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<?php |
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/** |
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* inetprocess/transformation |
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* |
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* PHP Version 5.3 |
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* |
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* @author Rémi Sauvat |
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* @copyright 2005-2015 iNet Process |
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* |
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* @package inetprocess/transformation |
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* |
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* @license GNU General Public License v2.0 |
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* |
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* @link http://www.inetprocess.com |
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*/ |
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namespace Inet\Transformation\Rule; |
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use Inet\Transformation\Exception\TransformationException; |
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/** |
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* Call a function and send back the result |
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*/ |
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class Map extends AbstractRule |
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{ |
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protected $mapping = array(); |
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/** |
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* Operate the transformation |
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* If input is an array each cell is replaced independently |
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* and an array is returned |
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* |
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* @param mixed $input |
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* @param array $arguments |
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* |
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* @throws Inet\Transformation\Exception\TransformationException |
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* |
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* @return mixed |
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*/ |
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public function transform($input, $arguments) |
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{ |
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// I should have two arguments: old format / new format |
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if (count($arguments) !== 1) { |
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throw new TransformationException( |
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'Rule Map expects exactly 1 argument' |
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); |
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} |
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$mapping = $arguments[0]; |
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if (!is_array($mapping)) { |
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throw new TransformationException( |
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'First argument of Map should by an assosiative array' |
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1 |
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); |
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} |
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$this->mapping = $mapping; |
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if (!is_array($input)) { |
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return $this->replace($input); |
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} |
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return array_map(array($this, 'replace'), $input); |
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} |
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/** |
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* @param string $value |
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*/ |
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public function replace($value) |
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{ |
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// If not array map and return fast |
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if (array_key_exists($value, $this->mapping)) { |
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return $this->mapping[$value]; |
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} |
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// Couldn't map so return as is |
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return $value; |
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} |
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} |
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inetprocess /
transformation
