lib/RssWriter2.php

   1 <?php
   2 /*
   3  * Code for creating RSS 2.0
   4  * Author: Reini Urban for PhpWiki
   5  */
   6
   7 // Encoding for RSS output.
   8 include_once 'lib/RssWriter.php';
   9
  10 /**
  11  * A class for writing RSS 2.0 with xml-rpc notifier
  12  *
  13  * @see http://blogs.law.harvard.edu/tech/rss,
  14  *      http://www.usemod.com/cgi-bin/mb.pl?ModWiki
  15  * no namespace!
  16  * http://sourceforge.net/mailarchive/forum.php?thread_id=4872845&forum_id=37467
  17  */
  18 class RssWriter2 extends RssWriter
  19 {
  20     function RssWriter2()
  21     {
  22         $this->XmlElement('rss',
  23             array('version' => "2.0"));
  24
  25         // not used. no namespaces should be used.
  26         $this->_modules = array(
  27             //Standards
  28             'content' => "http://purl.org/rss/1.0/modules/content/",
  29             'dc' => "http://purl.org/dc/elements/1.1/",
  30             'sy' => "http://purl.org/rss/1.0/modules/syndication/",
  31             //Proposed
  32             'wiki' => "http://purl.org/rss/1.0/modules/wiki/",
  33             'ag' => "http://purl.org/rss/1.0/modules/aggregation/",
  34             'annotate' => "http://purl.org/rss/1.0/modules/annotate/",
  35             'audio' => "http://media.tangent.org/rss/1.0/",
  36             'cp' => "http://my.theinfo.org/changed/1.0/rss/",
  37             'rss091' => "http://purl.org/rss/1.0/modules/rss091/",
  38             'slash' => "http://purl.org/rss/1.0/modules/slash/",
  39             'taxo' => "http://purl.org/rss/1.0/modules/taxonomy/",
  40             'thr' => "http://purl.org/rss/1.0/modules/threading/"
  41         );
  42         $this->_uris_seen = array();
  43         $this->_items = array();
  44     }
  45
  46     // Required args: (applying defaults)
  47     //  'domain', 'port', 'path', 'registerProcedure', 'protocol'
  48     // Optional args:
  49     //  none
  50     function cloud($properties)
  51     {
  52         // xml-rpc or soap or http-post
  53         if (!isset($properties['protocol'])) $properties['protocol'] = 'xml-rpc';
  54         if (!isset($properties['registerProcedure']))
  55             $properties['registerProcedure'] = 'rssPleaseNotify';
  56         if (!isset($properties['path'])) $properties['path'] = DATA_PATH . '/RPC2.php';
  57         if (!isset($properties['port']))
  58             $properties['port'] = !SERVER_PORT
  59                 ? '80'
  60                 : (SERVER_PROTOCOL == 'https' ? '443' : '80');
  61         if (!isset($properties['domain'])) $properties['domain'] = SERVER_NAME;
  62         $this->_cloud = $this->__node('cloud', $properties);
  63     }
  64
  65     /**
  66      * Write output to HTTP client.
  67      */
  68     function __spew()
  69     {
  70         header("Content-Type: application/rss+xml; charset=" . RSS_ENCODING);
  71         echo('<' . '?xml version="1.0" encoding="' . RSS_ENCODING . '"?' . ">\n");
  72         //printf("<!-- generator=\"PhpWiki-%s\" -->\n", PHPWIKI_VERSION);
  73         //RSS2 really is 0.92
  74         echo '<!DOCTYPE rss SYSTEM "http://my.netscape.com/publish/formats/rss-0.92.dtd">', "\n";
  75         echo "<!DOCTYPE rss [<!ENTITY % HTMLlat1 PUBLIC \"-//W3C//ENTITIES Latin 1 for XHTML//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml-lat1.ent\">\n";
  76         echo "              %HTMLlat1;]>\n";
  77         $this->printXML();
  78     }
  79 }
  80
  81 // Local Variables:
  82 // mode: php
  83 // tab-width: 8
  84 // c-basic-offset: 4
  85 // c-hanging-comment-ender-p: nil
  86 // indent-tabs-mode: nil
  87 // End: