xref: /freebsd/contrib/mandoc/libmdoc.h (revision f3c5273d315a64826d2149ac453ff8c4583ddbe8)
1 /*	$Id: libmdoc.h,v 1.112 2017/05/30 16:22:03 schwarze Exp $ */
2 /*
3  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
4  * Copyright (c) 2013, 2014, 2015, 2017 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 AUTHORS DISCLAIM ALL WARRANTIES
11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS 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 #define	MACRO_PROT_ARGS	struct roff_man *mdoc, \
20 			enum roff_tok tok, \
21 			int line, \
22 			int ppos, \
23 			int *pos, \
24 			char *buf
25 
26 struct	mdoc_macro {
27 	void		(*fp)(MACRO_PROT_ARGS);
28 	int		  flags;
29 #define	MDOC_CALLABLE	 (1 << 0)
30 #define	MDOC_PARSED	 (1 << 1)
31 #define	MDOC_EXPLICIT	 (1 << 2)
32 #define	MDOC_PROLOGUE	 (1 << 3)
33 #define	MDOC_IGNDELIM	 (1 << 4)
34 #define	MDOC_JOIN	 (1 << 5)
35 };
36 
37 enum	margserr {
38 	ARGS_ERROR,
39 	ARGS_EOLN, /* end-of-line */
40 	ARGS_WORD, /* normal word */
41 	ARGS_PUNCT, /* series of punctuation */
42 	ARGS_PHRASE /* Bl -column phrase */
43 };
44 
45 /*
46  * A punctuation delimiter is opening, closing, or "middle mark"
47  * punctuation.  These govern spacing.
48  * Opening punctuation (e.g., the opening parenthesis) suppresses the
49  * following space; closing punctuation (e.g., the closing parenthesis)
50  * suppresses the leading space; middle punctuation (e.g., the vertical
51  * bar) can do either.  The middle punctuation delimiter bends the rules
52  * depending on usage.
53  */
54 enum	mdelim {
55 	DELIM_NONE = 0,
56 	DELIM_OPEN,
57 	DELIM_MIDDLE,
58 	DELIM_CLOSE,
59 	DELIM_MAX
60 };
61 
62 extern	const struct mdoc_macro *const mdoc_macros;
63 
64 
65 void		  mdoc_macro(MACRO_PROT_ARGS);
66 void		  mdoc_elem_alloc(struct roff_man *, int, int,
67 			enum roff_tok, struct mdoc_arg *);
68 struct roff_node *mdoc_block_alloc(struct roff_man *, int, int,
69 			enum roff_tok, struct mdoc_arg *);
70 void		  mdoc_tail_alloc(struct roff_man *, int, int,
71 			enum roff_tok);
72 struct roff_node *mdoc_endbody_alloc(struct roff_man *, int, int,
73 			enum roff_tok, struct roff_node *);
74 void		  mdoc_node_relink(struct roff_man *, struct roff_node *);
75 void		  mdoc_node_validate(struct roff_man *);
76 void		  mdoc_state(struct roff_man *, struct roff_node *);
77 void		  mdoc_state_reset(struct roff_man *);
78 const char	 *mdoc_a2arch(const char *);
79 const char	 *mdoc_a2att(const char *);
80 const char	 *mdoc_a2lib(const char *);
81 enum roff_sec	  mdoc_a2sec(const char *);
82 const char	 *mdoc_a2st(const char *);
83 void		  mdoc_argv(struct roff_man *, int, enum roff_tok,
84 			struct mdoc_arg **, int *, char *);
85 enum margserr	  mdoc_args(struct roff_man *, int,
86 			int *, char *, enum roff_tok, char **);
87 enum mdelim	  mdoc_isdelim(const char *);
88