libmdoc.h

   1 /*      $Id: libmdoc.h,v 1.54 2010/06/26 15:36:37 kristaps Exp $ */
   2 /*
   3  * Copyright (c) 2008, 2009 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 LIBMDOC_H
  18 #define LIBMDOC_H
  19
  20 #include "regs.h"
  21 #include "mdoc.h"
  22
  23 enum    mdoc_next {
  24         MDOC_NEXT_SIBLING = 0,
  25         MDOC_NEXT_CHILD
  26 };
  27
  28 struct  mdoc {
  29         void             *data;
  30         mandocmsg         msg;
  31         int               flags;
  32 #define MDOC_HALT        (1 << 0) /* error in parse: halt */
  33 #define MDOC_LITERAL     (1 << 1) /* in a literal scope */
  34 #define MDOC_PBODY       (1 << 2) /* in the document body */
  35 #define MDOC_NEWLINE     (1 << 3) /* first macro/text in a line */
  36 #define MDOC_PHRASELIT   (1 << 4) /* literal within a partila phrase */
  37 #define MDOC_PPHRASE     (1 << 5) /* within a partial phrase */
  38 #define MDOC_FREECOL     (1 << 6) /* `It' invocation should close */
  39         int               pflags;
  40         enum mdoc_next    next;
  41         struct mdoc_node *last;
  42         struct mdoc_node *first;
  43         struct mdoc_meta  meta;
  44         enum mdoc_sec     lastnamed;
  45         enum mdoc_sec     lastsec;
  46 };
  47
  48 #define MACRO_PROT_ARGS struct mdoc *m, enum mdoct tok, \
  49                         int line, int ppos, int *pos, char *buf
  50
  51 struct  mdoc_macro {
  52         int             (*fp)(MACRO_PROT_ARGS);
  53         int               flags;
  54 #define MDOC_CALLABLE    (1 << 0)
  55 #define MDOC_PARSED      (1 << 1)
  56 #define MDOC_EXPLICIT    (1 << 2)
  57 #define MDOC_PROLOGUE    (1 << 3)
  58 #define MDOC_IGNDELIM    (1 << 4)
  59         /* Reserved words in arguments treated as text. */
  60 };
  61
  62 enum    margserr {
  63         ARGS_ERROR,
  64         ARGS_EOLN,
  65         ARGS_WORD,
  66         ARGS_PUNCT,
  67         ARGS_QWORD,
  68         ARGS_PHRASE,
  69         ARGS_PPHRASE,
  70         ARGS_PEND
  71 };
  72
  73 enum    margverr {
  74         ARGV_ERROR,
  75         ARGV_EOLN,
  76         ARGV_ARG,
  77         ARGV_WORD
  78 };
  79
  80 enum    mdelim {
  81         DELIM_NONE = 0,
  82         DELIM_OPEN,
  83         DELIM_MIDDLE,
  84         DELIM_CLOSE
  85 };
  86
  87 extern  const struct mdoc_macro *const mdoc_macros;
  88
  89 __BEGIN_DECLS
  90
  91 #define           mdoc_pmsg(m, l, p, t) \
  92                   (*(m)->msg)((t), (m)->data, (l), (p), NULL)
  93 #define           mdoc_nmsg(m, n, t) \
  94                   (*(m)->msg)((t), (m)->data, (n)->line, (n)->pos, NULL)
  95 int               mdoc_vmsg(struct mdoc *, enum mandocerr,
  96                         int, int, const char *, ...);
  97 int               mdoc_macro(MACRO_PROT_ARGS);
  98 int               mdoc_word_alloc(struct mdoc *,
  99                         int, int, const char *);
 100 int               mdoc_elem_alloc(struct mdoc *, int, int,
 101                         enum mdoct, struct mdoc_arg *);
 102 int               mdoc_block_alloc(struct mdoc *, int, int,
 103                         enum mdoct, struct mdoc_arg *);
 104 int               mdoc_head_alloc(struct mdoc *, int, int, enum mdoct);
 105 int               mdoc_tail_alloc(struct mdoc *, int, int, enum mdoct);
 106 int               mdoc_body_alloc(struct mdoc *, int, int, enum mdoct);
 107 void              mdoc_node_delete(struct mdoc *, struct mdoc_node *);
 108 void              mdoc_hash_init(void);
 109 enum mdoct        mdoc_hash_find(const char *);
 110 enum mdelim       mdoc_iscdelim(char);
 111 enum mdelim       mdoc_isdelim(const char *);
 112 size_t            mdoc_isescape(const char *);
 113 enum    mdoc_sec  mdoc_str2sec(const char *);
 114 time_t            mdoc_atotime(const char *);
 115 size_t            mdoc_macro2len(enum mdoct);
 116 const char       *mdoc_a2att(const char *);
 117 const char       *mdoc_a2lib(const char *);
 118 const char       *mdoc_a2st(const char *);
 119 const char       *mdoc_a2arch(const char *);
 120 const char       *mdoc_a2vol(const char *);
 121 const char       *mdoc_a2msec(const char *);
 122 int               mdoc_valid_pre(struct mdoc *, struct mdoc_node *);
 123 int               mdoc_valid_post(struct mdoc *);
 124 int               mdoc_action_pre(struct mdoc *,
 125                         struct mdoc_node *);
 126 int               mdoc_action_post(struct mdoc *);
 127 enum margverr     mdoc_argv(struct mdoc *, int, enum mdoct,
 128                         struct mdoc_arg **, int *, char *);
 129 void              mdoc_argv_free(struct mdoc_arg *);
 130 void              mdoc_argn_free(struct mdoc_arg *, int);
 131 enum margserr     mdoc_args(struct mdoc *, int,
 132                         int *, char *, enum mdoct, char **);
 133 enum margserr     mdoc_zargs(struct mdoc *, int,
 134                         int *, char *, int, char **);
 135 #define ARGS_DELIM      (1 << 1)
 136 #define ARGS_TABSEP     (1 << 2)
 137 #define ARGS_NOWARN     (1 << 3)
 138
 139 int               mdoc_macroend(struct mdoc *);
 140
 141 __END_DECLS
 142
 143 #endif /*!LIBMDOC_H*/