This might get you pointed in the right direction. You can get an
XMLList of all the empty nodes by this kind of statement
xml.modules.module.(children().length() == 0);
but if you then try a simple delete on that
delete xml.modules.module.(children().length() == 0);
you get: Delete operator is not supported with operand of type XMLList.
I'm not sure right now why that wouldn't work. But you could simply
loop through the XMLList generated and do a delete on each node
var emptyModule:XMLList = xml.modules.module.(children().length() == 0);
var index:int = emptyModule.length() - 1;
for(var i = index; i > - 1; i--){
delete emptyModule[i];
}
trace(xml);
hth,
Rob
PS so as far as the delete operator I'm not sure why
delete(xml.modules.module) works while something like
delete(xm.modules.module.(@title == "apple")) gives an error like
above. I would think that both those "querries" result in an XMLList,
in the first case the delete occurs but not in the second... maybe
some lunch will help my brain work better.
On 9-Jun-09, at 11:02 AM, Merrill, Jason wrote:
Posted this on Flash_tiger without any luck. I know about using
delete
in E4X XML to delete unwanted XML nodes, but how would you hunt down
through and delete any nodes (of a specific type, say "<module>" nodes
in the example below) that don't have any children?
For example, if myXML happens to look like:
<xml>
<modules>
<module title="apple"/>
<module title="orange">
<node/>
<module>
<module title="banana">
<node/>
<module>
<module title="plum"/>
<module title="pear"/>
<module title="pineapple">
<node/>
<module>
</modules>
</xml>
then with that structure, I would want my code to remove the <module>
nodes that have the "title" attribute values of "apple", "plum", and
"pear" since those have no child nodes.
I know I could figure it out through enough trial and error, but I've
spent enough time on it already. Thought someone here could give a
quick answer. Thanks!
Jason Merrill
Bank of America Global Learning
Shared Services Solutions Development
Monthly meetings on the Adobe Flash platform for rich media
experiences
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