Annotation of src/usr.bin/mandoc/tbl.c, Revision 1.27
1.27 ! schwarze 1: /* $OpenBSD: tbl.c,v 1.26 2018/12/14 05:17:45 schwarze Exp $ */
1.1 schwarze 2: /*
1.4 schwarze 3: * Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.14 schwarze 4: * Copyright (c) 2011, 2015 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: */
1.11 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>
1.4 schwarze 24: #include <time.h>
1.1 schwarze 25:
1.24 schwarze 26: #include "mandoc_aux.h"
1.4 schwarze 27: #include "mandoc.h"
1.24 schwarze 28: #include "tbl.h"
1.4 schwarze 29: #include "libmandoc.h"
1.25 schwarze 30: #include "tbl_parse.h"
31: #include "tbl_int.h"
1.1 schwarze 32:
1.10 schwarze 33:
1.23 schwarze 34: void
1.16 schwarze 35: tbl_read(struct tbl_node *tbl, int ln, const char *p, int pos)
1.1 schwarze 36: {
1.4 schwarze 37: const char *cp;
1.14 schwarze 38: int active;
1.1 schwarze 39:
1.4 schwarze 40: /*
1.14 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.
1.4 schwarze 44: */
1.1 schwarze 45:
1.14 schwarze 46: if (tbl->part == TBL_PART_OPTS) {
47: tbl->part = TBL_PART_LAYOUT;
48: active = 1;
1.16 schwarze 49: for (cp = p + pos; *cp != '\0'; cp++) {
1.14 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 == ';') {
1.16 schwarze 67: tbl_option(tbl, ln, p, &pos);
68: if (p[pos] == '\0')
1.23 schwarze 69: return;
1.14 schwarze 70: }
71: }
1.1 schwarze 72:
1.14 schwarze 73: /* Process the other section types. */
1.1 schwarze 74:
75: switch (tbl->part) {
1.10 schwarze 76: case TBL_PART_LAYOUT:
1.16 schwarze 77: tbl_layout(tbl, ln, p, pos);
1.23 schwarze 78: break;
1.10 schwarze 79: case TBL_PART_CDATA:
1.23 schwarze 80: tbl_cdata(tbl, ln, p, pos);
81: break;
1.1 schwarze 82: default:
1.23 schwarze 83: tbl_data(tbl, ln, p, pos);
1.1 schwarze 84: break;
85: }
86: }
87:
1.4 schwarze 88: struct tbl_node *
1.27 ! schwarze 89: tbl_alloc(int pos, int line, struct tbl_node *last_tbl)
1.1 schwarze 90: {
1.8 schwarze 91: struct tbl_node *tbl;
1.1 schwarze 92:
1.18 schwarze 93: tbl = mandoc_calloc(1, sizeof(*tbl));
1.25 schwarze 94: if (last_tbl != NULL)
95: last_tbl->next = tbl;
1.8 schwarze 96: tbl->line = line;
97: tbl->pos = pos;
98: tbl->part = TBL_PART_OPTS;
99: tbl->opts.tab = '\t';
100: tbl->opts.decimal = '.';
1.21 schwarze 101: return tbl;
1.1 schwarze 102: }
103:
104: void
1.8 schwarze 105: tbl_free(struct tbl_node *tbl)
1.1 schwarze 106: {
1.25 schwarze 107: struct tbl_node *old_tbl;
1.4 schwarze 108: struct tbl_row *rp;
109: struct tbl_cell *cp;
110: struct tbl_span *sp;
111: struct tbl_dat *dp;
112:
1.25 schwarze 113: while (tbl != NULL) {
114: while ((rp = tbl->first_row) != NULL) {
115: tbl->first_row = rp->next;
116: while (rp->first != NULL) {
117: cp = rp->first;
118: rp->first = cp->next;
119: free(cp->wstr);
120: free(cp);
121: }
122: free(rp);
1.4 schwarze 123: }
1.25 schwarze 124: while ((sp = tbl->first_span) != NULL) {
125: tbl->first_span = sp->next;
126: while (sp->first != NULL) {
127: dp = sp->first;
128: sp->first = dp->next;
129: free(dp->string);
130: free(dp);
131: }
132: free(sp);
1.4 schwarze 133: }
1.25 schwarze 134: old_tbl = tbl;
135: tbl = tbl->next;
136: free(old_tbl);
1.1 schwarze 137: }
138: }
139:
1.4 schwarze 140: void
141: tbl_restart(int line, int pos, struct tbl_node *tbl)
1.1 schwarze 142: {
1.17 schwarze 143: if (tbl->part == TBL_PART_CDATA)
1.26 schwarze 144: mandoc_msg(MANDOCERR_TBLDATA_BLK, line, pos, "T&");
1.1 schwarze 145:
1.4 schwarze 146: tbl->part = TBL_PART_LAYOUT;
147: tbl->line = line;
148: tbl->pos = pos;
1.1 schwarze 149: }
150:
1.25 schwarze 151: struct tbl_span *
1.5 schwarze 152: tbl_span(struct tbl_node *tbl)
1.1 schwarze 153: {
1.5 schwarze 154: struct tbl_span *span;
1.1 schwarze 155:
1.5 schwarze 156: span = tbl->current_span ? tbl->current_span->next
157: : tbl->first_span;
1.25 schwarze 158: if (span != NULL)
1.5 schwarze 159: tbl->current_span = span;
1.21 schwarze 160: return span;
1.1 schwarze 161: }
162:
1.17 schwarze 163: int
1.25 schwarze 164: tbl_end(struct tbl_node *tbl, int still_open)
1.1 schwarze 165: {
1.15 schwarze 166: struct tbl_span *sp;
1.1 schwarze 167:
1.25 schwarze 168: if (still_open)
1.26 schwarze 169: mandoc_msg(MANDOCERR_BLK_NOEND, tbl->line, tbl->pos, "TS");
1.25 schwarze 170: else if (tbl->part == TBL_PART_CDATA)
1.26 schwarze 171: mandoc_msg(MANDOCERR_TBLDATA_BLK, tbl->line, tbl->pos, "TE");
1.17 schwarze 172:
1.15 schwarze 173: sp = tbl->first_span;
174: while (sp != NULL && sp->first == NULL)
175: sp = sp->next;
1.17 schwarze 176: if (sp == NULL) {
1.26 schwarze 177: mandoc_msg(MANDOCERR_TBLDATA_NONE, tbl->line, tbl->pos, NULL);
1.21 schwarze 178: return 0;
1.17 schwarze 179: }
1.21 schwarze 180: return 1;
1.1 schwarze 181: }
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