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vendor/symfony/http-kernel/Event/ControllerArgumentsEvent.php

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+<?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\HttpKernel\Event;
+
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpKernel\HttpKernelInterface;
+
+/**
+ * Allows filtering of controller arguments.
+ *
+ * You can call getController() to retrieve the controller and getArguments
+ * to retrieve the current arguments. With setArguments() you can replace
+ * arguments that are used to call the controller.
+ *
+ * Arguments set in the event must be compatible with the signature of the
+ * controller.
+ *
+ * @author Christophe Coevoet <stof@notk.org>
+ */
+final class ControllerArgumentsEvent extends KernelEvent
+{
+    private ControllerEvent $controllerEvent;
+    private array $arguments;
+    private array $namedArguments;
+
+    public function __construct(HttpKernelInterface $kernel, callable|ControllerEvent $controller, array $arguments, Request $request, ?int $requestType)
+    {
+        parent::__construct($kernel, $request, $requestType);
+
+        if (!$controller instanceof ControllerEvent) {
+            $controller = new ControllerEvent($kernel, $controller, $request, $requestType);
+        }
+
+        $this->controllerEvent = $controller;
+        $this->arguments = $arguments;
+    }
+
+    public function getController(): callable
+    {
+        return $this->controllerEvent->getController();
+    }
+
+    /**
+     * @param array<class-string, list<object>>|null $attributes
+     */
+    public function setController(callable $controller, ?array $attributes = null): void
+    {
+        $this->controllerEvent->setController($controller, $attributes);
+        unset($this->namedArguments);
+    }
+
+    public function getArguments(): array
+    {
+        return $this->arguments;
+    }
+
+    public function setArguments(array $arguments): void
+    {
+        $this->arguments = $arguments;
+        unset($this->namedArguments);
+    }
+
+    public function getNamedArguments(): array
+    {
+        if (isset($this->namedArguments)) {
+            return $this->namedArguments;
+        }
+
+        $namedArguments = [];
+        $arguments = $this->arguments;
+
+        foreach ($this->controllerEvent->getControllerReflector()->getParameters() as $i => $param) {
+            if ($param->isVariadic()) {
+                $namedArguments[$param->name] = \array_slice($arguments, $i);
+                break;
+            }
+            if (\array_key_exists($i, $arguments)) {
+                $namedArguments[$param->name] = $arguments[$i];
+            } elseif ($param->isDefaultvalueAvailable()) {
+                $namedArguments[$param->name] = $param->getDefaultValue();
+            }
+        }
+
+        return $this->namedArguments = $namedArguments;
+    }
+
+    /**
+     * @template T of class-string|null
+     *
+     * @param T $className
+     *
+     * @return array<class-string, list<object>>|list<object>
+     *
+     * @psalm-return (T is null ? array<class-string, list<object>> : list<object>)
+     */
+    public function getAttributes(?string $className = null): array
+    {
+        return $this->controllerEvent->getAttributes($className);
+    }
+}