openrat-cms

commit 56ba415d6d3e66e16663dd92eba2da0439ce09cb
parent ac0eb47a0ab6c9cd88998a47d2986f6e86dca09c
Author: dankert <devnull@localhost>
Date:   Thu, 14 Oct 2004 23:15:13 +0200

Lesen eines RSS-Feeds und erzeugen eines HTML-Abschnittes dafuer

Diffstat:
dynamicClasses/RSSReader.class.php
 | 
156
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

1 file changed, 156 insertions(+), 0 deletions(-)
diff --git a/dynamicClasses/RSSReader.class.php b/dynamicClasses/RSSReader.class.php
@@ -0,0 +1,155 @@
+<?php
+// ---------------------------------------------------------------------------
+// $Id$
+// ---------------------------------------------------------------------------
+// OpenRat Content Management System
+// Copyright (C) 2002 Jan Dankert, jandankert@jandankert.de
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License
+// as published by the Free Software Foundation; either version 2
+// of the License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+// ---------------------------------------------------------------------------
+// $Log$
+// Revision 1.1  2004-10-14 21:15:13  dankert
+// Lesen eines RSS-Feeds und erzeugen eines HTML-Abschnittes dafuer
+//
+// ---------------------------------------------------------------------------
+
+
+
+/**
+ * @author Jan Dankert
+ */
+class RSSReader /*extends DynamicElement*/
+{
+	/**
+	 * Bitte immer alle Parameter in dieses Array schreiben, dies ist fuer den Web-Developer hilfreich.
+	 * @type String
+	 */
+	var $parameters  = Array(
+		'url'=>'The Url of the RSS-Feed to read. Default: <em>http://www.heise.de/newsticker/heise.rdf</em>'
+		);
+
+
+	var $url = 'http://www.heise.de/newsticker/heise.rdf';
+
+	/**
+	 * Bitte immer eine Beschreibung benutzen, dies ist fuer den Web-Developer hilfreich.
+	 * @type String
+	 */
+	var $description = 'Reads a RSS-Feed and displays its content as a html list';
+	var $api;
+
+	// Erstellen des Hauptmenues
+	function execute()
+	{
+		// Lesen des Root-Ordners
+		$rss = $this->parse( implode('',file($this->url)) );
+		
+		$this->api->output('<ul>');
+
+		// Schleife ueber alle Inhalte des Root-Ordners
+		foreach( $rss['items'] as $item )
+		{
+			$this->api->output('<li>');
+			$this->api->output('<a href="'.$item['link'].'">'.$item['title'].'</a><br/>'.$item['description']);
+			$this->api->output('</li>');
+		}
+
+		$this->api->output('</ul>');
+	}
+	
+	
+	function parse( $feed )
+	{
+		// Parses the RSS feed into the array
+		$arr = array();
+		// Determine encoding
+		preg_match('/<\?xml version="1\.0" encoding="(.*)"\?>/i', $feed, $sarr);
+		if	( !empty($sarr[1]))
+			$arr["encoding"] = $sarr[1];
+		// Determine title
+		preg_match('/<title>(.*)<\/title>/i', $feed, $sarr);
+		if	( !empty($sarr[1]))
+			$arr["title"] = $sarr[1];
+		// Determine title
+		preg_match('/<title>(.*)<\/title>/i', $feed, $sarr);
+		if	( !empty($sarr[1]))
+			$arr["title"] = $sarr[1];
+		// Determine description
+		preg_match('/<description>(.*)<\/description>/i', $feed, $sarr);
+		if	( !empty($sarr[1]))
+			$arr["description"] = $sarr[1];
+		// Determine link
+		preg_match('/<link>(.*)<\/link>/i', $feed, $sarr);
+		if	( !empty($sarr[1]))
+			$arr["link"] = $sarr[1];
+		// Determine language
+		preg_match('/<language>(.*)<\/language>/i', $feed, $sarr);
+		if	( !empty($sarr[1]))
+			$arr["language"] = $sarr[1];
+		// Determine generator
+		preg_match('/<generator>(.*)<\/generator>/i', $feed, $sarr);
+		if	( !empty($sarr[1]))
+			$arr["generator"] = $sarr[1];
+		// Strip items
+		$parts = explode("<item>", $feed);
+		foreach($parts as $part)
+		{
+			$item = substr($part, 0, strpos($part, "</item>"));
+			if	( !empty($item) )
+				$items[] = $item;
+		}
+		// Fill the channel array
+		$arr["items"] = array();
+		foreach($items as $item)
+		{
+			$i = array();
+			
+			// Determine title
+			preg_match('/<title>(.*)<\/title>/i', $item, $title);
+			if	( !empty($title[1]))
+				$i['title'] = $title[1];
+			else
+				$i['title'] = '';
+
+			// Determine pubdate
+			preg_match('/<pubDate>(.*)<\/pubDate>/i', $item, $pubdate);
+			if	( !empty($pubdate[1]))
+				$i['pubDate'] = strtotime($pubdate[1]);
+			else
+				$i['pubDate'] = '';
+
+			// Determine link
+			preg_match('/<link>(.*)<\/link>/i', $item, $link);
+			if	( !empty($link[1]))
+				$i['link'] = $link[1];
+			else
+				$i['link'] = '';
+
+			// Determine description
+			if(stristr($item, '<![CDATA['))
+				preg_match('/<description><!\[CDATA\[(.*)\]\]><\/description>/is', $item, $description);
+			else
+				preg_match('/<description>(.*)<\/description>/is', $item, $description);
+
+			if	( !empty($description[1]))
+				$i['description'] = $description[1];
+			else
+				$i['description'] = '';
+
+			$arr["items"][] = $i;
+		}
+		return $arr;
+	}
+}+
\ No newline at end of file