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File: [cvsweb.bsd.lv] / mandoc / roff_html.c (download)

Revision 1.12, Mon Jun 25 14:53:58 2018 UTC (2 years, 11 months ago) by schwarze
Branch: MAIN
CVS Tags: VERSION_1_14_4
Changes since 1.11: +3 -13 lines

Get rid of the last explicit length in HTML style= attributes.
Even though style=height is not particularly harmful for responsive
design except for very large arguments which don't really occur in
practice, it is not useful either: nobody should use .sp in manual
pages, in particular not with an argument.  Even if somebody does,
ignoring the argument will likely make the output look better rather
than worse.  Consequently, simplify by dropping a useless feature.

/*	$Id: roff_html.c,v 1.12 2018/06/25 14:53:58 schwarze Exp $ */
/*
 * Copyright (c) 2010 Kristaps Dzonsons <kristaps@bsd.lv>
 * Copyright (c) 2014, 2017, 2018 Ingo Schwarze <schwarze@openbsd.org>
 *
 * 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.
 */
#include <sys/types.h>

#include <assert.h>
#include <stddef.h>

#include "mandoc.h"
#include "roff.h"
#include "out.h"
#include "html.h"

#define	ROFF_HTML_ARGS struct html *h, const struct roff_node *n

typedef	void	(*roff_html_pre_fp)(ROFF_HTML_ARGS);

static	void	  roff_html_pre_br(ROFF_HTML_ARGS);
static	void	  roff_html_pre_ce(ROFF_HTML_ARGS);
static	void	  roff_html_pre_sp(ROFF_HTML_ARGS);

static	const roff_html_pre_fp roff_html_pre_acts[ROFF_MAX] = {
	roff_html_pre_br,  /* br */
	roff_html_pre_ce,  /* ce */
	NULL,  /* ft */
	NULL,  /* ll */
	NULL,  /* mc */
	NULL,  /* po */
	roff_html_pre_ce,  /* rj */
	roff_html_pre_sp,  /* sp */
	NULL,  /* ta */
	NULL,  /* ti */
};


void
roff_html_pre(struct html *h, const struct roff_node *n)
{
	assert(n->tok < ROFF_MAX);
	if (roff_html_pre_acts[n->tok] != NULL)
		(*roff_html_pre_acts[n->tok])(h, n);
}

static void
roff_html_pre_br(ROFF_HTML_ARGS)
{
	struct tag	*t;

	t = print_otag(h, TAG_DIV, "");
	print_text(h, "\\~");  /* So the div isn't empty. */
	print_tagq(h, t);
}

static void
roff_html_pre_ce(ROFF_HTML_ARGS)
{
	for (n = n->child->next; n != NULL; n = n->next) {
		if (n->type == ROFFT_TEXT) {
			if (n->flags & NODE_LINE)
				roff_html_pre_br(h, n);
			print_text(h, n->string);
		} else
			roff_html_pre(h, n);
	}
	roff_html_pre_br(h, n);
}

static void
roff_html_pre_sp(ROFF_HTML_ARGS)
{
	print_paragraph(h);
}