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211d2d512b
It is a suite of ISC licensed tools to compile and render mdoc/man pages and will replace groff for formatting manpages in the base system. http://mdocml.bsd.lv/
77 lines
2.0 KiB
C
77 lines
2.0 KiB
C
/* $Id: eqn_term.c,v 1.4 2011/07/24 10:09:03 kristaps Exp $ */
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/*
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* Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <assert.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "mandoc.h"
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#include "out.h"
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#include "term.h"
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static const enum termfont fontmap[EQNFONT__MAX] = {
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TERMFONT_NONE, /* EQNFONT_NONE */
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TERMFONT_NONE, /* EQNFONT_ROMAN */
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TERMFONT_BOLD, /* EQNFONT_BOLD */
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TERMFONT_BOLD, /* EQNFONT_FAT */
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TERMFONT_UNDER /* EQNFONT_ITALIC */
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};
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static void eqn_box(struct termp *, const struct eqn_box *);
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void
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term_eqn(struct termp *p, const struct eqn *ep)
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{
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p->flags |= TERMP_NONOSPACE;
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eqn_box(p, ep->root);
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term_word(p, " ");
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p->flags &= ~TERMP_NONOSPACE;
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}
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static void
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eqn_box(struct termp *p, const struct eqn_box *bp)
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{
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if (EQNFONT_NONE != bp->font)
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term_fontpush(p, fontmap[(int)bp->font]);
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if (bp->left)
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term_word(p, bp->left);
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if (EQN_SUBEXPR == bp->type)
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term_word(p, "(");
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if (bp->text)
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term_word(p, bp->text);
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if (bp->first)
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eqn_box(p, bp->first);
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if (EQN_SUBEXPR == bp->type)
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term_word(p, ")");
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if (bp->right)
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term_word(p, bp->right);
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if (EQNFONT_NONE != bp->font)
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term_fontpop(p);
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if (bp->next)
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eqn_box(p, bp->next);
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}
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