|
| 1 | +#include "Deserializer.h" |
| 2 | + |
| 3 | +#include <algorithm> |
| 4 | +#include <tinyxml2.h> |
| 5 | + |
| 6 | +qualisys_cpp_sdk::Deserializer::Deserializer(std::shared_ptr<tinyxml2::XMLDocument> document, |
| 7 | + tinyxml2::XMLElement* element) |
| 8 | + : mDocument(document), mPtr(element) |
| 9 | +{ |
| 10 | +} |
| 11 | + |
| 12 | +qualisys_cpp_sdk::Deserializer::Deserializer(const char* data) |
| 13 | +{ |
| 14 | + mDocument = std::make_shared<tinyxml2::XMLDocument>(); |
| 15 | + mDocument->Parse(data); |
| 16 | + mPtr = mDocument->RootElement(); |
| 17 | +} |
| 18 | + |
| 19 | +qualisys_cpp_sdk::Deserializer qualisys_cpp_sdk::Deserializer::FindChild(const char* elementName) const |
| 20 | +{ |
| 21 | + return {mDocument, mPtr->FirstChildElement(elementName)}; |
| 22 | +} |
| 23 | + |
| 24 | +qualisys_cpp_sdk::Deserializer qualisys_cpp_sdk::Deserializer::FindNextSibling(const char* elementName) const |
| 25 | +{ |
| 26 | + return {mDocument, mPtr->NextSiblingElement(elementName)}; |
| 27 | +} |
| 28 | + |
| 29 | +double qualisys_cpp_sdk::Deserializer::ReadAttributeDouble(const char* attributeName, double defaultValue) const |
| 30 | +{ |
| 31 | + return mPtr->DoubleAttribute(attributeName, defaultValue); |
| 32 | +} |
| 33 | + |
| 34 | +std::uint32_t qualisys_cpp_sdk::Deserializer::ReadAttributeUnsignedInt(const char* attributeName, |
| 35 | + std::uint32_t defaultValue) const |
| 36 | +{ |
| 37 | + return mPtr->UnsignedAttribute(attributeName, defaultValue); |
| 38 | +} |
| 39 | + |
| 40 | +std::int32_t qualisys_cpp_sdk::Deserializer::ReadAttributeInt(const char* attributeName, |
| 41 | + std::int32_t defaultValue) const |
| 42 | +{ |
| 43 | + return mPtr->IntAttribute(attributeName, defaultValue); |
| 44 | +} |
| 45 | + |
| 46 | +bool qualisys_cpp_sdk::Deserializer::ReadAttributeBool(const char* attributeName, bool defaultValue) const |
| 47 | +{ |
| 48 | + return mPtr->BoolAttribute(attributeName, defaultValue); |
| 49 | +} |
| 50 | + |
| 51 | +bool qualisys_cpp_sdk::Deserializer::operator==(const Deserializer& other) const |
| 52 | +{ |
| 53 | + return mPtr == other.mPtr; |
| 54 | +} |
| 55 | + |
| 56 | +bool qualisys_cpp_sdk::Deserializer::operator!=(const Deserializer& other) const |
| 57 | +{ |
| 58 | + return mPtr != other.mPtr; |
| 59 | +} |
| 60 | + |
| 61 | +qualisys_cpp_sdk::Deserializer::operator bool() const |
| 62 | +{ |
| 63 | + return mPtr != nullptr; |
| 64 | +} |
| 65 | + |
| 66 | +int qualisys_cpp_sdk::Deserializer::ReadInt(std::int32_t defaultValue) const |
| 67 | +{ |
| 68 | + return mPtr->IntText(defaultValue); |
| 69 | +} |
| 70 | + |
| 71 | +unsigned int qualisys_cpp_sdk::Deserializer::ReadUnsignedInt(std::int32_t defaultValue) const |
| 72 | +{ |
| 73 | + return mPtr->UnsignedText(defaultValue); |
| 74 | +} |
| 75 | + |
| 76 | +float qualisys_cpp_sdk::Deserializer::ReadFloat(float defaultValue) const |
