libmdoc.h

   1 /*      $Id: libmdoc.h,v 1.43 2010/05/14 12:55:22 kristaps Exp $ */
   2 /*
   3  * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
   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 "mdoc.h"
  21
  22 enum    mdoc_next {
  23         MDOC_NEXT_SIBLING = 0,
  24         MDOC_NEXT_CHILD
  25 };
  26
  27 struct  mdoc {
  28         void             *data;
  29         struct mdoc_cb    cb;
  30         int               flags;
  31 #define MDOC_HALT        (1 << 0) /* error in parse: halt */
  32 #define MDOC_LITERAL     (1 << 1) /* in a literal scope */
  33 #define MDOC_PBODY       (1 << 2) /* in the document body */
  34 #define MDOC_NEWLINE     (1 << 3) /* first macro/text in a line */
  35 #define MDOC_PHRASELIT   (1 << 4) /* in a literal within a phrase */
  36         int               pflags;
  37         enum mdoc_next    next;
  38         struct mdoc_node *last;
  39         struct mdoc_node *first;
  40         struct mdoc_meta  meta;
  41         enum mdoc_sec     lastnamed;
  42         enum mdoc_sec     lastsec;
  43 };
  44
  45 enum    merr {
  46         ETAILWS = 0,
  47         EQUOTPARM,
  48         EQUOTTERM,
  49         EARGVAL,
  50         EBODYPROL,
  51         EPROLBODY,
  52         ETEXTPROL,
  53         ENOBLANK,
  54         ETOOLONG,
  55         EESCAPE,
  56         EPRINT,
  57         ENODAT,
  58         ENOPROLOGUE,
  59         ELINE,
  60         EATT,
  61         ENAME,
  62         ELISTTYPE,
  63         EDISPTYPE,
  64         EMULTIDISP,
  65         EMULTILIST,
  66         ESECNAME,
  67         ENAMESECINC,
  68         EARGREP,
  69         EBOOL,
  70         ECOLMIS,
  71         ENESTDISP,
  72         EMISSWIDTH,
  73         EWRONGMSEC,
  74         ESECOOO,
  75         ESECREP,
  76         EBADSTAND,
  77         ENOMULTILINE,
  78         EMULTILINE,
  79         ENOLINE,
  80         EPROLOOO,
  81         EPROLREP,
  82         EBADMSEC,
  83         EBADSEC,
  84         EFONT,
  85         EBADDATE,
  86         ENUMFMT,
  87         ENOWIDTH,
  88         EUTSNAME,
  89         EOBS,
  90         EIMPBRK,
  91         EIGNE,
  92         EOPEN,
  93         EQUOTPHR,
  94         ENOCTX,
  95         ELIB,
  96         EBADCHILD,
  97         ENOTYPE,
  98         EBADCOMMENT,
  99         MERRMAX
 100 };
 101
 102 #define MACRO_PROT_ARGS struct mdoc *m, enum mdoct tok, \
 103                         int line, int ppos, int *pos, char *buf
 104
 105 struct  mdoc_macro {
 106         int             (*fp)(MACRO_PROT_ARGS);
 107         int               flags;
 108 #define MDOC_CALLABLE    (1 << 0)
 109 #define MDOC_PARSED      (1 << 1)
 110 #define MDOC_EXPLICIT    (1 << 2)
 111 #define MDOC_PROLOGUE    (1 << 3)
 112 #define MDOC_IGNDELIM    (1 << 4)
 113         /* Reserved words in arguments treated as text. */
 114 };
 115
 116 enum    margserr {
 117         ARGS_ERROR,
 118         ARGS_EOLN,
 119         ARGS_WORD,
 120         ARGS_PUNCT,
 121         ARGS_QWORD,
 122         ARGS_PHRASE,
 123         ARGS_PPHRASE,
 124         ARGS_PEND
 125 };
 126
 127 enum    margverr {
 128         ARGV_ERROR,
 129         ARGV_EOLN,
 130         ARGV_ARG,
 131         ARGV_WORD
 132 };
 133
