/usr/share/php/Symfony/Component/Serializer/NameConverter/CamelCaseToSnakeCaseNameConverter.php is in php-symfony-serializer 3.4.6+dfsg-1.
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/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Serializer\NameConverter;
/**
* CamelCase to Underscore name converter.
*
* @author Kévin Dunglas <dunglas@gmail.com>
*/
class CamelCaseToSnakeCaseNameConverter implements NameConverterInterface
{
private $attributes;
private $lowerCamelCase;
/**
* @param null|array $attributes The list of attributes to rename or null for all attributes
* @param bool $lowerCamelCase Use lowerCamelCase style
*/
public function __construct(array $attributes = null, $lowerCamelCase = true)
{
$this->attributes = $attributes;
$this->lowerCamelCase = $lowerCamelCase;
}
/**
* {@inheritdoc}
*/
public function normalize($propertyName)
{
if (null === $this->attributes || \in_array($propertyName, $this->attributes)) {
return strtolower(preg_replace('/[A-Z]/', '_\\0', lcfirst($propertyName)));
}
return $propertyName;
}
/**
* {@inheritdoc}
*/
public function denormalize($propertyName)
{
$camelCasedName = preg_replace_callback('/(^|_|\.)+(.)/', function ($match) {
return ('.' === $match[1] ? '_' : '').strtoupper($match[2]);
}, $propertyName);
if ($this->lowerCamelCase) {
$camelCasedName = lcfirst($camelCasedName);
}
if (null === $this->attributes || \in_array($camelCasedName, $this->attributes)) {
return $camelCasedName;
}
return $propertyName;
}
}
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