[flexcoders] e4x expression passed as string

[Diego Guebel]

Hi all,
I'm wondering if there is any method to "apply" an e4x expression passed  
as a string to an xml.
For example I have this variable:
private var sourceXML:XML = <order>
         <book ISBN="0942407296">
             <title>Baking Extravagant Pastries with Kumquats</title>
             <author>
                 <lastName>Contino</lastName>
                 <firstName>Chuck</firstName>
             </author>
             <pageCount>238</pageCount>
         </book>
         <book ISBN="0865436401">
             <title>Emu Care and Breeding</title>
             <editor>
                 <lastName>Case</lastName>
                 <firstName>Justin</firstName>
             </editor>
             <pageCount>115</pageCount>
         </book>
     </order>

and a method like this:

private  function testExpression(s:String):void
{
        // somehow, I want to apply that string as e4x expression to the xml
        result_txt.text = sourceXML.apply(s);
}

Any clue?
Thanks in advance.
Diego.


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