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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\Compiler; |
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use ReflectionClass; |
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use ReflectionMethod; |
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use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface; |
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use Symfony\Component\DependencyInjection\ContainerBuilder; |
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use Symfony\Component\DependencyInjection\Definition; |
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final class TurnOnAutowireCompilerPass implements CompilerPassInterface |
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{ |
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/** |
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* {@inheritdoc} |
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*/ |
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public function process(ContainerBuilder $containerBuilder) |
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{ |
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foreach ($containerBuilder->getDefinitions() as $name => $definition) { |
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if ($this->shouldDefinitionBeAutowired($name, $definition)) { |
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$definition->setAutowired(true); |
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} |
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} |
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} |
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/** |
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* @param string $name |
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* @param Definition $definition |
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* |
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* @return bool |
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*/ |
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private function shouldDefinitionBeAutowired($name, Definition $definition) |
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{ |
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if (!$this->isDefinitionValid($definition)) { |
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return false; |
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} |
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$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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/** |
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* @return bool |
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*/ |
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private function isDefinitionValid(Definition $definition) |
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{ |
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if (null === $definition->getClass()) { |
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return false; |
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} |
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if (!$definition->isPublic()) { |
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return false; |
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} |
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if ($definition->isAbstract()) { |
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return false; |
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} |
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if (!class_exists($definition->getClass())) { |
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return false; |
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} |
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return true; |
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} |
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/** |
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* @return bool |
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*/ |
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private function areAllConstructorArgumentsRequired(Definition $definition, ReflectionClass $classReflection) |
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{ |
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$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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/** |
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* @return bool |
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*/ |
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private function hasConstructorArguments(ReflectionClass $classReflection) |
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{ |
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$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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/** |
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* @return bool |
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*/ |
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2 |
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private function haveMissingArgumentsTypehints(Definition $definition, ReflectionMethod $constructorReflection) |
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{ |
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$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 $parameterReflection) { |
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if ($arguments[$i] === '' && $parameterReflection->getType() !== null) { |
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return true; |
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} |
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++$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
This check looks from parameters that have been defined for a function or method, but which are not used in the method body.