f3c30b9f, 0x656d44a2a11c51d6}, + {0x969eb7c47859e743, 0x9f644ae5a4b1b326}, + {0xbc4665b596706114, 0x873d5d9f0dde1fef}, + {0xeb57ff22fc0c7959, 0xa90cb506d155a7eb}, + {0x9316ff75dd87cbd8, 0x09a7f12442d588f3}, + {0xb7dcbf5354e9bece, 0x0c11ed6d538aeb30}, + {0xe5d3ef282a242e81, 0x8f1668c8a86da5fb}, + {0x8fa475791a569d10, 0xf96e017d694487bd}, + {0xb38d92d760ec4455, 0x37c981dcc395a9ad}, + {0xe070f78d3927556a, 0x85bbe253f47b1418}, + {0x8c469ab843b89562, 0x93956d7478ccec8f}, + {0xaf58416654a6babb, 0x387ac8d1970027b3}, + {0xdb2e51bfe9d0696a, 0x06997b05fcc0319f}, + {0x88fcf317f22241e2, 0x441fece3bdf81f04}, + {0xab3c2fddeeaad25a, 0xd527e81cad7626c4}, + {0xd60b3bd56a5586f1, 0x8a71e223d8d3b075}, + {0x85c7056562757456, 0xf6872d5667844e4a}, + {0xa738c6bebb12d16c, 0xb428f8ac016561dc}, + {0xd106f86e69d785c7, 0xe13336d701beba53}, + {0x82a45b450226b39c, 0xecc0024661173474}, + {0xa34d721642b06084, 0x27f002d7f95d0191}, + {0xcc20ce9bd35c78a5, 0x31ec038df7b441f5}, + {0xff290242c83396ce, 0x7e67047175a15272}, + {0x9f79a169bd203e41, 0x0f0062c6e984d387}, + {0xc75809c42c684dd1, 0x52c07b78a3e60869}, + {0xf92e0c3537826145, 0xa7709a56ccdf8a83}, + {0x9bbcc7a142b17ccb, 0x88a66076400bb692}, + {0xc2abf989935ddbfe, 0x6acff893d00ea436}, + {0xf356f7ebf83552fe, 0x0583f6b8c4124d44}, + {0x98165af37b2153de, 0xc3727a337a8b704b}, + {0xbe1bf1b059e9a8d6, 0x744f18c0592e4c5d}, + {0xeda2ee1c7064130c, 0x1162def06f79df74}, + {0x9485d4d1c63e8be7, 0x8addcb5645ac2ba9}, + {0xb9a74a0637ce2ee1, 0x6d953e2bd7173693}, + {0xe8111c87c5c1ba99, 0xc8fa8db6ccdd0438}, + {0x910ab1d4db9914a0, 0x1d9c9892400a22a3}, + {0xb54d5e4a127f59c8, 0x2503beb6d00cab4c}, + {0xe2a0b5dc971f303a, 0x2e44ae64840fd61e}, + {0x8da471a9de737e24, 0x5ceaecfed289e5d3}, + {0xb10d8e1456105dad, 0x7425a83e872c5f48}, + {0xdd50f1996b947518, 0xd12f124e28f7771a}, + {0x8a5296ffe33cc92f, 0x82bd6b70d99aaa70}, + {0xace73cbfdc0bfb7b, 0x636cc64d1001550c}, + {0xd8210befd30efa5a, 0x3c47f7e05401aa4f}, + {0x8714a775e3e95c78, 0x65acfaec34810a72}, + {0xa8d9d1535ce3b396, 0x7f1839a741a14d0e}, + {0xd31045a8341ca07c, 0x1ede48111209a051}, + {0x83ea2b892091e44d, 0x934aed0aab460433}, + {0xa4e4b66b68b65d60, 0xf81da84d56178540}, + {0xce1de40642e3f4b9, 0x36251260ab9d668f}, + {0x80d2ae83e9ce78f3, 0xc1d72b7c6b42601a}, + {0xa1075a24e4421730, 0xb24cf65b8612f820}, + {0xc94930ae1d529cfc, 0xdee033f26797b628}, + {0xfb9b7cd9a4a7443c, 0x169840ef017da3b2}, + {0x9d412e0806e88aa5, 0x8e1f289560ee864f}, + {0xc491798a08a2ad4e, 0xf1a6f2bab92a27e3}, + {0xf5b5d7ec8acb58a2, 0xae10af696774b1dc}, + {0x9991a6f3d6bf1765, 0xacca6da1e0a8ef2a}, + {0xbff610b0cc6edd3f, 0x17fd090a58d32af4}, + {0xeff394dcff8a948e, 0xddfc4b4cef07f5b1}, + {0x95f83d0a1fb69cd9, 0x4abdaf101564f98f}, + {0xbb764c4ca7a4440f, 0x9d6d1ad41abe37f2}, + {0xea53df5fd18d5513, 0x84c86189216dc5ee}, + {0x92746b9be2f8552c, 0x32fd3cf5b4e49bb5}, + {0xb7118682dbb66a77, 0x3fbc8c33221dc2a2}, + {0xe4d5e82392a40515, 0x0fabaf3feaa5334b}, + {0x8f05b1163ba6832d, 0x29cb4d87f2a7400f}, + {0xb2c71d5bca9023f8, 0x743e20e9ef511013}, + {0xdf78e4b2bd342cf6, 0x914da9246b255417}, + {0x8bab8eefb6409c1a, 0x1ad089b6c2f7548f}, + {0xae9672aba3d0c320, 0xa184ac2473b529b2}, + {0xda3c0f568cc4f3e8, 0xc9e5d72d90a2741f}, + {0x8865899617fb1871, 0x7e2fa67c7a658893}, + {0xaa7eebfb9df9de8d, 0xddbb901b98feeab8}, + {0xd51ea6fa85785631, 0x552a74227f3ea566}, + {0x8533285c936b35de, 0xd53a88958f872760}, + {0xa67ff273b8460356, 0x8a892abaf368f138}, + {0xd01fef10a657842c, 0x2d2b7569b0432d86}, + {0x8213f56a67f6b29b, 0x9c3b29620e29fc74}, + {0xa298f2c501f45f42, 0x8349f3ba91b47b90}, + {0xcb3f2f7642717713, 0x241c70a936219a74}, + {0xfe0efb53d30dd4d7, 0xed238cd383aa0111}, + {0x9ec95d1463e8a506, 0xf4363804324a40ab}, + {0xc67bb4597ce2ce48, 0xb143c6053edcd0d6}, + {0xf81aa16fdc1b81da, 0xdd94b7868e94050b}, + {0x9b10a4e5e9913128, 0xca7cf2b4191c8327}, + {0xc1d4ce1f63f57d72, 0xfd1c2f611f63a3f1}, + {0xf24a01a73cf2dccf, 0xbc633b39673c8ced}, + {0x976e41088617ca01, 0xd5be0503e085d814}, + {0xbd49d14aa79dbc82, 0x4b2d8644d8a74e19}, + {0xec9c459d51852ba2, 0xddf8e7d60ed1219f}, + {0x93e1ab8252f33b45, 0xcabb90e5c942b504}, + {0xb8da1662e7b00a17, 0x3d6a751f3b936244}, + {0xe7109bfba19c0c9d, 0x0cc512670a783ad5}, + {0x906a617d450187e2, 0x27fb2b80668b24c6}, + {0xb484f9dc9641e9da, 0xb1f9f660802dedf7}, + {0xe1a63853bbd26451, 0x5e7873f8a0396974}, + {0x8d07e33455637eb2, 0xdb0b487b6423e1e9}, + {0xb049dc016abc5e5f, 0x91ce1a9a3d2cda63}, + {0xdc5c5301c56b75f7, 0x7641a140cc7810fc}, + {0x89b9b3e11b6329ba, 0xa9e904c87fcb0a9e}, + {0xac2820d9623bf429, 0x546345fa9fbdcd45}, + {0xd732290fbacaf133, 0xa97c177947ad4096}, + {0x867f59a9d4bed6c0, 0x49ed8eabcccc485e}, + {0xa81f301449ee8c70, 0x5c68f256bfff5a75}, + {0xd226fc195c6a2f8c, 0x73832eec6fff3112}, + {0x83585d8fd9c25db7, 0xc831fd53c5ff7eac}, + {0xa42e74f3d032f525, 0xba3e7ca8b77f5e56}, + {0xcd3a1230c43fb26f, 0x28ce1bd2e55f35ec}, + {0x80444b5e7aa7cf85, 0x7980d163cf5b81b4}, + {0xa0555e361951c366, 0xd7e105bcc3326220}, + {0xc86ab5c39fa63440, 0x8dd9472bf3fefaa8}, + {0xfa856334878fc150, 0xb14f98f6f0feb952}, + {0x9c935e00d4b9d8d2, 0x6ed1bf9a569f33d4}, + {0xc3b8358109e84f07, 0x0a862f80ec4700c9}, + {0xf4a642e14c6262c8, 0xcd27bb612758c0fb}, + {0x98e7e9cccfbd7dbd, 0x8038d51cb897789d}, + {0xbf21e44003acdd2c, 0xe0470a63e6bd56c4}, + {0xeeea5d5004981478, 0x1858ccfce06cac75}, + {0x95527a5202df0ccb, 0x0f37801e0c43ebc9}, + {0xbaa718e68396cffd, 0xd30560258f54e6bb}, + {0xe950df20247c83fd, 0x47c6b82ef32a206a}, + {0x91d28b7416cdd27e, 0x4cdc331d57fa5442}, + {0xb6472e511c81471d, 0xe0133fe4adf8e953}, + {0xe3d8f9e563a198e5, 0x58180fddd97723a7}, + {0x8e679c2f5e44ff8f, 0x570f09eaa7ea7649}, + {0xb201833b35d63f73, 0x2cd2cc6551e513db}, + {0xde81e40a034bcf4f, 0xf8077f7ea65e58d2}, + {0x8b112e86420f6191, 0xfb04afaf27faf783}, + {0xadd57a27d29339f6, 0x79c5db9af1f9b564}, + {0xd94ad8b1c7380874, 0x18375281ae7822bd}, + {0x87cec76f1c830548, 0x8f2293910d0b15b6}, + {0xa9c2794ae3a3c69a, 0xb2eb3875504ddb23}, + {0xd433179d9c8cb841, 0x5fa60692a46151ec}, + {0x849feec281d7f328, 0xdbc7c41ba6bcd334}, + {0xa5c7ea73224deff3, 0x12b9b522906c0801}, + {0xcf39e50feae16bef, 0xd768226b34870a01}, + {0x81842f29f2cce375, 0xe6a1158300d46641}, + {0xa1e53af46f801c53, 0x60495ae3c1097fd1}, + {0xca5e89b18b602368, 0x385bb19cb14bdfc5}, + {0xfcf62c1dee382c42, 0x46729e03dd9ed7b6}, + {0x9e19db92b4e31ba9, 0x6c07a2c26a8346d2}, + {0xc5a05277621be293, 0xc7098b7305241886}, + { 0xf70867153aa2db38, + 0xb8cbee4fc66d1ea8 } +#else + {0xff77b1fcbebcdc4f, 0x25e8e89c13bb0f7b}, + {0xce5d73ff402d98e3, 0xfb0a3d212dc81290}, + {0xa6b34ad8c9dfc06f, 0xf42faa48c0ea481f}, + {0x86a8d39ef77164bc, 0xae5dff9c02033198}, + {0xd98ddaee19068c76, 0x3badd624dd9b0958}, + {0xafbd2350644eeacf, 0xe5d1929ef90898fb}, + {0x8df5efabc5979c8f, 0xca8d3ffa1ef463c2}, + {0xe55990879ddcaabd, 0xcc420a6a101d0516}, + {0xb94470938fa89bce, 0xf808e40e8d5b3e6a}, + {0x95a8637627989aad, 0xdde7001379a44aa9}, + {0xf1c90080baf72cb1, 0x5324c68b12dd6339}, + {0xc350000000000000, 0x0000000000000000}, + {0x9dc5ada82b70b59d, 0xf020000000000000}, + {0xfee50b7025c36a08, 0x02f236d04753d5b5}, + {0xcde6fd5e09abcf26, 0xed4c0226b55e6f87}, + {0xa6539930bf6bff45, 0x84db8346b786151d}, + {0x865b86925b9bc5c2, 0x0b8a2392ba45a9b3}, + {0xd910f7ff28069da4, 0x1b2ba1518094da05}, + {0xaf58416654a6babb, 0x387ac8d1970027b3}, + {0x8da471a9de737e24, 0x5ceaecfed289e5d3}, + {0xe4d5e82392a40515, 0x0fabaf3feaa5334b}, + {0xb8da1662e7b00a17, 0x3d6a751f3b936244}, + { 0x95527a5202df0ccb, + 0x0f37801e0c43ebc9 } +#endif + }; + +#if FMT_USE_FULL_CACHE_DRAGONBOX + return pow10_significands[k - float_info::min_k]; +#else + static constexpr const uint64_t powers_of_5_64[] = { + 0x0000000000000001, 0x0000000000000005, 0x0000000000000019, + 0x000000000000007d, 0x0000000000000271, 0x0000000000000c35, + 0x0000000000003d09, 0x000000000001312d, 0x000000000005f5e1, + 0x00000000001dcd65, 0x00000000009502f9, 0x0000000002e90edd, + 0x000000000e8d4a51, 0x0000000048c27395, 0x000000016bcc41e9, + 0x000000071afd498d, 0x0000002386f26fc1, 0x000000b1a2bc2ec5, + 0x000003782dace9d9, 0x00001158e460913d, 0x000056bc75e2d631, + 0x0001b1ae4d6e2ef5, 0x000878678326eac9, 0x002a5a058fc295ed, + 0x00d3c21bcecceda1, 0x0422ca8b0a00a425, 0x14adf4b7320334b9}; + + static const int compression_ratio = 27; + + // Compute base index. + int cache_index = (k - float_info::min_k) / compression_ratio; + int kb = cache_index * compression_ratio + float_info::min_k; + int offset = k - kb; + + // Get base cache. + uint128_fallback base_cache = pow10_significands[cache_index]; + if (offset == 0) return base_cache; + + // Compute the required amount of bit-shift. + int alpha = floor_log2_pow10(kb + offset) - floor_log2_pow10(kb) - offset; + FMT_ASSERT(alpha > 0 && alpha < 64, "shifting error detected"); + + // Try to recover the real cache. + uint64_t pow5 = powers_of_5_64[offset]; + uint128_fallback recovered_cache = umul128(base_cache.high(), pow5); + uint128_fallback middle_low = umul128(base_cache.low(), pow5); + + recovered_cache += middle_low.high(); + + uint64_t high_to_middle = recovered_cache.high() << (64 - alpha); + uint64_t middle_to_low = recovered_cache.low() << (64 - alpha); + + recovered_cache = + uint128_fallback{(recovered_cache.low() >> alpha) | high_to_middle, + ((middle_low.low() >> alpha) | middle_to_low)}; + FMT_ASSERT(recovered_cache.low() + 1 != 0, ""); + return {recovered_cache.high(), recovered_cache.low() + 1}; +#endif + } + + struct compute_mul_result { + carrier_uint result; + bool is_integer; + }; + struct compute_mul_parity_result { + bool parity; + bool is_integer; + }; + + static compute_mul_result compute_mul( + carrier_uint u, const cache_entry_type& cache) noexcept { + auto r = umul192_upper128(u, cache); + return {r.high(), r.low() == 0}; + } + + static uint32_t compute_delta(cache_entry_type const& cache, + int beta) noexcept { + return static_cast(cache.high() >> (64 - 1 - beta)); + } + + static compute_mul_parity_result compute_mul_parity( + carrier_uint two_f, const cache_entry_type& cache, int beta) noexcept { + FMT_ASSERT(beta >= 1, ""); + FMT_ASSERT(beta < 64, ""); + + auto r = umul192_lower128(two_f, cache); + return {((r.high() >> (64 - beta)) & 1) != 0, + ((r.high() << beta) | (r.low() >> (64 - beta))) == 0}; + } + + static carrier_uint compute_left_endpoint_for_shorter_interval_case( + const cache_entry_type& cache, int beta) noexcept { + return (cache.high() - + (cache.high() >> (num_significand_bits() + 2))) >> + (64 - num_significand_bits() - 1 - beta); + } + + static carrier_uint compute_right_endpoint_for_shorter_interval_case( + const cache_entry_type& cache, int beta) noexcept { + return (cache.high() + + (cache.high() >> (num_significand_bits() + 1))) >> + (64 - num_significand_bits() - 1 - beta); + } + + static carrier_uint compute_round_up_for_shorter_interval_case( + const cache_entry_type& cache, int beta) noexcept { + return ((cache.high() >> (64 - num_significand_bits() - 2 - beta)) + + 1) / + 2; + } +}; + +// Various integer checks +template +bool is_left_endpoint_integer_shorter_interval(int exponent) noexcept { + const int case_shorter_interval_left_endpoint_lower_threshold = 2; + const int case_shorter_interval_left_endpoint_upper_threshold = 3; + return exponent >= case_shorter_interval_left_endpoint_lower_threshold && + exponent <= case_shorter_interval_left_endpoint_upper_threshold; +} + +// Remove trailing zeros from n and return the number of zeros removed (float) +FMT_INLINE int remove_trailing_zeros(uint32_t& n) noexcept { + FMT_ASSERT(n != 0, ""); + const uint32_t mod_inv_5 = 0xcccccccd; + const uint32_t mod_inv_25 = mod_inv_5 * mod_inv_5; + + int s = 0; + while (true) { + auto q = rotr(n * mod_inv_25, 2); + if (q > max_value() / 100) break; + n = q; + s += 2; + } + auto q = rotr(n * mod_inv_5, 1); + if (q <= max_value() / 10) { + n = q; + s |= 1; + } + + return s; +} + +// Removes trailing zeros and returns the number of zeros removed (double) +FMT_INLINE int remove_trailing_zeros(uint64_t& n) noexcept { + FMT_ASSERT(n != 0, ""); + + // This magic number is ceil(2^90 / 10^8). + constexpr uint64_t magic_number = 12379400392853802749ull; + auto nm = umul128(n, magic_number); + + // Is n is divisible by 10^8? + if ((nm.high() & ((1ull << (90 - 64)) - 1)) == 0 && nm.low() < magic_number) { + // If yes, work with the quotient. + auto n32 = static_cast(nm.high() >> (90 - 64)); + + const uint32_t mod_inv_5 = 0xcccccccd; + const uint32_t mod_inv_25 = mod_inv_5 * mod_inv_5; + + int s = 8; + while (true) { + auto q = rotr(n32 * mod_inv_25, 2); + if (q > max_value() / 100) break; + n32 = q; + s += 2; + } + auto q = rotr(n32 * mod_inv_5, 1); + if (q <= max_value() / 10) { + n32 = q; + s |= 1; + } + + n = n32; + return s; + } + + // If n is not divisible by 10^8, work with n itself. + const uint64_t mod_inv_5 = 0xcccccccccccccccd; + const uint64_t mod_inv_25 = mod_inv_5 * mod_inv_5; + + int s = 0; + while (true) { + auto q = rotr(n * mod_inv_25, 2); + if (q > max_value() / 100) break; + n = q; + s += 2; + } + auto q = rotr(n * mod_inv_5, 1); + if (q <= max_value() / 10) { + n = q; + s |= 1; + } + + return s; +} + +// The main algorithm for shorter interval case +template +FMT_INLINE decimal_fp shorter_interval_case(int exponent) noexcept { + decimal_fp ret_value; + // Compute k and beta + const int minus_k = floor_log10_pow2_minus_log10_4_over_3(exponent); + const int beta = exponent + floor_log2_pow10(-minus_k); + + // Compute xi and zi + using cache_entry_type = typename cache_accessor::cache_entry_type; + const cache_entry_type cache = cache_accessor::get_cached_power(-minus_k); + + auto xi = cache_accessor::compute_left_endpoint_for_shorter_interval_case( + cache, beta); + auto zi = cache_accessor::compute_right_endpoint_for_shorter_interval_case( + cache, beta); + + // If the left endpoint is not an integer, increase it + if (!is_left_endpoint_integer_shorter_interval(exponent)) ++xi; + + // Try bigger divisor + ret_value.significand = zi / 10; + + // If succeed, remove trailing zeros if necessary and return + if (ret_value.significand * 10 >= xi) { + ret_value.exponent = minus_k + 1; + ret_value.exponent += remove_trailing_zeros(ret_value.significand); + return ret_value; + } + + // Otherwise, compute the round-up of y + ret_value.significand = + cache_accessor::compute_round_up_for_shorter_interval_case(cache, + beta); + ret_value.exponent = minus_k; + + // When tie occurs, choose one of them according to the rule + if (exponent >= float_info::shorter_interval_tie_lower_threshold && + exponent <= float_info::shorter_interval_tie_upper_threshold) { + ret_value.significand = ret_value.significand % 2 == 0 + ? ret_value.significand + : ret_value.significand - 1; + } else if (ret_value.significand < xi) { + ++ret_value.significand; + } + return ret_value; +} + +template decimal_fp to_decimal(T x) noexcept { + // Step 1: integer promotion & Schubfach multiplier calculation. + + using carrier_uint = typename float_info::carrier_uint; + using cache_entry_type = typename cache_accessor::cache_entry_type; + auto br = bit_cast(x); + + // Extract significand bits and exponent bits. + const carrier_uint significand_mask = + (static_cast(1) << num_significand_bits()) - 1; + carrier_uint significand = (br & significand_mask); + int exponent = + static_cast((br & exponent_mask()) >> num_significand_bits()); + + if (exponent != 0) { // Check if normal. + exponent -= exponent_bias() + num_significand_bits(); + + // Shorter interval case; proceed like Schubfach. + // In fact, when exponent == 1 and significand == 0, the interval is + // regular. However, it can be shown that the end-results are anyway same. + if (significand == 0) return shorter_interval_case(exponent); + + significand |= (static_cast(1) << num_significand_bits()); + } else { + // Subnormal case; the interval is always regular. + if (significand == 0) return {0, 0}; + exponent = + std::numeric_limits::min_exponent - num_significand_bits() - 1; + } + + const bool include_left_endpoint = (significand % 2 == 0); + const bool include_right_endpoint = include_left_endpoint; + + // Compute k and beta. + const int minus_k = floor_log10_pow2(exponent) - float_info::kappa; + const cache_entry_type cache = cache_accessor::get_cached_power(-minus_k); + const int beta = exponent + floor_log2_pow10(-minus_k); + + // Compute zi and deltai. + // 10^kappa <= deltai < 10^(kappa + 1) + const uint32_t deltai = cache_accessor::compute_delta(cache, beta); + const carrier_uint two_fc = significand << 1; + + // For the case of binary32, the result of integer check is not correct for + // 29711844 * 2^-82 + // = 6.1442653300000000008655037797566933477355632930994033813476... * 10^-18 + // and 29711844 * 2^-81 + // = 1.2288530660000000001731007559513386695471126586198806762695... * 10^-17, + // and they are the unique counterexamples. However, since 29711844 is even, + // this does not cause any problem for the endpoints calculations; it can only + // cause a problem when we need to perform integer check for the center. + // Fortunately, with these inputs, that branch is never executed, so we are + // fine. + const typename cache_accessor::compute_mul_result z_mul = + cache_accessor::compute_mul((two_fc | 1) << beta, cache); + + // Step 2: Try larger divisor; remove trailing zeros if necessary. + + // Using an upper bound on zi, we might be able to optimize the division + // better than the compiler; we are computing zi / big_divisor here. + decimal_fp ret_value; + ret_value.significand = divide_by_10_to_kappa_plus_1(z_mul.result); + uint32_t r = static_cast(z_mul.result - float_info::big_divisor * + ret_value.significand); + + if (r < deltai) { + // Exclude the right endpoint if necessary. + if (r == 0 && (z_mul.is_integer & !include_right_endpoint)) { + --ret_value.significand; + r = float_info::big_divisor; + goto small_divisor_case_label; + } + } else if (r > deltai) { + goto small_divisor_case_label; + } else { + // r == deltai; compare fractional parts. + const typename cache_accessor::compute_mul_parity_result x_mul = + cache_accessor::compute_mul_parity(two_fc - 1, cache, beta); + + if (!