Chris@0: <?php
Chris@0: 
Chris@0: /*
Chris@0:  * This file is part of Psy Shell.
Chris@0:  *
Chris@0:  * (c) 2012-2017 Justin Hileman
Chris@0:  *
Chris@0:  * For the full copyright and license information, please view the LICENSE
Chris@0:  * file that was distributed with this source code.
Chris@0:  */
Chris@0: 
Chris@0: namespace Psy\Command;
Chris@0: 
Chris@0: use Psy\Context;
Chris@0: use Psy\ContextAware;
Chris@0: use Psy\Exception\ThrowUpException;
Chris@0: use Symfony\Component\Console\Input\InputArgument;
Chris@0: use Symfony\Component\Console\Input\InputInterface;
Chris@0: use Symfony\Component\Console\Output\OutputInterface;
Chris@0: 
Chris@0: /**
Chris@0:  * Throw an exception out of the Psy Shell.
Chris@0:  */
Chris@0: class ThrowUpCommand extends Command implements ContextAware
Chris@0: {
Chris@0:     /**
Chris@0:      * Context instance (for ContextAware interface).
Chris@0:      *
Chris@0:      * @var Context
Chris@0:      */
Chris@0:     protected $context;
Chris@0: 
Chris@0:     /**
Chris@0:      * ContextAware interface.
Chris@0:      *
Chris@0:      * @param Context $context
Chris@0:      */
Chris@0:     public function setContext(Context $context)
Chris@0:     {
Chris@0:         $this->context = $context;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     protected function configure()
Chris@0:     {
Chris@0:         $this
Chris@0:             ->setName('throw-up')
Chris@0:             ->setDefinition(array(
Chris@0:                 new InputArgument('exception', InputArgument::OPTIONAL, 'Exception to throw'),
Chris@0:             ))
Chris@0:             ->setDescription('Throw an exception out of the Psy Shell.')
Chris@0:             ->setHelp(
Chris@0:                 <<<'HELP'
Chris@0: Throws an exception out of the current the Psy Shell instance.
Chris@0: 
Chris@0: By default it throws the most recent exception.
Chris@0: 
Chris@0: e.g.
Chris@0: <return>>>> throw-up</return>
Chris@0: <return>>>> throw-up $e</return>
Chris@0: HELP
Chris@0:             );
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      *
Chris@0:      * @throws InvalidArgumentException if there is no exception to throw
Chris@0:      * @throws ThrowUpException         because what else do you expect it to do?
Chris@0:      */
Chris@0:     protected function execute(InputInterface $input, OutputInterface $output)
Chris@0:     {
Chris@0:         if ($name = $input->getArgument('exception')) {
Chris@0:             $orig = $this->context->get(preg_replace('/^\$/', '', $name));
Chris@0:         } else {
Chris@0:             $orig = $this->context->getLastException();
Chris@0:         }
Chris@0: 
Chris@0:         if (!$orig instanceof \Exception) {
Chris@0:             throw new \InvalidArgumentException('throw-up can only throw Exceptions');
Chris@0:         }
Chris@0: 
Chris@0:         throw new ThrowUpException($orig);
Chris@0:     }
Chris@0: }