Vojta wrote:
> Hi,
> 
> I have some xml data looking like this
> <root>
>   <items1>
>     <i1>..</i1>
>     <i1>..</i1>
>   </items1>
>   <items2>
>     <i2>..</i2>
>     <i2>..</i2>
>   </items2>
> </root>
> 
> If my context node is the k-th node in items1 is to possible to create
> XPath that finds a k-th node in items2? Something like "../../
> items2[position() = position(.)]" - which does not work because "." is
> bound to some "i2" node inside the square brackets.
> 
> Some motivation: we use a "repeater" component that traverses child
> nodes of one node. The current node in the repeater is the context
> node. The user then uses xpaths relative to the current node to get
> the data. And I need some hack to be able to reference nodes at the
> same position but inside a  different node.
> 
> Obviously the most natural solution is to do some data preprocessing
> to "zip" items1 and items2 together or modify our repeater to be able
> to have multiple context nodes. But isn't there any pure xpath way to
> do this?
> 
> Thanks
> 

not pure xpath1 you need xslt1 or a similar host language that can bind 
xpath variables.

however in xpath2 you can express this, for example

for $p in 1+count(preceding-sibling::i1) return 
../preceding-sibling::items2/i2[$p]

David
-- 
http://dpcarlisle.blogspot.com