/**
* Implements corresponding isValidXX logic.
*
* @param string $context Please see corresponding isValidXX description.
* @param string $input Please see corresponding isValidXX description.
* @param int $maxLength Please see corresponding isValidXX description.
* @param bool $allowNull Please see corresponding isValidXX description.
*
* @return does not return a value.
* @throws ValidationException thrown if input is invalid.
* @throws IntrusionException thrown if intrusion is detected.
*/
private function _assertValidHTML($context, $input, $maxLength, $allowNull)
{
$hvr = new HTMLValidationRule('HTML_Validator', $this->_encoder);
$hvr->setMaximumLength($maxLength);
$hvr->setAllowNull($allowNull);
$hvr->assertValid($context, $input);
return null;
}
