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<?php |
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declare(strict_types=1); |
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namespace OniBus\Handler\ClassMethod\Extractor; |
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use OniBus\Handler\ClassMethod\ClassMethod; |
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use OniBus\Handler\ClassMethod\ClassMethodExtractor; |
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use ReflectionClass; |
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use ReflectionException; |
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use ReflectionFunctionAbstract; |
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use ReflectionMethod; |
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use ReflectionNamedType; |
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class MethodFirstParameterExtractor implements ClassMethodExtractor |
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{ |
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/** |
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* @var string |
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*/ |
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protected $method; |
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/** |
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* @var array |
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*/ |
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protected $handlersFQCN; |
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public function __construct(string $method, array $handlersFQCN = []) |
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{ |
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$this->method = $method; |
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$this->handlersFQCN = $handlersFQCN; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function extractClassMethods(): array |
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{ |
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$mapped = []; |
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foreach ($this->handlersFQCN as $class) { |
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$mapped = array_merge($mapped, $this->getHandlers($class)); |
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} |
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return $mapped; |
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} |
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/** |
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* @param string $class |
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* @return ClassMethod[] |
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* @throws ReflectionException |
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*/ |
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protected function getHandlers(string $class): array |
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{ |
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$handlers = []; |
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if (!class_exists($class)) { |
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return $handlers; |
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} |
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$reflectionClass = new ReflectionClass($class); |
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foreach ($reflectionClass->getMethods() as $method) { |
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if ($method->getName() !== $this->method) { |
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continue; |
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} |
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$firstParameterTypeHint = $this->firstParameterTypeHint($method); |
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if (!is_null($firstParameterTypeHint)) { |
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$handlers[] = new ClassMethod($firstParameterTypeHint, $class, $method->getName()); |
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} |
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} |
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return $handlers; |
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} |
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public function firstParameterTypeHint(ReflectionFunctionAbstract $method): ?string |
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{ |
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if (!$method->getNumberOfParameters()) { |
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return null; |
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} |
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$parameterType = $method->getParameters()[0]->getType(); |
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if (! $parameterType instanceof ReflectionNamedType) { |
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return null; |
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} |
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if ($parameterType->isBuiltin()) { |
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return null; |
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} |
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return ltrim($parameterType->getName(), "?"); |
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} |
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} |
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brenoroosevelt /
oni-bus
