external/bsd/mdocml/dist/libman.h

   1 /*      $Vendor-Id: libman.h,v 1.23 2009/10/30 05:58:36 kristaps Exp $ */
   2 /*
   3  * Copyright (c) 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 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;
  29         struct man_cb    cb;
  30         int              pflags;
  31         int              flags;
  32 #define MAN_HALT        (1 << 0)
  33 #define MAN_ELINE       (1 << 1)        /* Next-line element scope. */
  34 #define MAN_BLINE       (1 << 2)        /* Next-line block scope. */
  35 #define MAN_LITERAL     (1 << 3)        /* Literal input. */
  36         enum man_next    next;
  37         struct man_node *last;
  38         struct man_node *first;
  39         struct man_meta  meta;
  40 };
  41
  42 enum    merr {
  43         WNPRINT = 0,
  44         WMSEC,
  45         WDATE,
  46         WLNSCOPE,
  47         WTSPACE,
  48         WTQUOTE,
  49         WNODATA,
  50         WNOTITLE,
  51         WESCAPE,
  52         WNUMFMT,
  53         WHEADARGS,
  54         WBODYARGS,
  55         WNHEADARGS,
  56         WMACROFORM,
  57         WEXITSCOPE,
  58         WNOSCOPE,
  59         WOLITERAL,
  60         WNLITERAL,
  61         WERRMAX
  62 };
  63
  64 #define MACRO_PROT_ARGS   struct man *m, int tok, int line, \
  65                           int ppos, int *pos, char *buf
  66
  67 struct  man_macro {
  68         int             (*fp)(MACRO_PROT_ARGS);
  69         int               flags;
  70 #define MAN_SCOPED       (1 << 0)
  71 #define MAN_EXPLICIT     (1 << 1)       /* See blk_imp(). */
  72 #define MAN_FSCOPED      (1 << 2)       /* See blk_imp(). */
  73 };
  74
  75 extern  const struct man_macro *const man_macros;
  76
  77 __BEGIN_DECLS
  78
  79 #define           man_perr(m, l, p, t) \
  80                   man_err((m), (l), (p), 1, (t))
  81 #define           man_pwarn(m, l, p, t) \
  82                   man_err((m), (l), (p), 0, (t))
  83 #define           man_nerr(m, n, t) \
  84                   man_err((m), (n)->line, (n)->pos, 1, (t))
  85 #define           man_nwarn(m, n, t) \
  86                   man_err((m), (n)->line, (n)->pos, 0, (t))
  87
  88 int               man_word_alloc(struct man *, int, int, const char *);
  89 int               man_block_alloc(struct man *, int, int, int);
  90 int               man_head_alloc(struct man *, int, int, int);
  91 int               man_body_alloc(struct man *, int, int, int);
  92 int               man_elem_alloc(struct man *, int, int, int);
  93 void              man_node_free(struct man_node *);
  94 void              man_node_freelist(struct man_node *);
  95 void              man_hash_init(void);
  96 int               man_hash_find(const char *);
  97 int               man_macroend(struct man *);
  98 int               man_args(struct man *, int, int *, char *, char **);
  99 #define ARGS_ERROR      (-1)
 100 #define ARGS_EOLN       (0)
 101 #define ARGS_WORD       (1)
 102 #define ARGS_QWORD      (1)
 103 int               man_err(struct man *, int, int, int, enum merr);
 104 int               man_vwarn(struct man *, int, int, const char *, ...);
 105 int               man_verr(struct man *, int, int, const char *, ...);
 106 int               man_valid_post(struct man *);
 107 int               man_valid_pre(struct man *, const struct man_node *);
 108 int               man_action_post(struct man *);
 109 int               man_action_pre(struct man *, struct man_node *);
 110 int               man_unscope(struct man *, const struct man_node *);
 111
 112 __END_DECLS
 113
 114 #endif /*!LIBMAN_H*/