(x_mul.parity | (x_mul.is_integer & include_left_endpoint))) + goto small_divisor_case_label; + } + ret_value.exponent = minus_k + float_info::kappa + 1; + + // We may need to remove trailing zeros. + ret_value.exponent += remove_trailing_zeros(ret_value.significand); + return ret_value; + + // Step 3: Find the significand with the smaller divisor. + +small_divisor_case_label: + ret_value.significand *= 10; + ret_value.exponent = minus_k + float_info::kappa; + + uint32_t dist = r - (deltai / 2) + (float_info::small_divisor / 2); + const bool approx_y_parity = + ((dist ^ (float_info::small_divisor / 2)) & 1) != 0; + + // Is dist divisible by 10^kappa? + const bool divisible_by_small_divisor = + check_divisibility_and_divide_by_pow10::kappa>(dist); + + // Add dist / 10^kappa to the significand. + ret_value.significand += dist; + + if (!divisible_by_small_divisor) return ret_value; + + // Check z^(f) >= epsilon^(f). + // We have either yi == zi - epsiloni or yi == (zi - epsiloni) - 1, + // where yi == zi - epsiloni if and only if z^(f) >= epsilon^(f). + // Since there are only 2 possibilities, we only need to care about the + // parity. Also, zi and r should have the same parity since the divisor + // is an even number. + const auto y_mul = cache_accessor::compute_mul_parity(two_fc, cache, beta); + + // If z^(f) >= epsilon^(f), we might have a tie when z^(f) == epsilon^(f), + // or equivalently, when y is an integer. + if (y_mul.parity != approx_y_parity) + --ret_value.significand; + else if (y_mul.is_integer & (ret_value.significand % 2 != 0)) + --ret_value.significand; + return ret_value; +} +} // namespace dragonbox + +#ifdef _MSC_VER +FMT_FUNC auto fmt_snprintf(char* buf, size_t size, const char* fmt, ...) + -> int { + auto args = va_list(); + va_start(args, fmt); + int result = vsnprintf_s(buf, size, _TRUNCATE, fmt, args); + va_end(args); + return result; +} +#endif +} // namespace detail + +template <> struct formatter { + FMT_CONSTEXPR auto parse(format_parse_context& ctx) + -> format_parse_context::iterator { + return ctx.begin(); + } + + template + auto format(const detail::bigint& n, FormatContext& ctx) const -> + typename FormatContext::iterator { + auto out = ctx.out(); + bool first = true; + for (auto i = n.bigits_.size(); i > 0; --i) { + auto value = n.bigits_[i - 1u]; + if (first) { + out = format_to(out, FMT_STRING("{:x}"), value); + first = false; + continue; + } + out = format_to(out, FMT_STRING("{:08x}"), value); + } + if (n.exp_ > 0) + out = format_to(out, FMT_STRING("p{}"), + n.exp_ * detail::bigint::bigit_bits); + return out; + } +}; + +FMT_FUNC detail::utf8_to_utf16::utf8_to_utf16(string_view s) { + for_each_codepoint(s, [this](uint32_t cp, string_view) { + if (cp == invalid_code_point) FMT_THROW(std::runtime_error("invalid utf8")); + if (cp <= 0xFFFF) { + buffer_.push_back(static_cast(cp)); + } else { + cp -= 0x10000; + buffer_.push_back(static_cast(0xD800 + (cp >> 10))); + buffer_.push_back(static_cast(0xDC00 + (cp & 0x3FF))); + } + return true; + }); + buffer_.push_back(0); +} + +FMT_FUNC void format_system_error(detail::buffer& out, int error_code, + const char* message) noexcept { + FMT_TRY { + auto ec = std::error_code(error_code, std::generic_category()); + write(std::back_inserter(out), std::system_error(ec, message).what()); + return; + } + FMT_CATCH(...) {} + format_error_code(out, error_code, message); +} + +FMT_FUNC void report_system_error(int error_code, + const char* message) noexcept { + report_error(format_system_error, error_code, message); +} + +FMT_FUNC std::string vformat(string_view fmt, format_args args) { + // Don't optimize the "{}" case to keep the binary size small and because it + // can be better optimized in fmt::format anyway. + auto buffer = memory_buffer(); + detail::vformat_to(buffer, fmt, args); + return to_string(buffer); +} + +namespace detail { +#ifdef _WIN32 +using dword = conditional_t; +extern "C" __declspec(dllimport) int __stdcall WriteConsoleW( // + void*, const void*, dword, dword*, void*); + +FMT_FUNC bool write_console(std::FILE* f, string_view text) { + auto fd = _fileno(f); + if (_isatty(fd)) { + detail::utf8_to_utf16 u16(string_view(text.data(), text.size())); + auto written = detail::dword(); + if (detail::WriteConsoleW(reinterpret_cast(_get_osfhandle(fd)), + u16.c_str(), static_cast(u16.size()), + &written, nullptr)) { + return true; + } + } + // We return false if the file descriptor was not TTY, or it was but + // SetConsoleW failed which can happen if the output has been redirected to + // NUL. In both cases when we return false, we should attempt to do regular + // write via fwrite or std::ostream::write. + return false; +} +#endif + +FMT_FUNC void print(std::FILE* f, string_view text) { +#ifdef _WIN32 + if (write_console(f, text)) return; +#endif + detail::fwrite_fully(text.data(), 1, text.size(), f); +} +} // namespace detail + +FMT_FUNC void vprint(std::FILE* f, string_view format_str, format_args args) { + memory_buffer buffer; + detail::vformat_to(buffer, format_str, args); + detail::print(f, {buffer.data(), buffer.size()}); +} + +#ifdef _WIN32 +// Print assuming legacy (non-Unicode) encoding. +FMT_FUNC void detail::vprint_mojibake(std::FILE* f, string_view format_str, + format_args args) { + memory_buffer buffer; + detail::vformat_to(buffer, format_str, + basic_format_args>(args)); + fwrite_fully(buffer.data(), 1, buffer.size(), f); +} +#endif + +FMT_FUNC void vprint(string_view format_str, format_args args) { + vprint(stdout, format_str, args); +} + +namespace detail { + +struct singleton { + unsigned char upper; + unsigned char lower_count; +}; + +inline auto is_printable(uint16_t x, const singleton* singletons, + size_t singletons_size, + const unsigned char* singleton_lowers, + const unsigned char* normal, size_t normal_size) + -> bool { + auto upper = x >> 8; + auto lower_start = 0; + for (size_t i = 0; i < singletons_size; ++i) { + auto s = singletons[i]; + auto lower_end = lower_start + s.lower_count; + if (upper < s.upper) break; + if (upper == s.upper) { + for (auto j = lower_start; j < lower_end; ++j) { + if (singleton_lowers[j] == (x & 0xff)) return false; + } + } + lower_start = lower_end; + } + + auto xsigned = static_cast(x); + auto current = true; + for (size_t i = 0; i < normal_size; ++i) { + auto v = static_cast(normal[i]); + auto len = (v & 0x80) != 0 ? (v & 0x7f) << 8 | normal[++i] : v; + xsigned -= len; + if (xsigned < 0) break; + current = !current; + } + return current; +} + +// This code is generated by support/printable.py. +FMT_FUNC auto is_printable(uint32_t cp) -> bool { + static constexpr singleton singletons0[] = { + {0x00, 1}, {0x03, 5}, {0x05, 6}, {0x06, 3}, {0x07, 6}, {0x08, 8}, + {0x09, 17}, {0x0a, 28}, {0x0b, 25}, {0x0c, 20}, {0x0d, 16}, {0x0e, 13}, + {0x0f, 4}, {0x10, 3}, {0x12, 18}, {0x13, 9}, {0x16, 1}, {0x17, 5}, + {0x18, 2}, {0x19, 3}, {0x1a, 7}, {0x1c, 2}, {0x1d, 1}, {0x1f, 22}, + {0x20, 3}, {0x2b, 3}, {0x2c, 2}, {0x2d, 11}, {0x2e, 1}, {0x30, 3}, + {0x31, 2}, {0x32, 1}, {0xa7, 2}, {0xa9, 2}, {0xaa, 4}, {0xab, 8}, + {0xfa, 2}, {0xfb, 5}, {0xfd, 4}, {0xfe, 3}, {0xff, 9}, + }; + static constexpr unsigned char singletons0_lower[] = { + 0xad, 0x78, 0x79, 0x8b, 0x8d, 0xa2, 0x30, 0x57, 0x58, 0x8b, 0x8c, 0x90, + 0x1c, 0x1d, 0xdd, 0x0e, 0x0f, 0x4b, 0x4c, 0xfb, 0xfc, 0x2e, 0x2f, 0x3f, + 0x5c, 0x5d, 0x5f, 0xb5, 0xe2, 0x84, 0x8d, 0x8e, 0x91, 0x92, 0xa9, 0xb1, + 0xba, 0xbb, 0xc5, 0xc6, 0xc9, 0xca, 0xde, 0xe4, 0xe5, 0xff, 0x00, 0x04, + 0x11, 0x12, 0x29, 0x31, 0x34, 0x37, 0x3a, 0x3b, 0x3d, 0x49, 0x4a, 0x5d, + 0x84, 0x8e, 0x92, 0xa9, 0xb1, 0xb4, 0xba, 0xbb, 0xc6, 0xca, 0xce, 0xcf, + 0xe4, 0xe5, 0x00, 0x04, 0x0d, 0x0e, 0x11, 0x12, 0x29, 0x31, 0x34, 0x3a, + 0x3b, 0x45, 0x46, 0x49, 0x4a, 0x5e, 0x64, 0x65, 0x84, 0x91, 0x9b, 0x9d, + 0xc9, 0xce, 0xcf, 0x0d, 0x11, 0x29, 0x45, 0x49, 0x57, 0x64, 0x65, 0x8d, + 0x91, 0xa9, 0xb4, 0xba, 0xbb, 0xc5, 0xc9, 0xdf, 0xe4, 0xe5, 0xf0, 0x0d, + 0x11, 0x45, 0x49, 0x64, 0x65, 0x80, 0x84, 0xb2, 0xbc, 0xbe, 0xbf, 0xd5, + 0xd7, 0xf0, 0xf1, 0x83, 0x85, 0x8b, 0xa4, 0xa6, 0xbe, 0xbf, 0xc5, 0xc7, + 0xce, 0xcf, 0xda, 0xdb, 0x48, 0x98, 0xbd, 0xcd, 0xc6, 0xce, 0xcf, 0x49, + 0x4e, 0x4f, 0x57, 0x59, 0x5e, 0x5f, 0x89, 0x8e, 0x8f, 0xb1, 0xb6, 0xb7, + 0xbf, 0xc1, 0xc6, 0xc7, 0xd7, 0x11, 0x16, 0x17, 0x5b, 0x5c, 0xf6, 0xf7, + 0xfe, 0xff, 0x80, 0x0d, 0x6d, 0x71, 0xde, 0xdf, 0x0e, 0x0f, 0x1f, 0x6e, + 0x6f, 0x1c, 0x1d, 0x5f, 0x7d, 0x7e, 0xae, 0xaf, 0xbb, 0xbc, 0xfa, 0x16, + 0x17, 0x1e, 0x1f, 0x46, 0x47, 0x4e, 0x4f, 0x58, 0x5a, 0x5c, 0x5e, 0x7e, + 0x7f, 0xb5, 0xc5, 0xd4, 0xd5, 0xdc, 0xf0, 0xf1, 0xf5, 0x72, 0x73, 0x8f, + 0x74, 0x75, 0x96, 0x2f, 0x5f, 0x26, 0x2e, 0x2f, 0xa7, 0xaf, 0xb7, 0xbf, + 0xc7, 0xcf, 0xd7, 0xdf, 0x9a, 0x40, 0x97, 0x98, 0x30, 0x8f, 0x1f, 0xc0, + 0xc1, 0xce, 0xff, 0x4e, 0x4f, 0x5a, 0x5b, 0x07, 0x08, 0x0f, 0x10, 0x27, + 0x2f, 0xee, 0xef, 0x6e, 0x6f, 0x37, 0x3d, 0x3f, 0x42, 0x45, 0x90, 0x91, + 0xfe, 0xff, 0x53, 0x67, 0x75, 0xc8, 0xc9, 0xd0, 0xd1, 0xd8, 0xd9, 0xe7, + 0xfe, 0xff, + }; + static constexpr singleton singletons1[] = { + {0x00, 6}, {0x01, 1}, {0x03, 1}, {0x04, 2}, {0x08, 8}, {0x09, 2}, + {0x0a, 5}, {0x0b, 2}, {0x0e, 4}, {0x10, 1}, {0x11, 2}, {0x12, 5}, + {0x13, 17}, {0x14, 1}, {0x15, 2}, {0x17, 2}, {0x19, 13}, {0x1c, 5}, + {0x1d, 8}, {0x24, 1}, {0x6a, 3}, {0x6b, 2}, {0xbc, 2}, {0xd1, 2}, + {0xd4, 12}, {0xd5, 9}, {0xd6, 2}, {0xd7, 2}, {0xda, 1}, {0xe0, 5}, + {0xe1, 2}, {0xe8, 2}, {0xee, 32}, {0xf0, 4}, {0xf8, 2}, {0xf9, 2}, + {0xfa, 2}, {0xfb, 1}, + }; + static constexpr unsigned char singletons1_lower[] = { + 0x0c, 0x27, 0x3b, 0x3e, 0x4e, 0x4f, 0x8f, 0x9e, 0x9e, 0x9f, 0x06, 0x07, + 0x09, 0x36, 0x3d, 0x3e, 0x56, 0xf3, 0xd0, 0xd1, 0x04, 0x14, 0x18, 0x36, + 0x37, 0x56, 0x57, 0x7f, 0xaa, 0xae, 0xaf, 0xbd, 0x35, 0xe0, 0x12, 0x87, + 0x89, 0x8e, 0x9e, 0x04, 0x0d, 0x0e, 0x11, 0x12, 0x29, 0x31, 0x34, 0x3a, + 0x45, 0x46, 0x49, 0x4a, 0x4e, 0x4f, 0x64, 0x65, 0x5c, 0xb6, 0xb7, 0x1b, + 0x1c, 0x07, 0x08, 0x0a, 0x0b, 0x14, 0x17, 0x36, 0x39, 0x3a, 0xa8, 0xa9, + 0xd8, 0xd9, 0x09, 0x37, 0x90, 0x91, 0xa8, 0x07, 0x0a, 0x3b, 0x3e, 0x66, + 0x69, 0x8f, 0x92, 0x6f, 0x5f, 0xee, 0xef, 0x5a, 0x62, 0x9a, 0x9b, 0x27, + 0x28, 0x55, 0x9d, 0xa0, 0xa1, 0xa3, 0xa4, 0xa7, 0xa8, 0xad, 0xba, 0xbc, + 0xc4, 0x06, 0x0b, 0x0c, 0x15, 0x1d, 0x3a, 0x3f, 0x45, 0x51, 0xa6, 0xa7, + 0xcc, 0xcd, 0xa0, 0x07, 0x19, 0x1a, 0x22, 0x25, 0x3e, 0x3f, 0xc5, 0xc6, + 0x04, 0x20, 0x23, 0x25, 0x26, 0x28, 0x33, 0x38, 0x3a, 0x48, 0x4a, 0x4c, + 0x50, 0x53, 0x55, 0x56, 0x58, 0x5a, 0x5c, 0x5e, 0x60, 0x63, 0x65, 0x66, + 0x6b, 0x73, 0x78, 0x7d, 0x7f, 0x8a, 0xa4, 0xaa, 0xaf, 0xb0, 0xc0, 0xd0, + 0xae, 0xaf, 0x79, 0xcc, 0x6e, 0x6f, 0x93, + }; + static constexpr unsigned char normal0[] = { + 0x00, 0x20, 0x5f, 0x22, 0x82, 0xdf, 0x04, 0x82, 0x44, 0x08, 0x1b, 0x04, + 0x06, 0x11, 0x81, 0xac, 0x0e, 0x80, 0xab, 0x35, 0x28, 0x0b, 0x80, 0xe0, + 0x03, 0x19, 0x08, 0x01, 0x04, 0x2f, 0x04, 0x34, 0x04, 0x07, 0x03, 0x01, + 0x07, 0x06, 0x07, 0x11, 0x0a, 0x50, 0x0f, 0x12, 0x07, 0x55, 0x07, 0x03, + 0x04, 0x1c, 0x0a, 0x09, 0x03, 0x08, 0x03, 0x07, 0x03, 0x02, 0x03, 0x03, + 0x03, 0x0c, 0x04, 0x05, 0x03, 0x0b, 0x06, 0x01, 0x0e, 0x15, 0x05, 0x3a, + 0x03, 0x11, 0x07, 0x06, 0x05, 0x10, 0x07, 0x57, 0x07, 0x02, 0x07, 0x15, + 0x0d, 0x50, 0x04, 0x43, 0x03, 0x2d, 0x03, 0x01, 0x04, 0x11, 0x06, 0x0f, + 0x0c, 0x3a, 0x04, 0x1d, 0x25, 0x5f, 0x20, 0x6d, 0x04, 0x6a, 0x25, 0x80, + 0xc8, 0x05, 0x82, 0xb0, 0x03, 0x1a, 0x06, 0x82, 0xfd, 0x03, 0x59, 0x07, + 0x15, 0x0b, 0x17, 0x09, 0x14, 0x0c, 0x14, 0x0c, 0x6a, 0x06, 0x0a, 0x06, + 0x1a, 0x06, 0x59, 0x07, 0x2b, 0x05, 0x46, 0x0a, 0x2c, 0x04, 0x0c, 0x04, + 0x01, 0x03, 0x31, 0x0b, 0x2c, 0x04, 0x1a, 0x06, 0x0b, 0x03, 0x80, 0xac, + 0x06, 0x0a, 0x06, 0x21, 0x3f, 0x4c, 0x04, 0x2d, 0x03, 0x74, 0x08, 0x3c, + 0x03, 0x0f, 0x03, 0x3c, 0x07, 0x38, 0x08, 0x2b, 0x05, 0x82, 0xff, 0x11, + 0x18, 0x08, 0x2f, 0x11, 0x2d, 0x03, 0x20, 0x10, 0x21, 0x0f, 0x80, 0x8c, + 0x04, 0x82, 0x97, 0x19, 0x0b, 0x15, 0x88, 0x94, 0x05, 0x2f, 0x05, 0x3b, + 0x07, 0x02, 0x0e, 0x18, 0x09, 0x80, 0xb3, 0x2d, 0x74, 0x0c, 0x80, 0xd6, + 0x1a, 0x0c, 0x05, 0x80, 0xff, 0x05, 0x80, 0xdf, 0x0c, 0xee, 0x0d, 0x03, + 0x84, 0x8d, 0x03, 0x37, 0x09, 0x81, 0x5c, 0x14, 0x80, 0xb8, 0x08, 0x80, + 0xcb, 0x2a, 0x38, 0x03, 0x0a, 0x06, 0x38, 0x08, 0x46, 0x08, 0x0c, 0x06, + 0x74, 0x0b, 0x1e, 0x03, 0x5a, 0x04, 0x59, 0x09, 0x80, 0x83, 0x18, 0x1c, + 0x0a, 0x16, 0x09, 0x4c, 0x04, 0x80, 0x8a, 0x06, 0xab, 0xa4, 0x0c, 0x17, + 0x04, 0x31, 0xa1, 0x04, 0x81, 0xda, 0x26, 0x07, 0x0c, 0x05, 0x05, 0x80, + 0xa5, 0x11, 0x81, 0x6d, 0x10, 0x78, 0x28, 0x2a, 0x06, 0x4c, 0x04, 0x80, + 0x8d, 0x04, 0x80, 0xbe, 0x03, 0x1b, 0x03, 0x0f, 0x0d, + }; + static constexpr unsigned char normal1[] = { + 0x5e, 0x22, 0x7b, 0x05, 0x03, 0x04, 0x2d, 0x03, 0x66, 0x03, 0x01, 0x2f, + 0x2e, 0x80, 0x82, 0x1d, 0x03, 0x31, 0x0f, 0x1c, 0x04, 0x24, 0x09, 0x1e, + 0x05, 0x2b, 0x05, 0x44, 0x04, 0x0e, 0x2a, 0x80, 0xaa, 0x06, 0x24, 0x04, + 0x24, 0x04, 0x28, 0x08, 0x34, 0x0b, 0x01, 0x80, 0x90, 0x81, 0x37, 0x09, + 0x16, 0x0a, 0x08, 0x80, 0x98, 0x39, 0x03, 0x63, 0x08, 0x09, 0x30, 0x16, + 0x05, 0x21, 0x03, 0x1b, 0x05, 0x01, 0x40, 0x38, 0x04, 0x4b, 0x05, 0x2f, + 0x04, 0x0a, 0x07, 0x09, 0x07, 0x40, 0x20, 0x27, 0x04, 0x0c, 0x09, 0x36, + 0x03, 0x3a, 0x05, 0x1a, 0x07, 0x04, 0x0c, 0x07, 0x50, 0x49, 0x37, 0x33, + 0x0d, 0x33, 0x07, 0x2e, 0x08, 0x0a, 0x81, 0x26, 0x52, 0x4e, 0x28, 0x08, + 0x2a, 0x56, 0x1c, 0x14, 0x17, 0x09, 0x4e, 0x04, 0x1e, 0x0f, 0x43, 0x0e, + 0x19, 0x07, 0x0a, 0x06, 0x48, 0x08, 0x27, 0x09, 0x75, 0x0b, 0x3f, 0x41, + 0x2a, 0x06, 0x3b, 0x05, 0x0a, 0x06, 0x51, 0x06, 0x01, 0x05, 0x10, 0x03, + 0x05, 0x80, 0x8b, 0x62, 0x1e, 0x48, 0x08, 0x0a, 0x80, 0xa6, 0x5e, 0x22, + 0x45, 0x0b, 0x0a, 0x06, 0x0d, 0x13, 0x39, 0x07, 0x0a, 0x36, 0x2c, 0x04, + 0x10, 0x80, 0xc0, 0x3c, 0x64, 0x53, 0x0c, 0x48, 0x09, 0x0a, 0x46, 0x45, + 0x1b, 0x48, 0x08, 0x53, 0x1d, 0x39, 0x81, 0x07, 0x46, 0x0a, 0x1d, 0x03, + 0x47, 0x49, 0x37, 0x03, 0x0e, 0x08, 0x0a, 0x06, 0x39, 0x07, 0x0a, 0x81, + 0x36, 0x19, 0x80, 0xb7, 0x01, 0x0f, 0x32, 0x0d, 0x83, 0x9b, 0x66, 0x75, + 0x0b, 0x80, 0xc4, 0x8a, 0xbc, 0x84, 0x2f, 0x8f, 0xd1, 0x82, 0x47, 0xa1, + 0xb9, 0x82, 0x39, 0x07, 0x2a, 0x04, 0x02, 0x60, 0x26, 0x0a, 0x46, 0x0a, + 0x28, 0x05, 0x13, 0x82, 0xb0, 0x5b, 0x65, 0x4b, 0x04, 0x39, 0x07, 0x11, + 0x40, 0x05, 0x0b, 0x02, 0x0e, 0x97, 0xf8, 0x08, 0x84, 0xd6, 0x2a, 0x09, + 0xa2, 0xf7, 0x81, 0x1f, 0x31, 0x03, 0x11, 0x04, 0x08, 0x81, 0x8c, 0x89, + 0x04, 0x6b, 0x05, 0x0d, 0x03, 0x09, 0x07, 0x10, 0x93, 0x60, 0x80, 0xf6, + 0x0a, 0x73, 0x08, 0x6e, 0x17, 0x46, 0x80, 0x9a, 0x14, 0x0c, 0x57, 0x09, + 0x19, 0x80, 0x87, 0x81, 0x47, 0x03, 0x85, 0x42, 0x0f, 0x15, 0x85, 0x50, + 0x2b, 0x80, 0xd5, 0x2d, 0x03, 0x1a, 0x04, 0x02, 0x81, 0x70, 0x3a, 0x05, + 0x01, 0x85, 0x00, 0x80, 0xd7, 0x29, 0x4c, 0x04, 0x0a, 0x04, 0x02, 0x83, + 0x11, 0x44, 0x4c, 0x3d, 0x80, 0xc2, 0x3c, 0x06, 0x01, 0x04, 0x55, 0x05, + 0x1b, 0x34, 0x02, 0x81, 0x0e, 0x2c, 0x04, 0x64, 0x0c, 0x56, 0x0a, 0x80, + 0xae, 0x38, 0x1d, 0x0d, 0x2c, 0x04, 0x09, 0x07, 0x02, 0x0e, 0x06, 0x80, + 0x9a, 0x83, 0xd8, 0x08, 0x0d, 0x03, 0x0d, 0x03, 0x74, 0x0c, 0x59, 0x07, + 0x0c, 0x14, 0x0c, 0x04, 0x38, 0x08, 0x0a, 0x06, 0x28, 0x08, 0x22, 0x4e, + 0x81, 0x54, 0x0c, 0x15, 0x03, 0x03, 0x05, 0x07, 0x09, 0x19, 0x07, 0x07, + 0x09, 0x03, 0x0d, 0x07, 0x29, 0x80, 0xcb, 0x25, 0x0a, 0x84, 0x06, + }; + auto lower = static_cast(cp); + if (cp < 0x10000) { + return is_printable(lower, singletons0, + sizeof(singletons0) / sizeof(*singletons0), + singletons0_lower, normal0, sizeof(normal0)); + } + if (cp < 0x20000) { + return is_printable(lower, singletons1, + sizeof(singletons1) / sizeof(*singletons1), + singletons1_lower, normal1, sizeof(normal1)); + } + if (0x2a6de <= cp && cp < 0x2a700) return false; + if (0x2b735 <= cp && cp < 0x2b740) return false; + if (0x2b81e <= cp && cp < 0x2b820) return false; + if (0x2cea2 <= cp && cp < 0x2ceb0) return false; + if (0x2ebe1 <= cp && cp < 0x2f800) return false; + if (0x2fa1e <= cp && cp < 0x30000) return false; + if (0x3134b <= cp && cp < 0xe0100) return false; + if (0xe01f0 <= cp && cp < 0x110000) return false; + return cp < 0x110000; +} + +} // namespace detail + +FMT_END_NAMESPACE + +#endif // FMT_FORMAT_INL_H_ diff --git a/src/spdlog/fmt/bundled/format.h b/src/spdlog/fmt/bundled/format.h new file mode 100644 index 00000000..7c607dbd --- /dev/null +++ b/src/spdlog/fmt/bundled/format.h @@ -0,0 +1,4217 @@ +/* + Formatting library for C++ + + Copyright (c) 2012 - present, Victor Zverovich + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + "Software"), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be + included in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE + LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION + OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + + --- Optional exception to the license --- + + As an exception, if, as a result of your compiling your source code, portions + of this Software are embedded into a machine-executable object form of such + source code, you may redistribute such embedded portions in such object form + without including the above copyright and permission notices. + */ + +#ifndef FMT_FORMAT_H_ +#define FMT_FORMAT_H_ + +#include // std::signbit +#include // uint32_t +#include // std::memcpy +#include // std::numeric_limits +#include // std::uninitialized_copy +#include // std::runtime_error +#include // std::system_error + +#ifdef __cpp_lib_bit_cast +# include // std::bitcast +#endif + +#include "core.h" + +#if FMT_GCC_VERSION +# define FMT_GCC_VISIBILITY_HIDDEN __attribute__((visibility("hidden"))) +#else +# define FMT_GCC_VISIBILITY_HIDDEN +#endif + +#ifdef __NVCC__ +# define FMT_CUDA_VERSION (__CUDACC_VER_MAJOR__ * 100 + __CUDACC_VER_MINOR__) +#else +# define FMT_CUDA_VERSION 0 +#endif + +#ifdef __has_builtin +# define FMT_HAS_BUILTIN(x) __has_builtin(x) +#else +# define FMT_HAS_BUILTIN(x) 0 +#endif + +#if FMT_GCC_VERSION || FMT_CLANG_VERSION +# define FMT_NOINLINE __attribute__((noinline)) +#else +# define FMT_NOINLINE +#endif + +#if FMT_MSC_VERSION +# define