tag with class set to rss_post
Every author (if displayed) is in a span tag with class set to rss_author
Every feed link is in a h4 (wrapped in ) tag with class set to rss_heading
Knowing that creating CSS should be trivial.
Class diagram of RSSParser:
_________________________
|________RSSParser________|
| -insideitem : boolean |
| -tag : string |
| -title : string |
| -description : string |
| -link : string |
| -author : string |
| -source : string |
| -xml_parser : resource |
|_________________________|
| +__construct() : void |
| +create() : void |
| +__destruct() : void |
| -startElement() : void |
| -endElement() : void |
| -characterData() : void |
|_________________________|
*/
class RSSParser
{
private $insideitem = false;
private $tag;
private $title;
private $description;
private $link;
private $author;
private $source;
private $xml_parser;
public function __construct($url)
{
$this->source = $url;
$this->xml_parser = xml_parser_create();
xml_set_object($this->xml_parser,$this);
xml_set_element_handler($this->xml_parser, "startElement", "endElement");
xml_set_character_data_handler($this->xml_parser, "characterData");
}
public function create()
{
$xml = file_get_contents($this->source);
xml_parse($this->xml_parser, $xml, strlen($xml))
or die("XML error: ".xml_error_string(xml_get_error_code($this->xml_parser))." at line ".xml_get_current_line_number($this->xml_parser));
}
public function __destruct()
{
xml_parser_free($this->xml_parser);
}
private function startElement($parser, $tagName, $attrs)
{
if ($this->insideitem)
$this->tag = $tagName;
elseif ($tagName == "ITEM")
$this->insideitem = true;
}
private function endElement($parser, $tagName)
{
if ($tagName == "ITEM")
{
$this->description = preg_replace("//","",$this->description);
echo "\n";
echo "\t".$this->description."\n\n";
#The author field is rare, so only use if it's there
if(!empty($this->author))
echo "\t-