First Commit

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

@@ -0,0 +1,83 @@
+<?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 Psr\EventDispatcher\StoppableEventInterface;
+use Symfony\Component\ExpressionLanguage\Expression;
+use Symfony\Component\ExpressionLanguage\ExpressionLanguage;
+
+/**
+ * Event dispatched for each controller attribute.
+ *
+ * @template T of object
+ * @template U of KernelEvent
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+final class ControllerAttributeEvent implements StoppableEventInterface
+{
+    private string|array|object|null $controller;
+
+    /**
+     * @param T $attribute
+     * @param U $kernelEvent
+     */
+    public function __construct(
+        /** @var T */
+        public readonly object $attribute,
+        /** @var U */
+        public readonly KernelEvent $kernelEvent,
+        private readonly ?ExpressionLanguage $expressionLanguage = null,
+    ) {
+        $this->controller = match (true) {
+            $kernelEvent instanceof ControllerEvent => $kernelEvent->getController(),
+            $kernelEvent instanceof ControllerArgumentsEvent => $kernelEvent->getController(),
+            default => null,
+        };
+    }
+
+    public function isPropagationStopped(): bool
+    {
+        $event = $this->kernelEvent;
+
+        if ($event->isPropagationStopped()) {
+            return true;
+        }
+
+        if (!$this->controller) {
+            return false;
+        }
+
+        $controller = match (true) {
+            $event instanceof ControllerEvent => $event->getController(),
+            $event instanceof ControllerArgumentsEvent => $event->getController(),
+        };
+
+        return $controller instanceof \Closure ? $controller != $this->controller : $controller !== $this->controller;
+    }
+
+    public function evaluate(mixed $value, ?ExpressionLanguage $expressionLanguage = null): mixed
+    {
+        if (!$value instanceof \Closure && !$value instanceof Expression) {
+            return $value;
+        }
+
+        $event = $this->kernelEvent;
+        $expressionLanguage ??= $this->expressionLanguage;
+
+        return match (true) {
+            $event instanceof ControllerEvent => $event->evaluate($value, $expressionLanguage),
+            $event instanceof ControllerArgumentsEvent => $event->evaluate($value, $expressionLanguage),
+            ($m = $event->controllerMetadata ?? null) instanceof ControllerMetadata => $m->evaluate($value, $expressionLanguage),
+        };
+    }
+}