Chris@0: <?php
Chris@0: /**
Chris@0:  * Zend Framework (http://framework.zend.com/)
Chris@0:  *
Chris@0:  * @link      http://github.com/zendframework/zf2 for the canonical source repository
Chris@0:  * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
Chris@0:  * @license   http://framework.zend.com/license/new-bsd New BSD License
Chris@0:  */
Chris@0: 
Chris@0: namespace Zend\Feed\Writer;
Chris@0: 
Chris@12: use Zend\Feed\Writer\Exception\InvalidArgumentException;
Chris@12: 
Chris@0: class StandaloneExtensionManager implements ExtensionManagerInterface
Chris@0: {
Chris@0:     private $extensions = [
Chris@0:         'Atom\Renderer\Feed'           => Extension\Atom\Renderer\Feed::class,
Chris@0:         'Content\Renderer\Entry'       => Extension\Content\Renderer\Entry::class,
Chris@0:         'DublinCore\Renderer\Entry'    => Extension\DublinCore\Renderer\Entry::class,
Chris@0:         'DublinCore\Renderer\Feed'     => Extension\DublinCore\Renderer\Feed::class,
Chris@16:         'GooglePlayPodcast\Entry'          => Extension\GooglePlayPodcast\Entry::class,
Chris@16:         'GooglePlayPodcast\Feed'           => Extension\GooglePlayPodcast\Feed::class,
Chris@16:         'GooglePlayPodcast\Renderer\Entry' => Extension\GooglePlayPodcast\Renderer\Entry::class,
Chris@16:         'GooglePlayPodcast\Renderer\Feed'  => Extension\GooglePlayPodcast\Renderer\Feed::class,
Chris@0:         'ITunes\Entry'                 => Extension\ITunes\Entry::class,
Chris@0:         'ITunes\Feed'                  => Extension\ITunes\Feed::class,
Chris@0:         'ITunes\Renderer\Entry'        => Extension\ITunes\Renderer\Entry::class,
Chris@0:         'ITunes\Renderer\Feed'         => Extension\ITunes\Renderer\Feed::class,
Chris@0:         'Slash\Renderer\Entry'         => Extension\Slash\Renderer\Entry::class,
Chris@0:         'Threading\Renderer\Entry'     => Extension\Threading\Renderer\Entry::class,
Chris@0:         'WellFormedWeb\Renderer\Entry' => Extension\WellFormedWeb\Renderer\Entry::class,
Chris@0:     ];
Chris@0: 
Chris@0:     /**
Chris@0:      * Do we have the extension?
Chris@0:      *
Chris@0:      * @param  string $extension
Chris@0:      * @return bool
Chris@0:      */
Chris@0:     public function has($extension)
Chris@0:     {
Chris@0:         return array_key_exists($extension, $this->extensions);
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Retrieve the extension
Chris@0:      *
Chris@0:      * @param  string $extension
Chris@0:      * @return mixed
Chris@0:      */
Chris@0:     public function get($extension)
Chris@0:     {
Chris@0:         $class = $this->extensions[$extension];
Chris@0:         return new $class();
Chris@0:     }
Chris@12: 
Chris@12:     /**
Chris@12:      * Add an extension.
Chris@12:      *
Chris@12:      * @param string $name
Chris@12:      * @param string $class
Chris@12:      */
Chris@12:     public function add($name, $class)
Chris@12:     {
Chris@12:         if (is_string($class)
Chris@12:             && ((
Chris@12:                 is_a($class, Extension\AbstractRenderer::class, true)
Chris@12:                 || 'Feed' === substr($class, -4)
Chris@12:                 || 'Entry' === substr($class, -5)
Chris@12:             ))
Chris@12:         ) {
Chris@12:             $this->extensions[$name] = $class;
Chris@12: 
Chris@12:             return;
Chris@12:         }
Chris@12: 
Chris@12:         throw new InvalidArgumentException(sprintf(
Chris@12:             'Plugin of type %s is invalid; must implement %s\Extension\RendererInterface '
Chris@12:             . 'or the classname must end in "Feed" or "Entry"',
Chris@12:             $class,
Chris@12:             __NAMESPACE__
Chris@12:         ));
Chris@12:     }
Chris@12: 
Chris@12:     /**
Chris@12:      * Remove an extension.
Chris@12:      *
Chris@12:      * @param string $name
Chris@12:      */
Chris@12:     public function remove($name)
Chris@12:     {
Chris@12:         unset($this->extensions[$name]);
Chris@12:     }
Chris@0: }