1 /* $Id: tbl_html.c,v 1.32 2019/01/06 04:55:09 schwarze Exp $ */
3 * Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv>
4 * Copyright (c) 2014, 2015, 2017, 2018 Ingo Schwarze <schwarze@openbsd.org>
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.
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.
20 #include <sys/types.h>
32 static void html_tblopen(struct html *, const struct tbl_span *);
33 static size_t html_tbl_len(size_t, void *);
34 static size_t html_tbl_strlen(const char *, void *);
35 static size_t html_tbl_sulen(const struct roffsu *, void *);
39 html_tbl_len(size_t sz, void *arg)
45 html_tbl_strlen(const char *p, void *arg)
51 html_tbl_sulen(const struct roffsu *su, void *arg)
57 case SCALE_FS: /* 2^16 basic units */
58 return su->scale * 65536.0 / 24.0;
59 case SCALE_IN: /* 10 characters per inch */
60 return su->scale * 10.0;
61 case SCALE_CM: /* 2.54 cm per inch */
62 return su->scale * 10.0 / 2.54;
63 case SCALE_PC: /* 6 pica per inch */
65 return su->scale * 10.0 / 6.0;
69 case SCALE_PT: /* 12 points per pica */
70 return su->scale * 10.0 / 6.0 / 12.0;
71 case SCALE_BU: /* 24 basic units per character */
72 return su->scale / 24.0;
73 case SCALE_MM: /* 1/1000 inch */
74 return su->scale / 100.0;
81 html_tblopen(struct html *h, const struct tbl_span *sp)
83 html_close_paragraph(h);
84 if (h->tbl.cols == NULL) {
85 h->tbl.len = html_tbl_len;
86 h->tbl.slen = html_tbl_strlen;
87 h->tbl.sulen = html_tbl_sulen;
88 tblcalc(&h->tbl, sp, 0, 0);
90 assert(NULL == h->tblt);
91 h->tblt = print_otag(h, TAG_TABLE, "c?ss", "tbl",
93 sp->opts->opts & TBL_OPT_ALLBOX ? "1" : NULL,
95 sp->opts->opts & TBL_OPT_DBOX ? "double" :
96 sp->opts->opts & TBL_OPT_BOX ? "solid" : NULL,
98 sp->pos == TBL_SPAN_DHORIZ ? "double" :
99 sp->pos == TBL_SPAN_HORIZ ? "solid" : NULL);
103 print_tblclose(struct html *h)
107 print_tagq(h, h->tblt);
112 print_tbl(struct html *h, const struct tbl_span *sp)
114 const struct tbl_dat *dp;
115 const struct tbl_cell *cp;
116 const struct tbl_span *psp;
118 const char *hspans, *vspans, *halign, *valign;
119 const char *bborder, *lborder, *rborder;
120 char hbuf[4], vbuf[4];
127 * Horizontal lines spanning the whole table
128 * are handled by previous or following table rows.
131 if (sp->pos != TBL_SPAN_DATA)
134 /* Inhibit printing of spaces: we do padding ourselves. */
136 h->flags |= HTML_NONOSPACE;
137 h->flags |= HTML_NOSPACE;
139 /* Draw a vertical line left of this row? */
141 switch (sp->layout->vert) {
153 /* Draw a horizontal line below this row? */
156 if ((psp = sp->next) != NULL) {
158 case TBL_SPAN_DHORIZ:
169 tt = print_otag(h, TAG_TR, "ss",
170 "border-left-style", lborder,
171 "border-bottom-style", bborder);
173 for (dp = sp->first; dp != NULL; dp = dp->next) {
177 * Do not generate <td> elements for continuations
178 * of spanned cells. Larger <td> elements covering
179 * this space were already generated earlier.
183 if (cp->pos == TBL_CELL_SPAN || cp->pos == TBL_CELL_DOWN ||
184 (dp->string != NULL && strcmp(dp->string, "\\^") == 0))
187 /* Determine the attribute values. */
189 if (dp->hspans > 0) {
190 (void)snprintf(hbuf, sizeof(hbuf),
191 "%d", dp->hspans + 1);
195 if (dp->vspans > 0) {
196 (void)snprintf(vbuf, sizeof(vbuf),
197 "%d", dp->vspans + 1);
203 case TBL_CELL_CENTRE:
207 case TBL_CELL_NUMBER:
214 if (cp->flags & TBL_CELL_TALIGN)
216 else if (cp->flags & TBL_CELL_BALIGN)
221 for (i = dp->hspans; i > 0; i--)
235 /* Print the element and the attributes. */
237 print_otag(h, TAG_TD, "??sss",
238 "colspan", hspans, "rowspan", vspans,
239 "vertical-align", valign,
240 "text-align", halign,
241 "border-right-style", rborder);
242 if (dp->string != NULL)
243 print_text(h, dp->string);
248 h->flags &= ~HTML_NONOSPACE;
250 if (sp->next == NULL) {