zipoutputstreambuf.h

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#ifndef ZIPOUTPUTSTREAMBUF_H
#define ZIPOUTPUTSTREAMBUF_H

#include "zipios-config.h"

#include <vector>

#include <zlib.h>

#include "fcoll.h"
#include "deflateoutputstreambuf.h"
#include "ziphead.h"

namespace zipios {

class ZipOutputStreambuf : public DeflateOutputStreambuf {
public:

  enum CompressionLevels { NO_COMPRESSION      = Z_NO_COMPRESSION, 
                           BEST_SPEED          = Z_BEST_SPEED,
                           BEST_COMPRESSION    = Z_BEST_COMPRESSION,
                           DEFAULT_COMPRESSION = Z_DEFAULT_COMPRESSION  } ;

  explicit ZipOutputStreambuf( streambuf *outbuf, bool del_outbuf = false ) ;

  void closeEntry() ;

  void close() ;

  void finish() ;

  void putNextEntry( const ZipCDirEntry &entry ) ;

  void setComment( const string &comment ) ;

  void setLevel( int level ) ;

  void setMethod( StorageMethod method ) ;

  virtual ~ZipOutputStreambuf() ;

protected:
  virtual int overflow( int c = EOF ) ;
  virtual int sync() ;

  void setEntryClosedState() ;
  void updateEntryHeaderInfo() ;

  // Should/could be moved to zipheadio.h ?!
  static void writeCentralDirectory( const vector< ZipCDirEntry > &entries, 
                                     EndOfCentralDirectory eocd,
                                     ostream &os ) ;



private:
  string _zip_comment ;
  vector< ZipCDirEntry > _entries ;
  bool _open_entry ;
  bool _open ;
  StorageMethod _method ;
  int _level ;
};


} // namespace



#endif

/*
  Zipios++ - a small C++ library that provides easy access to .zip files.
  Copyright (C) 2000  Thomas Søndergaard
  
  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
*/