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<?php
class langWcu {
	static private $_codeStorage = array();
	static private $_data = array();
	/**
	 * Initialize language for plugin
	 */
	static public function init() {
		//self::$_data = self::extract();
	}
	static public function attach($d) {
		self::$_data = array_merge(self::$_data, self::extract($d));
	}
	static public function extract($d = array('dir' => '', 'langWcu' => '')) {
		$data = array();
		if(isset($d['dir']) && !empty($d['dir']))
			$langDirPath = $d['dir'];
		else if(isset($d['langWcu']) && !empty($d['langWcu']))
			$langDirPath = WCU_LANG_DIR. $d['langWcu']. DS;
		else
			$langDirPath = WCU_LANG_DIR. WCU_WPLANG. DS;

if(is_dir($langDirPath)) {
			$dh = opendir($langDirPath);
			while(($file = readdir($dh)) !== false) {
				if(!in_array($file, array('.', '..')) && !empty($file)) {
					$fileinfo = pathinfo($langDirPath. $file);
					if($fileinfo['extension'] == 'ini') {
						$langArr = parse_ini_file($langDirPath. $file, true);
						if(is_array($langArr) && !empty($langArr)) {
							$normalLangArr = array();
							foreach($langArr as $k => $v) {
								$normalLangArr[ self::unEscKey($k) ] = $v;
							}
							$data = array_merge($data, $normalLangArr);
						}
					}
				}
			}
			closedir($dh);
		}
		if(!is_array($data))	// For some cases
			$data = array();
		return $data;
	}
	/**
	 * Get string for output
	 * @param mixed $name if string given - return it's translation, of array - return translation for each element imploded by " "
	 * @return string if found translation - return translated string, if no - return string $name
	 */
	static public function _($name) {
		if(is_array($name)) {
			$res = array();
			foreach($name as $n) {
				$res[] = self::_($n);
			}
			return implode(' ', $res);
		} elseif(isset(self::$_data[$name])) {
			return self::$_data[$name];
		}
		return $name;
	}
	/**
	 * echo result of _($name) method
	 * @see self::_($name)
	 */
	static public function _e($name) {
		echo self::_($name);
	}
	static public function getData() {
		return self::$_data;
	}
	static public function unEscKey($key) {
		$illegals = self::getIllegalIniChars();
		return str_replace(
				$illegals,
				array_keys($illegals),
				$key);
	}
	static public function escKey($key) {
		$illegals = self::getIllegalIniChars();
		return str_replace(
				array_keys($illegals),
				$illegals,
				$key);
	}
	/**
	 * Illegal characters for keys in .ini files and it's representation for us
	 */
	static public function getIllegalIniChars() {
		return array(
			'?' => '%quest%',
			'{' => '%opening_brace%',
			'}' => '%closing_brace%',
			'|' => '%vertical_bar%',
			'&' => '%ampersand%',
			'~' => '%tilde%',
			'!' => '%exclamation_point%',
			'[' => '%opening_bracket%',
			']' => '%closing_bracket%',
			'(' => '%opening_parenthesis%',
			')' => '%closing_parenthesis%',
			'^' => '%caret%',
			'Yes'	=> '%Yes%',
			'yes'	=> '%yes%',
			'No'	=> '%No%',
			'no'	=> '%no%',
			'none'	=> '%none%',
		);
	}
}