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<?php |
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namespace Magefix\Fixture; |
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use Magefix\Exceptions\ProviderMethodNotFound; |
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use Magefix\Fixtures\Data\Provider; |
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/** |
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* Class DataIterator |
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* |
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* @package Magefix\Fixture\Attributes |
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* @author Carlo Tasca <[email protected]> |
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*/ |
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class DataIterator extends \ArrayIterator |
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{ |
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/** |
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* @var Provider |
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*/ |
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private $_provider; |
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/** |
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* @param Provider $_provider |
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* @return array |
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*/ |
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public function apply(Provider $_provider) |
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{ |
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$this->_provider = $_provider; |
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$data = $this->getArrayCopy(); |
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array_walk_recursive($data, [$this, 'traverse']); |
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return $data; |
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} |
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/** |
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* array_walk_recursive callback |
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* |
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* @param $value |
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* @param $index |
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*/ |
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public function traverse(&$value, $index) |
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{ |
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$this->_setProvider($index, $value); |
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$value = $this->_invokeProviderMethod($value); |
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} |
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/** |
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* @return bool |
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* |
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*/ |
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protected function _canApply() |
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{ |
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return is_callable(call_user_func(array(get_class($this), 'traverse'), $this)); |
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} |
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/** |
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* @param Provider $provider |
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* @param $method |
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* |
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* @throws ProviderMethodNotFound |
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* |
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*/ |
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protected function _throwMethodNotFoundExceptionForProvider(Provider $provider, $method) |
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{ |
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throw new ProviderMethodNotFound( |
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"Given provider does not have the method " . $method . ' -> ' . get_class($provider) |
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); |
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} |
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/** |
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* @param $index |
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* @param $value |
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*/ |
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protected function _setProvider($index, $value) |
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{ |
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if ($index == 'data_provider') { |
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$dataProvider = new \ReflectionClass($value); |
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$this->_provider = $dataProvider->newInstance(); |
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} |
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} |
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/** |
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* @param $value |
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* @return mixed |
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* @throws ProviderMethodNotFound |
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*/ |
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protected function _invokeProviderMethod($value) |
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{ |
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$return = $value; |
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if ($this->_isReplaceableValue($value)) { |
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$return = $this->_replaceValue($value); |
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} |
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return $return; |
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} |
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/** |
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* @param $method |
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* |
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* @return bool |
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* |
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*/ |
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protected function _isInvokableForProviderInScope($method) |
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{ |
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return method_exists($this->_provider, $method); |
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} |
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/** |
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* @param $value |
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* @return int |
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*/ |
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protected function _isReplaceableValue($value) |
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{ |
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return preg_match('/^\{\{.*?\}\}$/i', $value); |
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} |
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/** |
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* @param $value |
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* @return mixed |
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* @throws ProviderMethodNotFound |
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*/ |
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protected function _replaceValue($value) |
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{ |
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$method = trim($value, '{}'); |
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if (!$this->_isInvokableForProviderInScope($method)) { |
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$this->_throwMethodNotFoundExceptionForProvider($this->_provider, $method); |
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} |
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return $this->_provider->$method(); |
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} |
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} |
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ctasca /
magefix
