RE: [xsl] Forcing a namespace declaration

["Michael Kay" <mike@xxxxxxxxxxxx>]

> The problem is I need the http://purl.org/rss/1.0/ xmlns 
> declaration to appear on the root element instead of on the 
> channel element.

It would be nice if you explained why, since it seems a very strange
requirement.

When you do

exclude-result-prefixes="rss1"

you are asking for the namespace that rss1 refers to not to be copied to the
result tree. That's why it isn't being copied. This declaration applies at
the namespace URI level, that is, it affects all namespace bindings for this
namespace URI. 

> Can anyone propose a better solution to this problem than the 
> one I have come up with?

Try  

<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#";>
  <xsl:namespace name="">http://purl.org/rss/1.0/</xsl:namespace>
  <channel xmlns="http://purl.org/rss/1.0/";>...</channel>
</rdf:RDF>

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

> -----Original Message-----
> From: tom tom [mailto:tomxsllist@xxxxxxxxxxx] 
> Sent: 01 May 2007 14:37
> To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> Subject: [xsl] Forcing a namespace declaration
> 
> Hi all,
> 
> The following XML:
> 
> <?xml version="1.0" encoding="UTF-8"?>
> <n xmlns="http://www.test.com"; 
> xmlns:xhtml="http://www.w3.org/1999/xhtml"/>
> 
> uses the following XSLT:
> 
> <?xml version="1.0" encoding="UTF-8"?>
> <xsl:stylesheet version="2.0" xmlns="http://purl.org/rss/1.0/"; 
> xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"; 
> xmlns:xsl="http://www.w3.org/1999/XSL/Transform"; 
> xmlns:dc="http://purl.org/dc/elements/1.1/"; 
> xmlns:rss1="http://purl.org/rss/1.0/"; exclude-result-prefixes="rss1" 
> xpath-default-namespace="http://www.test.com";>
> 
> 	<xsl:output indent="yes" method="xml"/>
> 
> 	<xsl:template match="n" >
> 		<rdf:RDF xmlns="http://purl.org/rss/1.0/"; 
> xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"; >
> 			<channel>fffffff</channel>
> 		</rdf:RDF>
> 	</xsl:template>
> 
> </xsl:stylesheet>
> 
> to generate the following XML:
> 
> <?xml version="1.0" encoding="UTF-8"?>
> <rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#";
>          xmlns:dc="http://purl.org/dc/elements/1.1/";>
>    <channel xmlns="http://purl.org/rss/1.0/";>fffffff</channel>
> </rdf:RDF>
> 
> I'm using XSLT 2 in Saxon 8.
> 
> The problem is I need the http://purl.org/rss/1.0/ xmlns 
> declaration to appear on the root element instead of on the 
> channel element.
> 
> I believe it is appearing where it is due to the 
> xmlns:rss1="http://purl.org/rss/1.0/"; declaration, as when I 
> remove this it works in the way I want it to. The 
> xmlns:rss1="http://purl.org/rss/1.0/"; 
> declaration is needed on the root element as elsewhere in the 
> stylesheet I need to process an external document with 
> elements belonging to this namespace.
> 
> The only way I can see to fix this is to have 
> xpath-default-namespace attributes scattered at appropriate 
> points in the stylesheet. As the templates do not separate 
> easily into sections determined by which XML document they 
> are working on i believe this will lead to code that is 
> difficult to read.
> 
> Can anyone explain why http://purl.org/rss/1.0/ is being 
> declared on channel instead of the root element?
> 
> Can anyone propose a better solution to this problem than the 
> one I have come up with?
> 
> Thanks
> 
> Tom
> 
> _________________________________________________________________
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