Real Name

ixwebsocket/IXStrCaseCompare.cpp

@@ -0,0 +1,39 @@
+/*
+ *  IXStrCaseCompare.cpp
+ *  Author: Benjamin Sergeant
+ *  Copyright (c) 2020 Machine Zone. All rights reserved.
+ */
+
+#include "IXStrCaseCompare.h"
+
+#include <algorithm>
+#include <locale>
+
+namespace ix
+{
+bool CaseInsensitiveLess::NocaseCompare::operator()(
+    const unsigned char &c1,
+    const unsigned char &c2) const
+{
+#if defined(_WIN32) && !defined(__GNUC__)
+    return std::tolower(c1, std::locale()) < std::tolower(c2, std::locale());
+#else
+    return std::tolower(c1) < std::tolower(c2);
+#endif
+}
+
+bool CaseInsensitiveLess::cmp(const std::string &s1, const std::string &s2)
+{
+    return std::lexicographical_compare(s1.begin(),
+                                        s1.end(), // source range
+                                        s2.begin(),
+                                        s2.end(),         // dest range
+                                        NocaseCompare()); // comparison
+}
+
+bool CaseInsensitiveLess::operator()(const std::string &s1,
+                                     const std::string &s2) const
+{
+    return CaseInsensitiveLess::cmp(s1, s2);
+}
+} // namespace ix