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Source code for file /joomla/document/feed/renderer/rss.php

Documentation is available at rss.php

  1. <?php
  2. /**
  3.  * @version        $Id: rss.php 9919 2008-01-10 18:31:25Z willebil $
  4.  * @package        Joomla.Framework
  5.  * @subpackage    Document
  6.  * @copyright    Copyright (C) 2005 - 2008 Open Source Matters. All rights reserved.
  7.  * @license        GNU/GPL, see LICENSE.php
  8.  *  Joomla! is free software. This version may have been modified pursuant
  9.  *  to the GNU General Public License, and as distributed it includes or
  10.  *  is derivative of works licensed under the GNU General Public License or
  11.  *  other free or open source software licenses.
  12.  *  See COPYRIGHT.php for copyright notices and details.
  13.  */
  14.  
  15. // Check to ensure this file is within the rest of the framework
  16. defined('JPATH_BASE') or die();
  17.  
  18. jimport( 'joomla.utilities.date' );
  19.  
  20.  /**
  21.  * JDocumentRenderer_RSS is a feed that implements RSS 2.0 Specification
  22.  *
  23.  * @author    Johan Janssens <johan.janssens@joomla.org>
  24.  *
  25.  * @package     Joomla.Framework
  26.  * @subpackage        Document
  27.  * @see http://www.rssboard.org/rss-specification
  28.  * @since    1.5
  29.  */
  30.  
  31. class JDocumentRendererRSS extends JDocumentRenderer
  32. {
  33.     /**
  34.      * Renderer mime type
  35.      *
  36.      * @var        string 
  37.      * @access    private
  38.      */
  39.     var $_mime = "application/rss+xml";
  40.  
  41.     /**
  42.      * Render the feed
  43.      *
  44.      * @access public
  45.      * @return    string 
  46.      */
  47.     function render()
  48.     {
  49.         $now    = new JDate();
  50.         $data    =& $this->_doc;
  51.  
  52.         $uri =& JFactory::getURI();
  53.         $url = $uri->toString(array('scheme', 'user', 'pass', 'host', 'port'));
  54.  
  55.         $feed = "<rss version=\"2.0\">\n";
  56.         $feed.= "    <channel>\n";
  57.         $feed.= "        <title>".$data->title."</title>\n";
  58.         $feed.= "        <description>".$data->description."</description>\n";
  59.         $feed.= "        <link>".$url.$data->link."</link>\n";
  60.         $feed.= "        <lastBuildDate>".htmlspecialchars($now->toRFC822(), ENT_COMPAT, 'UTF-8')."</lastBuildDate>\n";
  61.         $feed.= "        <generator>".$data->getGenerator()."</generator>\n";
  62.  
  63.         if ($data->image!=null)
  64.         {
  65.             $feed.= "        <image>\n";
  66.             $feed.= "            <url>".$data->image->url."</url>\n";
  67.             $feed.= "            <title>".htmlspecialchars($data->image->title, ENT_COMPAT, 'UTF-8')."</title>\n";
  68.             $feed.= "            <link>".$data->image->link."</link>\n";
  69.             if ($data->image->width != "") {
  70.                 $feed.= "            <width>".$data->image->width."</width>\n";
  71.             }
  72.             if ($data->image->height!="") {
  73.                 $feed.= "            <height>".$data->image->height."</height>\n";
  74.             }
  75.             if ($data->image->description!="") {
  76.                 $feed.= "            <description><![CDATA[".$data->image->description."]]></description>\n";
  77.             }
  78.             $feed.= "        </image>\n";
  79.         }
  80.         if ($data->language!="") {
  81.             $feed.= "        <language>".$data->language."</language>\n";
  82.         }
  83.         if ($data->copyright!="") {
  84.             $feed.= "        <copyright>".htmlspecialchars($data->copyright,ENT_COMPAT, 'UTF-8')."</copyright>\n";
  85.         }
  86.         if ($data->editor!="") {
  87.             $feed.= "        <managingEditor>".htmlspecialchars($data->editor, ENT_COMPAT, 'UTF-8')."</managingEditor>\n";
  88.         }
  89.         if ($data->webmaster!="") {
  90.             $feed.= "        <webMaster>".htmlspecialchars($data->webmaster, ENT_COMPAT, 'UTF-8')."</webMaster>\n";
  91.         }
  92.         if ($data->pubDate!="") {
  93.             $pubDate = new JDate($data->pubDate);
  94.             $feed.= "        <pubDate>".htmlspecialchars($pubDate->toRFC822(),ENT_COMPAT, 'UTF-8')."</pubDate>\n";
  95.         }
  96.         if ($data->category!="") {
  97.             $feed.= "        <category>".htmlspecialchars($data->category, ENT_COMPAT, 'UTF-8')."</category>\n";
  98.         }
  99.         if ($data->docs!="") {
  100.             $feed.= "        <docs>".htmlspecialchars($data->docs, ENT_COMPAT, 'UTF-8')."</docs>\n";
  101.         }
  102.         if ($data->ttl!="") {
  103.             $feed.= "        <ttl>".htmlspecialchars($data->ttl, ENT_COMPAT, 'UTF-8')."</ttl>\n";
  104.         }
  105.         if ($data->rating!="") {
  106.             $feed.= "        <rating>".htmlspecialchars($data->rating, ENT_COMPAT, 'UTF-8')."</rating>\n";
  107.         }
  108.         if ($data->skipHours!="") {
  109.             $feed.= "        <skipHours>".htmlspecialchars($data->skipHours, ENT_COMPAT, 'UTF-8')."</skipHours>\n";
  110.         }
  111.         if ($data->skipDays!="") {
  112.             $feed.= "        <skipDays>".htmlspecialchars($data->skipDays, ENT_COMPAT, 'UTF-8')."</skipDays>\n";
  113.         }
  114.  
