/**
* {@inheritDoc}
*
* @throws ProcessorException If no processor is set.
*/
public function getConfigTreeBuilder()
{
if (null === $this->last) {
throw new ProcessorException('The support() method did not find a processor.');
}
return $this->last->getConfigTreeBuilder();
}
/**
* Processes the configuration definition.
*
* @param array $data The configuration data.
* @param mixed $resource A resource.
* @param string $type The resource type.
* @param boolean $require Require processing?
*
* @return array The processed configuration data.
*
* @throws ProcessorException If the processor could not be used and it is
* require that one be used.
*/
private function process(array $data, $resource, $type, $require)
{
if ($this->processor) {
if ($this->processor instanceof ProcessorInterface) {
if ($this->processor->supports($resource, $type)) {
$data = $this->processor->process($data);
} elseif ($require) {
throw ProcessorException::format('The resource "%s"%s is not supported by the processor.', is_string($resource) ? $resource : gettype($resource), $type ? " ({$type})" : '');
}
} else {
$processor = new Processor();
$data = $processor->processConfiguration($this->processor, $data);
}
} elseif ($require) {
throw ProcessorException::format('No processor registered to handle any resource.');
}
return $data;
}