81 lines
2.7 KiB
PHP
81 lines
2.7 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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use Symfony\Component\Serializer\Exception\UnexpectedPropertyException;
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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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* @author Aurélien Pillevesse <aurelienpillevesse@hotmail.fr>
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*/
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class CamelCaseToSnakeCaseNameConverter implements NameConverterInterface
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{
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/**
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* Require all properties to be written in snake_case.
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*/
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public const REQUIRE_SNAKE_CASE_PROPERTIES = 'require_snake_case_properties';
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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(
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private ?array $attributes = null,
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private bool $lowerCamelCase = true,
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) {
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}
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/**
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* @param class-string|null $class
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* @param string|null $format
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* @param array<string, mixed> $context
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*/
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public function normalize(string $propertyName/* , ?string $class = null, ?string $format = null, array $context = [] */): string
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{
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if (null === $this->attributes || \in_array($propertyName, $this->attributes, true)) {
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return strtolower(preg_replace('/[A-Z]/', '_\\0', lcfirst($propertyName)));
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}
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return $propertyName;
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}
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/**
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* @param class-string|null $class
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* @param string|null $format
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* @param array<string, mixed> $context
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*/
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public function denormalize(string $propertyName/* , ?string $class = null, ?string $format = null, array $context = [] */): string
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{
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$class = 1 < \func_num_args() ? func_get_arg(1) : null;
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$format = 2 < \func_num_args() ? func_get_arg(2) : null;
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$context = 3 < \func_num_args() ? func_get_arg(3) : [];
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if (($context[self::REQUIRE_SNAKE_CASE_PROPERTIES] ?? false) && $propertyName !== $this->normalize($propertyName, $class, $format, $context)) {
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throw new UnexpectedPropertyException($propertyName);
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}
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$camelCasedName = preg_replace_callback('/(^|_|\.)+(.)/', fn ($match) => ('.' === $match[1] ? '_' : '').strtoupper($match[2]), $propertyName);
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if ($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, true)) {
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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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