FMT_MSC_DEFAULT = default +#else +# define FMT_MSC_DEFAULT +#endif + +#ifndef FMT_THROW +# if FMT_EXCEPTIONS +# if FMT_MSC_VERSION || defined(__NVCC__) +FMT_BEGIN_NAMESPACE +namespace detail { +template inline void do_throw(const Exception& x) { + // Silence unreachable code warnings in MSVC and NVCC because these + // are nearly impossible to fix in a generic code. + volatile bool b = true; + if (b) throw x; +} +} // namespace detail +FMT_END_NAMESPACE +# define FMT_THROW(x) detail::do_throw(x) +# else +# define FMT_THROW(x) throw x +# endif +# else +# define FMT_THROW(x) \ + do { \ + FMT_ASSERT(false, (x).what()); \ + } while (false) +# endif +#endif + +#if FMT_EXCEPTIONS +# define FMT_TRY try +# define FMT_CATCH(x) catch (x) +#else +# define FMT_TRY if (true) +# define FMT_CATCH(x) if (false) +#endif + +#ifndef FMT_MAYBE_UNUSED +# if FMT_HAS_CPP17_ATTRIBUTE(maybe_unused) +# define FMT_MAYBE_UNUSED [[maybe_unused]] +# else +# define FMT_MAYBE_UNUSED +# endif +#endif + +#ifndef FMT_USE_USER_DEFINED_LITERALS +// EDG based compilers (Intel, NVIDIA, Elbrus, etc), GCC and MSVC support UDLs. +# if (FMT_HAS_FEATURE(cxx_user_literals) || FMT_GCC_VERSION >= 407 || \ + FMT_MSC_VERSION >= 1900) && \ + (!defined(__EDG_VERSION__) || __EDG_VERSION__ >= /* UDL feature */ 480) +# define FMT_USE_USER_DEFINED_LITERALS 1 +# else +# define FMT_USE_USER_DEFINED_LITERALS 0 +# endif +#endif + +// Defining FMT_REDUCE_INT_INSTANTIATIONS to 1, will reduce the number of +// integer formatter template instantiations to just one by only using the +// largest integer type. This results in a reduction in binary size but will +// cause a decrease in integer formatting performance. +#if !defined(FMT_REDUCE_INT_INSTANTIATIONS) +# define FMT_REDUCE_INT_INSTANTIATIONS 0 +#endif + +// __builtin_clz is broken in clang with Microsoft CodeGen: +// https://github.com/fmtlib/fmt/issues/519. +#if !FMT_MSC_VERSION +# if FMT_HAS_BUILTIN(__builtin_clz) || FMT_GCC_VERSION || FMT_ICC_VERSION +# define FMT_BUILTIN_CLZ(n) __builtin_clz(n) +# endif +# if FMT_HAS_BUILTIN(__builtin_clzll) || FMT_GCC_VERSION || FMT_ICC_VERSION +# define FMT_BUILTIN_CLZLL(n) __builtin_clzll(n) +# endif +#endif + +// __builtin_ctz is broken in Intel Compiler Classic on Windows: +// https://github.com/fmtlib/fmt/issues/2510. +#ifndef __ICL +# if FMT_HAS_BUILTIN(__builtin_ctz) || FMT_GCC_VERSION || FMT_ICC_VERSION || \ + defined(__NVCOMPILER) +# define FMT_BUILTIN_CTZ(n) __builtin_ctz(n) +# endif +# if FMT_HAS_BUILTIN(__builtin_ctzll) || FMT_GCC_VERSION || \ + FMT_ICC_VERSION || defined(__NVCOMPILER) +# define FMT_BUILTIN_CTZLL(n) __builtin_ctzll(n) +# endif +#endif + +#if FMT_MSC_VERSION +# include // _BitScanReverse[64], _BitScanForward[64], _umul128 +#endif + +// Some compilers masquerade as both MSVC and GCC-likes or otherwise support +// __builtin_clz and __builtin_clzll, so only define FMT_BUILTIN_CLZ using the +// MSVC intrinsics if the clz and clzll builtins are not available. +#if FMT_MSC_VERSION && !defined(FMT_BUILTIN_CLZLL) && \ + !defined(FMT_BUILTIN_CTZLL) +FMT_BEGIN_NAMESPACE +namespace detail { +// Avoid Clang with Microsoft CodeGen's -Wunknown-pragmas warning. +# if !defined(__clang__) +# pragma intrinsic(_BitScanForward) +# pragma intrinsic(_BitScanReverse) +# if defined(_WIN64) +# pragma intrinsic(_BitScanForward64) +# pragma intrinsic(_BitScanReverse64) +# endif +# endif + +inline auto clz(uint32_t x) -> int { + unsigned long r = 0; + _BitScanReverse(&r, x); + FMT_ASSERT(x != 0, ""); + // Static analysis complains about using uninitialized data + // "r", but the only way that can happen is if "x" is 0, + // which the callers guarantee to not happen. + FMT_MSC_WARNING(suppress : 6102) + return 31 ^ static_cast(r); +} +# define FMT_BUILTIN_CLZ(n) detail::clz(n) + +inline auto clzll(uint64_t x) -> int { + unsigned long r = 0; +# ifdef _WIN64 + _BitScanReverse64(&r, x); +# else + // Scan the high 32 bits. + if (_BitScanReverse(&r, static_cast(x >> 32))) return 63 ^ (r + 32); + // Scan the low 32 bits. + _BitScanReverse(&r, static_cast(x)); +# endif + FMT_ASSERT(x != 0, ""); + FMT_MSC_WARNING(suppress : 6102) // Suppress a bogus static analysis warning. + return 63 ^ static_cast(r); +} +# define FMT_BUILTIN_CLZLL(n) detail::clzll(n) + +inline auto ctz(uint32_t x) -> int { + unsigned long r = 0; + _BitScanForward(&r, x); + FMT_ASSERT(x != 0, ""); + FMT_MSC_WARNING(suppress : 6102) // Suppress a bogus static analysis warning. + return static_cast(r); +} +# define FMT_BUILTIN_CTZ(n) detail::ctz(n) + +inline auto ctzll(uint64_t x) -> int { + unsigned long r = 0; + FMT_ASSERT(x != 0, ""); + FMT_MSC_WARNING(suppress : 6102) // Suppress a bogus static analysis warning. +# ifdef _WIN64 + _BitScanForward64(&r, x); +# else + // Scan the low 32 bits. + if (_BitScanForward(&r, static_cast(x))) return static_cast(r); + // Scan the high 32 bits. + _BitScanForward(&r, static_cast(x >> 32)); + r += 32; +# endif + return static_cast(r); +} +# define FMT_BUILTIN_CTZLL(n) detail::ctzll(n) +} // namespace detail +FMT_END_NAMESPACE +#endif + +FMT_BEGIN_NAMESPACE +namespace detail { + +FMT_CONSTEXPR inline void abort_fuzzing_if(bool condition) { + ignore_unused(condition); +#ifdef FMT_FUZZ + if (condition) throw std::runtime_error("fuzzing limit reached"); +#endif +} + +template struct string_literal { + static constexpr CharT value[sizeof...(C)] = {C...}; + constexpr operator basic_string_view() const { + return {value, sizeof...(C)}; + } +}; + +#if FMT_CPLUSPLUS < 201703L +template +constexpr CharT string_literal::value[sizeof...(C)]; +#endif + +template class formatbuf : public Streambuf { + private: + using char_type = typename Streambuf::char_type; + using streamsize = decltype(std::declval().sputn(nullptr, 0)); + using int_type = typename Streambuf::int_type; + using traits_type = typename Streambuf::traits_type; + + buffer& buffer_; + + public: + explicit formatbuf(buffer& buf) : buffer_(buf) {} + + protected: + // The put area is always empty. This makes the implementation simpler and has + // the advantage that the streambuf and the buffer are always in sync and + // sputc never writes into uninitialized memory. A disadvantage is that each + // call to sputc always results in a (virtual) call to overflow. There is no + // disadvantage here for sputn since this always results in a call to xsputn. + + auto overflow(int_type ch) -> int_type override { + if (!traits_type::eq_int_type(ch, traits_type::eof())) + buffer_.push_back(static_cast(ch)); + return ch; + } + + auto xsputn(const char_type* s, streamsize count) -> streamsize override { + buffer_.append(s, s + count); + return count; + } +}; + +// Implementation of std::bit_cast for pre-C++20. +template +FMT_CONSTEXPR20 auto bit_cast(const From& from) -> To { +#ifdef __cpp_lib_bit_cast + if (is_constant_evaluated()) return std::bit_cast(from); +#endif + auto to = To(); + // The cast suppresses a bogus -Wclass-memaccess on GCC. + std::memcpy(static_cast(&to), &from, sizeof(to)); + return to; +} + +inline auto is_big_endian() -> bool { +#ifdef _WIN32 + return false; +#elif defined(__BIG_ENDIAN__) + return true; +#elif defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) + return __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__; +#else + struct bytes { + char data[sizeof(int)]; + }; + return bit_cast(1).data[0] == 0; +#endif +} + +class uint128_fallback { + private: + uint64_t lo_, hi_; + + friend uint128_fallback umul128(uint64_t x, uint64_t y) noexcept; + + public: + constexpr uint128_fallback(uint64_t hi, uint64_t lo) : lo_(lo), hi_(hi) {} + constexpr uint128_fallback(uint64_t value = 0) : lo_(value), hi_(0) {} + + constexpr uint64_t high() const noexcept { return hi_; } + constexpr uint64_t low() const noexcept { return lo_; } + + template ::value)> + constexpr explicit operator T() const { + return static_cast(lo_); + } + + friend constexpr auto operator==(const uint128_fallback& lhs, + const uint128_fallback& rhs) -> bool { + return lhs.hi_ == rhs.hi_ && lhs.lo_ == rhs.lo_; + } + friend constexpr auto operator!=(const uint128_fallback& lhs, + const uint128_fallback& rhs) -> bool { + return !(lhs == rhs); + } + friend constexpr auto operator>(const uint128_fallback& lhs, + const uint128_fallback& rhs) -> bool { + return lhs.hi_ != rhs.hi_ ? lhs.hi_ > rhs.hi_ : lhs.lo_ > rhs.lo_; + } + friend constexpr auto operator|(const uint128_fallback& lhs, + const uint128_fallback& rhs) + -> uint128_fallback { + return {lhs.hi_ | rhs.hi_, lhs.lo_ | rhs.lo_}; + } + friend constexpr auto operator&(const uint128_fallback& lhs, + const uint128_fallback& rhs) + -> uint128_fallback { + return {lhs.hi_ & rhs.hi_, lhs.lo_ & rhs.lo_}; + } + friend auto operator+(const uint128_fallback& lhs, + const uint128_fallback& rhs) -> uint128_fallback { + auto result = uint128_fallback(lhs); + result += rhs; + return result; + } + friend auto operator*(const uint128_fallback& lhs, uint32_t rhs) + -> uint128_fallback { + FMT_ASSERT(lhs.hi_ == 0, ""); + uint64_t hi = (lhs.lo_ >> 32) * rhs; + uint64_t lo = (lhs.lo_ & ~uint32_t()) * rhs; + uint64_t new_lo = (hi << 32) + lo; + return {(hi >> 32) + (new_lo < lo ? 1 : 0), new_lo}; + } + friend auto operator-(const uint128_fallback& lhs, uint64_t rhs) + -> uint128_fallback { + return {lhs.hi_ - (lhs.lo_ < rhs ? 1 : 0), lhs.lo_ - rhs}; + } + FMT_CONSTEXPR auto operator>>(int shift) const -> uint128_fallback { + if (shift == 64) return {0, hi_}; + if (shift > 64) return uint128_fallback(0, hi_) >> (shift - 64); + return {hi_ >> shift, (hi_ << (64 - shift)) | (lo_ >> shift)}; + } + FMT_CONSTEXPR auto operator<<(int shift) const -> uint128_fallback { + if (shift == 64) return {lo_, 0}; + if (shift > 64) return uint128_fallback(lo_, 0) << (shift - 64); + return {hi_ << shift | (lo_ >> (64 - shift)), (lo_ << shift)}; + } + FMT_CONSTEXPR auto operator>>=(int shift) -> uint128_fallback& { + return *this = *this >> shift; + } + FMT_CONSTEXPR void operator+=(uint128_fallback n) { + uint64_t new_lo = lo_ + n.lo_; + uint64_t new_hi = hi_ + n.hi_ + (new_lo < lo_ ? 1 : 0); + FMT_ASSERT(new_hi >= hi_, ""); + lo_ = new_lo; + hi_ = new_hi; + } + + FMT_CONSTEXPR20 uint128_fallback& operator+=(uint64_t n) noexcept { + if (is_constant_evaluated()) { + lo_ += n; + hi_ += (lo_ < n ? 1 : 0); + return *this; + } +#if FMT_HAS_BUILTIN(__builtin_addcll) && !defined(__ibmxl__) + unsigned long long carry; + lo_ = __builtin_addcll(lo_, n, 0, &carry); + hi_ += carry; +#elif FMT_HAS_BUILTIN(__builtin_ia32_addcarryx_u64) && !defined(__ibmxl__) + unsigned long long result; + auto carry = __builtin_ia32_addcarryx_u64(0, lo_, n, &result); + lo_ = result; + hi_ += carry; +#elif defined(_MSC_VER) && defined(_M_X64) + auto carry = _addcarry_u64(0, lo_, n, &lo_); + _addcarry_u64(carry, hi_, 0, &hi_); +#else + lo_ += n; + hi_ += (lo_ < n ? 1 : 0); +#endif + return *this; + } +}; + +using uint128_t = conditional_t; + +#ifdef UINTPTR_MAX +using uintptr_t = ::uintptr_t; +#else +using uintptr_t = uint128_t; +#endif + +// Returns the largest possible value for type T. Same as +// std::numeric_limits::max() but shorter and not affected by the max macro. +template constexpr auto max_value() -> T { + return (std::numeric_limits::max)(); +} +template constexpr auto num_bits() -> int { + return std::numeric_limits::digits; +} +// std::numeric_limits::digits may return 0 for 128-bit ints. +template <> constexpr auto num_bits() -> int { return 128; } +template <> constexpr auto num_bits() -> int { return 128; } + +// A heterogeneous bit_cast used for converting 96-bit long double to uint128_t +// and 128-bit pointers to uint128_fallback. +template sizeof(From))> +inline auto bit_cast(const From& from) -> To { + constexpr auto size = static_cast(sizeof(From) / sizeof(unsigned)); + struct data_t { + unsigned value[static_cast(size)]; + } data = bit_cast(from); + auto result = To(); + if (const_check(is_big_endian())) { + for (int i = 0; i < size; ++i) + result = (result << num_bits()) | data.value[i]; + } else { + for (int i = size - 1; i >= 0; --i) + result = (result << num_bits()) | data.value[i]; + } + return result; +} + +FMT_INLINE void assume(bool condition) { + (void)condition; +#if FMT_HAS_BUILTIN(__builtin_assume) && !FMT_ICC_VERSION + __builtin_assume(condition); +#endif +} + +// An approximation of iterator_t for pre-C++20 systems. +template +using iterator_t = decltype(std::begin(std::declval())); +template using sentinel_t = decltype(std::end(std::declval())); + +// A workaround for std::string not having mutable data() until C++17. +template +inline auto get_data(std::basic_string& s) -> Char* { + return &s[0]; +} +template +inline auto get_data(Container& c) -> typename Container::value_type* { + return c.data(); +} + +#if defined(_SECURE_SCL) && _SECURE_SCL +// Make a checked iterator to avoid MSVC warnings. +template using checked_ptr = stdext::checked_array_iterator; +template +constexpr auto make_checked(T* p, size_t size) -> checked_ptr { + return {p, size}; +} +#else +template using checked_ptr = T*; +template constexpr auto make_checked(T* p, size_t) -> T* { + return p; +} +#endif + +// Attempts to reserve space for n extra characters in the output range. +// Returns a pointer to the reserved range or a reference to it. +template ::value)> +#if FMT_CLANG_VERSION >= 307 && !FMT_ICC_VERSION +__attribute__((no_sanitize("undefined"))) +#endif +inline auto +reserve(std::back_insert_iterator it, size_t n) + -> checked_ptr { + Container& c = get_container(it); + size_t size = c.size(); + c.resize(size + n); + return make_checked(get_data(c) + size, n); +} + +template +inline auto reserve(buffer_appender it, size_t n) -> buffer_appender { + buffer& buf = get_container(it); + buf.try_reserve(buf.size() + n); + return it; +} + +template +constexpr auto reserve(Iterator& it, size_t) -> Iterator& { + return it; +} + +template +using reserve_iterator = + remove_reference_t(), 0))>; + +template +constexpr auto to_pointer(OutputIt, size_t) -> T* { + return nullptr; +} +template auto to_pointer(buffer_appender it, size_t n) -> T* { + buffer& buf = get_container(it); + auto size = buf.size(); + if (buf.capacity() < size + n) return nullptr; + buf.try_resize(size + n); + return buf.data() + size; +} + +template ::value)> +inline auto base_iterator(std::back_insert_iterator& it, + checked_ptr) + -> std::back_insert_iterator { + return it; +} + +template +constexpr auto base_iterator(Iterator, Iterator it) -> Iterator { + return it; +} + +// is spectacularly slow to compile in C++20 so use a simple fill_n +// instead (#1998). +template +FMT_CONSTEXPR auto fill_n(OutputIt out, Size count, const T& value) + -> OutputIt { + for (Size i = 0; i < count; ++i) *out++ = value; + return out; +} +template +FMT_CONSTEXPR20 auto fill_n(T* out, Size count, char value) -> T* { + if (is_constant_evaluated()) { + return fill_n(out, count, value); + } + std::memset(out, value, to_unsigned(count)); + return out + count; +} + +#ifdef __cpp_char8_t +using char8_type = char8_t; +#else +enum char8_type : unsigned char {}; +#endif + +template +FMT_CONSTEXPR FMT_NOINLINE auto copy_str_noinline(InputIt begin, InputIt end, + OutputIt out) -> OutputIt { + return copy_str(begin, end, out); +} + +// A public domain branchless UTF-8 decoder by Christopher Wellons: +// https://github.com/skeeto/branchless-utf8 +/* Decode the next character, c, from s, reporting errors in e. + * + * Since this is a branchless decoder, four bytes will be read from the + * buffer regardless of the actual length of the next character. This + * means the buffer _must_ have at least three bytes of zero padding + * following the end of the data stream. + * + * Errors are reported in e, which will be non-zero if the parsed + * character was somehow invalid: invalid byte sequence, non-canonical + * encoding, or a surrogate half. + * + * The function returns a pointer to the next character. When an error + * occurs, this pointer will be a guess that depends on the particular + * error, but it will always advance at least one byte. + */ +FMT_CONSTEXPR inline auto utf8_decode(const char* s, uint32_t* c, int* e) + -> const char* { + constexpr const int masks[] = {0x00, 0x7f, 0x1f, 0x0f, 0x07}; + constexpr const uint32_t mins[] = {4194304, 0, 128, 2048, 65536}; + constexpr const int shiftc[] = {0, 18, 12, 6, 0}; + constexpr const int shifte[] = {0, 6, 4, 2, 0}; + + int len = code_point_length_impl(*s); + // Compute the pointer to the next character early so that the next + // iteration can start working on the next character. Neither Clang + // nor GCC figure out this reordering on their own. + const char* next = s + len + !len; + + using uchar = unsigned char; + + // Assume a four-byte character and load four bytes. Unused bits are + // shifted out. + *c = uint32_t(uchar(s[0]) & masks[len]) << 18; + *c |= uint32_t(uchar(s[1]) & 0x3f) << 12; + *c |= uint32_t(uchar(s[2]) & 0x3f) << 6; + *c |= uint32_t(uchar(s[3]) & 0x3f) << 0; + *c >>= shiftc[len]; + + // Accumulate the various error conditions. + *e = (*c < mins[len]) << 6; // non-canonical encoding + *e |= ((*c >> 11) == 0x1b) << 7; // surrogate half? + *e |= (*c > 0x10FFFF) << 8; // out of range? + *e |= (uchar(s[1]) & 0xc0) >> 2; + *e |= (uchar(s[2]) & 0xc0) >> 4; + *e |= uchar(s[3]) >> 6; + *e ^= 0x2a; // top two bits of each tail byte correct? + *e >>= shifte[len]; + + return next; +} + +constexpr uint32_t invalid_code_point = ~uint32_t(); + +// Invokes f(cp, sv) for every code point cp in s with sv being the string view +// corresponding to the code point. cp is invalid_code_point on error. +template +FMT_CONSTEXPR void for_each_codepoint(string_view s, F f) { + auto decode = [f](const char* buf_ptr, const char* ptr) { + auto cp = uint32_t(); + auto error = 0; + auto end = utf8_decode(buf_ptr, &cp, &error); + bool result = f(error ? invalid_code_point : cp, + string_view(ptr, error ? 