xref: /dragonfly/contrib/mdocml/tbl_html.c (revision 25a2db75)
1 /*	$Id: tbl_html.c,v 1.9 2011/09/18 14:14:15 schwarze Exp $ */
2 /*
3  * Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv>
4  *
5  * Permission to use, copy, modify, and distribute this software for any
6  * purpose with or without fee is hereby granted, provided that the above
7  * copyright notice and this permission notice appear in all copies.
8  *
9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16  */
17 #ifdef HAVE_CONFIG_H
18 #include "config.h"
19 #endif
20 
21 #include <assert.h>
22 #include <stdio.h>
23 #include <stdlib.h>
24 #include <string.h>
25 
26 #include "mandoc.h"
27 #include "out.h"
28 #include "html.h"
29 
30 static	void	 html_tblopen(struct html *, const struct tbl_span *);
31 static	size_t	 html_tbl_len(size_t, void *);
32 static	size_t	 html_tbl_strlen(const char *, void *);
33 
34 /* ARGSUSED */
35 static size_t
36 html_tbl_len(size_t sz, void *arg)
37 {
38 
39 	return(sz);
40 }
41 
42 /* ARGSUSED */
43 static size_t
44 html_tbl_strlen(const char *p, void *arg)
45 {
46 
47 	return(strlen(p));
48 }
49 
50 static void
51 html_tblopen(struct html *h, const struct tbl_span *sp)
52 {
53 	const struct tbl_head *hp;
54 	struct htmlpair	 tag;
55 	struct roffsu	 su;
56 	struct roffcol	*col;
57 
58 	if (TBL_SPAN_FIRST & sp->flags) {
59 		h->tbl.len = html_tbl_len;
60 		h->tbl.slen = html_tbl_strlen;
61 		tblcalc(&h->tbl, sp);
62 	}
63 
64 	assert(NULL == h->tblt);
65 	PAIR_CLASS_INIT(&tag, "tbl");
66 	h->tblt = print_otag(h, TAG_TABLE, 1, &tag);
67 
68 	for (hp = sp->head; hp; hp = hp->next) {
69 		bufinit(h);
70 		col = &h->tbl.cols[hp->ident];
71 		SCALE_HS_INIT(&su, col->width);
72 		bufcat_su(h, "width", &su);
73 		PAIR_STYLE_INIT(&tag, h);
74 		print_otag(h, TAG_COL, 1, &tag);
75 	}
76 
77 	print_otag(h, TAG_TBODY, 0, NULL);
78 }
79 
80 void
81 print_tblclose(struct html *h)
82 {
83 
84 	assert(h->tblt);
85 	print_tagq(h, h->tblt);
86 	h->tblt = NULL;
87 }
88 
89 void
90 print_tbl(struct html *h, const struct tbl_span *sp)
91 {
92 	const struct tbl_head *hp;
93 	const struct tbl_dat *dp;
94 	struct htmlpair	 tag;
95 	struct tag	*tt;
96 
97 	/* Inhibit printing of spaces: we do padding ourselves. */
98 
99 	if (NULL == h->tblt)
100 		html_tblopen(h, sp);
101 
102 	assert(h->tblt);
103 
104 	h->flags |= HTML_NONOSPACE;
105 	h->flags |= HTML_NOSPACE;
106 
107 	tt = print_otag(h, TAG_TR, 0, NULL);
108 
109 	switch (sp->pos) {
110 	case (TBL_SPAN_HORIZ):
111 		/* FALLTHROUGH */
112 	case (TBL_SPAN_DHORIZ):
113 		PAIR_INIT(&tag, ATTR_COLSPAN, "0");
114 		print_otag(h, TAG_TD, 1, &tag);
115 		break;
116 	default:
117 		dp = sp->first;
118 		for (hp = sp->head; hp; hp = hp->next) {
119 			print_stagq(h, tt);
120 			print_otag(h, TAG_TD, 0, NULL);
121 
122 			switch (hp->pos) {
123 			case (TBL_HEAD_VERT):
124 				/* FALLTHROUGH */
125 			case (TBL_HEAD_DVERT):
126 				continue;
127 			case (TBL_HEAD_DATA):
128 				if (NULL == dp)
129 					break;
130 				if (TBL_CELL_DOWN != dp->layout->pos)
131 					if (dp->string)
132 						print_text(h, dp->string);
133 				dp = dp->next;
134 				break;
135 			}
136 		}
137 		break;
138 	}
139 
140 	print_tagq(h, tt);
141 
142 	h->flags &= ~HTML_NONOSPACE;
143 
144 	if (TBL_SPAN_LAST & sp->flags) {
145 		assert(h->tbl.cols);
146 		free(h->tbl.cols);
147 		h->tbl.cols = NULL;
148 		print_tblclose(h);
149 	}
150 
151 }
152