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<?php |
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/** |
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* Quantum PHP Framework |
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* |
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* An open source software development framework for PHP |
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* |
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* @package Quantum |
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* @author Arman Ag. <[email protected]> |
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* @copyright Copyright (c) 2018 Softberg LLC (https://softberg.org) |
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* @link http://quantum.softberg.org/ |
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* @since 2.2.0 |
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*/ |
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namespace Quantum\Di; |
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use Quantum\Exceptions\DiException; |
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use ReflectionFunction; |
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use ReflectionClass; |
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use ReflectionMethod; |
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/** |
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* Di Class |
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* |
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* @package Quantum |
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* @category Di |
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*/ |
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class Di |
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{ |
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/** |
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* @var array |
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*/ |
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private static $dependencies = []; |
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/** |
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* @var array |
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*/ |
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private static $contianer = []; |
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/** |
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* Loads dependency definitions |
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*/ |
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public static function loadDefinitions() |
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{ |
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self::$dependencies = self::coreDependencies(); |
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} |
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/** |
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* Create and inject dependencies. |
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* @param string|callable $entry |
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* @param array $additional |
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* @return array |
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*/ |
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public static function autowire($entry, array $additional = []) |
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{ |
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if (is_callable($entry)) { |
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$reflaction = new ReflectionFunction($entry); |
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} else { |
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list($controller, $action) = explode(':', $entry); |
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$reflaction = new ReflectionMethod($controller, $action); |
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} |
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$params = []; |
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foreach ($reflaction->getParameters() as $param) { |
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$type = $param->getType(); |
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if (!$type || !self::instatiatable($type)) { |
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array_push($params, current($additional)); |
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next($additional); |
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continue; |
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} |
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$dependency = $param->getType(); |
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array_push($params, self::get($dependency)); |
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} |
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return $params; |
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} |
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/** |
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* Gets the dependency from the container |
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* @param string $dependency |
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* @return mixed |
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* @throws DiException |
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*/ |
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public static function get(string $dependency) |
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{ |
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if (!in_array($dependency, self::$dependencies)) { |
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throw new DiException(_message(DiException::NOT_FOUND, $dependency)); |
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} |
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if (!isset(self::$contianer[$dependency])) { |
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self::instantiate($dependency); |
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} |
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return self::$contianer[$dependency]; |
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} |
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/** |
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* Instantiates the dependency |
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* @param string $dependency |
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*/ |
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protected static function instantiate(string $dependency) |
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{ |
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$class = new ReflectionClass($dependency); |
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$constructor = $class->getConstructor(); |
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$params = []; |
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if ($constructor) { |
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foreach ($constructor->getParameters() as $param) { |
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$type = (string) $param->getType(); |
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if (!$type || !self::instatiatable($type)) { |
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continue; |
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} |
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$params[] = self::get($type); |
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} |
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} |
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self::$contianer[$dependency] = new $dependency(...$params); |
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} |
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/** |
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* Checks if the class is instantiable |
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* @param mixed $type |
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* @return boolean |
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*/ |
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protected static function instatiatable($type) |
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{ |
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return $type != 'Closure' && !is_callable($type) && class_exists($type); |
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} |
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/** |
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* Gets the core dependencies |
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* @return array |
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*/ |
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private static function coreDependencies() |
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{ |
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return [ |
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\Quantum\Http\Request::class, |
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\Quantum\Http\Response::class, |
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\Quantum\Loader\Loader::class, |
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\Quantum\Factory\ViewFactory::class, |
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\Quantum\Factory\ModelFactory::class, |
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\Quantum\Factory\ServiceFactory::class, |
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\Quantum\Libraries\Mailer\Mailer::class, |
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\Quantum\Libraries\Storage\FileSystem::class, |
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]; |
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} |
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} |
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softberg /
quantum-php-core
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