1 /*      $Id: libmandoc.h,v 1.29 2011/12/02 01:37:14 schwarze Exp $ */
   2 /*
   3  * Copyright (c) 2009, 2010, 2011 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 LIBMANDOC_H
  18 #define LIBMANDOC_H
  19 
  20 enum    rofferr {
  21         ROFF_CONT, /* continue processing line */
  22         ROFF_RERUN, /* re-run roff interpreter with offset */
  23         ROFF_APPEND, /* re-run main parser, appending next line */
  24         ROFF_REPARSE, /* re-run main parser on the result */
  25         ROFF_SO, /* include another file */
  26         ROFF_IGN, /* ignore current line */
  27         ROFF_TBL, /* a table row was successfully parsed */
  28         ROFF_EQN, /* an equation was successfully parsed */
  29         ROFF_ERR /* badness: puke and stop */
  30 };
  31 
  32 enum    regs {
  33         REG_nS = 0, /* nS register */
  34         REG__MAX
  35 };
  36 
  37 __BEGIN_DECLS
  38 
  39 struct  roff;
  40 struct  mdoc;
  41 struct  man;
  42 
  43 void             mandoc_msg(enum mandocerr, struct mparse *, 
  44                         int, int, const char *);
  45 void             mandoc_vmsg(enum mandocerr, struct mparse *, 
  46                         int, int, const char *, ...);
  47 char            *mandoc_getarg(struct mparse *, char **, int, int *);
  48 char            *mandoc_normdate(struct mparse *, char *, int, int);
  49 int              mandoc_eos(const char *, size_t, int);
  50 int              mandoc_getcontrol(const char *, int *);
  51 int              mandoc_strntoi(const char *, size_t, int);
  52 const char      *mandoc_a2msec(const char*);
  53 
  54 void             mdoc_free(struct mdoc *);
  55 struct  mdoc    *mdoc_alloc(struct roff *, struct mparse *);
  56 void             mdoc_reset(struct mdoc *);
  57 int              mdoc_parseln(struct mdoc *, int, char *, int);
  58 int              mdoc_endparse(struct mdoc *);
  59 int              mdoc_addspan(struct mdoc *, const struct tbl_span *);
  60 int              mdoc_addeqn(struct mdoc *, const struct eqn *);
  61 
  62 void             man_free(struct man *);
  63 struct  man     *man_alloc(struct roff *, struct mparse *);
  64 void             man_reset(struct man *);
  65 int              man_parseln(struct man *, int, char *, int);
  66 int              man_endparse(struct man *);
  67 int              man_addspan(struct man *, const struct tbl_span *);
  68 int              man_addeqn(struct man *, const struct eqn *);
  69 
  70 void             roff_free(struct roff *);
  71 struct roff     *roff_alloc(struct mparse *);
  72 void             roff_reset(struct roff *);
  73 enum rofferr     roff_parseln(struct roff *, int, 
  74                         char **, size_t *, int, int *);
  75 void             roff_endparse(struct roff *);
  76 int              roff_regisset(const struct roff *, enum regs);
  77 unsigned int     roff_regget(const struct roff *, enum regs);
  78 void             roff_regunset(struct roff *, enum regs);
  79 char            *roff_strdup(const struct roff *, const char *);
  80 #if 0
  81 char             roff_eqndelim(const struct roff *);
  82 void             roff_openeqn(struct roff *, const char *, 
  83                         int, int, const char *);
  84 int              roff_closeeqn(struct roff *);
  85 #endif
  86 
  87 const struct tbl_span   *roff_span(const struct roff *);
  88 const struct eqn        *roff_eqn(const struct roff *);
  89 
  90 __END_DECLS
  91 
  92 #endif /*!LIBMANDOC_H*/