xref: /openbsd-src/usr.bin/mandoc/libmandoc.h (revision 6f05df2d9be0954bec42d51d943d77bd250fb664)
1 /*	$OpenBSD: libmandoc.h,v 1.37 2014/12/01 08:05:02 schwarze Exp $ */
2 /*
3  * Copyright (c) 2009, 2010, 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv>
4  * Copyright (c) 2013, 2014 Ingo Schwarze <schwarze@openbsd.org>
5  *
6  * Permission to use, copy, modify, and distribute this software for any
7  * purpose with or without fee is hereby granted, provided that the above
8  * copyright notice and this permission notice appear in all copies.
9  *
10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17  */
18 
19 enum	rofferr {
20 	ROFF_CONT, /* continue processing line */
21 	ROFF_RERUN, /* re-run roff interpreter with offset */
22 	ROFF_APPEND, /* re-run main parser, appending next line */
23 	ROFF_REPARSE, /* re-run main parser on the result */
24 	ROFF_SO, /* include another file */
25 	ROFF_IGN, /* ignore current line */
26 	ROFF_TBL, /* a table row was successfully parsed */
27 	ROFF_EQN, /* an equation was successfully parsed */
28 	ROFF_ERR /* badness: puke and stop */
29 };
30 
31 struct	buf {
32 	char	*buf;
33 	size_t	 sz;
34 };
35 
36 __BEGIN_DECLS
37 
38 struct	mparse;
39 struct	mchars;
40 enum	mandocerr;
41 struct	tbl_span;
42 struct	eqn;
43 struct	roff;
44 struct	mdoc;
45 struct	man;
46 
47 void		 mandoc_msg(enum mandocerr, struct mparse *,
48 			int, int, const char *);
49 void		 mandoc_vmsg(enum mandocerr, struct mparse *,
50 			int, int, const char *, ...);
51 char		*mandoc_getarg(struct mparse *, char **, int, int *);
52 char		*mandoc_normdate(struct mparse *, char *, int, int);
53 int		 mandoc_eos(const char *, size_t);
54 int		 mandoc_strntoi(const char *, size_t, int);
55 const char	*mandoc_a2msec(const char*);
56 
57 void		 mdoc_free(struct mdoc *);
58 struct	mdoc	*mdoc_alloc(struct roff *, struct mparse *,
59 			const char *, int);
60 void		 mdoc_reset(struct mdoc *);
61 int		 mdoc_parseln(struct mdoc *, int, char *, int);
62 int		 mdoc_endparse(struct mdoc *);
63 void		 mdoc_addspan(struct mdoc *, const struct tbl_span *);
64 void		 mdoc_addeqn(struct mdoc *, const struct eqn *);
65 
66 void		 man_free(struct man *);
67 struct	man	*man_alloc(struct roff *, struct mparse *, int);
68 void		 man_reset(struct man *);
69 int		 man_parseln(struct man *, int, char *, int);
70 int		 man_endparse(struct man *);
71 void		 man_addspan(struct man *, const struct tbl_span *);
72 void		 man_addeqn(struct man *, const struct eqn *);
73 
74 int		 preconv_cue(const struct buf *, size_t);
75 int		 preconv_encode(struct buf *, size_t *,
76 			struct buf *, size_t *, int *);
77 
78 void		 roff_free(struct roff *);
79 struct roff	*roff_alloc(struct mparse *, const struct mchars *, int);
80 void		 roff_reset(struct roff *);
81 enum rofferr	 roff_parseln(struct roff *, int, struct buf *, int *);
82 void		 roff_endparse(struct roff *);
83 void		 roff_setreg(struct roff *, const char *, int, char sign);
84 int		 roff_getreg(const struct roff *, const char *);
85 char		*roff_strdup(const struct roff *, const char *);
86 int		 roff_getcontrol(const struct roff *,
87 			const char *, int *);
88 int		 roff_getformat(const struct roff *);
89 
90 const struct tbl_span	*roff_span(const struct roff *);
91 const struct eqn	*roff_eqn(const struct roff *);
92 
93 __END_DECLS
94