File: libmandoc.h

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/*	$Id: libmandoc.h,v 1.71 2018/04/09 22:27:04 schwarze Exp $ */
/*
 * Copyright (c) 2009, 2010, 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv>
 * Copyright (c) 2013, 2014, 2015, 2017 Ingo Schwarze <schwarze@openbsd.org>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

enum	rofferr {
	ROFF_CONT, /* continue processing line */
	ROFF_RERUN, /* re-run roff interpreter with offset */
	ROFF_APPEND, /* re-run main parser, appending next line */
	ROFF_REPARSE, /* re-run main parser on the result */
	ROFF_SO, /* include another file */
	ROFF_IGN, /* ignore current line */
};

struct	buf {
	char	*buf;
	size_t	 sz;
};


struct	mparse;
struct	roff;
struct	roff_man;

void		 mandoc_msg(enum mandocerr, struct mparse *,
			int, int, const char *);
void		 mandoc_vmsg(enum mandocerr, struct mparse *,
			int, int, const char *, ...)
			__attribute__((__format__ (__printf__, 5, 6)));
char		*mandoc_getarg(struct mparse *, char **, int, int *);
char		*mandoc_normdate(struct roff_man *, char *, int, int);
int		 mandoc_eos(const char *, size_t);
int		 mandoc_strntoi(const char *, size_t, int);
const char	*mandoc_a2msec(const char*);

int		 mdoc_parseln(struct roff_man *, int, char *, int);
void		 mdoc_endparse(struct roff_man *);

int		 man_parseln(struct roff_man *, int, char *, int);
void		 man_endparse(struct roff_man *);

int		 preconv_cue(const struct buf *, size_t);
int		 preconv_encode(const struct buf *, size_t *,
			struct buf *, size_t *, int *);

void		 roff_free(struct roff *);
struct roff	*roff_alloc(struct mparse *, int);
void		 roff_reset(struct roff *);
void		 roff_man_free(struct roff_man *);
struct roff_man	*roff_man_alloc(struct roff *, struct mparse *,
			const char *, int);
void		 roff_man_reset(struct roff_man *);
enum rofferr	 roff_parseln(struct roff *, int, struct buf *, int *);
void		 roff_endparse(struct roff *);
void		 roff_setreg(struct roff *, const char *, int, char sign);
int		 roff_getreg(struct roff *, const char *);
char		*roff_strdup(const struct roff *, const char *);
int		 roff_getcontrol(const struct roff *,
			const char *, int *);
int		 roff_getformat(const struct roff *);