refactor: update ParserHelper

- update the implementation of ParserHelper from locale-based std::to_string, std::stod, std::stoull, to locale-independent function std::from_chars and std::to_chars.
- rename TerminalHelper to ConsoleHelper.

src/ConsoleHelper.cpp

@@ -0,0 +1,58 @@
+#include "ConsoleHelper.hpp"
+#if YYCC_OS == YYCC_OS_WINDOWS
+
+#include "EncodingHelper.hpp"
+#include "StringHelper.hpp"
+#include <iostream>
+
+#include "WinImportPrefix.hpp"
+#include <Windows.h>
+#include <io.h>
+#include <fcntl.h>
+#include "WinImportSuffix.hpp"
+
+namespace YYCC::ConsoleHelper {
+
+	bool EnsureTerminalColor(FILE* fs) {
+		if (!_isatty(_fileno(fs))) return false;
+
+		HANDLE h_output;
+		DWORD dw_mode;
+
+		h_output = (HANDLE)_get_osfhandle(_fileno(fs));
+		if (!GetConsoleMode(h_output, &dw_mode)) return false;
+		if (!SetConsoleMode(h_output, dw_mode | ENABLE_VIRTUAL_TERMINAL_PROCESSING)) return false;
+
+		return true;
+	}
+
+	bool EnsureTerminalUTF8(FILE* fs) {
+		if (!SetConsoleCP(CP_UTF8)) return false;
+		if (!SetConsoleOutputCP(CP_UTF8)) return false;
+
+		/*_setmode(_fileno(stdout), _O_U8TEXT);*/
+		int _ = _setmode(_fileno(fs), _O_U8TEXT);
+		return true;
+	}
+
+	bool FGets(std::string& u8_buf, FILE* stream) {
+		std::wstring wcmd;
+		if (std::getline(std::wcin, wcmd).fail()) return false;
+		YYCC::EncodingHelper::WcharToChar(wcmd.c_str(), u8_buf, CP_UTF8);
+		return true;
+	}
+
+	void FPuts(const char* u8_buf, FILE* stream) {
+		std::fputws(YYCC::EncodingHelper::UTF8ToWchar(u8_buf).c_str(), stream);
+	}
+
+	void FPrintf(FILE* stream, const char* u8_fmt, ...) {
+		va_list argptr;
+		va_start(argptr, u8_fmt);
+		FPuts(YYCC::StringHelper::VPrintf(u8_fmt, argptr).c_str(), stream);
+		va_end(argptr);
+	}
+	
+}
+
+#endif