ipc/glue/StringUtil.cpp

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/ipc/glue/StringUtil.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,91 @@
     1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.7 +
     1.8 +#include "base/string_util.h"
     1.9 +
    1.10 +// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
    1.11 +// Use of this source code is governed by a BSD-style license that can be
    1.12 +// found in the LICENSE file.
    1.13 +
    1.14 +#include "base/sys_string_conversions.h"
    1.15 +
    1.16 +#include "base/string_piece.h"
    1.17 +#include "base/string_util.h"
    1.18 +
    1.19 +#include "build/build_config.h"
    1.20 +
    1.21 +// FIXME/cjones: these really only pertain to the linux sys string
    1.22 +// converters.
    1.23 +#ifdef WCHAR_T_IS_UTF16
    1.24 +#  define ICONV_WCHAR_T_ENCODING "UTF-16"
    1.25 +#else
    1.26 +#  define ICONV_WCHAR_T_ENCODING "WCHAR_T"
    1.27 +#endif
    1.28 +
    1.29 +// FIXME/cjones: BIG assumption here that std::string is a good
    1.30 +// container of UTF8-encoded strings.  this is probably wrong, as its
    1.31 +// API doesn't really make sense for UTF8.
    1.32 +
    1.33 +namespace base {
    1.34 +
    1.35 +// FIXME/cjones: as its name implies, this function is a hack.
    1.36 +template<typename FromType, typename ToType>
    1.37 +ToType
    1.38 +GhettoStringConvert(const FromType& in)
    1.39 +{
    1.40 +  // FIXME/cjones: assumes no non-ASCII characters in |in|
    1.41 +  ToType out;
    1.42 +  out.resize(in.length());
    1.43 +  for (int i = 0; i < static_cast<int>(in.length()); ++i)
    1.44 +      out[i] = static_cast<typename ToType::value_type>(in[i]);
    1.45 +  return out;
    1.46 +}
    1.47 +}
    1.48 +
    1.49 +// Implement functions that were in the chromium ICU library, which
    1.50 +// we're not taking.
    1.51 +
    1.52 +std::string
    1.53 +WideToUTF8(const std::wstring& wide)
    1.54 +{
    1.55 +    return base::SysWideToUTF8(wide);
    1.56 +}
    1.57 +
    1.58 +std::wstring
    1.59 +UTF8ToWide(const StringPiece& utf8)
    1.60 +{
    1.61 +    return base::SysUTF8ToWide(utf8);
    1.62 +}
    1.63 +
    1.64 +namespace base {
    1.65 +
    1.66 +// FIXME/cjones: here we're entirely replacing the linux string
    1.67 +// converters, and implementing the one that doesn't exist for OS X
    1.68 +// and Windows.
    1.69 +
    1.70 +#if !defined(OS_MACOSX) && !defined(OS_WIN)
    1.71 +std::string SysWideToUTF8(const std::wstring& wide) {
    1.72 +  // FIXME/cjones: do this with iconv
    1.73 +  return GhettoStringConvert<std::wstring, std::string>(wide);
    1.74 +}
    1.75 +#endif
    1.76 +
    1.77 +#if !defined(OS_MACOSX) && !defined(OS_WIN)
    1.78 +std::wstring SysUTF8ToWide(const StringPiece& utf8) {
    1.79 +  // FIXME/cjones: do this with iconv
    1.80 +  return GhettoStringConvert<StringPiece, std::wstring>(utf8);
    1.81 +}
    1.82 +
    1.83 +std::string SysWideToNativeMB(const std::wstring& wide) {
    1.84 +  // TODO(evanm): we can't assume Linux is UTF-8.
    1.85 +  return SysWideToUTF8(wide);
    1.86 +}
    1.87 +
    1.88 +std::wstring SysNativeMBToWide(const StringPiece& native_mb) {
    1.89 +  // TODO(evanm): we can't assume Linux is UTF-8.
    1.90 +  return SysUTF8ToWide(native_mb);
    1.91 +}
    1.92 +#endif
    1.93 +
    1.94 +}  // namespace base

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