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<?php |
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namespace Tleckie\Di; |
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use Psr\Container\NotFoundExceptionInterface; |
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use Tleckie\Di\Definition\Adapter\AdapterInterface; |
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use Tleckie\Di\Definition\Definition; |
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use Tleckie\Di\Definition\Handler\ArrayHandler; |
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use Tleckie\Di\Definition\Handler\ClosureHandler; |
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use Tleckie\Di\Definition\Handler\HandlerInterface; |
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use Tleckie\Di\Definition\Handler\InstanceHandler; |
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use Tleckie\Di\Definition\Handler\NumericHandler; |
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use Tleckie\Di\Definition\Handler\ObjectHandler; |
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use Tleckie\Di\Definition\Handler\StringHandler; |
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/** |
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* Class Di |
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* |
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* @package Tleckie\Di |
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* @author Teodoro Leckie Westberg <[email protected]> |
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*/ |
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class Di implements DiInterface |
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{ |
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/** @var array */ |
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private array $definitions = []; |
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/** @var array */ |
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private array $indexed = []; |
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/** @var HandlerInterface|null */ |
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private HandlerInterface|null $handler = null; |
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/** |
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* Di constructor. |
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*/ |
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public function __construct() |
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{ |
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$handler = new StringHandler($this); |
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$handler |
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->next(new NumericHandler($this)) |
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->next(new InstanceHandler($this)) |
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->next(new ClosureHandler($this)) |
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->next(new ObjectHandler($this)) |
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->next(new ArrayHandler($this)); |
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$this->changeHandler($handler); |
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} |
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/** |
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* @param HandlerInterface $handler |
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* @return DiInterface |
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*/ |
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public function changeHandler(HandlerInterface $handler): DiInterface |
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{ |
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$this->handler = $handler; |
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return $this; |
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} |
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/** |
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* @return HandlerInterface|null |
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*/ |
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public function handler(): ?HandlerInterface |
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{ |
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return $this->handler; |
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} |
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/** |
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* @param AdapterInterface $adapter |
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* @return DiInterface |
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*/ |
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public function setAdapter(AdapterInterface $adapter): DiInterface |
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{ |
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$this->definitions = $adapter->load(); |
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return $this; |
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} |
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/** |
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* @param string $id |
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* @return mixed |
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* @throws NotFoundExceptionInterface |
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*/ |
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public function get(string $id): mixed |
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{ |
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if (isset($this->indexed[$id])) { |
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return $this->indexed[$id]; |
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} |
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if (!$this->has($id)) { |
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return $id; |
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} |
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if ($this->newInstance($id)) { |
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return $this->handler->handle($this->definitions[$id]); |
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} |
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return $this->indexed[$id] = $this->handler->handle($this->definitions[$id]); |
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} |
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/** |
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* @param string $id |
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* @return bool |
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*/ |
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public function has(string $id): bool |
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{ |
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return isset($this->definitions[$id]); |
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} |
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/** |
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* @param string $id |
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* @return bool |
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*/ |
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private function newInstance(string $id): bool |
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{ |
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return is_array($this->definitions[$id]) |
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&& isset($this->definitions[$id]['newInstance']) |
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&& true === $this->definitions[$id]['newInstance']; |
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} |
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} |
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teodoroleckie /
di
