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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\Routing\Requirement;
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use Symfony\Component\Routing\Exception\InvalidArgumentException;
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final class EnumRequirement implements \Stringable
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{
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private string $requirement;
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/**
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* @template T of \BackedEnum
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*
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* @param class-string<T>|list<T> $cases
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*/
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public function __construct(string|array $cases = [])
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{
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if (\is_string($cases)) {
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if (!is_subclass_of($cases, \BackedEnum::class, true)) {
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throw new InvalidArgumentException(sprintf('"%s" is not a "BackedEnum" class.', $cases));
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}
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$cases = $cases::cases();
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} else {
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$class = null;
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foreach ($cases as $case) {
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if (!$case instanceof \BackedEnum) {
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throw new InvalidArgumentException(sprintf('Case must be a "BackedEnum" instance, "%s" given.', get_debug_type($case)));
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}
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$class ??= $case::class;
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if (!$case instanceof $class) {
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throw new InvalidArgumentException(sprintf('"%s::%s" is not a case of "%s".', get_debug_type($case), $case->name, $class));
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}
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}
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}
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$this->requirement = implode('|', array_map(static fn ($e) => preg_quote($e->value), $cases));
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}
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public function __toString(): string
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{
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return $this->requirement;
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}
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}
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