initial commit

vendor/symfony/dependency-injection/Compiler/AttributeAutoconfigurationPass.php

@@ -0,0 +1,180 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\DependencyInjection\Compiler;
+
+use Symfony\Component\DependencyInjection\ChildDefinition;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Definition;
+use Symfony\Component\DependencyInjection\Exception\LogicException;
+use Symfony\Component\DependencyInjection\Exception\RuntimeException;
+
+/**
+ * @author Alexander M. Turek <me@derrabus.de>
+ */
+final class AttributeAutoconfigurationPass extends AbstractRecursivePass
+{
+    protected bool $skipScalars = true;
+
+    private array $classAttributeConfigurators = [];
+    private array $methodAttributeConfigurators = [];
+    private array $propertyAttributeConfigurators = [];
+    private array $parameterAttributeConfigurators = [];
+
+    public function process(ContainerBuilder $container): void
+    {
+        if (!$container->getAttributeAutoconfigurators()) {
+            return;
+        }
+
+        foreach ($container->getAttributeAutoconfigurators() as $attributeName => $callables) {
+            foreach ($callables as $callable) {
+                $callableReflector = new \ReflectionFunction($callable(...));
+                if ($callableReflector->getNumberOfParameters() <= 2) {
+                    $this->classAttributeConfigurators[$attributeName][] = $callable;
+                    continue;
+                }
+
+                $reflectorParameter = $callableReflector->getParameters()[2];
+                $parameterType = $reflectorParameter->getType();
+                $types = [];
+                if ($parameterType instanceof \ReflectionUnionType) {
+                    foreach ($parameterType->getTypes() as $type) {
+                        $types[] = $type->getName();
+                    }
+                } elseif ($parameterType instanceof \ReflectionNamedType) {
+                    $types[] = $parameterType->getName();
+                } else {
+                    throw new LogicException(\sprintf('Argument "$%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()));
+                }
+
+                try {
+                    $attributeReflector = new \ReflectionClass($attributeName);
+                } catch (\ReflectionException) {
+                    continue;
+                }
+
+                $targets = $attributeReflector->getAttributes(\Attribute::class)[0] ?? 0;
+                $targets = $targets ? $targets->getArguments()[0] ?? -1 : 0;
+
+                foreach (['class', 'method', 'property', 'parameter'] as $symbol) {
+                    if (['Reflector'] !== $types) {
+                        if (!\in_array('Reflection'.ucfirst($symbol), $types, true)) {
+                            continue;
+                        }
+                        if (!($targets & \constant('Attribute::TARGET_'.strtoupper($symbol)))) {
+                            throw new LogicException(\sprintf('Invalid type "Reflection%s" on argument "$%s": attribute "%s" cannot target a '.$symbol.' in "%s" on line "%d".', ucfirst($symbol), $reflectorParameter->getName(), $attributeName, $callableReflector->getFileName(), $callableReflector->getStartLine()));
+                        }
+                    }
+                    $this->{$symbol.'AttributeConfigurators'}[$attributeName][] = $callable;
+                }
+            }
+        }
+
+        parent::process($container);
+    }
+
+    protected function processValue(mixed $value, bool $isRoot = false): mixed
+    {
+        if (!$value instanceof Definition
+            || !$value->isAutoconfigured()
+            || $value->isAbstract()
+            || $value->hasTag('container.ignore_attributes')
+            || !($classReflector = $this->container->getReflectionClass($value->getClass(), false))
+        ) {
+            return parent::processValue($value, $isRoot);
+        }
+
+        $instanceof = $value->getInstanceofConditionals();
+        $conditionals = $instanceof[$classReflector->getName()] ?? new ChildDefinition('');
+
+        $this->callConfigurators($this->classAttributeConfigurators, $conditionals, $classReflector);
+
+        if ($this->parameterAttributeConfigurators) {
+            try {
+                $constructorReflector = $this->getConstructor($value, false);
+            } catch (RuntimeException) {
+                $constructorReflector = null;
+            }
+
+            if ($constructorReflector) {
+                foreach ($constructorReflector->getParameters() as $parameterReflector) {
+                    $this->callConfigurators($this->parameterAttributeConfigurators, $conditionals, $parameterReflector);
+                }
+            }
+        }
+
+        if ($this->methodAttributeConfigurators || $this->parameterAttributeConfigurators) {
+            foreach ($classReflector->getMethods(\ReflectionMethod::IS_PUBLIC) as $methodReflector) {
+                if ($methodReflector->isConstructor() || $methodReflector->isDestructor()) {
+                    continue;
+                }
+
+                $this->callConfigurators($this->methodAttributeConfigurators, $conditionals, $methodReflector);
+
+                foreach ($methodReflector->getParameters() as $parameterReflector) {
+                    $this->callConfigurators($this->parameterAttributeConfigurators, $conditionals, $parameterReflector);
+                }
+            }
+        }
+
+        if ($this->propertyAttributeConfigurators) {
+            foreach ($classReflector->getProperties(\ReflectionProperty::IS_PUBLIC) as $propertyReflector) {
+                if ($propertyReflector->isStatic()) {
+                    continue;
+                }
+
+                $this->callConfigurators($this->propertyAttributeConfigurators, $conditionals, $propertyReflector);
+            }
+        }
+
+        if (!isset($instanceof[$classReflector->getName()]) && new ChildDefinition('') != $conditionals) {
+            $instanceof[$classReflector->getName()] = $conditionals;
+            $value->setInstanceofConditionals($instanceof);
+        }
+
+        return parent::processValue($value, $isRoot);
+    }
+
+    /**
+     * Call all the configurators for the given attribute.
+     *
+     * @param array<class-string, callable[]> $configurators
+     */
+    private function callConfigurators(array &$configurators, ChildDefinition $conditionals, \ReflectionClass|\ReflectionMethod|\ReflectionParameter|\ReflectionProperty $reflector): void
+    {
+        if (!$configurators) {
+            return;
+        }
+
+        foreach ($reflector->getAttributes() as $attribute) {
+            foreach ($this->findConfigurators($configurators, $attribute->getName()) as $configurator) {
+                $configurator($conditionals, $attribute->newInstance(), $reflector);
+            }
+        }
+    }
+
+    /**
+     * Find the first configurator for the given attribute name, looking up the class hierarchy.
+     */
+    private function findConfigurators(array &$configurators, string $attributeName): array
+    {
+        if (\array_key_exists($attributeName, $configurators)) {
+            return $configurators[$attributeName];
+        }
+
+        if (class_exists($attributeName) && $parent = get_parent_class($attributeName)) {
+            return $configurators[$attributeName] = $this->findConfigurators($configurators, $parent);
+        }
+
+        return $configurators[$attributeName] = [];
+    }
+}