/* Copyright (C) 2000 Aladdin Enterprises.  All rights reserved.
  
  This software is provided AS-IS with no warranty, either express or
  implied.
  
  This software is distributed under license and may not be copied,
  modified or distributed except as expressly authorized under the terms
  of the license contained in the file LICENSE in this distribution.
  
  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 */
