CLASS RDFPARSER (CLASS DE LECTURE DE FLUX RSS/RDF 1.0)

// rdfParser.as
//
// @author: BlackWizzard
// @description: analyse un flux rss 1.0 (rdf)
class rdfParser {
	public var xmlFile:String;
	public var x:XML;
	public var nObject:Object;
	public var nArray:Array;
	//
	function rdfParser(xml:String) {
		System.useCodepage = true;
		nObject = new Object();
		nArray = new Array();
		x = new XML();
		x.ignoreWhite = true;
		x.parseXML(xml);
		parse();
	}
	//
	function rssInfo() {
		var tmpO:Object = new Object();
		tmpO.title = getValueByRef(x.childNodes[0].childNodes[0], "title");
		tmpO.link = getValueByRef(x.childNodes[0].childNodes[0], "link");
		tmpO.description = getValueByRef(x.childNodes[0].childNodes[0], "description");
		return tmpO;
	}
	//
	function parse() {
		var i:Number = 1;
		while (x.childNodes[0].childNodes[i] != undefined) {
			var tmpO:Object = new Object();
			tmpO.titre = getValueByRef(x.childNodes[0].childNodes[i], "title");
			tmpO.description = ereg_replace(getValueByRef(x.childNodes[0].childNodes[i], "description"), "\n", "");
			tmpO.description = ereg_replace(tmpO.description, "a>", "a>");
			tmpO.description = ereg_replace(tmpO.description, "&lt;a", "<a");
			tmpO.description = ereg_replace(tmpO.description, "u&gt;", "u>");
			tmpO.description = ereg_replace(tmpO.description, "&lt;u", "<u");
			tmpO.description = ereg_replace(tmpO.description, "i&gt;", "i>");
			tmpO.description = ereg_replace(tmpO.description, "&lt;i", "<i");
			tmpO.description = ereg_replace(tmpO.description, "b&gt;", "b>");
			tmpO.description = ereg_replace(tmpO.description, "&lt;b", "<b");
			tmpO.description = ereg_replace(tmpO.description, "img&gt;", "img>");
			tmpO.description = ereg_replace(tmpO.description, "&lt;img", "<img");
			tmpO.description = ereg_replace(tmpO.description, "&apos;", "'");
			tmpO.description = ereg_replace(tmpO.description, "&quot;", "\"");
			tmpO.link = getValueByRef(x.childNodes[0].childNodes[i], "link");
			tmpO.source = getValueByRef(x.childNodes[0].childNodes[i], "source");
			nArray.push(tmpO);
			i++;
		}
		return true;
	}
	//
	function getValueByRef(xm:XML, s:String) {
		var i:Number = 0;
		while (xm.childNodes[i] != undefined) {
			if (xm.childNodes[i].nodeName == s) {
				return (xm.childNodes[i].childNodes[0].toString());
			}
			i++;
		}
		return "";
	}
	//
	function getNodeNumberByRef(xm:XML, s:String) {
		var i:Number = 0;
		while (xm.childNodes[i] != undefined) {
			if (xm.childNodes[i].nodeName == s) {
				return i;
			}
			i++;
		}
		return -1;
	}
	//
	function getValue():Object {
		return nArray;
	}
	//
	function isLoaded() {
		if (x.getBytesLoaded() == x.getBytesTotal()) {
			return 100;
		} else {
			return x.getBytesLoaded()/x.getBytesTotal()*100;
		}
	}
	//
	function ereg_replace(s, str, rep, chr) {
		var t = (chr<0) ? s.substr(chr) : s.substr(0, chr);
		var s = str.length;
		var r = rep.length;
		var p = t.indexOf(str);
		while (p != -1) {
			t = t.substr(0, p)+rep+t.substr(p+s);
			p = t.indexOf(str, p+r);
		}
		return (chr) ? (chr<0) ? s.substr(0, s.length+chr)+t : t+s.substr(chr) : t;
	}
}