Annotation of mandoc/tbl.c, Revision 1.43
1.43 ! schwarze 1: /* $Id: tbl.c,v 1.42 2017/07/08 17:52:50 schwarze Exp $ */
1.1 kristaps 2: /*
1.22 schwarze 3: * Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.33 schwarze 4: * Copyright (c) 2011, 2015 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: */
1.25 kristaps 18: #include "config.h"
1.30 schwarze 19:
20: #include <sys/types.h>
1.25 kristaps 21:
1.1 kristaps 22: #include <assert.h>
1.3 kristaps 23: #include <stdio.h>
1.1 kristaps 24: #include <stdlib.h>
25: #include <string.h>
26: #include <time.h>
27:
1.43 ! schwarze 28: #include "mandoc_aux.h"
1.1 kristaps 29: #include "mandoc.h"
1.43 ! schwarze 30: #include "tbl.h"
1.1 kristaps 31: #include "libmandoc.h"
32: #include "libroff.h"
33:
1.29 schwarze 34:
1.42 schwarze 35: void
1.35 schwarze 36: tbl_read(struct tbl_node *tbl, int ln, const char *p, int pos)
1.1 kristaps 37: {
38: const char *cp;
1.33 schwarze 39: int active;
1.1 kristaps 40:
1.5 kristaps 41: /*
1.33 schwarze 42: * In the options section, proceed to the layout section
43: * after a semicolon, or right away if there is no semicolon.
44: * Ignore semicolons in arguments.
1.5 kristaps 45: */
46:
1.33 schwarze 47: if (tbl->part == TBL_PART_OPTS) {
48: tbl->part = TBL_PART_LAYOUT;
49: active = 1;
1.35 schwarze 50: for (cp = p + pos; *cp != '\0'; cp++) {
1.33 schwarze 51: switch (*cp) {
52: case '(':
53: active = 0;
54: continue;
55: case ')':
56: active = 1;
57: continue;
58: case ';':
59: if (active)
60: break;
61: continue;
62: default:
63: continue;
64: }
65: break;
66: }
67: if (*cp == ';') {
1.35 schwarze 68: tbl_option(tbl, ln, p, &pos);
69: if (p[pos] == '\0')
1.42 schwarze 70: return;
1.33 schwarze 71: }
72: }
1.5 kristaps 73:
1.33 schwarze 74: /* Process the other section types. */
1.5 kristaps 75:
76: switch (tbl->part) {
1.29 schwarze 77: case TBL_PART_LAYOUT:
1.35 schwarze 78: tbl_layout(tbl, ln, p, pos);
1.42 schwarze 79: break;
1.29 schwarze 80: case TBL_PART_CDATA:
1.42 schwarze 81: tbl_cdata(tbl, ln, p, pos);
82: break;
1.21 kristaps 83: default:
1.42 schwarze 84: tbl_data(tbl, ln, p, pos);
1.5 kristaps 85: break;
1.8 kristaps 86: }
1.1 kristaps 87: }
88:
1.17 kristaps 89: struct tbl_node *
1.23 kristaps 90: tbl_alloc(int pos, int line, struct mparse *parse)
1.1 kristaps 91: {
1.27 schwarze 92: struct tbl_node *tbl;
1.1 kristaps 93:
1.37 schwarze 94: tbl = mandoc_calloc(1, sizeof(*tbl));
1.27 schwarze 95: tbl->line = line;
96: tbl->pos = pos;
97: tbl->parse = parse;
98: tbl->part = TBL_PART_OPTS;
99: tbl->opts.tab = '\t';
100: tbl->opts.decimal = '.';
1.40 schwarze 101: return tbl;
1.1 kristaps 102: }
103:
104: void
1.27 schwarze 105: tbl_free(struct tbl_node *tbl)
1.1 kristaps 106: {
1.10 kristaps 107: struct tbl_row *rp;
108: struct tbl_cell *cp;
109: struct tbl_span *sp;
110: struct tbl_dat *dp;
1.1 kristaps 111:
1.37 schwarze 112: while ((rp = tbl->first_row) != NULL) {
1.27 schwarze 113: tbl->first_row = rp->next;
1.37 schwarze 114: while (rp->first != NULL) {
1.10 kristaps 115: cp = rp->first;
116: rp->first = cp->next;
1.41 schwarze 117: free(cp->wstr);
1.10 kristaps 118: free(cp);
119: }
120: free(rp);
121: }
1.1 kristaps 122:
1.37 schwarze 123: while ((sp = tbl->first_span) != NULL) {
1.27 schwarze 124: tbl->first_span = sp->next;
1.37 schwarze 125: while (sp->first != NULL) {
1.10 kristaps 126: dp = sp->first;
127: sp->first = dp->next;
1.37 schwarze 128: free(dp->string);
1.10 kristaps 129: free(dp);
130: }
131: free(sp);
132: }
1.1 kristaps 133:
1.27 schwarze 134: free(tbl);
1.7 kristaps 135: }
136:
137: void
1.17 kristaps 138: tbl_restart(int line, int pos, struct tbl_node *tbl)
1.7 kristaps 139: {
1.36 schwarze 140: if (tbl->part == TBL_PART_CDATA)
141: mandoc_msg(MANDOCERR_TBLDATA_BLK, tbl->parse,
142: line, pos, "T&");
1.7 kristaps 143:
144: tbl->part = TBL_PART_LAYOUT;
1.14 kristaps 145: tbl->line = line;
146: tbl->pos = pos;
1.1 kristaps 147: }
1.3 kristaps 148:
1.11 kristaps 149: const struct tbl_span *
1.22 schwarze 150: tbl_span(struct tbl_node *tbl)
1.11 kristaps 151: {
1.22 schwarze 152: struct tbl_span *span;
1.11 kristaps 153:
154: assert(tbl);
1.22 schwarze 155: span = tbl->current_span ? tbl->current_span->next
156: : tbl->first_span;
157: if (span)
158: tbl->current_span = span;
1.40 schwarze 159: return span;
1.13 kristaps 160: }
161:
1.36 schwarze 162: int
1.42 schwarze 163: tbl_end(struct tbl_node *tbl)
1.13 kristaps 164: {
1.34 schwarze 165: struct tbl_span *sp;
1.13 kristaps 166:
1.36 schwarze 167: if (tbl->part == TBL_PART_CDATA)
168: mandoc_msg(MANDOCERR_TBLDATA_BLK, tbl->parse,
169: tbl->line, tbl->pos, "TE");
170:
1.34 schwarze 171: sp = tbl->first_span;
172: while (sp != NULL && sp->first == NULL)
173: sp = sp->next;
1.36 schwarze 174: if (sp == NULL) {
175: mandoc_msg(MANDOCERR_TBLDATA_NONE, tbl->parse,
1.29 schwarze 176: tbl->line, tbl->pos, NULL);
1.40 schwarze 177: return 0;
1.36 schwarze 178: }
1.40 schwarze 179: return 1;
1.16 kristaps 180: }
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