/**
* @param $string
* @param array $context
* @param null|callable $exceptionHandler
* @return string
*/
public function parse($string, $context = array(), $exceptionHandler = null)
{
if (!empty($string)) {
try {
if ($this->_env->getLoader() instanceof IfwPsn_Vendor_Twig_Loader_String) {
$string = $this->_sanitzeString($string);
}
$string = $this->_env->render($string, $context);
} catch (Exception $e) {
// invalid filter handling
if (is_callable($exceptionHandler)) {
call_user_func_array($exceptionHandler, array($e));
} else {
if ($this->_logger instanceof IfwPsn_Wp_Plugin_Logger) {
$this->_logger->err($e->getMessage());
}
}
}
}
return $string;
}
/**
* Checks if a logger exists
*
* @param string|null $name
* @return bool
*/
public function hasLogger($name = null)
{
require_once $this->getPathinfo()->getRootLib() . '/IfwPsn/Wp/Plugin/Logger.php';
return IfwPsn_Wp_Plugin_Logger::hasInstance($this, $name);
}
/**
* Applies twig filters to string
*
* @param string $string
* @param null|IfwPsn_Wp_Plugin_Logger $logger
* @internal param string $filters
* @return string
*/
public static function renderString($string, $logger = null)
{
if (!empty($string)) {
try {
$tpl = self::getStringLoaderInstance();
$string = strtr($string, array('{{ ' => '{{', ' }}' => '}}'));
$string = $tpl->render($string);
} catch (Exception $e) {
// invalid filter handling
if ($logger instanceof IfwPsn_Wp_Plugin_Logger) {
$logger->err($e->getMessage());
}
}
}
return $string;
}
