DirectoryIterator.hpp

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/*==========================================================================
 * Copyright (c) 2004 University of Massachusetts.  All Rights Reserved.
 *
 * Use of the Lemur Toolkit for Language Modeling and Information Retrieval
 * is subject to the terms of the software license set forth in the LICENSE
 * file included with this software, and also available at
 * http://www.lemurproject.org/license.html
 *
 *==========================================================================
 */


//
// DirectoryIterator
//
// 26 May 2004 -- tds
//

#ifndef INDRI_DIRECTORYITERATOR_HPP
#define INDRI_DIRECTORYITERATOR_HPP

#include <string>
namespace indri
{
  namespace file
  {
    
    class DirectoryIterator {
    private:
      static DirectoryIterator _end;

      bool _relative;
      std::string _current;
      void* _platform;
      std::string _path;

      void _copyCurrent();
      void _next();
  
    public:
      DirectoryIterator();
      
      DirectoryIterator( const std::string& path, bool relative = true );
      ~DirectoryIterator();

      void operator ++ (int);
      void operator ++ ();
      
      bool operator == ( const DirectoryIterator& other );
      
      const std::string& operator* ();
      
      const std::string& base() const;
      
      void close();
      
      static const DirectoryIterator& end();
    };
  }
}

#endif // INDRI_DIRECTORYITERATOR_HPP

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