/***********************************************************************
*                                                                      *
*               This software is part of the ast package               *
*          Copyright (c) 1985-2012 AT&T Intellectual Property          *
*          Copyright (c) 2020-2021 Contributors to ksh 93u+m           *
*                      and is licensed under the                       *
*                 Eclipse Public License, Version 1.0                  *
*                    by AT&T Intellectual Property                     *
*                                                                      *
*                A copy of the License is available at                 *
*          http://www.eclipse.org/org/documents/epl-v10.html           *
*         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *
*                                                                      *
*              Information and Software Systems Research               *
*                            AT&T Research                             *
*                           Florham Park NJ                            *
*                                                                      *
*                 Glenn Fowler <gsf@research.att.com>                  *
*                  David Korn <dgk@research.att.com>                   *
*                   Phong Vo <kpv@research.att.com>                    *
*                                                                      *
***********************************************************************/
/*
 * Glenn Fowler
 * AT&T Research
 *
 * command line option parser and usage formatter private definitions
 */

#ifndef _OPTLIB_H
#define _OPTLIB_H		1

#include <ast.h>
#include <cdt.h>

#define OPT_cache		0x01
#define OPT_functions		0x02
#define OPT_ignore		0x04
#define OPT_long		0x08
#define OPT_old			0x10
#define OPT_plus		0x20
#define OPT_proprietary		0x40

#define OPT_cache_flag		0x01
#define OPT_cache_invert	0x02
#define OPT_cache_numeric	0x04
#define OPT_cache_optional	0x08
#define OPT_cache_string	0x10

#define OPT_CACHE		128
#define OPT_FLAGS		"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"

struct Optdisc_s;

typedef struct Optpass_s
{
	char*			opts;
	char*			oopts;
	char*			catalog;
	unsigned char		version;
	unsigned char		prefix;
	unsigned char		flags;
	unsigned char		section;
} Optpass_t;

typedef struct Optcache_s
{
	struct Optcache_s*	next;
	Optpass_t		pass;
	int			caching;
	unsigned char		flags[sizeof(OPT_FLAGS)];
} Optcache_t;

typedef struct Optstate_s
{
	Sfio_t*		mp;		/* opt_info.msg string stream	*/
	Sfio_t*		vp;		/* translation string stream	*/
	Sfio_t*		xp;		/* translation string stream	*/
	Sfio_t*		cp;		/* compatibility string stream	*/
	Optpass_t	pass[8];	/* optjoin() list		*/
	char*		argv[2];	/* initial argv copy		*/
	char*		strv[3];	/* optstr() argv		*/
	char*		str;		/* optstr() string		*/
	Sfio_t*		strp;		/* optstr() stream		*/
	int		force;		/* force this style		*/
	int		pindex;		/* prev index for backup	*/
	int		poffset;	/* prev offset for backup	*/
	int		npass;		/* # optjoin() passes		*/
	int		join;		/* optjoin() pass #		*/
	int		plus;		/* + ok				*/
	int		style;		/* default opthelp() style	*/
	int		width;		/* format line width		*/
	int		flags;		/* display flags		*/
	int		emphasis;	/* ANSI term emphasis ok	*/
	Dtdisc_t	msgdisc;	/* msgdict discipline		*/
	Dt_t*		msgdict;	/* default ast.id catalog msgs	*/
	Optcache_t*	cache;		/* OPT_cache cache		*/
} Optstate_t;

#define _OPT_PRIVATE_ \
	char            pad[2*sizeof(void*)]; \
	Optstate_t*	state;

#include <error.h>

#endif