 134 extern  const struct mdoc_macro *const mdoc_macros;
 135
 136 __BEGIN_DECLS
 137
 138 #define           mdoc_perr(m, l, p, t) \
 139                   mdoc_err((m), (l), (p), 1, (t))
 140 #define           mdoc_pwarn(m, l, p, t) \
 141                   mdoc_err((m), (l), (p), 0, (t))
 142 #define           mdoc_nerr(m, n, t) \
 143                   mdoc_err((m), (n)->line, (n)->pos, 1, (t))
 144 #define           mdoc_nwarn(m, n, t) \
 145                   mdoc_err((m), (n)->line, (n)->pos, 0, (t))
 146
 147 int               mdoc_err(struct mdoc *, int, int, int, enum merr);
 148 int               mdoc_verr(struct mdoc *, int, int, const char *, ...);
 149 int               mdoc_vwarn(struct mdoc *, int, int, const char *, ...);
 150
 151 int               mdoc_macro(MACRO_PROT_ARGS);
 152 int               mdoc_word_alloc(struct mdoc *,
 153                         int, int, const char *);
 154 int               mdoc_elem_alloc(struct mdoc *, int, int,
 155                         enum mdoct, struct mdoc_arg *);
 156 int               mdoc_block_alloc(struct mdoc *, int, int,
 157                         enum mdoct, struct mdoc_arg *);
 158 int               mdoc_head_alloc(struct mdoc *, int, int, enum mdoct);
 159 int               mdoc_tail_alloc(struct mdoc *, int, int, enum mdoct);
 160 int               mdoc_body_alloc(struct mdoc *, int, int, enum mdoct);
 161 void              mdoc_node_delete(struct mdoc *, struct mdoc_node *);
 162 void              mdoc_hash_init(void);
 163 enum mdoct        mdoc_hash_find(const char *);
 164 int               mdoc_iscdelim(char);
 165 int               mdoc_isdelim(const char *);
 166 size_t            mdoc_isescape(const char *);
 167 enum    mdoc_sec  mdoc_str2sec(const char *);
 168 time_t            mdoc_atotime(const char *);
 169 size_t            mdoc_macro2len(enum mdoct);
 170 const char       *mdoc_a2att(const char *);
 171 const char       *mdoc_a2lib(const char *);
 172 const char       *mdoc_a2st(const char *);
 173 const char       *mdoc_a2arch(const char *);
 174 const char       *mdoc_a2vol(const char *);
 175 const char       *mdoc_a2msec(const char *);
 176 int               mdoc_valid_pre(struct mdoc *,
 177                         const struct mdoc_node *);
 178 int               mdoc_valid_post(struct mdoc *);
 179 int               mdoc_action_pre(struct mdoc *,
 180                         const struct mdoc_node *);
 181 int               mdoc_action_post(struct mdoc *);
 182 enum margverr     mdoc_argv(struct mdoc *, int, enum mdoct,
 183                         struct mdoc_arg **, int *, char *);
 184 void              mdoc_argv_free(struct mdoc_arg *);
 185 void              mdoc_argn_free(struct mdoc_arg *, int);
 186 enum margserr     mdoc_args(struct mdoc *, int,
 187                         int *, char *, enum mdoct, char **);
 188 enum margserr     mdoc_zargs(struct mdoc *, int,
 189                         int *, char *, int, char **);
 190 #define ARGS_DELIM      (1 << 1)
 191 #define ARGS_TABSEP     (1 << 2)
 192 #define ARGS_NOWARN     (1 << 3)
 193 #define ARGS_PPHRASED   (1 << 4)
 194
 195 int               mdoc_macroend(struct mdoc *);
 196
 197 __END_DECLS
 198
 199 #endif /*!LIBMDOC_H*/