49 lines
1.2 KiB
PHP
49 lines
1.2 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\Mapping\Factory;
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use Symfony\Component\Serializer\Exception\InvalidArgumentException;
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/**
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* Resolves a class name.
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*
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* @internal
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*
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* @author Kévin Dunglas <dunglas@gmail.com>
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*/
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trait ClassResolverTrait
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{
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/**
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* Gets a class name for a given class or instance.
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*
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* @param object|string $value
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*
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* @throws InvalidArgumentException If the class does not exist
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*/
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private function getClass($value): string
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{
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if (\is_string($value)) {
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if (!class_exists($value) && !interface_exists($value, false)) {
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throw new InvalidArgumentException(sprintf('The class or interface "%s" does not exist.', $value));
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}
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return ltrim($value, '\\');
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}
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if (!\is_object($value)) {
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throw new InvalidArgumentException(sprintf('Cannot create metadata for non-objects. Got: "%s".', \gettype($value)));
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}
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return \get_class($value);
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}
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}
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