pmb/res.php

#ifndef DEFLATEOUTPUTSTREAMBUF_H

#define DEFLATEOUTPUTSTREAMBUF_H


#include "zipios++/zipios-config.h"


#include "zipios++/meta-iostreams.h"

#include <vector>


#include <zlib.h>


#include "zipios++/filteroutputstreambuf.h"

#include "zipios++/ziphead.h"

#include "zipios++/zipios_defs.h"


namespace zipios {


using std::vector ;


class DeflateOutputStreambuf : public FilterOutputStreambuf {

public:


  explicit DeflateOutputStreambuf( streambuf *outbuf, bool user_init = false,

                                   bool del_outbuf = false ) ;


  virtual ~DeflateOutputStreambuf() ;


  bool init( int comp_level = 6 ) ;

  bool closeStream() ;


  uint32 getCrc32() const         { return _crc32 ;           }


  uint32 getCount() const         { return _overflown_bytes ; }


protected:

  virtual int overflow( int c = EOF ) ;

  virtual int sync() ;


  bool flushOutvec() ;


  void endDeflation() ;


private:

  z_stream _zs ;

  bool _zs_initialized ;

protected: // FIXME: reconsider design?

  const int _invecsize ;

  vector< char > _invec ;

  const int _outvecsize ;

  vector< char > _outvec ;


  uint32 _crc32 ;

  uint32 _overflown_bytes ;

};


} // namespace


#endif


/*

  Zipios++ - a small C++ library that provides easy access to .zip files.

  Copyright (C) 2000  Thomas Sшndergaard


  This library is free software; you can redistribute it and/or

  modify it under the terms of the GNU Lesser General Public

  License as published by the Free Software Foundation; either

  version 2 of the License, 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

  Lesser General Public License for more details.


  You should have received a copy of the GNU Lesser General Public

  License along with this library; if not, write to the Free Software

  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA

*/