486 lines
14 KiB
PHP
486 lines
14 KiB
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\Builder;
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use Symfony\Component\Config\Definition\ArrayNode;
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use Symfony\Component\Config\Definition\PrototypedArrayNode;
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use Symfony\Component\Config\Definition\Exception\InvalidDefinitionException;
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/**
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* This class provides a fluent interface for defining an array node.
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*
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* @author Johannes M. Schmitt <schmittjoh@gmail.com>
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*/
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class ArrayNodeDefinition extends NodeDefinition implements ParentNodeDefinitionInterface
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{
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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 $children = array();
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protected $prototype;
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protected $atLeastOne = false;
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protected $allowNewKeys = true;
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protected $key;
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protected $removeKeyItem;
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protected $addDefaults = false;
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protected $addDefaultChildren = false;
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protected $nodeBuilder;
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protected $normalizeKeys = true;
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/**
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* {@inheritdoc}
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*/
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public function __construct($name, NodeParentInterface $parent = null)
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{
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parent::__construct($name, $parent);
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$this->nullEquivalent = array();
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$this->trueEquivalent = array();
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}
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/**
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* Sets a custom children builder.
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*/
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public function setBuilder(NodeBuilder $builder)
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{
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$this->nodeBuilder = $builder;
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}
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/**
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* Returns a builder to add children nodes.
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*
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* @return NodeBuilder
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*/
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public function children()
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{
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return $this->getNodeBuilder();
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}
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/**
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* Sets a prototype for child nodes.
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*
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* @param string $type The type of node
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*
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* @return NodeDefinition
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*/
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public function prototype($type)
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{
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return $this->prototype = $this->getNodeBuilder()->node(null, $type)->setParent($this);
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}
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/**
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* Adds the default value if the node is not set in the configuration.
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*
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* This method is applicable to concrete nodes only (not to prototype nodes).
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* If this function has been called and the node is not set during the finalization
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* phase, it's default value will be derived from its children default values.
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*
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* @return $this
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*/
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public function addDefaultsIfNotSet()
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{
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$this->addDefaults = true;
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return $this;
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}
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/**
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* Adds children with a default value when none are defined.
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*
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* This method is applicable to prototype nodes only.
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*
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* @param int|string|array|null $children The number of children|The child name|The children names to be added
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*
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* @return $this
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*/
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public function addDefaultChildrenIfNoneSet($children = null)
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{
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$this->addDefaultChildren = $children;
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return $this;
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}
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/**
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* Requires the node to have at least one element.
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*
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* This method is applicable to prototype nodes only.
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*
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* @return $this
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*/
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public function requiresAtLeastOneElement()
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{
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$this->atLeastOne = true;
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return $this;
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}
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/**
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* Disallows adding news keys in a subsequent configuration.
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*
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* If used all keys have to be defined in the same configuration file.
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*
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* @return $this
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*/
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public function disallowNewKeysInSubsequentConfigs()
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{
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$this->allowNewKeys = false;
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return $this;
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}
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/**
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* Sets a normalization rule for XML configurations.
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*
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* @param string $singular The key to remap
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* @param string $plural The plural of the key for irregular plurals
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*
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* @return $this
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*/
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public function fixXmlConfig($singular, $plural = null)
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{
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$this->normalization()->remap($singular, $plural);
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return $this;
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}
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/**
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* Sets the attribute which value is to be used as key.
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*
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* This is useful when you have an indexed array that should be an
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* associative array. You can select an item from within the array
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* to be the key of the particular item. For example, if "id" is the
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* "key", then:
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*
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* array(
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* array('id' => 'my_name', 'foo' => 'bar'),
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* );
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*
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* becomes
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*
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* array(
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* 'my_name' => array('foo' => 'bar'),
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* );
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*
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* If you'd like "'id' => 'my_name'" to still be present in the resulting
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* array, then you can set the second argument of this method to false.
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*
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* This method is applicable to prototype nodes only.
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*
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* @param string $name The name of the key
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* @param bool $removeKeyItem Whether or not the key item should be removed
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*
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* @return $this
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*/
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public function useAttributeAsKey($name, $removeKeyItem = true)
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{
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$this->key = $name;
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$this->removeKeyItem = $removeKeyItem;
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return $this;
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}
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/**
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* Sets whether the node can be unset.
