Commit | Line | Data |
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7cca6eec | 1 | <?php |
2 | /* | |
a7f778a5 | 3 | * Copyright (C) 2003-2009 Polytechnique.org |
7cca6eec | 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 | */ | |
113f6de8 | 24 | class PlFlagSet |
2b1ee50b | 25 | { |
113f6de8 FB |
26 | /** string that holds the PlFlagSet */ |
27 | private $values = array(); | |
7cca6eec | 28 | |
2b1ee50b | 29 | /** the boundary between flags */ |
113f6de8 | 30 | private $sep; |
7cca6eec | 31 | |
32 | ||
2b1ee50b | 33 | /** set flag |
34 | * @param $flags services FROM coupures | |
35 | * @return VOID | |
36 | */ | |
113f6de8 | 37 | public function __construct($flags = '', $sep = ',') |
2b1ee50b | 38 | { |
113f6de8 FB |
39 | $this->sep = $sep; |
40 | $splitted = explode($sep, $flags); | |
41 | foreach ($splitted as $part) { | |
42 | $this->values[$part] = true; | |
43 | } | |
2b1ee50b | 44 | } |
7cca6eec | 45 | |
46 | ||
2b1ee50b | 47 | /** add flag |
697c955d FB |
48 | * @param $flag name of the flag |
49 | * @param $cond if true, add the flag (default is true), else, ignore. | |
2b1ee50b | 50 | * @return VOID |
51 | */ | |
697c955d | 52 | public function addFlag($flag, $cond = true) |
2b1ee50b | 53 | { |
697c955d | 54 | if (empty($flag) || !$cond) { |
113f6de8 | 55 | return; |
2b1ee50b | 56 | } |
113f6de8 | 57 | $this->values[$flag] = true; |
7cca6eec | 58 | } |
7cca6eec | 59 | |
60 | ||
2b1ee50b | 61 | /** test si flag ou pas |
62 | * @param $flag XXX | |
63 | * @return 1 || 0 | |
64 | */ | |
eaf30d86 | 65 | public function hasFlag($flag) |
2b1ee50b | 66 | { |
113f6de8 | 67 | return !empty($flag) && isset($this->values[$flag]) && $this->values[$flag]; |
7cca6eec | 68 | } |
7cca6eec | 69 | |
aa5836d7 | 70 | /** test flag combination |
71 | */ | |
72 | public function hasFlagCombination($flag) | |
73 | { | |
74 | $perms = explode(',', $flag); | |
75 | foreach ($perms as $perm) | |
eaf30d86 PH |
76 | { |
77 | $ok = true; | |
aa5836d7 | 78 | $rights = explode(':', $perm); |
79 | foreach ($rights as $right) { | |
80 | if (($right{0} == '!' && $this->hasFlag(substr($right, 1))) || !$this->hasFlag($right)) { | |
81 | $ok = false; | |
82 | } | |
83 | } | |
84 | if ($ok) { | |
85 | return true; | |
eaf30d86 | 86 | } |
aa5836d7 | 87 | } |
eaf30d86 | 88 | return false; |
aa5836d7 | 89 | } |
7cca6eec | 90 | |
2b1ee50b | 91 | /** remove flag |
92 | * @param $flag XXX | |
93 | * @return VOID | |
94 | */ | |
eaf30d86 | 95 | public function rmFlag($flag) |
2b1ee50b | 96 | { |
113f6de8 FB |
97 | if (empty($flag)) { |
98 | return; | |
99 | } | |
100 | if (isset($this->values[$flag])) { | |
101 | unset($this->values[$flag]); | |
2b1ee50b | 102 | } |
7cca6eec | 103 | } |
7cca6eec | 104 | |
113f6de8 FB |
105 | |
106 | /** return the PlFlagSet | |
bf517daf | 107 | */ |
108 | public function flags() | |
109 | { | |
113f6de8 FB |
110 | $flags = ''; |
111 | foreach ($this->values as $key=>$value) { | |
112 | if (!empty($flags)) { | |
113 | $flags .= $this->sep; | |
114 | } | |
115 | if ($value) { | |
116 | $flags .= $key; | |
117 | } | |
118 | } | |
119 | return $flags; | |
bf517daf | 120 | } |
eaf30d86 | 121 | } |
7cca6eec | 122 | |
a7de4ef7 | 123 | // vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8: |
7cca6eec | 124 | ?> |