1 : to_unsigned(end - buf_ptr))); + return result ? (error ? buf_ptr + 1 : end) : nullptr; + }; + auto p = s.data(); + const size_t block_size = 4; // utf8_decode always reads blocks of 4 chars. + if (s.size() >= block_size) { + for (auto end = p + s.size() - block_size + 1; p < end;) { + p = decode(p, p); + if (!p) return; + } + } + if (auto num_chars_left = s.data() + s.size() - p) { + char buf[2 * block_size - 1] = {}; + copy_str(p, p + num_chars_left, buf); + const char* buf_ptr = buf; + do { + auto end = decode(buf_ptr, p); + if (!end) return; + p += end - buf_ptr; + buf_ptr = end; + } while (buf_ptr - buf < num_chars_left); + } +} + +template +inline auto compute_width(basic_string_view s) -> size_t { + return s.size(); +} + +// Computes approximate display width of a UTF-8 string. +FMT_CONSTEXPR inline size_t compute_width(string_view s) { + size_t num_code_points = 0; + // It is not a lambda for compatibility with C++14. + struct count_code_points { + size_t* count; + FMT_CONSTEXPR auto operator()(uint32_t cp, string_view) const -> bool { + *count += detail::to_unsigned( + 1 + + (cp >= 0x1100 && + (cp <= 0x115f || // Hangul Jamo init. consonants + cp == 0x2329 || // LEFT-POINTING ANGLE BRACKET + cp == 0x232a || // RIGHT-POINTING ANGLE BRACKET + // CJK ... Yi except IDEOGRAPHIC HALF FILL SPACE: + (cp >= 0x2e80 && cp <= 0xa4cf && cp != 0x303f) || + (cp >= 0xac00 && cp <= 0xd7a3) || // Hangul Syllables + (cp >= 0xf900 && cp <= 0xfaff) || // CJK Compatibility Ideographs + (cp >= 0xfe10 && cp <= 0xfe19) || // Vertical Forms + (cp >= 0xfe30 && cp <= 0xfe6f) || // CJK Compatibility Forms + (cp >= 0xff00 && cp <= 0xff60) || // Fullwidth Forms + (cp >= 0xffe0 && cp <= 0xffe6) || // Fullwidth Forms + (cp >= 0x20000 && cp <= 0x2fffd) || // CJK + (cp >= 0x30000 && cp <= 0x3fffd) || + // Miscellaneous Symbols and Pictographs + Emoticons: + (cp >= 0x1f300 && cp <= 0x1f64f) || + // Supplemental Symbols and Pictographs: + (cp >= 0x1f900 && cp <= 0x1f9ff)))); + return true; + } + }; + for_each_codepoint(s, count_code_points{&num_code_points}); + return num_code_points; +} + +inline auto compute_width(basic_string_view s) -> size_t { + return compute_width( + string_view(reinterpret_cast(s.data()), s.size())); +} + +template +inline auto code_point_index(basic_string_view s, size_t n) -> size_t { + size_t size = s.size(); + return n < size ? n : size; +} + +// Calculates the index of the nth code point in a UTF-8 string. +inline auto code_point_index(string_view s, size_t n) -> size_t { + const char* data = s.data(); + size_t num_code_points = 0; + for (size_t i = 0, size = s.size(); i != size; ++i) { + if ((data[i] & 0xc0) != 0x80 && ++num_code_points > n) return i; + } + return s.size(); +} + +inline auto code_point_index(basic_string_view s, size_t n) + -> size_t { + return code_point_index( + string_view(reinterpret_cast(s.data()), s.size()), n); +} + +#ifndef FMT_USE_FLOAT128 +# ifdef __SIZEOF_FLOAT128__ +# define FMT_USE_FLOAT128 1 +# else +# define FMT_USE_FLOAT128 0 +# endif +#endif +#if FMT_USE_FLOAT128 +using float128 = __float128; +#else +using float128 = void; +#endif +template using is_float128 = std::is_same; + +template +using is_floating_point = + bool_constant::value || is_float128::value>; + +template ::value> +struct is_fast_float : bool_constant::is_iec559 && + sizeof(T) <= sizeof(double)> {}; +template struct is_fast_float : std::false_type {}; + +template +using is_double_double = bool_constant::digits == 106>; + +#ifndef FMT_USE_FULL_CACHE_DRAGONBOX +# define FMT_USE_FULL_CACHE_DRAGONBOX 0 +#endif + +template +template +void buffer::append(const U* begin, const U* end) { + while (begin != end) { + auto count = to_unsigned(end - begin); + try_reserve(size_ + count); + auto free_cap = capacity_ - size_; + if (free_cap < count) count = free_cap; + std::uninitialized_copy_n(begin, count, make_checked(ptr_ + size_, count)); + size_ += count; + begin += count; + } +} + +template +struct is_locale : std::false_type {}; +template +struct is_locale> : std::true_type {}; +} // namespace detail + +FMT_MODULE_EXPORT_BEGIN + +// The number of characters to store in the basic_memory_buffer object itself +// to avoid dynamic memory allocation. +enum { inline_buffer_size = 500 }; + +/** + \rst + A dynamically growing memory buffer for trivially copyable/constructible types + with the first ``SIZE`` elements stored in the object itself. + + You can use the ``memory_buffer`` type alias for ``char`` instead. + + **Example**:: + + auto out = fmt::memory_buffer(); + format_to(std::back_inserter(out), "The answer is {}.", 42); + + This will append the following output to the ``out`` object: + + .. code-block:: none + + The answer is 42. + + The output can be converted to an ``std::string`` with ``to_string(out)``. + \endrst + */ +template > +class basic_memory_buffer final : public detail::buffer { + private: + T store_[SIZE]; + + // Don't inherit from Allocator avoid generating type_info for it. + Allocator alloc_; + + // Deallocate memory allocated by the buffer. + FMT_CONSTEXPR20 void deallocate() { + T* data = this->data(); + if (data != store_) alloc_.deallocate(data, this->capacity()); + } + + protected: + FMT_CONSTEXPR20 void grow(size_t size) override; + + public: + using value_type = T; + using const_reference = const T&; + + FMT_CONSTEXPR20 explicit basic_memory_buffer( + const Allocator& alloc = Allocator()) + : alloc_(alloc) { + this->set(store_, SIZE); + if (detail::is_constant_evaluated()) detail::fill_n(store_, SIZE, T()); + } + FMT_CONSTEXPR20 ~basic_memory_buffer() { deallocate(); } + + private: + // Move data from other to this buffer. + FMT_CONSTEXPR20 void move(basic_memory_buffer& other) { + alloc_ = std::move(other.alloc_); + T* data = other.data(); + size_t size = other.size(), capacity = other.capacity(); + if (data == other.store_) { + this->set(store_, capacity); + detail::copy_str(other.store_, other.store_ + size, + detail::make_checked(store_, capacity)); + } else { + this->set(data, capacity); + // Set pointer to the inline array so that delete is not called + // when deallocating. + other.set(other.store_, 0); + other.clear(); + } + this->resize(size); + } + + public: + /** + \rst + Constructs a :class:`fmt::basic_memory_buffer` object moving the content + of the other object to it. + \endrst + */ + FMT_CONSTEXPR20 basic_memory_buffer(basic_memory_buffer&& other) noexcept { + move(other); + } + + /** + \rst + Moves the content of the other ``basic_memory_buffer`` object to this one. + \endrst + */ + auto operator=(basic_memory_buffer&& other) noexcept -> basic_memory_buffer& { + FMT_ASSERT(this != &other, ""); + deallocate(); + move(other); + return *this; + } + + // Returns a copy of the allocator associated with this buffer. + auto get_allocator() const -> Allocator { return alloc_; } + + /** + Resizes the buffer to contain *count* elements. If T is a POD type new + elements may not be initialized. + */ + FMT_CONSTEXPR20 void resize(size_t count) { this->try_resize(count); } + + /** Increases the buffer capacity to *new_capacity*. */ + void reserve(size_t new_capacity) { this->try_reserve(new_capacity); } + + // Directly append data into the buffer + using detail::buffer::append; + template + void append(const ContiguousRange& range) { + append(range.data(), range.data() + range.size()); + } +}; + +template +FMT_CONSTEXPR20 void basic_memory_buffer::grow( + size_t size) { + detail::abort_fuzzing_if(size > 5000); + const size_t max_size = std::allocator_traits::max_size(alloc_); + size_t old_capacity = this->capacity(); + size_t new_capacity = old_capacity + old_capacity / 2; + if (size > new_capacity) + new_capacity = size; + else if (new_capacity > max_size) + new_capacity = size > max_size ? size : max_size; + T* old_data = this->data(); + T* new_data = + std::allocator_traits::allocate(alloc_, new_capacity); + // The following code doesn't throw, so the raw pointer above doesn't leak. + std::uninitialized_copy(old_data, old_data + this->size(), + detail::make_checked(new_data, new_capacity)); + this->set(new_data, new_capacity); + // deallocate must not throw according to the standard, but even if it does, + // the buffer already uses the new storage and will deallocate it in + // destructor. + if (old_data != store_) alloc_.deallocate(old_data, old_capacity); +} + +using memory_buffer = basic_memory_buffer; + +template +struct is_contiguous> : std::true_type { +}; + +namespace detail { +#ifdef _WIN32 +FMT_API bool write_console(std::FILE* f, string_view text); +#endif +FMT_API void print(std::FILE*, string_view); +} // namespace detail + +/** A formatting error such as invalid format string. */ +FMT_CLASS_API +class FMT_API format_error : public std::runtime_error { + public: + explicit format_error(const char* message) : std::runtime_error(message) {} + explicit format_error(const std::string& message) + : std::runtime_error(message) {} + format_error(const format_error&) = default; + format_error& operator=(const format_error&) = default; + format_error(format_error&&) = default; + format_error& operator=(format_error&&) = default; + ~format_error() noexcept override FMT_MSC_DEFAULT; +}; + +namespace detail_exported { +#if FMT_USE_NONTYPE_TEMPLATE_ARGS +template struct fixed_string { + constexpr fixed_string(const Char (&str)[N]) { + detail::copy_str(static_cast(str), + str + N, data); + } + Char data[N] = {}; +}; +#endif + +// Converts a compile-time string to basic_string_view. +template +constexpr auto compile_string_to_view(const Char (&s)[N]) + -> basic_string_view { + // Remove trailing NUL character if needed. Won't be present if this is used + // with a raw character array (i.e. not defined as a string). + return {s, N - (std::char_traits::to_int_type(s[N - 1]) == 0 ? 1 : 0)}; +} +template +constexpr auto compile_string_to_view(detail::std_string_view s) + -> basic_string_view { + return {s.data(), s.size()}; +} +} // namespace detail_exported + +FMT_BEGIN_DETAIL_NAMESPACE + +template struct is_integral : std::is_integral {}; +template <> struct is_integral : std::true_type {}; +template <> struct is_integral : std::true_type {}; + +template +using is_signed = + std::integral_constant::is_signed || + std::is_same::value>; + +// Returns true if value is negative, false otherwise. +// Same as `value < 0` but doesn't produce warnings if T is an unsigned type. +template ::value)> +constexpr auto is_negative(T value) -> bool { + return value < 0; +} +template ::value)> +constexpr auto is_negative(T) -> bool { + return false; +} + +template +FMT_CONSTEXPR auto is_supported_floating_point(T) -> bool { + if (std::is_same()) return FMT_USE_FLOAT; + if (std::is_same()) return FMT_USE_DOUBLE; + if (std::is_same()) return FMT_USE_LONG_DOUBLE; + return true; +} + +// Smallest of uint32_t, uint64_t, uint128_t that is large enough to +// represent all values of an integral type T. +template +using uint32_or_64_or_128_t = + conditional_t() <= 32 && !FMT_REDUCE_INT_INSTANTIATIONS, + uint32_t, + conditional_t() <= 64, uint64_t, uint128_t>>; +template +using uint64_or_128_t = conditional_t() <= 64, uint64_t, uint128_t>; + +#define FMT_POWERS_OF_10(factor) \ + factor * 10, (factor)*100, (factor)*1000, (factor)*10000, (factor)*100000, \ + (factor)*1000000, (factor)*10000000, (factor)*100000000, \ + (factor)*1000000000 + +// Converts value in the range [0, 100) to a string. +constexpr const char* digits2(size_t value) { + // GCC generates slightly better code when value is pointer-size. + return &"0001020304050607080910111213141516171819" + "2021222324252627282930313233343536373839" + "4041424344454647484950515253545556575859" + "6061626364656667686970717273747576777879" + "8081828384858687888990919293949596979899"[value * 2]; +} + +// Sign is a template parameter to workaround a bug in gcc 4.8. +template constexpr Char sign(Sign s) { +#if !FMT_GCC_VERSION || FMT_GCC_VERSION >= 604 + static_assert(std::is_same::value, ""); +#endif + return static_cast("\0-+ "[s]); +} + +template FMT_CONSTEXPR auto count_digits_fallback(T n) -> int { + int count = 1; + for (;;) { + // Integer division is slow so do it for a group of four digits instead + // of for every digit. The idea comes from the talk by Alexandrescu + // "Three Optimization Tips for C++". See speed-test for a comparison. + if (n < 10) return count; + if (n < 100) return count + 1; + if (n < 1000) return count + 2; + if (n < 10000) return count + 3; + n /= 10000u; + count += 4; + } +} +#if FMT_USE_INT128 +FMT_CONSTEXPR inline auto count_digits(uint128_opt n) -> int { + return count_digits_fallback(n); +} +#endif + +#ifdef FMT_BUILTIN_CLZLL +// It is a separate function rather than a part of count_digits to workaround +// the lack of static constexpr in constexpr functions. +inline auto do_count_digits(uint64_t n) -> int { + // This has comparable performance to the version by Kendall Willets + // (https://github.com/fmtlib/format-benchmark/blob/master/digits10) + // but uses smaller tables. + // Maps bsr(n) to ceil(log10(pow(2, bsr(n) + 1) - 1)). + static constexpr uint8_t bsr2log10[] = { + 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, + 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 9, 9, 9, 10, 10, 10, + 10, 11, 11, 11, 12, 12, 12, 13, 13, 13, 13, 14, 14, 14, 15, 15, + 15, 16, 16, 16, 16, 17, 17, 17, 18, 18, 18, 19, 19, 19, 19, 20}; + auto t = bsr2log10[FMT_BUILTIN_CLZLL(n | 1) ^ 63]; + static constexpr const uint64_t zero_or_powers_of_10[] = { + 0, 0, FMT_POWERS_OF_10(1U), FMT_POWERS_OF_10(1000000000ULL), + 10000000000000000000ULL}; + return t - (n < zero_or_powers_of_10[t]); +} +#endif + +// Returns the number of decimal digits in n. Leading zeros are not counted +// except for n == 0 in which case count_digits returns 1. +FMT_CONSTEXPR20 inline auto count_digits(uint64_t n) -> int { +#ifdef FMT_BUILTIN_CLZLL + if (!is_constant_evaluated()) { + return do_count_digits(n); + } +#endif + return count_digits_fallback(n); +} + +// Counts the number of digits in n. BITS = log2(radix). +template +FMT_CONSTEXPR auto count_digits(UInt n) -> int { +#ifdef FMT_BUILTIN_CLZ + if (!is_constant_evaluated() && num_bits() == 32) + return (FMT_BUILTIN_CLZ(static_cast(n) | 1) ^ 31) / BITS + 1; +#endif + // Lambda avoids unreachable code warnings from NVHPC. + return [](UInt m) { + int num_digits = 0; + do { + ++num_digits; + } while ((m >>= BITS) != 0); + return num_digits; + }(n); +} + +#ifdef FMT_BUILTIN_CLZ +// It is a separate function rather than a part of count_digits to workaround +// the lack of static constexpr in constexpr functions. +FMT_INLINE auto do_count_digits(uint32_t n) -> int { +// An optimization by Kendall Willets from https://bit.ly/3uOIQrB. +// This increments the upper 32 bits (log10(T) - 1) when >= T is added. +# define FMT_INC(T) (((sizeof(# T) - 1ull) << 32) - T) + static constexpr uint64_t table[] = { + FMT_INC(0), FMT_INC(0), FMT_INC(0), // 8 + FMT_INC(10), FMT_INC(10), FMT_INC(10), // 64 + FMT_INC(100), FMT_INC(100), FMT_INC(100), // 512 + FMT_INC(1000), FMT_INC(1000), FMT_INC(1000), // 4096 + FMT_INC(10000), FMT_INC(10000), FMT_INC(10000), // 32k + FMT_INC(100000), FMT_INC(100000), FMT_INC(100000), // 256k + FMT_INC(1000000), FMT_INC(1000000), FMT_INC(1000000), // 2048k + FMT_INC(10000000), FMT_INC(10000000), FMT_INC(10000000), // 16M + FMT_INC(100000000), FMT_INC(100000000), FMT_INC(100000000), // 128M + FMT_INC(1000000000), FMT_INC(1000000000), FMT_INC(1000000000), // 1024M + FMT_INC(1000000000), FMT_INC(1000000000) // 4B + }; + auto inc = table[FMT_BUILTIN_CLZ(n | 1) ^ 31]; + return static_cast((n + inc) >> 32); +} +#endif + +// Optional version of count_digits for better performance on 32-bit platforms. +FMT_CONSTEXPR20 inline auto count_digits(uint32_t n) -> int { +#ifdef FMT_BUILTIN_CLZ + if (!is_constant_evaluated()) { + return do_count_digits(n); + } +#endif + return count_digits_fallback(n); +} + +template constexpr auto digits10() noexcept -> int { + return std::numeric_limits::digits10; +} +template <> constexpr auto digits10() noexcept -> int { return 38; } +template <> constexpr auto digits10() noexcept -> int { return 38; } + +template struct thousands_sep_result { + std::string grouping; + Char thousands_sep; +}; + +template +FMT_API auto thousands_sep_impl(locale_ref loc) -> thousands_sep_result; +template +inline auto thousands_sep(locale_ref loc) -> thousands_sep_result { + auto result = thousands_sep_impl(loc); + return {result.grouping, Char(result.thousands_sep)}; +} +template <> +inline auto thousands_sep(locale_ref loc) -> thousands_sep_result { + return thousands_sep_impl(loc); +} + +template +FMT_API auto decimal_point_impl(locale_ref loc) -> Char; +template inline auto decimal_point(locale_ref loc) -> Char { + return Char(decimal_point_impl(loc)); +} +template <> inline auto decimal_point(locale_ref loc) -> wchar_t { + return decimal_point_impl(loc); +} + +// Compares two characters for equality. +template auto equal2(const Char* lhs, const char* rhs) -> bool { + return lhs[0] == Char(rhs[0]) && lhs[1] == Char(rhs[1]); +} +inline auto equal2(const char* lhs, const char* rhs) -> bool { + return memcmp(lhs, rhs, 2) == 0; +} + +// Copies two characters from src to dst. +template +FMT_CONSTEXPR20 FMT_INLINE void copy2(Char* dst, const char* src) { + if (!is_constant_evaluated() && sizeof(Char) == sizeof(char)) { + memcpy(dst, src, 2); + return; + } + *dst++ = static_cast(*src++); + *dst = static_cast(*src); +} + +template struct format_decimal_result { + Iterator begin; + Iterator end; +}; + +// Formats a decimal unsigned integer value writing into out pointing to a +// buffer of specified size. The caller must ensure that the buffer is large +// enough. +template +FMT_CONSTEXPR20 auto format_decimal(Char* out, UInt value, int size) + -> format_decimal_result { + FMT_ASSERT(size >= count_digits(value), "invalid digit count"); + out += size; + Char* end = out; + while (value >= 100) { + // Integer division is slow so do it for a group of two digits instead + // of for every