Annotation of mandoc/tbl_html.c, Revision 1.32
1.32 ! schwarze 1: /* $Id: tbl_html.c,v 1.31 2018/12/16 00:17:02 schwarze Exp $ */
1.1 kristaps 2: /*
1.9 schwarze 3: * Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.25 schwarze 4: * Copyright (c) 2014, 2015, 2017, 2018 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"
1.30 schwarze 28: #include "tbl.h"
1.1 kristaps 29: #include "out.h"
30: #include "html.h"
31:
1.7 kristaps 32: static void html_tblopen(struct html *, const struct tbl_span *);
1.4 kristaps 33: static size_t html_tbl_len(size_t, void *);
34: static size_t html_tbl_strlen(const char *, void *);
1.21 schwarze 35: static size_t html_tbl_sulen(const struct roffsu *, void *);
1.4 kristaps 36:
1.11 schwarze 37:
1.4 kristaps 38: static size_t
39: html_tbl_len(size_t sz, void *arg)
40: {
1.17 schwarze 41: return sz;
1.4 kristaps 42: }
43:
44: static size_t
45: html_tbl_strlen(const char *p, void *arg)
46: {
1.21 schwarze 47: return strlen(p);
48: }
1.4 kristaps 49:
1.21 schwarze 50: static size_t
51: html_tbl_sulen(const struct roffsu *su, void *arg)
52: {
1.23 schwarze 53: if (su->scale < 0.0)
54: return 0;
55:
1.21 schwarze 56: switch (su->unit) {
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 */
64: case SCALE_VS:
65: return su->scale * 10.0 / 6.0;
66: case SCALE_EN:
67: case SCALE_EM:
68: return su->scale;
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;
75: default:
76: abort();
77: }
1.4 kristaps 78: }
79:
1.7 kristaps 80: static void
81: html_tblopen(struct html *h, const struct tbl_span *sp)
82: {
1.32 ! schwarze 83: html_close_paragraph(h);
1.16 schwarze 84: if (h->tbl.cols == NULL) {
1.7 kristaps 85: h->tbl.len = html_tbl_len;
86: h->tbl.slen = html_tbl_strlen;
1.21 schwarze 87: h->tbl.sulen = html_tbl_sulen;
1.22 schwarze 88: tblcalc(&h->tbl, sp, 0, 0);
1.7 kristaps 89: }
90: assert(NULL == h->tblt);
1.29 schwarze 91: h->tblt = print_otag(h, TAG_TABLE, "c?ss", "tbl",
92: "border",
93: sp->opts->opts & TBL_OPT_ALLBOX ? "1" : NULL,
94: "border-style",
95: sp->opts->opts & TBL_OPT_DBOX ? "double" :
96: sp->opts->opts & TBL_OPT_BOX ? "solid" : NULL,
97: "border-top-style",
98: sp->pos == TBL_SPAN_DHORIZ ? "double" :
99: sp->pos == TBL_SPAN_HORIZ ? "solid" : NULL);
1.7 kristaps 100: }
101:
102: void
103: print_tblclose(struct html *h)
104: {
105:
106: assert(h->tblt);
107: print_tagq(h, h->tblt);
108: h->tblt = NULL;
109: }
110:
1.1 kristaps 111: void
112: print_tbl(struct html *h, const struct tbl_span *sp)
113: {
1.26 schwarze 114: const struct tbl_dat *dp;
1.29 schwarze 115: const struct tbl_cell *cp;
116: const struct tbl_span *psp;
1.26 schwarze 117: struct tag *tt;
118: const char *hspans, *vspans, *halign, *valign;
1.29 schwarze 119: const char *bborder, *lborder, *rborder;
1.26 schwarze 120: char hbuf[4], vbuf[4];
1.29 schwarze 121: int i;
1.1 kristaps 122:
1.14 schwarze 123: if (h->tblt == NULL)
1.7 kristaps 124: html_tblopen(h, sp);
125:
1.29 schwarze 126: /*
127: * Horizontal lines spanning the whole table
128: * are handled by previous or following table rows.
