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// filebuf with encoding state type -*- C++ -*-
// Copyright (C) 2002, 2003, 2004, 2007, 2009 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>
_GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)
/// 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
#endif
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