* @return ArrayNodeDefinition|NodeDefinition The root node (as an ArrayNodeDefinition when the type is 'array')
*
* @throws \RuntimeException When the node type is not supported
*
* @deprecated since Symfony 4.3, pass the root name to the constructor instead
*/
public function root($name, $type = 'array', NodeBuilder $builder = null)
{
@trigger_error(sprintf('The "%s()" method called for the "%s" configuration is deprecated since Symfony 4.3, pass the root name to the constructor instead.', __METHOD__, $name), \E_USER_DEPRECATED);
* @return NodeDefinition|ArrayNodeDefinition The root node (as an ArrayNodeDefinition when the type is 'array')
*/
public function getRootNode(): NodeDefinition
{
if (null === $this->root) {
throw new \RuntimeException(sprintf('Calling "%s()" before creating the root node is not supported, migrate to the new constructor signature instead.', __METHOD__));
}
return $this->root;
}
/**
* Builds the tree.
*
* @return NodeInterface
*
* @throws \RuntimeException
*/
public function buildTree()
{
$this->assertTreeHasRootNode();
if (null !== $this->tree) {
return $this->tree;
}
return $this->tree = $this->root->getNode(true);
}
public function setPathSeparator(string $separator)
{
$this->assertTreeHasRootNode();
// unset last built as changing path separator changes all nodes
$this->tree = null;
$this->root->setPathSeparator($separator);
}
/**
* @throws \RuntimeException if root node is not defined
*/
private function assertTreeHasRootNode()
{
if (null === $this->root) {
throw new TreeWithoutRootNodeException('The configuration tree has no root node.');