xref: /titanic_50/usr/src/cmd/mandoc/libman.h (revision 95c635efb7c3b86efc493e0447eaec7aecca3f0f)
1 /*	$Id: libman.h,v 1.55 2011/11/07 01:24:40 schwarze Exp $ */
2 /*
3  * Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
4  *
5  * Permission to use, copy, modify, and distribute this software for any
6  * purpose with or without fee is hereby granted, provided that the above
7  * copyright notice and this permission notice appear in all copies.
8  *
9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16  */
17 #ifndef LIBMAN_H
18 #define LIBMAN_H
19 
20 enum	man_next {
21 	MAN_NEXT_SIBLING = 0,
22 	MAN_NEXT_CHILD
23 };
24 
25 struct	man {
26 	struct mparse	*parse; /* parse pointer */
27 	int		 flags; /* parse flags */
28 #define	MAN_HALT	(1 << 0) /* badness happened: die */
29 #define	MAN_ELINE	(1 << 1) /* Next-line element scope. */
30 #define	MAN_BLINE	(1 << 2) /* Next-line block scope. */
31 #define	MAN_ILINE	(1 << 3) /* Ignored in next-line scope. */
32 #define	MAN_LITERAL	(1 << 4) /* Literal input. */
33 #define	MAN_BPLINE	(1 << 5)
34 #define	MAN_NEWLINE	(1 << 6) /* first macro/text in a line */
35 	enum man_next	 next; /* where to put the next node */
36 	struct man_node	*last; /* the last parsed node */
37 	struct man_node	*first; /* the first parsed node */
38 	struct man_meta	 meta; /* document meta-data */
39 	struct roff	*roff;
40 };
41 
42 #define	MACRO_PROT_ARGS	  struct man *m, \
43 			  enum mant tok, \
44 			  int line, \
45 			  int ppos, \
46 			  int *pos, \
47 			  char *buf
48 
49 struct	man_macro {
50 	int		(*fp)(MACRO_PROT_ARGS);
51 	int		  flags;
52 #define	MAN_SCOPED	 (1 << 0)
53 #define	MAN_EXPLICIT	 (1 << 1)	/* See blk_imp(). */
54 #define	MAN_FSCOPED	 (1 << 2)	/* See blk_imp(). */
55 #define	MAN_NSCOPED	 (1 << 3)	/* See in_line_eoln(). */
56 #define	MAN_NOCLOSE	 (1 << 4)	/* See blk_exp(). */
57 #define	MAN_BSCOPE	 (1 << 5)	/* Break BLINE scope. */
58 };
59 
60 extern	const struct man_macro *const man_macros;
61 
62 __BEGIN_DECLS
63 
64 #define		  man_pmsg(m, l, p, t) \
65 		  mandoc_msg((t), (m)->parse, (l), (p), NULL)
66 #define		  man_nmsg(m, n, t) \
67 		  mandoc_msg((t), (m)->parse, (n)->line, (n)->pos, NULL)
68 int		  man_word_alloc(struct man *, int, int, const char *);
69 int		  man_block_alloc(struct man *, int, int, enum mant);
70 int		  man_head_alloc(struct man *, int, int, enum mant);
71 int		  man_tail_alloc(struct man *, int, int, enum mant);
72 int		  man_body_alloc(struct man *, int, int, enum mant);
73 int		  man_elem_alloc(struct man *, int, int, enum mant);
74 void		  man_node_delete(struct man *, struct man_node *);
75 void		  man_hash_init(void);
76 enum mant	  man_hash_find(const char *);
77 int		  man_macroend(struct man *);
78 int		  man_valid_post(struct man *);
79 int		  man_valid_pre(struct man *, struct man_node *);
80 int		  man_unscope(struct man *,
81 			const struct man_node *, enum mandocerr);
82 
83 __END_DECLS
84 
85 #endif /*!LIBMAN_H*/
86