function getData($node=null)
    {
        if($node == null)
        {
            return $this->fullParseData;
        }
        return $this->fullParseData[$node];
    }

    function parsing()
    {
        $fp = fopen($this->uri, "r");
        if(!$fp)
        {
            return 0;
        }
        while($data = fread($fp, 9182))
        {
            $this->parse($data);
        }
        fclose($fp);
        return 1;
    }

    function parse($data)
    {
        if(!xml_parse($this->parser, $data)) echo xml_error_string(xml_get_error_code($this->parser));
    }

    function getpNode($depth=0)
    {
        if($depth != 0)
        {
            $node=count($this->termStack) + $depth;
            $stack = array_slice($this->termStack, 0, $node);
        }
        else
        {
            $stack = $this->termStack;
        }
        return join("/",$stack);
    }

    function pushStack($name)
    {
        array_push($this->termStack, $name);
    }

    function getStackSize()
    {
        return count($this->termStack);
    }

    function tag_open($parser, $tag, $attributes)
    {
        $this->pushStack($tag);
        if($this->depth > $this->prevdepth)
        {
            if(count($this->nodeData))
            {
                $last_node = $this->getpNode(-2);
                $this->fullParseData[$last_node] = $this->nodeData;
            }
            $this->nodeData=array();
            $this->prevdepth = $this->depth;
        }
        $this->depth++;
        $this->inside_data=false;
    }

    function tag_close($parser, $tag)
    {
        $count = count($this->nodeData);
        if($count == 0)
            array_pop($this->termStack);
        $this->depth--;
        if($this->depth < $this->prevdepth)
        {
            if(count($this->nodeData) > 1)
                $this->fullParseData[$this->getpNode()][] = $this->nodeData;
            else
                $this->fullParseData[$this->getpNode()] = $this->nodeData;
            $this->nodeData=array();
        }
        else
        {
            $this->prevdepth = $this->depth;
        }
        if($count != 0)
            array_pop($this->termStack);
                $this->inside_data=false;
    }

    function nodeName()
    {
        return $this->termStack[$this->depth-1];
    }

 }

 ?>