Annotation of mandoc/tbl.c, Revision 1.20
1.20 ! kristaps 1: /* $Id: tbl.c,v 1.19 2011/01/02 20:34:05 kristaps Exp $ */
1.1 kristaps 2: /*
1.4 kristaps 3: * Copyright (c) 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
1.1 kristaps 4: *
5: * Permission to use, copy, modify, and distribute this software for any
6: * purpose with or without fee is hereby granted, provided that the above
7: * copyright notice and this permission notice appear in all copies.
8: *
9: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16: */
17: #include <assert.h>
1.3 kristaps 18: #include <stdio.h>
1.1 kristaps 19: #include <stdlib.h>
20: #include <string.h>
21: #include <time.h>
22:
23: #include "mandoc.h"
24: #include "roff.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);
1.8 kristaps 55: case (TBL_PART_DATA):
1.5 kristaps 56: break;
1.8 kristaps 57: }
58:
1.12 kristaps 59: /*
60: * This only returns zero if the line is empty, so we ignore it
61: * and continue on.
1.9 kristaps 62: */
1.12 kristaps 63: return(tbl_data(tbl, ln, p) ? ROFF_TBL : ROFF_IGN);
1.1 kristaps 64: }
65:
1.17 kristaps 66: struct tbl_node *
1.13 kristaps 67: tbl_alloc(int pos, int line, void *data, const mandocmsg msg)
1.1 kristaps 68: {
1.17 kristaps 69: struct tbl_node *p;
1.1 kristaps 70:
1.17 kristaps 71: p = mandoc_calloc(1, sizeof(struct tbl_node));
1.13 kristaps 72: p->line = line;
73: p->pos = pos;
1.5 kristaps 74: p->data = data;
75: p->msg = msg;
1.10 kristaps 76: p->part = TBL_PART_OPTS;
1.17 kristaps 77: p->opts.tab = '\t';
78: p->opts.linesize = 12;
79: p->opts.decimal = '.';
1.1 kristaps 80: return(p);
81: }
82:
83: void
1.17 kristaps 84: tbl_free(struct tbl_node *p)
1.1 kristaps 85: {
1.10 kristaps 86: struct tbl_row *rp;
87: struct tbl_cell *cp;
88: struct tbl_span *sp;
89: struct tbl_dat *dp;
1.15 kristaps 90: struct tbl_head *hp;
1.1 kristaps 91:
1.15 kristaps 92: while (NULL != (rp = p->first_row)) {
1.10 kristaps 93: p->first_row = rp->next;
94: while (rp->first) {
95: cp = rp->first;
96: rp->first = cp->next;
97: free(cp);
98: }
99: free(rp);
100: }
1.1 kristaps 101:
1.15 kristaps 102: while (NULL != (sp = p->first_span)) {
1.10 kristaps 103: p->first_span = sp->next;
104: while (sp->first) {
105: dp = sp->first;
106: sp->first = dp->next;
107: if (dp->string)
108: free(dp->string);
109: free(dp);
110: }
111: free(sp);
1.15 kristaps 112: }
113:
114: while (NULL != (hp = p->first_head)) {
115: p->first_head = hp->next;
116: free(hp);
1.10 kristaps 117: }
1.1 kristaps 118:
1.10 kristaps 119: free(p);
1.7 kristaps 120: }
121:
122: void
1.17 kristaps 123: tbl_restart(int line, int pos, struct tbl_node *tbl)
1.7 kristaps 124: {
125:
126: tbl->part = TBL_PART_LAYOUT;
1.14 kristaps 127: tbl->line = line;
128: tbl->pos = pos;
129:
130: if (NULL == tbl->first_span || NULL == tbl->first_span->first)
131: TBL_MSG(tbl, MANDOCERR_TBLNODATA, tbl->line, tbl->pos);
1.1 kristaps 132: }
1.3 kristaps 133:
1.11 kristaps 134: const struct tbl_span *
1.17 kristaps 135: tbl_span(const struct tbl_node *tbl)
1.11 kristaps 136: {
137:
138: assert(tbl);
139: return(tbl->last_span);
1.13 kristaps 140: }
141:
142: void
1.17 kristaps 143: tbl_end(struct tbl_node *tbl)
1.13 kristaps 144: {
145:
146: if (NULL == tbl->first_span || NULL == tbl->first_span->first)
147: TBL_MSG(tbl, MANDOCERR_TBLNODATA, tbl->line, tbl->pos);
1.18 kristaps 148:
149: if (tbl->last_span)
150: tbl->last_span->flags |= TBL_SPAN_LAST;
1.16 kristaps 151: }
152:
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