| 77 | +{ |
| 78 | + return mPtr->FloatText(defaultValue); |
| 79 | +} |
| 80 | + |
| 81 | +std::string qualisys_cpp_sdk::Deserializer::ReadAttributeString(const char* name) const |
| 82 | +{ |
| 83 | + if (auto charPtr = mPtr->Attribute(name)) |
| 84 | + { |
| 85 | + return {charPtr}; |
| 86 | + } |
| 87 | + |
| 88 | + return {}; |
| 89 | +} |
| 90 | + |
| 91 | +float qualisys_cpp_sdk::Deserializer::ReadAttributeFloat(const char* name, float defaultValue) const |
| 92 | +{ |
| 93 | + return mPtr->FloatAttribute(name, defaultValue); |
| 94 | +} |
| 95 | + |
| 96 | +std::string qualisys_cpp_sdk::Deserializer::ReadString() const |
| 97 | +{ |
| 98 | + if (auto charPtr = mPtr->GetText()) |
| 99 | + { |
| 100 | + return {charPtr}; |
| 101 | + } |
| 102 | + |
| 103 | + return {}; |
| 104 | +} |
| 105 | + |
| 106 | +qualisys_cpp_sdk::ChildElementRange::ChildElementRange(Deserializer& parent, const char* elementName) |
| 107 | + : mParent(parent), mElementName(elementName) |
| 108 | +{ |
| 109 | +} |
| 110 | + |
| 111 | +qualisys_cpp_sdk::ChildElementRange::Iterator::Iterator(const ChildElementRange& range) |
| 112 | + : mCurrent(nullptr), mChildElementRange(range) |
| 113 | +{ |
| 114 | +} |
| 115 | + |
| 116 | +qualisys_cpp_sdk::ChildElementRange::Iterator::Iterator(const ChildElementRange& range, std::size_t index) |
| 117 | + : mCurrent(nullptr), mChildElementRange(range) |
| 118 | +{ |
| 119 | + mCurrent = range.mParent.FindChild(mChildElementRange.mElementName); |
| 120 | +} |
| 121 | + |
| 122 | +qualisys_cpp_sdk::Deserializer qualisys_cpp_sdk::ChildElementRange::Iterator::operator*() const |
| 123 | +{ |
| 124 | + return mCurrent; |
| 125 | +} |
| 126 | + |
| 127 | +qualisys_cpp_sdk::ChildElementRange::Iterator& qualisys_cpp_sdk::ChildElementRange::Iterator::operator++() |
| 128 | +{ |
| 129 | + mCurrent = mCurrent.FindNextSibling(mChildElementRange.mElementName); |
| 130 | + return *this; |
| 131 | +} |
| 132 | + |
| 133 | +bool qualisys_cpp_sdk::ChildElementRange::Iterator::operator!=(const Iterator& other) const |
| 134 | +{ |
| 135 | + return mCurrent != other.mCurrent; |
| 136 | +} |
| 137 | + |
| 138 | +qualisys_cpp_sdk::ChildElementRange::Iterator qualisys_cpp_sdk::ChildElementRange::begin() const |
| 139 | +{ |
| 140 | + return Iterator(*this, 0); |
| 141 | +} |
| 142 | + |
| 143 | +qualisys_cpp_sdk::ChildElementRange::Iterator qualisys_cpp_sdk::ChildElementRange::end() const |
| 144 | +{ |
| 145 | + return Iterator(*this); |
| 146 | +} |
| 147 | + |
| 148 | +bool qualisys_cpp_sdk::Deserializer::TryReadElementDouble(const char* elementName, double& output) const |
| 149 | +{ |
| 150 | + if (auto childElem = FindChild(elementName)) |
| 151 | + { |
| 152 | + return childElem.mPtr->QueryDoubleText(&output) == tinyxml2::XML_SUCCESS; |
| 153 | + } |
| 154 | + |
| 155 | + return false; |
| 156 | +} |
| 157 | + |
