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<?php |
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/* |
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* This file is part of the ICanBoogie package. |
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* |
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* (c) Olivier Laviale <[email protected]> |
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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 ICanBoogie\Transformation; |
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/** |
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* A transformation that uses a provider to find the best transformation for a given data. |
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* |
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* This transformation is very useful when dealing with nested data, or when you don't want to deal with type |
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* checking. |
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*/ |
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class MainTransformation implements Transformation |
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{ |
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/** |
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* @var TransformationProvider|callable |
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*/ |
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private $transformationProvider; |
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/** |
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* @param TransformationProvider|callable $transformationProvider |
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*/ |
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public function __construct(callable $transformationProvider) |
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{ |
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$this->transformationProvider = $transformationProvider; |
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} |
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/** |
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* @param mixed $data |
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* @param Transformation|callable|null $transformation If provided, the specified transformation is used |
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* instead of this one as parameter for the transformation associated with the data. |
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* |
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* @return mixed |
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*/ |
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public function __invoke($data, callable $transformation = null) |
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{ |
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if ($data === null || is_scalar($data)) { |
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return $data; |
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} |
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$transformation = $transformation ?: $this; |
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try { |
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return ($this->transformationProvider)($data)($data, $transformation); |
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} catch (TransformationNotFound $e) { |
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// it's ok, we might still be able to transform it… |
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} |
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if (!is_array($data) && !$data instanceof \Traversable) { |
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throw new TransformationNotFound($data, null, $e); |
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} |
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return $this->transformIterable($data, $transformation); |
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} |
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/** |
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* @param \Traversable|array $data |
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* @param callable $transformation |
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* |
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* @return array |
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*/ |
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private function transformIterable($data, callable $transformation): array |
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{ |
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$array = []; |
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foreach ($data as $item) { |
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$array[] = $this($item, $transformation); |
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} |
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return $array; |
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} |
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} |
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ICanBoogie /
Transformation
