xref: /dragonfly/contrib/mdocml/libmdoc.h (revision 25a2db75)
1 /*	$Id: libmdoc.h,v 1.78 2011/12/02 01:37:14 schwarze Exp $ */
2 /*
3  * Copyright (c) 2008, 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 LIBMDOC_H
18 #define LIBMDOC_H
19 
20 enum	mdoc_next {
21 	MDOC_NEXT_SIBLING = 0,
22 	MDOC_NEXT_CHILD
23 };
24 
25 struct	mdoc {
26 	struct mparse	 *parse; /* parse pointer */
27 	int		  flags; /* parse flags */
28 #define	MDOC_HALT	 (1 << 0) /* error in parse: halt */
29 #define	MDOC_LITERAL	 (1 << 1) /* in a literal scope */
30 #define	MDOC_PBODY	 (1 << 2) /* in the document body */
31 #define	MDOC_NEWLINE	 (1 << 3) /* first macro/text in a line */
32 #define	MDOC_PHRASELIT	 (1 << 4) /* literal within a partila phrase */
33 #define	MDOC_PPHRASE	 (1 << 5) /* within a partial phrase */
34 #define	MDOC_FREECOL	 (1 << 6) /* `It' invocation should close */
35 #define	MDOC_SYNOPSIS	 (1 << 7) /* SYNOPSIS-style formatting */
36 	enum mdoc_next	  next; /* where to put the next node */
37 	struct mdoc_node *last; /* the last node parsed */
38 	struct mdoc_node *first; /* the first node parsed */
39 	struct mdoc_meta  meta; /* document meta-data */
40 	enum mdoc_sec	  lastnamed;
41 	enum mdoc_sec	  lastsec;
42 	struct roff	 *roff;
43 };
44 
45 #define	MACRO_PROT_ARGS	struct mdoc *m, \
46 			enum mdoct tok, \
47 			int line, \
48 			int ppos, \
49 			int *pos, \
50 			char *buf
51 
52 struct	mdoc_macro {
53 	int		(*fp)(MACRO_PROT_ARGS);
54 	int		  flags;
55 #define	MDOC_CALLABLE	 (1 << 0)
56 #define	MDOC_PARSED	 (1 << 1)
57 #define	MDOC_EXPLICIT	 (1 << 2)
58 #define	MDOC_PROLOGUE	 (1 << 3)
59 #define	MDOC_IGNDELIM	 (1 << 4)
60 	/* Reserved words in arguments treated as text. */
61 };
62 
63 enum	margserr {
64 	ARGS_ERROR,
65 	ARGS_EOLN, /* end-of-line */
66 	ARGS_WORD, /* normal word */
67 	ARGS_PUNCT, /* series of punctuation */
68 	ARGS_QWORD, /* quoted word */
69 	ARGS_PHRASE, /* Ta'd phrase (-column) */
70 	ARGS_PPHRASE, /* tabbed phrase (-column) */
71 	ARGS_PEND /* last phrase (-column) */
72 };
73 
74 enum	margverr {
75 	ARGV_ERROR,
76 	ARGV_EOLN, /* end of line */
77 	ARGV_ARG, /* valid argument */
78 	ARGV_WORD /* normal word (or bad argument---same thing) */
79 };
80 
81 /*
82  * A punctuation delimiter is opening, closing, or "middle mark"
83  * punctuation.  These govern spacing.
84  * Opening punctuation (e.g., the opening parenthesis) suppresses the
85  * following space; closing punctuation (e.g., the closing parenthesis)
86  * suppresses the leading space; middle punctuation (e.g., the vertical
87  * bar) can do either.  The middle punctuation delimiter bends the rules
88  * depending on usage.
89  */
90 enum	mdelim {
91 	DELIM_NONE = 0,
92 	DELIM_OPEN,
93 	DELIM_MIDDLE,
94 	DELIM_CLOSE,
95 	DELIM_MAX
96 };
97 
98 extern	const struct mdoc_macro *const mdoc_macros;
99 
100 __BEGIN_DECLS
101 
102 #define		  mdoc_pmsg(m, l, p, t) \
103 		  mandoc_msg((t), (m)->parse, (l), (p), NULL)
104 #define		  mdoc_nmsg(m, n, t) \
105 		  mandoc_msg((t), (m)->parse, (n)->line, (n)->pos, NULL)
106 int		  mdoc_macro(MACRO_PROT_ARGS);
107 int		  mdoc_word_alloc(struct mdoc *,
108 			int, int, const char *);
109 int		  mdoc_elem_alloc(struct mdoc *, int, int,
110 			enum mdoct, struct mdoc_arg *);
111 int		  mdoc_block_alloc(struct mdoc *, int, int,
112 			enum mdoct, struct mdoc_arg *);
113 int		  mdoc_head_alloc(struct mdoc *, int, int, enum mdoct);
114 int		  mdoc_tail_alloc(struct mdoc *, int, int, enum mdoct);
115 int		  mdoc_body_alloc(struct mdoc *, int, int, enum mdoct);
116 int		  mdoc_endbody_alloc(struct mdoc *m, int line, int pos,
117 			enum mdoct tok, struct mdoc_node *body,
118 			enum mdoc_endbody end);
119 void		  mdoc_node_delete(struct mdoc *, struct mdoc_node *);
120 void		  mdoc_hash_init(void);
121 enum mdoct	  mdoc_hash_find(const char *);
122 const char	 *mdoc_a2att(const char *);
123 const char	 *mdoc_a2lib(const char *);
124 const char	 *mdoc_a2st(const char *);
125 const char	 *mdoc_a2arch(const char *);
126 const char	 *mdoc_a2vol(const char *);
127 int		  mdoc_valid_pre(struct mdoc *, struct mdoc_node *);
128 int		  mdoc_valid_post(struct mdoc *);
129 enum margverr	  mdoc_argv(struct mdoc *, int, enum mdoct,
130 			struct mdoc_arg **, int *, char *);
131 void		  mdoc_argv_free(struct mdoc_arg *);
132 enum margserr	  mdoc_args(struct mdoc *, int,
133 			int *, char *, enum mdoct, char **);
134 enum margserr	  mdoc_zargs(struct mdoc *, int,
135 			int *, char *, char **);
136 int		  mdoc_macroend(struct mdoc *);
137 enum mdelim	  mdoc_isdelim(const char *);
138 
139 __END_DECLS
140 
141 #endif /*!LIBMDOC_H*/
142