1/* $Id: roff_html.c,v 1.21 2020/06/22 19:20:40 schwarze Exp $ */
2/*
3 * Copyright (c) 2010 Kristaps Dzonsons <kristaps@bsd.lv>
4 * Copyright (c) 2014, 2017, 2018, 2019 Ingo Schwarze <schwarze@openbsd.org>
5 *
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18#include "config.h"
19
20#include <sys/types.h>
21
22#include <assert.h>
23#include <stdio.h>
24#include <string.h>
25
26#include "mandoc.h"
27#include "roff.h"
28#include "out.h"
29#include "html.h"
30
31#define	ROFF_HTML_ARGS struct html *h, const struct roff_node *n
32
33typedef	void	(*roff_html_pre_fp)(ROFF_HTML_ARGS);
34
35static	void	  roff_html_pre_br(ROFF_HTML_ARGS);
36static	void	  roff_html_pre_ce(ROFF_HTML_ARGS);
37static	void	  roff_html_pre_fi(ROFF_HTML_ARGS);
38static	void	  roff_html_pre_ft(ROFF_HTML_ARGS);
39static	void	  roff_html_pre_nf(ROFF_HTML_ARGS);
40static	void	  roff_html_pre_sp(ROFF_HTML_ARGS);
41
42static	const roff_html_pre_fp roff_html_pre_acts[ROFF_MAX] = {
43	roff_html_pre_br,  /* br */
44	roff_html_pre_ce,  /* ce */
45	roff_html_pre_fi,  /* fi */
46	roff_html_pre_ft,  /* ft */
47	NULL,  /* ll */
48	NULL,  /* mc */
49	roff_html_pre_nf,  /* nf */
50	NULL,  /* po */
51	roff_html_pre_ce,  /* rj */
52	roff_html_pre_sp,  /* sp */
53	NULL,  /* ta */
54	NULL,  /* ti */
55};
56
57
58void
59roff_html_pre(struct html *h, const struct roff_node *n)
60{
61	assert(n->tok < ROFF_MAX);
62	if (roff_html_pre_acts[n->tok] != NULL)
63		(*roff_html_pre_acts[n->tok])(h, n);
64}
65
66static void
67roff_html_pre_br(ROFF_HTML_ARGS)
68{
69	print_otag(h, TAG_BR, "");
70}
71
72static void
73roff_html_pre_ce(ROFF_HTML_ARGS)
74{
75	for (n = n->child->next; n != NULL; n = n->next) {
76		if (n->type == ROFFT_TEXT) {
77			if (n->flags & NODE_LINE)
78				roff_html_pre_br(h, n);
79			print_text(h, n->string);
80		} else
81			roff_html_pre(h, n);
82	}
83	roff_html_pre_br(h, n);
84}
85
86static void
87roff_html_pre_fi(ROFF_HTML_ARGS)
88{
89	if (html_fillmode(h, TOKEN_NONE) == ROFF_fi)
90		print_otag(h, TAG_BR, "");
91}
92
93static void
94roff_html_pre_ft(ROFF_HTML_ARGS)
95{
96	const char	*cp;
97
98	cp = n->child->string;
99	html_setfont(h, mandoc_font(cp, (int)strlen(cp)));
100}
101
102static void
103roff_html_pre_nf(ROFF_HTML_ARGS)
104{
105	if (html_fillmode(h, TOKEN_NONE) == ROFF_nf)
106		print_otag(h, TAG_BR, "");
107}
108
109static void
110roff_html_pre_sp(ROFF_HTML_ARGS)
111{
112	if (html_fillmode(h, TOKEN_NONE) == ROFF_nf) {
113		h->col++;
114		print_endline(h);
115	} else {
116		html_close_paragraph(h);
117		print_otag(h, TAG_P, "c", "Pp");
118	}
119}
120