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
33 typedef void (*roff_html_pre_fp)(ROFF_HTML_ARGS);
34
35 static void roff_html_pre_br(ROFF_HTML_ARGS);
36 static void roff_html_pre_ce(ROFF_HTML_ARGS);
37 static void roff_html_pre_fi(ROFF_HTML_ARGS);
38 static void roff_html_pre_ft(ROFF_HTML_ARGS);
39 static void roff_html_pre_nf(ROFF_HTML_ARGS);
40 static void roff_html_pre_sp(ROFF_HTML_ARGS);
41
42 static 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
58 void
roff_html_pre(struct html * h,const struct roff_node * n)59 roff_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
66 static void
roff_html_pre_br(ROFF_HTML_ARGS)67 roff_html_pre_br(ROFF_HTML_ARGS)
68 {
69 print_otag(h, TAG_BR, "");
70 }
71
72 static void
roff_html_pre_ce(ROFF_HTML_ARGS)73 roff_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
86 static void
roff_html_pre_fi(ROFF_HTML_ARGS)87 roff_html_pre_fi(ROFF_HTML_ARGS)
88 {
89 if (html_fillmode(h, TOKEN_NONE) == ROFF_fi)
90 print_otag(h, TAG_BR, "");
91 }
92
93 static void
roff_html_pre_ft(ROFF_HTML_ARGS)94 roff_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
102 static void
roff_html_pre_nf(ROFF_HTML_ARGS)103 roff_html_pre_nf(ROFF_HTML_ARGS)
104 {
105 if (html_fillmode(h, TOKEN_NONE) == ROFF_nf)
106 print_otag(h, TAG_BR, "");
107 }
108
109 static void
roff_html_pre_sp(ROFF_HTML_ARGS)110 roff_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