1 files changed, 147 insertions, 0 deletions
diff --git a/vendor/symfony/event-dispatcher/LegacyEventDispatcherProxy.php b/vendor/symfony/event-dispatcher/LegacyEventDispatcherProxy.php
new file mode 100644
index 0000000000..3ae3735e23
--- /dev/null
+++ b/vendor/symfony/event-dispatcher/LegacyEventDispatcherProxy.php
@@ -0,0 +1,147 @@
+<?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\EventDispatcher;
+
+use Psr\EventDispatcher\StoppableEventInterface;
+use Symfony\Contracts\EventDispatcher\Event as ContractsEvent;
+use Symfony\Contracts\EventDispatcher\EventDispatcherInterface as ContractsEventDispatcherInterface;
+
+/**
+ * An helper class to provide BC/FC with the legacy signature of EventDispatcherInterface::dispatch().
+ *
+ * This class should be deprecated in Symfony 5.1
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+final class LegacyEventDispatcherProxy implements EventDispatcherInterface
+{
+    private $dispatcher;
+
+    public static function decorate(?ContractsEventDispatcherInterface $dispatcher): ?ContractsEventDispatcherInterface
+    {
+        if (null === $dispatcher) {
+            return null;
+        }
+        $r = new \ReflectionMethod($dispatcher, 'dispatch');
+        $param2 = $r->getParameters()[1] ?? null;
+
+        if (!$param2 || !$param2->hasType() || $param2->getType()->isBuiltin()) {
+            return $dispatcher;
+        }
+
+        @trigger_error(sprintf('The signature of the "%s::dispatch()" method should be updated to "dispatch($event, string $eventName = null)", not doing so is deprecated since Symfony 4.3.', $r->class), E_USER_DEPRECATED);
+
+        $self = new self();
+        $self->dispatcher = $dispatcher;
+
+        return $self;
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @param string|null $eventName
+     */
+    public function dispatch($event/*, string $eventName = null*/)
+    {
+        $eventName = 1 < \func_num_args() ? \func_get_arg(1) : null;
+
+        if (\is_object($event)) {
+            $eventName = $eventName ?? \get_class($event);
+        } else {
+            @trigger_error(sprintf('Calling the "%s::dispatch()" method with the event name as first argument is deprecated since Symfony 4.3, pass it second and provide the event object first instead.', ContractsEventDispatcherInterface::class), E_USER_DEPRECATED);
+            $swap = $event;
+            $event = $eventName ?? new Event();
+            $eventName = $swap;
+
+            if (!$event instanceof Event) {
+                throw new \TypeError(sprintf('Argument 1 passed to "%s::dispatch()" must be an instance of %s, %s given.', ContractsEventDispatcherInterface::class, Event::class, \is_object($event) ? \get_class($event) : \gettype($event)));
+            }
+        }
+
+        $listeners = $this->getListeners($eventName);
+        $stoppable = $event instanceof Event || $event instanceof ContractsEvent || $event instanceof StoppableEventInterface;
+
+        foreach ($listeners as $listener) {
+            if ($stoppable && $event->isPropagationStopped()) {
+                break;
+            }
+            $listener($event, $eventName, $this);
+        }
+
+        return $event;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function addListener($eventName, $listener, $priority = 0)
+    {
+        return $this->dispatcher->addListener($eventName, $listener, $priority);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function addSubscriber(EventSubscriberInterface $subscriber)
+    {
+        return $this->dispatcher->addSubscriber($subscriber);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function removeListener($eventName, $listener)
+    {
+        return $this->dispatcher->removeListener($eventName, $listener);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function removeSubscriber(EventSubscriberInterface $subscriber)
+    {
+        return $this->dispatcher->removeSubscriber($subscriber);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getListeners($eventName = null)
+    {
+        return $this->dispatcher->getListeners($eventName);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getListenerPriority($eventName, $listener)
+    {
+        return $this->dispatcher->getListenerPriority($eventName, $listener);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function hasListeners($eventName = null)
+    {
+        return $this->dispatcher->hasListeners($eventName);
+    }
+
+    /**
+     * Proxies all method calls to the original event dispatcher.
+     */
+    public function __call($method, $arguments)
+    {
+        return $this->dispatcher->{$method}(...$arguments);
+    }
+}