Annotation of mandoc/tbl.c, Revision 1.28
1.28 ! schwarze 1: /* $Id: tbl.c,v 1.27 2013/05/31 22:08:09 schwarze Exp $ */
1.1 kristaps 2: /*
1.22 schwarze 3: * Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
4: * Copyright (c) 2011 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: #ifdef HAVE_CONFIG_H
19: #include "config.h"
20: #endif
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:
33: enum rofferr
1.17 kristaps 34: tbl_read(struct tbl_node *tbl, int ln, const char *p, int offs)
1.1 kristaps 35: {
36: int len;
37: const char *cp;
38:
39: cp = &p[offs];
40: len = (int)strlen(cp);
41:
1.5 kristaps 42: /*
43: * If we're in the options section and we don't have a
44: * terminating semicolon, assume we've moved directly into the
45: * layout section. No need to report a warning: this is,
46: * apparently, standard behaviour.
47: */
48:
49: if (TBL_PART_OPTS == tbl->part && len)
1.1 kristaps 50: if (';' != cp[len - 1])
51: tbl->part = TBL_PART_LAYOUT;
1.5 kristaps 52:
53: /* Now process each logical section of the table. */
54:
55: switch (tbl->part) {
56: case (TBL_PART_OPTS):
57: return(tbl_option(tbl, ln, p) ? ROFF_IGN : ROFF_ERR);
1.6 kristaps 58: case (TBL_PART_LAYOUT):
59: return(tbl_layout(tbl, ln, p) ? ROFF_IGN : ROFF_ERR);
1.21 kristaps 60: case (TBL_PART_CDATA):
61: return(tbl_cdata(tbl, ln, p) ? ROFF_TBL : ROFF_IGN);
62: default:
1.5 kristaps 63: break;
1.8 kristaps 64: }
65:
1.12 kristaps 66: /*
67: * This only returns zero if the line is empty, so we ignore it
68: * and continue on.
1.9 kristaps 69: */
1.12 kristaps 70: return(tbl_data(tbl, ln, p) ? ROFF_TBL : ROFF_IGN);
1.1 kristaps 71: }
72:
1.17 kristaps 73: struct tbl_node *
1.23 kristaps 74: tbl_alloc(int pos, int line, struct mparse *parse)
1.1 kristaps 75: {
1.27 schwarze 76: struct tbl_node *tbl;
1.1 kristaps 77:
1.27 schwarze 78: tbl = mandoc_calloc(1, sizeof(struct tbl_node));
79: tbl->line = line;
80: tbl->pos = pos;
81: tbl->parse = parse;
82: tbl->part = TBL_PART_OPTS;
83: tbl->opts.tab = '\t';
84: tbl->opts.linesize = 12;
85: tbl->opts.decimal = '.';
86: return(tbl);
1.1 kristaps 87: }
88:
89: void
1.27 schwarze 90: tbl_free(struct tbl_node *tbl)
1.1 kristaps 91: {
1.10 kristaps 92: struct tbl_row *rp;
93: struct tbl_cell *cp;
94: struct tbl_span *sp;
95: struct tbl_dat *dp;
1.15 kristaps 96: struct tbl_head *hp;
1.1 kristaps 97:
1.27 schwarze 98: while (NULL != (rp = tbl->first_row)) {
99: tbl->first_row = rp->next;
1.10 kristaps 100: while (rp->first) {
101: cp = rp->first;
102: rp->first = cp->next;
103: free(cp);
104: }
105: free(rp);
106: }
1.1 kristaps 107:
1.27 schwarze 108: while (NULL != (sp = tbl->first_span)) {
109: tbl->first_span = sp->next;
1.10 kristaps 110: while (sp->first) {
111: dp = sp->first;
112: sp->first = dp->next;
113: if (dp->string)
114: free(dp->string);
115: free(dp);
116: }
117: free(sp);
1.15 kristaps 118: }
119:
1.27 schwarze 120: while (NULL != (hp = tbl->first_head)) {
121: tbl->first_head = hp->next;
1.15 kristaps 122: free(hp);
1.10 kristaps 123: }
1.1 kristaps 124:
1.27 schwarze 125: free(tbl);
1.7 kristaps 126: }
127:
128: void
1.17 kristaps 129: tbl_restart(int line, int pos, struct tbl_node *tbl)
1.7 kristaps 130: {
1.21 kristaps 131: if (TBL_PART_CDATA == tbl->part)
1.23 kristaps 132: mandoc_msg(MANDOCERR_TBLBLOCK, tbl->parse,
133: tbl->line, tbl->pos, NULL);
1.7 kristaps 134:
135: tbl->part = TBL_PART_LAYOUT;
1.14 kristaps 136: tbl->line = line;
137: tbl->pos = pos;
138:
139: if (NULL == tbl->first_span || NULL == tbl->first_span->first)
1.23 kristaps 140: mandoc_msg(MANDOCERR_TBLNODATA, tbl->parse,
141: tbl->line, tbl->pos, NULL);
1.1 kristaps 142: }
1.3 kristaps 143:
1.11 kristaps 144: const struct tbl_span *
1.22 schwarze 145: tbl_span(struct tbl_node *tbl)
1.11 kristaps 146: {
1.22 schwarze 147: struct tbl_span *span;
1.11 kristaps 148:
149: assert(tbl);
1.22 schwarze 150: span = tbl->current_span ? tbl->current_span->next
151: : tbl->first_span;
152: if (span)
153: tbl->current_span = span;
154: return(span);
1.13 kristaps 155: }
156:
157: void
1.26 kristaps 158: tbl_end(struct tbl_node **tblp)
1.13 kristaps 159: {
1.26 kristaps 160: struct tbl_node *tbl;
161:
162: tbl = *tblp;
163: *tblp = NULL;
1.13 kristaps 164:
165: if (NULL == tbl->first_span || NULL == tbl->first_span->first)
1.23 kristaps 166: mandoc_msg(MANDOCERR_TBLNODATA, tbl->parse,
167: tbl->line, tbl->pos, NULL);
1.18 kristaps 168:
169: if (tbl->last_span)
170: tbl->last_span->flags |= TBL_SPAN_LAST;
1.21 kristaps 171:
172: if (TBL_PART_CDATA == tbl->part)
1.23 kristaps 173: mandoc_msg(MANDOCERR_TBLBLOCK, tbl->parse,
174: tbl->line, tbl->pos, NULL);
1.16 kristaps 175: }
176:
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