webservice/library/framework/common/rss.php

<?php
/*
	Atom and RSS Extractor and Displayer
	(c) 2007  Scriptol.com - Licence Mozilla 1.1.
	commonlib.php
*/
class atomRss {

	public  $codeErreurHttp=0;
	private $Common_Content = array();

	function RSS_Tags($item, $type)
	{
		$y = array();
		$y["title"] = $item->getElementsByTagName("title")->item(0)->firstChild->data;
		$y["link"] = $item->getElementsByTagName("link")->item(0)->firstChild->data;
		$y["description"] = $item->getElementsByTagName("description")->item(0)->firstChild->data;
	
		$tnl = $item->getElementsByTagName("pubDate");
		if($tnl->length == 0)
		{
			$tnl = $item->getElementsByTagName("lastBuildDate");
		}	
		if($tnl->length != 0)
		{
			$tnl =$tnl->item(0)->firstChild->data;	
		}
		else
			$tnl = false;
		
		$y["updated"] = $tnl;	
		$y["type"] = $type;
			
		array_push($this->Common_Content, $y);		
	}
	
	
	function RSS_Channel($channel)
	{
		$items = $channel->getElementsByTagName("item");
		
		// Processing channel
		
		$this->RSS_Tags($channel, 0);		// get description of channel, type 0
			
		// Processing articles
		
		foreach($items as $item)
		{
			$this->RSS_Tags($item, 1);	// get description of article, type 1
		}
	}
	
	function RSS_Retrieve($url)
	{
		$doc = new DOMDocument();
		$ret = $doc->load($url);
		if ($ret===false) {
			$page=getUrl($url,'','','',false,'','',3);
			$this->codeErreurHtml=$page['code'];
			if ($this->codeErreurHttp==302) {
				$url=$page['header']['Location'];
				$ret = $doc->load($url);
			}
		}
	
		$channels = $doc->getElementsByTagName("channel");
		
		$this->Common_Content = array();
		
		foreach($channels as $channel)
		{
			$this->RSS_Channel($channel);
		}
	
		return ( count($this->Common_Content) > 0);	
	}
	
	
	
	function Atom_Tags($item)
	{
		$y = array();
		$y["title"] = $item->getElementsByTagName("title")->item(0)->firstChild->data;
		$y["link"] = $item->getElementsByTagName("link")->item(0)->getAttribute("href");
		$y["description"] = $item->getElementsByTagName("summary")->item(0)->firstChild->data;
		$y["updated"] = $item->getElementsByTagName("updated")->item(0)->firstChild->data;	
		$y["type"] = 1;
			
		array_push($this->Common_Content, $y);		
	}
	
	function Atom_Feed($doc)
	{
		$entries = $doc->getElementsByTagName("entry");	
	
		if($entries->length == 0) return false;
	
		// Processing feed
		
		$y = array();
		$y["title"] = $doc->getElementsByTagName("title")->item(0)->firstChild->data;
		$y["link"] = $doc->getElementsByTagName("link")->item(0)->getAttribute("href");
		$y["description"] = $doc->getElementsByTagName("subtitle")->item(0)->firstChild->data;
		$y["updated"] = $doc->getElementsByTagName("updated")->item(0)->firstChild->data;
		$y["type"] = 0;
	
		array_push($this->Common_Content, $y);
	
		// Processing articles
		
		foreach($entries as $entry)
		{
			$this->Atom_Tags($entry);		// get description of article, type 1
		}
		
		return true;
	}
	
	
	function Atom_Retrieve($url)
	{
		$doc  = new DOMDocument();
		$doc->load($url);
	
		$this->Common_Content = array();
		
		return $this->Atom_Feed($doc);
	
	}
	
	
	function loadRss($url, $size=200, $chanopt=true, $descopt=true, $dateopt=true)
	{
		$opened = false;
		$page = "";
	
		if($this->Atom_Retrieve($url) === false)
		{
			if($this->RSS_Retrieve($url) === false)
			{
				return false;
			}	
		}	
		if($size > 0)
		{
			$size += 1;	// add one for the channel
			$recents = array_slice($this->Common_Content, 0, $size);
		}	
		//$tabFlux=array();
		return $recents;
		/*
		
		foreach($recents as $article)
		{
			$type = $article["type"];
			
			if($type == 0)
			{
				if($chanopt != true) continue;
				if($opened == true)
				{
					$page .="</ul>\n";
					$opened = false;
				}
				//$page .="<b>";
			}
			else
			{
				if($opened == false && $chanopt == true) 
				{
					$page .= "<ul>\n";
					$opened = true;
				}
			}
			$title = $article["title"];
			$link = $article["link"];
			$page .= "<".$Common_Style."><a href=\"$link\">$title</a>";
			
			if($descopt != false)
			{
				$description = $article["description"];
				if($description != false)
				{
					$page .= "<br>$description";
				}
			}	
			if($dateopt != false)
			{			
				$updated = $article["updated"];
				if($updated != false)
				{
					$page .= "<br /><font $Common_Date_Font>$updated</font>";
				}
			}	
			$page .= "</".$Common_Style.">\n";			
			
			/*
			if($type == 0)
			{
				$page .="<br />";
			}
			*
		}
	
		if($opened == true)
		{	
			$page .="</ul>\n";
		}
		return $page."\n";
		*/
	}
}

?>