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/* $OpenBSD: roff_html.c,v 1.10 2017/06/14 22:50:37 schwarze Exp $ */
/*
* Copyright (c) 2010 Kristaps Dzonsons <kristaps@bsd.lv>
* Copyright (c) 2014, 2017 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 "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)
{
struct roffsu su;
SCALE_VS_INIT(&su, 1);
if ((n = n->child) != NULL) {
if (a2roffsu(n->string, &su, SCALE_VS) == NULL)
su.scale = 1.0;
else if (su.scale < 0.0)
su.scale = 0.0;
}
print_otag(h, TAG_DIV, "suh", &su);
print_text(h, "\\~"); /* So the div isn't empty. */
}
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