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Identiy Transform Question

  • To: xml-dev@l...
  • Subject: Identiy Transform Question
  • From: Dave Simmonds <daves@t...>
  • Date: Fri, 22 Mar 2002 14:46:55 -0700

identiy

I'm a little new to this XSL stuff so let me know if I'm completely of base. ß I'm sure you will even without my saying this J

 

I have an XML document (schema) that I want to transform using XSL.  The transform will be an "almost" identity transform.  In other words there will be minor changes.  Some of the types of changes that I will need to make include the following:

 

1)   Convert an attribute for an element into a "child" element of the element where the attribute was found:

             <element @name="somename"/>

 

             changes to

 

             <element>

                    <name>somename</name>

             </element>

 

2)   Bring certain elements up 1 level or more levels:

              <element1>

                    <element2>

                           <element3>somedata1</element3>

                           <element4>somedata2</element4>

                    </element2>

             </element1>

 

             changes to

 

             <element1>

                    <element3>somedata1</element3>

                    <element3>somedata2</element4>

             </element1>

 

I didn't see a way to do this with the "classic" identity transform and override templates.  If there is a way, by all means let me know.

 

I actually have a transform (see below) that I believe is a good start to solving this problem, but I am running into 1 significant problem. The piece of the transform that iterates over the attributes of an element fails to see any namespace attributes.  You can run this transform against any XML document and it currently outputs the identity XML document minus and namespace attributes.  My question is why?  Or more importantly how do I get it to give me the namespace attributes so that I can output them?

 

Dave Simmonds

Vantage Controls, Inc.

dsimmonds@v...

 

XSL follows:

 

<?xml version="1.0" encoding="UTF-8"?>

<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">

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

 

       <!-- match all elements-->

       <xsl:template match="*">

             <xsl:element name="{name()}">

                    <xsl:for-each select="@*">   <!-iterate over each attribute - why are namespace attributes skipped? -->

                           <xsl:attribute name="{name()}"><xsl:value-of select="."/></xsl:attribute>

                    </xsl:for-each>

                    <xsl:value-of select="."/>      <!-- if there is a value for this element - output it now -->

             <xsl:apply-templates/>

             </xsl:element>

       </xsl:template>

      

       <!-- Copy all comments -->

       <xsl:template match="comment()">

             <xsl:copy/>

       </xsl:template>

 

       <!-- Copy all processing instructions -->

       <xsl:template match="processing-instruction()">

             <xsl:copy/>

       </xsl:template>

      

</xsl:stylesheet>

 

 


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