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/* $Id: eqn_term.c,v 1.4 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 "term.h"
static const enum termfont fontmap[EQNFONT__MAX] = {
TERMFONT_NONE, /* EQNFONT_NONE */
TERMFONT_NONE, /* EQNFONT_ROMAN */
TERMFONT_BOLD, /* EQNFONT_BOLD */
TERMFONT_BOLD, /* EQNFONT_FAT */
TERMFONT_UNDER /* EQNFONT_ITALIC */
};
static void eqn_box(struct termp *, const struct eqn_box *);
void
term_eqn(struct termp *p, const struct eqn *ep)
{
p->flags |= TERMP_NONOSPACE;
eqn_box(p, ep->root);
term_word(p, " ");
p->flags &= ~TERMP_NONOSPACE;
}
static void
eqn_box(struct termp *p, const struct eqn_box *bp)
{
if (EQNFONT_NONE != bp->font)
term_fontpush(p, fontmap[(int)bp->font]);
if (bp->left)
term_word(p, bp->left);
if (EQN_SUBEXPR == bp->type)
term_word(p, "(");
if (bp->text)
term_word(p, bp->text);
if (bp->first)
eqn_box(p, bp->first);
if (EQN_SUBEXPR == bp->type)
term_word(p, ")");
if (bp->right)
term_word(p, bp->right);
if (EQNFONT_NONE != bp->font)
term_fontpop(p);
if (bp->next)
eqn_box(p, bp->next);
}
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