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filedevice.h

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/***************************************************************************
    filedevice.h  -  Definition of the FileDevice class.
                             -------------------
    begin                : June 21 2002
    copyright            : (C) 2003 by Vojtìch Toman
    email                : vtoman@lit.cz
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

#ifndef FILEDEVICE_H
#define FILEDEVICE_H

#ifdef __GNUG__
# pragma interface
#endif


#include <fstream>
#include "iodevice.h"
#include "defs.h"



class FileDevice : public IODevice, public fstream
{
public:
  FileDevice(void);

  virtual ~FileDevice(void);

  virtual void prepare(const char *, int) throw (ExaltIOException);

  virtual void prepare(void) throw (ExaltIOException) { prepare(0, ios::in); }

  virtual void flush(void) throw (ExaltIOException);

  virtual void finish(void) throw (ExaltIOException);

  virtual IOState readData(char *buf, IOSize length) throw (ExaltIOException);

  virtual IOState getChar(int *) throw (ExaltIOException);

  virtual IOState writeData(const char *buf, IOSize length) throw (ExaltIOException);

  virtual IOState putChar(int) throw (ExaltIOException);

  virtual IOSize bytesReadTotal(void);

  virtual IOSize bytesRead(void);

  virtual IOSize bytesWritten(void);

  virtual bool errorOccurred(void);

  virtual bool eof(void);

protected:
  IOSize bWritten;

  IOSize bRead;
};



#endif //FILEDEVICE_H

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