Util/StringCompare: add string_view overloads

Author: MaxKellermann

src/Util/StringCompare.cxx

@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2018 Max Kellermann <[email protected]>
+ * Copyright 2013-2020 Max Kellermann <[email protected]>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions

src/Util/StringCompare.hxx

@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2018 Max Kellermann <[email protected]>
+ * Copyright 2013-2020 Max Kellermann <[email protected]>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -38,13 +38,31 @@
 #include "WStringCompare.hxx"
 #endif
 
+#include <string_view>
+
 gcc_pure gcc_nonnull_all
 static inline bool
 StringIsEmpty(const char *string) noexcept
 {
 	return *string == 0;
 }
 
+gcc_pure
+static inline bool
+StringIsEqual(std::string_view a, std::string_view b) noexcept
+{
+	return a.size() == b.size() &&
+		StringIsEqual(a.data(), b.data(), b.size());
+}
+
+gcc_pure
+static inline bool
+StringIsEqualIgnoreCase(std::string_view a, std::string_view b) noexcept
+{
+	return a.size() == b.size() &&
+		StringIsEqualIgnoreCase(a.data(), b.data(), b.size());
+}
+
 gcc_pure gcc_nonnull_all
 static inline bool
 StringStartsWith(const char *haystack, StringView needle) noexcept

src/Util/WStringCompare.hxx

@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2018 Max Kellermann <[email protected]>
+ * Copyright 2013-2020 Max Kellermann <[email protected]>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -34,6 +34,8 @@
 #include "WStringAPI.hxx"
 #include "Compiler.h"
 
+#include <string_view>
+
 #include <wchar.h>
 
 gcc_pure gcc_nonnull_all
@@ -43,6 +45,14 @@ StringIsEmpty(const wchar_t *string) noexcept
 	return *string == 0;
 }
 
+gcc_pure
+static inline bool
+StringIsEqual(std::wstring_view a, std::wstring_view b) noexcept
+{
+	return a.size() == b.size() &&
+		StringIsEqual(a.data(), b.data(), b.size());
+}
+
 gcc_pure gcc_nonnull_all
 static inline bool
 StringStartsWith(const wchar_t *haystack, WStringView needle) noexcept