xref: /openbsd-src/usr.bin/mandoc/libmandoc.h (revision e5157e49389faebcb42b7237d55fbf096d9c2523)
1 /*	$OpenBSD: libmandoc.h,v 1.34 2014/11/01 06:02:43 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 #ifndef LIBMANDOC_H
19 #define LIBMANDOC_H
20 
21 enum	rofferr {
22 	ROFF_CONT, /* continue processing line */
23 	ROFF_RERUN, /* re-run roff interpreter with offset */
24 	ROFF_APPEND, /* re-run main parser, appending next line */
25 	ROFF_REPARSE, /* re-run main parser on the result */
26 	ROFF_SO, /* include another file */
27 	ROFF_IGN, /* ignore current line */
28 	ROFF_TBL, /* a table row was successfully parsed */
29 	ROFF_EQN, /* an equation was successfully parsed */
30 	ROFF_ERR /* badness: puke and stop */
31 };
32 
33 struct	buf {
34 	char	*buf;
35 	size_t	 sz;
36 };
37 
38 __BEGIN_DECLS
39 
40 struct	roff;
41 struct	mdoc;
42 struct	man;
43 
44 void		 mandoc_msg(enum mandocerr, struct mparse *,
45 			int, int, const char *);
46 void		 mandoc_vmsg(enum mandocerr, struct mparse *,
47 			int, int, const char *, ...);
48 char		*mandoc_getarg(struct mparse *, char **, int, int *);
49 char		*mandoc_normdate(struct mparse *, char *, int, int);
50 int		 mandoc_eos(const char *, size_t);
51 int		 mandoc_strntoi(const char *, size_t, int);
52 const char	*mandoc_a2msec(const char*);
53 
54 void		 mdoc_free(struct mdoc *);
55 struct	mdoc	*mdoc_alloc(struct roff *, struct mparse *,
56 			const char *, int);
57 void		 mdoc_reset(struct mdoc *);
58 int		 mdoc_parseln(struct mdoc *, int, char *, int);
59 int		 mdoc_endparse(struct mdoc *);
60 int		 mdoc_addspan(struct mdoc *, const struct tbl_span *);
61 int		 mdoc_addeqn(struct mdoc *, const struct eqn *);
62 
63 void		 man_free(struct man *);
64 struct	man	*man_alloc(struct roff *, struct mparse *, int);
65 void		 man_reset(struct man *);
66 int		 man_parseln(struct man *, int, char *, int);
67 int		 man_endparse(struct man *);
68 int		 man_addspan(struct man *, const struct tbl_span *);
69 int		 man_addeqn(struct man *, const struct eqn *);
70 
71 int		 preconv_cue(const struct buf *, size_t);
72 int		 preconv_encode(struct buf *, size_t *,
73 			struct buf *, size_t *, int *);
74 
75 void		 roff_free(struct roff *);
76 struct roff	*roff_alloc(struct mparse *, const struct mchars *, int);
77 void		 roff_reset(struct roff *);
78 enum rofferr	 roff_parseln(struct roff *, int, struct buf *, int *);
79 void		 roff_endparse(struct roff *);
80 void		 roff_setreg(struct roff *, const char *, int, char sign);
81 int		 roff_getreg(const struct roff *, const char *);
82 char		*roff_strdup(const struct roff *, const char *);
83 int		 roff_getcontrol(const struct roff *,
84 			const char *, int *);
85 int		 roff_getformat(const struct roff *);
86 
87 const struct tbl_span	*roff_span(const struct roff *);
88 const struct eqn	*roff_eqn(const struct roff *);
89 
90 __END_DECLS
91 
92 #endif /*!LIBMANDOC_H*/
93