Annotation of mandoc/tbl_html.c, Revision 1.36
1.36 ! schwarze 1: /* $Id: tbl_html.c,v 1.35 2021/05/16 23:18:35 schwarze Exp $ */
1.1 kristaps 2: /*
1.9 schwarze 3: * Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.34 schwarze 4: * Copyright (c) 2014,2015,2017,2018,2021 Ingo Schwarze <schwarze@openbsd.org>
1.1 kristaps 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"
1.12 schwarze 19:
20: #include <sys/types.h>
1.1 kristaps 21:
22: #include <assert.h>
23: #include <stdio.h>
24: #include <stdlib.h>
25: #include <string.h>
26:
1.31 schwarze 27: #include "mandoc.h"
1.33 schwarze 28: #include "roff.h"
1.30 schwarze 29: #include "tbl.h"
1.1 kristaps 30: #include "out.h"
31: #include "html.h"
32:
1.7 kristaps 33: static void html_tblopen(struct html *, const struct tbl_span *);
1.4 kristaps 34: static size_t html_tbl_len(size_t, void *);
35: static size_t html_tbl_strlen(const char *, void *);
1.21 schwarze 36: static size_t html_tbl_sulen(const struct roffsu *, void *);
1.4 kristaps 37:
1.11 schwarze 38:
1.4 kristaps 39: static size_t
40: html_tbl_len(size_t sz, void *arg)
41: {
1.17 schwarze 42: return sz;
1.4 kristaps 43: }
44:
45: static size_t
46: html_tbl_strlen(const char *p, void *arg)
47: {
1.21 schwarze 48: return strlen(p);
49: }
1.4 kristaps 50:
1.21 schwarze 51: static size_t
52: html_tbl_sulen(const struct roffsu *su, void *arg)
53: {
1.23 schwarze 54: if (su->scale < 0.0)
55: return 0;
56:
1.21 schwarze 57: switch (su->unit) {
58: case SCALE_FS: /* 2^16 basic units */
59: return su->scale * 65536.0 / 24.0;
60: case SCALE_IN: /* 10 characters per inch */
61: return su->scale * 10.0;
62: case SCALE_CM: /* 2.54 cm per inch */
63: return su->scale * 10.0 / 2.54;
64: case SCALE_PC: /* 6 pica per inch */
65: case SCALE_VS:
66: return su->scale * 10.0 / 6.0;
67: case SCALE_EN:
68: case SCALE_EM:
69: return su->scale;
70: case SCALE_PT: /* 12 points per pica */
71: return su->scale * 10.0 / 6.0 / 12.0;
72: case SCALE_BU: /* 24 basic units per character */
73: return su->scale / 24.0;
74: case SCALE_MM: /* 1/1000 inch */
75: return su->scale / 100.0;
76: default:
77: abort();
78: }
1.4 kristaps 79: }
80:
1.7 kristaps 81: static void
82: html_tblopen(struct html *h, const struct tbl_span *sp)
83: {
1.32 schwarze 84: html_close_paragraph(h);
1.16 schwarze 85: if (h->tbl.cols == NULL) {
1.7 kristaps 86: h->tbl.len = html_tbl_len;
87: h->tbl.slen = html_tbl_strlen;
1.21 schwarze 88: h->tbl.sulen = html_tbl_sulen;
1.22 schwarze 89: tblcalc(&h->tbl, sp, 0, 0);
1.7 kristaps 90: }
91: assert(NULL == h->tblt);
1.29 schwarze 92: h->tblt = print_otag(h, TAG_TABLE, "c?ss", "tbl",
93: "border",
94: sp->opts->opts & TBL_OPT_ALLBOX ? "1" : NULL,
95: "border-style",
96: sp->opts->opts & TBL_OPT_DBOX ? "double" :
97: sp->opts->opts & TBL_OPT_BOX ? "solid" : NULL,
98: "border-top-style",
99: sp->pos == TBL_SPAN_DHORIZ ? "double" :
100: sp->pos == TBL_SPAN_HORIZ ? "solid" : NULL);
1.7 kristaps 101: }
102:
103: void
104: print_tblclose(struct html *h)
105: {
106:
107: assert(h->tblt);
108: print_tagq(h, h->tblt);
109: h->tblt = NULL;
110: }
111:
1.1 kristaps 112: void
113: print_tbl(struct html *h, const struct tbl_span *sp)
114: {
1.26 schwarze 115: const struct tbl_dat *dp;
1.29 schwarze 116: const struct tbl_cell *cp;
117: const struct tbl_span *psp;
1.26 schwarze 118: struct tag *tt;
119: const char *hspans, *vspans, *halign, *valign;
1.29 schwarze 120: const char *bborder, *lborder, *rborder;
1.26 schwarze 121: char hbuf[4], vbuf[4];
1.34 schwarze 122: enum mandoc_esc save_font;
1.29 schwarze 123: int i;
1.1 kristaps 124:
1.14 schwarze 125: if (h->tblt == NULL)
1.7 kristaps 126: html_tblopen(h, sp);
127:
1.29 schwarze 128: /*
129: * Horizontal lines spanning the whole table
130: * are handled by previous or following table rows.
