339 lines
8.0 KiB
PHP
339 lines
8.0 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Config\Definition\Builder;
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use Symfony\Component\Config\Definition\BaseNode;
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use Symfony\Component\Config\Definition\Exception\InvalidDefinitionException;
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use Symfony\Component\Config\Definition\NodeInterface;
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/**
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* This class provides a fluent interface for defining a node.
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*
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* @author Johannes M. Schmitt <schmittjoh@gmail.com>
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*/
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abstract class NodeDefinition implements NodeParentInterface
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{
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protected ?string $name = null;
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protected NormalizationBuilder $normalization;
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protected ValidationBuilder $validation;
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protected mixed $defaultValue;
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protected bool $default = false;
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protected bool $required = false;
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protected array $deprecation = [];
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protected MergeBuilder $merge;
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protected bool $allowEmptyValue = true;
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protected mixed $nullEquivalent = null;
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protected mixed $trueEquivalent = true;
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protected mixed $falseEquivalent = false;
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protected string $pathSeparator = BaseNode::DEFAULT_PATH_SEPARATOR;
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protected NodeParentInterface|NodeInterface|null $parent;
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protected array $attributes = [];
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public function __construct(?string $name, ?NodeParentInterface $parent = null)
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{
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$this->parent = $parent;
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$this->name = $name;
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}
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/**
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* Sets the parent node.
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*
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* @return $this
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*/
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public function setParent(NodeParentInterface $parent): static
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{
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$this->parent = $parent;
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return $this;
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}
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/**
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* Sets info message.
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*
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* @return $this
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*/
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public function info(string $info): static
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{
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return $this->attribute('info', $info);
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}
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/**
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* Sets example configuration.
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*
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* @return $this
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*/
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public function example(string|array $example): static
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{
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return $this->attribute('example', $example);
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}
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/**
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* Sets an attribute on the node.
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*
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* @return $this
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*/
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public function attribute(string $key, mixed $value): static
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{
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$this->attributes[$key] = $value;
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return $this;
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}
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/**
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* Returns the parent node.
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*
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* @return NodeParentInterface|NodeBuilder|self|ArrayNodeDefinition|VariableNodeDefinition
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*/
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public function end(): NodeParentInterface
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{
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return $this->parent;
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}
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/**
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* Creates the node.
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*/
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public function getNode(bool $forceRootNode = false): NodeInterface
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{
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if ($forceRootNode) {
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$this->parent = null;
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}
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if (isset($this->normalization)) {
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$allowedTypes = [];
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foreach ($this->normalization->before as $expr) {
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$allowedTypes[] = $expr->allowedTypes;
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}
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$allowedTypes = array_unique($allowedTypes);
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$this->normalization->before = ExprBuilder::buildExpressions($this->normalization->before);
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$this->normalization->declaredTypes = $allowedTypes;
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}
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if (isset($this->validation)) {
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$this->validation->rules = ExprBuilder::buildExpressions($this->validation->rules);
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}
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$node = $this->createNode();
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if ($node instanceof BaseNode) {
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$node->setAttributes($this->attributes);
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}
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return $node;
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}
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/**
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* Sets the default value.
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*
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* @return $this
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*/
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public function defaultValue(mixed $value): static
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{
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$this->default = true;
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$this->defaultValue = $value;
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return $this;
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}
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/**
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* Sets the node as required.
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*
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* @return $this
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*/
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public function isRequired(): static
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{
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$this->required = true;
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return $this;
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}
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/**
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* Sets the node as deprecated.
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*
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* @param string $package The name of the composer package that is triggering the deprecation
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* @param string $version The version of the package that introduced the deprecation
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* @param string $message the deprecation message to use
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*
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* You can use %node% and %path% placeholders in your message to display,
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* respectively, the node name and its complete path
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*
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* @return $this
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*/
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public function setDeprecated(string $package, string $version, string $message = 'The child node "%node%" at path "%path%" is deprecated.'): static
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{
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$this->deprecation = [
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'package' => $package,
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'version' => $version,
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'message' => $message,
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];
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return $this;
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}
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/**
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* Sets the equivalent value used when the node contains null.
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*
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* @return $this
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*/
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public function treatNullLike(mixed $value): static
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{
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$this->nullEquivalent = $value;
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return $this;
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}
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/**
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* Sets the equivalent value used when the node contains true.
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*
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* @return $this
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*/
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public function treatTrueLike(mixed $value): static
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{
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$this->trueEquivalent = $value;
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return $this;
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}
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/**
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* Sets the equivalent value used when the node contains false.
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*
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* @return $this
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*/
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public function treatFalseLike(mixed $value): static
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{
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$this->falseEquivalent = $value;
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return $this;
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}
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/**
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* Sets null as the default value.
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*
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* @return $this
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*/
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public function defaultNull(): static
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{
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return $this->defaultValue(null);
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}
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/**
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* Sets true as the default value.
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*
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* @return $this
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*/
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public function defaultTrue(): static
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{
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return $this->defaultValue(true);
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}
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/**
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* Sets false as the default value.
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*
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* @return $this
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*/
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public function defaultFalse(): static
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{
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return $this->defaultValue(false);
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}
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/**
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* Sets an expression to run before the normalization.
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*/
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public function beforeNormalization(): ExprBuilder
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{
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return $this->normalization()->before();
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}
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/**
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* Denies the node value being empty.
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*
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* @return $this
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*/
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public function cannotBeEmpty(): static
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{
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$this->allowEmptyValue = false;
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return $this;
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}
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/**
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* Sets an expression to run for the validation.
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*
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* The expression receives the value of the node and must return it. It can
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* modify it.
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* An exception should be thrown when the node is not valid.
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*/
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public function validate(): ExprBuilder
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{
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return $this->validation()->rule();
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}
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/**
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* Sets whether the node can be overwritten.
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*
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* @return $this
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*/
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public function cannotBeOverwritten(bool $deny = true): static
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{
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$this->merge()->denyOverwrite($deny);
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return $this;
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}
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/**
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* Gets the builder for validation rules.
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*/
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protected function validation(): ValidationBuilder
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{
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return $this->validation ??= new ValidationBuilder($this);
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}
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/**
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* Gets the builder for merging rules.
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*/
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protected function merge(): MergeBuilder
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{
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return $this->merge ??= new MergeBuilder($this);
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}
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/**
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* Gets the builder for normalization rules.
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*/
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protected function normalization(): NormalizationBuilder
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{
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return $this->normalization ??= new NormalizationBuilder($this);
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}
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/**
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* Instantiate and configure the node according to this definition.
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*
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* @throws InvalidDefinitionException When the definition is invalid
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*/
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abstract protected function createNode(): NodeInterface;
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/**
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* Set PathSeparator to use.
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*
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* @return $this
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*/
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public function setPathSeparator(string $separator): static
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{
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if ($this instanceof ParentNodeDefinitionInterface) {
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foreach ($this->getChildNodeDefinitions() as $child) {
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$child->setPathSeparator($separator);
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}
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}
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$this->pathSeparator = $separator;
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return $this;
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}
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}
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