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msd2/phpBB3/vendor/symfony/config/Definition/ArrayNode.php
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378
msd2/phpBB3/vendor/symfony/config/Definition/ArrayNode.php
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<?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;
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use Symfony\Component\Config\Definition\Exception\InvalidConfigurationException;
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use Symfony\Component\Config\Definition\Exception\InvalidTypeException;
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use Symfony\Component\Config\Definition\Exception\UnsetKeyException;
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/**
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* Represents an Array node in the config tree.
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*
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* @author Johannes M. Schmitt <schmittjoh@gmail.com>
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*/
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class ArrayNode extends BaseNode implements PrototypeNodeInterface
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{
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protected $xmlRemappings = array();
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protected $children = array();
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protected $allowFalse = false;
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protected $allowNewKeys = true;
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protected $addIfNotSet = false;
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protected $performDeepMerging = true;
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protected $ignoreExtraKeys = false;
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protected $removeExtraKeys = true;
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protected $normalizeKeys = true;
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public function setNormalizeKeys($normalizeKeys)
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{
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$this->normalizeKeys = (bool) $normalizeKeys;
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}
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/**
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* Normalizes keys between the different configuration formats.
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*
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* Namely, you mostly have foo_bar in YAML while you have foo-bar in XML.
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* After running this method, all keys are normalized to foo_bar.
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*
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* If you have a mixed key like foo-bar_moo, it will not be altered.
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* The key will also not be altered if the target key already exists.
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*
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* @param mixed $value
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*
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* @return array The value with normalized keys
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*/
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protected function preNormalize($value)
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{
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if (!$this->normalizeKeys || !\is_array($value)) {
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return $value;
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}
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$normalized = array();
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foreach ($value as $k => $v) {
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if (false !== strpos($k, '-') && false === strpos($k, '_') && !array_key_exists($normalizedKey = str_replace('-', '_', $k), $value)) {
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$normalized[$normalizedKey] = $v;
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} else {
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$normalized[$k] = $v;
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}
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}
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return $normalized;
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}
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/**
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* Retrieves the children of this node.
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*
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* @return array The children
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*/
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public function getChildren()
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{
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return $this->children;
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}
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/**
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* Sets the xml remappings that should be performed.
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*
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* @param array $remappings An array of the form array(array(string, string))
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*/
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public function setXmlRemappings(array $remappings)
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{
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$this->xmlRemappings = $remappings;
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}
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/**
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* Gets the xml remappings that should be performed.
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*
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* @return array $remappings an array of the form array(array(string, string))
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*/
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public function getXmlRemappings()
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{
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return $this->xmlRemappings;
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}
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/**
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* Sets whether to add default values for this array if it has not been
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* defined in any of the configuration files.
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*
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* @param bool $boolean
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*/
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public function setAddIfNotSet($boolean)
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{
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$this->addIfNotSet = (bool) $boolean;
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}
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/**
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* Sets whether false is allowed as value indicating that the array should be unset.
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*
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* @param bool $allow
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*/
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public function setAllowFalse($allow)
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{
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$this->allowFalse = (bool) $allow;
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}
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/**
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* Sets whether new keys can be defined in subsequent configurations.
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*
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* @param bool $allow
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*/
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public function setAllowNewKeys($allow)
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{
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$this->allowNewKeys = (bool) $allow;
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}
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/**
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* Sets if deep merging should occur.
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*
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* @param bool $boolean
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*/
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public function setPerformDeepMerging($boolean)
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{
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$this->performDeepMerging = (bool) $boolean;
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}
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/**
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* Whether extra keys should just be ignore without an exception.
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*
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* @param bool $boolean To allow extra keys
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* @param bool $remove To remove extra keys
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*/
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public function setIgnoreExtraKeys($boolean, $remove = true)
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{
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$this->ignoreExtraKeys = (bool) $boolean;
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$this->removeExtraKeys = $this->ignoreExtraKeys && $remove;
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}
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/**
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* {@inheritdoc}
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*/
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public function setName($name)
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{
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$this->name = $name;
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}
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/**
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* {@inheritdoc}
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*/
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public function hasDefaultValue()
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{
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return $this->addIfNotSet;
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}
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/**
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* {@inheritdoc}
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*/
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public function getDefaultValue()
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{
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if (!$this->hasDefaultValue()) {
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throw new \RuntimeException(sprintf('The node at path "%s" has no default value.', $this->getPath()));
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}
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$defaults = array();
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foreach ($this->children as $name => $child) {
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if ($child->hasDefaultValue()) {
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$defaults[$name] = $child->getDefaultValue();
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}
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}
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return $defaults;
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}
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/**
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* Adds a child node.
