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123 lines
3.1 KiB
C++
123 lines
3.1 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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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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// and Windows.
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#if !defined(OS_MACOSX) && !defined(OS_WIN)
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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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#if !defined(OS_MACOSX) && !defined(OS_WIN)
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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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