81 lines
1.9 KiB
C++
81 lines
1.9 KiB
C++
// winutil.cpp
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//
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// Copyright (C) 2019-present, Celestia Development Team
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// Copyright (C) 2002, Chris Laurel <claurel@shatters.net>
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//
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// Miscellaneous useful Windows-related functions.
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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#include <windows.h>
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#include "winutil.h"
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using namespace std;
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const char* CurrentCP()
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{
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static bool set = false;
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static char cp[20] = "CP";
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if (!set)
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{
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GetLocaleInfoA(GetThreadLocale(), LOCALE_IDEFAULTANSICODEPAGE, cp+2, 18);
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set = true;
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}
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return cp;
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}
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string UTF8ToCurrentCP(const string& str)
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{
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return WideToCurrentCP(UTF8ToWide(str));
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}
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string CurrentCPToUTF8(const string& str)
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{
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return WideToUTF8(CurrentCPToWide(str));
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}
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string WStringToString(UINT codePage, const wstring& ws)
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{
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if (ws.empty())
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return {};
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// get a converted string length
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auto len = WideCharToMultiByte(codePage, 0, ws.c_str(), ws.length(), NULL, 0, nullptr, nullptr);
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string out(len, 0);
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WideCharToMultiByte(codePage, 0, ws.c_str(), ws.length(), &out[0], len, nullptr, nullptr);
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return out;
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}
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wstring StringToWString(UINT codePage, const string& s)
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{
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if (s.empty())
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return {};
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// get a converted string length
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auto len = MultiByteToWideChar(codePage, 0, s.c_str(), s.length(), nullptr, 0);
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wstring out(len, 0);
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MultiByteToWideChar(codePage, 0, s.c_str(), s.length(), &out[0], len);
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return out;
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}
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string WideToCurrentCP(const wstring& ws)
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{
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return WStringToString(CP_ACP, ws);
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}
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wstring CurrentCPToWide(const string& s)
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{
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return StringToWString(CP_ACP, s);
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}
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string WideToUTF8(const wstring& ws)
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{
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return WStringToString(CP_UTF8, ws);
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}
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wstring UTF8ToWide(const string& s)
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{
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return StringToWString(CP_UTF8, s);
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}
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