1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "base/strings/sys_string_conversions.h" 6 7 #include <windows.h> 8 9 #include "base/strings/string_piece.h" 10 11 namespace base { 12 13 // Do not assert in this function since it is used by the asssertion code! 14 std::string SysWideToUTF8(const std::wstring& wide) { 15 return SysWideToMultiByte(wide, CP_UTF8); 16 } 17 18 // Do not assert in this function since it is used by the asssertion code! 19 std::wstring SysUTF8ToWide(const StringPiece& utf8) { 20 return SysMultiByteToWide(utf8, CP_UTF8); 21 } 22 23 std::string SysWideToNativeMB(const std::wstring& wide) { 24 return SysWideToMultiByte(wide, CP_ACP); 25 } 26 27 std::wstring SysNativeMBToWide(const StringPiece& native_mb) { 28 return SysMultiByteToWide(native_mb, CP_ACP); 29 } 30 31 // Do not assert in this function since it is used by the asssertion code! 32 std::wstring SysMultiByteToWide(const StringPiece& mb, uint32 code_page) { 33 if (mb.empty()) 34 return std::wstring(); 35 36 int mb_length = static_cast<int>(mb.length()); 37 // Compute the length of the buffer. 38 int charcount = MultiByteToWideChar(code_page, 0, 39 mb.data(), mb_length, NULL, 0); 40 if (charcount == 0) 41 return std::wstring(); 42 43 std::wstring wide; 44 wide.resize(charcount); 45 MultiByteToWideChar(code_page, 0, mb.data(), mb_length, &wide[0], charcount); 46 47 return wide; 48 } 49 50 // Do not assert in this function since it is used by the asssertion code! 51 std::string SysWideToMultiByte(const std::wstring& wide, uint32 code_page) { 52 int wide_length = static_cast<int>(wide.length()); 53 if (wide_length == 0) 54 return std::string(); 55 56 // Compute the length of the buffer we'll need. 57 int charcount = WideCharToMultiByte(code_page, 0, wide.data(), wide_length, 58 NULL, 0, NULL, NULL); 59 if (charcount == 0) 60 return std::string(); 61 62 std::string mb; 63 mb.resize(charcount); 64 WideCharToMultiByte(code_page, 0, wide.data(), wide_length, 65 &mb[0], charcount, NULL, NULL); 66 67 return mb; 68 } 69 70 } // namespace base 71
