fcoll.h

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#ifndef fcoll_H
#define fcoll_H
 
#include "zipios++/zipios-config.h"
 
#include <vector>
#include <string>
 
#include "zipios++/fcollexceptions.h"
#include "zipios++/fileentry.h"
 
namespace zipios {
 
using std::vector;
 
class FileCollection {
public:
  explicit FileCollection() 
    : _filename( "-"   ),
      _entries ( 0     ),
      _valid   ( false ) {}
 
  inline FileCollection( const FileCollection &src ) ;
 
  inline const FileCollection &operator= ( const FileCollection &src ) ;
  
  virtual void close() = 0 ;
 
  virtual ConstEntries entries() const ;
 
  enum MatchPath { IGNORE, MATCH } ;
 
  virtual ConstEntryPointer getEntry( const string &name, 
                                     MatchPath matchpath = MATCH ) const ;
  virtual istream *getInputStream( const ConstEntryPointer &entry ) = 0 ;
  virtual istream *getInputStream( const string &entry_name, 
                                     MatchPath matchpath = MATCH ) = 0 ;
  virtual string getName() const ;
  virtual int size() const ;
 
  bool isValid() const { return _valid ; }
 
  virtual FileCollection *clone() const = 0 ;
 
 
  virtual ~FileCollection () ;
protected:
  string _filename ;
  Entries _entries ;
  bool _valid ;
};
 
 
//
// Inline methods
//
 
FileCollection::FileCollection( const FileCollection &src ) 
  : _filename( src._filename ),
    _valid   ( src._valid    )
{
  _entries.reserve( src._entries.size() ) ;
  Entries::const_iterator it ;
  for ( it = src._entries.begin() ; it != src._entries.end() ; ++it )
    _entries.push_back( (*it)->clone() ) ;
}
 
const FileCollection &FileCollection::operator= ( const FileCollection &src ) {
  if ( this != &src ) {
    _filename = src._filename ;
    _valid    = src._valid    ;
    _entries.clear() ;
    _entries.reserve( src._entries.size() ) ;
    
    Entries::const_iterator it ;
    for ( it = src._entries.begin() ; it != src._entries.end() ; ++it )
      _entries.push_back( (*it)->clone() ) ;
  }
  return *this ;
}
 
inline ostream & operator<< (ostream &os, const FileCollection& collection) {
        os << "collection '" << collection.getName() << "' {" ;
        ConstEntries entries = collection.entries();
        ConstEntries::const_iterator it;
        bool isFirst=true;
        for (it=entries.begin(); it != entries.end(); ++it) {
                if(! isFirst)
                        os << ", ";
                isFirst = false;
                os << (*it)->getName();
        }
        os << "}";
        return os;
}
 
 
} // 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
*/