<?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\EventDispatcher\Debug;
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use Psr\EventDispatcher\StoppableEventInterface;
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use Symfony\Component\EventDispatcher\Event;
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use Symfony\Component\EventDispatcher\EventDispatcherInterface;
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use Symfony\Component\EventDispatcher\LegacyEventProxy;
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use Symfony\Component\Stopwatch\Stopwatch;
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use Symfony\Component\VarDumper\Caster\ClassStub;
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use Symfony\Contracts\EventDispatcher\Event as ContractsEvent;
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/**
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* @author Fabien Potencier <fabien@symfony.com>
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*
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* @final since Symfony 4.3: the "Event" type-hint on __invoke() will be replaced by "object" in 5.0
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*/
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class WrappedListener
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{
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private $listener;
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private $optimizedListener;
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private $name;
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private $called;
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private $stoppedPropagation;
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private $stopwatch;
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private $dispatcher;
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private $pretty;
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private $stub;
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private $priority;
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private static $hasClassStub;
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public function __construct($listener, ?string $name, Stopwatch $stopwatch, EventDispatcherInterface $dispatcher = null)
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{
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$this->listener = $listener;
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$this->optimizedListener = $listener instanceof \Closure ? $listener : (\is_callable($listener) ? \Closure::fromCallable($listener) : null);
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$this->stopwatch = $stopwatch;
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$this->dispatcher = $dispatcher;
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$this->called = false;
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$this->stoppedPropagation = false;
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if (\is_array($listener)) {
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$this->name = \is_object($listener[0]) ? \get_class($listener[0]) : $listener[0];
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$this->pretty = $this->name.'::'.$listener[1];
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} elseif ($listener instanceof \Closure) {
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$r = new \ReflectionFunction($listener);
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if (str_contains($r->name, '{closure}')) {
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$this->pretty = $this->name = 'closure';
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} elseif ($class = $r->getClosureScopeClass()) {
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$this->name = $class->name;
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$this->pretty = $this->name.'::'.$r->name;
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} else {
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$this->pretty = $this->name = $r->name;
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}
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} elseif (\is_string($listener)) {
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$this->pretty = $this->name = $listener;
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} else {
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$this->name = \get_class($listener);
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$this->pretty = $this->name.'::__invoke';
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}
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if (null !== $name) {
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$this->name = $name;
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}
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if (null === self::$hasClassStub) {
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self::$hasClassStub = class_exists(ClassStub::class);
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}
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}
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public function getWrappedListener()
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{
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return $this->listener;
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}
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public function wasCalled()
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{
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return $this->called;
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}
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public function stoppedPropagation()
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{
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return $this->stoppedPropagation;
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}
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public function getPretty()
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{
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return $this->pretty;
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}
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public function getInfo($eventName)
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{
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if (null === $this->stub) {
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$this->stub = self::$hasClassStub ? new ClassStub($this->pretty.'()', $this->listener) : $this->pretty.'()';
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}
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return [
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'event' => $eventName,
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'priority' => null !== $this->priority ? $this->priority : (null !== $this->dispatcher ? $this->dispatcher->getListenerPriority($eventName, $this->listener) : null),
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'pretty' => $this->pretty,
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'stub' => $this->stub,
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];
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}
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public function __invoke(Event $event, $eventName, EventDispatcherInterface $dispatcher)
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{
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if ($event instanceof LegacyEventProxy) {
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$event = $event->getEvent();
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}
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$dispatcher = $this->dispatcher ?: $dispatcher;
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$this->called = true;
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$this->priority = $dispatcher->getListenerPriority($eventName, $this->listener);
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$e = $this->stopwatch->start($this->name, 'event_listener');
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($this->optimizedListener ?? $this->listener)($event, $eventName, $dispatcher);
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if ($e->isStarted()) {
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$e->stop();
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}
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if (($event instanceof Event || $event instanceof ContractsEvent || $event instanceof StoppableEventInterface) && $event->isPropagationStopped()) {
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$this->stoppedPropagation = true;
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}
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}
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}
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