181 lines
7.6 KiB
PHP
181 lines
7.6 KiB
PHP
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\DependencyInjection\Compiler;
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use Symfony\Component\DependencyInjection\ChildDefinition;
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use Symfony\Component\DependencyInjection\ContainerBuilder;
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use Symfony\Component\DependencyInjection\Definition;
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use Symfony\Component\DependencyInjection\Exception\LogicException;
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use Symfony\Component\DependencyInjection\Exception\RuntimeException;
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/**
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* @author Alexander M. Turek <me@derrabus.de>
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*/
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final class AttributeAutoconfigurationPass extends AbstractRecursivePass
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{
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protected bool $skipScalars = true;
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private array $classAttributeConfigurators = [];
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private array $methodAttributeConfigurators = [];
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private array $propertyAttributeConfigurators = [];
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private array $parameterAttributeConfigurators = [];
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public function process(ContainerBuilder $container): void
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{
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if (!$container->getAttributeAutoconfigurators()) {
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return;
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}
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foreach ($container->getAttributeAutoconfigurators() as $attributeName => $callables) {
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foreach ($callables as $callable) {
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$callableReflector = new \ReflectionFunction($callable(...));
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if ($callableReflector->getNumberOfParameters() <= 2) {
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$this->classAttributeConfigurators[$attributeName][] = $callable;
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continue;
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}
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$reflectorParameter = $callableReflector->getParameters()[2];
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$parameterType = $reflectorParameter->getType();
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$types = [];
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if ($parameterType instanceof \ReflectionUnionType) {
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foreach ($parameterType->getTypes() as $type) {
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$types[] = $type->getName();
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}
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} elseif ($parameterType instanceof \ReflectionNamedType) {
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$types[] = $parameterType->getName();
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} else {
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throw new LogicException(\sprintf('Argument "$%s" of attribute autoconfigurator should have a type, use one or more of "\ReflectionClass|\ReflectionMethod|\ReflectionProperty|\ReflectionParameter|\Reflector" in "%s" on line "%d".', $reflectorParameter->getName(), $callableReflector->getFileName(), $callableReflector->getStartLine()));
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}
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try {
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$attributeReflector = new \ReflectionClass($attributeName);
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} catch (\ReflectionException) {
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continue;
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}
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$targets = $attributeReflector->getAttributes(\Attribute::class)[0] ?? 0;
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$targets = $targets ? $targets->getArguments()[0] ?? -1 : 0;
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foreach (['class', 'method', 'property', 'parameter'] as $symbol) {
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if (['Reflector'] !== $types) {
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if (!\in_array('Reflection'.ucfirst($symbol), $types, true)) {
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continue;
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}
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if (!($targets & \constant('Attribute::TARGET_'.strtoupper($symbol)))) {
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throw new LogicException(\sprintf('Invalid type "Reflection%s" on argument "$%s": attribute "%s" cannot target a '.$symbol.' in "%s" on line "%d".', ucfirst($symbol), $reflectorParameter->getName(), $attributeName, $callableReflector->getFileName(), $callableReflector->getStartLine()));
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}
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}
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$this->{$symbol.'AttributeConfigurators'}[$attributeName][] = $callable;
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}
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}
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}
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parent::process($container);
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}
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protected function processValue(mixed $value, bool $isRoot = false): mixed
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{
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if (!$value instanceof Definition
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|| !$value->isAutoconfigured()
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|| $value->isAbstract()
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|| $value->hasTag('container.ignore_attributes')
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|| !($classReflector = $this->container->getReflectionClass($value->getClass(), false))
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) {
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return parent::processValue($value, $isRoot);
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}
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$instanceof = $value->getInstanceofConditionals();
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$conditionals = $instanceof[$classReflector->getName()] ?? new ChildDefinition('');
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$this->callConfigurators($this->classAttributeConfigurators, $conditionals, $classReflector);
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if ($this->parameterAttributeConfigurators) {
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try {
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$constructorReflector = $this->getConstructor($value, false);
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} catch (RuntimeException) {
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$constructorReflector = null;
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}
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if ($constructorReflector) {
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foreach ($constructorReflector->getParameters() as $parameterReflector) {
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$this->callConfigurators($this->parameterAttributeConfigurators, $conditionals, $parameterReflector);
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}
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}
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}
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if ($this->methodAttributeConfigurators || $this->parameterAttributeConfigurators) {
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foreach ($classReflector->getMethods(\ReflectionMethod::IS_PUBLIC) as $methodReflector) {
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if ($methodReflector->isConstructor() || $methodReflector->isDestructor()) {
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continue;
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}
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$this->callConfigurators($this->methodAttributeConfigurators, $conditionals, $methodReflector);
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foreach ($methodReflector->getParameters() as $parameterReflector) {
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$this->callConfigurators($this->parameterAttributeConfigurators, $conditionals, $parameterReflector);
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}
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}
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}
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if ($this->propertyAttributeConfigurators) {
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foreach ($classReflector->getProperties(\ReflectionProperty::IS_PUBLIC) as $propertyReflector) {
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if ($propertyReflector->isStatic()) {
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continue;
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}
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$this->callConfigurators($this->propertyAttributeConfigurators, $conditionals, $propertyReflector);
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}
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}
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if (!isset($instanceof[$classReflector->getName()]) && new ChildDefinition('') != $conditionals) {
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$instanceof[$classReflector->getName()] = $conditionals;
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$value->setInstanceofConditionals($instanceof);
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}
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return parent::processValue($value, $isRoot);
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}
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/**
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* Call all the configurators for the given attribute.
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*
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* @param array<class-string, callable[]> $configurators
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*/
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private function callConfigurators(array &$configurators, ChildDefinition $conditionals, \ReflectionClass|\ReflectionMethod|\ReflectionParameter|\ReflectionProperty $reflector): void
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{
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if (!$configurators) {
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return;
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}
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foreach ($reflector->getAttributes() as $attribute) {
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foreach ($this->findConfigurators($configurators, $attribute->getName()) as $configurator) {
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$configurator($conditionals, $attribute->newInstance(), $reflector);
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}
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}
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}
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/**
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* Find the first configurator for the given attribute name, looking up the class hierarchy.
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*/
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private function findConfigurators(array &$configurators, string $attributeName): array
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{
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if (\array_key_exists($attributeName, $configurators)) {
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return $configurators[$attributeName];
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}
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if (class_exists($attributeName) && $parent = get_parent_class($attributeName)) {
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return $configurators[$attributeName] = $this->findConfigurators($configurators, $parent);
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}
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return $configurators[$attributeName] = [];
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}
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}
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