rename to pod2diogenes
[diogenes.git] / include / diogenes / diogenes.flagset.inc.php
... / ...
CommitLineData
1<?php
2/*
3 * Copyright (C) 2003-2004 Polytechnique.org
4 * http://opensource.polytechnique.org/
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20
21
22/** class for describing flags
23 */
24class flagset {
25 /** string that holds the flagset */
26 var $value;
27
28 /** the boundary between flags */
29 var $sep = ",";
30
31
32 /** set flag
33 * @param $flags services FROM coupures
34 * @return VOID
35 */
36 function flagset( $flags="" ) {
37 $this->value = $flags;
38 }
39
40
41 /** add flag
42 * @param $flag XXX
43 * @return VOID
44 */
45 function addflag($flag) {
46 if (!$flag) return;
47 if (!$this->hasflag($flag)) {
48 if ($this->value)
49 $this->value .= $this->sep;
50 $this->value .= $flag;
51 }
52 }
53
54
55 /** return all active flags
56 * @return array
57 */
58
59 function as_array()
60 {
61 if ($this->value) {
62 $arr = explode($this->sep, $this->value);
63 } else {
64 $arr = array();
65 }
66 return $arr;
67 }
68
69
70 /** test if a flag is set
71 * @param $flag XXX
72 * @return 1 || 0
73 */
74 function hasflag($flag) {
75 $tok = strtok($this->value,$this->sep);
76 while ($tok) {
77 if ($tok==$flag) return 1;
78 $tok = strtok($this->sep);
79 }
80 return 0;
81 }
82
83
84 /** remove flag
85 * @param $flag XXX
86 * @return VOID
87 */
88 function rmflag($flag) {
89 if (!$flag) return;
90 $newvalue = "";
91 $tok = strtok($this->value,$this->sep);
92 while ($tok) {
93 if ($tok!=$flag) {
94 if ($newvalue)
95 $newvalue .= $this->sep;
96 $newvalue .= $tok;
97 }
98 $tok = strtok($this->sep);
99 }
100 $this->value=$newvalue;
101 }
102
103}
104
105?>