<?php
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/*
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This file is part of ActiveLink PHP XML Package (www.active-link.com).
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Copyright (c) 2002-2004 by Zurab Davitiani
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You can contact the author of this software via E-mail at
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hattrick@mailcan.com
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ActiveLink PHP XML Package is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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ActiveLink PHP XML Package is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with ActiveLink PHP XML Package; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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import("org.active-link.xml.XML");
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/**
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* Simple RSS class based on XML
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* @class RSS
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* @package org.active-link.xml
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* @author Zurab Davitiani
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* @version 0.4.0
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* @requires XML
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* @see XML
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*/
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class RSS {
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var $xml;
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var $rootTags;
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var $itemBranches;
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/**
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* Constructor, parses the supplied RSS string into the object
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* @method RSS
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* @param string parseString
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* @returns none
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*/
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function RSS($parseString) {
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$this->xml = new XML($parseString);
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$this->rootTags = array("rss", "rdf:RDF");
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$this->itemBranches = array();
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$this->parseItemBranches();
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}
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/**
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* Returns array of references to item branches of the RSS
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* @method getItemBranches
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* @returns array of references to objects of type XMLBranch (item branches of RSS)
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*/
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function getItemBranches() {
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return $this->itemBranches;
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}
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/**
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* Returns HTML-formatted RSS items
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* @method getHTMLTitlesFormatted
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* @returns string HTML-formatted RSS items
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*/
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function getHTMLTitlesFormatted() {
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$itemBranchesXML = new XML("ul");
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reset($this->itemBranches);
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foreach($this->itemBranches as $newsItem) {
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$itemXML = new XMLBranch("li");
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$itemLinkXML = new XMLBranch("a");
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$itemLinkXML->setTagContent($newsItem->getTagContent("item/title"));
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$itemLinkXML->setTagAttribute("href", $newsItem->getTagContent("item/link"));
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$itemXML->addXMLBranch($itemLinkXML);
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$itemBranchesXML->addXMLBranch($itemXML);
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}
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return $itemBranchesXML->getXMLString();
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}
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/**
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* Parses RSS item branches, called from constructor
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* @method parseItemBranches
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* @returns true if successful, false otherwise
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*/
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function parseItemBranches() {
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$success = false;
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$rootTagName = $this->xml->getTagName();
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if(in_array($rootTagName, $this->rootTags)) {
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$tempBranches = array();
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if($rootTagName == "rss")
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$tempBranches = $this->xml->getBranches($rootTagName . "/channel", "item");
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elseif($rootTagName == "rdf:RDF")
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$tempBranches = $this->xml->getBranches($rootTagName, "item");
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if($tempBranches !== false) {
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$this->itemBranches = $tempBranches;
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$success = true;
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}
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}
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return $success;
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}
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}
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?>
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