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<?php |
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/** |
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* This file is part of Railt package. |
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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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declare(strict_types=1); |
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namespace Railt\Reflection\Definition\Behaviour; |
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use Railt\Reflection\Contracts\Definition\Behaviour\ProvidesInheritance; |
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use Railt\Reflection\Contracts\Definition\TypeDefinition; |
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/** |
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* Trait HasInheritance |
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*/ |
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trait HasInheritance |
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{ |
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/** |
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* @var array|string[] |
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*/ |
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protected $parents = []; |
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/** |
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* @param string|TypeDefinition $type |
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* @return TypeDefinition |
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*/ |
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abstract protected function fetch($type): TypeDefinition; |
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/** |
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* @return iterable|TypeDefinition[] |
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*/ |
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public function getParents(): iterable |
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{ |
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foreach ($this->parents as $parent) { |
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yield $this->fetch($parent); |
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} |
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} |
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/** |
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* @param string $name |
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* @return bool |
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*/ |
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public function hasParent(string $name): bool |
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{ |
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return \in_array($name, $this->parents, true); |
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} |
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/** |
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* @param string $name |
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* @return null|TypeDefinition |
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*/ |
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public function getParent(string $name): ?TypeDefinition |
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{ |
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return \in_array($name, $this->parents, true) ? $this->fetch($name) : null; |
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} |
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/** |
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* @param TypeDefinition|string ...$definitions |
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* @return ProvidesInheritance|$this |
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*/ |
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public function extends(...$definitions): ProvidesInheritance |
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{ |
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foreach ($definitions as $definition) { |
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$definition = $definition instanceof TypeDefinition ? $definition->getName() : $definition; |
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$this->parents[] = $definition->getName(); |
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} |
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return $this; |
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} |
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/** |
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* @param string|TypeDefinition $type |
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* @return bool |
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*/ |
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public function isExtends($type): bool |
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{ |
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$definition = $this->fetch($type); |
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foreach ($this->getParents() as $parent) { |
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if ($parent->instanceOf($definition)) { |
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return true; |
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} |
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} |
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return false; |
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} |
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} |
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railt /
reflection
Methods can only be called on objects. This check looks for methods being called on variables that have been inferred to never be objects.