man.h

   1 /*      $Id: man.h,v 1.56 2011/03/22 09:48:13 kristaps Exp $ */
   2 /*
   3  * Copyright (c) 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 MAN_H
  18 #define MAN_H
  19
  20 /*
  21  * What follows is a list of ALL possible macros.
  22  */
  23 enum    mant {
  24         MAN_br = 0,
  25         MAN_TH,
  26         MAN_SH,
  27         MAN_SS,
  28         MAN_TP,
  29         MAN_LP,
  30         MAN_PP,
  31         MAN_P,
  32         MAN_IP,
  33         MAN_HP,
  34         MAN_SM,
  35         MAN_SB,
  36         MAN_BI,
  37         MAN_IB,
  38         MAN_BR,
  39         MAN_RB,
  40         MAN_R,
  41         MAN_B,
  42         MAN_I,
  43         MAN_IR,
  44         MAN_RI,
  45         MAN_na,
  46         MAN_sp,
  47         MAN_nf,
  48         MAN_fi,
  49         MAN_RE,
  50         MAN_RS,
  51         MAN_DT,
  52         MAN_UC,
  53         MAN_PD,
  54         MAN_AT,
  55         MAN_in,
  56         MAN_ft,
  57         MAN_MAX
  58 };
  59
  60 /*
  61  * Type of a syntax node.
  62  */
  63 enum    man_type {
  64         MAN_TEXT,
  65         MAN_ELEM,
  66         MAN_ROOT,
  67         MAN_BLOCK,
  68         MAN_HEAD,
  69         MAN_BODY,
  70         MAN_TBL,
  71         MAN_EQN
  72 };
  73
  74 /*
  75  * Information from prologue.
  76  */
  77 struct  man_meta {
  78         char            *msec; /* `TH' section (1, 3p, etc.) */
  79         char            *date; /* `TH' normalised date */
  80         char            *vol; /* `TH' volume */
  81         char            *title; /* `TH' title (e.g., FOO) */
  82         char            *source; /* `TH' source (e.g., GNU) */
  83 };
  84
  85 /*
  86  * Single node in tree-linked AST.
  87  */
  88 struct  man_node {
  89         struct man_node *parent; /* parent AST node */
  90         struct man_node *child; /* first child AST node */
  91         struct man_node *next; /* sibling AST node */
  92         struct man_node *prev; /* prior sibling AST node */
  93         int              nchild; /* number children */
  94         int              line;
  95         int              pos;
  96         enum mant        tok; /* tok or MAN__MAX if none */
  97         int              flags;
  98 #define MAN_VALID       (1 << 0) /* has been validated */
  99 #define MAN_EOS         (1 << 2) /* at sentence boundary */
 100 #define MAN_LINE        (1 << 3) /* first macro/text on line */
 101         enum man_type    type; /* AST node type */
 102         char            *string; /* TEXT node argument */
 103         struct man_node *head; /* BLOCK node HEAD ptr */
 104         struct man_node *body; /* BLOCK node BODY ptr */
 105         const struct tbl_span *span; /* TBL */
 106         const struct eqn *eqn; /* EQN */
 107 };
 108
 109 /*
 110  * Names of macros.  Index is enum mant.  Indexing into this returns
 111  * the normalised name, e.g., man_macronames[MAN_SH] -> "SH".
 112  */
 113 extern  const char *const *man_macronames;
 114
 115 __BEGIN_DECLS
 116
 117 struct  man;
 118
 119 const struct man_node *man_node(const struct man *);
 120 const struct man_meta *man_meta(const struct man *);
 121
 122 __END_DECLS
 123
 124 #endif /*!MAN_H*/