libmdoc.h

   1 /*      $Id: libmdoc.h,v 1.117 2018/12/31 04:55:46 schwarze Exp $ */
   2 /*
   3  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
   4  * Copyright (c) 2013,2014,2015,2017,2018 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 AUTHORS DISCLAIM ALL WARRANTIES
  11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS 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
  19 struct  roff_node;
  20 struct  roff_man;
  21 struct  mdoc_arg;
  22
  23 #define MACRO_PROT_ARGS struct roff_man *mdoc, \
  24                         enum roff_tok tok, \
  25                         int line, \
  26                         int ppos, \
  27                         int *pos, \
  28                         char *buf
  29
  30 struct  mdoc_macro {
  31         void            (*fp)(MACRO_PROT_ARGS);
  32         int               flags;
  33 #define MDOC_CALLABLE    (1 << 0)
  34 #define MDOC_PARSED      (1 << 1)
  35 #define MDOC_EXPLICIT    (1 << 2)
  36 #define MDOC_PROLOGUE    (1 << 3)
  37 #define MDOC_IGNDELIM    (1 << 4)
  38 #define MDOC_JOIN        (1 << 5)
  39 };
  40
  41 enum    margserr {
  42         ARGS_ERROR,
  43         ARGS_EOLN, /* end-of-line */
  44         ARGS_WORD, /* normal word */
  45         ARGS_ALLOC, /* normal word from roff_getarg() */
  46         ARGS_PUNCT, /* series of punctuation */
  47         ARGS_PHRASE /* Bl -column phrase */
  48 };
  49
  50 /*
  51  * A punctuation delimiter is opening, closing, or "middle mark"
  52  * punctuation.  These govern spacing.
  53  * Opening punctuation (e.g., the opening parenthesis) suppresses the
  54  * following space; closing punctuation (e.g., the closing parenthesis)
  55  * suppresses the leading space; middle punctuation (e.g., the vertical
  56  * bar) can do either.  The middle punctuation delimiter bends the rules
  57  * depending on usage.
  58  */
  59 enum    mdelim {
  60         DELIM_NONE = 0,
  61         DELIM_OPEN,
  62         DELIM_MIDDLE,
  63         DELIM_CLOSE,
  64         DELIM_MAX
  65 };
  66
  67 const struct mdoc_macro *mdoc_macro(enum roff_tok);
  68
  69 void              mdoc_elem_alloc(struct roff_man *, int, int,
  70                         enum roff_tok, struct mdoc_arg *);
  71 struct roff_node *mdoc_block_alloc(struct roff_man *, int, int,
  72                         enum roff_tok, struct mdoc_arg *);
  73 void              mdoc_tail_alloc(struct roff_man *, int, int,
  74                         enum roff_tok);
  75 struct roff_node *mdoc_endbody_alloc(struct roff_man *, int, int,
  76                         enum roff_tok, struct roff_node *);
  77 void              mdoc_state(struct roff_man *, struct roff_node *);
  78 const char       *mdoc_a2arch(const char *);
  79 const char       *mdoc_a2att(const char *);
  80 const char       *mdoc_a2lib(const char *);
  81 enum roff_sec     mdoc_a2sec(const char *);
  82 const char       *mdoc_a2st(const char *);
  83 void              mdoc_argv(struct roff_man *, int, enum roff_tok,
  84                         struct mdoc_arg **, int *, char *);
  85 enum margserr     mdoc_args(struct roff_man *, int,
  86                         int *, char *, enum roff_tok, char **);
  87 enum mdelim       mdoc_isdelim(const char *);