Annotation of mandoc/tbl.c, Revision 1.27
1.27 ! schwarze 1: /* $Id: tbl.c,v 1.26 2011/07/25 15:37:00 kristaps 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"
29: #include "libmandoc.h"
30: #include "libroff.h"
31:
32: enum rofferr
1.17 kristaps 33: tbl_read(struct tbl_node *tbl, int ln, const char *p, int offs)
1.1 kristaps 34: {
35: int len;
36: const char *cp;
37:
38: cp = &p[offs];
39: len = (int)strlen(cp);
40:
1.5 kristaps 41: /*
42: * If we're in the options section and we don't have a
43: * terminating semicolon, assume we've moved directly into the
44: * layout section. No need to report a warning: this is,
45: * apparently, standard behaviour.
46: */
47:
48: if (TBL_PART_OPTS == tbl->part && len)
1.1 kristaps 49: if (';' != cp[len - 1])
50: tbl->part = TBL_PART_LAYOUT;
1.5 kristaps 51:
52: /* Now process each logical section of the table. */
53:
54: switch (tbl->part) {
55: case (TBL_PART_OPTS):
56: return(tbl_option(tbl, ln, p) ? ROFF_IGN : ROFF_ERR);
1.6 kristaps 57: case (TBL_PART_LAYOUT):
58: return(tbl_layout(tbl, ln, p) ? ROFF_IGN : ROFF_ERR);
1.21 kristaps 59: case (TBL_PART_CDATA):
60: return(tbl_cdata(tbl, ln, p) ? ROFF_TBL : ROFF_IGN);
61: default:
1.5 kristaps 62: break;
1.8 kristaps 63: }
64:
1.12 kristaps 65: /*
66: * This only returns zero if the line is empty, so we ignore it
67: * and continue on.
1.9 kristaps 68: */
1.12 kristaps 69: return(tbl_data(tbl, ln, p) ? ROFF_TBL : ROFF_IGN);
1.1 kristaps 70: }
71:
1.17 kristaps 72: struct tbl_node *
1.23 kristaps 73: tbl_alloc(int pos, int line, struct mparse *parse)
1.1 kristaps 74: {
1.27 ! schwarze 75: struct tbl_node *tbl;
1.1 kristaps 76:
1.27 ! schwarze 77: tbl = mandoc_calloc(1, sizeof(struct tbl_node));
! 78: tbl->line = line;
! 79: tbl->pos = pos;
! 80: tbl->parse = parse;
! 81: tbl->part = TBL_PART_OPTS;
! 82: tbl->opts.tab = '\t';
! 83: tbl->opts.linesize = 12;
! 84: tbl->opts.decimal = '.';
! 85: return(tbl);
1.1 kristaps 86: }
87:
88: void
1.27 ! schwarze 89: tbl_free(struct tbl_node *tbl)
1.1 kristaps 90: {
1.10 kristaps 91: struct tbl_row *rp;
92: struct tbl_cell *cp;
93: struct tbl_span *sp;
94: struct tbl_dat *dp;
1.15 kristaps 95: struct tbl_head *hp;
1.1 kristaps 96:
1.27 ! schwarze 97: while (NULL != (rp = tbl->first_row)) {
! 98: tbl->first_row = rp->next;
1.10 kristaps 99: while (rp->first) {
100: cp = rp->first;
101: rp->first = cp->next;
102: free(cp);
103: }
104: free(rp);
105: }
1.1 kristaps 106:
1.27 ! schwarze 107: while (NULL != (sp = tbl->first_span)) {
! 108: tbl->first_span = sp->next;
1.10 kristaps 109: while (sp->first) {
110: dp = sp->first;
111: sp->first = dp->next;
112: if (dp->string)
113: free(dp->string);
114: free(dp);
115: }
116: free(sp);
1.15 kristaps 117: }
118:
1.27 ! schwarze 119: while (NULL != (hp = tbl->first_head)) {
! 120: tbl->first_head = hp->next;
1.15 kristaps 121: free(hp);
1.10 kristaps 122: }
1.1 kristaps 123:
1.27 ! schwarze 124: free(tbl);
1.7 kristaps 125: }
126:
127: void
1.17 kristaps 128: tbl_restart(int line, int pos, struct tbl_node *tbl)
1.7 kristaps 129: {
1.21 kristaps 130: if (TBL_PART_CDATA == tbl->part)
1.23 kristaps 131: mandoc_msg(MANDOCERR_TBLBLOCK, tbl->parse,
132: tbl->line, tbl->pos, NULL);
1.7 kristaps 133:
134: tbl->part = TBL_PART_LAYOUT;
1.14 kristaps 135: tbl->line = line;
136: tbl->pos = pos;
137:
138: if (NULL == tbl->first_span || NULL == tbl->first_span->first)
1.23 kristaps 139: mandoc_msg(MANDOCERR_TBLNODATA, tbl->parse,
140: tbl->line, tbl->pos, NULL);
1.1 kristaps 141: }
1.3 kristaps 142:
1.11 kristaps 143: const struct tbl_span *
1.22 schwarze 144: tbl_span(struct tbl_node *tbl)
1.11 kristaps 145: {
1.22 schwarze 146: struct tbl_span *span;
1.11 kristaps 147:
148: assert(tbl);
1.22 schwarze 149: span = tbl->current_span ? tbl->current_span->next
150: : tbl->first_span;
151: if (span)
152: tbl->current_span = span;
153: return(span);
1.13 kristaps 154: }
155:
156: void
1.26 kristaps 157: tbl_end(struct tbl_node **tblp)
1.13 kristaps 158: {
1.26 kristaps 159: struct tbl_node *tbl;
160:
161: tbl = *tblp;
162: *tblp = NULL;
1.13 kristaps 163:
164: if (NULL == tbl->first_span || NULL == tbl->first_span->first)
1.23 kristaps 165: mandoc_msg(MANDOCERR_TBLNODATA, tbl->parse,
166: tbl->line, tbl->pos, NULL);
1.18 kristaps 167:
168: if (tbl->last_span)
169: tbl->last_span->flags |= TBL_SPAN_LAST;
1.21 kristaps 170:
171: if (TBL_PART_CDATA == tbl->part)
1.23 kristaps 172: mandoc_msg(MANDOCERR_TBLBLOCK, tbl->parse,
173: tbl->line, tbl->pos, NULL);
1.16 kristaps 174: }
175:
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