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<?php |
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declare(strict_types=1); |
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namespace Ray\Compiler; |
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use LogicException; |
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use PhpParser\Node; |
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use PhpParser\Node\Expr; |
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use PhpParser\Node\Scalar; |
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use Ray\Compiler\Exception\NotCompiled; |
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use Ray\Di\Argument; |
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use Ray\Di\Exception\Unbound; |
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use Ray\Di\InjectorInterface; |
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use Ray\Di\SetterMethod; |
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use ReflectionClass; |
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final class NodeFactory |
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{ |
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/** @var InjectorInterface|null */ |
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private $injector; |
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/** @var Normalizer */ |
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private $normalizer; |
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/** @var FactoryCode */ |
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private $factoryCompiler; |
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/** @var PrivateProperty */ |
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private $privateProperty; |
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public function __construct( |
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Normalizer $normalizer, |
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FactoryCode $factoryCompiler, |
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?InjectorInterface $injector = null |
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) { |
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$this->injector = $injector; |
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$this->normalizer = $normalizer; |
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$this->factoryCompiler = $factoryCompiler; |
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$this->privateProperty = new PrivateProperty(); |
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} |
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/** |
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* Return on-demand dependency pull code for not compiled |
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* |
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* @return Expr|Expr\FuncCall |
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*/ |
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public function getNode(Argument $argument): Expr |
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{ |
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$dependencyIndex = (string) $argument; |
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if (! $this->injector instanceof ScriptInjector) { |
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return $this->getDefault($argument); |
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} |
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try { |
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$isSingleton = $this->injector->isSingleton($dependencyIndex); |
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} catch (NotCompiled $e) { |
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return $this->getDefault($argument); |
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} |
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$func = $isSingleton ? 'singleton' : 'prototype'; |
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$args = $this->getInjectionProviderParams($argument); |
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/** @var array<Node\Arg> $args */ |
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return new Expr\FuncCall(new Expr\Variable($func), $args); |
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} |
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/** |
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* @param SetterMethod[] $setterMethods |
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* |
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* @return Expr\MethodCall[] |
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*/ |
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public function getSetterInjection(Expr\Variable $instance, array $setterMethods): array |
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{ |
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$setters = []; |
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foreach ($setterMethods as $setterMethod) { |
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$isOptional = ($this->privateProperty)($setterMethod, 'isOptional'); |
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$method = ($this->privateProperty)($setterMethod, 'method'); |
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$argumentsObject = ($this->privateProperty)($setterMethod, 'arguments'); |
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$arguments = ($this->privateProperty)($argumentsObject, 'arguments'); |
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/** @var array<Node\Arg> $args */ |
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$args = $this->getSetterParams($arguments, $isOptional); |
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if (! $args) { |
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continue; |
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} |
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$setters[] = new Expr\MethodCall($instance, $method, $args); |
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} |
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return $setters; |
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} |
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public function getPostConstruct(Expr\Variable $instance, string $postConstruct): Expr\MethodCall |
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{ |
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return new Expr\MethodCall($instance, $postConstruct); |
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} |
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/** |
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* Return default argument value |
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*/ |
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private function getDefault(Argument $argument): Expr |
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{ |
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if ($argument->isDefaultAvailable()) { |
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$default = $argument->getDefaultValue(); |
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return ($this->normalizer)($default); |
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} |
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throw new Unbound($argument->getMeta()); |
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} |
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/** |
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* Return code for provider |
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* |
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* "$provider" needs [class, method, parameter] for InjectionPoint (Contextual Dependency Injection) |
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* |
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* @return array<Expr\Array_|Node\Arg> |
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*/ |
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private function getInjectionProviderParams(Argument $argument) |
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{ |
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$param = $argument->get(); |
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$class = $param->getDeclaringClass(); |
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if (! $class instanceof ReflectionClass) { |
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throw new LogicException(); // @codeCoverageIgnore |
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} |
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return [ |
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new Node\Arg(new Scalar\String_((string) $argument)), |
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new Expr\Array_([ |
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new Node\Expr\ArrayItem(new Scalar\String_($class->name)), |
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new Node\Expr\ArrayItem(new Scalar\String_($param->getDeclaringFunction()->name)), |
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new Node\Expr\ArrayItem(new Scalar\String_($param->name)), |
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]), |
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]; |
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} |
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/** |
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* Return setter method parameters |
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* |
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* Return false when no dependency given and @ Inject(optional=true) annotated to setter method. |
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* |
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* @param Argument[] $arguments |
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* |
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* @return false|Node\Expr[] |
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*/ |
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private function getSetterParams(array $arguments, bool $isOptional) |
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{ |
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$args = []; |
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foreach ($arguments as $argument) { |
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try { |
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$args[] = $this->factoryCompiler->getArgStmt($argument); |
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} catch (Unbound $e) { |
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if ($isOptional) { |
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return false; |
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} |
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} |
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} |
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return $args; |
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} |
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} |
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koriym /
Ray.Di
This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent.
Consider making the comparison explicit by using
empty(..)or! empty(...)instead.