The Tor Browser: ipc/glue/StringUtil.cpp@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* This Source Code Form is subject to the terms of the Mozilla Public

     2  * License, v. 2.0. If a copy of the MPL was not distributed with this

     3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     5 #include "base/string_util.h"

     7 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.

     8 // Use of this source code is governed by a BSD-style license that can be

     9 // found in the LICENSE file.

    11 #include "base/sys_string_conversions.h"

    13 #include "base/string_piece.h"

    14 #include "base/string_util.h"

    16 #include "build/build_config.h"

    18 // FIXME/cjones: these really only pertain to the linux sys string

    19 // converters.

    20 #ifdef WCHAR_T_IS_UTF16

    21 #  define ICONV_WCHAR_T_ENCODING "UTF-16"

    22 #else

    23 #  define ICONV_WCHAR_T_ENCODING "WCHAR_T"

    24 #endif

    26 // FIXME/cjones: BIG assumption here that std::string is a good

    27 // container of UTF8-encoded strings.  this is probably wrong, as its

    28 // API doesn't really make sense for UTF8.

    30 namespace base {

    32 // FIXME/cjones: as its name implies, this function is a hack.

    33 template<typename FromType, typename ToType>

    34 ToType

    35 GhettoStringConvert(const FromType& in)

    36 {

    37   // FIXME/cjones: assumes no non-ASCII characters in |in|

    38   ToType out;

    39   out.resize(in.length());

    40   for (int i = 0; i < static_cast<int>(in.length()); ++i)

    41       out[i] = static_cast<typename ToType::value_type>(in[i]);

    42   return out;

    43 }

    44 }

    46 // Implement functions that were in the chromium ICU library, which

    47 // we're not taking.

    49 std::string

    50 WideToUTF8(const std::wstring& wide)

    51 {

    52     return base::SysWideToUTF8(wide);

    53 }

    55 std::wstring

    56 UTF8ToWide(const StringPiece& utf8)

    57 {

    58     return base::SysUTF8ToWide(utf8);

    59 }

    61 namespace base {

    63 // FIXME/cjones: here we're entirely replacing the linux string

    64 // converters, and implementing the one that doesn't exist for OS X

    65 // and Windows.

    67 #if !defined(OS_MACOSX) && !defined(OS_WIN)

    68 std::string SysWideToUTF8(const std::wstring& wide) {

    69   // FIXME/cjones: do this with iconv

    70   return GhettoStringConvert<std::wstring, std::string>(wide);

    71 }

    72 #endif

    74 #if !defined(OS_MACOSX) && !defined(OS_WIN)

    75 std::wstring SysUTF8ToWide(const StringPiece& utf8) {

    76   // FIXME/cjones: do this with iconv

    77   return GhettoStringConvert<StringPiece, std::wstring>(utf8);

    78 }

    80 std::string SysWideToNativeMB(const std::wstring& wide) {

    81   // TODO(evanm): we can't assume Linux is UTF-8.

    82   return SysWideToUTF8(wide);

    83 }

    85 std::wstring SysNativeMBToWide(const StringPiece& native_mb) {

    86   // TODO(evanm): we can't assume Linux is UTF-8.

    87   return SysUTF8ToWide(native_mb);

    88 }

    89 #endif

    91 }  // namespace base

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