Subversion-Projekte lars-tiefland.php_share

<?php

/*
        This file is part of ActiveLink PHP XML Package (www.active-link.com).
        Copyright (c) 2002-2004 by Zurab Davitiani

        You can contact the author of this software via E-mail at
        hattrick@mailcan.com

        ActiveLink PHP XML Package is free software; you can redistribute it and/or modify
        it under the terms of the GNU Lesser General Public License as published by
        the Free Software Foundation; either version 2.1 of the License, or
        (at your option) any later version.

        ActiveLink PHP XML Package 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 Lesser General Public License for more details.

        You should have received a copy of the GNU Lesser General Public License
        along with ActiveLink PHP XML Package; if not, write to the Free Software
        Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

import("org.active-link.xml.XML");

/**
  *     Simple RSS class based on XML
  *     @class          RSS
  *     @package        org.active-link.xml
  *     @author         Zurab Davitiani
  *     @version        0.4.0
  *     @requires       XML
  *     @see            XML
  */

class RSS {

        var $xml;
        var $rootTags;
        var $itemBranches;

        /**
          *     Constructor, parses the supplied RSS string into the object
          *     @method         RSS
          *     @param          string parseString
          *     @returns        none
          */
        function RSS($parseString) {
                $this->xml = new XML($parseString);
                $this->rootTags = array("rss", "rdf:RDF");
                $this->itemBranches = array();
                $this->parseItemBranches();
        }

        /**
          *     Returns array of references to item branches of the RSS
          *     @method         getItemBranches
          *     @returns        array of references to objects of type XMLBranch (item branches of RSS)
          */
        function getItemBranches() {
                return $this->itemBranches;
        }

        /**
          *     Returns HTML-formatted RSS items
          *     @method         getHTMLTitlesFormatted
          *     @returns        string HTML-formatted RSS items
          */
        function getHTMLTitlesFormatted() {
                $itemBranchesXML = new XML("ul");
                reset($this->itemBranches);
                foreach($this->itemBranches as $newsItem) {
                        $itemXML = new XMLBranch("li");
                        $itemLinkXML = new XMLBranch("a");
                        $itemLinkXML->setTagContent($newsItem->getTagContent("item/title"));
                        $itemLinkXML->setTagAttribute("href", $newsItem->getTagContent("item/link"));
                        $itemXML->addXMLBranch($itemLinkXML);
                        $itemBranchesXML->addXMLBranch($itemXML);
                }
                return $itemBranchesXML->getXMLString();
        }

        /**
          *     Parses RSS item branches, called from constructor
          *     @method         parseItemBranches
          *     @returns        true if successful, false otherwise
          */
        function parseItemBranches() {
                $success = false;
                $rootTagName = $this->xml->getTagName();
                if(in_array($rootTagName, $this->rootTags)) {
                        $tempBranches = array();
                        if($rootTagName == "rss")
                                $tempBranches = $this->xml->getBranches($rootTagName . "/channel", "item");
                        elseif($rootTagName == "rdf:RDF")
                                $tempBranches = $this->xml->getBranches($rootTagName, "item");
                        if($tempBranches !== false) {
                                $this->itemBranches = $tempBranches;
                                $success = true;
                        }
                }
                return $success;
        }

}

?>