annotate vendor/phpunit/php-token-stream/src/Token/Stream/CachingFactory.php @ 19:fa3358dc1485 tip

Add ndrum files
author Chris Cannam
date Wed, 28 Aug 2019 13:14:47 +0100
parents 1fec387a4317
children
rev   line source
Chris@0 1 <?php
Chris@0 2 /*
Chris@14 3 * This file is part of php-token-stream.
Chris@0 4 *
Chris@0 5 * (c) Sebastian Bergmann <sebastian@phpunit.de>
Chris@0 6 *
Chris@0 7 * For the full copyright and license information, please view the LICENSE
Chris@0 8 * file that was distributed with this source code.
Chris@0 9 */
Chris@0 10
Chris@0 11 /**
Chris@0 12 * A caching factory for token stream objects.
Chris@0 13 */
Chris@0 14 class PHP_Token_Stream_CachingFactory
Chris@0 15 {
Chris@0 16 /**
Chris@0 17 * @var array
Chris@0 18 */
Chris@14 19 protected static $cache = [];
Chris@0 20
Chris@0 21 /**
Chris@14 22 * @param string $filename
Chris@14 23 *
Chris@0 24 * @return PHP_Token_Stream
Chris@0 25 */
Chris@0 26 public static function get($filename)
Chris@0 27 {
Chris@0 28 if (!isset(self::$cache[$filename])) {
Chris@0 29 self::$cache[$filename] = new PHP_Token_Stream($filename);
Chris@0 30 }
Chris@0 31
Chris@0 32 return self::$cache[$filename];
Chris@0 33 }
Chris@0 34
Chris@0 35 /**
Chris@0 36 * @param string $filename
Chris@0 37 */
Chris@0 38 public static function clear($filename = null)
Chris@0 39 {
Chris@0 40 if (is_string($filename)) {
Chris@0 41 unset(self::$cache[$filename]);
Chris@0 42 } else {
Chris@14 43 self::$cache = [];
Chris@0 44 }
Chris@0 45 }
Chris@0 46 }