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<?php |
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namespace Vanderlee\Comprehend\Match; |
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use ErrorException; |
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use Vanderlee\Comprehend\Match\Output\CallbackTrait; |
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use Vanderlee\Comprehend\Match\Output\ResultTrait; |
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use Vanderlee\Comprehend\Match\Output\TokenTrait; |
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/** |
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* Successful match of a parser. |
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* |
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* @author Martijn |
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*/ |
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class Success extends AbstractMatch |
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{ |
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use TokenTrait, ResultTrait, CallbackTrait; |
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/** |
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* Boolean state indicating whether this match has been resolved already. |
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* Each match may only be resolved once to prevent conflicts. |
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* |
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* @var bool |
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*/ |
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private $resolved = false; |
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/** |
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* Any successful matches tbat make up this success. |
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* |
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* @var Success[] |
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*/ |
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private $successes; |
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/** |
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* Create a new match. |
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* |
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* @param int $length |
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* @param Success[]|Success $successes |
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*/ |
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404 |
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public function __construct($length = 0, $successes = []) |
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{ |
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404 |
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parent::__construct($length); |
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$this->successes = $successes; |
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} |
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403 |
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public function __get(string $name) |
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{ |
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switch ($name) { |
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403 |
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case 'match': |
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return true; |
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403 |
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case 'results': |
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$results = $this->getResults(); |
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unset($results[null]); |
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return $results; |
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case 'result': |
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$results = $this->getResults(); |
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return $results[null] |
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?? null; |
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case 'token': |
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return $this->getToken(); |
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} |
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return parent::__get($name); |
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} |
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/** |
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* Resolve any custom callbacks. |
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* |
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* @return $this|AbstractMatch |
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* @throws ErrorException |
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* |
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*/ |
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public function resolve(): AbstractMatch |
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{ |
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if ($this->resolved) { |
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1 |
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throw new ErrorException('Match already resolved'); |
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} |
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$this->resolved = true; |
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$this->getCallback(); |
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return $this; |
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} |
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public function __toString(): string |
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{ |
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return 'Successfully matched ' . $this->length . ' characters'; |
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} |
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} |
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vanderlee /
Comprehend