| 158 | +bool qualisys_cpp_sdk::Deserializer::TryReadElementFloat(const char* elementName, float& output) const |
| 159 | +{ |
| 160 | + if (auto childElem = FindChild(elementName)) |
| 161 | + { |
| 162 | + return childElem.mPtr->QueryFloatText(&output) == tinyxml2::XML_SUCCESS; |
| 163 | + } |
| 164 | + |
| 165 | + return false; |
| 166 | +} |
| 167 | + |
| 168 | +bool qualisys_cpp_sdk::Deserializer::TryReadElementUnsignedInt32(const char* elementName, |
| 169 | + std::uint32_t& output) const |
| 170 | +{ |
| 171 | + if (auto childElem = FindChild(elementName)) |
| 172 | + { |
| 173 | + return childElem.mPtr->QueryUnsignedText(&output) == tinyxml2::XML_SUCCESS; |
| 174 | + } |
| 175 | + |
| 176 | + return false; |
| 177 | +} |
| 178 | + |
| 179 | +bool qualisys_cpp_sdk::Deserializer::TryReadElementString(const char* elementName, std::string& output) const |
| 180 | +{ |
| 181 | + output.clear(); |
| 182 | + |
| 183 | + if (auto childElem = FindChild(elementName)) |
| 184 | + { |
| 185 | + if (auto charPtr = childElem.mPtr->GetText()) |
| 186 | + { |
| 187 | + output = charPtr; |
| 188 | + } |
| 189 | + return true; |
| 190 | + } |
| 191 | + |
| 192 | + return false; |
| 193 | +} |
| 194 | + |
| 195 | +namespace |
| 196 | +{ |
| 197 | + void RemoveInvalidChars(std::string& str) |
| 198 | + { |
| 199 | + auto isInvalidChar = [](int c) -> int |
| 200 | + { |
| 201 | + // iscntrl: control codes(NUL, etc.), '\t', '\n', '\v', '\f', '\r', backspace (DEL) |
| 202 | + // isspace: some common checks but also 0x20 (SPACE) |
| 203 | + // return != 0 --> invalid char |
| 204 | + return std::iscntrl(c) != 0 || std::isspace(c) != 0; |
| 205 | + }; |
| 206 | + str.erase(std::remove_if(str.begin(), str.end(), isInvalidChar), str.end()); |
| 207 | + } |
| 208 | +} |
| 209 | + |
| 210 | +bool qualisys_cpp_sdk::Deserializer::TryReadElementBool(const std::string& element, bool& value) const |
| 211 | +{ |
| 212 | + auto xmlElem = FindChild(element.c_str()); |
| 213 | + if (!xmlElem) |
| 214 | + { |
| 215 | + return false; |
| 216 | + } |
| 217 | + |
| 218 | + auto str = std::string(xmlElem.mPtr->GetText()); |
| 219 | + RemoveInvalidChars(str); |
| 220 | + str = ToLowerXmlString(str); |
| 221 | + |
| 222 | + if (str == "true") |
| 223 | + { |
| 224 | + value = true; |
| 225 | + } |
| 226 | + else if (str == "false") |
| 227 | + { |
| 228 | + value = false; |
| 229 | + } |
| 230 | + else |
| 231 | + { |
| 232 | + // Don't change value, just report error. |
| 233 | + return false; |
| 234 | + } |
| 235 | + |
| 236 | + return true; |
| 237 | +} |
| 238 | + |
| 239 | +std::string qualisys_cpp_sdk::ToLowerXmlString(std::string& str) |
| 240 | +{ |
| 241 | + std::transform(str.begin(), str.end(), str.begin(), [](unsigned char c) |
| 242 | + { |
| 243 | + return static_cast<unsigned char>(std::tolower(c)); |
| 244 | + }); |
| 245 | + return str; |
| 246 | +} |
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