91 lines
3.1 KiB
PHP
91 lines
3.1 KiB
PHP
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<?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\Normalizer;
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use Symfony\Component\Serializer\Exception\InvalidArgumentException;
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use Symfony\Component\Serializer\Exception\NotNormalizableValueException;
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/**
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* Normalizes a {@see \BackedEnum} enumeration to a string or an integer.
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*
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* @author Alexandre Daubois <alex.daubois@gmail.com>
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*/
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final class BackedEnumNormalizer implements NormalizerInterface, DenormalizerInterface
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{
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/**
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* If true, will denormalize any invalid value into null.
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*/
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public const ALLOW_INVALID_VALUES = 'allow_invalid_values';
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public function getSupportedTypes(?string $format): array
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{
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return [
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\BackedEnum::class => true,
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];
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}
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public function normalize(mixed $object, ?string $format = null, array $context = []): int|string
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{
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if (!$object instanceof \BackedEnum) {
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throw new InvalidArgumentException('The data must belong to a backed enumeration.');
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}
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return $object->value;
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}
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public function supportsNormalization(mixed $data, ?string $format = null, array $context = []): bool
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{
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return $data instanceof \BackedEnum;
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}
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/**
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* @throws NotNormalizableValueException
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*/
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public function denormalize(mixed $data, string $type, ?string $format = null, array $context = []): mixed
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{
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if (!is_subclass_of($type, \BackedEnum::class)) {
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throw new InvalidArgumentException('The data must belong to a backed enumeration.');
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}
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if ($context[self::ALLOW_INVALID_VALUES] ?? false) {
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if (null === $data || (!\is_int($data) && !\is_string($data))) {
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return null;
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}
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try {
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return $type::tryFrom($data);
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} catch (\TypeError) {
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return null;
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}
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}
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if (!\is_int($data) && !\is_string($data)) {
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throw NotNormalizableValueException::createForUnexpectedDataType('The data is neither an integer nor a string, you should pass an integer or a string that can be parsed as an enumeration case of type '.$type.'.', $data, ['int', 'string'], $context['deserialization_path'] ?? null, true);
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}
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try {
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return $type::from($data);
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} catch (\ValueError $e) {
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if (isset($context['has_constructor'])) {
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throw new InvalidArgumentException('The data must belong to a backed enumeration of type '.$type, 0, $e);
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}
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throw NotNormalizableValueException::createForUnexpectedDataType('The data must belong to a backed enumeration of type '.$type, $data, [$type], $context['deserialization_path'] ?? null, true, 0, $e);
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}
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}
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public function supportsDenormalization(mixed $data, string $type, ?string $format = null, array $context = []): bool
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{
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return is_subclass_of($type, \BackedEnum::class);
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}
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}
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