Annotation of mandoc/tbl.c, Revision 1.29
1.29 ! schwarze 1: /* $Id: tbl.c,v 1.28 2014/03/23 11:25:26 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:
1.29 ! schwarze 33:
1.1 kristaps 34: enum rofferr
1.17 kristaps 35: tbl_read(struct tbl_node *tbl, int ln, const char *p, int offs)
1.1 kristaps 36: {
37: int len;
38: const char *cp;
39:
40: cp = &p[offs];
41: len = (int)strlen(cp);
42:
1.5 kristaps 43: /*
44: * If we're in the options section and we don't have a
45: * terminating semicolon, assume we've moved directly into the
46: * layout section. No need to report a warning: this is,
47: * apparently, standard behaviour.
48: */
49:
50: if (TBL_PART_OPTS == tbl->part && len)
1.1 kristaps 51: if (';' != cp[len - 1])
52: tbl->part = TBL_PART_LAYOUT;
1.5 kristaps 53:
54: /* Now process each logical section of the table. */
55:
56: switch (tbl->part) {
1.29 ! schwarze 57: case TBL_PART_OPTS:
1.5 kristaps 58: return(tbl_option(tbl, ln, p) ? ROFF_IGN : ROFF_ERR);
1.29 ! schwarze 59: case TBL_PART_LAYOUT:
1.6 kristaps 60: return(tbl_layout(tbl, ln, p) ? ROFF_IGN : ROFF_ERR);
1.29 ! schwarze 61: case TBL_PART_CDATA:
1.21 kristaps 62: return(tbl_cdata(tbl, ln, p) ? ROFF_TBL : ROFF_IGN);
63: default:
1.5 kristaps 64: break;
1.8 kristaps 65: }
66:
1.12 kristaps 67: /*
68: * This only returns zero if the line is empty, so we ignore it
69: * and continue on.
1.9 kristaps 70: */
1.12 kristaps 71: return(tbl_data(tbl, ln, p) ? ROFF_TBL : ROFF_IGN);
1.1 kristaps 72: }
73:
1.17 kristaps 74: struct tbl_node *
1.23 kristaps 75: tbl_alloc(int pos, int line, struct mparse *parse)
1.1 kristaps 76: {
1.27 schwarze 77: struct tbl_node *tbl;
1.1 kristaps 78:
1.27 schwarze 79: tbl = mandoc_calloc(1, sizeof(struct tbl_node));
80: tbl->line = line;
81: tbl->pos = pos;
82: tbl->parse = parse;
83: tbl->part = TBL_PART_OPTS;
84: tbl->opts.tab = '\t';
85: tbl->opts.linesize = 12;
86: tbl->opts.decimal = '.';
87: return(tbl);
1.1 kristaps 88: }
89:
90: void
1.27 schwarze 91: tbl_free(struct tbl_node *tbl)
1.1 kristaps 92: {
1.10 kristaps 93: struct tbl_row *rp;
94: struct tbl_cell *cp;
95: struct tbl_span *sp;
96: struct tbl_dat *dp;
1.15 kristaps 97: struct tbl_head *hp;
1.1 kristaps 98:
1.27 schwarze 99: while (NULL != (rp = tbl->first_row)) {
100: tbl->first_row = rp->next;
1.10 kristaps 101: while (rp->first) {
102: cp = rp->first;
103: rp->first = cp->next;
104: free(cp);
105: }
106: free(rp);
107: }
1.1 kristaps 108:
1.27 schwarze 109: while (NULL != (sp = tbl->first_span)) {
110: tbl->first_span = sp->next;
1.10 kristaps 111: while (sp->first) {
112: dp = sp->first;
113: sp->first = dp->next;
114: if (dp->string)
115: free(dp->string);
116: free(dp);
117: }
118: free(sp);
1.15 kristaps 119: }
120:
1.27 schwarze 121: while (NULL != (hp = tbl->first_head)) {
122: tbl->first_head = hp->next;
1.15 kristaps 123: free(hp);
1.10 kristaps 124: }
1.1 kristaps 125:
1.27 schwarze 126: free(tbl);
1.7 kristaps 127: }
128:
129: void
1.17 kristaps 130: tbl_restart(int line, int pos, struct tbl_node *tbl)
1.7 kristaps 131: {
1.21 kristaps 132: if (TBL_PART_CDATA == tbl->part)
1.29 ! schwarze 133: mandoc_msg(MANDOCERR_TBLBLOCK, tbl->parse,
! 134: tbl->line, tbl->pos, NULL);
1.7 kristaps 135:
136: tbl->part = TBL_PART_LAYOUT;
1.14 kristaps 137: tbl->line = line;
138: tbl->pos = pos;
139:
140: if (NULL == tbl->first_span || NULL == tbl->first_span->first)
1.23 kristaps 141: mandoc_msg(MANDOCERR_TBLNODATA, tbl->parse,
1.29 ! schwarze 142: tbl->line, tbl->pos, NULL);
1.1 kristaps 143: }
1.3 kristaps 144:
1.11 kristaps 145: const struct tbl_span *
1.22 schwarze 146: tbl_span(struct tbl_node *tbl)
1.11 kristaps 147: {
1.22 schwarze 148: struct tbl_span *span;
1.11 kristaps 149:
150: assert(tbl);
1.22 schwarze 151: span = tbl->current_span ? tbl->current_span->next
152: : tbl->first_span;
153: if (span)
154: tbl->current_span = span;
155: return(span);
1.13 kristaps 156: }
157:
158: void
1.26 kristaps 159: tbl_end(struct tbl_node **tblp)
1.13 kristaps 160: {
1.26 kristaps 161: struct tbl_node *tbl;
162:
163: tbl = *tblp;
164: *tblp = NULL;
1.13 kristaps 165:
166: if (NULL == tbl->first_span || NULL == tbl->first_span->first)
1.29 ! schwarze 167: mandoc_msg(MANDOCERR_TBLNODATA, tbl->parse,
! 168: tbl->line, tbl->pos, NULL);
1.18 kristaps 169:
170: if (tbl->last_span)
171: tbl->last_span->flags |= TBL_SPAN_LAST;
1.21 kristaps 172:
173: if (TBL_PART_CDATA == tbl->part)
1.29 ! schwarze 174: mandoc_msg(MANDOCERR_TBLBLOCK, tbl->parse,
! 175: tbl->line, tbl->pos, NULL);
1.16 kristaps 176: }
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