82 строки
3.1 KiB
C++
82 строки
3.1 KiB
C++
// Copyright (c) Wiesław Šoltés. All rights reserved.
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// Licensed under the MIT license. See LICENSE file in the project root for full license information.
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#pragma once
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#if defined(_WIN32) || defined(_WIN64)
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#define WIN32_LEAN_AND_MEAN
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#include <Windows.h>
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#include <string>
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#include <utility>
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#else
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#include <locale>
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#include <codecvt>
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#endif
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namespace util
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{
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class CUtf8String
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{
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public:
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#if defined(_WIN32) || defined(_WIN64)
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static std::string ToUtf8(const std::wstring &szText)
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{
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if (szText.empty())
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return std::string();
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int size_needed = WideCharToMultiByte(CP_UTF8, 0, &szText[0], (int)szText.size(), NULL, 0, NULL, NULL);
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std::string strTo(size_needed, 0);
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WideCharToMultiByte(CP_UTF8, 0, &szText[0], (int)szText.size(), &strTo[0], size_needed, NULL, NULL);
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return std::move(strTo);
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}
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static std::string ToUtf8(const wchar_t* szText)
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{
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if (wcslen(szText) == 0)
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return std::string();
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int size_needed = WideCharToMultiByte(CP_UTF8, 0, &szText[0], (int)wcslen(szText), NULL, 0, NULL, NULL);
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std::string strTo(size_needed, 0);
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WideCharToMultiByte(CP_UTF8, 0, &szText[0], (int)wcslen(szText), &strTo[0], size_needed, NULL, NULL);
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return std::move(strTo);
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}
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static std::wstring ToUnicode(const std::string &szText)
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{
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if (szText.empty())
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return std::wstring();
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int size_needed = MultiByteToWideChar(CP_UTF8, 0, &szText[0], (int)szText.size(), NULL, 0);
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std::wstring wstrTo(size_needed, 0);
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MultiByteToWideChar(CP_UTF8, 0, &szText[0], (int)szText.size(), &wstrTo[0], size_needed);
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return std::move(wstrTo);
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}
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static std::wstring ToUnicode(const char* szText)
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{
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if (strlen(szText) == 0)
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return std::wstring();
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int size_needed = MultiByteToWideChar(CP_UTF8, 0, &szText[0], (int)strlen(szText), NULL, 0);
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std::wstring wstrTo(size_needed, 0);
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MultiByteToWideChar(CP_UTF8, 0, &szText[0], (int)strlen(szText), &wstrTo[0], size_needed);
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return std::move(wstrTo);
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}
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#else
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static std::string ToUtf8(const std::wstring& szText)
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{
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static std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>> convert;
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return convert.to_bytes(szText);
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}
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static std::string ToUtf8(const wchar_t* szText)
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{
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static std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>> convert;
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return convert.to_bytes(szText);
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}
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static std::wstring ToUnicode(const std::string& szText)
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{
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static std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>> convert;
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return convert.from_bytes(szText);
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}
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static std::wstring ToUnicode(const char* szText)
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{
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static std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>> convert;
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return convert.from_bytes(szText);
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}
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#endif
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};
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}
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