forked from GNUsocial/gnu-social
53 lines
1.6 KiB
PHP
53 lines
1.6 KiB
PHP
<?php
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// {{{ License
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// This file is part of GNU social - https://www.gnu.org/software/social
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//
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// GNU social is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// GNU social is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with GNU social. If not, see <http://www.gnu.org/licenses/>.
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// }}}
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namespace App\Util;
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use App\Util\Exception\ServerException;
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abstract class Bitmap
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{
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public static $consts = null;
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public static function bitmapToStrings(int $r): array
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{
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$init = $r;
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$class = get_called_class();
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$vals = [];
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if (self::$consts == null) {
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self::$consts = (new \ReflectionClass($class))->getConstants();
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unset(self::$consts['PREFIX']);
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}
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foreach (self::$consts as $c => $v) {
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if (($r & $v) !== 0) {
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$r -= $v;
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$vals[] = $class::PREFIX . $c;
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}
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}
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if ($r != 0) {
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Log::error('Bitmap to array conversion failed');
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throw new ServerException("Bug in bitmap conversion for class {$class} from value {$init}");
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}
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return $vals;
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}
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}
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