129: */
130:
131: if (sp->pos != TBL_SPAN_DATA)
132: return;
133:
134: /* Inhibit printing of spaces: we do padding ourselves. */
1.7 kristaps 135:
1.1 kristaps 136: h->flags |= HTML_NONOSPACE;
137: h->flags |= HTML_NOSPACE;
138:
1.29 schwarze 139: /* Draw a vertical line left of this row? */
1.4 kristaps 140:
1.29 schwarze 141: switch (sp->layout->vert) {
142: case 2:
143: lborder = "double";
144: break;
145: case 1:
146: lborder = "solid";
1.5 kristaps 147: break;
148: default:
1.29 schwarze 149: lborder = NULL;
150: break;
151: }
1.27 schwarze 152:
1.29 schwarze 153: /* Draw a horizontal line below this row? */
154:
155: bborder = NULL;
156: if ((psp = sp->next) != NULL) {
157: switch (psp->pos) {
158: case TBL_SPAN_DHORIZ:
159: bborder = "double";
160: break;
161: case TBL_SPAN_HORIZ:
162: bborder = "solid";
163: break;
164: default:
165: break;
166: }
167: }
168:
169: tt = print_otag(h, TAG_TR, "ss",
170: "border-left-style", lborder,
171: "border-bottom-style", bborder);
172:
173: for (dp = sp->first; dp != NULL; dp = dp->next) {
174: print_stagq(h, tt);
175:
176: /*
177: * Do not generate <td> elements for continuations
178: * of spanned cells. Larger <td> elements covering
179: * this space were already generated earlier.
180: */
181:
182: cp = dp->layout;
183: if (cp->pos == TBL_CELL_SPAN || cp->pos == TBL_CELL_DOWN ||
184: (dp->string != NULL && strcmp(dp->string, "\\^") == 0))
185: continue;
186:
187: /* Determine the attribute values. */
188:
189: if (dp->hspans > 0) {
190: (void)snprintf(hbuf, sizeof(hbuf),
191: "%d", dp->hspans + 1);
192: hspans = hbuf;
193: } else
194: hspans = NULL;
195: if (dp->vspans > 0) {
196: (void)snprintf(vbuf, sizeof(vbuf),
197: "%d", dp->vspans + 1);
198: vspans = vbuf;
199: } else
200: vspans = NULL;
201:
202: switch (cp->pos) {
203: case TBL_CELL_CENTRE:
204: halign = "center";
205: break;
206: case TBL_CELL_RIGHT:
207: case TBL_CELL_NUMBER:
208: halign = "right";
209: break;
210: default:
211: halign = NULL;
212: break;
1.1 kristaps 213: }
1.29 schwarze 214: if (cp->flags & TBL_CELL_TALIGN)
215: valign = "top";
216: else if (cp->flags & TBL_CELL_BALIGN)
217: valign = "bottom";
218: else
219: valign = NULL;
220:
221: for (i = dp->hspans; i > 0; i--)
222: cp = cp->next;
223: switch (cp->vert) {
224: case 2:
225: rborder = "double";
226: break;
227: case 1:
228: rborder = "solid";
229: break;
230: default:
231: rborder = NULL;
232: break;
233: }
234:
235: /* Print the element and the attributes. */
236:
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);
1.5 kristaps 244: }
1.4 kristaps 245:
1.7 kristaps 246: print_tagq(h, tt);
247:
1.1 kristaps 248: h->flags &= ~HTML_NONOSPACE;
1.4 kristaps 249:
1.16 schwarze 250: if (sp->next == NULL) {
1.4 kristaps 251: assert(h->tbl.cols);
252: free(h->tbl.cols);
253: h->tbl.cols = NULL;
1.7 kristaps 254: print_tblclose(h);
1.4 kristaps 255: }
1.1 kristaps 256: }
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