131: */
132:
133: if (sp->pos != TBL_SPAN_DATA)
134: return;
135:
136: /* Inhibit printing of spaces: we do padding ourselves. */
1.7 kristaps 137:
1.1 kristaps 138: h->flags |= HTML_NONOSPACE;
139: h->flags |= HTML_NOSPACE;
140:
1.29 schwarze 141: /* Draw a vertical line left of this row? */
1.4 kristaps 142:
1.29 schwarze 143: switch (sp->layout->vert) {
144: case 2:
145: lborder = "double";
146: break;
147: case 1:
148: lborder = "solid";
1.5 kristaps 149: break;
150: default:
1.29 schwarze 151: lborder = NULL;
152: break;
153: }
1.27 schwarze 154:
1.29 schwarze 155: /* Draw a horizontal line below this row? */
156:
157: bborder = NULL;
158: if ((psp = sp->next) != NULL) {
159: switch (psp->pos) {
160: case TBL_SPAN_DHORIZ:
161: bborder = "double";
162: break;
163: case TBL_SPAN_HORIZ:
164: bborder = "solid";
165: break;
166: default:
167: break;
168: }
169: }
170:
171: tt = print_otag(h, TAG_TR, "ss",
172: "border-left-style", lborder,
173: "border-bottom-style", bborder);
174:
175: for (dp = sp->first; dp != NULL; dp = dp->next) {
176: print_stagq(h, tt);
177:
178: /*
179: * Do not generate <td> elements for continuations
180: * of spanned cells. Larger <td> elements covering
181: * this space were already generated earlier.
182: */
183:
184: cp = dp->layout;
185: if (cp->pos == TBL_CELL_SPAN || cp->pos == TBL_CELL_DOWN ||
186: (dp->string != NULL && strcmp(dp->string, "\\^") == 0))
187: continue;
188:
189: /* Determine the attribute values. */
190:
191: if (dp->hspans > 0) {
192: (void)snprintf(hbuf, sizeof(hbuf),
193: "%d", dp->hspans + 1);
194: hspans = hbuf;
195: } else
196: hspans = NULL;
197: if (dp->vspans > 0) {
198: (void)snprintf(vbuf, sizeof(vbuf),
199: "%d", dp->vspans + 1);
200: vspans = vbuf;
201: } else
202: vspans = NULL;
203:
204: switch (cp->pos) {
205: case TBL_CELL_CENTRE:
206: halign = "center";
207: break;
208: case TBL_CELL_RIGHT:
209: case TBL_CELL_NUMBER:
210: halign = "right";
211: break;
212: default:
213: halign = NULL;
214: break;
1.1 kristaps 215: }
1.29 schwarze 216: if (cp->flags & TBL_CELL_TALIGN)
217: valign = "top";
218: else if (cp->flags & TBL_CELL_BALIGN)
219: valign = "bottom";
220: else
221: valign = NULL;
222:
223: for (i = dp->hspans; i > 0; i--)
224: cp = cp->next;
225: switch (cp->vert) {
226: case 2:
227: rborder = "double";
228: break;
229: case 1:
230: rborder = "solid";
231: break;
232: default:
233: rborder = NULL;
234: break;
235: }
236:
237: /* Print the element and the attributes. */
238:
239: print_otag(h, TAG_TD, "??sss",
240: "colspan", hspans, "rowspan", vspans,
241: "vertical-align", valign,
242: "text-align", halign,
243: "border-right-style", rborder);
1.34 schwarze 244: if (dp->string != NULL) {
245: save_font = h->metac;
1.36 ! schwarze 246: html_setfont(h, dp->layout->font);
1.35 schwarze 247: if (dp->layout->pos == TBL_CELL_LONG)
248: print_text(h, "\\[u2003]"); /* em space */
1.29 schwarze 249: print_text(h, dp->string);
1.34 schwarze 250: html_setfont(h, save_font);
251: }
1.5 kristaps 252: }
1.4 kristaps 253:
1.7 kristaps 254: print_tagq(h, tt);
255:
1.1 kristaps 256: h->flags &= ~HTML_NONOSPACE;
1.4 kristaps 257:
1.16 schwarze 258: if (sp->next == NULL) {
1.4 kristaps 259: assert(h->tbl.cols);
260: free(h->tbl.cols);
261: h->tbl.cols = NULL;
1.7 kristaps 262: print_tblclose(h);
1.4 kristaps 263: }
1.1 kristaps 264: }
CVSweb