<?php

// this is the file that does most of the data processing (xml parsing) for
// aggregating a rss feed
// each rss feed needs a seperate config file (look at default.php for an
// example)
// this file only needs to be modified to include any extra tags that you
// may need to take advantage of other features of rss feeds
// this file is used globally for every feed you use, so needs the tag
// definitions for every file

class RSSParser {
 var $insideitem = false;
 var $tag = "";

 // add more here for any extra types of tags needed
 // remember to update endElement and characterData
 // functions as well
 var $title = "";
 var $description = "";
 var $link = "";
 var $subject = "";
 var $section = "";

 function startElement($parser, $tagName, $attrs) {
 if ($this->insideitem) {
 $this->tag = $tagName;
 } elseif ($tagName == "ITEM") {
 $this->startElement_extra();
 }
 }

 function endElement($parser, $tagName) {
 if ($tagName == "ITEM") {
 if ($this->title) {
 $this->endElement_extra($this);
 }
 // add more here for any extra types of tags needed
 // remember to update characterData function and class
 // variables as well
 $this->title = "";
 $this->description = "";
 $this->link = "";
 $this->subject = "";
 $this->section = "";
 $this->insideitem = false;
 }
 }

 function characterData($parser, $data) {
 if ($this->insideitem) {
 switch ($this->tag) {
 // add more here for any extra types of tags needed
 // remember to update endElement function and class
 // variables as well
 case "TITLE":
 $this->title .= $data;
 break;
 case "DESCRIPTION":
 $this->description .= $data;
 break;
 case "LINK":
 $this->link .= $data;
 break;
 case "DC:SUBJECT":
 $this->subject .= $data;
 break;
 case "SLASH:SECTION":
 $this->section .= $data;
 break;
 }
 }
 }
}

function feed($rss_parser, $cachefilename) {
 $input = fopen($cachefilename,"r")
 or die("Error reading RSS data.");
 $xml_parser = xml_parser_create();
 xml_set_object($xml_parser,&amp;$rss_parser);
 xml_set_element_handler($xml_parser, "startElement", "endElement");
 xml_set_character_data_handler($xml_parser, "characterData");
 while ($data = fread($input, 4096))
 xml_parse($xml_parser, $data, feof($input))
 or die(sprintf("XML error: %s at line %d",
 xml_error_string(xml_get_error_code($xml_parser)),
 xml_get_current_line_number($xml_parser)));
 fclose($input);
 xml_parser_free($xml_parser);
}

?>

&amp;nbsp;