digit. The idea comes from the talk by Alexandrescu + // "Three Optimization Tips for C++". See speed-test for a comparison. + out -= 2; + copy2(out, digits2(static_cast(value % 100))); + value /= 100; + } + if (value < 10) { + *--out = static_cast('0' + value); + return {out, end}; + } + out -= 2; + copy2(out, digits2(static_cast(value))); + return {out, end}; +} + +template >::value)> +FMT_CONSTEXPR inline auto format_decimal(Iterator out, UInt value, int size) + -> format_decimal_result { + // Buffer is large enough to hold all digits (digits10 + 1). + Char buffer[digits10() + 1]; + auto end = format_decimal(buffer, value, size).end; + return {out, detail::copy_str_noinline(buffer, end, out)}; +} + +template +FMT_CONSTEXPR auto format_uint(Char* buffer, UInt value, int num_digits, + bool upper = false) -> Char* { + buffer += num_digits; + Char* end = buffer; + do { + const char* digits = upper ? "0123456789ABCDEF" : "0123456789abcdef"; + unsigned digit = static_cast(value & ((1 << BASE_BITS) - 1)); + *--buffer = static_cast(BASE_BITS < 4 ? static_cast('0' + digit) + : digits[digit]); + } while ((value >>= BASE_BITS) != 0); + return end; +} + +template +inline auto format_uint(It out, UInt value, int num_digits, bool upper = false) + -> It { + if (auto ptr = to_pointer(out, to_unsigned(num_digits))) { + format_uint(ptr, value, num_digits, upper); + return out; + } + // Buffer should be large enough to hold all digits (digits / BASE_BITS + 1). + char buffer[num_bits() / BASE_BITS + 1]; + format_uint(buffer, value, num_digits, upper); + return detail::copy_str_noinline(buffer, buffer + num_digits, out); +} + +// A converter from UTF-8 to UTF-16. +class utf8_to_utf16 { + private: + basic_memory_buffer buffer_; + + public: + FMT_API explicit utf8_to_utf16(string_view s); + operator basic_string_view() const { return {&buffer_[0], size()}; } + auto size() const -> size_t { return buffer_.size() - 1; } + auto c_str() const -> const wchar_t* { return &buffer_[0]; } + auto str() const -> std::wstring { return {&buffer_[0], size()}; } +}; + +namespace dragonbox { + +// Type-specific information that Dragonbox uses. +template struct float_info; + +template <> struct float_info { + using carrier_uint = uint32_t; + static const int exponent_bits = 8; + static const int kappa = 1; + static const int big_divisor = 100; + static const int small_divisor = 10; + static const int min_k = -31; + static const int max_k = 46; + static const int shorter_interval_tie_lower_threshold = -35; + static const int shorter_interval_tie_upper_threshold = -35; +}; + +template <> struct float_info { + using carrier_uint = uint64_t; + static const int exponent_bits = 11; + static const int kappa = 2; + static const int big_divisor = 1000; + static const int small_divisor = 100; + static const int min_k = -292; + static const int max_k = 326; + static const int shorter_interval_tie_lower_threshold = -77; + static const int shorter_interval_tie_upper_threshold = -77; +}; + +// An 80- or 128-bit floating point number. +template +struct float_info::digits == 64 || + std::numeric_limits::digits == 113 || + is_float128::value>> { + using carrier_uint = detail::uint128_t; + static const int exponent_bits = 15; +}; + +// A double-double floating point number. +template +struct float_info::value>> { + using carrier_uint = detail::uint128_t; +}; + +template struct decimal_fp { + using significand_type = typename float_info::carrier_uint; + significand_type significand; + int exponent; +}; + +template FMT_API auto to_decimal(T x) noexcept -> decimal_fp; +} // namespace dragonbox + +// Returns true iff Float has the implicit bit which is not stored. +template constexpr bool has_implicit_bit() { + // An 80-bit FP number has a 64-bit significand an no implicit bit. + return std::numeric_limits::digits != 64; +} + +// Returns the number of significand bits stored in Float. The implicit bit is +// not counted since it is not stored. +template constexpr int num_significand_bits() { + // std::numeric_limits may not support __float128. + return is_float128() ? 112 + : (std::numeric_limits::digits - + (has_implicit_bit() ? 1 : 0)); +} + +template +constexpr auto exponent_mask() -> + typename dragonbox::float_info::carrier_uint { + using uint = typename dragonbox::float_info::carrier_uint; + return ((uint(1) << dragonbox::float_info::exponent_bits) - 1) + << num_significand_bits(); +} +template constexpr auto exponent_bias() -> int { + // std::numeric_limits may not support __float128. + return is_float128() ? 16383 + : std::numeric_limits::max_exponent - 1; +} + +// Writes the exponent exp in the form "[+-]d{2,3}" to buffer. +template +FMT_CONSTEXPR auto write_exponent(int exp, It it) -> It { + FMT_ASSERT(-10000 < exp && exp < 10000, "exponent out of range"); + if (exp < 0) { + *it++ = static_cast('-'); + exp = -exp; + } else { + *it++ = static_cast('+'); + } + if (exp >= 100) { + const char* top = digits2(to_unsigned(exp / 100)); + if (exp >= 1000) *it++ = static_cast(top[0]); + *it++ = static_cast(top[1]); + exp %= 100; + } + const char* d = digits2(to_unsigned(exp)); + *it++ = static_cast(d[0]); + *it++ = static_cast(d[1]); + return it; +} + +// A floating-point number f * pow(2, e) where F is an unsigned type. +template struct basic_fp { + F f; + int e; + + static constexpr const int num_significand_bits = + static_cast(sizeof(F) * num_bits()); + + constexpr basic_fp() : f(0), e(0) {} + constexpr basic_fp(uint64_t f_val, int e_val) : f(f_val), e(e_val) {} + + // Constructs fp from an IEEE754 floating-point number. + template FMT_CONSTEXPR basic_fp(Float n) { assign(n); } + + // Assigns n to this and return true iff predecessor is closer than successor. + template ::value)> + FMT_CONSTEXPR auto assign(Float n) -> bool { + static_assert(std::numeric_limits::digits <= 113, "unsupported FP"); + // Assume Float is in the format [sign][exponent][significand]. + using carrier_uint = typename dragonbox::float_info::carrier_uint; + const auto num_float_significand_bits = + detail::num_significand_bits(); + const auto implicit_bit = carrier_uint(1) << num_float_significand_bits; + const auto significand_mask = implicit_bit - 1; + auto u = bit_cast(n); + f = static_cast(u & significand_mask); + auto biased_e = static_cast((u & exponent_mask()) >> + num_float_significand_bits); + // The predecessor is closer if n is a normalized power of 2 (f == 0) + // other than the smallest normalized number (biased_e > 1). + auto is_predecessor_closer = f == 0 && biased_e > 1; + if (biased_e == 0) + biased_e = 1; // Subnormals use biased exponent 1 (min exponent). + else if (has_implicit_bit()) + f += static_cast(implicit_bit); + e = biased_e - exponent_bias() - num_float_significand_bits; + if (!has_implicit_bit()) ++e; + return is_predecessor_closer; + } + + template ::value)> + FMT_CONSTEXPR auto assign(Float n) -> bool { + static_assert(std::numeric_limits::is_iec559, "unsupported FP"); + return assign(static_cast(n)); + } +}; + +using fp = basic_fp; + +// Normalizes the value converted from double and multiplied by (1 << SHIFT). +template +FMT_CONSTEXPR basic_fp normalize(basic_fp value) { + // Handle subnormals. + const auto implicit_bit = F(1) << num_significand_bits(); + const auto shifted_implicit_bit = implicit_bit << SHIFT; + while ((value.f & shifted_implicit_bit) == 0) { + value.f <<= 1; + --value.e; + } + // Subtract 1 to account for hidden bit. + const auto offset = basic_fp::num_significand_bits - + num_significand_bits() - SHIFT - 1; + value.f <<= offset; + value.e -= offset; + return value; +} + +// Computes lhs * rhs / pow(2, 64) rounded to nearest with half-up tie breaking. +FMT_CONSTEXPR inline uint64_t multiply(uint64_t lhs, uint64_t rhs) { +#if FMT_USE_INT128 + auto product = static_cast<__uint128_t>(lhs) * rhs; + auto f = static_cast(product >> 64); + return (static_cast(product) & (1ULL << 63)) != 0 ? f + 1 : f; +#else + // Multiply 32-bit parts of significands. + uint64_t mask = (1ULL << 32) - 1; + uint64_t a = lhs >> 32, b = lhs & mask; + uint64_t c = rhs >> 32, d = rhs & mask; + uint64_t ac = a * c, bc = b * c, ad = a * d, bd = b * d; + // Compute mid 64-bit of result and round. + uint64_t mid = (bd >> 32) + (ad & mask) + (bc & mask) + (1U << 31); + return ac + (ad >> 32) + (bc >> 32) + (mid >> 32); +#endif +} + +FMT_CONSTEXPR inline fp operator*(fp x, fp y) { + return {multiply(x.f, y.f), x.e + y.e + 64}; +} + +template struct basic_data { + // Normalized 64-bit significands of pow(10, k), for k = -348, -340, ..., 340. + // These are generated by support/compute-powers.py. + static constexpr uint64_t pow10_significands[87] = { + 0xfa8fd5a0081c0288, 0xbaaee17fa23ebf76, 0x8b16fb203055ac76, + 0xcf42894a5dce35ea, 0x9a6bb0aa55653b2d, 0xe61acf033d1a45df, + 0xab70fe17c79ac6ca, 0xff77b1fcbebcdc4f, 0xbe5691ef416bd60c, + 0x8dd01fad907ffc3c, 0xd3515c2831559a83, 0x9d71ac8fada6c9b5, + 0xea9c227723ee8bcb, 0xaecc49914078536d, 0x823c12795db6ce57, + 0xc21094364dfb5637, 0x9096ea6f3848984f, 0xd77485cb25823ac7, + 0xa086cfcd97bf97f4, 0xef340a98172aace5, 0xb23867fb2a35b28e, + 0x84c8d4dfd2c63f3b, 0xc5dd44271ad3cdba, 0x936b9fcebb25c996, + 0xdbac6c247d62a584, 0xa3ab66580d5fdaf6, 0xf3e2f893dec3f126, + 0xb5b5ada8aaff80b8, 0x87625f056c7c4a8b, 0xc9bcff6034c13053, + 0x964e858c91ba2655, 0xdff9772470297ebd, 0xa6dfbd9fb8e5b88f, + 0xf8a95fcf88747d94, 0xb94470938fa89bcf, 0x8a08f0f8bf0f156b, + 0xcdb02555653131b6, 0x993fe2c6d07b7fac, 0xe45c10c42a2b3b06, + 0xaa242499697392d3, 0xfd87b5f28300ca0e, 0xbce5086492111aeb, + 0x8cbccc096f5088cc, 0xd1b71758e219652c, 0x9c40000000000000, + 0xe8d4a51000000000, 0xad78ebc5ac620000, 0x813f3978f8940984, + 0xc097ce7bc90715b3, 0x8f7e32ce7bea5c70, 0xd5d238a4abe98068, + 0x9f4f2726179a2245, 0xed63a231d4c4fb27, 0xb0de65388cc8ada8, + 0x83c7088e1aab65db, 0xc45d1df942711d9a, 0x924d692ca61be758, + 0xda01ee641a708dea, 0xa26da3999aef774a, 0xf209787bb47d6b85, + 0xb454e4a179dd1877, 0x865b86925b9bc5c2, 0xc83553c5c8965d3d, + 0x952ab45cfa97a0b3, 0xde469fbd99a05fe3, 0xa59bc234db398c25, + 0xf6c69a72a3989f5c, 0xb7dcbf5354e9bece, 0x88fcf317f22241e2, + 0xcc20ce9bd35c78a5, 0x98165af37b2153df, 0xe2a0b5dc971f303a, + 0xa8d9d1535ce3b396, 0xfb9b7cd9a4a7443c, 0xbb764c4ca7a44410, + 0x8bab8eefb6409c1a, 0xd01fef10a657842c, 0x9b10a4e5e9913129, + 0xe7109bfba19c0c9d, 0xac2820d9623bf429, 0x80444b5e7aa7cf85, + 0xbf21e44003acdd2d, 0x8e679c2f5e44ff8f, 0xd433179d9c8cb841, + 0x9e19db92b4e31ba9, 0xeb96bf6ebadf77d9, 0xaf87023b9bf0ee6b, + }; + +#if FMT_GCC_VERSION && FMT_GCC_VERSION < 409 +# pragma GCC diagnostic push +# pragma GCC diagnostic ignored "-Wnarrowing" +#endif + // Binary exponents of pow(10, k), for k = -348, -340, ..., 340, corresponding + // to significands above. + static constexpr int16_t pow10_exponents[87] = { + -1220, -1193, -1166, -1140, -1113, -1087, -1060, -1034, -1007, -980, -954, + -927, -901, -874, -847, -821, -794, -768, -741, -715, -688, -661, + -635, -608, -582, -555, -529, -502, -475, -449, -422, -396, -369, + -343, -316, -289, -263, -236, -210, -183, -157, -130, -103, -77, + -50, -24, 3, 30, 56, 83, 109, 136, 162, 189, 216, + 242, 269, 295, 322, 348, 375, 402, 428, 455, 481, 508, + 534, 561, 588, 614, 641, 667, 694, 720, 747, 774, 800, + 827, 853, 880, 907, 933, 960, 986, 1013, 1039, 1066}; +#if FMT_GCC_VERSION && FMT_GCC_VERSION < 409 +# pragma GCC diagnostic pop +#endif + + static constexpr uint64_t power_of_10_64[20] = { + 1, FMT_POWERS_OF_10(1ULL), FMT_POWERS_OF_10(1000000000ULL), + 10000000000000000000ULL}; +}; + +#if FMT_CPLUSPLUS < 201703L +template constexpr uint64_t basic_data::pow10_significands[]; +template constexpr int16_t basic_data::pow10_exponents[]; +template constexpr uint64_t basic_data::power_of_10_64[]; +#endif + +// This is a struct rather than an alias to avoid shadowing warnings in gcc. +struct data : basic_data<> {}; + +// Returns a cached power of 10 `c_k = c_k.f * pow(2, c_k.e)` such that its +// (binary) exponent satisfies `min_exponent <= c_k.e <= min_exponent + 28`. +FMT_CONSTEXPR inline fp get_cached_power(int min_exponent, + int& pow10_exponent) { + const int shift = 32; + // log10(2) = 0x0.4d104d427de7fbcc... + const int64_t significand = 0x4d104d427de7fbcc; + int index = static_cast( + ((min_exponent + fp::num_significand_bits - 1) * (significand >> shift) + + ((int64_t(1) << shift) - 1)) // ceil + >> 32 // arithmetic shift + ); + // Decimal exponent of the first (smallest) cached power of 10. + const int first_dec_exp = -348; + // Difference between 2 consecutive decimal exponents in cached powers of 10. + const int dec_exp_step = 8; + index = (index - first_dec_exp - 1) / dec_exp_step + 1; + pow10_exponent = first_dec_exp + index * dec_exp_step; + // Using *(x + index) instead of x[index] avoids an issue with some compilers + // using the EDG frontend (e.g. nvhpc/22.3 in C++17 mode). + return {*(data::pow10_significands + index), + *(data::pow10_exponents + index)}; +} + +#ifndef _MSC_VER +# define FMT_SNPRINTF snprintf +#else +FMT_API auto fmt_snprintf(char* buf, size_t size, const char* fmt, ...) -> int; +# define FMT_SNPRINTF fmt_snprintf +#endif // _MSC_VER + +// Formats a floating-point number with snprintf using the hexfloat format. +template +auto snprintf_float(T value, int precision, float_specs specs, + buffer& buf) -> int { + // Buffer capacity must be non-zero, otherwise MSVC's vsnprintf_s will fail. + FMT_ASSERT(buf.capacity() > buf.size(), "empty buffer"); + FMT_ASSERT(specs.format == float_format::hex, ""); + static_assert(!std::is_same::value, ""); + + // Build the format string. + char format[7]; // The longest format is "%#.*Le". + char* format_ptr = format; + *format_ptr++ = '%'; + if (specs.showpoint) *format_ptr++ = '#'; + if (precision >= 0) { + *format_ptr++ = '.'; + *format_ptr++ = '*'; + } + if (std::is_same()) *format_ptr++ = 'L'; + *format_ptr++ = specs.upper ? 'A' : 'a'; + *format_ptr = '\0'; + + // Format using snprintf. + auto offset = buf.size(); + for (;;) { + auto begin = buf.data() + offset; + auto capacity = buf.capacity() - offset; + abort_fuzzing_if(precision > 100000); + // Suppress the warning about a nonliteral format string. + // Cannot use auto because of a bug in MinGW (#1532). + int (*snprintf_ptr)(char*, size_t, const char*, ...) = FMT_SNPRINTF; + int result = precision >= 0 + ? snprintf_ptr(begin, capacity, format, precision, value) + : snprintf_ptr(begin, capacity, format, value); + if (result < 0) { + // The buffer will grow exponentially. + buf.try_reserve(buf.capacity() + 1); + continue; + } + auto size = to_unsigned(result); + // Size equal to capacity means that the last character was truncated. + if (size < capacity) { + buf.try_resize(size + offset); + return 0; + } + buf.try_reserve(size + offset + 1); // Add 1 for the terminating '\0'. + } +} + +template +using convert_float_result = + conditional_t::value || sizeof(T) == sizeof(double), + double, T>; + +template +constexpr auto convert_float(T value) -> convert_float_result { + return static_cast>(value); +} + +template +FMT_NOINLINE FMT_CONSTEXPR auto fill(OutputIt it, size_t n, + const fill_t& fill) -> OutputIt { + auto fill_size = fill.size(); + if (fill_size == 1) return detail::fill_n(it, n, fill[0]); + auto data = fill.data(); + for (size_t i = 0; i < n; ++i) + it = copy_str(data, data + fill_size, it); + return it; +} + +// Writes the output of f, padded according to format specifications in specs. +// size: output size in code units. +// width: output display width in (terminal) column positions. +template +FMT_CONSTEXPR auto write_padded(OutputIt out, + const basic_format_specs& specs, + size_t size, size_t width, F&& f) -> OutputIt { + static_assert(align == align::left || align == align::right, ""); + unsigned spec_width = to_unsigned(specs.width); + size_t padding = spec_width > width ? spec_width - width : 0; + // Shifts are encoded as string literals because static constexpr is not + // supported in constexpr functions. + auto* shifts = align == align::left ? "\x1f\x1f\x00\x01" : "\x00\x1f\x00\x01"; + size_t left_padding = padding >> shifts[specs.align]; + size_t right_padding = padding - left_padding; + auto it = reserve(out, size + padding * specs.fill.size()); + if (left_padding != 0) it = fill(it, left_padding, specs.fill); + it = f(it); + if (right_padding != 0) it = fill(it, right_padding, specs.fill); + return base_iterator(out, it); +} + +template +constexpr auto write_padded(OutputIt out, const basic_format_specs& specs, + size_t size, F&& f) -> OutputIt { + return write_padded(out, specs, size, size, f); +} + +template +FMT_CONSTEXPR auto write_bytes(OutputIt out, string_view bytes, + const basic_format_specs& specs) + -> OutputIt { + return write_padded( + out, specs, bytes.size(), [bytes](reserve_iterator it) { + const char* data = bytes.data(); + return copy_str(data, data + bytes.size(), it); + }); +} + +template +auto write_ptr(OutputIt out, UIntPtr value, + const basic_format_specs* specs) -> OutputIt { + int num_digits = count_digits<4>(value); + auto size = to_unsigned(num_digits) + size_t(2); + auto write = [=](reserve_iterator it) { + *it++ = static_cast('0'); + *it++ = static_cast('x'); + return format_uint<4, Char>(it, value, num_digits); + }; + return specs ? write_padded(out, *specs, size, write) + : base_iterator(out, write(reserve(out, size))); +} + +// Returns true iff the code point cp is printable. +FMT_API auto is_printable(uint32_t cp) -> bool; + +inline auto needs_escape(uint32_t cp) -> bool { + return cp < 0x20 || cp == 0x7f || cp == '"' || cp == '\\' || + !is_printable(cp); +} + +template struct find_escape_result { + const Char* begin; + const Char* end; + uint32_t cp; +}; + +template +using make_unsigned_char = + typename conditional_t::value, + std::make_unsigned, + type_identity>::type; + +template +auto find_escape(const Char* begin, const Char* end) + -> find_escape_result { + for (; begin != end; ++begin) { + uint32_t cp = static_cast>(*begin); + if (const_check(sizeof(Char) == 