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<?php |
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/* |
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* This file is part of the Conveyor package. |
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* |
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* (c) Jeroen Fiege <[email protected]> |
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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 Webcreate\Conveyor\Config\Definition; |
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use Symfony\Component\Config\Definition\ArrayNode; |
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use Symfony\Component\Config\Definition\ConfigurationInterface; |
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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\NodeInterface; |
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use Webcreate\Conveyor\Factory\StrategyFactory; |
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class StrategyNode extends ArrayNode |
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{ |
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protected $prepared = false; |
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protected $originalChildren = array(); |
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/** |
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* @var StrategyFactory |
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*/ |
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protected $strategyFactory; |
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/** |
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* Constructor. |
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* |
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* @param string $name |
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* @param NodeInterface $parent |
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*/ |
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public function __construct($name, NodeInterface $parent = null) |
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{ |
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parent::__construct($name, $parent); |
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} |
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/** |
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* Set transporter factory |
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* |
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* @param StrategyFactory|null $factory |
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*/ |
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public function setStrategyFactory($factory) |
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{ |
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$this->strategyFactory = $factory; |
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} |
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/** |
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* Takes child nodes from a ConfigurtionInterface instance |
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* and adds these to this node |
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* |
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* @param string $type |
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* @throws InvalidConfigurationException |
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*/ |
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protected function prepareChildren($type) |
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{ |
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if (null === $this->strategyFactory) { |
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return; |
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} |
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// when we hit this function for the first time, |
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// we store the original children. Each time we |
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// hit this function we reset the children to the |
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// original ones. |
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if (false === $this->prepared) { |
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$this->originalChildren = $this->children; |
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$this->prepared = true; |
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} |
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$strategies = $this->strategyFactory->getStrategies(); |
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$this->children = $this->originalChildren; |
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if (isset($strategies[$type])) { |
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$configuration = $this->strategyFactory->configuration($type); |
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if ($configuration instanceof ConfigurationInterface) { |
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$tree = $configuration->getConfigTreeBuilder()->buildTree(); |
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foreach ($tree->getChildren() as $child) { |
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$this->addChild($child); |
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} |
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} |
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} else { |
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throw new InvalidConfigurationException(sprintf( |
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'Strategy type "%s" does not exist at path "%s". Did you mean any of %s?', $type, |
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$this->getPath(), |
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implode(', ', array_keys($strategies)) |
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)); |
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} |
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} |
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/** |
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* We hook into the validateType method, this |
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* gets called form the normalize method. |
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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 (isset($value['type'])) { |
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$this->prepareChildren($value['type']); |
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} else { |
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// ignore extra keys so the error message will be |
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// focused on the missing type field |
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$this->setIgnoreExtraKeys(true); |
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} |
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parent::validateType($value); |
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} |
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public function getDefaultValue() |
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{ |
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if ($this->children['type']->getDefaultValue()) { |
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$this->prepareChildren($this->children['type']->getDefaultValue()); |
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} |
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return parent::getDefaultValue(); |
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} |
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} |
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webcreate /
conveyor