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*
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* @param bool $allow
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*
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* @return $this
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*/
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public function canBeUnset($allow = true)
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{
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$this->merge()->allowUnset($allow);
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return $this;
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}
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/**
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* Adds an "enabled" boolean to enable the current section.
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*
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* By default, the section is disabled. If any configuration is specified then
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* the node will be automatically enabled:
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*
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* enableableArrayNode: {enabled: true, ...} # The config is enabled & default values get overridden
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* enableableArrayNode: ~ # The config is enabled & use the default values
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* enableableArrayNode: true # The config is enabled & use the default values
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* enableableArrayNode: {other: value, ...} # The config is enabled & default values get overridden
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* enableableArrayNode: {enabled: false, ...} # The config is disabled
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* enableableArrayNode: false # The config is disabled
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*
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* @return $this
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*/
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public function canBeEnabled()
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{
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$this
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->addDefaultsIfNotSet()
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->treatFalseLike(array('enabled' => false))
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->treatTrueLike(array('enabled' => true))
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->treatNullLike(array('enabled' => true))
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->beforeNormalization()
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->ifArray()
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->then(function ($v) {
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$v['enabled'] = isset($v['enabled']) ? $v['enabled'] : true;
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return $v;
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})
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->end()
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->children()
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->booleanNode('enabled')
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->defaultFalse()
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;
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return $this;
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}
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/**
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* Adds an "enabled" boolean to enable the current section.
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*
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* By default, the section is enabled.
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*
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* @return $this
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*/
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public function canBeDisabled()
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{
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$this
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->addDefaultsIfNotSet()
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->treatFalseLike(array('enabled' => false))
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->treatTrueLike(array('enabled' => true))
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->treatNullLike(array('enabled' => true))
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->children()
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->booleanNode('enabled')
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->defaultTrue()
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;
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return $this;
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}
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/**
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* Disables the deep merging of the node.
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*
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* @return $this
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*/
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public function performNoDeepMerging()
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{
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$this->performDeepMerging = false;
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return $this;
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}
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/**
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* Allows extra config keys to be specified under an array without
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* throwing an exception.
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*
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* Those config values are simply ignored and removed from the
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* resulting array. This should be used only in special cases where
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* you want to send an entire configuration array through a special
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* tree that processes only part of the array.
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*
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* @param bool $remove Whether to remove the extra keys
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*
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* @return $this
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*/
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public function ignoreExtraKeys($remove = true)
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{
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$this->ignoreExtraKeys = true;
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$this->removeExtraKeys = $remove;
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return $this;
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}
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/**
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* Sets key normalization.
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*
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* @param bool $bool Whether to enable key normalization
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*
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* @return $this
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*/
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public function normalizeKeys($bool)
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{
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$this->normalizeKeys = (bool) $bool;
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return $this;
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}
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/**
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* Appends a node definition.
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*
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* $node = new ArrayNodeDefinition()
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* ->children()
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* ->scalarNode('foo')->end()
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* ->scalarNode('baz')->end()
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* ->end()
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* ->append($this->getBarNodeDefinition())
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* ;
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*
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* @return $this
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*/
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public function append(NodeDefinition $node)
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{
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$this->children[$node->name] = $node->setParent($this);
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return $this;
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}
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/**
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* Returns a node builder to be used to add children and prototype.
