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