1/*	$Id: eqn_html.c,v 1.2 2011/07/24 10:09:03 kristaps Exp $ */
2/*
3 * Copyright (c) 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#ifdef HAVE_CONFIG_H
18#include "config.h"
19#endif
20
21#include <assert.h>
22#include <stdio.h>
23#include <stdlib.h>
24#include <string.h>
25
26#include "mandoc.h"
27#include "out.h"
28#include "html.h"
29
30static	const enum htmltag fontmap[EQNFONT__MAX] = {
31	TAG_SPAN, /* EQNFONT_NONE */
32	TAG_SPAN, /* EQNFONT_ROMAN */
33	TAG_B, /* EQNFONT_BOLD */
34	TAG_B, /* EQNFONT_FAT */
35	TAG_I /* EQNFONT_ITALIC */
36};
37
38
39static void	eqn_box(struct html *, const struct eqn_box *);
40
41void
42print_eqn(struct html *p, const struct eqn *ep)
43{
44	struct htmlpair	 tag;
45	struct tag	*t;
46
47	PAIR_CLASS_INIT(&tag, "eqn");
48	t = print_otag(p, TAG_SPAN, 1, &tag);
49
50	p->flags |= HTML_NONOSPACE;
51	eqn_box(p, ep->root);
52	p->flags &= ~HTML_NONOSPACE;
53
54	print_tagq(p, t);
55}
56
57static void
58eqn_box(struct html *p, const struct eqn_box *bp)
59{
60	struct tag	*t;
61
62	t = EQNFONT_NONE == bp->font ? NULL :
63		print_otag(p, fontmap[(int)bp->font], 0, NULL);
64
65	if (bp->left)
66		print_text(p, bp->left);
67
68	if (bp->text)
69		print_text(p, bp->text);
70
71	if (bp->first)
72		eqn_box(p, bp->first);
73
74	if (NULL != t)
75		print_tagq(p, t);
76	if (bp->right)
77		print_text(p, bp->right);
78
79	if (bp->next)
80		eqn_box(p, bp->next);
81}
82