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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\HttpKernel\ControllerMetadata;
- /**
- * Responsible for storing metadata of an argument.
- *
- * @author Iltar van der Berg <kjarli@gmail.com>
- */
- class ArgumentMetadata
- {
- public const IS_INSTANCEOF = 2;
- private string $name;
- private ?string $type;
- private bool $isVariadic;
- private bool $hasDefaultValue;
- private mixed $defaultValue;
- private bool $isNullable;
- private array $attributes;
- /**
- * @param object[] $attributes
- */
- public function __construct(string $name, ?string $type, bool $isVariadic, bool $hasDefaultValue, mixed $defaultValue, bool $isNullable = false, array $attributes = [])
- {
- $this->name = $name;
- $this->type = $type;
- $this->isVariadic = $isVariadic;
- $this->hasDefaultValue = $hasDefaultValue;
- $this->defaultValue = $defaultValue;
- $this->isNullable = $isNullable || null === $type || ($hasDefaultValue && null === $defaultValue);
- $this->attributes = $attributes;
- }
- /**
- * Returns the name as given in PHP, $foo would yield "foo".
- */
- public function getName(): string
- {
- return $this->name;
- }
- /**
- * Returns the type of the argument.
- *
- * The type is the PHP class in 5.5+ and additionally the basic type in PHP 7.0+.
- */
- public function getType(): ?string
- {
- return $this->type;
- }
- /**
- * Returns whether the argument is defined as "...$variadic".
- */
- public function isVariadic(): bool
- {
- return $this->isVariadic;
- }
- /**
- * Returns whether the argument has a default value.
- *
- * Implies whether an argument is optional.
- */
- public function hasDefaultValue(): bool
- {
- return $this->hasDefaultValue;
- }
- /**
- * Returns whether the argument accepts null values.
- */
- public function isNullable(): bool
- {
- return $this->isNullable;
- }
- /**
- * Returns the default value of the argument.
- *
- * @throws \LogicException if no default value is present; {@see self::hasDefaultValue()}
- */
- public function getDefaultValue(): mixed
- {
- if (!$this->hasDefaultValue) {
- throw new \LogicException(\sprintf('Argument $%s does not have a default value. Use "%s::hasDefaultValue()" to avoid this exception.', $this->name, __CLASS__));
- }
- return $this->defaultValue;
- }
- /**
- * @param class-string $name
- * @param self::IS_INSTANCEOF|0 $flags
- *
- * @return array<object>
- */
- public function getAttributes(?string $name = null, int $flags = 0): array
- {
- if (!$name) {
- return $this->attributes;
- }
- return $this->getAttributesOfType($name, $flags);
- }
- /**
- * @template T of object
- *
- * @param class-string<T> $name
- * @param self::IS_INSTANCEOF|0 $flags
- *
- * @return array<T>
- */
- public function getAttributesOfType(string $name, int $flags = 0): array
- {
- $attributes = [];
- if ($flags & self::IS_INSTANCEOF) {
- foreach ($this->attributes as $attribute) {
- if ($attribute instanceof $name) {
- $attributes[] = $attribute;
- }
- }
- } else {
- foreach ($this->attributes as $attribute) {
- if ($attribute::class === $name) {
- $attributes[] = $attribute;
- }
- }
- }
- return $attributes;
- }
- }
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