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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\DependencyInjection\Attribute;
use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
/**
* An attribute to tell how a dependency is used and hint named autowiring aliases.
*
* @author Nicolas Grekas <p@tchwork.com>
*/
#[\Attribute(\Attribute::TARGET_PARAMETER)]
final class Target
{
public string $name;
public function __construct(string $name)
{
$this->name = lcfirst(str_replace(' ', '', ucwords(preg_replace('/[^a-zA-Z0-9\x7f-\xff]++/', ' ', $name))));
}
public static function parseName(\ReflectionParameter $parameter, self &$attribute = null): string
{
$attribute = null;
if (!$target = $parameter->getAttributes(self::class)[0] ?? null) {
return $parameter->name;
}
$attribute = $target->newInstance();
$name = $attribute->name;
if (!preg_match('/^[a-zA-Z_\x7f-\xff]/', $name)) {
if (($function = $parameter->getDeclaringFunction()) instanceof \ReflectionMethod) {
$function = $function->class.'::'.$function->name;
} else {
$function = $function->name;
}
throw new InvalidArgumentException(sprintf('Invalid #[Target] name "%s" on parameter "$%s" of "%s()": the first character must be a letter.', $name, $parameter->name, $function));
}
return $name;
}
}