Annotation of mandoc/tbl.c, Revision 1.31
1.31 ! schwarze 1: /* $Id: tbl.c,v 1.30 2014/08/10 23:54:41 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: #include "config.h"
1.30 schwarze 19:
20: #include <sys/types.h>
1.25 kristaps 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:
1.31 ! schwarze 58: tbl_option(tbl, ln, p);
! 59: return(ROFF_IGN);
1.29 schwarze 60: case TBL_PART_LAYOUT:
1.31 ! schwarze 61: tbl_layout(tbl, ln, p);
! 62: return(ROFF_IGN);
1.29 schwarze 63: case TBL_PART_CDATA:
1.21 kristaps 64: return(tbl_cdata(tbl, ln, p) ? ROFF_TBL : ROFF_IGN);
65: default:
1.5 kristaps 66: break;
1.8 kristaps 67: }
68:
1.12 kristaps 69: /*
70: * This only returns zero if the line is empty, so we ignore it
71: * and continue on.
1.9 kristaps 72: */
1.12 kristaps 73: return(tbl_data(tbl, ln, p) ? ROFF_TBL : ROFF_IGN);
1.1 kristaps 74: }
75:
1.17 kristaps 76: struct tbl_node *
1.23 kristaps 77: tbl_alloc(int pos, int line, struct mparse *parse)
1.1 kristaps 78: {
1.27 schwarze 79: struct tbl_node *tbl;
1.1 kristaps 80:
1.27 schwarze 81: tbl = mandoc_calloc(1, sizeof(struct tbl_node));
82: tbl->line = line;
83: tbl->pos = pos;
84: tbl->parse = parse;
85: tbl->part = TBL_PART_OPTS;
86: tbl->opts.tab = '\t';
87: tbl->opts.linesize = 12;
88: tbl->opts.decimal = '.';
89: return(tbl);
1.1 kristaps 90: }
91:
92: void
1.27 schwarze 93: tbl_free(struct tbl_node *tbl)
1.1 kristaps 94: {
1.10 kristaps 95: struct tbl_row *rp;
96: struct tbl_cell *cp;
97: struct tbl_span *sp;
98: struct tbl_dat *dp;
1.15 kristaps 99: struct tbl_head *hp;
1.1 kristaps 100:
1.27 schwarze 101: while (NULL != (rp = tbl->first_row)) {
102: tbl->first_row = rp->next;
1.10 kristaps 103: while (rp->first) {
104: cp = rp->first;
105: rp->first = cp->next;
106: free(cp);
107: }
108: free(rp);
109: }
1.1 kristaps 110:
1.27 schwarze 111: while (NULL != (sp = tbl->first_span)) {
112: tbl->first_span = sp->next;
1.10 kristaps 113: while (sp->first) {
114: dp = sp->first;
115: sp->first = dp->next;
116: if (dp->string)
117: free(dp->string);
118: free(dp);
119: }
120: free(sp);
1.15 kristaps 121: }
122:
1.27 schwarze 123: while (NULL != (hp = tbl->first_head)) {
124: tbl->first_head = hp->next;
1.15 kristaps 125: free(hp);
1.10 kristaps 126: }
1.1 kristaps 127:
1.27 schwarze 128: free(tbl);
1.7 kristaps 129: }
130:
131: void
1.17 kristaps 132: tbl_restart(int line, int pos, struct tbl_node *tbl)
1.7 kristaps 133: {
1.21 kristaps 134: if (TBL_PART_CDATA == tbl->part)
1.29 schwarze 135: mandoc_msg(MANDOCERR_TBLBLOCK, tbl->parse,
136: tbl->line, tbl->pos, NULL);
1.7 kristaps 137:
138: tbl->part = TBL_PART_LAYOUT;
1.14 kristaps 139: tbl->line = line;
140: tbl->pos = pos;
141:
142: if (NULL == tbl->first_span || NULL == tbl->first_span->first)
1.23 kristaps 143: mandoc_msg(MANDOCERR_TBLNODATA, tbl->parse,
1.29 schwarze 144: tbl->line, tbl->pos, NULL);
1.1 kristaps 145: }
1.3 kristaps 146:
1.11 kristaps 147: const struct tbl_span *
1.22 schwarze 148: tbl_span(struct tbl_node *tbl)
1.11 kristaps 149: {
1.22 schwarze 150: struct tbl_span *span;
1.11 kristaps 151:
152: assert(tbl);
1.22 schwarze 153: span = tbl->current_span ? tbl->current_span->next
154: : tbl->first_span;
155: if (span)
156: tbl->current_span = span;
157: return(span);
1.13 kristaps 158: }
159:
160: void
1.26 kristaps 161: tbl_end(struct tbl_node **tblp)
1.13 kristaps 162: {
1.26 kristaps 163: struct tbl_node *tbl;
164:
165: tbl = *tblp;
166: *tblp = NULL;
1.13 kristaps 167:
168: if (NULL == tbl->first_span || NULL == tbl->first_span->first)
1.29 schwarze 169: mandoc_msg(MANDOCERR_TBLNODATA, tbl->parse,
170: tbl->line, tbl->pos, NULL);
1.18 kristaps 171:
172: if (tbl->last_span)
173: tbl->last_span->flags |= TBL_SPAN_LAST;
1.21 kristaps 174:
175: if (TBL_PART_CDATA == tbl->part)
1.29 schwarze 176: mandoc_msg(MANDOCERR_TBLBLOCK, tbl->parse,
177: tbl->line, tbl->pos, NULL);
1.16 kristaps 178: }
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