zipfile.h

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#ifndef ZIPFILE_H
#define ZIPFILE_H

#include "zipios-config.h"

#include <vector>
#include "meta-iostreams.h"

#include "fcoll.h"
#include "ziphead.h"
#include "virtualseeker.h"

namespace zipios {

using std::ifstream ;

class BaseExport ZipFile : public FileCollection {
public:
  static ZipFile openEmbeddedZipFile( const string &name ) ;

  ZipFile() {}

  /* Default Copy constructor and copy assignment operator are sufficient. */

  explicit ZipFile( const string &name, int s_off = 0, int e_off = 0
                    /* , ios::open_mode mode  = ios::in | ios::binary */ ) ;

  virtual FileCollection *clone() const ;

  virtual ~ZipFile() ;

  virtual void close() ;

  virtual istream *getInputStream( const ConstEntryPointer &entry ) ;
  virtual istream *getInputStream( const string &entry_name, 
                                     MatchPath matchpath = MATCH ) ;
private:
  VirtualSeeker _vs ;
  EndOfCentralDirectory  _eocd ;

  bool init( istream &_zipfile ) ;
  bool readCentralDirectory( istream &_zipfile ) ;
  bool readEndOfCentralDirectory( istream &_zipfile ) ;
  bool confirmLocalHeaders( istream &_zipfile ) ;
  void setError( string error_str ) ;
};

}

#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
*/