#ifndef LPC_BITSTREAM_H1102530057_INCLUDE_GUARD_ #define LPC_BITSTREAM_H1102530057_INCLUDE_GUARD_ /* This file is part of indexlib. * Copyright (C) 2005 Luís Pedro Coelho <luis@luispedro.org> * * Indexlib is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License, version 2, as * published by the Free Software Foundation and available as file * GPL_V2 which is distributed along with indexlib. * * Indexlib 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 program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, * MA 02110-1301, USA * * In addition, as a special exception, the copyright holders give * permission to link the code of this program with any edition of * the TQt library by Trolltech AS, Norway (or with modified versions * of TQt that use the same license as TQt), and distribute linked * combinations including the two. You must obey the GNU General * Public License in all respects for all of the code used other than * TQt. If you modify this file, you may extend this exception to * your version of the file, but you are not obligated to do so. If * you do not wish to do so, delete this exception statement from * your version. */ #include <vector> #include <inttypes.h> struct bitstream { public: bitstream( const unsigned char* data, unsigned size ); bitstream( unsigned char* data, unsigned size ); bitstream& operator << ( uint16_t ); bitstream& operator << ( uint32_t ); bitstream& operator >> ( uint16_t& ); bitstream& operator >> ( uint32_t& ); void putback( uint16_t ); void putback( uint32_t ); unsigned nbytes() const { return size_ / 8 + bool( size_ % 8 ); } unsigned nbits() const { return size_; } const unsigned char* as_byte_vector() const { return &bytes_[ 0 ]; } private: bool getbit(); unsigned char* bytes_; const bool writeable_; const unsigned size_; unsigned cur_; void putbit( bool ); }; template <typename T> unsigned bits_for(); #endif /* LPC_BITSTREAM_H1102530057_INCLUDE_GUARD_ */