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      1 /* Id: tag.h,v 1.14 2020/04/18 20:40:10 schwarze Exp  */
      2 /*
      3  * Copyright (c) 2015, 2018, 2019, 2020 Ingo Schwarze <schwarze (at) openbsd.org>
      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  * Internal interfaces to tag syntax tree nodes.
     18  * For use by mandoc(1) validation modules only.
     19  */
     20 
     21 /*
     22  * Tagging priorities.
     23  * Lower numbers indicate higher importance.
     24  */
     25 #define	TAG_MANUAL	1		/* Set with a .Tg macro. */
     26 #define	TAG_STRONG	2		/* Good automatic tagging. */
     27 #define	TAG_WEAK	(INT_MAX - 2)	/* Dubious automatic tagging. */
     28 #define	TAG_FALLBACK	(INT_MAX - 1)	/* Tag only used if unique. */
     29 #define	TAG_DELETE	(INT_MAX)	/* Tag not used at all. */
     30 
     31 void		 tag_alloc(void);
     32 int		 tag_exists(const char *);
     33 void		 tag_put(const char *, int, struct roff_node *);
     34 void		 tag_postprocess(struct roff_man *, struct roff_node *);
     35 void		 tag_free(void);
     36