Annotation of mandoc/tbl.c, Revision 1.24
1.24 ! kristaps 1: /* $Id: tbl.c,v 1.23 2011/03/20 16:02:05 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: */
18: #include <assert.h>
1.3 kristaps 19: #include <stdio.h>
1.1 kristaps 20: #include <stdlib.h>
21: #include <string.h>
22: #include <time.h>
23:
24: #include "mandoc.h"
25: #include "libmandoc.h"
26: #include "libroff.h"
27:
28: enum rofferr
1.17 kristaps 29: tbl_read(struct tbl_node *tbl, int ln, const char *p, int offs)
1.1 kristaps 30: {
31: int len;
32: const char *cp;
33:
34: cp = &p[offs];
35: len = (int)strlen(cp);
36:
1.5 kristaps 37: /*
38: * If we're in the options section and we don't have a
39: * terminating semicolon, assume we've moved directly into the
40: * layout section. No need to report a warning: this is,
41: * apparently, standard behaviour.
42: */
43:
44: if (TBL_PART_OPTS == tbl->part && len)
1.1 kristaps 45: if (';' != cp[len - 1])
46: tbl->part = TBL_PART_LAYOUT;
1.5 kristaps 47:
48: /* Now process each logical section of the table. */
49:
50: switch (tbl->part) {
51: case (TBL_PART_OPTS):
52: return(tbl_option(tbl, ln, p) ? ROFF_IGN : ROFF_ERR);
1.6 kristaps 53: case (TBL_PART_LAYOUT):
54: return(tbl_layout(tbl, ln, p) ? ROFF_IGN : ROFF_ERR);
1.21 kristaps 55: case (TBL_PART_CDATA):
56: return(tbl_cdata(tbl, ln, p) ? ROFF_TBL : ROFF_IGN);
57: default:
1.5 kristaps 58: break;
1.8 kristaps 59: }
60:
1.12 kristaps 61: /*
62: * This only returns zero if the line is empty, so we ignore it
63: * and continue on.
1.9 kristaps 64: */
1.12 kristaps 65: return(tbl_data(tbl, ln, p) ? ROFF_TBL : ROFF_IGN);
1.1 kristaps 66: }
67:
1.17 kristaps 68: struct tbl_node *
1.23 kristaps 69: tbl_alloc(int pos, int line, struct mparse *parse)
1.1 kristaps 70: {
1.17 kristaps 71: struct tbl_node *p;
1.1 kristaps 72:
1.17 kristaps 73: p = mandoc_calloc(1, sizeof(struct tbl_node));
1.13 kristaps 74: p->line = line;
75: p->pos = pos;
1.23 kristaps 76: p->parse = parse;
1.10 kristaps 77: p->part = TBL_PART_OPTS;
1.17 kristaps 78: p->opts.tab = '\t';
79: p->opts.linesize = 12;
80: p->opts.decimal = '.';
1.1 kristaps 81: return(p);
82: }
83:
84: void
1.17 kristaps 85: tbl_free(struct tbl_node *p)
1.1 kristaps 86: {
1.10 kristaps 87: struct tbl_row *rp;
88: struct tbl_cell *cp;
89: struct tbl_span *sp;
90: struct tbl_dat *dp;
1.15 kristaps 91: struct tbl_head *hp;
1.1 kristaps 92:
1.15 kristaps 93: while (NULL != (rp = p->first_row)) {
1.10 kristaps 94: p->first_row = rp->next;
95: while (rp->first) {
96: cp = rp->first;
97: rp->first = cp->next;
98: free(cp);
99: }
100: free(rp);
101: }
1.1 kristaps 102:
1.15 kristaps 103: while (NULL != (sp = p->first_span)) {
1.10 kristaps 104: p->first_span = sp->next;
105: while (sp->first) {
106: dp = sp->first;
107: sp->first = dp->next;
108: if (dp->string)
109: free(dp->string);
110: free(dp);
111: }
112: free(sp);
1.15 kristaps 113: }
114:
115: while (NULL != (hp = p->first_head)) {
116: p->first_head = hp->next;
117: free(hp);
1.10 kristaps 118: }
1.1 kristaps 119:
1.10 kristaps 120: free(p);
1.7 kristaps 121: }
122:
123: void
1.17 kristaps 124: tbl_restart(int line, int pos, struct tbl_node *tbl)
1.7 kristaps 125: {
1.21 kristaps 126: if (TBL_PART_CDATA == tbl->part)
1.23 kristaps 127: mandoc_msg(MANDOCERR_TBLBLOCK, tbl->parse,
128: tbl->line, tbl->pos, NULL);
1.7 kristaps 129:
130: tbl->part = TBL_PART_LAYOUT;
1.14 kristaps 131: tbl->line = line;
132: tbl->pos = pos;
133:
134: if (NULL == tbl->first_span || NULL == tbl->first_span->first)
1.23 kristaps 135: mandoc_msg(MANDOCERR_TBLNODATA, tbl->parse,
136: tbl->line, tbl->pos, NULL);
1.1 kristaps 137: }
1.3 kristaps 138:
1.11 kristaps 139: const struct tbl_span *
1.22 schwarze 140: tbl_span(struct tbl_node *tbl)
1.11 kristaps 141: {
1.22 schwarze 142: struct tbl_span *span;
1.11 kristaps 143:
144: assert(tbl);
1.22 schwarze 145: span = tbl->current_span ? tbl->current_span->next
146: : tbl->first_span;
147: if (span)
148: tbl->current_span = span;
149: return(span);
1.13 kristaps 150: }
151:
152: void
1.17 kristaps 153: tbl_end(struct tbl_node *tbl)
1.13 kristaps 154: {
155:
156: if (NULL == tbl->first_span || NULL == tbl->first_span->first)
1.23 kristaps 157: mandoc_msg(MANDOCERR_TBLNODATA, tbl->parse,
158: tbl->line, tbl->pos, NULL);
1.18 kristaps 159:
160: if (tbl->last_span)
161: tbl->last_span->flags |= TBL_SPAN_LAST;
1.21 kristaps 162:
163: if (TBL_PART_CDATA == tbl->part)
1.23 kristaps 164: mandoc_msg(MANDOCERR_TBLBLOCK, tbl->parse,
165: tbl->line, tbl->pos, NULL);
1.16 kristaps 166: }
167:
CVSweb