eric.goforth@g... wrote:
> roy axenov wrote:
> > So what does it do?
> >
> > $rates/rate selects a nodeset of <rate> nodes. The
> > predicate [position()=thingcode] filters this nodeset,
> > dropping all the nodes that don't have a <thingcode>
> > child with content that is equal to the position of the
> > <rate> node in the $rates/rate nodeset. Since there are
> > no <rate> nodes with <thingcode> children in your
> > document, the resulting nodeset is, naturally, empty. I
> > already explained the solution in my previous reply.
>
> I played around with your example, but it doesn't seem to
> work when I have multiple xyzzy elements, for example:
>
> <foo>
>   <bar>
>     <xyzzy>
>       <int>3</int>
>     </xyzzy>
>     <xyzzy>
>       <int>4</int>
>     </xyzzy>
>     <xyzzy>
>       <int>5</int>
>     </xyzzy>
>   </bar>
>   <nodeset>
>     <node>
>       <str>wrong (1)</str>
>       <int>3</int>
>     </node>
>     <node>
>       <str>wrong (2)</str>
>       <int>2</int>
>     </node>
>     <node>
>       <str>right (3)</str>
>       <int>1</int>
>     </node>
>   </nodeset>
> </foo>

It *is* working. I'm not sure what the hell you were trying
to do with the input file like this, though.

Pray tell me, what did you expect as a result? It is
supposed to look up the nth <node> in the document for each
<xyzzy>, where n is the value of an <int> child of <xyzzy>
in question. Since there are only *three* <node>s in the
document, naturally, <xyzzy>'s with <int> of 4 and 5 don't
return bloody anything.

> I'm wondering if it's not possible to do what I'm trying
> to do.

It's been explained no less than three times in this thread
that what you're trying to do is possible, that your
problem lies in messed-up contexts, that to get the context
of the current node you need to use the current() XPath
function. If you're still unable to grasp that, I recommend
hiring yourself an XSLT expert. Seriously, that'll save you
an awful lot of trouble, time and money.

-- 
roy axenov