Annotation of src/usr.bin/mandoc/tbl_html.c, Revision 1.22
1.22 ! schwarze 1: /* $OpenBSD: tbl_html.c,v 1.21 2018/11/25 19:23:59 schwarze Exp $ */
1.1 schwarze 2: /*
1.5 schwarze 3: * Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.20 schwarze 4: * Copyright (c) 2014, 2015, 2017, 2018 Ingo Schwarze <schwarze@openbsd.org>
1.1 schwarze 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: */
1.8 schwarze 18: #include <sys/types.h>
19:
1.1 schwarze 20: #include <assert.h>
21: #include <stdio.h>
22: #include <stdlib.h>
23: #include <string.h>
24:
25: #include "mandoc.h"
26: #include "out.h"
27: #include "html.h"
28:
1.4 schwarze 29: static void html_tblopen(struct html *, const struct tbl_span *);
1.2 schwarze 30: static size_t html_tbl_len(size_t, void *);
31: static size_t html_tbl_strlen(const char *, void *);
1.16 schwarze 32: static size_t html_tbl_sulen(const struct roffsu *, void *);
1.2 schwarze 33:
1.7 schwarze 34:
1.2 schwarze 35: static size_t
36: html_tbl_len(size_t sz, void *arg)
37: {
1.12 schwarze 38: return sz;
1.2 schwarze 39: }
40:
41: static size_t
42: html_tbl_strlen(const char *p, void *arg)
43: {
1.16 schwarze 44: return strlen(p);
45: }
1.2 schwarze 46:
1.16 schwarze 47: static size_t
48: html_tbl_sulen(const struct roffsu *su, void *arg)
49: {
1.18 schwarze 50: if (su->scale < 0.0)
51: return 0;
52:
1.16 schwarze 53: switch (su->unit) {
54: case SCALE_FS: /* 2^16 basic units */
55: return su->scale * 65536.0 / 24.0;
56: case SCALE_IN: /* 10 characters per inch */
57: return su->scale * 10.0;
58: case SCALE_CM: /* 2.54 cm per inch */
59: return su->scale * 10.0 / 2.54;
60: case SCALE_PC: /* 6 pica per inch */
61: case SCALE_VS:
62: return su->scale * 10.0 / 6.0;
63: case SCALE_EN:
64: case SCALE_EM:
65: return su->scale;
66: case SCALE_PT: /* 12 points per pica */
67: return su->scale * 10.0 / 6.0 / 12.0;
68: case SCALE_BU: /* 24 basic units per character */
69: return su->scale / 24.0;
70: case SCALE_MM: /* 1/1000 inch */
71: return su->scale / 100.0;
72: default:
73: abort();
74: }
1.2 schwarze 75: }
76:
1.4 schwarze 77: static void
78: html_tblopen(struct html *h, const struct tbl_span *sp)
79: {
1.11 schwarze 80: if (h->tbl.cols == NULL) {
1.4 schwarze 81: h->tbl.len = html_tbl_len;
82: h->tbl.slen = html_tbl_strlen;
1.16 schwarze 83: h->tbl.sulen = html_tbl_sulen;
1.17 schwarze 84: tblcalc(&h->tbl, sp, 0, 0);
1.4 schwarze 85: }
86: assert(NULL == h->tblt);
1.14 schwarze 87: h->tblt = print_otag(h, TAG_TABLE, "c", "tbl");
1.4 schwarze 88: }
89:
90: void
91: print_tblclose(struct html *h)
92: {
93:
94: assert(h->tblt);
95: print_tagq(h, h->tblt);
96: h->tblt = NULL;
97: }
98:
1.1 schwarze 99: void
100: print_tbl(struct html *h, const struct tbl_span *sp)
101: {
1.21 schwarze 102: const struct tbl_dat *dp;
103: struct tag *tt;
104: const char *hspans, *vspans, *halign, *valign;
105: char hbuf[4], vbuf[4];
1.2 schwarze 106:
107: /* Inhibit printing of spaces: we do padding ourselves. */
108:
1.9 schwarze 109: if (h->tblt == NULL)
1.4 schwarze 110: html_tblopen(h, sp);
111:
112: assert(h->tblt);
113:
1.2 schwarze 114: h->flags |= HTML_NONOSPACE;
115: h->flags |= HTML_NOSPACE;
116:
1.14 schwarze 117: tt = print_otag(h, TAG_TR, "");
1.1 schwarze 118:
119: switch (sp->pos) {
1.7 schwarze 120: case TBL_SPAN_HORIZ:
121: case TBL_SPAN_DHORIZ:
1.14 schwarze 122: print_otag(h, TAG_TD, "?", "colspan", "0");
1.2 schwarze 123: break;
1.1 schwarze 124: default:
1.21 schwarze 125: for (dp = sp->first; dp != NULL; dp = dp->next) {
1.4 schwarze 126: print_stagq(h, tt);
1.22 ! schwarze 127:
! 128: /*
! 129: * Do not generate <td> elements for continuations
! 130: * of spanned cells. Larger <td> elements covering
! 131: * this space were already generated earlier.