1) && cp >= 0x80) continue; + if (needs_escape(cp)) return {begin, begin + 1, cp}; + } + return {begin, nullptr, 0}; +} + +inline auto find_escape(const char* begin, const char* end) + -> find_escape_result { + if (!is_utf8()) return find_escape(begin, end); + auto result = find_escape_result{end, nullptr, 0}; + for_each_codepoint(string_view(begin, to_unsigned(end - begin)), + [&](uint32_t cp, string_view sv) { + if (needs_escape(cp)) { + result = {sv.begin(), sv.end(), cp}; + return false; + } + return true; + }); + return result; +} + +#define FMT_STRING_IMPL(s, base, explicit) \ + [] { \ + /* Use the hidden visibility as a workaround for a GCC bug (#1973). */ \ + /* Use a macro-like name to avoid shadowing warnings. */ \ + struct FMT_GCC_VISIBILITY_HIDDEN FMT_COMPILE_STRING : base { \ + using char_type FMT_MAYBE_UNUSED = fmt::remove_cvref_t; \ + FMT_MAYBE_UNUSED FMT_CONSTEXPR explicit \ + operator fmt::basic_string_view() const { \ + return fmt::detail_exported::compile_string_to_view(s); \ + } \ + }; \ + return FMT_COMPILE_STRING(); \ + }() + +/** + \rst + Constructs a compile-time format string from a string literal *s*. + + **Example**:: + + // A compile-time error because 'd' is an invalid specifier for strings. + std::string s = fmt::format(FMT_STRING("{:d}"), "foo"); + \endrst + */ +#define FMT_STRING(s) FMT_STRING_IMPL(s, fmt::detail::compile_string, ) + +template +auto write_codepoint(OutputIt out, char prefix, uint32_t cp) -> OutputIt { + *out++ = static_cast('\\'); + *out++ = static_cast(prefix); + Char buf[width]; + fill_n(buf, width, static_cast('0')); + format_uint<4>(buf, cp, width); + return copy_str(buf, buf + width, out); +} + +template +auto write_escaped_cp(OutputIt out, const find_escape_result& escape) + -> OutputIt { + auto c = static_cast(escape.cp); + switch (escape.cp) { + case '\n': + *out++ = static_cast('\\'); + c = static_cast('n'); + break; + case '\r': + *out++ = static_cast('\\'); + c = static_cast('r'); + break; + case '\t': + *out++ = static_cast('\\'); + c = static_cast('t'); + break; + case '"': + FMT_FALLTHROUGH; + case '\'': + FMT_FALLTHROUGH; + case '\\': + *out++ = static_cast('\\'); + break; + default: + if (is_utf8()) { + if (escape.cp < 0x100) { + return write_codepoint<2, Char>(out, 'x', escape.cp); + } + if (escape.cp < 0x10000) { + return write_codepoint<4, Char>(out, 'u', escape.cp); + } + if (escape.cp < 0x110000) { + return write_codepoint<8, Char>(out, 'U', escape.cp); + } + } + for (Char escape_char : basic_string_view( + escape.begin, to_unsigned(escape.end - escape.begin))) { + out = write_codepoint<2, Char>(out, 'x', + static_cast(escape_char) & 0xFF); + } + return out; + } + *out++ = c; + return out; +} + +template +auto write_escaped_string(OutputIt out, basic_string_view str) + -> OutputIt { + *out++ = static_cast('"'); + auto begin = str.begin(), end = str.end(); + do { + auto escape = find_escape(begin, end); + out = copy_str(begin, escape.begin, out); + begin = escape.end; + if (!begin) break; + out = write_escaped_cp(out, escape); + } while (begin != end); + *out++ = static_cast('"'); + return out; +} + +template +auto write_escaped_char(OutputIt out, Char v) -> OutputIt { + *out++ = static_cast('\''); + if ((needs_escape(static_cast(v)) && v != static_cast('"')) || + v == static_cast('\'')) { + out = write_escaped_cp( + out, find_escape_result{&v, &v + 1, static_cast(v)}); + } else { + *out++ = v; + } + *out++ = static_cast('\''); + return out; +} + +template +FMT_CONSTEXPR auto write_char(OutputIt out, Char value, + const basic_format_specs& specs) + -> OutputIt { + bool is_debug = specs.type == presentation_type::debug; + return write_padded(out, specs, 1, [=](reserve_iterator it) { + if (is_debug) return write_escaped_char(it, value); + *it++ = value; + return it; + }); +} +template +FMT_CONSTEXPR auto write(OutputIt out, Char value, + const basic_format_specs& specs, + locale_ref loc = {}) -> OutputIt { + return check_char_specs(specs) + ? write_char(out, value, specs) + : write(out, static_cast(value), specs, loc); +} + +// Data for write_int that doesn't depend on output iterator type. It is used to +// avoid template code bloat. +template struct write_int_data { + size_t size; + size_t padding; + + FMT_CONSTEXPR write_int_data(int num_digits, unsigned prefix, + const basic_format_specs& specs) + : size((prefix >> 24) + to_unsigned(num_digits)), padding(0) { + if (specs.align == align::numeric) { + auto width = to_unsigned(specs.width); + if (width > size) { + padding = width - size; + size = width; + } + } else if (specs.precision > num_digits) { + size = (prefix >> 24) + to_unsigned(specs.precision); + padding = to_unsigned(specs.precision - num_digits); + } + } +}; + +// Writes an integer in the format +// +// where are written by write_digits(it). +// prefix contains chars in three lower bytes and the size in the fourth byte. +template +FMT_CONSTEXPR FMT_INLINE auto write_int(OutputIt out, int num_digits, + unsigned prefix, + const basic_format_specs& specs, + W write_digits) -> OutputIt { + // Slightly faster check for specs.width == 0 && specs.precision == -1. + if ((specs.width | (specs.precision + 1)) == 0) { + auto it = reserve(out, to_unsigned(num_digits) + (prefix >> 24)); + if (prefix != 0) { + for (unsigned p = prefix & 0xffffff; p != 0; p >>= 8) + *it++ = static_cast(p & 0xff); + } + return base_iterator(out, write_digits(it)); + } + auto data = write_int_data(num_digits, prefix, specs); + return write_padded( + out, specs, data.size, [=](reserve_iterator it) { + for (unsigned p = prefix & 0xffffff; p != 0; p >>= 8) + *it++ = static_cast(p & 0xff); + it = detail::fill_n(it, data.padding, static_cast('0')); + return write_digits(it); + }); +} + +template class digit_grouping { + private: + thousands_sep_result sep_; + + struct next_state { + std::string::const_iterator group; + int pos; + }; + next_state initial_state() const { return {sep_.grouping.begin(), 0}; } + + // Returns the next digit group separator position. + int next(next_state& state) const { + if (!sep_.thousands_sep) return max_value(); + if (state.group == sep_.grouping.end()) + return state.pos += sep_.grouping.back(); + if (*state.group <= 0 || *state.group == max_value()) + return max_value(); + state.pos += *state.group++; + return state.pos; + } + + public: + explicit digit_grouping(locale_ref loc, bool localized = true) { + if (localized) + sep_ = thousands_sep(loc); + else + sep_.thousands_sep = Char(); + } + explicit digit_grouping(thousands_sep_result sep) : sep_(sep) {} + + Char separator() const { return sep_.thousands_sep; } + + int count_separators(int num_digits) const { + int count = 0; + auto state = initial_state(); + while (num_digits > next(state)) ++count; + return count; + } + + // Applies grouping to digits and write the output to out. + template + Out apply(Out out, basic_string_view digits) const { + auto num_digits = static_cast(digits.size()); + auto separators = basic_memory_buffer(); + separators.push_back(0); + auto state = initial_state(); + while (int i = next(state)) { + if (i >= num_digits) break; + separators.push_back(i); + } + for (int i = 0, sep_index = static_cast(separators.size() - 1); + i < num_digits; ++i) { + if (num_digits - i == separators[sep_index]) { + *out++ = separator(); + --sep_index; + } + *out++ = static_cast(digits[to_unsigned(i)]); + } + return out; + } +}; + +template +auto write_int_localized(OutputIt out, UInt value, unsigned prefix, + const basic_format_specs& specs, + const digit_grouping& grouping) -> OutputIt { + static_assert(std::is_same, UInt>::value, ""); + int num_digits = count_digits(value); + char digits[40]; + format_decimal(digits, value, num_digits); + unsigned size = to_unsigned((prefix != 0 ? 1 : 0) + num_digits + + grouping.count_separators(num_digits)); + return write_padded( + out, specs, size, size, [&](reserve_iterator it) { + if (prefix != 0) { + char sign = static_cast(prefix); + *it++ = static_cast(sign); + } + return grouping.apply(it, string_view(digits, to_unsigned(num_digits))); + }); +} + +template +auto write_int_localized(OutputIt& out, UInt value, unsigned prefix, + const basic_format_specs& specs, locale_ref loc) + -> bool { + auto grouping = digit_grouping(loc); + out = write_int_localized(out, value, prefix, specs, grouping); + return true; +} + +FMT_CONSTEXPR inline void prefix_append(unsigned& prefix, unsigned value) { + prefix |= prefix != 0 ? value << 8 : value; + prefix += (1u + (value > 0xff ? 1 : 0)) << 24; +} + +template struct write_int_arg { + UInt abs_value; + unsigned prefix; +}; + +template +FMT_CONSTEXPR auto make_write_int_arg(T value, sign_t sign) + -> write_int_arg> { + auto prefix = 0u; + auto abs_value = static_cast>(value); + if (is_negative(value)) { + prefix = 0x01000000 | '-'; + abs_value = 0 - abs_value; + } else { + constexpr const unsigned prefixes[4] = {0, 0, 0x1000000u | '+', + 0x1000000u | ' '}; + prefix = prefixes[sign]; + } + return {abs_value, prefix}; +} + +template +FMT_CONSTEXPR FMT_INLINE auto write_int(OutputIt out, write_int_arg arg, + const basic_format_specs& specs, + locale_ref loc) -> OutputIt { + static_assert(std::is_same>::value, ""); + auto abs_value = arg.abs_value; + auto prefix = arg.prefix; + switch (specs.type) { + case presentation_type::none: + case presentation_type::dec: { + if (specs.localized && + write_int_localized(out, static_cast>(abs_value), + prefix, specs, loc)) { + return out; + } + auto num_digits = count_digits(abs_value); + return write_int( + out, num_digits, prefix, specs, [=](reserve_iterator it) { + return format_decimal(it, abs_value, num_digits).end; + }); + } + case presentation_type::hex_lower: + case presentation_type::hex_upper: { + bool upper = specs.type == presentation_type::hex_upper; + if (specs.alt) + prefix_append(prefix, unsigned(upper ? 'X' : 'x') << 8 | '0'); + int num_digits = count_digits<4>(abs_value); + return write_int( + out, num_digits, prefix, specs, [=](reserve_iterator it) { + return format_uint<4, Char>(it, abs_value, num_digits, upper); + }); + } + case presentation_type::bin_lower: + case presentation_type::bin_upper: { + bool upper = specs.type == presentation_type::bin_upper; + if (specs.alt) + prefix_append(prefix, unsigned(upper ? 'B' : 'b') << 8 | '0'); + int num_digits = count_digits<1>(abs_value); + return write_int(out, num_digits, prefix, specs, + [=](reserve_iterator it) { + return format_uint<1, Char>(it, abs_value, num_digits); + }); + } + case presentation_type::oct: { + int num_digits = count_digits<3>(abs_value); + // Octal prefix '0' is counted as a digit, so only add it if precision + // is not greater than the number of digits. + if (specs.alt && specs.precision <= num_digits && abs_value != 0) + prefix_append(prefix, '0'); + return write_int(out, num_digits, prefix, specs, + [=](reserve_iterator it) { + return format_uint<3, Char>(it, abs_value, num_digits); + }); + } + case presentation_type::chr: + return write_char(out, static_cast(abs_value), specs); + default: + throw_format_error("invalid type specifier"); + } + return out; +} +template +FMT_CONSTEXPR FMT_NOINLINE auto write_int_noinline( + OutputIt out, write_int_arg arg, const basic_format_specs& specs, + locale_ref loc) -> OutputIt { + return write_int(out, arg, specs, loc); +} +template ::value && + !std::is_same::value && + std::is_same>::value)> +FMT_CONSTEXPR FMT_INLINE auto write(OutputIt out, T value, + const basic_format_specs& specs, + locale_ref loc) -> OutputIt { + return write_int_noinline(out, make_write_int_arg(value, specs.sign), specs, + loc); +} +// An inlined version of write used in format string compilation. +template ::value && + !std::is_same::value && + !std::is_same>::value)> +FMT_CONSTEXPR FMT_INLINE auto write(OutputIt out, T value, + const basic_format_specs& specs, + locale_ref loc) -> OutputIt { + return write_int(out, make_write_int_arg(value, specs.sign), specs, loc); +} + +// An output iterator that counts the number of objects written to it and +// discards them. +class counting_iterator { + private: + size_t count_; + + public: + using iterator_category = std::output_iterator_tag; + using difference_type = std::ptrdiff_t; + using pointer = void; + using reference = void; + FMT_UNCHECKED_ITERATOR(counting_iterator); + + struct value_type { + template FMT_CONSTEXPR void operator=(const T&) {} + }; + + FMT_CONSTEXPR counting_iterator() : count_(0) {} + + FMT_CONSTEXPR size_t count() const { return count_; } + + FMT_CONSTEXPR counting_iterator& operator++() { + ++count_; + return *this; + } + FMT_CONSTEXPR counting_iterator operator++(int) { + auto it = *this; + ++*this; + return it; + } + + FMT_CONSTEXPR friend counting_iterator operator+(counting_iterator it, + difference_type n) { + it.count_ += static_cast(n); + return it; + } + + FMT_CONSTEXPR value_type operator*() const { return {}; } +}; + +template +FMT_CONSTEXPR auto write(OutputIt out, basic_string_view s, + const basic_format_specs& specs) -> OutputIt { + auto data = s.data(); + auto size = s.size(); + if (specs.precision >= 0 && to_unsigned(specs.precision) < size) + size = code_point_index(s, to_unsigned(specs.precision)); + bool is_debug = specs.type == presentation_type::debug; + size_t width = 0; + if (specs.width != 0) { + if (is_debug) + width = write_escaped_string(counting_iterator{}, s).count(); + else + width = compute_width(basic_string_view(data, size)); + } + return write_padded(out, specs, size, width, + [=](reserve_iterator it) { + if (is_debug) return write_escaped_string(it, s); + return copy_str(data, data + size, it); + }); +} +template +FMT_CONSTEXPR auto write(OutputIt out, + basic_string_view> s, + const basic_format_specs& specs, locale_ref) + -> OutputIt { + check_string_type_spec(specs.type); + return write(out, s, specs); +} +template +FMT_CONSTEXPR auto write(OutputIt out, const Char* s, + const basic_format_specs& specs, locale_ref) + -> OutputIt { + return check_cstring_type_spec(specs.type) + ? write(out, basic_string_view(s), specs, {}) + : write_ptr(out, bit_cast(s), &specs); +} + +template ::value && + !std::is_same::value && + !std::is_same::value)> +FMT_CONSTEXPR auto write(OutputIt out, T value) -> OutputIt { + auto abs_value = static_cast>(value); + bool negative = is_negative(value); + // Don't do -abs_value since it trips unsigned-integer-overflow sanitizer. + if (negative) abs_value = ~abs_value + 1; + int num_digits = count_digits(abs_value); + auto size = (negative ? 1 : 0) + static_cast(num_digits); + auto it = reserve(out, size); + if (auto ptr = to_pointer(it, size)) { + if (negative) *ptr++ = static_cast('-'); + format_decimal(ptr, abs_value, num_digits); + return out; + } + if (negative) *it++ = static_cast('-'); + it = format_decimal(it, abs_value, num_digits).end; + return base_iterator(out, it); +} + +template +FMT_CONSTEXPR20 auto write_nonfinite(OutputIt out, bool isnan, + basic_format_specs specs, + const float_specs& fspecs) -> OutputIt { + auto str = + isnan ? (fspecs.upper ? "NAN" : "nan") : (fspecs.upper ? "INF" : "inf"); + constexpr size_t str_size = 3; + auto sign = fspecs.sign; + auto size = str_size + (sign ? 1 : 0); + // Replace '0'-padding with space for non-finite values. + const bool is_zero_fill = + specs.fill.size() == 1 && *specs.fill.data() == static_cast('0'); + if (is_zero_fill) specs.fill[0] = static_cast(' '); + return write_padded(out, specs, size, [=](reserve_iterator it) { + if (sign) *it++ = detail::sign(sign); + return copy_str(str, str + str_size, it); + }); +} + +// A decimal floating-point number significand * pow(10, exp). +struct big_decimal_fp { + const char* significand; + int significand_size; + int exponent; +}; + +constexpr auto get_significand_size(const big_decimal_fp& f) -> int { + return f.significand_size; +} +template +inline auto get_significand_size(const dragonbox::decimal_fp& f) -> int { + return count_digits(f.significand); +} + +template +constexpr auto write_significand(OutputIt out, const char* significand, + int significand_size) -> OutputIt { + return copy_str(significand, significand + significand_size, out); +} +template +inline auto write_significand(OutputIt out, UInt significand, + int significand_size) -> OutputIt { + return format_decimal(out, significand, significand_size).end; +} +template +FMT_CONSTEXPR20 auto write_significand(OutputIt out, T significand, + int significand_size, int exponent, + const Grouping& grouping) -> OutputIt { + if (!grouping.separator()) { + out = write_significand(out, significand, significand_size); + return detail::fill_n(out, exponent, static_cast('0')); + } + auto buffer = memory_buffer(); + write_significand(appender(buffer), significand, significand_size); + detail::fill_n(appender(buffer), exponent, '0'); + return grouping.apply(out, string_view(buffer.data(), buffer.size())); +} + +template ::value)> +inline auto write_significand(Char* out, UInt significand, int significand_size, + int integral_size, Char decimal_point) -> Char* { + if (!decimal_point) + return format_decimal(out, significand, significand_size).end; + out += significand_size + 1; + Char* end = out; + int floating_size = significand_size - integral_size; + for (int i = floating_size / 2; i > 0; --i) { + out -= 2; + copy2(out, digits2(static_cast(significand % 100))); + significand /= 100; + } + if (floating_size % 2 != 0) { + *--out = static_cast('0' + significand % 10); + significand /= 10; + } + *--out = decimal_point; + format_decimal(out - integral_size, significand, integral_size); + return end; +} + +template >::value)> +inline auto write_significand(OutputIt out, UInt significand, + int significand_size, int integral_size, + Char decimal_point) -> OutputIt { + // Buffer is large enough to hold digits (digits10 + 1) and a decimal point. + Char buffer[digits10() + 2]; + auto end = write_significand(buffer, significand, significand_size, + integral_size, decimal_point); + return detail::copy_str_noinline(buffer, end, out); +} + +template +FMT_CONSTEXPR auto write_significand(OutputIt out, const char* significand, + int significand_size, int integral_size, + Char decimal_point) -> OutputIt { + out = detail::copy_str_noinline(significand, + significand + integral_size, out); + if (!decimal_point) return out; + *out++ = decimal_point; + return detail::copy_str_noinline(significand + integral_size, + significand + significand_size, out); +} + +template +FMT_CONSTEXPR20 auto write_significand(OutputIt out, T significand, + int significand_size, int integral_size, + Char decimal_point, + const Grouping& grouping) -> OutputIt { + if (!grouping.separator()) { + return write_significand(out, significand, significand_size, integral_size, + decimal_point); + } + auto buffer = basic_memory_buffer(); + write_significand(buffer_appender(buffer), significand, + significand_size, integral_size, decimal_point); + grouping.apply( + out, basic_string_view(buffer.data(), to_unsigned(integral_size))); + return detail::copy_str_noinline(buffer.data() + integral_size, + buffer.end(), out); +} + +template > +FMT_CONSTEXPR20 auto do_write_float(OutputIt out, const DecimalFP& f, + const basic_format_specs& specs, + float_specs fspecs, locale_ref loc) + -> OutputIt { + auto significand = f.significand; + int significand_size = get_significand_size(f); + const Char zero = static_cast('0'); + auto sign = fspecs.sign; + size_t size = to_unsigned(significand_size) + (sign ? 