function parseLogRow(line, parserList){
	var pos = 0;
	var fields = new Array();
	var i;
	var fieldCount = 0;
	for (i=0; i<parserList.length; i++){
		var exp = parserList[i];
		var field = exp.parse(line, pos);
		pos += field.length;
		if (exp.type == "TYPE_KEY" || exp.type == "TYPE_DATE"){
			fields[fieldCount] = field;
			fieldCount++;
		}
	}
	return fields;
}