/**
* Delegate a method call to a subpart
*
* @param string $method Method nae
* @param array $subparts Subpart identifiers
* @param array $arguments Method arguments
* @return mixed Method result
*/
public function delegate($method, array $subparts, array $arguments)
{
// If there are subpart identifiers: Delegate method call
if (count($subparts)) {
$occurrence = 0;
$part = '';
$subpart = $this->getImmediateSubpart($subparts, $occurrence, $part);
$result = $subpart->delegate($method, $subparts, $arguments);
// If it's a setter method
if (!strncmp('set', $method, 3)) {
// Exchange the modified part
$this->occurrences[$occurrence][$part] = $result;
// Return a self reference
return $this;
}
// Return the method result
return $result;
}
return parent::delegate($method, $subparts, $arguments);
}
/**
* Delegate a method call to a subpart
*
* @param string $method Method nae
* @param array $subparts Subpart identifiers
* @param array $arguments Method arguments
* @return mixed Method result
* @throws InvalidArgumentException If there are subpart identifiers
*/
public function delegate($method, array $subparts, array $arguments)
{
// If there are subpart identifiers given
if (count($subparts)) {
throw new InvalidArgumentException(sprintf('Subparts are not allowed (%s)', implode('/', $subparts)), InvalidArgumentException::SUBPARTS_NOT_ALLOWED);
}
return parent::delegate($method, $subparts, $arguments);
}