1 : 0); + using iterator = reserve_iterator; + + Char decimal_point = + fspecs.locale ? detail::decimal_point(loc) : static_cast('.'); + + int output_exp = f.exponent + significand_size - 1; + auto use_exp_format = [=]() { + if (fspecs.format == float_format::exp) return true; + if (fspecs.format != float_format::general) return false; + // Use the fixed notation if the exponent is in [exp_lower, exp_upper), + // e.g. 0.0001 instead of 1e-04. Otherwise use the exponent notation. + const int exp_lower = -4, exp_upper = 16; + return output_exp < exp_lower || + output_exp >= (fspecs.precision > 0 ? fspecs.precision : exp_upper); + }; + if (use_exp_format()) { + int num_zeros = 0; + if (fspecs.showpoint) { + num_zeros = fspecs.precision - significand_size; + if (num_zeros < 0) num_zeros = 0; + size += to_unsigned(num_zeros); + } else if (significand_size == 1) { + decimal_point = Char(); + } + auto abs_output_exp = output_exp >= 0 ? output_exp : -output_exp; + int exp_digits = 2; + if (abs_output_exp >= 100) exp_digits = abs_output_exp >= 1000 ? 4 : 3; + + size += to_unsigned((decimal_point ? 1 : 0) + 2 + exp_digits); + char exp_char = fspecs.upper ? 'E' : 'e'; + auto write = [=](iterator it) { + if (sign) *it++ = detail::sign(sign); + // Insert a decimal point after the first digit and add an exponent. + it = write_significand(it, significand, significand_size, 1, + decimal_point); + if (num_zeros > 0) it = detail::fill_n(it, num_zeros, zero); + *it++ = static_cast(exp_char); + return write_exponent(output_exp, it); + }; + return specs.width > 0 ? write_padded(out, specs, size, write) + : base_iterator(out, write(reserve(out, size))); + } + + int exp = f.exponent + significand_size; + if (f.exponent >= 0) { + // 1234e5 -> 123400000[.0+] + size += to_unsigned(f.exponent); + int num_zeros = fspecs.precision - exp; + abort_fuzzing_if(num_zeros > 5000); + if (fspecs.showpoint) { + ++size; + if (num_zeros <= 0 && fspecs.format != float_format::fixed) num_zeros = 1; + if (num_zeros > 0) size += to_unsigned(num_zeros); + } + auto grouping = Grouping(loc, fspecs.locale); + size += to_unsigned(grouping.count_separators(exp)); + return write_padded(out, specs, size, [&](iterator it) { + if (sign) *it++ = detail::sign(sign); + it = write_significand(it, significand, significand_size, + f.exponent, grouping); + if (!fspecs.showpoint) return it; + *it++ = decimal_point; + return num_zeros > 0 ? detail::fill_n(it, num_zeros, zero) : it; + }); + } else if (exp > 0) { + // 1234e-2 -> 12.34[0+] + int num_zeros = fspecs.showpoint ? fspecs.precision - significand_size : 0; + size += 1 + to_unsigned(num_zeros > 0 ? num_zeros : 0); + auto grouping = Grouping(loc, fspecs.locale); + size += to_unsigned(grouping.count_separators(significand_size)); + return write_padded(out, specs, size, [&](iterator it) { + if (sign) *it++ = detail::sign(sign); + it = write_significand(it, significand, significand_size, exp, + decimal_point, grouping); + return num_zeros > 0 ? detail::fill_n(it, num_zeros, zero) : it; + }); + } + // 1234e-6 -> 0.001234 + int num_zeros = -exp; + if (significand_size == 0 && fspecs.precision >= 0 && + fspecs.precision < num_zeros) { + num_zeros = fspecs.precision; + } + bool pointy = num_zeros != 0 || significand_size != 0 || fspecs.showpoint; + size += 1 + (pointy ? 1 : 0) + to_unsigned(num_zeros); + return write_padded(out, specs, size, [&](iterator it) { + if (sign) *it++ = detail::sign(sign); + *it++ = zero; + if (!pointy) return it; + *it++ = decimal_point; + it = detail::fill_n(it, num_zeros, zero); + return write_significand(it, significand, significand_size); + }); +} + +template class fallback_digit_grouping { + public: + constexpr fallback_digit_grouping(locale_ref, bool) {} + + constexpr Char separator() const { return Char(); } + + constexpr int count_separators(int) const { return 0; } + + template + constexpr Out apply(Out out, basic_string_view) const { + return out; + } +}; + +template +FMT_CONSTEXPR20 auto write_float(OutputIt out, const DecimalFP& f, + const basic_format_specs& specs, + float_specs fspecs, locale_ref loc) + -> OutputIt { + if (is_constant_evaluated()) { + return do_write_float>(out, f, specs, fspecs, + loc); + } else { + return do_write_float(out, f, specs, fspecs, loc); + } +} + +template constexpr bool isnan(T value) { + return !(value >= value); // std::isnan doesn't support __float128. +} + +template +struct has_isfinite : std::false_type {}; + +template +struct has_isfinite> + : std::true_type {}; + +template ::value&& + has_isfinite::value)> +FMT_CONSTEXPR20 bool isfinite(T value) { + constexpr T inf = T(std::numeric_limits::infinity()); + if (is_constant_evaluated()) + return !detail::isnan(value) && value != inf && value != -inf; + return std::isfinite(value); +} +template ::value)> +FMT_CONSTEXPR bool isfinite(T value) { + T inf = T(std::numeric_limits::infinity()); + // std::isfinite doesn't support __float128. + return !detail::isnan(value) && value != inf && value != -inf; +} + +template ::value)> +FMT_INLINE FMT_CONSTEXPR bool signbit(T value) { + if (is_constant_evaluated()) { +#ifdef __cpp_if_constexpr + if constexpr (std::numeric_limits::is_iec559) { + auto bits = detail::bit_cast(static_cast(value)); + return (bits >> (num_bits() - 1)) != 0; + } +#endif + } + return std::signbit(static_cast(value)); +} + +enum class round_direction { unknown, up, down }; + +// Given the divisor (normally a power of 10), the remainder = v % divisor for +// some number v and the error, returns whether v should be rounded up, down, or +// whether the rounding direction can't be determined due to error. +// error should be less than divisor / 2. +FMT_CONSTEXPR inline round_direction get_round_direction(uint64_t divisor, + uint64_t remainder, + uint64_t error) { + FMT_ASSERT(remainder < divisor, ""); // divisor - remainder won't overflow. + FMT_ASSERT(error < divisor, ""); // divisor - error won't overflow. + FMT_ASSERT(error < divisor - error, ""); // error * 2 won't overflow. + // Round down if (remainder + error) * 2 <= divisor. + if (remainder <= divisor - remainder && error * 2 <= divisor - remainder * 2) + return round_direction::down; + // Round up if (remainder - error) * 2 >= divisor. + if (remainder >= error && + remainder - error >= divisor - (remainder - error)) { + return round_direction::up; + } + return round_direction::unknown; +} + +namespace digits { +enum result { + more, // Generate more digits. + done, // Done generating digits. + error // Digit generation cancelled due to an error. +}; +} + +struct gen_digits_handler { + char* buf; + int size; + int precision; + int exp10; + bool fixed; + + FMT_CONSTEXPR digits::result on_digit(char digit, uint64_t divisor, + uint64_t remainder, uint64_t error, + bool integral) { + FMT_ASSERT(remainder < divisor, ""); + buf[size++] = digit; + if (!integral && error >= remainder) return digits::error; + if (size < precision) return digits::more; + if (!integral) { + // Check if error * 2 < divisor with overflow prevention. + // The check is not needed for the integral part because error = 1 + // and divisor > (1 << 32) there. + if (error >= divisor || error >= divisor - error) return digits::error; + } else { + FMT_ASSERT(error == 1 && divisor > 2, ""); + } + auto dir = get_round_direction(divisor, remainder, error); + if (dir != round_direction::up) + return dir == round_direction::down ? digits::done : digits::error; + ++buf[size - 1]; + for (int i = size - 1; i > 0 && buf[i] > '9'; --i) { + buf[i] = '0'; + ++buf[i - 1]; + } + if (buf[0] > '9') { + buf[0] = '1'; + if (fixed) + buf[size++] = '0'; + else + ++exp10; + } + return digits::done; + } +}; + +inline FMT_CONSTEXPR20 void adjust_precision(int& precision, int exp10) { + // Adjust fixed precision by exponent because it is relative to decimal + // point. + if (exp10 > 0 && precision > max_value() - exp10) + FMT_THROW(format_error("number is too big")); + precision += exp10; +} + +// Generates output using the Grisu digit-gen algorithm. +// error: the size of the region (lower, upper) outside of which numbers +// definitely do not round to value (Delta in Grisu3). +FMT_INLINE FMT_CONSTEXPR20 auto grisu_gen_digits(fp value, uint64_t error, + int& exp, + gen_digits_handler& handler) + -> digits::result { + const fp one(1ULL << -value.e, value.e); + // The integral part of scaled value (p1 in Grisu) = value / one. It cannot be + // zero because it contains a product of two 64-bit numbers with MSB set (due + // to normalization) - 1, shifted right by at most 60 bits. + auto integral = static_cast(value.f >> -one.e); + FMT_ASSERT(integral != 0, ""); + FMT_ASSERT(integral == value.f >> -one.e, ""); + // The fractional part of scaled value (p2 in Grisu) c = value % one. + uint64_t fractional = value.f & (one.f - 1); + exp = count_digits(integral); // kappa in Grisu. + // Non-fixed formats require at least one digit and no precision adjustment. + if (handler.fixed) { + adjust_precision(handler.precision, exp + handler.exp10); + // Check if precision is satisfied just by leading zeros, e.g. + // format("{:.2f}", 0.001) gives "0.00" without generating any digits. + if (handler.precision <= 0) { + if (handler.precision < 0) return digits::done; + // Divide by 10 to prevent overflow. + uint64_t divisor = data::power_of_10_64[exp - 1] << -one.e; + auto dir = get_round_direction(divisor, value.f / 10, error * 10); + if (dir == round_direction::unknown) return digits::error; + handler.buf[handler.size++] = dir == round_direction::up ? '1' : '0'; + return digits::done; + } + } + // Generate digits for the integral part. This can produce up to 10 digits. + do { + uint32_t digit = 0; + auto divmod_integral = [&](uint32_t divisor) { + digit = integral / divisor; + integral %= divisor; + }; + // This optimization by Milo Yip reduces the number of integer divisions by + // one per iteration. + switch (exp) { + case 10: + divmod_integral(1000000000); + break; + case 9: + divmod_integral(100000000); + break; + case 8: + divmod_integral(10000000); + break; + case 7: + divmod_integral(1000000); + break; + case 6: + divmod_integral(100000); + break; + case 5: + divmod_integral(10000); + break; + case 4: + divmod_integral(1000); + break; + case 3: + divmod_integral(100); + break; + case 2: + divmod_integral(10); + break; + case 1: + digit = integral; + integral = 0; + break; + default: + FMT_ASSERT(false, "invalid number of digits"); + } + --exp; + auto remainder = (static_cast(integral) << -one.e) + fractional; + auto result = handler.on_digit(static_cast('0' + digit), + data::power_of_10_64[exp] << -one.e, + remainder, error, true); + if (result != digits::more) return result; + } while (exp > 0); + // Generate digits for the fractional part. + for (;;) { + fractional *= 10; + error *= 10; + char digit = static_cast('0' + (fractional >> -one.e)); + fractional &= one.f - 1; + --exp; + auto result = handler.on_digit(digit, one.f, fractional, error, false); + if (result != digits::more) return result; + } +} + +class bigint { + private: + // A bigint is stored as an array of bigits (big digits), with bigit at index + // 0 being the least significant one. + using bigit = uint32_t; + using double_bigit = uint64_t; + enum { bigits_capacity = 32 }; + basic_memory_buffer bigits_; + int exp_; + + FMT_CONSTEXPR20 bigit operator[](int index) const { + return bigits_[to_unsigned(index)]; + } + FMT_CONSTEXPR20 bigit& operator[](int index) { + return bigits_[to_unsigned(index)]; + } + + static constexpr const int bigit_bits = num_bits(); + + friend struct formatter; + + FMT_CONSTEXPR20 void subtract_bigits(int index, bigit other, bigit& borrow) { + auto result = static_cast((*this)[index]) - other - borrow; + (*this)[index] = static_cast(result); + borrow = static_cast(result >> (bigit_bits * 2 - 1)); + } + + FMT_CONSTEXPR20 void remove_leading_zeros() { + int num_bigits = static_cast(bigits_.size()) - 1; + while (num_bigits > 0 && (*this)[num_bigits] == 0) --num_bigits; + bigits_.resize(to_unsigned(num_bigits + 1)); + } + + // Computes *this -= other assuming aligned bigints and *this >= other. + FMT_CONSTEXPR20 void subtract_aligned(const bigint& other) { + FMT_ASSERT(other.exp_ >= exp_, "unaligned bigints"); + FMT_ASSERT(compare(*this, other) >= 0, ""); + bigit borrow = 0; + int i = other.exp_ - exp_; + for (size_t j = 0, n = other.bigits_.size(); j != n; ++i, ++j) + subtract_bigits(i, other.bigits_[j], borrow); + while (borrow > 0) subtract_bigits(i, 0, borrow); + remove_leading_zeros(); + } + + FMT_CONSTEXPR20 void multiply(uint32_t value) { + const double_bigit wide_value = value; + bigit carry = 0; + for (size_t i = 0, n = bigits_.size(); i < n; ++i) { + double_bigit result = bigits_[i] * wide_value + carry; + bigits_[i] = static_cast(result); + carry = static_cast(result >> bigit_bits); + } + if (carry != 0) bigits_.push_back(carry); + } + + template ::value || + std::is_same::value)> + FMT_CONSTEXPR20 void multiply(UInt value) { + using half_uint = + conditional_t::value, uint64_t, uint32_t>; + const int shift = num_bits() - bigit_bits; + const UInt lower = static_cast(value); + const UInt upper = value >> num_bits(); + UInt carry = 0; + for (size_t i = 0, n = bigits_.size(); i < n; ++i) { + UInt result = lower * bigits_[i] + static_cast(carry); + carry = (upper * bigits_[i] << shift) + (result >> bigit_bits) + + (carry >> bigit_bits); + bigits_[i] = static_cast(result); + } + while (carry != 0) { + bigits_.push_back(static_cast(carry)); + carry >>= bigit_bits; + } + } + + template ::value || + std::is_same::value)> + FMT_CONSTEXPR20 void assign(UInt n) { + size_t num_bigits = 0; + do { + bigits_[num_bigits++] = static_cast(n); + n >>= bigit_bits; + } while (n != 0); + bigits_.resize(num_bigits); + exp_ = 0; + } + + public: + FMT_CONSTEXPR20 bigint() : exp_(0) {} + explicit bigint(uint64_t n) { assign(n); } + + bigint(const bigint&) = delete; + void operator=(const bigint&) = delete; + + FMT_CONSTEXPR20 void assign(const bigint& other) { + auto size = other.bigits_.size(); + bigits_.resize(size); + auto data = other.bigits_.data(); + std::copy(data, data + size, make_checked(bigits_.data(), size)); + exp_ = other.exp_; + } + + template FMT_CONSTEXPR20 void operator=(Int n) { + FMT_ASSERT(n > 0, ""); + assign(uint64_or_128_t(n)); + } + + FMT_CONSTEXPR20 int num_bigits() const { + return static_cast(bigits_.size()) + exp_; + } + + FMT_NOINLINE FMT_CONSTEXPR20 bigint& operator<<=(int shift) { + FMT_ASSERT(shift >= 0, ""); + exp_ += shift / bigit_bits; + shift %= bigit_bits; + if (shift == 0) return *this; + bigit carry = 0; + for (size_t i = 0, n = bigits_.size(); i < n; ++i) { + bigit c = bigits_[i] >> (bigit_bits - shift); + bigits_[i] = (bigits_[i] << shift) + carry; + carry = c; + } + if (carry != 0) bigits_.push_back(carry); + return *this; + } + + template FMT_CONSTEXPR20 bigint& operator*=(Int value) { + FMT_ASSERT(value > 0, ""); + multiply(uint32_or_64_or_128_t(value)); + return *this; + } + + friend FMT_CONSTEXPR20 int compare(const bigint& lhs, const bigint& rhs) { + int num_lhs_bigits = lhs.num_bigits(), num_rhs_bigits = rhs.num_bigits(); + if (num_lhs_bigits != num_rhs_bigits) + return num_lhs_bigits > num_rhs_bigits ? 1 : -1; + int i = static_cast(lhs.bigits_.size()) - 1; + int j = static_cast(rhs.bigits_.size()) - 1; + int end = i - j; + if (end < 0) end = 0; + for (; i >= end; --i, --j) { + bigit lhs_bigit = lhs[i], rhs_bigit = rhs[j]; + if (lhs_bigit != rhs_bigit) return lhs_bigit > rhs_bigit ? 1 : -1; + } + if (i != j) return i > j ? 