ThrowUpCommand.php
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<?php
/*
* This file is part of Psy Shell.
*
* (c) 2012-2015 Justin Hileman
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Psy\Command;
use Psy\Context;
use Psy\ContextAware;
use Psy\Exception\ThrowUpException;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;
/**
* Throw an exception out of the Psy Shell.
*/
class ThrowUpCommand extends Command implements ContextAware
{
/**
* Context instance (for ContextAware interface).
*
* @var Context
*/
protected $context;
/**
* ContextAware interface.
*
* @param Context $context
*/
public function setContext(Context $context)
{
$this->context = $context;
}
/**
* {@inheritdoc}
*/
protected function configure()
{
$this
->setName('throw-up')
->setDefinition(array(
new InputArgument('exception', InputArgument::OPTIONAL, 'Exception to throw'),
))
->setDescription('Throw an exception out of the Psy Shell.')
->setHelp(
<<<'HELP'
Throws an exception out of the current the Psy Shell instance.
By default it throws the most recent exception.
e.g.
<return>>>> throw-up</return>
<return>>>> throw-up $e</return>
HELP
);
}
/**
* {@inheritdoc}
*
* @throws InvalidArgumentException if there is no exception to throw.
* @throws ThrowUpException because what else do you expect it to do?
*/
protected function execute(InputInterface $input, OutputInterface $output)
{
if ($name = $input->getArgument('exception')) {
$orig = $this->context->get(preg_replace('/^\$/', '', $name));
} else {
$orig = $this->context->getLastException();
}
if (!$orig instanceof \Exception) {
throw new \InvalidArgumentException('throw-up can only throw Exceptions');
}
throw new ThrowUpException($orig);
}
}