mdoc.h

   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 *);