3 * Copyright (C) 2003-2011 Polytechnique.org
4 * http://opensource.polytechnique.org/
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.
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.
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
22 /** class for describing flags
24 class PlFlagSet
extends PlAbstractIterable
implements XDBFormat
, PlExportable
26 /** string that holds the PlFlagSet */
27 private $values = array();
29 /** the boundary between flags */
34 * @param $flags services FROM coupures
37 public function __construct($flags = '', $sep = ',')
40 $splitted = explode($sep, $flags);
41 foreach ($splitted as $part) {
43 $this->values
[$part] = true
;
50 * @param $flag name of the flag
51 * @param $cond if true, add the flag (default is true), else, ignore.
54 public function addFlag($flag, $cond = true
)
56 if (empty($flag) ||
!$cond) {
59 $this->values
[$flag] = true
;
63 /** test si flag ou pas
67 public function hasFlag($flag)
69 return !empty($flag) && isset($this->values
[$flag]) && $this->values
[$flag];
72 /** test flag combination
74 public function hasFlagCombination($flag)
76 $perms = explode(',', $flag);
77 foreach ($perms as $perm)
80 $rights = explode(':', $perm);
81 foreach ($rights as $right) {
82 if (($right{0} == '!' && $this->hasFlag(substr($right, 1))) ||
!$this->hasFlag($right)) {
97 public function rmFlag($flag)
102 if (isset($this->values
[$flag])) {
103 unset($this->values
[$flag]);
107 /** Remove all the flags.
109 public function clear()
111 $this->values
= array();
115 /** return the PlFlagSet
117 public function flags()
120 foreach ($this->values
as $key=>$value) {
121 if (!empty($flags)) {
122 $flags .= $this->sep
;
131 /** export the PlFlagSet
133 public function export()
136 foreach ($this->values
as $key=>$value) {
146 public function format()
148 return XDB
::escape($this->flags());
152 /** Build an iterator for this PlFlagSet.
154 public function iterate()
156 return PlIteratorUtils
::fromArray($this->export(), 1, true
);
160 // vim:set et sw=4 sts=4 sws=4 foldmethod=marker fenc=utf-8: