aleph1.co.uk Git - yaffs-website/blob - vendor/zendframework/zend-feed/src/Writer/StandaloneExtensionManager.php

   1 <?php
   2 /**
   3  * Zend Framework (http://framework.zend.com/)
   4  *
   5  * @link      http://github.com/zendframework/zf2 for the canonical source repository
   6  * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
   7  * @license   http://framework.zend.com/license/new-bsd New BSD License
   8  */
   9
  10 namespace Zend\Feed\Writer;
  11
  12 use Zend\Feed\Writer\Exception\InvalidArgumentException;
  13
  14 class StandaloneExtensionManager implements ExtensionManagerInterface
  15 {
  16     private $extensions = [
  17         'Atom\Renderer\Feed'           => Extension\Atom\Renderer\Feed::class,
  18         'Content\Renderer\Entry'       => Extension\Content\Renderer\Entry::class,
  19         'DublinCore\Renderer\Entry'    => Extension\DublinCore\Renderer\Entry::class,
  20         'DublinCore\Renderer\Feed'     => Extension\DublinCore\Renderer\Feed::class,
  21         'GooglePlayPodcast\Entry'          => Extension\GooglePlayPodcast\Entry::class,
  22         'GooglePlayPodcast\Feed'           => Extension\GooglePlayPodcast\Feed::class,
  23         'GooglePlayPodcast\Renderer\Entry' => Extension\GooglePlayPodcast\Renderer\Entry::class,
  24         'GooglePlayPodcast\Renderer\Feed'  => Extension\GooglePlayPodcast\Renderer\Feed::class,
  25         'ITunes\Entry'                 => Extension\ITunes\Entry::class,
  26         'ITunes\Feed'                  => Extension\ITunes\Feed::class,
  27         'ITunes\Renderer\Entry'        => Extension\ITunes\Renderer\Entry::class,
  28         'ITunes\Renderer\Feed'         => Extension\ITunes\Renderer\Feed::class,
  29         'Slash\Renderer\Entry'         => Extension\Slash\Renderer\Entry::class,
  30         'Threading\Renderer\Entry'     => Extension\Threading\Renderer\Entry::class,
  31         'WellFormedWeb\Renderer\Entry' => Extension\WellFormedWeb\Renderer\Entry::class,
  32     ];
  33
  34     /**
  35      * Do we have the extension?
  36      *
  37      * @param  string $extension
  38      * @return bool
  39      */
  40     public function has($extension)
  41     {
  42         return array_key_exists($extension, $this->extensions);
  43     }
  44
  45     /**
  46      * Retrieve the extension
  47      *
  48      * @param  string $extension
  49      * @return mixed
  50      */
  51     public function get($extension)
  52     {
  53         $class = $this->extensions[$extension];
  54         return new $class();
  55     }
  56
  57     /**
  58      * Add an extension.
  59      *
  60      * @param string $name
  61      * @param string $class
  62      */
  63     public function add($name, $class)
  64     {
  65         if (is_string($class)
  66             && ((
  67                 is_a($class, Extension\AbstractRenderer::class, true)
  68                 || 'Feed' === substr($class, -4)
  69                 || 'Entry' === substr($class, -5)
  70             ))
  71         ) {
  72             $this->extensions[$name] = $class;
  73
  74             return;
  75         }
  76
  77         throw new InvalidArgumentException(sprintf(
  78             'Plugin of type %s is invalid; must implement %s\Extension\RendererInterface '
  79             . 'or the classname must end in "Feed" or "Entry"',
  80             $class,
  81             __NAMESPACE__
  82         ));
  83     }
  84
  85     /**
  86      * Remove an extension.
  87      *
  88      * @param string $name
  89      */
  90     public function remove($name)
  91     {
  92         unset($this->extensions[$name]);
  93     }
  94 }