! 132: */
! 133:
! 134: if (dp->layout->pos == TBL_CELL_SPAN ||
! 135: dp->layout->pos == TBL_CELL_DOWN ||
! 136: (dp->string != NULL &&
! 137: strcmp(dp->string, "\\^") == 0))
1.10 schwarze 138: continue;
1.21 schwarze 139:
140: /* Determine the attribute values. */
141:
142: if (dp->hspans > 0) {
143: (void)snprintf(hbuf, sizeof(hbuf),
144: "%d", dp->hspans + 1);
145: hspans = hbuf;
146: } else
147: hspans = NULL;
148: if (dp->vspans > 0) {
149: (void)snprintf(vbuf, sizeof(vbuf),
150: "%d", dp->vspans + 1);
151: vspans = vbuf;
152: } else
153: vspans = NULL;
154:
1.20 schwarze 155: switch (dp->layout->pos) {
156: case TBL_CELL_CENTRE:
157: halign = "center";
158: break;
159: case TBL_CELL_RIGHT:
160: case TBL_CELL_NUMBER:
161: halign = "right";
162: break;
163: default:
164: halign = NULL;
165: break;
166: }
167: if (dp->layout->flags & TBL_CELL_TALIGN)
168: valign = "top";
169: else if (dp->layout->flags & TBL_CELL_BALIGN)
170: valign = "bottom";
171: else
172: valign = NULL;
1.21 schwarze 173:
174: /* Print the element and the attributes. */
175:
1.20 schwarze 176: if (halign == NULL && valign == NULL)
1.21 schwarze 177: print_otag(h, TAG_TD, "??",
178: "colspan", hspans, "rowspan", vspans);
1.20 schwarze 179: else if (halign == NULL)
1.21 schwarze 180: print_otag(h, TAG_TD, "??s",
181: "colspan", hspans, "rowspan", vspans,
1.20 schwarze 182: "vertical-align", valign);
183: else if (valign == NULL)
1.21 schwarze 184: print_otag(h, TAG_TD, "??s",
185: "colspan", hspans, "rowspan", vspans,
1.20 schwarze 186: "text-align", halign);
187: else
1.21 schwarze 188: print_otag(h, TAG_TD, "??ss",
189: "colspan", hspans, "rowspan", vspans,
1.20 schwarze 190: "vertical-align", valign,
191: "text-align", halign);
1.21 schwarze 192: if (dp->string != NULL)
193: print_text(h, dp->string);
1.2 schwarze 194: }
1.1 schwarze 195: break;
196: }
197:
1.4 schwarze 198: print_tagq(h, tt);
199:
1.2 schwarze 200: h->flags &= ~HTML_NONOSPACE;
1.1 schwarze 201:
1.11 schwarze 202: if (sp->next == NULL) {
1.2 schwarze 203: assert(h->tbl.cols);
204: free(h->tbl.cols);
205: h->tbl.cols = NULL;
1.4 schwarze 206: print_tblclose(h);
1.1 schwarze 207: }
208: }
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