72 lines
2.1 KiB
C++
72 lines
2.1 KiB
C++
// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "base/strings/sys_string_conversions.h"
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#include <windows.h>
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#include <stdint.h>
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#include "base/strings/string_piece.h"
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namespace base {
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// Do not assert in this function since it is used by the asssertion code!
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std::string SysWideToUTF8(const std::wstring& wide) {
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return SysWideToMultiByte(wide, CP_UTF8);
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}
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// Do not assert in this function since it is used by the asssertion code!
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std::wstring SysUTF8ToWide(StringPiece utf8) {
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return SysMultiByteToWide(utf8, CP_UTF8);
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}
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std::string SysWideToNativeMB(const std::wstring& wide) {
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return SysWideToMultiByte(wide, CP_ACP);
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}
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std::wstring SysNativeMBToWide(StringPiece native_mb) {
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return SysMultiByteToWide(native_mb, CP_ACP);
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}
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// Do not assert in this function since it is used by the asssertion code!
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std::wstring SysMultiByteToWide(StringPiece mb, uint32_t code_page) {
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if (mb.empty())
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return std::wstring();
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int mb_length = static_cast<int>(mb.length());
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// Compute the length of the buffer.
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int charcount = MultiByteToWideChar(code_page, 0,
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mb.data(), mb_length, NULL, 0);
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if (charcount == 0)
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return std::wstring();
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std::wstring wide;
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wide.resize(charcount);
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MultiByteToWideChar(code_page, 0, mb.data(), mb_length, &wide[0], charcount);
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return wide;
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}
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// Do not assert in this function since it is used by the asssertion code!
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std::string SysWideToMultiByte(const std::wstring& wide, uint32_t code_page) {
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int wide_length = static_cast<int>(wide.length());
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if (wide_length == 0)
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return std::string();
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// Compute the length of the buffer we'll need.
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int charcount = WideCharToMultiByte(code_page, 0, wide.data(), wide_length,
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NULL, 0, NULL, NULL);
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if (charcount == 0)
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return std::string();
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std::string mb;
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mb.resize(charcount);
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WideCharToMultiByte(code_page, 0, wide.data(), wide_length,
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&mb[0], charcount, NULL, NULL);
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return mb;
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}
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} // namespace base
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