eqn_term.c revision 95c635efb7c3b86efc493e0447eaec7aecca3f0f
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore/* $Id: eqn_term.c,v 1.4 2011/07/24 10:09:03 kristaps Exp $ */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore/*
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv>
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore *
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * Permission to use, copy, modify, and distribute this software for any
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * purpose with or without fee is hereby granted, provided that the above
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * copyright notice and this permission notice appear in all copies.
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore *
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore#ifdef HAVE_CONFIG_H
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore#include "config.h"
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore#endif
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore#include <assert.h>
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore#include <stdio.h>
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore#include <stdlib.h>
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore#include <string.h>
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore#include "mandoc.h"
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore#include "out.h"
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore#include "term.h"
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amorestatic const enum termfont fontmap[EQNFONT__MAX] = {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore TERMFONT_NONE, /* EQNFONT_NONE */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore TERMFONT_NONE, /* EQNFONT_ROMAN */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore TERMFONT_BOLD, /* EQNFONT_BOLD */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore TERMFONT_BOLD, /* EQNFONT_FAT */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore TERMFONT_UNDER /* EQNFONT_ITALIC */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore};
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amorestatic void eqn_box(struct termp *, const struct eqn_box *);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amorevoid
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amoreterm_eqn(struct termp *p, const struct eqn *ep)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore{
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore p->flags |= TERMP_NONOSPACE;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore eqn_box(p, ep->root);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore term_word(p, " ");
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore p->flags &= ~TERMP_NONOSPACE;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore}
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amorestatic void
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amoreeqn_box(struct termp *p, const struct eqn_box *bp)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore{
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (EQNFONT_NONE != bp->font)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore term_fontpush(p, fontmap[(int)bp->font]);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (bp->left)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore term_word(p, bp->left);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (EQN_SUBEXPR == bp->type)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore term_word(p, "(");
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (bp->text)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore term_word(p, bp->text);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (bp->first)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore eqn_box(p, bp->first);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (EQN_SUBEXPR == bp->type)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore term_word(p, ")");
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (bp->right)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore term_word(p, bp->right);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (EQNFONT_NONE != bp->font)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore term_fontpop(p);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (bp->next)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore eqn_box(p, bp->next);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore}