freebsd-skq/eqn_html.c

82 lines
1.9 KiB
C
Raw Normal View History

/* $Id: eqn_html.c,v 1.2 2011/07/24 10:09:03 kristaps Exp $ */
/*
* Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "mandoc.h"
#include "out.h"
#include "html.h"
static const enum htmltag fontmap[EQNFONT__MAX] = {
TAG_SPAN, /* EQNFONT_NONE */
TAG_SPAN, /* EQNFONT_ROMAN */
TAG_B, /* EQNFONT_BOLD */
TAG_B, /* EQNFONT_FAT */
TAG_I /* EQNFONT_ITALIC */
};
static void eqn_box(struct html *, const struct eqn_box *);
void
print_eqn(struct html *p, const struct eqn *ep)
{
struct htmlpair tag;
struct tag *t;
PAIR_CLASS_INIT(&tag, "eqn");
t = print_otag(p, TAG_SPAN, 1, &tag);
p->flags |= HTML_NONOSPACE;
eqn_box(p, ep->root);
p->flags &= ~HTML_NONOSPACE;
print_tagq(p, t);
}
static void
eqn_box(struct html *p, const struct eqn_box *bp)
{
struct tag *t;
t = EQNFONT_NONE == bp->font ? NULL :
print_otag(p, fontmap[(int)bp->font], 0, NULL);
if (bp->left)
print_text(p, bp->left);
if (bp->text)
print_text(p, bp->text);
if (bp->first)
eqn_box(p, bp->first);
if (NULL != t)
print_tagq(p, t);
if (bp->right)
print_text(p, bp->right);
if (bp->next)
eqn_box(p, bp->next);
}