Annotation of mandoc/tbl.c, Revision 1.42
1.42 ! schwarze 1: /* $Id: tbl.c,v 1.41 2017/06/08 18:11:22 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:
28: #include "mandoc.h"
1.28 schwarze 29: #include "mandoc_aux.h"
1.1 kristaps 30: #include "libmandoc.h"
31: #include "libroff.h"
32:
1.29 schwarze 33:
1.42 ! schwarze 34: void
1.35 schwarze 35: tbl_read(struct tbl_node *tbl, int ln, const char *p, int pos)
1.1 kristaps 36: {
37: const char *cp;
1.33 schwarze 38: int active;
1.1 kristaps 39:
1.5 kristaps 40: /*
1.33 schwarze 41: * In the options section, proceed to the layout section
42: * after a semicolon, or right away if there is no semicolon.
43: * Ignore semicolons in arguments.
1.5 kristaps 44: */
45:
1.33 schwarze 46: if (tbl->part == TBL_PART_OPTS) {
47: tbl->part = TBL_PART_LAYOUT;
48: active = 1;
1.35 schwarze 49: for (cp = p + pos; *cp != '\0'; cp++) {
1.33 schwarze 50: switch (*cp) {
51: case '(':
52: active = 0;
53: continue;
54: case ')':
55: active = 1;
56: continue;
57: case ';':
58: if (active)
59: break;
60: continue;
61: default:
62: continue;
63: }
64: break;
65: }
66: if (*cp == ';') {
1.35 schwarze 67: tbl_option(tbl, ln, p, &pos);
68: if (p[pos] == '\0')
1.42 ! schwarze 69: return;
1.33 schwarze 70: }
71: }
1.5 kristaps 72:
1.33 schwarze 73: /* Process the other section types. */
1.5 kristaps 74:
75: switch (tbl->part) {
1.29 schwarze 76: case TBL_PART_LAYOUT:
1.35 schwarze 77: tbl_layout(tbl, ln, p, pos);
1.42 ! schwarze 78: break;
1.29 schwarze 79: case TBL_PART_CDATA:
1.42 ! schwarze 80: tbl_cdata(tbl, ln, p, pos);
! 81: break;
1.21 kristaps 82: default:
1.42 ! schwarze 83: tbl_data(tbl, ln, p, pos);
1.5 kristaps 84: break;
1.8 kristaps 85: }
1.1 kristaps 86: }
87:
1.17 kristaps 88: struct tbl_node *
1.23 kristaps 89: tbl_alloc(int pos, int line, struct mparse *parse)
1.1 kristaps 90: {
1.27 schwarze 91: struct tbl_node *tbl;
1.1 kristaps 92:
1.37 schwarze 93: tbl = mandoc_calloc(1, sizeof(*tbl));
1.27 schwarze 94: tbl->line = line;
95: tbl->pos = pos;
96: tbl->parse = parse;
97: tbl->part = TBL_PART_OPTS;
98: tbl->opts.tab = '\t';
99: tbl->opts.decimal = '.';
1.40 schwarze 100: return tbl;
1.1 kristaps 101: }
102:
103: void
1.27 schwarze 104: tbl_free(struct tbl_node *tbl)
1.1 kristaps 105: {
1.10 kristaps 106: struct tbl_row *rp;
107: struct tbl_cell *cp;
108: struct tbl_span *sp;
109: struct tbl_dat *dp;
1.1 kristaps 110:
1.37 schwarze 111: while ((rp = tbl->first_row) != NULL) {
1.27 schwarze 112: tbl->first_row = rp->next;
1.37 schwarze 113: while (rp->first != NULL) {
1.10 kristaps 114: cp = rp->first;
115: rp->first = cp->next;
1.41 schwarze 116: free(cp->wstr);
1.10 kristaps 117: free(cp);
118: }
119: free(rp);
120: }
1.1 kristaps 121:
1.37 schwarze 122: while ((sp = tbl->first_span) != NULL) {
1.27 schwarze 123: tbl->first_span = sp->next;
1.37 schwarze 124: while (sp->first != NULL) {
1.10 kristaps 125: dp = sp->first;
126: sp->first = dp->next;
1.37 schwarze 127: free(dp->string);
1.10 kristaps 128: free(dp);
129: }
130: free(sp);
131: }
1.1 kristaps 132:
1.27 schwarze 133: free(tbl);
1.7 kristaps 134: }
135:
136: void
1.17 kristaps 137: tbl_restart(int line, int pos, struct tbl_node *tbl)
1.7 kristaps 138: {
1.36 schwarze 139: if (tbl->part == TBL_PART_CDATA)
140: mandoc_msg(MANDOCERR_TBLDATA_BLK, tbl->parse,
141: line, pos, "T&");
1.7 kristaps 142:
143: tbl->part = TBL_PART_LAYOUT;
1.14 kristaps 144: tbl->line = line;
145: tbl->pos = pos;
1.1 kristaps 146: }
1.3 kristaps 147:
1.11 kristaps 148: const struct tbl_span *
1.22 schwarze 149: tbl_span(struct tbl_node *tbl)
1.11 kristaps 150: {
1.22 schwarze 151: struct tbl_span *span;
1.11 kristaps 152:
153: assert(tbl);
1.22 schwarze 154: span = tbl->current_span ? tbl->current_span->next
155: : tbl->first_span;
156: if (span)
157: tbl->current_span = span;
1.40 schwarze 158: return span;
1.13 kristaps 159: }
160:
1.36 schwarze 161: int
1.42 ! schwarze 162: tbl_end(struct tbl_node *tbl)
1.13 kristaps 163: {
1.34 schwarze 164: struct tbl_span *sp;
1.13 kristaps 165:
1.36 schwarze 166: if (tbl->part == TBL_PART_CDATA)
167: mandoc_msg(MANDOCERR_TBLDATA_BLK, tbl->parse,
168: tbl->line, tbl->pos, "TE");
169:
1.34 schwarze 170: sp = tbl->first_span;
171: while (sp != NULL && sp->first == NULL)
172: sp = sp->next;
1.36 schwarze 173: if (sp == NULL) {
174: mandoc_msg(MANDOCERR_TBLDATA_NONE, tbl->parse,
1.29 schwarze 175: tbl->line, tbl->pos, NULL);
1.40 schwarze 176: return 0;
1.36 schwarze 177: }
1.40 schwarze 178: return 1;
1.16 kristaps 179: }
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