Annotation of src/usr.bin/mandoc/tbl.c, Revision 1.25
1.25 ! schwarze 1: /* $OpenBSD: tbl.c,v 1.24 2018/12/12 21:54:30 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 *
1.25 ! schwarze 89: tbl_alloc(int pos, int line, struct mparse *parse, 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->parse = parse;
99: tbl->part = TBL_PART_OPTS;
100: tbl->opts.tab = '\t';
101: tbl->opts.decimal = '.';
1.21 schwarze 102: return tbl;
1.1 schwarze 103: }
104:
105: void
1.8 schwarze 106: tbl_free(struct tbl_node *tbl)
1.1 schwarze 107: {
1.25 ! schwarze 108: struct tbl_node *old_tbl;
1.4 schwarze 109: struct tbl_row *rp;
110: struct tbl_cell *cp;
111: struct tbl_span *sp;
112: struct tbl_dat *dp;
113:
1.25 ! schwarze 114: while (tbl != NULL) {
! 115: while ((rp = tbl->first_row) != NULL) {
! 116: tbl->first_row = rp->next;
! 117: while (rp->first != NULL) {
! 118: cp = rp->first;
! 119: rp->first = cp->next;
! 120: free(cp->wstr);
! 121: free(cp);
! 122: }
! 123: free(rp);
1.4 schwarze 124: }
1.25 ! schwarze 125: while ((sp = tbl->first_span) != NULL) {
! 126: tbl->first_span = sp->next;
! 127: while (sp->first != NULL) {
! 128: dp = sp->first;
! 129: sp->first = dp->next;
! 130: free(dp->string);
! 131: free(dp);
! 132: }
! 133: free(sp);
1.4 schwarze 134: }
1.25 ! schwarze 135: old_tbl = tbl;
! 136: tbl = tbl->next;
! 137: free(old_tbl);
1.1 schwarze 138: }
139: }
140:
1.4 schwarze 141: void
142: tbl_restart(int line, int pos, struct tbl_node *tbl)
1.1 schwarze 143: {
1.17 schwarze 144: if (tbl->part == TBL_PART_CDATA)
145: mandoc_msg(MANDOCERR_TBLDATA_BLK, tbl->parse,
146: line, pos, "T&");
1.1 schwarze 147:
1.4 schwarze 148: tbl->part = TBL_PART_LAYOUT;
149: tbl->line = line;
150: tbl->pos = pos;
1.1 schwarze 151: }
152:
1.25 ! schwarze 153: struct tbl_span *
1.5 schwarze 154: tbl_span(struct tbl_node *tbl)
1.1 schwarze 155: {
1.5 schwarze 156: struct tbl_span *span;
1.1 schwarze 157:
1.5 schwarze 158: span = tbl->current_span ? tbl->current_span->next
159: : tbl->first_span;
1.25 ! schwarze 160: if (span != NULL)
1.5 schwarze 161: tbl->current_span = span;
1.21 schwarze 162: return span;
1.1 schwarze 163: }
164:
1.17 schwarze 165: int
1.25 ! schwarze 166: tbl_end(struct tbl_node *tbl, int still_open)
1.1 schwarze 167: {
1.15 schwarze 168: struct tbl_span *sp;
1.1 schwarze 169:
1.25 ! schwarze 170: if (still_open)
! 171: mandoc_msg(MANDOCERR_BLK_NOEND, tbl->parse,
! 172: tbl->line, tbl->pos, "TS");
! 173: else if (tbl->part == TBL_PART_CDATA)
1.17 schwarze 174: mandoc_msg(MANDOCERR_TBLDATA_BLK, tbl->parse,
175: tbl->line, tbl->pos, "TE");
176:
1.15 schwarze 177: sp = tbl->first_span;
178: while (sp != NULL && sp->first == NULL)
179: sp = sp->next;
1.17 schwarze 180: if (sp == NULL) {
181: mandoc_msg(MANDOCERR_TBLDATA_NONE, tbl->parse,
1.10 schwarze 182: tbl->line, tbl->pos, NULL);
1.21 schwarze 183: return 0;
1.17 schwarze 184: }
1.21 schwarze 185: return 1;
1.1 schwarze 186: }
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