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RE: [xsl] Namespace match error. XSL to convert attribute-centric to element-centric.

2007-11-15 04:14:42


name() gives you a lexical QName (prefix:local) and xsl:element requires
that if you use a prefixed QName in the name attribute, with no namespace
attribute, then the prefix must be declared in the stylesheet. 

If you really want to create an element called <xsi:type> then use
<xsl:element name="{name()}" namespace="{namespace-uri()}"> as suggested.
However, I can't imagine what use an element called <xsi:type> might be to
anyone.

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

-----Original Message-----
From: Kerry, Richard [mailto:richard(_dot_)kerry(_at_)siemens(_dot_)com] 
Sent: 15 November 2007 09:59
To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Subject: [xsl] Namespace match error. XSL to convert 
attribute-centric to element-centric.

 

I'm trying to convert an xml document from attribute-centric 
to element-centric using the following stylesheet.
(This is ConvertToElements2.xsl referred to below)

<xsl:stylesheet
      xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
      xmlns:xs="http://www.w3.org/2001/XMLSchema";
      exclude-result-prefixes="xs"
      version="2.0">

<xsl:template match="/">
      <xsl:apply-templates/>
</xsl:template>

<xsl:template match="@*" >
      <xsl:element name="{name()}">
              <xsl:value-of select=3D"."/>
      </xsl:element>
</xsl:template>

<xsl:template match="*" >
      <xsl:element name="{name()}">
              <xsl:apply-templates select="@*" />
              <xsl:apply-templates/>
      </xsl:element>
</xsl:template>

</xsl:stylesheet>

 
If I apply it to the following data :

<?xml version="1.0" encoding="UTF-8"?>
<slots xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
 xsi:noNamespaceSchemaLocation="generic_snmp_slots.xsd">
      <slot name="RevMajor" use="yes" description="The Major 
Revision level."/> </slots>

I get an error as follows (this is using Saxon, on Windows XP):

(some lines of batchfile removed)

C:\Projects\Drivers\Mib>set
CLASSPATH=3DC:/Downloads/Saxon/saxonb8-9j/saxon8.jar
C:\Projects\Drivers\Mib>java net.sf.saxon.Transform 
Slots4.xml C:/Projects/Tools_RK/Xsl/ConvertToElements2.xsl
outfile=3DSlots4_Elements.xml

Error at xsl:element on line 12 of
file:/C:/Projects/Tools_RK/Xsl/ConvertToElements2.xsl:
      XTDE0830: Undeclared prefix in element name: xsi Transformation
failed: Run-time errors were reported

 

 

I take it this error is due to the "xsi:" namespace of the 
"xsi:noNamespaceSchemaLocation" attribute of my source data.
How can I handle this ?
I thought matching "*" would match everything. Do I need to 
tell it to ignore namespaces ? Or match namespaces somehow ?
Or is this an XML error (wrong name for the schema attribute 
perhaps) that is thus nothing to do with XSL ?

 

Uncertainly,
Richard.



 

Richard Kerry
Colledia Control Engineer
Siemens IT Solutions and Services Ltd
Room 457 Design Building, BBC Television Centre, Wood Lane, 
London, W12 7RJ
T: +44 (0)20 82259063 F: +44 (0)20 8576 8182 M: +44 (0)7921 244993
Email: richard(_dot_)kerry(_at_)siemens(_dot_)com
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Website:  www.siemens.co.uk/it-solutions 
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