libman.h

   1 /*      $Id: libman.h,v 1.18 2009/08/19 12:15:58 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         void            *htab;
  31         int              pflags;
  32         int              flags;
  33 #define MAN_HALT        (1 << 0)
  34 #define MAN_ELINE       (1 << 1)        /* Next-line element scope. */
  35 #define MAN_BLINE       (1 << 2)        /* Next-line block scope. */
  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         WNMEM,
  45         WMSEC,
  46         WDATE,
  47         WLNSCOPE,
  48         WTSPACE,
  49         WTQUOTE,
  50         WNODATA,
  51         WNOTITLE,
  52         WESCAPE,
  53         WNUMFMT,
  54         WHEADARGS,
  55         WBODYARGS,
  56         WNHEADARGS,
  57         WMACRO,
  58         WMACROFORM,
  59         WEXITSCOPE,
  60         WNOSCOPE,
  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)
  72 };
  73
  74 extern  const struct man_macro *const man_macros;
  75
  76 __BEGIN_DECLS
  77
  78 #define           man_perr(m, l, p, t) \
  79                   man_err((m), (l), (p), 1, (t))
  80 #define           man_pwarn(m, l, p, t) \
  81                   man_err((m), (l), (p), 0, (t))
  82 #define           man_nerr(m, n, t) \
  83                   man_err((m), (n)->line, (n)->pos, 1, (t))
  84 #define           man_nwarn(m, n, t) \
  85                   man_err((m), (n)->line, (n)->pos, 0, (t))
  86
  87 int               man_word_alloc(struct man *, int, int, const char *);
  88 int               man_block_alloc(struct man *, int, int, int);
  89 int               man_head_alloc(struct man *, int, int, int);
  90 int               man_body_alloc(struct man *, int, int, int);
  91 int               man_elem_alloc(struct man *, int, int, int);
  92 void              man_node_free(struct man_node *);
  93 void              man_node_freelist(struct man_node *);
  94 void             *man_hash_alloc(void);
  95 int               man_hash_find(const void *, const char *);
  96 void              man_hash_free(void *);
  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_unscope(struct man *, const struct man_node *);
 110
 111 __END_DECLS
 112
 113 #endif /*!LIBMAN_H*/