1 /* $OpenBSD: mdoc.h,v 1.71 2018/12/30 00:48:47 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