segfile.h

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/*
 *  segfile.h - Handle access to to a data file consisting of segments.
 *
 *  Copyright (C) 2000-2001  The Exult Team
 *
 *  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.
 *
 *  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 _SEGFILE_H_
#define _SEGFILE_H_

#include <fstream>
#include <string>

#include "exult_types.h"

/*
 *  A class for accessing any 'segmented' file:
 */
class Segment_file
{
  std::string   filename;
  std::ifstream file;     // For reading.
  uint32      num_segments;
public:
  Segment_file(std::string nm);
  int get_num_segments()
    { return num_segments; }
  int is_good()
    { return (num_segments != 0); }
          // Return allocated buffer with data.
  char* retrieve(uint32 index, std::size_t& len);
};

#endif

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