xref: /freebsd/contrib/mandoc/mdoc.h (revision 405c3050f102b8c74782f0366c8ead927bd07b68)
1 /*	$Id: mdoc.h,v 1.145 2017/04/24 23:06:18 schwarze Exp $ */
2 /*
3  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
4  * Copyright (c) 2014, 2015 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 enum	mdocargt {
20 	MDOC_Split, /* -split */
21 	MDOC_Nosplit, /* -nospli */
22 	MDOC_Ragged, /* -ragged */
23 	MDOC_Unfilled, /* -unfilled */
24 	MDOC_Literal, /* -literal */
25 	MDOC_File, /* -file */
26 	MDOC_Offset, /* -offset */
27 	MDOC_Bullet, /* -bullet */
28 	MDOC_Dash, /* -dash */
29 	MDOC_Hyphen, /* -hyphen */
30 	MDOC_Item, /* -item */
31 	MDOC_Enum, /* -enum */
32 	MDOC_Tag, /* -tag */
33 	MDOC_Diag, /* -diag */
34 	MDOC_Hang, /* -hang */
35 	MDOC_Ohang, /* -ohang */
36 	MDOC_Inset, /* -inset */
37 	MDOC_Column, /* -column */
38 	MDOC_Width, /* -width */
39 	MDOC_Compact, /* -compact */
40 	MDOC_Std, /* -std */
41 	MDOC_Filled, /* -filled */
42 	MDOC_Words, /* -words */
43 	MDOC_Emphasis, /* -emphasis */
44 	MDOC_Symbolic, /* -symbolic */
45 	MDOC_Nested, /* -nested */
46 	MDOC_Centred, /* -centered */
47 	MDOC_ARG_MAX
48 };
49 
50 /*
51  * An argument to a macro (multiple values = `-column xxx yyy').
52  */
53 struct	mdoc_argv {
54 	enum mdocargt	  arg; /* type of argument */
55 	int		  line;
56 	int		  pos;
57 	size_t		  sz; /* elements in "value" */
58 	char		**value; /* argument strings */
59 };
60 
61 /*
62  * Reference-counted macro arguments.  These are refcounted because
63  * blocks have multiple instances of the same arguments spread across
64  * the HEAD, BODY, TAIL, and BLOCK node types.
65  */
66 struct	mdoc_arg {
67 	size_t		  argc;
68 	struct mdoc_argv *argv;
69 	unsigned int	  refcnt;
70 };
71 
72 enum	mdoc_list {
73 	LIST__NONE = 0,
74 	LIST_bullet, /* -bullet */
75 	LIST_column, /* -column */
76 	LIST_dash, /* -dash */
77 	LIST_diag, /* -diag */
78 	LIST_enum, /* -enum */
79 	LIST_hang, /* -hang */
80 	LIST_hyphen, /* -hyphen */
81 	LIST_inset, /* -inset */
82 	LIST_item, /* -item */
83 	LIST_ohang, /* -ohang */
84 	LIST_tag, /* -tag */
85 	LIST_MAX
86 };
87 
88 enum	mdoc_disp {
89 	DISP__NONE = 0,
90 	DISP_centered, /* -centered */
91 	DISP_ragged, /* -ragged */
92 	DISP_unfilled, /* -unfilled */
93 	DISP_filled, /* -filled */
94 	DISP_literal /* -literal */
95 };
96 
97 enum	mdoc_auth {
98 	AUTH__NONE = 0,
99 	AUTH_split, /* -split */
100 	AUTH_nosplit /* -nosplit */
101 };
102 
103 enum	mdoc_font {
104 	FONT__NONE = 0,
105 	FONT_Em, /* Em, -emphasis */
106 	FONT_Li, /* Li, -literal */
107 	FONT_Sy /* Sy, -symbolic */
108 };
109 
110 struct	mdoc_bd {
111 	const char	 *offs; /* -offset */
112 	enum mdoc_disp	  type; /* -ragged, etc. */
113 	int		  comp; /* -compact */
114 };
115 
116 struct	mdoc_bl {
117 	const char	 *width; /* -width */
118 	const char	 *offs; /* -offset */
119 	enum mdoc_list	  type; /* -tag, -enum, etc. */
120 	int		  comp; /* -compact */
121 	size_t		  ncols; /* -column arg count */
122 	const char	**cols; /* -column val ptr */
123 	int		  count; /* -enum counter */
124 };
125 
126 struct	mdoc_bf {
127 	enum mdoc_font	  font; /* font */
128 };
129 
130 struct	mdoc_an {
131 	enum mdoc_auth	  auth; /* -split, etc. */
132 };
133 
134 struct	mdoc_rs {
135 	int		  quote_T; /* whether to quote %T */
136 };
137 
138 /*
139  * Consists of normalised node arguments.  These should be used instead
140  * of iterating through the mdoc_arg pointers of a node: defaults are
141  * provided, etc.
142  */
143 union	mdoc_data {
144 	struct mdoc_an	  An;
145 	struct mdoc_bd	  Bd;
146 	struct mdoc_bf	  Bf;
147 	struct mdoc_bl	  Bl;
148 	struct roff_node *Es;
149 	struct mdoc_rs	  Rs;
150 };
151 
152 /* Names of macro args.  Index is enum mdocargt. */
153 extern	const char *const *mdoc_argnames;
154 
155 void		 mdoc_validate(struct roff_man *);
156