first commit

src/EncodingHelper.cpp

@@ -0,0 +1,49 @@
+#include "EncodingHelper.hpp"
+
+namespace YYCC::EncodingHelper {
+	
+	bool WcharToChar(const wchar_t* src, std::string& dest, const UINT codepage) {
+		int count, write_result;
+
+		//converter to CHAR
+		count = WideCharToMultiByte(codepage, 0, src, -1, NULL, 0, NULL, NULL);
+		if (count <= 0) return false;
+
+		dest.resize(count - 1);
+		write_result = WideCharToMultiByte(codepage, 0, src, -1, dest.data(), count, NULL, NULL);
+		if (write_result <= 0) return false;
+
+		return true;
+	}
+	bool WcharToChar(const std::wstring& src, std::string& dest, const UINT codepage) {
+		return WcharToChar(src.c_str(), dest, codepage);
+	}
+
+	bool CharToWchar(const char* src, std::wstring& dest, const UINT codepage) {
+		int wcount, write_result;
+
+		// convert to WCHAR
+		wcount = MultiByteToWideChar(codepage, 0, src, -1, NULL, 0);
+		if (wcount <= 0) return false;
+
+		dest.resize(wcount - 1);
+		write_result = MultiByteToWideChar(codepage, 0, src, -1, dest.data(), wcount);
+		if (write_result <= 0) return false;
+
+		return true;
+	}
+	bool CharToWchar(const std::string& src, std::wstring& dest, const UINT codepage) {
+		return CharToWchar(src.c_str(), dest, codepage);
+	}
+
+	bool CharToChar(const char* src, std::string& dest, const UINT src_codepage, const UINT dest_codepage) {
+		std::wstring intermediary;
+		if (!CharToWchar(src, intermediary, src_codepage)) return false;
+		if (!WcharToChar(intermediary, dest, dest_codepage)) return false;
+		return true;
+	}
+	bool CharToChar(const std::string& src, std::string& dest, const UINT src_codepage, const UINT dest_codepage) {
+		return CharToChar(src.c_str(), dest, src_codepage, dest_codepage);
+	}
+
+}