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<?php declare(strict_types=1); |
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/* |
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* This file is part of the pinepain/js-sandbox PHP library. |
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* |
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* Copyright (c) 2016-2017 Bogdan Padalko <[email protected]> |
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* |
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* Licensed under the MIT license: http://opensource.org/licenses/MIT |
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* |
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* For the full copyright and license information, please view the |
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* LICENSE file that was distributed with this source or visit |
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* http://opensource.org/licenses/MIT |
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*/ |
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namespace Pinepain\JsSandbox\Extractors; |
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use Pinepain\JsSandbox\Extractors\Definition\ExtractorDefinitionInterface; |
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use Pinepain\JsSandbox\Extractors\Definition\PlainExtractorDefinitionInterface; |
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use Pinepain\JsSandbox\Extractors\Definition\VariableExtractorDefinitionInterface; |
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use V8\Context; |
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use V8\Value; |
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class Extractor implements ExtractorInterface |
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{ |
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/** |
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* @var ExtractorsCollectionInterface |
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*/ |
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private $extractors; |
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public function __construct(ExtractorsCollectionInterface $extractors) |
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{ |
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$this->extractors = $extractors; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function extract(Context $context, Value $value, ExtractorDefinitionInterface $definition) |
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{ |
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if ($definition instanceof PlainExtractorDefinitionInterface) { |
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return $this->extractPlain($context, $value, $definition); |
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} |
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if ($definition instanceof VariableExtractorDefinitionInterface) { |
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return $this->extractVarying($context, $value, $definition); |
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} |
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throw new ExtractorException('Unknown extractor definition'); |
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} |
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protected function extractPlain(Context $context, Value $value, PlainExtractorDefinitionInterface $definition) |
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{ |
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$name = $definition->getName(); |
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assert(null !== $name); |
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return $this->extractors->get($name)->extract($context, $value, $definition, $this); |
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} |
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protected function extractVarying(Context $context, Value $value, VariableExtractorDefinitionInterface $definition) |
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{ |
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if (!$definition->getVariations()) { |
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throw new ExtractorException('Variable extractor definition is empty'); |
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} |
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$e = null; |
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foreach ($definition->getVariations() as $variation) { |
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try { |
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return $this->extract($context, $value, $variation); |
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} catch (ExtractorException $e) { |
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continue; |
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} |
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} |
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throw $e; |
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} |
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} |
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pinepain /
js-sandbox
