Annotation of mandoc/tbl.c, Revision 1.12
1.12 ! kristaps 1: /* $Id: tbl.c,v 1.11 2010/12/31 18:19:43 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
29: tbl_read(struct tbl *tbl, int ln, const char *p, int offs)
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:
66: struct tbl *
1.5 kristaps 67: tbl_alloc(void *data, const mandocmsg msg)
1.1 kristaps 68: {
69: struct tbl *p;
70:
1.6 kristaps 71: p = mandoc_calloc(1, sizeof(struct tbl));
1.5 kristaps 72: p->data = data;
73: p->msg = msg;
1.10 kristaps 74: p->part = TBL_PART_OPTS;
75: p->tab = '\t';
76: p->linesize = 12;
77: p->decimal = '.';
1.1 kristaps 78: return(p);
79: }
80:
81: void
82: tbl_free(struct tbl *p)
83: {
1.10 kristaps 84: struct tbl_row *rp;
85: struct tbl_cell *cp;
86: struct tbl_span *sp;
87: struct tbl_dat *dp;
1.1 kristaps 88:
1.10 kristaps 89: while (p->first_row) {
90: rp = p->first_row;
91: p->first_row = rp->next;
92: while (rp->first) {
93: cp = rp->first;
94: rp->first = cp->next;
95: free(cp);
96: }
97: free(rp);
98: }
1.1 kristaps 99:
1.10 kristaps 100: while (p->first_span) {
101: sp = p->first_span;
102: p->first_span = sp->next;
103: while (sp->first) {
104: dp = sp->first;
105: sp->first = dp->next;
106: if (dp->string)
107: free(dp->string);
108: free(dp);
109: }
110: free(sp);
111: }
1.1 kristaps 112:
1.10 kristaps 113: free(p);
1.7 kristaps 114: }
115:
116: void
117: tbl_restart(struct tbl *tbl)
118: {
119:
120: tbl->part = TBL_PART_LAYOUT;
1.1 kristaps 121: }
1.3 kristaps 122:
1.11 kristaps 123: const struct tbl_span *
124: tbl_span(const struct tbl *tbl)
125: {
126:
127: assert(tbl);
128: return(tbl->last_span);
129: }
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