Annotation of src/usr.bin/mandoc/tbl.c, Revision 1.22
1.22 ! schwarze 1: /* $OpenBSD: tbl.c,v 1.21 2015/10/06 18:30:44 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:
1.4 schwarze 26: #include "mandoc.h"
1.9 schwarze 27: #include "mandoc_aux.h"
1.4 schwarze 28: #include "libmandoc.h"
29: #include "libroff.h"
1.1 schwarze 30:
1.10 schwarze 31:
1.4 schwarze 32: enum rofferr
1.16 schwarze 33: tbl_read(struct tbl_node *tbl, int ln, const char *p, int pos)
1.1 schwarze 34: {
1.4 schwarze 35: const char *cp;
1.14 schwarze 36: int active;
1.1 schwarze 37:
1.4 schwarze 38: /*
1.14 schwarze 39: * In the options section, proceed to the layout section
40: * after a semicolon, or right away if there is no semicolon.
41: * Ignore semicolons in arguments.
1.4 schwarze 42: */
1.1 schwarze 43:
1.14 schwarze 44: if (tbl->part == TBL_PART_OPTS) {
45: tbl->part = TBL_PART_LAYOUT;
46: active = 1;
1.16 schwarze 47: for (cp = p + pos; *cp != '\0'; cp++) {
1.14 schwarze 48: switch (*cp) {
49: case '(':
50: active = 0;
51: continue;
52: case ')':
53: active = 1;
54: continue;
55: case ';':
56: if (active)
57: break;
58: continue;
59: default:
60: continue;
61: }
62: break;
63: }
64: if (*cp == ';') {
1.16 schwarze 65: tbl_option(tbl, ln, p, &pos);
66: if (p[pos] == '\0')
1.21 schwarze 67: return ROFF_IGN;
1.14 schwarze 68: }
69: }
1.1 schwarze 70:
1.14 schwarze 71: /* Process the other section types. */
1.1 schwarze 72:
73: switch (tbl->part) {
1.10 schwarze 74: case TBL_PART_LAYOUT:
1.16 schwarze 75: tbl_layout(tbl, ln, p, pos);
1.21 schwarze 76: return ROFF_IGN;
1.10 schwarze 77: case TBL_PART_CDATA:
1.21 schwarze 78: return tbl_cdata(tbl, ln, p, pos) ? ROFF_TBL : ROFF_IGN;
1.1 schwarze 79: default:
80: break;
81: }
82:
1.16 schwarze 83: tbl_data(tbl, ln, p, pos);
1.21 schwarze 84: return ROFF_TBL;
1.1 schwarze 85: }
86:
1.4 schwarze 87: struct tbl_node *
1.6 schwarze 88: tbl_alloc(int pos, int line, struct mparse *parse)
1.1 schwarze 89: {
1.8 schwarze 90: struct tbl_node *tbl;
1.1 schwarze 91:
1.18 schwarze 92: tbl = mandoc_calloc(1, sizeof(*tbl));
1.8 schwarze 93: tbl->line = line;
94: tbl->pos = pos;
95: tbl->parse = parse;
96: tbl->part = TBL_PART_OPTS;
97: tbl->opts.tab = '\t';
98: tbl->opts.decimal = '.';
1.21 schwarze 99: return tbl;
1.1 schwarze 100: }
101:
102: void
1.8 schwarze 103: tbl_free(struct tbl_node *tbl)
1.1 schwarze 104: {
1.4 schwarze 105: struct tbl_row *rp;
106: struct tbl_cell *cp;
107: struct tbl_span *sp;
108: struct tbl_dat *dp;
109:
1.18 schwarze 110: while ((rp = tbl->first_row) != NULL) {
1.8 schwarze 111: tbl->first_row = rp->next;
1.18 schwarze 112: while (rp->first != NULL) {
1.4 schwarze 113: cp = rp->first;
114: rp->first = cp->next;
1.22 ! schwarze 115: free(cp->wstr);
1.4 schwarze 116: free(cp);
117: }
118: free(rp);
1.1 schwarze 119: }
120:
1.18 schwarze 121: while ((sp = tbl->first_span) != NULL) {
1.8 schwarze 122: tbl->first_span = sp->next;
1.18 schwarze 123: while (sp->first != NULL) {
1.4 schwarze 124: dp = sp->first;
125: sp->first = dp->next;
1.18 schwarze 126: free(dp->string);
1.4 schwarze 127: free(dp);
128: }
129: free(sp);
1.1 schwarze 130: }
131:
1.8 schwarze 132: free(tbl);
1.1 schwarze 133: }
134:
1.4 schwarze 135: void
136: tbl_restart(int line, int pos, struct tbl_node *tbl)
1.1 schwarze 137: {
1.17 schwarze 138: if (tbl->part == TBL_PART_CDATA)
139: mandoc_msg(MANDOCERR_TBLDATA_BLK, tbl->parse,
140: line, pos, "T&");
1.1 schwarze 141:
1.4 schwarze 142: tbl->part = TBL_PART_LAYOUT;
143: tbl->line = line;
144: tbl->pos = pos;
1.1 schwarze 145: }
146:
1.4 schwarze 147: const struct tbl_span *
1.5 schwarze 148: tbl_span(struct tbl_node *tbl)
1.1 schwarze 149: {
1.5 schwarze 150: struct tbl_span *span;
1.1 schwarze 151:
1.4 schwarze 152: assert(tbl);
1.5 schwarze 153: span = tbl->current_span ? tbl->current_span->next
154: : tbl->first_span;
155: if (span)
156: tbl->current_span = span;
1.21 schwarze 157: return span;
1.1 schwarze 158: }
159:
1.17 schwarze 160: int
1.7 schwarze 161: tbl_end(struct tbl_node **tblp)
1.1 schwarze 162: {
1.7 schwarze 163: struct tbl_node *tbl;
1.15 schwarze 164: struct tbl_span *sp;
1.7 schwarze 165:
166: tbl = *tblp;
167: *tblp = NULL;
1.1 schwarze 168:
1.17 schwarze 169: if (tbl->part == TBL_PART_CDATA)
170: mandoc_msg(MANDOCERR_TBLDATA_BLK, tbl->parse,
171: tbl->line, tbl->pos, "TE");
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) {
177: mandoc_msg(MANDOCERR_TBLDATA_NONE, tbl->parse,
1.10 schwarze 178: tbl->line, tbl->pos, NULL);
1.21 schwarze 179: return 0;
1.17 schwarze 180: }
1.21 schwarze 181: return 1;
1.1 schwarze 182: }
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