Annotation of src/usr.bin/mandoc/tbl.c, Revision 1.12
1.12 ! schwarze 1: /* $OpenBSD: tbl.c,v 1.11 2014/11/28 19:25:03 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: */
1.11 schwarze 18: #include <sys/types.h>
19:
1.1 schwarze 20: #include <assert.h>
21: #include <stdio.h>
22: #include <stdlib.h>
23: #include <string.h>
1.4 schwarze 24: #include <time.h>
1.1 schwarze 25:
1.4 schwarze 26: #include "mandoc.h"
1.9 schwarze 27: #include "mandoc_aux.h"
1.4 schwarze 28: #include "libmandoc.h"
29: #include "libroff.h"
1.1 schwarze 30:
1.10 schwarze 31:
1.4 schwarze 32: enum rofferr
33: tbl_read(struct tbl_node *tbl, int ln, const char *p, int offs)
1.1 schwarze 34: {
1.4 schwarze 35: int len;
36: const char *cp;
1.1 schwarze 37:
1.4 schwarze 38: cp = &p[offs];
39: len = (int)strlen(cp);
1.1 schwarze 40:
1.4 schwarze 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: */
1.1 schwarze 47:
1.4 schwarze 48: if (TBL_PART_OPTS == tbl->part && len)
49: if (';' != cp[len - 1])
50: tbl->part = TBL_PART_LAYOUT;
1.1 schwarze 51:
1.4 schwarze 52: /* Now process each logical section of the table. */
1.1 schwarze 53:
54: switch (tbl->part) {
1.10 schwarze 55: case TBL_PART_OPTS:
1.12 ! schwarze 56: tbl_option(tbl, ln, p);
! 57: return(ROFF_IGN);
1.10 schwarze 58: case TBL_PART_LAYOUT:
1.12 ! schwarze 59: tbl_layout(tbl, ln, p);
! 60: return(ROFF_IGN);
1.10 schwarze 61: case TBL_PART_CDATA:
1.4 schwarze 62: return(tbl_cdata(tbl, ln, p) ? ROFF_TBL : ROFF_IGN);
1.1 schwarze 63: default:
64: break;
65: }
66:
67: /*
1.4 schwarze 68: * This only returns zero if the line is empty, so we ignore it
69: * and continue on.
1.1 schwarze 70: */
1.4 schwarze 71: return(tbl_data(tbl, ln, p) ? ROFF_TBL : ROFF_IGN);
1.1 schwarze 72: }
73:
1.4 schwarze 74: struct tbl_node *
1.6 schwarze 75: tbl_alloc(int pos, int line, struct mparse *parse)
1.1 schwarze 76: {
1.8 schwarze 77: struct tbl_node *tbl;
1.1 schwarze 78:
1.8 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 schwarze 88: }
89:
90: void
1.8 schwarze 91: tbl_free(struct tbl_node *tbl)
1.1 schwarze 92: {
1.4 schwarze 93: struct tbl_row *rp;
94: struct tbl_cell *cp;
95: struct tbl_span *sp;
96: struct tbl_dat *dp;
97: struct tbl_head *hp;
98:
1.8 schwarze 99: while (NULL != (rp = tbl->first_row)) {
100: tbl->first_row = rp->next;
1.4 schwarze 101: while (rp->first) {
102: cp = rp->first;
103: rp->first = cp->next;
104: free(cp);
105: }
106: free(rp);
1.1 schwarze 107: }
108:
1.8 schwarze 109: while (NULL != (sp = tbl->first_span)) {
110: tbl->first_span = sp->next;
1.4 schwarze 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);
1.1 schwarze 119: }
120:
1.8 schwarze 121: while (NULL != (hp = tbl->first_head)) {
122: tbl->first_head = hp->next;
1.4 schwarze 123: free(hp);
1.1 schwarze 124: }
125:
1.8 schwarze 126: free(tbl);
1.1 schwarze 127: }
128:
1.4 schwarze 129: void
130: tbl_restart(int line, int pos, struct tbl_node *tbl)
1.1 schwarze 131: {
1.4 schwarze 132: if (TBL_PART_CDATA == tbl->part)
1.10 schwarze 133: mandoc_msg(MANDOCERR_TBLBLOCK, tbl->parse,
134: tbl->line, tbl->pos, NULL);
1.1 schwarze 135:
1.4 schwarze 136: tbl->part = TBL_PART_LAYOUT;
137: tbl->line = line;
138: tbl->pos = pos;
1.1 schwarze 139:
1.4 schwarze 140: if (NULL == tbl->first_span || NULL == tbl->first_span->first)
1.6 schwarze 141: mandoc_msg(MANDOCERR_TBLNODATA, tbl->parse,
1.10 schwarze 142: tbl->line, tbl->pos, NULL);
1.1 schwarze 143: }
144:
1.4 schwarze 145: const struct tbl_span *
1.5 schwarze 146: tbl_span(struct tbl_node *tbl)
1.1 schwarze 147: {
1.5 schwarze 148: struct tbl_span *span;
1.1 schwarze 149:
1.4 schwarze 150: assert(tbl);
1.5 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);
1.1 schwarze 156: }
157:
1.4 schwarze 158: void
1.7 schwarze 159: tbl_end(struct tbl_node **tblp)
1.1 schwarze 160: {
1.7 schwarze 161: struct tbl_node *tbl;
162:
163: tbl = *tblp;
164: *tblp = NULL;
1.1 schwarze 165:
1.4 schwarze 166: if (NULL == tbl->first_span || NULL == tbl->first_span->first)
1.10 schwarze 167: mandoc_msg(MANDOCERR_TBLNODATA, tbl->parse,
168: tbl->line, tbl->pos, NULL);
1.1 schwarze 169:
1.4 schwarze 170: if (tbl->last_span)
171: tbl->last_span->flags |= TBL_SPAN_LAST;
1.1 schwarze 172:
1.4 schwarze 173: if (TBL_PART_CDATA == tbl->part)
1.10 schwarze 174: mandoc_msg(MANDOCERR_TBLBLOCK, tbl->parse,
175: tbl->line, tbl->pos, NULL);
1.1 schwarze 176: }
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