Annotation of mandoc/tbl.c, Revision 1.21
1.21 ! kristaps 1: /* $Id: tbl.c,v 1.20 2011/01/03 13:59:21 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);
1.21 ! 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 *
1.13 kristaps 69: tbl_alloc(int pos, int line, void *data, const mandocmsg msg)
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;
1.5 kristaps 76: p->data = data;
77: p->msg = msg;
1.10 kristaps 78: p->part = TBL_PART_OPTS;
1.17 kristaps 79: p->opts.tab = '\t';
80: p->opts.linesize = 12;
81: p->opts.decimal = '.';
1.1 kristaps 82: return(p);
83: }
84:
85: void
1.17 kristaps 86: tbl_free(struct tbl_node *p)
1.1 kristaps 87: {
1.10 kristaps 88: struct tbl_row *rp;
89: struct tbl_cell *cp;
90: struct tbl_span *sp;
91: struct tbl_dat *dp;
1.15 kristaps 92: struct tbl_head *hp;
1.1 kristaps 93:
1.15 kristaps 94: while (NULL != (rp = p->first_row)) {
1.10 kristaps 95: p->first_row = rp->next;
96: while (rp->first) {
97: cp = rp->first;
98: rp->first = cp->next;
99: free(cp);
100: }
101: free(rp);
102: }
1.1 kristaps 103:
1.15 kristaps 104: while (NULL != (sp = p->first_span)) {
1.10 kristaps 105: p->first_span = sp->next;
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);
1.15 kristaps 114: }
115:
116: while (NULL != (hp = p->first_head)) {
117: p->first_head = hp->next;
118: free(hp);
1.10 kristaps 119: }
1.1 kristaps 120:
1.10 kristaps 121: free(p);
1.7 kristaps 122: }
123:
124: void
1.17 kristaps 125: tbl_restart(int line, int pos, struct tbl_node *tbl)
1.7 kristaps 126: {
1.21 ! kristaps 127: if (TBL_PART_CDATA == tbl->part)
! 128: TBL_MSG(tbl, MANDOCERR_TBLBLOCK, tbl->line, tbl->pos);
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)
135: TBL_MSG(tbl, MANDOCERR_TBLNODATA, tbl->line, tbl->pos);
1.1 kristaps 136: }
1.3 kristaps 137:
1.11 kristaps 138: const struct tbl_span *
1.17 kristaps 139: tbl_span(const struct tbl_node *tbl)
1.11 kristaps 140: {
141:
142: assert(tbl);
143: return(tbl->last_span);
1.13 kristaps 144: }
145:
146: void
1.17 kristaps 147: tbl_end(struct tbl_node *tbl)
1.13 kristaps 148: {
149:
150: if (NULL == tbl->first_span || NULL == tbl->first_span->first)
151: TBL_MSG(tbl, MANDOCERR_TBLNODATA, tbl->line, tbl->pos);
1.18 kristaps 152:
153: if (tbl->last_span)
154: tbl->last_span->flags |= TBL_SPAN_LAST;
1.21 ! kristaps 155:
! 156: if (TBL_PART_CDATA == tbl->part)
! 157: TBL_MSG(tbl, MANDOCERR_TBLBLOCK, tbl->line, tbl->pos);
1.16 kristaps 158: }
159:
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