// filebuf with encoding state type -*- C++ -*- // Copyright (C) 2002-2018 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 // . /** @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 #include #include namespace __gnu_cxx _GLIBCXX_VISIBILITY(default) { _GLIBCXX_BEGIN_NAMESPACE_VERSION /// class enc_filebuf. template 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