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<?php |
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/* |
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* (c) Jean-François Lépine <https://twitter.com/Halleck45> |
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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 Hal\Component\OOP\Extractor; |
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use Hal\Component\Token\TokenCollection; |
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/** |
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* @author Jean-François Lépine <https://twitter.com/Halleck45> |
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*/ |
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class CallExtractor implements ExtractorInterface { |
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/** |
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* @var Searcher |
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*/ |
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private $searcher; |
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/** |
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* Constructor |
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* |
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* @param Searcher $searcher |
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*/ |
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public function __construct(Searcher $searcher) |
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{ |
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$this->searcher = $searcher; |
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} |
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/** |
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* Extract dependency from call |
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* |
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* @param $n |
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* @param TokenCollection $tokens |
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* @return string |
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* @throws \LogicException |
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*/ |
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public function extract(&$n, TokenCollection $tokens) |
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{ |
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$token = $tokens[$n]; |
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$call = null; |
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switch($token->getType()) { |
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case T_PAAMAYIM_NEKUDOTAYIM: |
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$prev = $n - 1; |
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$value = $this->searcher->getUnder(array('::'), $prev, $tokens); |
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if ($value === 'parent') { |
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$extendPosition = $this->searcher->getExtendPostition($tokens); |
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$parentName = $this->searcher->getFollowingName($extendPosition, $tokens); |
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$call = $parentName; |
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} else if ($value === 'self' || $value === 'static') { |
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$extendPosition = $this->searcher->getClassNamePosition($tokens); |
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$className = $this->searcher->getFollowingName($extendPosition, $tokens); |
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$call = $className; |
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} else { |
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$call = $value; |
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} |
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break; |
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case T_NEW: |
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$call = $this->searcher->getFollowingName($n, $tokens); |
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if(preg_match('!^(\w+)!', $call, $matches)) { // fixes PHP 5.4: (new MyClass)->foo() |
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$call = $matches[1]; |
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} |
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break; |
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} |
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if(null === $call) { |
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throw new \LogicException('Classname of call not found'); |
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} |
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return $call; |
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} |
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}; |
Halleck45 /
PhpMetrics
