67 lines
2.3 KiB
PHP
67 lines
2.3 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\DependencyInjection\Attribute;
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use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
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use Symfony\Component\DependencyInjection\Exception\LogicException;
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/**
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* An attribute to tell how a dependency is used and hint named autowiring aliases.
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*
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* @author Nicolas Grekas <p@tchwork.com>
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*/
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#[\Attribute(\Attribute::TARGET_PARAMETER)]
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final class Target
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{
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/**
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* @param string|null $name The name of the target autowiring alias
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*/
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public function __construct(public ?string $name = null)
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{
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}
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public function getParsedName(): string
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{
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if (null === $this->name) {
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throw new LogicException(sprintf('Cannot parse the name of a #[Target] attribute that has not been resolved. Did you forget to call "%s::parseName()"?', __CLASS__));
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}
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return lcfirst(str_replace(' ', '', ucwords(preg_replace('/[^a-zA-Z0-9\x7f-\xff]++/', ' ', $this->name))));
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}
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public static function parseName(\ReflectionParameter $parameter, ?self &$attribute = null, ?string &$parsedName = null): string
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{
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$attribute = null;
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if (!$target = $parameter->getAttributes(self::class)[0] ?? null) {
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$parsedName = (new self($parameter->name))->getParsedName();
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return $parameter->name;
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}
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$attribute = $target->newInstance();
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$name = $attribute->name ??= $parameter->name;
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$parsedName = $attribute->getParsedName();
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if (!preg_match('/^[a-zA-Z_\x7f-\xff]/', $parsedName)) {
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if (($function = $parameter->getDeclaringFunction()) instanceof \ReflectionMethod) {
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$function = $function->class.'::'.$function->name;
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} else {
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$function = $function->name;
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}
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throw new InvalidArgumentException(sprintf('Invalid #[Target] name "%s" on parameter "$%s" of "%s()": the first character must be a letter.', $name, $parameter->name, $function));
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}
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return preg_match('/^[a-zA-Z0-9_\x7f-\xff]++$/', $name) ? $name : $parsedName;
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}
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}
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