0x1998 - MANAGER
Edit File: LanguageStemmer.php
<?php /** * Joomla! Content Management System * * @copyright (C) 2012 Open Source Matters, Inc. <https://www.joomla.org> * @license GNU General Public License version 2 or later; see LICENSE.txt */ namespace Joomla\CMS\Language; defined('JPATH_PLATFORM') or die; /** * Stemmer base class. * * @since 3.0.0 * @deprecated 4.0 Use wamania/php-stemmer */ abstract class LanguageStemmer { /** * An internal cache of stemmed tokens. * * @var array * @since 3.0.0 */ protected $cache = array(); /** * @var array LanguageStemmer instances. * @since 3.0.0 */ protected static $instances = array(); /** * Method to get a stemmer, creating it if necessary. * * @param string $adapter The type of stemmer to load. * * @return LanguageStemmer A LanguageStemmer instance. * * @since 3.0.0 * @throws \RuntimeException on invalid stemmer. */ public static function getInstance($adapter) { // Only create one stemmer for each adapter. if (isset(self::$instances[$adapter])) { return self::$instances[$adapter]; } // Setup the adapter for the stemmer. $class = 'Joomla\\CMS\\Language\\Stemmer\\' . ucfirst(trim($adapter)); // Check if a stemmer exists for the adapter. if (!class_exists($class)) { // Throw invalid adapter exception. throw new \RuntimeException(\JText::sprintf('JLIB_STEMMER_INVALID_STEMMER', $adapter)); } self::$instances[$adapter] = new $class; return self::$instances[$adapter]; } /** * Method to stem a token and return the root. * * @param string $token The token to stem. * @param string $lang The language of the token. * * @return string The root token. * * @since 3.0.0 */ abstract public function stem($token, $lang); }