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<?php |
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/** |
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* This file is part of plumphp/plum. |
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* |
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* (c) Florian Eckerstorfer <[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 Plum\Plum\Pipe; |
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use InvalidArgumentException; |
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use Plum\Plum\Converter\CallbackConverter; |
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use Plum\Plum\Converter\ConverterInterface; |
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/** |
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* ConverterPipe. |
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* |
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* @author Florian Eckerstorfer |
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* @copyright 2014-2016 Florian Eckerstorfer |
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*/ |
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class ConverterPipe extends AbstractPipe |
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{ |
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/** |
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* @param ConverterInterface|callable|array $element |
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* |
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* @return ConverterPipe |
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*/ |
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public static function createConverter($element) |
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{ |
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if (is_callable($element)) { |
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$converter = new CallbackConverter($element); |
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} elseif (self::hasElementCallbackConverter($element)) { |
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$converter = new CallbackConverter($element['converter']); |
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} elseif ($element instanceof ConverterInterface) { |
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$converter = $element; |
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} elseif (self::hasElementConverter($element)) { |
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$converter = $element['converter']; |
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} else { |
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throw new InvalidArgumentException('Workflow::addConverter() must be called with either an instance of '. |
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'"Plum\Plum\Converter\ConverterInterface" or with an array that '. |
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'contains "converter".'); |
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} |
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$pipe = new self($element); |
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$pipe->converter = $converter; |
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return $pipe; |
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} |
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/** |
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* @param array|callable|ConverterInterface $element |
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* |
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* @return bool |
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*/ |
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protected static function hasElementCallbackConverter($element) |
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{ |
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return is_array($element) && isset($element['converter']) && is_callable($element['converter']); |
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} |
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/** |
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* @param array|callable|ConverterInterface $element |
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* |
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* @return bool |
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*/ |
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protected static function hasElementConverter($element) |
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{ |
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return is_array($element) |
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&& isset($element['converter']) |
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&& $element['converter'] instanceof ConverterInterface; |
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} |
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} |
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plumphp /
plum
