/***************************************************************************
 *   This file is part of the 'Shout LVCS Recognition toolkit'.            *
 ***************************************************************************
 *   Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 by Marijn Huijbregts *
 *                                                                         *
 *   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; version 2 of the License.               *
 *                                                                         *
 *   This program 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 General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/
#ifndef MEMMAPPEDFILE_H
#define MEMMAPPEDFILE_H

class MemMappedFile
{
  protected:
   int   memBlockSize;
   int   objectSize;
   int   pageSize;
   int   firstObject;
   int   nrObjects;
   int   totNrObjects;
   int   fileDescriptor;
   bool  isWritable;
   char *memoryPool;

  public:
    MemMappedFile(int objSize, int nrObj, int memSize, const char *fileN, bool isWritable = true);
   ~MemMappedFile();

    void setWritePermission(bool isWritable);
    char *map   (int i);
};

#endif