Chris@0: <?php
Chris@0: 
Chris@0: /*
Chris@0:  * This file is part of the Symfony package.
Chris@0:  *
Chris@0:  * (c) Fabien Potencier <fabien@symfony.com>
Chris@0:  *
Chris@0:  * For the full copyright and license information, please view the LICENSE
Chris@0:  * file that was distributed with this source code.
Chris@0:  */
Chris@0: 
Chris@0: namespace Symfony\Component\Serializer\NameConverter;
Chris@0: 
Chris@0: /**
Chris@0:  * CamelCase to Underscore name converter.
Chris@0:  *
Chris@0:  * @author Kévin Dunglas <dunglas@gmail.com>
Chris@0:  */
Chris@0: class CamelCaseToSnakeCaseNameConverter implements NameConverterInterface
Chris@0: {
Chris@0:     private $attributes;
Chris@0:     private $lowerCamelCase;
Chris@0: 
Chris@0:     /**
Chris@17:      * @param array|null $attributes     The list of attributes to rename or null for all attributes
Chris@0:      * @param bool       $lowerCamelCase Use lowerCamelCase style
Chris@0:      */
Chris@0:     public function __construct(array $attributes = null, $lowerCamelCase = true)
Chris@0:     {
Chris@0:         $this->attributes = $attributes;
Chris@0:         $this->lowerCamelCase = $lowerCamelCase;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function normalize($propertyName)
Chris@0:     {
Chris@14:         if (null === $this->attributes || \in_array($propertyName, $this->attributes)) {
Chris@14:             return strtolower(preg_replace('/[A-Z]/', '_\\0', lcfirst($propertyName)));
Chris@0:         }
Chris@0: 
Chris@0:         return $propertyName;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function denormalize($propertyName)
Chris@0:     {
Chris@0:         $camelCasedName = preg_replace_callback('/(^|_|\.)+(.)/', function ($match) {
Chris@0:             return ('.' === $match[1] ? '_' : '').strtoupper($match[2]);
Chris@0:         }, $propertyName);
Chris@0: 
Chris@0:         if ($this->lowerCamelCase) {
Chris@0:             $camelCasedName = lcfirst($camelCasedName);
Chris@0:         }
Chris@0: 
Chris@14:         if (null === $this->attributes || \in_array($camelCasedName, $this->attributes)) {
Chris@0:             return $camelCasedName;
Chris@0:         }
Chris@0: 
Chris@0:         return $propertyName;
Chris@0:     }
Chris@0: }