Commit | Line | Data |
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7cca6eec | 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 | */ | |
2b1ee50b | 24 | class Flagset |
25 | { | |
26 | /** string that holds the flagset */ | |
27 | private $value; | |
7cca6eec | 28 | |
2b1ee50b | 29 | /** the boundary between flags */ |
30 | private $sep = ","; | |
7cca6eec | 31 | |
32 | ||
2b1ee50b | 33 | /** set flag |
34 | * @param $flags services FROM coupures | |
35 | * @return VOID | |
36 | */ | |
37 | public function __construct($flags = "") | |
38 | { | |
39 | $this->value = $flags; | |
40 | } | |
7cca6eec | 41 | |
42 | ||
2b1ee50b | 43 | /** add flag |
44 | * @param $flag XXX | |
45 | * @return VOID | |
46 | */ | |
eaf30d86 | 47 | public function addFlag($flag) |
2b1ee50b | 48 | { |
49 | if (!$flag) return; | |
50 | if (!$this->hasflag($flag)) { | |
51 | if ($this->value) | |
52 | $this->value .= $this->sep; | |
53 | $this->value .= $flag; | |
54 | } | |
7cca6eec | 55 | } |
7cca6eec | 56 | |
57 | ||
2b1ee50b | 58 | /** test si flag ou pas |
59 | * @param $flag XXX | |
60 | * @return 1 || 0 | |
61 | */ | |
eaf30d86 | 62 | public function hasFlag($flag) |
2b1ee50b | 63 | { |
64 | $tok = strtok($this->value,$this->sep); | |
65 | while ($tok) { | |
66 | if ($tok==$flag) return 1; | |
67 | $tok = strtok($this->sep); | |
68 | } | |
69 | return 0; | |
7cca6eec | 70 | } |
7cca6eec | 71 | |
aa5836d7 | 72 | /** test flag combination |
73 | */ | |
74 | public function hasFlagCombination($flag) | |
75 | { | |
76 | $perms = explode(',', $flag); | |
77 | foreach ($perms as $perm) | |
eaf30d86 PH |
78 | { |
79 | $ok = true; | |
aa5836d7 | 80 | $rights = explode(':', $perm); |
81 | foreach ($rights as $right) { | |
82 | if (($right{0} == '!' && $this->hasFlag(substr($right, 1))) || !$this->hasFlag($right)) { | |
83 | $ok = false; | |
84 | } | |
85 | } | |
86 | if ($ok) { | |
87 | return true; | |
eaf30d86 | 88 | } |
aa5836d7 | 89 | } |
eaf30d86 | 90 | return false; |
aa5836d7 | 91 | } |
7cca6eec | 92 | |
2b1ee50b | 93 | /** remove flag |
94 | * @param $flag XXX | |
95 | * @return VOID | |
96 | */ | |
eaf30d86 | 97 | public function rmFlag($flag) |
2b1ee50b | 98 | { |
99 | if (!$flag) return; | |
100 | $newvalue = ""; | |
101 | $tok = strtok($this->value,$this->sep); | |
102 | while ($tok) { | |
103 | if ($tok!=$flag) { | |
104 | if ($newvalue) | |
105 | $newvalue .= $this->sep; | |
106 | $newvalue .= $tok; | |
107 | } | |
108 | $tok = strtok($this->sep); | |
109 | } | |
110 | $this->value=$newvalue; | |
7cca6eec | 111 | } |
7cca6eec | 112 | |
bf517daf | 113 | /** return the flagset |
114 | */ | |
115 | public function flags() | |
116 | { | |
117 | return $this->value; | |
118 | } | |
eaf30d86 | 119 | } |
7cca6eec | 120 | |
a7de4ef7 | 121 | // vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8: |
7cca6eec | 122 | ?> |