66 lines
2.2 KiB
C++
66 lines
2.2 KiB
C++
// filebuf with encoding state type -*- C++ -*-
|
|
|
|
// Copyright (C) 2002-2014 Free Software Foundation, Inc.
|
|
//
|
|
// This file is part of the GNU ISO C++ Library. This library is free
|
|
// software; you can redistribute it and/or modify it under the
|
|
// terms of the GNU General Public License as published by the
|
|
// Free Software Foundation; either version 3, or (at your option)
|
|
// any later version.
|
|
|
|
// This library is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
|
|
// Under Section 7 of GPL version 3, you are granted additional
|
|
// permissions described in the GCC Runtime Library Exception, version
|
|
// 3.1, as published by the Free Software Foundation.
|
|
|
|
// You should have received a copy of the GNU General Public License and
|
|
// a copy of the GCC Runtime Library Exception along with this program;
|
|
// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
|
|
// <http://www.gnu.org/licenses/>.
|
|
|
|
/** @file ext/enc_filebuf.h
|
|
* This file is a GNU extension to the Standard C++ Library.
|
|
*/
|
|
|
|
#ifndef _EXT_ENC_FILEBUF_H
|
|
#define _EXT_ENC_FILEBUF_H 1
|
|
|
|
#include <fstream>
|
|
#include <locale>
|
|
#include <ext/codecvt_specializations.h>
|
|
|
|
namespace __gnu_cxx _GLIBCXX_VISIBILITY(default)
|
|
{
|
|
_GLIBCXX_BEGIN_NAMESPACE_VERSION
|
|
|
|
/// class enc_filebuf.
|
|
template<typename _CharT>
|
|
class enc_filebuf
|
|
: public std::basic_filebuf<_CharT, encoding_char_traits<_CharT> >
|
|
{
|
|
public:
|
|
typedef encoding_char_traits<_CharT> traits_type;
|
|
typedef typename traits_type::state_type state_type;
|
|
typedef typename traits_type::pos_type pos_type;
|
|
|
|
enc_filebuf(state_type& __state)
|
|
: std::basic_filebuf<_CharT, encoding_char_traits<_CharT> >()
|
|
{ this->_M_state_beg = __state; }
|
|
|
|
private:
|
|
// concept requirements:
|
|
// Set state type to something useful.
|
|
// Something more than copyconstructible is needed here, so
|
|
// require default and copy constructible + assignment operator.
|
|
__glibcxx_class_requires(state_type, _SGIAssignableConcept)
|
|
};
|
|
|
|
_GLIBCXX_END_NAMESPACE_VERSION
|
|
} // namespace
|
|
|
|
#endif
|