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<?php
/*
* This file is part of the TYPO3 project.
*
* It is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, either version 2
* of the License, or any later version.
*
* For the full copyright and license information, please read the
* LICENSE.txt file that was distributed with this source code.
*
* The TYPO3 project - inspiring people to share!
*/
namespace TYPO3\CMS\Composer\Installer;
use Composer\Composer;
use Composer\EventDispatcher\EventSubscriberInterface;
use Composer\IO\IOInterface;
use Composer\Plugin\PluginInterface;
use Composer\Script\Event;
use Composer\Script\ScriptEvents;
use TYPO3\CMS\Composer\Plugin\PluginImplementation;
/**
* The plugin that registers some event handlers
*/
class Plugin implements PluginInterface, EventSubscriberInterface
{
/**
* @var PluginImplementation
*/
private $pluginImplementation;
/**
* @var array
*/
private $handledEvents = [];
/**
* {@inheritDoc}
*/
public static function getSubscribedEvents()
{
return [
ScriptEvents::PRE_AUTOLOAD_DUMP => ['listen'],
ScriptEvents::POST_AUTOLOAD_DUMP => ['listen'],
];
}
/**
* {@inheritDoc}
*/
public function activate(Composer $composer, IOInterface $io)
{
$composer->getEventDispatcher()->addSubscriber($this);
}
public function deactivate(Composer $composer, IOInterface $io)
{
// Nothing to do
}
public function uninstall(Composer $composer, IOInterface $io)
{
// Nothing to do
}
/**
* Listens to Composer events.
*
* This method is very minimalist on purpose. We want to load the actual
* implementation only after updating the Composer packages so that we get
* the updated version (if available).
*
* @param Event $event The Composer event.
*/
public function listen(Event $event)
{
if (!empty($this->handledEvents[$event->getName()])) {
return;
}
$this->handledEvents[$event->getName()] = true;
// Plugin has been uninstalled
if (!file_exists(__FILE__) || !file_exists(dirname(__DIR__) . '/Plugin/PluginImplementation.php')) {
return;
}
// Load the implementation only after updating Composer so that we get
// the new version of the plugin when a new one was installed
if (null === $this->pluginImplementation) {
$this->pluginImplementation = new PluginImplementation($event);
}
switch ($event->getName()) {
case ScriptEvents::PRE_AUTOLOAD_DUMP:
$this->pluginImplementation->preAutoloadDump();
break;
case ScriptEvents::POST_AUTOLOAD_DUMP:
$this->pluginImplementation->postAutoloadDump();
break;
}
}
}