Annotation of src/usr.bin/mandoc/tbl_html.c, Revision 1.21
1.21 ! schwarze 1: /* $OpenBSD: tbl_html.c,v 1.20 2018/11/24 23:03:13 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);
1.21 ! schwarze 127: switch (dp->layout->pos) {
! 128: case TBL_CELL_SPAN:
! 129: case TBL_CELL_DOWN:
1.10 schwarze 130: continue;
1.21 ! schwarze 131: default:
! 132: break;
1.20 schwarze 133: }
1.21 ! schwarze 134:
! 135: /* Determine the attribute values. */
! 136:
! 137: if (dp->hspans > 0) {
! 138: (void)snprintf(hbuf, sizeof(hbuf),
! 139: "%d", dp->hspans + 1);
! 140: hspans = hbuf;
! 141: } else
! 142: hspans = NULL;
! 143: if (dp->vspans > 0) {
! 144: (void)snprintf(vbuf, sizeof(vbuf),
! 145: "%d", dp->vspans + 1);
! 146: vspans = vbuf;
! 147: } else
! 148: vspans = NULL;
! 149:
1.20 schwarze 150: switch (dp->layout->pos) {
151: case TBL_CELL_CENTRE:
152: halign = "center";
153: break;
154: case TBL_CELL_RIGHT:
155: case TBL_CELL_NUMBER:
156: halign = "right";
157: break;
158: default:
159: halign = NULL;
160: break;
161: }
162: if (dp->layout->flags & TBL_CELL_TALIGN)
163: valign = "top";
164: else if (dp->layout->flags & TBL_CELL_BALIGN)
165: valign = "bottom";
166: else
167: valign = NULL;
1.21 ! schwarze 168:
! 169: /* Print the element and the attributes. */
! 170:
1.20 schwarze 171: if (halign == NULL && valign == NULL)
1.21 ! schwarze 172: print_otag(h, TAG_TD, "??",
! 173: "colspan", hspans, "rowspan", vspans);
1.20 schwarze 174: else if (halign == NULL)
1.21 ! schwarze 175: print_otag(h, TAG_TD, "??s",
! 176: "colspan", hspans, "rowspan", vspans,
1.20 schwarze 177: "vertical-align", valign);
178: else if (valign == NULL)
1.21 ! schwarze 179: print_otag(h, TAG_TD, "??s",
! 180: "colspan", hspans, "rowspan", vspans,
1.20 schwarze 181: "text-align", halign);
182: else
1.21 ! schwarze 183: print_otag(h, TAG_TD, "??ss",
! 184: "colspan", hspans, "rowspan", vspans,
1.20 schwarze 185: "vertical-align", valign,
186: "text-align", halign);
1.21 ! schwarze 187: if (dp->string != NULL)
! 188: print_text(h, dp->string);
1.2 schwarze 189: }
1.1 schwarze 190: break;
191: }
192:
1.4 schwarze 193: print_tagq(h, tt);
194:
1.2 schwarze 195: h->flags &= ~HTML_NONOSPACE;
1.1 schwarze 196:
1.11 schwarze 197: if (sp->next == NULL) {
1.2 schwarze 198: assert(h->tbl.cols);
199: free(h->tbl.cols);
200: h->tbl.cols = NULL;
1.4 schwarze 201: print_tblclose(h);
1.1 schwarze 202: }
203: }
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