1 : -1; + return 0; + } + + // Returns compare(lhs1 + lhs2, rhs). + friend FMT_CONSTEXPR20 int add_compare(const bigint& lhs1, const bigint& lhs2, + const bigint& rhs) { + auto minimum = [](int a, int b) { return a < b ? a : b; }; + auto maximum = [](int a, int b) { return a > b ? a : b; }; + int max_lhs_bigits = maximum(lhs1.num_bigits(), lhs2.num_bigits()); + int num_rhs_bigits = rhs.num_bigits(); + if (max_lhs_bigits + 1 < num_rhs_bigits) return -1; + if (max_lhs_bigits > num_rhs_bigits) return 1; + auto get_bigit = [](const bigint& n, int i) -> bigit { + return i >= n.exp_ && i < n.num_bigits() ? n[i - n.exp_] : 0; + }; + double_bigit borrow = 0; + int min_exp = minimum(minimum(lhs1.exp_, lhs2.exp_), rhs.exp_); + for (int i = num_rhs_bigits - 1; i >= min_exp; --i) { + double_bigit sum = + static_cast(get_bigit(lhs1, i)) + get_bigit(lhs2, i); + bigit rhs_bigit = get_bigit(rhs, i); + if (sum > rhs_bigit + borrow) return 1; + borrow = rhs_bigit + borrow - sum; + if (borrow > 1) return -1; + borrow <<= bigit_bits; + } + return borrow != 0 ? -1 : 0; + } + + // Assigns pow(10, exp) to this bigint. + FMT_CONSTEXPR20 void assign_pow10(int exp) { + FMT_ASSERT(exp >= 0, ""); + if (exp == 0) return *this = 1; + // Find the top bit. + int bitmask = 1; + while (exp >= bitmask) bitmask <<= 1; + bitmask >>= 1; + // pow(10, exp) = pow(5, exp) * pow(2, exp). First compute pow(5, exp) by + // repeated squaring and multiplication. + *this = 5; + bitmask >>= 1; + while (bitmask != 0) { + square(); + if ((exp & bitmask) != 0) *this *= 5; + bitmask >>= 1; + } + *this <<= exp; // Multiply by pow(2, exp) by shifting. + } + + FMT_CONSTEXPR20 void square() { + int num_bigits = static_cast(bigits_.size()); + int num_result_bigits = 2 * num_bigits; + basic_memory_buffer n(std::move(bigits_)); + bigits_.resize(to_unsigned(num_result_bigits)); + auto sum = uint128_t(); + for (int bigit_index = 0; bigit_index < num_bigits; ++bigit_index) { + // Compute bigit at position bigit_index of the result by adding + // cross-product terms n[i] * n[j] such that i + j == bigit_index. + for (int i = 0, j = bigit_index; j >= 0; ++i, --j) { + // Most terms are multiplied twice which can be optimized in the future. + sum += static_cast(n[i]) * n[j]; + } + (*this)[bigit_index] = static_cast(sum); + sum >>= num_bits(); // Compute the carry. + } + // Do the same for the top half. + for (int bigit_index = num_bigits; bigit_index < num_result_bigits; + ++bigit_index) { + for (int j = num_bigits - 1, i = bigit_index - j; i < num_bigits;) + sum += static_cast(n[i++]) * n[j--]; + (*this)[bigit_index] = static_cast(sum); + sum >>= num_bits(); + } + remove_leading_zeros(); + exp_ *= 2; + } + + // If this bigint has a bigger exponent than other, adds trailing zero to make + // exponents equal. This simplifies some operations such as subtraction. + FMT_CONSTEXPR20 void align(const bigint& other) { + int exp_difference = exp_ - other.exp_; + if (exp_difference <= 0) return; + int num_bigits = static_cast(bigits_.size()); + bigits_.resize(to_unsigned(num_bigits + exp_difference)); + for (int i = num_bigits - 1, j = i + exp_difference; i >= 0; --i, --j) + bigits_[j] = bigits_[i]; + std::uninitialized_fill_n(bigits_.data(), exp_difference, 0); + exp_ -= exp_difference; + } + + // Divides this bignum by divisor, assigning the remainder to this and + // returning the quotient. + FMT_CONSTEXPR20 int divmod_assign(const bigint& divisor) { + FMT_ASSERT(this != &divisor, ""); + if (compare(*this, divisor) < 0) return 0; + FMT_ASSERT(divisor.bigits_[divisor.bigits_.size() - 1u] != 0, ""); + align(divisor); + int quotient = 0; + do { + subtract_aligned(divisor); + ++quotient; + } while (compare(*this, divisor) >= 0); + return quotient; + } +}; + +// format_dragon flags. +enum dragon { + predecessor_closer = 1, + fixup = 2, // Run fixup to correct exp10 which can be off by one. + fixed = 4, +}; + +// Formats a floating-point number using a variation of the Fixed-Precision +// Positive Floating-Point Printout ((FPP)^2) algorithm by Steele & White: +// https://fmt.dev/papers/p372-steele.pdf. +FMT_CONSTEXPR20 inline void format_dragon(basic_fp value, + unsigned flags, int num_digits, + buffer& buf, int& exp10) { + bigint numerator; // 2 * R in (FPP)^2. + bigint denominator; // 2 * S in (FPP)^2. + // lower and upper are differences between value and corresponding boundaries. + bigint lower; // (M^- in (FPP)^2). + bigint upper_store; // upper's value if different from lower. + bigint* upper = nullptr; // (M^+ in (FPP)^2). + // Shift numerator and denominator by an extra bit or two (if lower boundary + // is closer) to make lower and upper integers. This eliminates multiplication + // by 2 during later computations. + bool is_predecessor_closer = (flags & dragon::predecessor_closer) != 0; + int shift = is_predecessor_closer ? 2 : 1; + if (value.e >= 0) { + numerator = value.f; + numerator <<= value.e + shift; + lower = 1; + lower <<= value.e; + if (is_predecessor_closer) { + upper_store = 1; + upper_store <<= value.e + 1; + upper = &upper_store; + } + denominator.assign_pow10(exp10); + denominator <<= shift; + } else if (exp10 < 0) { + numerator.assign_pow10(-exp10); + lower.assign(numerator); + if (is_predecessor_closer) { + upper_store.assign(numerator); + upper_store <<= 1; + upper = &upper_store; + } + numerator *= value.f; + numerator <<= shift; + denominator = 1; + denominator <<= shift - value.e; + } else { + numerator = value.f; + numerator <<= shift; + denominator.assign_pow10(exp10); + denominator <<= shift - value.e; + lower = 1; + if (is_predecessor_closer) { + upper_store = 1ULL << 1; + upper = &upper_store; + } + } + int even = static_cast((value.f & 1) == 0); + if (!upper) upper = &lower; + if ((flags & dragon::fixup) != 0) { + if (add_compare(numerator, *upper, denominator) + even <= 0) { + --exp10; + numerator *= 10; + if (num_digits < 0) { + lower *= 10; + if (upper != &lower) *upper *= 10; + } + } + if ((flags & dragon::fixed) != 0) adjust_precision(num_digits, exp10 + 1); + } + // Invariant: value == (numerator / denominator) * pow(10, exp10). + if (num_digits < 0) { + // Generate the shortest representation. + num_digits = 0; + char* data = buf.data(); + for (;;) { + int digit = numerator.divmod_assign(denominator); + bool low = compare(numerator, lower) - even < 0; // numerator <[=] lower. + // numerator + upper >[=] pow10: + bool high = add_compare(numerator, *upper, denominator) + even > 0; + data[num_digits++] = static_cast('0' + digit); + if (low || high) { + if (!low) { + ++data[num_digits - 1]; + } else if (high) { + int result = add_compare(numerator, numerator, denominator); + // Round half to even. + if (result > 0 || (result == 0 && (digit % 2) != 0)) + ++data[num_digits - 1]; + } + buf.try_resize(to_unsigned(num_digits)); + exp10 -= num_digits - 1; + return; + } + numerator *= 10; + lower *= 10; + if (upper != &lower) *upper *= 10; + } + } + // Generate the given number of digits. + exp10 -= num_digits - 1; + if (num_digits == 0) { + denominator *= 10; + auto digit = add_compare(numerator, numerator, denominator) > 0 ? '1' : '0'; + buf.push_back(digit); + return; + } + buf.try_resize(to_unsigned(num_digits)); + for (int i = 0; i < num_digits - 1; ++i) { + int digit = numerator.divmod_assign(denominator); + buf[i] = static_cast('0' + digit); + numerator *= 10; + } + int digit = numerator.divmod_assign(denominator); + auto result = add_compare(numerator, numerator, denominator); + if (result > 0 || (result == 0 && (digit % 2) != 0)) { + if (digit == 9) { + const auto overflow = '0' + 10; + buf[num_digits - 1] = overflow; + // Propagate the carry. + for (int i = num_digits - 1; i > 0 && buf[i] == overflow; --i) { + buf[i] = '0'; + ++buf[i - 1]; + } + if (buf[0] == overflow) { + buf[0] = '1'; + ++exp10; + } + return; + } + ++digit; + } + buf[num_digits - 1] = static_cast('0' + digit); +} + +template +FMT_CONSTEXPR20 auto format_float(Float value, int precision, float_specs specs, + buffer& buf) -> int { + // float is passed as double to reduce the number of instantiations. + static_assert(!std::is_same::value, ""); + FMT_ASSERT(value >= 0, "value is negative"); + auto converted_value = convert_float(value); + + const bool fixed = specs.format == float_format::fixed; + if (value <= 0) { // <= instead of == to silence a warning. + if (precision <= 0 || !fixed) { + buf.push_back('0'); + return 0; + } + buf.try_resize(to_unsigned(precision)); + fill_n(buf.data(), precision, '0'); + return -precision; + } + + int exp = 0; + bool use_dragon = true; + unsigned dragon_flags = 0; + if (!is_fast_float()) { + const auto inv_log2_10 = 0.3010299956639812; // 1 / log2(10) + using info = dragonbox::float_info; + const auto f = basic_fp(converted_value); + // Compute exp, an approximate power of 10, such that + // 10^(exp - 1) <= value < 10^exp or 10^exp <= value < 10^(exp + 1). + // This is based on log10(value) == log2(value) / log2(10) and approximation + // of log2(value) by e + num_fraction_bits idea from double-conversion. + exp = static_cast( + std::ceil((f.e + count_digits<1>(f.f) - 1) * inv_log2_10 - 1e-10)); + dragon_flags = dragon::fixup; + } else if (!is_constant_evaluated() && precision < 0) { + // Use Dragonbox for the shortest format. + if (specs.binary32) { + auto dec = dragonbox::to_decimal(static_cast(value)); + write(buffer_appender(buf), dec.significand); + return dec.exponent; + } + auto dec = dragonbox::to_decimal(static_cast(value)); + write(buffer_appender(buf), dec.significand); + return dec.exponent; + } else { + // Use Grisu + Dragon4 for the given precision: + // https://www.cs.tufts.edu/~nr/cs257/archive/florian-loitsch/printf.pdf. + const int min_exp = -60; // alpha in Grisu. + int cached_exp10 = 0; // K in Grisu. + fp normalized = normalize(fp(converted_value)); + const auto cached_pow = get_cached_power( + min_exp - (normalized.e + fp::num_significand_bits), cached_exp10); + normalized = normalized * cached_pow; + gen_digits_handler handler{buf.data(), 0, precision, -cached_exp10, fixed}; + if (grisu_gen_digits(normalized, 1, exp, handler) != digits::error && + !is_constant_evaluated()) { + exp += handler.exp10; + buf.try_resize(to_unsigned(handler.size)); + use_dragon = false; + } else { + exp += handler.size - cached_exp10 - 1; + precision = handler.precision; + } + } + if (use_dragon) { + auto f = basic_fp(); + bool is_predecessor_closer = specs.binary32 + ? f.assign(static_cast(value)) + : f.assign(converted_value); + if (is_predecessor_closer) dragon_flags |= dragon::predecessor_closer; + if (fixed) dragon_flags |= dragon::fixed; + // Limit precision to the maximum possible number of significant digits in + // an IEEE754 double because we don't need to generate zeros. + const int max_double_digits = 767; + if (precision > max_double_digits) precision = max_double_digits; + format_dragon(f, dragon_flags, precision, buf, exp); + } + if (!fixed && !specs.showpoint) { + // Remove trailing zeros. + auto num_digits = buf.size(); + while (num_digits > 0 && buf[num_digits - 1] == '0') { + --num_digits; + ++exp; + } + buf.try_resize(num_digits); + } + return exp; +} + +template ::value)> +FMT_CONSTEXPR20 auto write(OutputIt out, T value, + basic_format_specs specs, locale_ref loc = {}) + -> OutputIt { + if (const_check(!is_supported_floating_point(value))) return out; + float_specs fspecs = parse_float_type_spec(specs); + fspecs.sign = specs.sign; + if (detail::signbit(value)) { // value < 0 is false for NaN so use signbit. + fspecs.sign = sign::minus; + value = -value; + } else if (fspecs.sign == sign::minus) { + fspecs.sign = sign::none; + } + + if (!detail::isfinite(value)) + return write_nonfinite(out, detail::isnan(value), specs, fspecs); + + if (specs.align == align::numeric && fspecs.sign) { + auto it = reserve(out, 1); + *it++ = detail::sign(fspecs.sign); + out = base_iterator(out, it); + fspecs.sign = sign::none; + if (specs.width != 0) --specs.width; + } + + memory_buffer buffer; + if (fspecs.format == float_format::hex) { + if (fspecs.sign) buffer.push_back(detail::sign(fspecs.sign)); + snprintf_float(convert_float(value), specs.precision, fspecs, buffer); + return write_bytes(out, {buffer.data(), buffer.size()}, + specs); + } + int precision = specs.precision >= 0 || specs.type == presentation_type::none + ? specs.precision + : 6; + if (fspecs.format == float_format::exp) { + if (precision == max_value()) + throw_format_error("number is too big"); + else + ++precision; + } else if (fspecs.format != float_format::fixed && precision == 0) { + precision = 1; + } + if (const_check(std::is_same())) fspecs.binary32 = true; + int exp = format_float(convert_float(value), precision, fspecs, buffer); + fspecs.precision = precision; + auto f = big_decimal_fp{buffer.data(), static_cast(buffer.size()), exp}; + return write_float(out, f, specs, fspecs, loc); +} + +template ::value)> +FMT_CONSTEXPR20 auto write(OutputIt out, T value) -> OutputIt { + if (is_constant_evaluated()) + return write(out, value, basic_format_specs()); + if (const_check(!is_supported_floating_point(value))) return out; + + auto fspecs = float_specs(); + if (detail::signbit(value)) { + fspecs.sign = sign::minus; + value = -value; + } + + constexpr auto specs = basic_format_specs(); + using floaty = conditional_t::value, double, T>; + using uint = typename dragonbox::float_info::carrier_uint; + uint mask = exponent_mask(); + if ((bit_cast(value) & mask) == mask) + return write_nonfinite(out, std::isnan(value), specs, fspecs); + + auto dec = dragonbox::to_decimal(static_cast(value)); + return write_float(out, dec, specs, fspecs, {}); +} + +template ::value && + !is_fast_float::value)> +inline auto write(OutputIt out, T value) -> OutputIt { + return write(out, value, basic_format_specs()); +} + +template +auto write(OutputIt out, monostate, basic_format_specs = {}, + locale_ref = {}) -> OutputIt { + FMT_ASSERT(false, ""); + return out; +} + +template +FMT_CONSTEXPR auto write(OutputIt out, basic_string_view value) + -> OutputIt { + auto it = reserve(out, value.size()); + it = copy_str_noinline(value.begin(), value.end(), it); + return base_iterator(out, it); +} + +template ::value)> +constexpr auto write(OutputIt out, const T& value) -> OutputIt { + return write(out, to_string_view(value)); +} + +// FMT_ENABLE_IF() condition separated to workaround an MSVC bug. +template < + typename Char, typename OutputIt, typename T, + bool check = + std::is_enum::value && !std::is_same::value && + mapped_type_constant>::value != + type::custom_type, + FMT_ENABLE_IF(check)> +FMT_CONSTEXPR auto write(OutputIt out, T value) -> OutputIt { + return write(out, static_cast>(value)); +} + +template ::value)> +FMT_CONSTEXPR auto write(OutputIt out, T value, + const basic_format_specs& specs = {}, + locale_ref = {}) -> OutputIt { + return specs.type != presentation_type::none && + specs.type != presentation_type::string + ? write(out, value ? 1 : 0, specs, {}) + : write_bytes(out, value ? "true" : "false", specs); +} + +template +FMT_CONSTEXPR auto write(OutputIt out, Char value) -> OutputIt { + auto it = reserve(out, 1); + *it++ = value; + return base_iterator(out, it); +} + +template +FMT_CONSTEXPR_CHAR_TRAITS auto write(OutputIt out, const Char* value) + -> OutputIt { + if (!value) { + throw_format_error("string pointer is null"); + } else { + out = write(out, basic_string_view(value)); + } + return out; +} + +template ::value)> +auto write(OutputIt out, const T* value, + const basic_format_specs& specs = {}, locale_ref = {}) + -> OutputIt { + check_pointer_type_spec(specs.type, error_handler()); + return write_ptr(out, bit_cast(value), &specs); +} + +// A write overload that handles implicit conversions. +template > +FMT_CONSTEXPR auto write(OutputIt out, const T& value) -> enable_if_t< + std::is_class::value && !is_string::value && + !is_floating_point::value && !std::is_same::value && + !std::is_same().map(value))>::value, + OutputIt> { + return write(out, arg_mapper().map(value)); +} + +template > +FMT_CONSTEXPR auto write(OutputIt out, const T& value) + -> enable_if_t::value == type::custom_type, + OutputIt> { + using formatter_type = + conditional_t::value, + typename Context::template formatter_type, + fallback_formatter>; + auto ctx = Context(out, {}, {}); + return formatter_type().format(value, ctx); +} + +// An argument visitor that formats the argument and writes it via the output +// iterator. It's a class and not a generic lambda for compatibility with C++11. +template struct default_arg_formatter { + using iterator = buffer_appender; + using context = buffer_context; + + iterator out; + basic_format_args args; + locale_ref loc; + + template auto operator()(T value) -> iterator { + return write(out, value); + } + auto operator()(typename basic_format_arg::handle h) -> iterator { + basic_format_parse_context parse_ctx({}); + context format_ctx(out, args, loc); + h.format(parse_ctx, format_ctx); + return format_ctx.out(); + } +}; + +template struct arg_formatter { + using iterator = buffer_appender; + using context = buffer_context; + + iterator out; + const basic_format_specs& specs; + locale_ref locale; + + template + FMT_CONSTEXPR FMT_INLINE auto operator()(T value) -> iterator { + return detail::write(out, value, specs, locale); + } + auto operator()(typename basic_format_arg::handle) -> iterator { + // User-defined types are handled separately because they require access + // to the parse context. + return out; + } +}; + +template struct custom_formatter { + basic_format_parse_context& parse_ctx; + buffer_context& ctx; + + void operator()( + typename basic_format_arg>::handle h) const { + h.format(parse_ctx, ctx); + } + template void operator()(T) const {} +}; + +template +using is_integer = + bool_constant::value && !std::is_same::value && + !std::is_same::value && + !std::is_same::value>; + +template class width_checker { + public: + explicit FMT_CONSTEXPR width_checker(ErrorHandler& eh) : handler_(eh) {} + + template ::value)> + FMT_CONSTEXPR auto operator()(T value) -> unsigned long long { + if (is_negative(value)) handler_.on_error("negative width"); + return static_cast(value); + } + + template ::value)> + FMT_CONSTEXPR auto operator()(T) -> unsigned long long { + handler_.on_error("width is not integer"); + return 0; + } + + private: + ErrorHandler& handler_; +}; + +template class precision_checker { + public: + explicit FMT_CONSTEXPR precision_checker(ErrorHandler& eh) : handler_(eh) {} + + template ::value)> + FMT_CONSTEXPR auto operator()(T value) -> unsigned long long { + if (is_negative(value)) handler_.on_error("negative precision"); + return static_cast(value); + } + + template ::value)> + FMT_CONSTEXPR auto operator()(T) -> unsigned long long { + handler_.on_error("precision is not integer"); + return 0; + } + + private: + ErrorHandler& handler_; +}; + +template