Annotation of src/usr.bin/mandoc/tbl.c, Revision 1.9
1.9 ! schwarze 1: /* $Id: tbl.c,v 1.8 2013/05/31 22:08:03 schwarze Exp $ */
1.1 schwarze 2: /*
1.4 schwarze 3: * Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.5 schwarze 4: * Copyright (c) 2011 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: */
18: #include <assert.h>
19: #include <stdio.h>
20: #include <stdlib.h>
21: #include <string.h>
1.4 schwarze 22: #include <time.h>
1.1 schwarze 23:
1.4 schwarze 24: #include "mandoc.h"
1.9 ! schwarze 25: #include "mandoc_aux.h"
1.4 schwarze 26: #include "libmandoc.h"
27: #include "libroff.h"
1.1 schwarze 28:
1.4 schwarze 29: enum rofferr
30: tbl_read(struct tbl_node *tbl, int ln, const char *p, int offs)
1.1 schwarze 31: {
1.4 schwarze 32: int len;
33: const char *cp;
1.1 schwarze 34:
1.4 schwarze 35: cp = &p[offs];
36: len = (int)strlen(cp);
1.1 schwarze 37:
1.4 schwarze 38: /*
39: * If we're in the options section and we don't have a
40: * terminating semicolon, assume we've moved directly into the
41: * layout section. No need to report a warning: this is,
42: * apparently, standard behaviour.
43: */
1.1 schwarze 44:
1.4 schwarze 45: if (TBL_PART_OPTS == tbl->part && len)
46: if (';' != cp[len - 1])
47: tbl->part = TBL_PART_LAYOUT;
1.1 schwarze 48:
1.4 schwarze 49: /* Now process each logical section of the table. */
1.1 schwarze 50:
51: switch (tbl->part) {
52: case (TBL_PART_OPTS):
1.4 schwarze 53: return(tbl_option(tbl, ln, p) ? ROFF_IGN : ROFF_ERR);
1.1 schwarze 54: case (TBL_PART_LAYOUT):
1.4 schwarze 55: return(tbl_layout(tbl, ln, p) ? ROFF_IGN : ROFF_ERR);
56: case (TBL_PART_CDATA):
57: return(tbl_cdata(tbl, ln, p) ? ROFF_TBL : ROFF_IGN);
1.1 schwarze 58: default:
59: break;
60: }
61:
62: /*
1.4 schwarze 63: * This only returns zero if the line is empty, so we ignore it
64: * and continue on.
1.1 schwarze 65: */
1.4 schwarze 66: return(tbl_data(tbl, ln, p) ? ROFF_TBL : ROFF_IGN);
1.1 schwarze 67: }
68:
1.4 schwarze 69: struct tbl_node *
1.6 schwarze 70: tbl_alloc(int pos, int line, struct mparse *parse)
1.1 schwarze 71: {
1.8 schwarze 72: struct tbl_node *tbl;
1.1 schwarze 73:
1.8 schwarze 74: tbl = mandoc_calloc(1, sizeof(struct tbl_node));
75: tbl->line = line;
76: tbl->pos = pos;
77: tbl->parse = parse;
78: tbl->part = TBL_PART_OPTS;
79: tbl->opts.tab = '\t';
80: tbl->opts.linesize = 12;
81: tbl->opts.decimal = '.';
82: return(tbl);
1.1 schwarze 83: }
84:
85: void
1.8 schwarze 86: tbl_free(struct tbl_node *tbl)
1.1 schwarze 87: {
1.4 schwarze 88: struct tbl_row *rp;
89: struct tbl_cell *cp;
90: struct tbl_span *sp;
91: struct tbl_dat *dp;
92: struct tbl_head *hp;
93:
1.8 schwarze 94: while (NULL != (rp = tbl->first_row)) {
95: tbl->first_row = rp->next;
1.4 schwarze 96: while (rp->first) {
97: cp = rp->first;
98: rp->first = cp->next;
99: free(cp);
100: }
101: free(rp);
1.1 schwarze 102: }
103:
1.8 schwarze 104: while (NULL != (sp = tbl->first_span)) {
105: tbl->first_span = sp->next;
1.4 schwarze 106: while (sp->first) {
107: dp = sp->first;
108: sp->first = dp->next;
109: if (dp->string)
110: free(dp->string);
111: free(dp);
112: }
113: free(sp);
1.1 schwarze 114: }
115:
1.8 schwarze 116: while (NULL != (hp = tbl->first_head)) {
117: tbl->first_head = hp->next;
1.4 schwarze 118: free(hp);
1.1 schwarze 119: }
120:
1.8 schwarze 121: free(tbl);
1.1 schwarze 122: }
123:
1.4 schwarze 124: void
125: tbl_restart(int line, int pos, struct tbl_node *tbl)
1.1 schwarze 126: {
1.4 schwarze 127: if (TBL_PART_CDATA == tbl->part)
1.6 schwarze 128: mandoc_msg(MANDOCERR_TBLBLOCK, tbl->parse,
129: tbl->line, tbl->pos, NULL);
1.1 schwarze 130:
1.4 schwarze 131: tbl->part = TBL_PART_LAYOUT;
132: tbl->line = line;
133: tbl->pos = pos;
1.1 schwarze 134:
1.4 schwarze 135: if (NULL == tbl->first_span || NULL == tbl->first_span->first)
1.6 schwarze 136: mandoc_msg(MANDOCERR_TBLNODATA, tbl->parse,
137: tbl->line, tbl->pos, NULL);
1.1 schwarze 138: }
139:
1.4 schwarze 140: const struct tbl_span *
1.5 schwarze 141: tbl_span(struct tbl_node *tbl)
1.1 schwarze 142: {
1.5 schwarze 143: struct tbl_span *span;
1.1 schwarze 144:
1.4 schwarze 145: assert(tbl);
1.5 schwarze 146: span = tbl->current_span ? tbl->current_span->next
147: : tbl->first_span;
148: if (span)
149: tbl->current_span = span;
150: return(span);
1.1 schwarze 151: }
152:
1.4 schwarze 153: void
1.7 schwarze 154: tbl_end(struct tbl_node **tblp)
1.1 schwarze 155: {
1.7 schwarze 156: struct tbl_node *tbl;
157:
158: tbl = *tblp;
159: *tblp = NULL;
1.1 schwarze 160:
1.4 schwarze 161: if (NULL == tbl->first_span || NULL == tbl->first_span->first)
1.6 schwarze 162: mandoc_msg(MANDOCERR_TBLNODATA, tbl->parse,
163: tbl->line, tbl->pos, NULL);
1.1 schwarze 164:
1.4 schwarze 165: if (tbl->last_span)
166: tbl->last_span->flags |= TBL_SPAN_LAST;
1.1 schwarze 167:
1.4 schwarze 168: if (TBL_PART_CDATA == tbl->part)
1.6 schwarze 169: mandoc_msg(MANDOCERR_TBLBLOCK, tbl->parse,
170: tbl->line, tbl->pos, NULL);
1.1 schwarze 171: }
172:
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