79 lines
2.4 KiB
PHP
79 lines
2.4 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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* Underscore to camelCase name converter.
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*
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* @author Kévin Dunglas <kevin@dunglas.dev>
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*/
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final readonly class SnakeCaseToCamelCaseNameConverter implements NameConverterInterface
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{
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/**
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* Require all properties to be written in camelCase.
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*/
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public const REQUIRE_CAMEL_CASE_PROPERTIES = 'require_camel_case_properties';
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/**
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* @param string[]|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 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 $propertyName;
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}
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$camelCasedName = preg_replace_callback(
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'/(^|_|\.)+(.)/',
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fn ($match) => ('.' === $match[1] ? '_' : '').strtoupper($match[2]),
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$propertyName
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);
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if ($this->lowerCamelCase) {
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$camelCasedName = lcfirst($camelCasedName);
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}
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return $camelCasedName;
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}
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/**
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* @param class-string|null $class
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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 $context = []): string
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{
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if (($context[self::REQUIRE_CAMEL_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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$snakeCased = strtolower(preg_replace('/[A-Z]/', '_\\0', lcfirst($propertyName)));
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if (null === $this->attributes || \in_array($snakeCased, $this->attributes, true)) {
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return $snakeCased;
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}
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return $propertyName;
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}
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}
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