65 lines
2.1 KiB
C++
65 lines
2.1 KiB
C++
/*
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* Copyright 2003-2021 The Music Player Daemon Project
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* http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "Win32.hxx"
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#include "system/Error.hxx"
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#include "util/AllocatedString.hxx"
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#include <memory>
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#include <windows.h>
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AllocatedString
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WideCharToMultiByte(unsigned code_page, std::wstring_view src)
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{
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int length = WideCharToMultiByte(code_page, 0, src.data(), src.size(),
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nullptr, 0,
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nullptr, nullptr);
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if (length <= 0)
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throw MakeLastError("Failed to convert from Unicode");
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auto buffer = std::make_unique<char[]>(length + 1);
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length = WideCharToMultiByte(code_page, 0, src.data(), src.size(),
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buffer.get(), length,
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nullptr, nullptr);
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if (length <= 0)
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throw MakeLastError("Failed to convert from Unicode");
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buffer[length] = '\0';
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return AllocatedString::Donate(buffer.release());
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}
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BasicAllocatedString<wchar_t>
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MultiByteToWideChar(unsigned code_page, std::string_view src)
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{
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int length = MultiByteToWideChar(code_page, 0, src.data(), src.size(),
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nullptr, 0);
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if (length <= 0)
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throw MakeLastError("Failed to convert to Unicode");
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auto buffer = std::make_unique<wchar_t[]>(length + 1);
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length = MultiByteToWideChar(code_page, 0, src.data(), src.size(),
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buffer.get(), length);
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if (length <= 0)
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throw MakeLastError("Failed to convert to Unicode");
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buffer[length] = L'\0';
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return BasicAllocatedString<wchar_t>::Donate(buffer.release());
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}
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