boxiky/nanotech.rss

   1 <?php
   2 $filename="http://www.nanodot.org/nanodot.rss";
   3 class RSSParser {
   4
   5         var $insideitem = false;
   6         var $tag = "";
   7         var $title = "";
   8         var $description = "";
   9         var $link = "";
  10
  11         function startElement($parser, $tagName, $attrs) {
  12                 if ($this->insideitem) {
  13                         $this->tag = $tagName;
  14                 } elseif ($tagName == "ITEM") {
  15                         $this->insideitem = true;
  16                 }
  17         }
  18
  19         function endElement($parser, $tagName) {
  20                 if ($tagName == "ITEM") {
  21                         printf("<dt><b><a href='%s'>%s</a></b></dt>",
  22
  23 trim($this->link),htmlspecialchars(trim($this->title)));
  24
  25 printf("<dd>%s</dd>",htmlspecialchars(trim($this->description)));
  26                         $this->title = "";
  27                         $this->description = "";
  28                         $this->link = "";
  29                         $this->insideitem = false;
  30                 }
  31         }
  32
  33         function characterData($parser, $data) {
  34                 if ($this->insideitem) {
  35                 switch ($this->tag) {
  36                         case "TITLE":
  37                         $this->title .= $data;
  38                         break;
  39                         case "DESCRIPTION":
  40                         $this->description .= $data;
  41                         break;
  42                         case "LINK":
  43                         $this->link .= $data;
  44                         break;
  45                 }
  46                 }
  47         }
  48 }
  49
  50 $xml_parser = xml_parser_create();
  51 $rss_parser = new RSSParser();
  52 xml_set_object($xml_parser,&$rss_parser);
  53 xml_set_element_handler($xml_parser, "startElement", "endElement");
  54 xml_set_character_data_handler($xml_parser, "characterData");
  55 $fp = fopen($filename,"r")
  56         or die("Error reading RSS data.");
  57 while ($data = fread($fp, 4096))
  58         xml_parse($xml_parser, $data, feof($fp))
  59                 or die(sprintf("XML error: %s at line %d",
  60                         xml_error_string(xml_get_error_code($xml_parser)),
  61                         xml_get_current_line_number($xml_parser)));
  62 fclose($fp);
  63 xml_parser_free($xml_parser);
  64
  65 ?>