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*
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* @throws \InvalidArgumentException when the child node has no name
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* @throws \InvalidArgumentException when the child node's name is not unique
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*/
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public function addChild(NodeInterface $node)
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{
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$name = $node->getName();
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if (!\strlen($name)) {
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throw new \InvalidArgumentException('Child nodes must be named.');
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}
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if (isset($this->children[$name])) {
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throw new \InvalidArgumentException(sprintf('A child node named "%s" already exists.', $name));
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}
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$this->children[$name] = $node;
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}
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/**
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* Finalizes the value of this node.
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*
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* @param mixed $value
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*
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* @return mixed The finalised value
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*
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* @throws UnsetKeyException
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* @throws InvalidConfigurationException if the node doesn't have enough children
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*/
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protected function finalizeValue($value)
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{
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if (false === $value) {
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throw new UnsetKeyException(sprintf('Unsetting key for path "%s", value: %s', $this->getPath(), json_encode($value)));
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}
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foreach ($this->children as $name => $child) {
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if (!array_key_exists($name, $value)) {
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if ($child->isRequired()) {
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$ex = new InvalidConfigurationException(sprintf('The child node "%s" at path "%s" must be configured.', $name, $this->getPath()));
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$ex->setPath($this->getPath());
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throw $ex;
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}
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if ($child->hasDefaultValue()) {
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$value[$name] = $child->getDefaultValue();
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}
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continue;
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}
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try {
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$value[$name] = $child->finalize($value[$name]);
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} catch (UnsetKeyException $e) {
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unset($value[$name]);
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}
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}
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return $value;
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}
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/**
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* Validates the type of the value.
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*
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* @param mixed $value
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*
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* @throws InvalidTypeException
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*/
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protected function validateType($value)
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{
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if (!\is_array($value) && (!$this->allowFalse || false !== $value)) {
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$ex = new InvalidTypeException(sprintf('Invalid type for path "%s". Expected array, but got %s', $this->getPath(), \gettype($value)));
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if ($hint = $this->getInfo()) {
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$ex->addHint($hint);
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}
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$ex->setPath($this->getPath());
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throw $ex;
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}
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}
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/**
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* Normalizes the value.
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*
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* @param mixed $value The value to normalize
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*
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* @return mixed The normalized value
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*
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* @throws InvalidConfigurationException
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*/
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protected function normalizeValue($value)
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{
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if (false === $value) {
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return $value;
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}
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$value = $this->remapXml($value);
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$normalized = array();
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foreach ($value as $name => $val) {
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if (isset($this->children[$name])) {
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$normalized[$name] = $this->children[$name]->normalize($val);
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unset($value[$name]);
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} elseif (!$this->removeExtraKeys) {
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$normalized[$name] = $val;
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}
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}
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// if extra fields are present, throw exception
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if (\count($value) && !$this->ignoreExtraKeys) {
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$ex = new InvalidConfigurationException(sprintf('Unrecognized option%s "%s" under "%s"', 1 === \count($value) ? '' : 's', implode(', ', array_keys($value)), $this->getPath()));
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$ex->setPath($this->getPath());
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throw $ex;
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}
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return $normalized;
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}
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/**
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* Remaps multiple singular values to a single plural value.
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*
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* @param array $value The source values
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*
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* @return array The remapped values
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*/
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protected function remapXml($value)
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{
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foreach ($this->xmlRemappings as $transformation) {
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list($singular, $plural) = $transformation;
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if (!isset($value[$singular])) {
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continue;
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}
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$value[$plural] = Processor::normalizeConfig($value, $singular, $plural);
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unset($value[$singular]);
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}
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return $value;
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}
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/**
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* Merges values together.
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*
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* @param mixed $leftSide The left side to merge
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* @param mixed $rightSide The right side to merge
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*
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* @return mixed The merged values
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*
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* @throws InvalidConfigurationException
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* @throws \RuntimeException
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*/
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protected function mergeValues($leftSide, $rightSide)
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{
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if (false === $rightSide) {
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// if this is still false after the last config has been merged the
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// finalization pass will take care of removing this key entirely
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return false;
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}
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if (false === $leftSide || !$this->performDeepMerging) {
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return $rightSide;
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}
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foreach ($rightSide as $k => $v) {
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// no conflict
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if (!array_key_exists($k, $leftSide)) {
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if (!$this->allowNewKeys) {
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$ex = new InvalidConfigurationException(sprintf('You are not allowed to define new elements for path "%s". Please define all elements for this path in one config file. If you are trying to overwrite an element, make sure you redefine it with the same name.', $this->getPath()));
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$ex->setPath($this->getPath());
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throw $ex;
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}
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$leftSide[$k] = $v;
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continue;
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}
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if (!isset($this->children[$k])) {
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throw new \RuntimeException('merge() expects a normalized config array.');
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}
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$leftSide[$k] = $this->children[$k]->merge($leftSide[$k], $v);
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}
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return $leftSide;
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}
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}
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