Reader.h

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/* This software and supporting documentation are distributed by
 *     Institut Federatif de Recherche 49
 *     CEA/NeuroSpin, Batiment 145,
 *     91191 Gif-sur-Yvette cedex
 *     France
 *
 * This software is governed by the CeCILL-B license under
 * French law and abiding by the rules of distribution of free software.
 * You can  use, modify and/or redistribute the software under the
 * terms of the CeCILL-B license as circulated by CEA, CNRS
 * and INRIA at the following URL "http://www.cecill.info".
 *
 * As a counterpart to the access to the source code and  rights to copy,
 * modify and redistribute granted by the license, users are provided only
 * with a limited warranty  and the software's author,  the holder of the
 * economic rights,  and the successive licensors  have only  limited
 * liability.
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 * In this respect, the user's attention is drawn to the risks associated
 * with loading,  using,  modifying and/or developing or reproducing the
 * software by the user in light of its specific status of free software,
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 * therefore means  that it is reserved for developers  and  experienced
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 */
 
 
#ifndef ANA_PROCESSOR_READER_H
#define ANA_PROCESSOR_READER_H
 
 
//--- header files ------------------------------------------------------------
 
#include <anatomist/processor/context.h>
#include <anatomist/processor/pipeReaderP.h>
#include <cartobase/smart/mutexrcptr.h>
#include <fstream>
#include <string>
 
namespace anatomist
{
  class Unserializer;
 
 
  //--- class declarations ----------------------------------------------------

  class CommandReader
  {
  public:
    CommandReader( const std::string& filename, 
                   carto::MutexRcPtr<CommandContext> & context );
    CommandReader( carto::MutexRcPtr<CommandContext> & context );

    virtual ~CommandReader();

    void attach( std::istream & is );
    void close();
    bool askedToClose() const { return( _askedToClose ); }
    bool askedToRemovePipeFile() const { return( _removePipe ); }


    void read();

    void readOne();

 
  private:
    std::istream                        *_history;
    bool                                _ownStream;
    carto::MutexRcPtr<CommandContext>  _context;
    bool                                _askedToClose;
    bool                                _removePipe;
  };
 
}
 
#endif