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<?php
/**
* Copyright © 2016, Ambroise Maupate and Julien Blanchet
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is furnished
* to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*
* Except as contained in this notice, the name of the ROADIZ shall not
* be used in advertising or otherwise to promote the sale, use or other dealings
* in this Software without prior written authorization from Ambroise Maupate and Julien Blanchet.
*
* @file DispatcherDebugCommand.php
* @author Ambroise Maupate
*/
namespace RZ\Roadiz\Console;
use RZ\Roadiz\Core\Kernel;
use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Helper\Table;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\EventDispatcher\EventDispatcher;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
/**
* Class DispatcherDebugCommand
* @package RZ\Roadiz\Console
*/
class DispatcherDebugCommand extends Command implements ThemeAwareCommandInterface
{
protected function configure()
{
$this
->setName('debug:event-dispatcher')
->setDefinition([
new InputArgument('event', InputArgument::OPTIONAL, 'An event name'),
])
->setDescription('Displays configured listeners for an application')
->setHelp(
<<<'EOF'
The <info>%command.name%</info> command displays all configured listeners:
<info>php %command.full_name%</info>
To get specific listeners for an event, specify its name:
<info>php %command.full_name% kernel.request</info>
EOF
)
;
}
/**
* @param InputInterface $input
* @param OutputInterface $output
* @return int|null
*/
protected function execute(InputInterface $input, OutputInterface $output)
{
/** @var Kernel $kernel */
$kernel = $this->getHelper('kernel')->getKernel();
/** @var EventDispatcher $dispatcher */
$dispatcher = $kernel->get('dispatcher');
$table = new Table($output);
$table->setHeaders(['Event name', 'Listener', 'Method', 'Priority']);
$tableContent = [];
foreach ($dispatcher->getListeners() as $eventName => $listeners) {
/** @var EventSubscriberInterface $listener */
foreach ($listeners as $priority => $listener) {
if ($listener instanceof \Closure) {
$listenerClass = '\Closure';
$listenerMethod = '';
} else {
$listenerClass = get_class($listener[0]);
$listenerMethod = $listener[1];
}
$tableContent[] = [
$eventName,
$listenerClass,
$listenerMethod,
$priority,
];
}
}
$table->setRows($tableContent);
$table->render();
return 0;
}
}
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