<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Config\Definition\Builder;
use Symfony\Component\Config\Definition\NodeInterface;
/**
* This is the entry class for building a config tree.
*
* @author Johannes M. Schmitt <schmittjoh@gmail.com>
*/
class TreeBuilder implements NodeParentInterface
{
protected $tree;
protected $root;
public function __construct(string $name, string $type = 'array', NodeBuilder $builder = null)
{
$builder = $builder ?: new NodeBuilder();
$this->root = $builder->node($name, $type)->setParent($this);
}
/**
* @return NodeDefinition|ArrayNodeDefinition The root node (as an ArrayNodeDefinition when the type is 'array')
*/
public function getRootNode(): NodeDefinition
{
return $this->root;
}
/**
* Builds the tree.
*
* @return NodeInterface
*
* @throws \RuntimeException
*/
public function buildTree()
{
if (null !== $this->tree) {
return $this->tree;
}
return $this->tree = $this->root->getNode(true);
}
public function setPathSeparator(string $separator)
{
// unset last built as changing path separator changes all nodes
$this->tree = null;
$this->root->setPathSeparator($separator);
}
}