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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\PlainExtractors; |
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use Pinepain\JsSandbox\Extractors\Definition\PlainExtractorDefinitionInterface; |
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use Pinepain\JsSandbox\Extractors\ExtractorException; |
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use Pinepain\JsSandbox\Extractors\ExtractorInterface; |
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use V8\Context; |
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use V8\RegExpObject; |
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use V8\Value; |
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class RegExpExtractor implements PlainExtractorInterface |
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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, PlainExtractorDefinitionInterface $definition, ExtractorInterface $extractor) |
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{ |
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if ($value instanceof RegExpObject) { |
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$regex = $value->getSource()->value(); |
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if ($definition->getNext() && 'string' == $definition->getNext()->getName()) { |
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return $regex; |
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} |
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$flags = $value->getFlags(); |
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$regexp = '/' . preg_quote($regex, '/') . '/'; |
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if (!$flags) { |
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return $regexp; |
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} |
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if ($flags & RegExpObject::FLAG_GLOBAL) { |
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// global flag is not supported in PHP |
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throw new ExtractorException('Global flag is not supported'); |
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} |
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if ($flags & RegExpObject::FLAG_IGNORE_CASE) { |
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$regexp .= 'i'; |
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} |
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if ($flags & RegExpObject::FLAG_MULTILINE) { |
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$regexp .= 'm'; |
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} |
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if ($flags & RegExpObject::FLAG_STICKY) { |
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// sticky flag is not supported in PHP |
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throw new ExtractorException('Sticky flag is not supported'); |
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} |
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if ($flags & RegExpObject::FLAG_UNICODE) { |
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$regexp .= 'u'; |
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} |
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if ($flags & RegExpObject::FLAG_DOTALL) { |
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$regexp .= 's'; |
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} |
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return $regexp; |
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} |
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throw new ExtractorException('Value must be of the type regexp, ' . $value->typeOf()->value() . ' given'); |
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} |
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} |
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pinepain /
js-sandbox
