1 /*        Id: mdoc.h,v 1.146 2018/12/30 00:49:55 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 struct    roff_node;
20 struct    roff_man;
21 
22 enum      mdocargt {
23           MDOC_Split, /* -split */
24           MDOC_Nosplit, /* -nospli */
25           MDOC_Ragged, /* -ragged */
26           MDOC_Unfilled, /* -unfilled */
27           MDOC_Literal, /* -literal */
28           MDOC_File, /* -file */
29           MDOC_Offset, /* -offset */
30           MDOC_Bullet, /* -bullet */
31           MDOC_Dash, /* -dash */
32           MDOC_Hyphen, /* -hyphen */
33           MDOC_Item, /* -item */
34           MDOC_Enum, /* -enum */
35           MDOC_Tag, /* -tag */
36           MDOC_Diag, /* -diag */
37           MDOC_Hang, /* -hang */
38           MDOC_Ohang, /* -ohang */
39           MDOC_Inset, /* -inset */
40           MDOC_Column, /* -column */
41           MDOC_Width, /* -width */
42           MDOC_Compact, /* -compact */
43           MDOC_Std, /* -std */
44           MDOC_Filled, /* -filled */
45           MDOC_Words, /* -words */
46           MDOC_Emphasis, /* -emphasis */
47           MDOC_Symbolic, /* -symbolic */
48           MDOC_Nested, /* -nested */
49           MDOC_Centred, /* -centered */
50           MDOC_ARG_MAX
51 };
52 
53 /*
54  * An argument to a macro (multiple values = `-column xxx yyy').
55  */
56 struct    mdoc_argv {
57           enum mdocargt         arg; /* type of argument */
58           int                   line;
59           int                   pos;
60           size_t                sz; /* elements in "value" */
61           char                **value; /* argument strings */
62 };
63 
64 /*
65  * Reference-counted macro arguments.  These are refcounted because
66  * blocks have multiple instances of the same arguments spread across
67  * the HEAD, BODY, TAIL, and BLOCK node types.
68  */
69 struct    mdoc_arg {
70           size_t                argc;
71           struct mdoc_argv *argv;
72           unsigned int          refcnt;
73 };
74 
75 enum      mdoc_list {
76           LIST__NONE = 0,
77           LIST_bullet, /* -bullet */
78           LIST_column, /* -column */
79           LIST_dash, /* -dash */
80           LIST_diag, /* -diag */
81           LIST_enum, /* -enum */
82           LIST_hang, /* -hang */
83           LIST_hyphen, /* -hyphen */
84           LIST_inset, /* -inset */
85           LIST_item, /* -item */
86           LIST_ohang, /* -ohang */
87           LIST_tag, /* -tag */
88           LIST_MAX
89 };
90 
91 enum      mdoc_disp {
92           DISP__NONE = 0,
93           DISP_centered, /* -centered */
94           DISP_ragged, /* -ragged */
95           DISP_unfilled, /* -unfilled */
96           DISP_filled, /* -filled */
97           DISP_literal /* -literal */
98 };
99 
100 enum      mdoc_auth {
101           AUTH__NONE = 0,
102           AUTH_split, /* -split */
103           AUTH_nosplit /* -nosplit */
104 };
105 
106 enum      mdoc_font {
107           FONT__NONE = 0,
108           FONT_Em, /* Em, -emphasis */
109           FONT_Li, /* Li, -literal */
110           FONT_Sy /* Sy, -symbolic */
111 };
112 
113 struct    mdoc_bd {
114           const char           *offs; /* -offset */
115           enum mdoc_disp        type; /* -ragged, etc. */
116           int                   comp; /* -compact */
117 };
118 
119 struct    mdoc_bl {
120           const char           *width; /* -width */
121           const char           *offs; /* -offset */
122           enum mdoc_list        type; /* -tag, -enum, etc. */
123           int                   comp; /* -compact */
124           size_t                ncols; /* -column arg count */
125           const char          **cols; /* -column val ptr */
126           int                   count; /* -enum counter */
127 };
128 
129 struct    mdoc_bf {
130           enum mdoc_font        font; /* font */
131 };
132 
133 struct    mdoc_an {
134           enum mdoc_auth        auth; /* -split, etc. */
135 };
136 
137 struct    mdoc_rs {
138           int                   quote_T; /* whether to quote %T */
139 };
140 
141 /*
142  * Consists of normalised node arguments.  These should be used instead
143  * of iterating through the mdoc_arg pointers of a node: defaults are
144  * provided, etc.
145  */
146 union     mdoc_data {
147           struct mdoc_an        An;
148           struct mdoc_bd        Bd;
149           struct mdoc_bf        Bf;
150           struct mdoc_bl        Bl;
151           struct roff_node *Es;
152           struct mdoc_rs        Rs;
153 };
154 
155 /* Names of macro args.  Index is enum mdocargt. */
156 extern    const char *const *mdoc_argnames;
157 
158 void                 mdoc_validate(struct roff_man *);
159