RE: Namespace de-duplication for dynamically generated

At the point where you generate the top-level element, do 

<output>
  <xsl:copy-of select="/order/namespace::*"/>

Michael Kay
http://www.saxonica.com/

> For reasons which I won't bore you with, we have an input XML 
> format of the style:
> 
> customer1.xml:
> <order xmlns:pt="urn:ex">
>     <foo name="pt:zip"> apple </foo>
>     <foo name="pt:zap"> orange </foo>
> </order>
> 
> customer2.xml:
> <order xmlns:go="urn:ex">
>     <foo name="go:zip"> pear </foo>
>     <foo name="go:zap"> banana </foo>
> </order>
> 
> We want a single XSLT which will handle these without a 
> priori knowledge of the QNames or namespace *inside* the 
> @name attribute.  We need to transform these into:
> 
> customer1-out-desired.xml:
> <output xmlns:pt="urn:ex">
>     <pt:zip> apple </pt:zip>
>     <pt:zap> orange </pt:zap>
> </output>
> 
> customer2-out-desired.xml:
> <output xmlns:go="urn:ex">
>     <go:zip> pear </go:zip>
>     <go:zap> banana </go:zap>
> </output>
> 
> After a long struggle, I've managed some hacky XSLT which 
> manages the namespace mapping from strings and NS 
> declarations to prefixed QName elements, however I end up 
> getting the xmlns:pt="urn:ex" element on
> *every* leaf element (e.g. <go:zip xmlns:go="urn:ex">), 
> rather than just once on the document element as I would like it:
> 
> 
> customer1-out-actual.xml:
> <output>
>     <pt:zip xmlns:pt="urn:ex"> apple </pt:zip>
>     <pt:zap xmlns:pt="urn:ex"> orange </pt:zap> </output>
> 
> customer2-out-actual.xml:
> <output>
>     <go:zip xmlns:go="urn:ex"> pear </go:zip>
>     <go:zap xmlns:go="urn:ex"> banana </go:zap> </output>
> 
> Does anyone know of any tricks to avoid this situation?
> 
> Cheers,
> 
> Ian
> 
> PS - The relevant XSLT snippet I've written is:
> 
>   <xsl:template match="foo">
>     <xsl:element name="{substring-after(@name,':')}"
>       
> namespace="{namespace-uri-for-prefix(substring-before(@name,':'),.)}">
>        <xsl:value-of select=".">
>     </xsl:element>
>     </xsl:template>
> 
> --
> Ian.Stokes-Rees@xxxxxxxxxxxx +1 (617) 418-4168 SP Metric 
> Limited, Technology Consulting