/***************************************************************************

  gb.compress.h

  Compression Library - Interface for compression drivers

  (c) 2003-2004 Daniel Campos Fernández <danielcampos@netcourrier.com>

  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 1, 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., 675 Mass Ave, Cambridge, MA 02139, USA.

***************************************************************************/

#ifndef __GB_COMPRESS_H
#define __GB_COMPRESS_H

#include "gambas.h"

typedef
  struct {
    char *type;
    }
  COMPRESS_DESC;


typedef
  struct {
  
    char *name;
    int (*max_compression)(void);
    int (*min_compression)(void);
    int (*default_compression)(void);
    
    struct {
    	int  (*String) (char **target,unsigned long *lent,char *source,unsigned int len,int level);
	int  (*File)   (char *source,char *target,int level);
	void (*Open)   (char *path,int level,GB_STREAM *stream);
	int  (*Close)  (GB_STREAM *stream);
    } Compress;
    
    struct {
    	int  (*String) (char **target,unsigned long *lent,char *source,unsigned long len);
	int  (*File)   (char *source,char *target);
	void (*Open)   (char *path,GB_STREAM *stream);
	int  (*Close)  (GB_STREAM *stream);
    } Uncompress;

    
    }
  COMPRESS_DRIVER;

typedef
  struct {
    long version;
    void (*Register)(COMPRESS_DRIVER *);
    }
  COMPRESS_INTERFACE;

#define COMPRESS_INTERFACE_VERSION 1

#endif