/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim: set ts=8 sts=2 et sw=2 tw=80: */

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

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

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

#include "base/string_util.h"

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

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

// found in the LICENSE file.

#include "base/sys_string_conversions.h"

#include "base/string_piece.h"

#include "base/string_util.h"

#include "build/build_config.h"

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

// converters.

#ifdef WCHAR_T_IS_UTF16

#  define ICONV_WCHAR_T_ENCODING "UTF-16"

#else

#  define ICONV_WCHAR_T_ENCODING "WCHAR_T"

#endif

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

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

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

namespace base {

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

template<typename FromType, typename ToType>

ToType

GhettoStringConvert(const FromType& in)

{

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

  ToType out;

  out.resize(in.length());

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

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

  return out;

}

Unexecuted instantiation: std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > base::GhettoStringConvert<std::__1::basic_string<wchar_t, std::__1::char_traits<wchar_t>, std::__1::allocator<wchar_t> >, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > >(std::__1::basic_string<wchar_t, std::__1::char_traits<wchar_t>, std::__1::allocator<wchar_t> > const&)

Unexecuted instantiation: std::__1::basic_string<wchar_t, std::__1::char_traits<wchar_t>, std::__1::allocator<wchar_t> > base::GhettoStringConvert<StringPiece, std::__1::basic_string<wchar_t, std::__1::char_traits<wchar_t>, std::__1::allocator<wchar_t> > >(StringPiece const&)

} // namespace base

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

// we're not taking.

std::string

WideToUTF8(const std::wstring& wide)

{

    return base::SysWideToUTF8(wide);

}

std::wstring

UTF8ToWide(const StringPiece& utf8)

{

    return base::SysUTF8ToWide(utf8);

}

namespace base {

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

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

// and Windows.

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

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

  // FIXME/cjones: do this with iconv

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

}

#endif

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

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

  // FIXME/cjones: do this with iconv

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

}

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

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

  return SysWideToUTF8(wide);

}

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

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

  return SysUTF8ToWide(native_mb);

}

#endif

} // namespace base