60 lines
1.7 KiB
PHP
60 lines
1.7 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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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 Symfony\Component\Serializer\NameConverter;
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/**
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* CamelCase to Underscore name converter.
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*
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* @author Kévin Dunglas <dunglas@gmail.com>
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*/
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class CamelCaseToSnakeCaseNameConverter implements NameConverterInterface
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{
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private $attributes;
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private $lowerCamelCase;
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/**
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* @param array|null $attributes The list of attributes to rename or null for all attributes
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* @param bool $lowerCamelCase Use lowerCamelCase style
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*/
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public function __construct(array $attributes = null, bool $lowerCamelCase = true)
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{
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$this->attributes = $attributes;
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$this->lowerCamelCase = $lowerCamelCase;
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}
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public function normalize(string $propertyName): string
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{
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if (null === $this->attributes || \in_array($propertyName, $this->attributes)) {
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return strtolower(preg_replace('/[A-Z]/', '_\\0', lcfirst($propertyName)));
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}
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return $propertyName;
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}
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public function denormalize(string $propertyName): string
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{
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$camelCasedName = preg_replace_callback('/(^|_|\.)+(.)/', function ($match) {
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return ('.' === $match[1] ? '_' : '').strtoupper($match[2]);
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}, $propertyName);
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if ($this->lowerCamelCase) {
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$camelCasedName = lcfirst($camelCasedName);
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}
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if (null === $this->attributes || \in_array($camelCasedName, $this->attributes)) {
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return $camelCasedName;
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}
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return $propertyName;
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}
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}
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