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*
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* @return NodeBuilder The node builder
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*/
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protected function getNodeBuilder()
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{
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if (null === $this->nodeBuilder) {
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$this->nodeBuilder = new NodeBuilder();
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}
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return $this->nodeBuilder->setParent($this);
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}
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/**
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* {@inheritdoc}
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*/
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protected function createNode()
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{
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if (null === $this->prototype) {
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$node = new ArrayNode($this->name, $this->parent);
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$this->validateConcreteNode($node);
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$node->setAddIfNotSet($this->addDefaults);
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foreach ($this->children as $child) {
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$child->parent = $node;
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$node->addChild($child->getNode());
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}
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} else {
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$node = new PrototypedArrayNode($this->name, $this->parent);
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$this->validatePrototypeNode($node);
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if (null !== $this->key) {
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$node->setKeyAttribute($this->key, $this->removeKeyItem);
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}
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if (true === $this->atLeastOne) {
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$node->setMinNumberOfElements(1);
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}
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if ($this->default) {
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$node->setDefaultValue($this->defaultValue);
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}
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if (false !== $this->addDefaultChildren) {
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$node->setAddChildrenIfNoneSet($this->addDefaultChildren);
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if ($this->prototype instanceof static && null === $this->prototype->prototype) {
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$this->prototype->addDefaultsIfNotSet();
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}
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}
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$this->prototype->parent = $node;
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$node->setPrototype($this->prototype->getNode());
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}
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$node->setAllowNewKeys($this->allowNewKeys);
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$node->addEquivalentValue(null, $this->nullEquivalent);
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$node->addEquivalentValue(true, $this->trueEquivalent);
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$node->addEquivalentValue(false, $this->falseEquivalent);
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$node->setPerformDeepMerging($this->performDeepMerging);
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$node->setRequired($this->required);
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$node->setIgnoreExtraKeys($this->ignoreExtraKeys, $this->removeExtraKeys);
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$node->setNormalizeKeys($this->normalizeKeys);
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if (null !== $this->normalization) {
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$node->setNormalizationClosures($this->normalization->before);
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$node->setXmlRemappings($this->normalization->remappings);
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}
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if (null !== $this->merge) {
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$node->setAllowOverwrite($this->merge->allowOverwrite);
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$node->setAllowFalse($this->merge->allowFalse);
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}
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if (null !== $this->validation) {
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$node->setFinalValidationClosures($this->validation->rules);
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}
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return $node;
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}
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|
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/**
|
||
|
|
* Validate the configuration of a concrete node.
|
||
|
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*
|
||
|
|
* @throws InvalidDefinitionException
|
||
|
|
*/
|
||
|
|
protected function validateConcreteNode(ArrayNode $node)
|
||
|
|
{
|
||
|
|
$path = $node->getPath();
|
||
|
|
|
||
|
|
if (null !== $this->key) {
|
||
|
|
throw new InvalidDefinitionException(
|
||
|
|
sprintf('->useAttributeAsKey() is not applicable to concrete nodes at path "%s"', $path)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (true === $this->atLeastOne) {
|
||
|
|
throw new InvalidDefinitionException(
|
||
|
|
sprintf('->requiresAtLeastOneElement() is not applicable to concrete nodes at path "%s"', $path)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($this->default) {
|
||
|
|
throw new InvalidDefinitionException(
|
||
|
|
sprintf('->defaultValue() is not applicable to concrete nodes at path "%s"', $path)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (false !== $this->addDefaultChildren) {
|
||
|
|
throw new InvalidDefinitionException(
|
||
|
|
sprintf('->addDefaultChildrenIfNoneSet() is not applicable to concrete nodes at path "%s"', $path)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Validate the configuration of a prototype node.
|
||
|
|
*
|
||
|
|
* @throws InvalidDefinitionException
|
||
|
|
*/
|
||
|
|
protected function validatePrototypeNode(PrototypedArrayNode $node)
|
||
|
|
{
|
||
|
|
$path = $node->getPath();
|
||
|
|
|
||
|
|
if ($this->addDefaults) {
|
||
|
|
throw new InvalidDefinitionException(
|
||
|
|
sprintf('->addDefaultsIfNotSet() is not applicable to prototype nodes at path "%s"', $path)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (false !== $this->addDefaultChildren) {
|
||
|
|
if ($this->default) {
|
||
|
|
throw new InvalidDefinitionException(
|
||
|
|
sprintf('A default value and default children might not be used together at path "%s"', $path)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (null !== $this->key && (null === $this->addDefaultChildren || is_int($this->addDefaultChildren) && $this->addDefaultChildren > 0)) {
|
||
|
|
throw new InvalidDefinitionException(
|
||
|
|
sprintf('->addDefaultChildrenIfNoneSet() should set default children names as ->useAttributeAsKey() is used at path "%s"', $path)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (null === $this->key && (is_string($this->addDefaultChildren) || is_array($this->addDefaultChildren))) {
|
||
|
|
throw new InvalidDefinitionException(
|
||
|
|
sprintf('->addDefaultChildrenIfNoneSet() might not set default children names as ->useAttributeAsKey() is not used at path "%s"', $path)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|