libmdoc.h

   1 /*      $Id: libmdoc.h,v 1.17 2009/07/12 20:30:35 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         void             *htab;
  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         int               pflags;
  36         enum mdoc_next    next;
  37         struct mdoc_node *last;
  38         struct mdoc_node *first;
  39         struct mdoc_meta  meta;
  40         enum mdoc_sec     lastnamed;
  41         enum mdoc_sec     lastsec;
  42 };
  43
  44 enum    merr {
  45         ETAILWS = 0,
  46         ECOLEMPTY,
  47         EARGVPARM,
  48         EQUOTPARM,
  49         EQUOTTERM,
  50         EMALLOC,
  51         EARGVAL,
  52         ENOCALL,
  53         EBODYPROL,
  54         EPROLBODY,
  55         ETEXTPROL,
  56         ENOBLANK,
  57         ETOOLONG,
  58         EESCAPE,
  59         EPRINT,
  60         ENODAT,
  61         ENOPROLOGUE,
  62         ELINE,
  63         EATT,
  64         ENAME,
  65         ELISTTYPE,
  66         EDISPTYPE,
  67         EMULTIDISP,
  68         EMULTILIST,
  69         ESECNAME,
  70         ENAMESECINC,
  71         EARGREP,
  72         EBOOL,
  73         ECOLMIS,
  74         ENESTDISP,
  75         EMISSWIDTH,
  76         EWRONGMSEC,
  77         ESECOOO,
  78         ESECREP,
  79         EBADSTAND,
  80         ENOMULTILINE,
  81         EMULTILINE,
  82         ENOLINE,
  83         EPROLOOO,
  84         EPROLREP,
  85         EBADMSEC,
  86         EBADSEC,
  87         EFONT,
  88         EBADDATE,
  89         ENUMFMT,
  90         ENOWIDTH,
  91         EUTSNAME,
  92         EOBS,
  93         EMACPARM,
  94         EIMPBRK,
  95         EIGNE,
  96         EOPEN,
  97         EQUOTPHR,
  98         ENOCTX,
  99         ESPACE,
 100         MERRMAX
 101 };
 102
 103 #define MACRO_PROT_ARGS struct mdoc *mdoc, int tok, int line, \
 104                         int ppos, int *pos, char *buf
 105
 106 struct  mdoc_macro {
 107         int             (*fp)(MACRO_PROT_ARGS);
 108         int               flags;
 109 #define MDOC_CALLABLE    (1 << 0)
 110 #define MDOC_PARSED      (1 << 1)
 111 #define MDOC_EXPLICIT    (1 << 2)
 112 #define MDOC_PROLOGUE    (1 << 3)
 113 #define MDOC_IGNDELIM    (1 << 4)
 114         /* Reserved words in arguments treated as text. */
 115 };
 116
 117 extern  const struct mdoc_macro *const mdoc_macros;
 118
 119 __BEGIN_DECLS
 120
 121 #define           mdoc_perr(m, l, p, t) \
 122                   mdoc_err((m), (l), (p), 1, (t))
 123 #define           mdoc_pwarn(m, l, p, t) \
 124                   mdoc_err((m), (l), (p), 0, (t))
 125 #define           mdoc_nerr(m, n, t) \
 126                   mdoc_err((m), (n)->line, (n)->pos, 1, (t))
 127 #define           mdoc_nwarn(m, n, t) \
 128                   mdoc_err((m), (n)->line, (n)->pos, 0, (t))
 129
 130 int               mdoc_err(struct mdoc *, int, int, int, enum merr);
 131 int               mdoc_verr(struct mdoc *, int, int, const char *, ...);
 132 int               mdoc_vwarn(struct mdoc *, int, int, const char *, ...);
 133
 134 int               mdoc_macro(MACRO_PROT_ARGS);
 135 int               mdoc_word_alloc(struct mdoc *,
 136                         int, int, const char *);
 137 int               mdoc_elem_alloc(struct mdoc *, int, int,
 138                         int, struct mdoc_arg *);
 139 int               mdoc_block_alloc(struct mdoc *, int, int,
 140                         int, struct mdoc_arg *);
 141 int               mdoc_head_alloc(struct mdoc *, int, int, int);
 142 int               mdoc_tail_alloc(struct mdoc *, int, int, int);
 143 int               mdoc_body_alloc(struct mdoc *, int, int, int);
 144 void              mdoc_node_free(struct mdoc_node *);
 145 void              mdoc_node_freelist(struct mdoc_node *);
 146 void             *mdoc_hash_alloc(void);
 147 int               mdoc_hash_find(const void *, const char *);
 148 void              mdoc_hash_free(void *);
 149 int               mdoc_iscdelim(char);
 150 int               mdoc_isdelim(const char *);
 151 size_t            mdoc_isescape(const char *);
 152 enum    mdoc_sec  mdoc_atosec(const char *);
 153 time_t            mdoc_atotime(const char *);
 154
 155 size_t            mdoc_macro2len(int);
 156 const char       *mdoc_a2att(const char *);
 157 const char       *mdoc_a2st(const char *);
 158 const char       *mdoc_a2arch(const char *);
 159 const char       *mdoc_a2vol(const char *);
 160 const char       *mdoc_a2msec(const char *);
 161 int               mdoc_valid_pre(struct mdoc *,
 162                         const struct mdoc_node *);
 163 int               mdoc_valid_post(struct mdoc *);
 164 int               mdoc_action_pre(struct mdoc *,
 165                         const struct mdoc_node *);
 166 int               mdoc_action_post(struct mdoc *);
 167 int               mdoc_argv(struct mdoc *, int, int,
 168                         struct mdoc_arg **, int *, char *);
 169 #define ARGV_ERROR      (-1)
 170 #define ARGV_EOLN       (0)
 171 #define ARGV_ARG        (1)
 172 #define ARGV_WORD       (2)
 173 void              mdoc_argv_free(struct mdoc_arg *);
 174 int               mdoc_args(struct mdoc *, int,
 175                         int *, char *, int, char **);
 176 #define ARGS_ERROR      (-1)
 177 #define ARGS_EOLN       (0)
 178 #define ARGS_WORD       (1)
 179 #define ARGS_PUNCT      (2)
 180 #define ARGS_QWORD      (3)
 181 #define ARGS_PHRASE     (4)
 182
 183 int               mdoc_macroend(struct mdoc *);
 184
 185 __END_DECLS
 186
 187 #endif /*!LIBMDOC_H*/