/**
* Required by the Removable interface.
*/
public function remove(LoggerInterface $logger)
{
$hasRemovableElements = $this->configuration->get('element-blacklist') != '';
$hasRemovableTypes = $this->configuration->get('type-blacklist') != '';
foreach ($this->children as $child) {
// Check types.
if ($hasRemovableTypes && !$this->configuration->isAllowedType($child->getType())) {
$logger->debug('Removing ' . $child . ' on type blacklist.');
$this->removeChild($child);
continue;
}
// Check elements.
if ($hasRemovableElements && $child instanceof Element && !$this->configuration->isAllowedElement($child->getName())) {
$logger->debug('Removing ' . $child . ' on element blacklist.');
$this->removeChild($child);
continue;
}
// Check children.
if ($child instanceof Removable) {
$child->remove($logger);
}
}
}
