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Re: Global namespace prefixes (Corrected Examples)

Subject: Re: Global namespace prefixes (Corrected Examples)
From: Nathan Potter <ndp@xxxxxxxxxxxxxxxxxxxx>
Date: Fri, 14 Nov 2008 08:43:18 -0800
Re:  Global namespace prefixes (Corrected Examples)
So there must be differences in our XSLT processors. With the stylesheet you provided below I get:


<?xml version="1.0" encoding="UTF-8"?>
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dap="http://xml.opendap.org/ns/DAP/3.2#">
<att:Conventions xmlns:att="http://base.document/att#">CF-1.0</ att:Conventions>
<att:logname xmlns:att="http://base.document/att#">olson</ att:logname>
<att:host xmlns:att="http://base.document/att#">bb0001en</att:host>
</rdf:RDF>


No top level att prefix.

And if I add a copy-of the dummy element to the result tree:

<xsl:template match="dap:Dataset" >
<rdf:RDF>
<xsl:copy-of select="exslt:node-set($dummy)/*/ namespace::att"/>
<xsl:copy-of select="$dummy"/>
<xsl:apply-templates />
</rdf:RDF>


</xsl:template>

I get this:

<?xml version="1.0" encoding="UTF-8"?>
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dap="http://xml.opendap.org/ns/DAP/3.2#">
<dummy xmlns="http://base.document/att#" />
<att:Conventions xmlns:att="http://base.document/att#">CF-1.0</ att:Conventions>
<att:logname xmlns:att="http://base.document/att#">olson</ att:logname>
<att:host xmlns:att="http://base.document/att#">bb0001en</att:host>
</rdf:RDF>



And the dummy element doesn't have a prefix.




So really this may be a situation where a fix is simply not possible across different XSLT processors, or at least with the one I have been using.


Based on the documentation for JDOM 1.0, which is what I am using to work with my XML documents in Java land, I think I am using the Xalan 2.2d10 XSLT processor.



N



On Nov 14, 2008, at 1:10 AM, David Carlisle wrote:



That forces the att: declaration at the top, but continues to use the unprefixed forms in element names. If you put the att: back in the xsl:element like so:

<xsl:stylesheet version="1.0"
      xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
      xmlns:xalan="http://xml.apache.org/xalan"
      xmlns:exslt="http://exslt.org/common"
      xmlns:dap="http://xml.opendap.org/ns/DAP/3.2#"
      xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
      exclude-result-prefixes="xalan exslt"

   <xsl:output method='xml' version='1.0'
		encoding='UTF-8'
		indent='yes'/>

<xsl:variable name="dummy">
<xsl:element name="att:dummy" namespace="{/dap:Dataset/ @base}/att#"/>
</xsl:variable>



<xsl:template match="dap:Dataset" >
<rdf:RDF>
<xsl:copy-of select="exslt:node-set($dummy)/*/ namespace::att"/>
<xsl:apply-templates />
</rdf:RDF>


</xsl:template>

<xsl:template match="dap:Attribute" >
<xsl:element name="att:{@name}" namespace="{/dap:Dataset/ @base}/att#">
<xsl:value-of select="." />
</xsl:element>
</xsl:template>



</xsl:stylesheet>


then saxon6 gives

<?xml version="1.0" encoding="UTF-8"?>
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
	 xmlns:dap="http://xml.opendap.org/ns/DAP/3.2#"
	 xmlns:att="http://base.document/att#">

<att:Conventions>CF-1.0</att:Conventions>

<att:logname>olson</att:logname>

<att:host>bb0001en</att:host>

</rdf:RDF>

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============================================================ Nathan Potter Oregon State University, COAS ndp at coas.oregonstate.edu 104 Ocean. Admin. Bldg. 541 737 2293 voice Corvallis, OR 97331-5503 541 737 2064 fax

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