private.h

   1 /* $Id: private.h,v 1.84 2009/02/28 13:47:36 kristaps Exp $ */
   2 /*
   3  * Copyright (c) 2008 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
   7  * above copyright notice and this permission notice appear in all
   8  * copies.
   9  *
  10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
  11  * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
  12  * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
  13  * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
  14  * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
  15  * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
  16  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  17  * PERFORMANCE OF THIS SOFTWARE.
  18  */
  19 #ifndef PRIVATE_H
  20 #define PRIVATE_H
  21
  22 #include "mdoc.h"
  23
  24 enum    mdoc_next {
  25         MDOC_NEXT_SIBLING = 0,
  26         MDOC_NEXT_CHILD
  27 };
  28
  29 struct  mdoc {
  30         void             *data;
  31         struct mdoc_cb    cb;
  32         void             *htab;
  33         int               linetok;
  34         int               flags;
  35 #define MDOC_HALT        (1 << 0)
  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
  45 /* Hard-limit of macro arguments. */
  46
  47 #define MDOC_LINEARG_MAX 9
  48
  49 /* Suggested limit of macro arguments. */
  50
  51 #define MDOC_LINEARG_SOFTMAX 9
  52
  53 #define MACRO_PROT_ARGS struct mdoc *mdoc, int tok, int line, \
  54                         int ppos, int *pos, char *buf
  55
  56 struct  mdoc_macro {
  57         int             (*fp)(MACRO_PROT_ARGS);
  58         int               flags;
  59 #define MDOC_CALLABLE    (1 << 0)
  60 #define MDOC_PARSED      (1 << 1)
  61 #define MDOC_EXPLICIT    (1 << 2)
  62 #define MDOC_PROLOGUE    (1 << 3)
  63 };
  64
  65 #define mdoc_nwarn(mdoc, node, type, fmt, ...) \
  66                   mdoc_vwarn((mdoc), (node)->line, \
  67                   (node)->pos, (type), (fmt), ##__VA_ARGS__)
  68
  69 #define mdoc_nerr(mdoc, node, fmt, ...) \
  70                   mdoc_verr((mdoc), (node)->line, \
  71                   (node)->pos, (fmt), ##__VA_ARGS__)
  72
  73 #define mdoc_warn(mdoc, type, fmt, ...) \
  74                   mdoc_vwarn((mdoc), (mdoc)->last->line, \
  75                   (mdoc)->last->pos, (type), (fmt), ##__VA_ARGS__)
  76
  77 #define mdoc_err(mdoc, fmt, ...) \
  78                   mdoc_verr((mdoc), (mdoc)->last->line, \
  79                   (mdoc)->last->pos, (fmt), ##__VA_ARGS__)
  80
  81 #define mdoc_msg(mdoc, fmt, ...) \
  82                   mdoc_vmsg((mdoc), (mdoc)->last->line, \
  83                   (mdoc)->last->pos, (fmt), ##__VA_ARGS__)
  84
  85 #define mdoc_pmsg(mdoc, line, pos, fmt, ...) \
  86                   mdoc_vmsg((mdoc), (line), \
  87                   (pos), (fmt), ##__VA_ARGS__)
  88
  89 #define mdoc_pwarn(mdoc, line, pos, type, fmt, ...) \
  90                   mdoc_vwarn((mdoc), (line), \
  91                   (pos), (type), (fmt), ##__VA_ARGS__)
  92
  93 #define mdoc_perr(mdoc, line, pos, fmt, ...) \
  94                   mdoc_verr((mdoc), (line), \
  95                   (pos), (fmt), ##__VA_ARGS__)
  96
  97 extern  const struct mdoc_macro *const mdoc_macros;
  98
  99 __BEGIN_DECLS
 100
 101 int               mdoc_vwarn(struct mdoc *, int, int,
 102                         enum mdoc_warn, const char *, ...);
 103 void              mdoc_vmsg(struct mdoc *, int, int,
 104                         const char *, ...);
 105 int               mdoc_verr(struct mdoc *, int, int,
 106                         const char *, ...);
 107
 108 int               mdoc_macro(MACRO_PROT_ARGS);
 109 int               mdoc_find(const struct mdoc *, const char *);
 110 int               mdoc_word_alloc(struct mdoc *,
 111                         int, int, const char *);
 112 int               mdoc_elem_alloc(struct mdoc *, int, int,
 113                         int, size_t, const struct mdoc_arg *);
 114 int               mdoc_block_alloc(struct mdoc *, int, int,
 115                         int, size_t, const struct mdoc_arg *);
 116 int               mdoc_root_alloc(struct mdoc *);
 117 int               mdoc_head_alloc(struct mdoc *, int, int, int);
 118 int               mdoc_tail_alloc(struct mdoc *, int, int, int);
 119 int               mdoc_body_alloc(struct mdoc *, int, int, int);
 120 void              mdoc_node_free(struct mdoc_node *);
 121 void              mdoc_node_freelist(struct mdoc_node *);
 122 void              mdoc_sibling(struct mdoc *, int, struct mdoc_node **,
 123                         struct mdoc_node **, struct mdoc_node *);
 124 void             *mdoc_tokhash_alloc(void);
 125 int               mdoc_tokhash_find(const void *, const char *);
 126 void              mdoc_tokhash_free(void *);
 127 int               mdoc_iscdelim(char);
 128 size_t            mdoc_isescape(const char *);
 129 enum    mdoc_sec  mdoc_atosec(const char *);
 130 enum    mdoc_msec mdoc_atomsec(const char *);
 131 enum    mdoc_vol  mdoc_atovol(const char *);
 132 enum    mdoc_arch mdoc_atoarch(const char *);
 133 time_t            mdoc_atotime(const char *);
 134 size_t            mdoc_macro2len(int);
 135
 136 char             *mdoc_type2a(enum mdoc_type);
 137 char             *mdoc_node2a(struct mdoc_node *);
 138
 139 int               mdoc_valid_pre(struct mdoc *,
 140                         const struct mdoc_node *);
 141 int               mdoc_valid_post(struct mdoc *);
 142 int               mdoc_action_pre(struct mdoc *, struct mdoc_node *);
 143 int               mdoc_action_post(struct mdoc *);
 144
 145 int               mdoc_argv(struct mdoc *, int, int,
 146                         struct mdoc_arg *, int *, char *);
 147 #define ARGV_ERROR      (-1)
 148 #define ARGV_EOLN       (0)
 149 #define ARGV_ARG        (1)
 150 #define ARGV_WORD       (2)
 151 void              mdoc_argv_free(int, struct mdoc_arg *);
 152 int               mdoc_args(struct mdoc *, int,
 153                         int *, char *, int, char **);
 154 #define ARGS_ERROR      (-1)
 155 #define ARGS_EOLN       (0)
 156 #define ARGS_WORD       (1)
 157 #define ARGS_PUNCT      (2)
 158 #define ARGS_QWORD      (3)
 159 #define ARGS_PHRASE     (4)
 160
 161 int               xstrlcats(char *, const struct mdoc_node *, size_t);
 162 int               xstrlcat(char *, const char *, size_t);
 163 int               xstrlcpy(char *, const char *, size_t);
 164 int               xstrcmp(const char *, const char *);
 165 int               xstrncmp(const char *, const char *, size_t);
 166 void             *xcalloc(size_t, size_t);
 167 void             *xrealloc(void *, size_t);
 168 char             *xstrdup(const char *);
 169
 170 int               macro_end(struct mdoc *);
 171
 172 __END_DECLS
 173
 174 #endif /*!PRIVATE_H*/