зеркало из https://github.com/mozilla/gecko-dev.git
154 строки
4.5 KiB
C++
154 строки
4.5 KiB
C++
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla IPC.
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*
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* The Initial Developer of the Original Code is
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* Chris Jones <jones.chris.g@gmail.com>.
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* Portions created by the Initial Developer are Copyright (C) 2009
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "base/string_util.h"
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// 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/sys_string_conversions.h"
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#include "base/string_piece.h"
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#include "base/string_util.h"
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#include "build/build_config.h"
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// FIXME/cjones: these really only pertain to the linux sys string
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// converters.
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#ifdef WCHAR_T_IS_UTF16
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# define ICONV_WCHAR_T_ENCODING "UTF-16"
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#else
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# define ICONV_WCHAR_T_ENCODING "WCHAR_T"
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#endif
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// FIXME/cjones: BIG assumption here that std::string is a good
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// container of UTF8-encoded strings. this is probably wrong, as its
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// API doesn't really make sense for UTF8.
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namespace base {
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string16 SysWideToUTF16(const std::wstring& wide);
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// FIXME/cjones: as its name implies, this function is a hack.
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template<typename FromType, typename ToType>
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ToType
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GhettoStringConvert(const FromType& in)
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{
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// FIXME/cjones: assumes no non-ASCII characters in |in|
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ToType out;
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out.resize(in.length());
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for (int i = 0; i < static_cast<int>(in.length()); ++i)
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out[i] = static_cast<typename ToType::value_type>(in[i]);
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return out;
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}
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}
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// Implement functions that were in the chromium ICU library, which
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// we're not taking.
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std::string
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WideToUTF8(const std::wstring& wide)
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{
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return base::SysWideToUTF8(wide);
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}
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string16
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UTF8ToUTF16(const std::string& utf8)
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{
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// FIXME/cjones: do proper conversion
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return base::GhettoStringConvert<std::string, string16>(utf8);
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}
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std::wstring
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UTF8ToWide(const StringPiece& utf8)
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{
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return base::SysUTF8ToWide(utf8);
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}
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string16
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WideToUTF16(const std::wstring& wide)
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{
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return base::SysWideToUTF16(wide);
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}
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std::string
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UTF16ToUTF8(const string16& utf16)
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{
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// FIXME/cjones: do proper conversion
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return base::GhettoStringConvert<string16, std::string>(utf16);
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}
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namespace base {
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// FIXME/cjones: here we're entirely replacing the linux string
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// converters, and implementing the one that doesn't exist for OS X.
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#ifndef OS_MACOSX
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std::string SysWideToUTF8(const std::wstring& wide) {
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// FIXME/cjones: do this with iconv
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return GhettoStringConvert<std::wstring, std::string>(wide);
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}
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#endif
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string16 SysWideToUTF16(const std::wstring& wide)
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{
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#if defined(WCHAR_T_IS_UTF16)
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return wide;
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#else
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// FIXME/cjones: do this with iconv for linux, other for OS X
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return GhettoStringConvert<std::wstring, string16>(wide);
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#endif
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}
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#ifndef OS_MACOSX
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std::wstring SysUTF8ToWide(const StringPiece& utf8) {
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// FIXME/cjones: do this with iconv
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return GhettoStringConvert<StringPiece, std::wstring>(utf8);
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}
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std::string SysWideToNativeMB(const std::wstring& wide) {
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// TODO(evanm): we can't assume Linux is UTF-8.
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return SysWideToUTF8(wide);
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}
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std::wstring SysNativeMBToWide(const StringPiece& native_mb) {
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// TODO(evanm): we can't assume Linux is UTF-8.
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return SysUTF8ToWide(native_mb);
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}
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#endif
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} // namespace base
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