includes/Feed.php

   1 <?php
   2
   3 $wgFeedClasses = array(
   4         "rss" => "RSSFeed",
   5         # "atom" => "AtomFeed",
   6         );
   7
   8 class FeedItem {
   9         var $Title = "Wiki";
  10         var $Description = "";
  11         var $Url = "";
  12
  13         function FeedItem( $Title, $Description, $Url ) {
  14                 $this->Title = $Title;
  15                 $this->Description = $Description;
  16                 $this->Url = $Url;
  17         }
  18
  19         /* Static... */
  20         function xmlEncode( $string ) {
  21                 global $wgInputEncoding, $wgLang;
  22                 $string = str_replace( "\r\n", "\n", $string );
  23                 if( strcasecmp( $wgInputEncoding, "utf-8" ) != 0 ) {
  24                         $string = $wgLang->iconv( $wgInputEncoding, "utf-8" );
  25                 }
  26                 return htmlspecialchars( $string );
  27         }
  28         function getTitle() {
  29                 return $this->xmlEncode( $this->Title );
  30         }
  31         function getUrl() {
  32                 return $this->xmlEncode( $this->Url );
  33         }
  34         function getDescription() {
  35                 return $this->xmlEncode( $this->Description );
  36         }
  37         function getLanguage() {
  38                 global $wgLanguageCode;
  39                 return $wgLanguageCode;
  40         }
  41 }
  42
  43 class ChannelFeed extends FeedItem {
  44         /* Abstract functions, override! */
  45         function outHeader() {
  46                 # print "<feed>";
  47         }
  48         function outItem( $item ) {
  49                 # print "<item>...</item>";
  50         }
  51         function outFooter() {
  52                 # print "</feed>";
  53         }
  54 }
  55
  56 class RSSFeed extends ChannelFeed {
  57         function outHeader() {
  58                 print '<' . '?xml version="1.0" encoding="utf-8"?' . ">\n";
  59                 ?><!DOCTYPE rss PUBLIC "-//Netscape Communications//DTD RSS 0.91//EN" "http://my.netscape.com/publish/formats/rss-0.91.dtd">
  60 <rss version="0.91">
  61         <channel>
  62                 <title><?php print $this->getTitle() ?></title>
  63                 <link><?php print $this->getUrl() ?></link>
  64                 <description><?php print $this->getDescription() ?></description>
  65                 <language><?php print $this->getLanguage() ?></language>
  66 <?php
  67         }
  68
  69         function outItem( $item ) {
  70         ?>
  71                 <item>
  72                         <title><?php print $item->getTitle() ?></title>
  73                         <link><?php print $item->getUrl() ?></link>
  74                         <description><?php print $item->getDescription() ?></description>
  75                 </item>
  76 <?php
  77         }
  78
  79         function outFooter() {
  80         ?>
  81         </channel>
  82 </rss><?php
  83         }
  84 }
  85
  86 ?>