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<?php |
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declare(strict_types=1); |
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namespace Cekta\DI; |
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use ReflectionClass; |
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use ReflectionException; |
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use ReflectionMethod; |
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class Reflection |
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{ |
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/** |
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* @var ReflectionTransformer[] |
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*/ |
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private $transformers; |
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public function __construct(ReflectionTransformer ...$tranfromers) |
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{ |
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$this->transformers = $tranfromers; |
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} |
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/** |
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* @param string $name |
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* @return string[] |
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* @internal |
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*/ |
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public function getDependencies(string $name): array |
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{ |
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try { |
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$class = new ReflectionClass($name); |
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$dependencies = self::getMethodDependencies($class->getConstructor()); |
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return $this->tranform($class->getName(), $dependencies); |
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} catch (ReflectionException $exception) { |
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return []; |
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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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* @internal |
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*/ |
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public function isVariadic(string $name): bool |
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{ |
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try { |
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$class = new ReflectionClass($name); |
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if ($class->getConstructor() !== null) { |
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$parameters = $class->getConstructor()->getParameters(); |
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$count = count($parameters); |
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return $count > 0 ? $parameters[$count - 1]->isVariadic() : false; |
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} |
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return false; |
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} catch (ReflectionException $exception) { |
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return false; |
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} |
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} |
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6 |
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/** |
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* @param string $name |
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* @return bool |
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* @internal |
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*/ |
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public function isInstantiable(string $name): bool |
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{ |
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try { |
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$class = new ReflectionClass($name); |
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return $class->isInstantiable(); |
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} catch (ReflectionException $exception) { |
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return false; |
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} |
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} |
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3 |
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private static function getMethodDependencies(?ReflectionMethod $method): array |
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3 |
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{ |
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$parameters = []; |
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if ($method !== null) { |
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$annotations = self::getAnnotationParameters((string) $method->getDocComment()); |
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foreach ($method->getParameters() as $parameter) { |
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$class = $parameter->getClass(); |
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$name = $class && $parameter->isVariadic() !== true ? $class->name : $parameter->name; |
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$parameters[$name] = array_key_exists($name, $annotations) ? $annotations[$name] : $name; |
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} |
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} |
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return array_values($parameters); |
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} |
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private function tranform(string $name, array $params) |
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{ |
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foreach ($this->transformers as $tranfromer) { |
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$params = $tranfromer->transform($name, $params); |
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} |
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return $params; |
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} |
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private static function getAnnotationParameters(string $comment) |
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3 |
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{ |
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$result = []; |
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$matches = []; |
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preg_match_all("/@inject \\\\?([\w\d\\\\]*) \\$([\w\d]*)/", $comment, $matches, PREG_SET_ORDER); |
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foreach ($matches as $match) { |
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$result[$match[2]] = $match[1]; |
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} |
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return $result; |
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} |
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} |
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cekta /
di
