libman.h

   1 /*      $Id: libman.h,v 1.64 2014/11/03 23:18:39 schwarze Exp $ */
   2 /*
   3  * Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
   4  * Copyright (c) 2014 Ingo Schwarze <schwarze@openbsd.org>
   5  *
   6  * Permission to use, copy, modify, and distribute this software for any
   7  * purpose with or without fee is hereby granted, provided that the above
   8  * copyright notice and this permission notice appear in all copies.
   9  *
  10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  15  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  16  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  17  */
  18 #ifndef LIBMAN_H
  19 #define LIBMAN_H
  20
  21 enum    man_next {
  22         MAN_NEXT_SIBLING = 0,
  23         MAN_NEXT_CHILD
  24 };
  25
  26 struct  man {
  27         struct mparse   *parse; /* parse pointer */
  28         int              quick; /* abort parse early */
  29         int              flags; /* parse flags */
  30 #define MAN_ELINE       (1 << 1) /* Next-line element scope. */
  31 #define MAN_BLINE       (1 << 2) /* Next-line block scope. */
  32 #define MAN_LITERAL     (1 << 4) /* Literal input. */
  33 #define MAN_NEWLINE     (1 << 6) /* first macro/text in a line */
  34         enum man_next    next; /* where to put the next node */
  35         struct man_node *last; /* the last parsed node */
  36         struct man_node *first; /* the first parsed node */
  37         struct man_meta  meta; /* document meta-data */
  38         struct roff     *roff;
  39 };
  40
  41 #define MACRO_PROT_ARGS   struct man *man, \
  42                           enum mant tok, \
  43                           int line, \
  44                           int ppos, \
  45                           int *pos, \
  46                           char *buf
  47
  48 struct  man_macro {
  49         int             (*fp)(MACRO_PROT_ARGS);
  50         int               flags;
  51 #define MAN_SCOPED       (1 << 0)
  52 #define MAN_EXPLICIT     (1 << 1)       /* See blk_imp(). */
  53 #define MAN_FSCOPED      (1 << 2)       /* See blk_imp(). */
  54 #define MAN_NSCOPED      (1 << 3)       /* See in_line_eoln(). */
  55 #define MAN_NOCLOSE      (1 << 4)       /* See blk_exp(). */
  56 #define MAN_BSCOPE       (1 << 5)       /* Break BLINE scope. */
  57 #define MAN_JOIN         (1 << 6)       /* Join arguments together. */
  58 };
  59
  60 extern  const struct man_macro *const man_macros;
  61
  62 __BEGIN_DECLS
  63
  64 int               man_word_alloc(struct man *, int, int, const char *);
  65 void              man_word_append(struct man *, const char *);
  66 int               man_block_alloc(struct man *, int, int, enum mant);
  67 int               man_head_alloc(struct man *, int, int, enum mant);
  68 int               man_tail_alloc(struct man *, int, int, enum mant);
  69 int               man_body_alloc(struct man *, int, int, enum mant);
  70 int               man_elem_alloc(struct man *, int, int, enum mant);
  71 void              man_node_delete(struct man *, struct man_node *);
  72 void              man_hash_init(void);
  73 enum mant         man_hash_find(const char *);
  74 int               man_macroend(struct man *);
  75 int               man_valid_post(struct man *);
  76 int               man_unscope(struct man *, const struct man_node *);
  77
  78 __END_DECLS
  79
  80 #endif /*!LIBMAN_H*/