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<?php |
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/* |
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* This file is part of Symplify |
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* Copyright (c) 2016 Tomas Votruba (http://tomasvotruba.cz). |
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*/ |
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namespace Symplify\DefaultAutowire\DependencyInjection\Definition; |
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use ReflectionClass; |
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use ReflectionMethod; |
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use Symfony\Component\DependencyInjection\Definition; |
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final class DefinitionAnalyzer |
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{ |
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/** |
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* @var DefinitionValidator |
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*/ |
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private $definitionValidator; |
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public function __construct(DefinitionValidator $definitionValidator) |
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{ |
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$this->definitionValidator = $definitionValidator; |
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} |
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public function shouldDefinitionBeAutowired(Definition $definition) : bool |
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{ |
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if (!$this->definitionValidator->validate($definition)) { |
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return false; |
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} |
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$classReflection = new ReflectionClass($definition->getClass()); |
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if (!$classReflection->hasMethod('__construct')) { |
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return false; |
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} |
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if (!$this->hasConstructorArguments($classReflection)) { |
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return false; |
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} |
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if ($this->areAllConstructorArgumentsRequired($definition, $classReflection)) { |
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return false; |
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} |
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$constructorReflection = $classReflection->getConstructor(); |
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if (!$this->haveMissingArgumentsTypehints($definition, $constructorReflection)) { |
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return false; |
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} |
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return true; |
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} |
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private function areAllConstructorArgumentsRequired(Definition $definition, ReflectionClass $classReflection) : bool |
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{ |
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$constructorMethodReflection = $classReflection->getConstructor(); |
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$constructorArgumentsCount = count($definition->getArguments()); |
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$constructorRequiredArgumentsCount = $constructorMethodReflection->getNumberOfRequiredParameters(); |
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if ($constructorArgumentsCount === $constructorRequiredArgumentsCount) { |
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return true; |
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} |
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return false; |
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} |
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private function hasConstructorArguments(ReflectionClass $classReflection) : bool |
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{ |
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$constructorMethodReflection = $classReflection->getConstructor(); |
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if ($constructorMethodReflection->getNumberOfParameters()) { |
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return true; |
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} |
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return false; |
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} |
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private function haveMissingArgumentsTypehints( |
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Definition $definition, |
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ReflectionMethod $constructorReflection |
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) : bool { |
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$arguments = $definition->getArguments(); |
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if (!count($arguments)) { |
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return true; |
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} |
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$i = 0; |
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foreach ($constructorReflection->getParameters() as $parameterReflection) { |
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if (!isset($arguments[$i])) { |
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++$i; |
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continue; |
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} |
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if ($arguments[$i] === '' && !$parameterReflection->getType()->allowsNull()) { |
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return true; |
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} |
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1 |
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++$i; |
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} |
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return false; |
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} |
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} |
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Symplify /
DefaultAutowire
