/**
* Evaluates the given binding expression on the component's context.
*
* <p>This method is an **extension hook** that allows a subclass to modify the evaluation result.
* > <p>**Ex.** see the {@see Text} component.
*
* @param Expression $bindExp
* @return mixed
* @throws ComponentException
* @throws DataBindingException
*/
protected function evalBinding(Expression $bindExp)
{
$binder = $this->getDataBinder();
if (!$binder) {
_log()->warning("No binder is set for evaluating an expression on a " . $this->getTagName() . " component");
return null;
}
try {
/** @var Component $this */
return $bindExp->evaluate($binder);
} catch (\Exception $e) {
self::evalError($e, $bindExp);
} catch (\Error $e) {
self::evalError($e, $bindExp);
}
}
