Christian,
It's just like I posted to Mr. Gecko. XQuery is your friend. XPath
returns nodes, XQuery allows you to return values.
An XQuery to return the text inside your DiaIndex/Items is simple ...
it would look like this:
let $result := ./DiaIndex/Item return $result
Notice that XQuery uses XPath ... XQuery 1.0 is inseparable from XPath
2.0.
In Cocoa, you can ask an NXXMLNode (including your root node) to
execute an XQuery and return the result as an NSArray of Cocoa things
(what's returned depends on what data types XQuery sees in your
XML ... it's usually NSStrings). It is simple to change your code to
execute the XQuery.
NSXMLDocument *doc = [[NSXMLDocument alloc]
initWithContentsOfURL:xmlURL options:0 error:&error];
NSXMLNode *node = [doc rootElement];
NSArray *array = [node
objectsForXQuery:@"let $result := ./DiaIndex/Item return $result"
error:&error];
Guess what "array" has? A set of NSStrings that are the contents of
your /DiaIndex/Items. :)
It's just that simple. :)
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