libman.h

   1 /*      $Id: libman.h,v 1.42 2010/07/13 23:53:20 schwarze Exp $ */
   2 /*
   3  * Copyright (c) 2009, 2010 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 LIBMAN_H
  18 #define LIBMAN_H
  19
  20 #include "man.h"
  21
  22 enum    man_next {
  23         MAN_NEXT_SIBLING = 0,
  24         MAN_NEXT_CHILD
  25 };
  26
  27 struct  man {
  28         void            *data; /* private application data */
  29         mandocmsg        msg; /* output message handler */
  30         int              pflags; /* parse flags (see man.h) */
  31         int              flags; /* parse flags */
  32 #define MAN_HALT        (1 << 0) /* badness happened: die */
  33 #define MAN_ELINE       (1 << 1) /* Next-line element scope. */
  34 #define MAN_BLINE       (1 << 2) /* Next-line block scope. */
  35 #define MAN_ILINE       (1 << 3) /* Ignored in next-line scope. */
  36 #define MAN_LITERAL     (1 << 4) /* Literal input. */
  37 #define MAN_BPLINE      (1 << 5)
  38         enum man_next    next; /* where to put the next node */
  39         struct man_node *last; /* the last parsed node */
  40         struct man_node *first; /* the first parsed node */
  41         struct man_meta  meta; /* document meta-data */
  42         struct regset   *regs; /* registers */
  43 };
  44
  45 #define MACRO_PROT_ARGS   struct man *m, \
  46                           enum mant tok, \
  47                           int line, \
  48                           int ppos, \
  49                           int *pos, \
  50                           char *buf
  51
  52 struct  man_macro {
  53         int             (*fp)(MACRO_PROT_ARGS);
  54         int               flags;
  55 #define MAN_SCOPED       (1 << 0)
  56 #define MAN_EXPLICIT     (1 << 1)       /* See blk_imp(). */
  57 #define MAN_FSCOPED      (1 << 2)       /* See blk_imp(). */
  58 #define MAN_NSCOPED      (1 << 3)       /* See in_line_eoln(). */
  59 #define MAN_NOCLOSE      (1 << 4)       /* See blk_exp(). */
  60 };
  61
  62 extern  const struct man_macro *const man_macros;
  63
  64 __BEGIN_DECLS
  65
  66 #define           man_pmsg(m, l, p, t) \
  67                   (*(m)->msg)((t), (m)->data, (l), (p), NULL)
  68 #define           man_nmsg(m, n, t) \
  69                   (*(m)->msg)((t), (m)->data, (n)->line, (n)->pos, NULL)
  70 int               man_word_alloc(struct man *, int, int, const char *);
  71 int               man_block_alloc(struct man *, int, int, enum mant);
  72 int               man_head_alloc(struct man *, int, int, enum mant);
  73 int               man_body_alloc(struct man *, int, int, enum mant);
  74 int               man_elem_alloc(struct man *, int, int, enum mant);
  75 void              man_node_delete(struct man *, struct man_node *);
  76 void              man_hash_init(void);
  77 enum    mant      man_hash_find(const char *);
  78 int               man_macroend(struct man *);
  79 int               man_args(struct man *, int, int *, char *, char **);
  80 #define ARGS_ERROR      (-1)
  81 #define ARGS_EOLN       (0)
  82 #define ARGS_WORD       (1)
  83 #define ARGS_QWORD      (1)
  84 int               man_vmsg(struct man *, enum mandocerr,
  85                         int, int, const char *, ...);
  86 int               man_valid_post(struct man *);
  87 int               man_valid_pre(struct man *, struct man_node *);
  88 int               man_action_post(struct man *);
  89 int               man_action_pre(struct man *, struct man_node *);
  90 int               man_unscope(struct man *,
  91                         const struct man_node *, enum mandocerr);
  92
  93 __END_DECLS
  94
  95 #endif /*!LIBMAN_H*/