gcc/libstdc++-v3/include/ext/enc_filebuf.h
Bernardo Innocenti fa30fe72d1 algorithm, [...]: Remove trailing whitespace.
* include/ext/algorithm, include/ext/debug_allocator.h,
	include/ext/enc_filebuf.h, include/ext/functional,
	include/ext/hash_fun.h, include/ext/hash_map, include/ext/hash_set,
	include/ext/hashtable.h, include/ext/iterator,
	include/ext/malloc_allocator.h, include/ext/memory,
	include/ext/mt_allocator.h, include/ext/numeric,
	include/ext/pod_char_traits.h, include/ext/pool_allocator.h,
	include/ext/rb_tree, include/ext/rope, include/ext/ropeimpl.h,
	include/ext/slist, include/ext/stdio_filebuf.h,
	include/ext/stdio_sync_filebuf.h: Remove trailing whitespace.

From-SVN: r74464
2003-12-09 05:31:53 +01:00

66 lines
2.6 KiB
C++

// filebuf with __enc_traits state type -*- C++ -*-
// Copyright (C) 2002, 2003 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 2, 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.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING. If not, write to the Free
// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
// As a special exception, you may use this file as part of a free software
// library without restriction. Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License. This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.
#include <fstream>
#include <locale>
namespace __gnu_cxx
{
// Custom traits type with __enc_traits for the state type, and the
// associated fpos<__enc_traits> for the position type, all other
// bits equivalent to the required char_traits instantiations.
template<typename _CharT>
struct enc_char_traits: public std::char_traits<_CharT>
{
typedef std::__enc_traits state_type;
typedef typename std::fpos<state_type> pos_type;
};
template<typename _CharT>
class enc_filebuf
: public std::basic_filebuf<_CharT, enc_char_traits<_CharT> >
{
public:
typedef enc_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, enc_char_traits<_CharT> >()
{
// 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);
this->_M_state_beg = __state;
this->_M_state_beg._M_init();
};
};
} // namespace __gnu_cxx