1/*	$Id: roff_html.c,v 1.20 2019/04/30 15:53:01 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 <sys/types.h>
19
20#include <assert.h>
21#include <stdio.h>
22#include <string.h>
23
24#include "mandoc.h"
25#include "roff.h"
26#include "out.h"
27#include "html.h"
28
29#define	ROFF_HTML_ARGS struct html *h, const struct roff_node *n
30
31typedef	void	(*roff_html_pre_fp)(ROFF_HTML_ARGS);
32
33static	void	  roff_html_pre_br(ROFF_HTML_ARGS);
34static	void	  roff_html_pre_ce(ROFF_HTML_ARGS);
35static	void	  roff_html_pre_fi(ROFF_HTML_ARGS);
36static	void	  roff_html_pre_ft(ROFF_HTML_ARGS);
37static	void	  roff_html_pre_nf(ROFF_HTML_ARGS);
38static	void	  roff_html_pre_sp(ROFF_HTML_ARGS);
39
40static	const roff_html_pre_fp roff_html_pre_acts[ROFF_MAX] = {
41	roff_html_pre_br,  /* br */
42	roff_html_pre_ce,  /* ce */
43	roff_html_pre_fi,  /* fi */
44	roff_html_pre_ft,  /* ft */
45	NULL,  /* ll */
46	NULL,  /* mc */
47	roff_html_pre_nf,  /* nf */
48	NULL,  /* po */
49	roff_html_pre_ce,  /* rj */
50	roff_html_pre_sp,  /* sp */
51	NULL,  /* ta */
52	NULL,  /* ti */
53};
54
55
56void
57roff_html_pre(struct html *h, const struct roff_node *n)
58{
59	assert(n->tok < ROFF_MAX);
60	if (roff_html_pre_acts[n->tok] != NULL)
61		(*roff_html_pre_acts[n->tok])(h, n);
62}
63
64static void
65roff_html_pre_br(ROFF_HTML_ARGS)
66{
67	print_otag(h, TAG_BR, "");
68}
69
70static void
71roff_html_pre_ce(ROFF_HTML_ARGS)
72{
73	for (n = n->child->next; n != NULL; n = n->next) {
74		if (n->type == ROFFT_TEXT) {
75			if (n->flags & NODE_LINE)
76				roff_html_pre_br(h, n);
77			print_text(h, n->string);
78		} else
79			roff_html_pre(h, n);
80	}
81	roff_html_pre_br(h, n);
82}
83
84static void
85roff_html_pre_fi(ROFF_HTML_ARGS)
86{
87	if (html_fillmode(h, TOKEN_NONE) == ROFF_fi)
88		print_otag(h, TAG_BR, "");
89}
90
91static void
92roff_html_pre_ft(ROFF_HTML_ARGS)
93{
94	const char	*cp;
95
96	cp = n->child->string;
97	html_setfont(h, mandoc_font(cp, (int)strlen(cp)));
98}
99
100static void
101roff_html_pre_nf(ROFF_HTML_ARGS)
102{
103	if (html_fillmode(h, TOKEN_NONE) == ROFF_nf)
104		print_otag(h, TAG_BR, "");
105}
106
107static void
108roff_html_pre_sp(ROFF_HTML_ARGS)
109{
110	if (html_fillmode(h, TOKEN_NONE) == ROFF_nf) {
111		h->col++;
112		print_endline(h);
113	} else {
114		html_close_paragraph(h);
115		print_otag(h, TAG_P, "c", "Pp");
116	}
117}
118