  115.         for ($i=0; $i<count($data->items); $i++)
  116.         {
  117.             $feed.= "        <item>\n";
  118.             $feed.= "            <title>".htmlspecialchars(strip_tags($data->items[$i]->title), ENT_COMPAT, 'UTF-8')."</title>\n";
  119.             $feed.= "            <link>".$url.$data->items[$i]->link."</link>\n";
  120.             $feed.= "            <description><![CDATA[".$this->_relToAbs($data->items[$i]->description)."]]></description>\n";
  121.  
  122.             if ($data->items[$i]->author!="") {
  123.                 $feed.= "            <author>".htmlspecialchars($data->items[$i]->author, ENT_COMPAT, 'UTF-8')."</author>\n";
  124.             }
  125.             /*
  126.             // on hold
  127.             if ($data->items[$i]->source!="") {
  128.                     $data.= "            <source>".htmlspecialchars($data->items[$i]->source, ENT_COMPAT, 'UTF-8')."</source>\n";
  129.             }
  130.             */
  131.             if ($data->items[$i]->category!="") {
  132.                 $feed.= "            <category>".htmlspecialchars($data->items[$i]->category, ENT_COMPAT, 'UTF-8')."</category>\n";
  133.             }
  134.             if ($data->items[$i]->comments!="") {
  135.                 $feed.= "            <comments>".htmlspecialchars($data->items[$i]->comments, ENT_COMPAT, 'UTF-8')."</comments>\n";
  136.             }
  137.             if ($data->items[$i]->date!="") {
  138.             $itemDate = new JDate($data->items[$i]->date);
  139.                 $feed.= "            <pubDate>".htmlspecialchars($itemDate->toRFC822(), ENT_COMPAT, 'UTF-8')."</pubDate>\n";
  140.             }
  141.             if ($data->items[$i]->guid!="") {
  142.                 $feed.= "            <guid>".htmlspecialchars($data->items[$i]->guid, ENT_COMPAT, 'UTF-8')."</guid>\n";
  143.             }
  144.             if ($data->items[$i]->enclosure != NULL)
  145.             {
  146.                     $feed.= "            <enclosure url=\"";
  147.                     $feed.= $data->items[$i]->enclosure->url;
  148.                     $feed.= "\" length=\"";
  149.                     $feed.= $data->items[$i]->enclosure->length;
  150.                     $feed.= "\" type=\"";
  151.                     $feed.= $data->items[$i]->enclosure->type;
  152.                     $feed.= "\"/>\n";
  153.             }
  154.  
  155.             $feed.= "        </item>\n";
  156.         }
  157.         $feed.= "    </channel>\n";
  158.         $feed.= "</rss>\n";
  159.         return $feed;
  160.     }
  161.  
  162.     /**
  163.      * Convert links in a text from relative to absolute
  164.      *
  165.      * @access public
  166.      * @return    string 
  167.      */
  168.     function _relToAbs($text)
  169.     {
  170.         $base = JURI::base();
  171.           $text = preg_replace("/(href|src)=\"(?!http|ftp|https)([^\"]*)\"/", "$1=\"$base\$2\"", $text);
  172.  
  173.         return $text;
  174.     }
  175. }
Documentation generated on Tue, 29 Jan 2008 18:50:14 +0000 by phpDocumentor 1.3.1