/* Copyright (C) 2000 Aladdin Enterprises.  All rights reserved.
  
  This program is free software; you can redistribute it and/or modify it
  under the terms of the GNU General Public License version 2
  as published by the Free Software Foundation.


  This software is provided AS-IS with no warranty, either express or
  implied. That is, 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.
  
  For more information about licensing, please refer to
  http://www.ghostscript.com/licensing/. For information on
  commercial licensing, go to http://www.artifex.com/licensing/ or
  contact Artifex Software, Inc., 101 Lucas Valley Road #110,
  San Rafael, CA  94903, U.S.A., +1(415)492-9861.
*/

/* $Id: sbcp.h,v 1.5 2002/06/16 05:00:54 lpd Exp $ */
/* Interface to [T]BCP streams */

#ifndef sbcp_INCLUDED
#  define sbcp_INCLUDED

/* (T)BCPEncode */
/* (no state) */
extern const stream_template s_BCPE_template;
extern const stream_template s_TBCPE_template;

/* (T)BCPDecode */
typedef struct stream_BCPD_state_s {
    stream_state_common;
    /* The client sets the following before initialization. */
    int (*signal_interrupt) (stream_state *);
    int (*request_status) (stream_state *);
    /* The following are updated dynamically. */
    bool escaped;
    int matched;		/* TBCP only */
    int copy_count;		/* TBCP only */
    const byte *copy_ptr;	/* TBCP only */
} stream_BCPD_state;

#define private_st_BCPD_state()	/* in sbcp.c */\
  gs_private_st_simple(st_BCPD_state, stream_BCPD_state, "(T)BCPDecode state")
extern const stream_template s_BCPD_template;
extern const stream_template s_TBCPD_template;

#endif /* sbcp_INCLUDED */
