1<?php
2
3/*
4 * This file is part of the Symfony package.
5 *
6 * (c) Fabien Potencier <fabien@symfony.com>
7 *
8 * For the full copyright and license information, please view the LICENSE
9 * file that was distributed with this source code.
10 */
11
12namespace Symfony\Component\Config\Definition\Builder;
13
14use Symfony\Component\Config\Definition\VariableNode;
15
16/**
17 * This class provides a fluent interface for defining a node.
18 *
19 * @author Johannes M. Schmitt <schmittjoh@gmail.com>
20 */
21class VariableNodeDefinition extends NodeDefinition
22{
23    /**
24     * Instantiate a Node.
25     *
26     * @return VariableNode The node
27     */
28    protected function instantiateNode()
29    {
30        return new VariableNode($this->name, $this->parent);
31    }
32
33    /**
34     * {@inheritdoc}
35     */
36    protected function createNode()
37    {
38        $node = $this->instantiateNode();
39
40        if (null !== $this->normalization) {
41            $node->setNormalizationClosures($this->normalization->before);
42        }
43
44        if (null !== $this->merge) {
45            $node->setAllowOverwrite($this->merge->allowOverwrite);
46        }
47
48        if (true === $this->default) {
49            $node->setDefaultValue($this->defaultValue);
50        }
51
52        $node->setAllowEmptyValue($this->allowEmptyValue);
53        $node->addEquivalentValue(null, $this->nullEquivalent);
54        $node->addEquivalentValue(true, $this->trueEquivalent);
55        $node->addEquivalentValue(false, $this->falseEquivalent);
56        $node->setRequired($this->required);
57        $node->setDeprecated($this->deprecationMessage);
58
59        if (null !== $this->validation) {
60            $node->setFinalValidationClosures($this->validation->rules);
61        }
62
63        return $node;
64    }
65}
66