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<?php |
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namespace Vanderlee\Comprehend\Parser\Output; |
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/** |
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* @author Martijn |
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*/ |
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trait ResultTrait |
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{ |
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/** |
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* List of result names to assign the matched text to. |
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* |
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* @var callable[] |
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*/ |
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private $resultCallbacks = []; |
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145 |
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private function resolveResultCallbacks(&$results, $text) |
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{ |
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foreach ($this->resultCallbacks as $callback) { |
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$callback($results, $text); |
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} |
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} |
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/** |
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* After parsing, assign the matched input of this parser to the named result. |
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* Only assign if successfully matched entire parent up to root. |
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* |
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* @param string|int $key |
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* @param null|callable|string $value |
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* |
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* @return $this |
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*/ |
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public function setResult($key = null, $value = null) |
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{ |
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$this->resultCallbacks[] = function (&$results, $text) use (&$key, &$value) { |
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if (is_callable($value)) { |
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$text = $value($text); |
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} elseif ($value !== null) { |
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$text = $value; |
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} |
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$results[$key] = $text; |
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}; |
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return $this; |
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} |
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/** |
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* If result exists, concatenate the matched text as a string, otherwise |
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* create it. If result is an array, concat to the last entry. |
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* |
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* @param null|string $key |
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* @param null|callable|string $value |
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* |
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* @return $this |
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*/ |
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public function concatResult($key = null, $value = null) |
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{ |
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$this->resultCallbacks[] = function (&$results, $text) use (&$key, &$value) { |
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if (is_callable($value)) { |
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$text = $value($text); |
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} elseif ($value !== null) { |
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$text = $value; |
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} |
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if (!isset($results[$key])) { |
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$results[$key] = (string)$text; |
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} elseif (is_array($results[$key])) { |
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$results[$key][] = array_pop($results[$key]) . $text; |
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} else { |
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$results[$key] .= $text; |
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} |
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}; |
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return $this; |
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} |
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/** |
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* Turn the result into an array and start a new entry. |
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* |
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* @param null|string $key |
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* @param null|callable|string $value |
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* |
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* @return $this |
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*/ |
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public function pushResult($key = null, $value = null) |
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{ |
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$this->resultCallbacks[] = function (&$results, $text) use (&$key, &$value) { |
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if (is_callable($value)) { |
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$text = $value($text); |
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} elseif ($value !== null) { |
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$text = $value; |
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} |
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if (!isset($results[$key])) { |
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$results[$key] = [$text]; |
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} elseif (is_array($results[$key])) { |
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$results[$key][] = $text; |
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} else { |
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$results[$key] = [$results[$key], $text]; |
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} |
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}; |
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return $this; |
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} |
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} |
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vanderlee /
Comprehend
