lib/RssWriter2.php

   1 <?php // rcs_id('$Id$');
   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         $this->XmlElement('rss',
  22                           array('version' => "2.0"));
  23
  24         // not used. no namespaces should be used.
  25         $this->_modules = array(
  26             //Standards
  27             'content'   => "http://purl.org/rss/1.0/modules/content/",
  28             'dc'        => "http://purl.org/dc/elements/1.1/",
  29             'sy'        => "http://purl.org/rss/1.0/modules/syndication/",
  30             //Proposed
  31             'wiki'      => "http://purl.org/rss/1.0/modules/wiki/",
  32             'ag'        => "http://purl.org/rss/1.0/modules/aggregation/",
  33             'annotate'  => "http://purl.org/rss/1.0/modules/annotate/",
  34             'audio'     => "http://media.tangent.org/rss/1.0/",
  35             'cp'        => "http://my.theinfo.org/changed/1.0/rss/",
  36             'rss091'    => "http://purl.org/rss/1.0/modules/rss091/",
  37             'slash'     => "http://purl.org/rss/1.0/modules/slash/",
  38             'taxo'      => "http://purl.org/rss/1.0/modules/taxonomy/",
  39             'thr'       => "http://purl.org/rss/1.0/modules/threading/"
  40             );
  41         $this->_uris_seen = array();
  42         $this->_items = array();
  43     }
  44
  45     // Required args: (applying defaults)
  46     //  'domain', 'port', 'path', 'registerProcedure', 'protocol'
  47     // Optional args:
  48     //  none
  49     function cloud($properties) {
  50         // xml-rpc or soap or http-post
  51         if (!isset($properties['protocol'])) $properties['protocol'] = 'xml-rpc';
  52         if (!isset($properties['registerProcedure']))
  53             $properties['registerProcedure'] = 'rssPleaseNotify';
  54         if (!isset($properties['path'])) $properties['path'] = DATA_PATH.'/RPC2.php';
  55         if (!isset($properties['port']))
  56             $properties['port'] = !SERVER_PORT
  57                 ? '80'
  58                 : (SERVER_PROTOCOL == 'https' ? '443' : '80');
  59         if (!isset($properties['domain'])) $properties['domain'] = SERVER_NAME;
  60         $this->_cloud = $this->__node('cloud', $properties);
  61     }
  62
  63     /**
  64      * Write output to HTTP client.
  65      */
  66     function __spew() {
  67         header("Content-Type: application/rss+xml; charset=" . RSS_ENCODING);
  68         echo('<'.'?xml version="1.0" encoding="'.RSS_ENCODING.'"?'.">\n");
  69         //printf("<!-- generator=\"PhpWiki-%s\" -->\n", PHPWIKI_VERSION);
  70         //RSS2 really is 0.92
  71         echo '<!DOCTYPE rss SYSTEM "http://my.netscape.com/publish/formats/rss-0.92.dtd">',"\n";
  72         echo "<!DOCTYPE rss [<!ENTITY % HTMLlat1 PUBLIC \"-//W3C//ENTITIES Latin 1 for XHTML//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml-lat1.ent\">\n";
  73         echo "              %HTMLlat1;]>\n";
  74         $this->printXML();
  75     }
  76 };
  77
  78 // Local Variables:
  79 // mode: php
  80 // tab-width: 8
  81 // c-basic-offset: 4
  82 // c-hanging-comment-ender-p: nil
  83 // indent-tabs-mode: nil
  84 // End:
  85 ?>