Verzeichnisstruktur phpBB-3.3.15
- Veröffentlicht
- 28.08.2024
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TreeBuilder.php
01 <?php
02
03 /*
04 * This file is part of the Symfony package.
05 *
06 * (c) Fabien Potencier <fabien@symfony.com>
07 *
08 * For the full copyright and license information, please view the LICENSE
09 * file that was distributed with this source code.
10 */
11
12 namespace Symfony\Component\Config\Definition\Builder;
13
14 use Symfony\Component\Config\Definition\NodeInterface;
15
16 /**
17 * This is the entry class for building a config tree.
18 *
19 * @author Johannes M. Schmitt <schmittjoh@gmail.com>
20 */
21 class TreeBuilder implements NodeParentInterface
22 {
23 protected $tree;
24 protected $root;
25
26 /**
27 * @deprecated since 3.4. To be removed in 4.0
28 */
29 protected $builder;
30
31 /**
32 * Creates the root node.
33 *
34 * @param string $name The name of the root node
35 * @param string $type The type of the root node
36 * @param NodeBuilder $builder A custom node builder instance
37 *
38 * @return ArrayNodeDefinition|NodeDefinition The root node (as an ArrayNodeDefinition when the type is 'array')
39 *
40 * @throws \RuntimeException When the node type is not supported
41 */
42 public function root($name, $type = 'array', NodeBuilder $builder = null)
43 {
44 $builder = $builder ?: new NodeBuilder();
45
46 return $this->root = $builder->node($name, $type)->setParent($this);
47 }
48
49 /**
50 * Builds the tree.
51 *
52 * @return NodeInterface
53 *
54 * @throws \RuntimeException
55 */
56 public function buildTree()
57 {
58 if (null === $this->root) {
59 throw new \RuntimeException('The configuration tree has no root node.');
60 }
61 if (null !== $this->tree) {
62 return $this->tree;
63 }
64
65 return $this->tree = $this->root->getNode(true);
66 }
67 }
68