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49 lines
1.4 KiB
C++
49 lines
1.4 KiB
C++
// SPDX-License-Identifier: GPL-2.0-or-later
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// Copyright The Music Player Daemon Project
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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_for_overwrite<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_for_overwrite<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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