michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "base/string_util.h"
michael@0: 
michael@0: // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
michael@0: // Use of this source code is governed by a BSD-style license that can be
michael@0: // found in the LICENSE file.
michael@0: 
michael@0: #include "base/sys_string_conversions.h"
michael@0: 
michael@0: #include "base/string_piece.h"
michael@0: #include "base/string_util.h"
michael@0: 
michael@0: #include "build/build_config.h"
michael@0: 
michael@0: // FIXME/cjones: these really only pertain to the linux sys string
michael@0: // converters.
michael@0: #ifdef WCHAR_T_IS_UTF16
michael@0: #  define ICONV_WCHAR_T_ENCODING "UTF-16"
michael@0: #else
michael@0: #  define ICONV_WCHAR_T_ENCODING "WCHAR_T"
michael@0: #endif
michael@0: 
michael@0: // FIXME/cjones: BIG assumption here that std::string is a good
michael@0: // container of UTF8-encoded strings.  this is probably wrong, as its
michael@0: // API doesn't really make sense for UTF8.
michael@0: 
michael@0: namespace base {
michael@0: 
michael@0: // FIXME/cjones: as its name implies, this function is a hack.
michael@0: template<typename FromType, typename ToType>
michael@0: ToType
michael@0: GhettoStringConvert(const FromType& in)
michael@0: {
michael@0:   // FIXME/cjones: assumes no non-ASCII characters in |in|
michael@0:   ToType out;
michael@0:   out.resize(in.length());
michael@0:   for (int i = 0; i < static_cast<int>(in.length()); ++i)
michael@0:       out[i] = static_cast<typename ToType::value_type>(in[i]);
michael@0:   return out;
michael@0: }
michael@0: }
michael@0: 
michael@0: // Implement functions that were in the chromium ICU library, which
michael@0: // we're not taking.
michael@0: 
michael@0: std::string
michael@0: WideToUTF8(const std::wstring& wide)
michael@0: {
michael@0:     return base::SysWideToUTF8(wide);
michael@0: }
michael@0: 
michael@0: std::wstring
michael@0: UTF8ToWide(const StringPiece& utf8)
michael@0: {
michael@0:     return base::SysUTF8ToWide(utf8);
michael@0: }
michael@0: 
michael@0: namespace base {
michael@0: 
michael@0: // FIXME/cjones: here we're entirely replacing the linux string
michael@0: // converters, and implementing the one that doesn't exist for OS X
michael@0: // and Windows.
michael@0: 
michael@0: #if !defined(OS_MACOSX) && !defined(OS_WIN)
michael@0: std::string SysWideToUTF8(const std::wstring& wide) {
michael@0:   // FIXME/cjones: do this with iconv
michael@0:   return GhettoStringConvert<std::wstring, std::string>(wide);
michael@0: }
michael@0: #endif
michael@0: 
michael@0: #if !defined(OS_MACOSX) && !defined(OS_WIN)
michael@0: std::wstring SysUTF8ToWide(const StringPiece& utf8) {
michael@0:   // FIXME/cjones: do this with iconv
michael@0:   return GhettoStringConvert<StringPiece, std::wstring>(utf8);
michael@0: }
michael@0: 
michael@0: std::string SysWideToNativeMB(const std::wstring& wide) {
michael@0:   // TODO(evanm): we can't assume Linux is UTF-8.
michael@0:   return SysWideToUTF8(wide);
michael@0: }
michael@0: 
michael@0: std::wstring SysNativeMBToWide(const StringPiece& native_mb) {
michael@0:   // TODO(evanm): we can't assume Linux is UTF-8.
michael@0:   return SysUTF8ToWide(native_mb);
michael@0: }
michael@0: #endif
michael@0: 
michael@0: }  // namespace base