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<?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);
}

/home/megadansyp/www/eace8/../plugins/../../www/libraries/src/Language/LanguageStemmer.php