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<?php |
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declare(strict_types=1); |
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namespace Cascader; |
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use BetterReflection\Reflection\ReflectionClass; |
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use Cascader\Exception\InvalidClassException; |
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use Cascader\Exception\InvalidOptionsException; |
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use Cascader\Exception\OptionNotSetException; |
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use phpDocumentor\Reflection\Types\Object_; |
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class Cascader |
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{ |
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/** |
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* @param string $className |
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* @param array $options |
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* |
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* @throws InvalidClassException |
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* @throws InvalidOptionsException |
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* |
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* @return object |
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*/ |
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public static function create(string $className, array $options) |
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{ |
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if (!class_exists($className)) { |
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throw InvalidClassException::forNonExistingClass($className); |
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} |
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$reflectionClass = ReflectionClass::createFromName($className); |
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if (!$reflectionClass->isInstantiable()) { |
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throw InvalidClassException::forNonInstantiableClass($className); |
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} |
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$options = Options::fromArray($options); |
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$arguments = self::marshalArguments($options, $reflectionClass); |
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return new $className(...$arguments); |
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} |
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protected static function marshalArguments(Options $options, ReflectionClass $reflectionClass) : array |
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{ |
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if (!$reflectionClass->hasMethod('__construct')) { |
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return []; |
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} |
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$arguments = []; |
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$className = $reflectionClass->getName(); |
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$constructorParameters = $reflectionClass->getConstructor()->getParameters(); |
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foreach ($constructorParameters as $parameter) { |
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/* @var $parameter \BetterReflection\Reflection\ReflectionParameter */ |
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$parameterName = $parameter->getName(); |
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$argument = null; |
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try { |
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$argument = $options->get($parameterName); |
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if (null !== ($parameterType = $parameter->getType())) { |
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$parameterTypeObject = $parameterType->getTypeObject(); |
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if (is_array($argument) && $parameterTypeObject instanceof Object_) { |
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$argument = static::create((string) $parameterTypeObject->getFqsen(), $argument); |
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} |
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} |
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4 |
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} catch (OptionNotSetException $ex) { |
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if (!$parameter->isOptional()) { |
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throw InvalidOptionsException::forMissingMandatoryParameter($className, $parameterName); |
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} |
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$argument = $parameter->getDefaultValue(); |
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} |
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$arguments[] = $argument; |
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} |
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return $arguments; |
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} |
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} |
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nikolaposa /
cascader
