public function process(NodeInterface $configTree, array $configs)
{
$configs = Extension::normalizeKeys($configs);
$currentConfig = array();
foreach ($configs as $config) {
$config = $configTree->normalize($config);
$currentConfig = $configTree->merge($currentConfig, $config);
}
return $configTree->finalize($currentConfig);
}
public function addChild(NodeInterface $node)
{
$name = $node->getName();
if (empty($name)) {
throw new \InvalidArgumentException('Node name cannot be empty.');
}
if (isset($this->children[$name])) {
throw new \InvalidArgumentException(sprintf('The node "%s" already exists.', $name));
}
if (null !== $this->prototype) {
throw new \RuntimeException('An ARRAY node must either have a prototype, or concrete children.');
}
$this->children[$name] = $node;
}