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
30 static 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
39 static void eqn_box(struct html *, const struct eqn_box *);
40
41 void
print_eqn(struct html * p,const struct eqn * ep)42 print_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
57 static void
eqn_box(struct html * p,const struct eqn_box * bp)58 eqn_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