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RE: [xsl] Need to fill in number of output nodes...

Subject: RE: [xsl] Need to fill in number of output nodes...
From: "Michael Kay" <mhk@xxxxxxxxx>
Date: Thu, 11 Sep 2003 14:41:40 +0100
> <doc>
>     <header>
>         ...
>     </header>
>     <body>
>         <data>
>             <elem1/> <!-- actual names vary -->
>             <elem2/>
>         </data>
>         <summary dataCount="2"/>
>     </body>
> </doc>
> 
> 
> The number of elements within <data> is variable.  I need to 
> calculate 
> the dataCount attribute from the number of <data> elements.  
> What is a 
> good solution for this?  I'd rather not use a second transform step 
> unless absolutely necessary.

Three solutions:

(a) go back to the input document and calculate the information from
that
(b) a two-stage transformation
(c) cheat, by using saxon:assign or similar.

I would go for (b). 

Michael Kay


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