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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Routing\Requirement;
use Symfony\Component\Routing\Exception\InvalidArgumentException;
final class EnumRequirement implements \Stringable
{
private string $requirement;
/**
* @template T of \BackedEnum
*
* @param class-string<T>|list<T> $cases
*/
public function __construct(string|array $cases = [])
{
if (\is_string($cases)) {
if (!is_subclass_of($cases, \BackedEnum::class, true)) {
throw new InvalidArgumentException(sprintf('"%s" is not a "BackedEnum" class.', $cases));
}
$cases = $cases::cases();
} else {
$class = null;
foreach ($cases as $case) {
if (!$case instanceof \BackedEnum) {
throw new InvalidArgumentException(sprintf('Case must be a "BackedEnum" instance, "%s" given.', get_debug_type($case)));
}
$class ??= $case::class;
if (!$case instanceof $class) {
throw new InvalidArgumentException(sprintf('"%s::%s" is not a case of "%s".', get_debug_type($case), $case->name, $class));
}
}
}
$this->requirement = implode('|', array_map(static fn ($e) => preg_quote($e->value), $cases));
}
public function __toString(): string
{
return $this->requirement;
}
}
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