ipc/chromium/src/base/sys_string_conversions_win.cc

Thu, 22 Jan 2015 13:21:57 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 22 Jan 2015 13:21:57 +0100
branch
TOR_BUG_9701
changeset 15
b8a032363ba2
permissions
-rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

michael@0 1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
michael@0 2 // Use of this source code is governed by a BSD-style license that can be
michael@0 3 // found in the LICENSE file.
michael@0 4
michael@0 5 #include "base/sys_string_conversions.h"
michael@0 6
michael@0 7 #include <windows.h>
michael@0 8
michael@0 9 #include "base/string_piece.h"
michael@0 10
michael@0 11 namespace base {
michael@0 12
michael@0 13 // Do not assert in this function since it is used by the asssertion code!
michael@0 14 std::string SysWideToUTF8(const std::wstring& wide) {
michael@0 15 return SysWideToMultiByte(wide, CP_UTF8);
michael@0 16 }
michael@0 17
michael@0 18 // Do not assert in this function since it is used by the asssertion code!
michael@0 19 std::wstring SysUTF8ToWide(const StringPiece& utf8) {
michael@0 20 return SysMultiByteToWide(utf8, CP_UTF8);
michael@0 21 }
michael@0 22
michael@0 23 std::string SysWideToNativeMB(const std::wstring& wide) {
michael@0 24 return SysWideToMultiByte(wide, CP_ACP);
michael@0 25 }
michael@0 26
michael@0 27 std::wstring SysNativeMBToWide(const StringPiece& native_mb) {
michael@0 28 return SysMultiByteToWide(native_mb, CP_ACP);
michael@0 29 }
michael@0 30
michael@0 31 // Do not assert in this function since it is used by the asssertion code!
michael@0 32 std::wstring SysMultiByteToWide(const StringPiece& mb, uint32_t code_page) {
michael@0 33 if (mb.empty())
michael@0 34 return std::wstring();
michael@0 35
michael@0 36 int mb_length = static_cast<int>(mb.length());
michael@0 37 // Compute the length of the buffer.
michael@0 38 int charcount = MultiByteToWideChar(code_page, 0,
michael@0 39 mb.data(), mb_length, NULL, 0);
michael@0 40 if (charcount == 0)
michael@0 41 return std::wstring();
michael@0 42
michael@0 43 std::wstring wide;
michael@0 44 wide.resize(charcount);
michael@0 45 MultiByteToWideChar(code_page, 0, mb.data(), mb_length, &wide[0], charcount);
michael@0 46
michael@0 47 return wide;
michael@0 48 }
michael@0 49
michael@0 50 // Do not assert in this function since it is used by the asssertion code!
michael@0 51 std::string SysWideToMultiByte(const std::wstring& wide, uint32_t code_page) {
michael@0 52 int wide_length = static_cast<int>(wide.length());
michael@0 53 if (wide_length == 0)
michael@0 54 return std::string();
michael@0 55
michael@0 56 // Compute the length of the buffer we'll need.
michael@0 57 int charcount = WideCharToMultiByte(code_page, 0, wide.data(), wide_length,
michael@0 58 NULL, 0, NULL, NULL);
michael@0 59 if (charcount == 0)
michael@0 60 return std::string();
michael@0 61
michael@0 62 std::string mb;
michael@0 63 mb.resize(charcount);
michael@0 64 WideCharToMultiByte(code_page, 0, wide.data(), wide_length,
michael@0 65 &mb[0], charcount, NULL, NULL);
michael@0 66
michael@0 67 return mb;
michael@0 68 }
michael@0 69
michael@0 70 } // namespace base

mercurial