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<?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\BaseNode;
use Symfony\Component\Config\Definition\Exception\InvalidDefinitionException;
use Symfony\Component\Config\Definition\NodeInterface;
/**
* This class provides a fluent interface for defining a node.
*
* @author Johannes M. Schmitt <schmittjoh@gmail.com>
*/
abstract class NodeDefinition implements NodeParentInterface
{
protected $name;
protected $normalization;
protected $validation;
protected $defaultValue;
protected $default = false;
protected $required = false;
protected $deprecation = [];
protected $merge;
protected $allowEmptyValue = true;
protected $nullEquivalent;
protected $trueEquivalent = true;
protected $falseEquivalent = false;
protected $pathSeparator = BaseNode::DEFAULT_PATH_SEPARATOR;
protected $parent;
protected $attributes = [];
public function __construct(?string $name, NodeParentInterface $parent = null)
{
$this->parent = $parent;
$this->name = $name;
}
/**
* Sets the parent node.
*
* @return $this
*/
public function setParent(NodeParentInterface $parent)
{
$this->parent = $parent;
return $this;
}
/**
* Sets info message.
*
* @return $this
*/
public function info(string $info)
{
return $this->attribute('info', $info);
}
/**
* Sets example configuration.
*
* @param string|array $example
*
* @return $this
*/
public function example($example)
{
return $this->attribute('example', $example);
}
/**
* Sets an attribute on the node.
*
* @param mixed $value
*
* @return $this
*/
public function attribute(string $key, $value)
{
$this->attributes[$key] = $value;
return $this;
}
/**
* Returns the parent node.
*
* @return NodeParentInterface|NodeBuilder|NodeDefinition|ArrayNodeDefinition|VariableNodeDefinition|null
*/
public function end()
{
return $this->parent;
}
/**
* Creates the node.
*
* @return NodeInterface
*/
public function getNode(bool $forceRootNode = false)
{
if ($forceRootNode) {
$this->parent = null;
}
if (null !== $this->normalization) {
$this->normalization->before = ExprBuilder::buildExpressions($this->normalization->before);
}
if (null !== $this->validation) {
$this->validation->rules = ExprBuilder::buildExpressions($this->validation->rules);
}
$node = $this->createNode();
if ($node instanceof BaseNode) {
$node->setAttributes($this->attributes);
}
return $node;
}
/**
* Sets the default value.
*
* @param mixed $value The default value
*
* @return $this
*/
public function defaultValue($value)
{
$this->default = true;
$this->defaultValue = $value;
return $this;
}
/**
* Sets the node as required.
*
* @return $this
*/
public function isRequired()
{
$this->required = true;
return $this;
}
/**
* Sets the node as deprecated.
*
* @param string $package The name of the composer package that is triggering the deprecation
* @param string $version The version of the package that introduced the deprecation
* @param string $message the deprecation message to use
*
* You can use %node% and %path% placeholders in your message to display,
* respectively, the node name and its complete path
*
* @return $this
*/
public function setDeprecated(/* string $package, string $version, string $message = 'The child node "%node%" at path "%path%" is deprecated.' */)
{
$args = \func_get_args();
if (\func_num_args() < 2) {
trigger_deprecation('symfony/config', '5.1', 'The signature of method "%s()" requires 3 arguments: "string $package, string $version, string $message", not defining them is deprecated.', __METHOD__);
$message = $args[0] ?? 'The child node "%node%" at path "%path%" is deprecated.';
$package = $version = '';
} else {
$package = (string) $args[0];
$version = (string) $args[1];
$message = (string) ($args[2] ?? 'The child node "%node%" at path "%path%" is deprecated.');
}
$this->deprecation = [
'package' => $package,
'version' => $version,
'message' => $message,
];
return $this;
}
/**
* Sets the equivalent value used when the node contains null.
*
* @param mixed $value
*
* @return $this
*/
public function treatNullLike($value)
{
$this->nullEquivalent = $value;
return $this;
}
/**
* Sets the equivalent value used when the node contains true.
*
* @param mixed $value
*
* @return $this
*/
public function treatTrueLike($value)
{
$this->trueEquivalent = $value;
return $this;
}
/**
* Sets the equivalent value used when the node contains false.
*
* @param mixed $value
*
* @return $this
*/
public function treatFalseLike($value)
{
$this->falseEquivalent = $value;
return $this;
}
/**
* Sets null as the default value.
*
* @return $this
*/
public function defaultNull()
{
return $this->defaultValue(null);
}
/**
* Sets true as the default value.
*
* @return $this
*/
public function defaultTrue()
{
return $this->defaultValue(true);
}
/**
* Sets false as the default value.
*
* @return $this
*/
public function defaultFalse()
{
return $this->defaultValue(false);
}
/**
* Sets an expression to run before the normalization.
*
* @return ExprBuilder
*/
public function beforeNormalization()
{
return $this->normalization()->before();
}
/**
* Denies the node value being empty.
*
* @return $this
*/
public function cannotBeEmpty()
{
$this->allowEmptyValue = false;
return $this;
}
/**
* Sets an expression to run for the validation.
*
* The expression receives the value of the node and must return it. It can
* modify it.
* An exception should be thrown when the node is not valid.
*
* @return ExprBuilder
*/
public function validate()
{
return $this->validation()->rule();
}
/**
* Sets whether the node can be overwritten.
*
* @return $this
*/
public function cannotBeOverwritten(bool $deny = true)
{
$this->merge()->denyOverwrite($deny);
return $this;
}
/**
* Gets the builder for validation rules.
*
* @return ValidationBuilder
*/
protected function validation()
{
if (null === $this->validation) {
$this->validation = new ValidationBuilder($this);
}
return $this->validation;
}
/**
* Gets the builder for merging rules.
*
* @return MergeBuilder
*/
protected function merge()
{
if (null === $this->merge) {
$this->merge = new MergeBuilder($this);
}
return $this->merge;
}
/**
* Gets the builder for normalization rules.
*
* @return NormalizationBuilder
*/
protected function normalization()
{
if (null === $this->normalization) {
$this->normalization = new NormalizationBuilder($this);
}
return $this->normalization;
}
/**
* Instantiate and configure the node according to this definition.
*
* @return NodeInterface
*
* @throws InvalidDefinitionException When the definition is invalid
*/
abstract protected function createNode();
/**
* Set PathSeparator to use.
*
* @return $this
*/
public function setPathSeparator(string $separator)
{
if ($this instanceof ParentNodeDefinitionInterface) {
foreach ($this->getChildNodeDefinitions() as $child) {
$child->setPathSeparator($separator);
}
}
$this->pathSeparator = $separator;
return $this;
}
}