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RE: [xsl] Saxon8: XML to XML transformation

2006-08-28 04:01:03
XMLSpy is probably taking its input from the Microsoft MSXML3 parser, which
notoriously strips whitespace text nodes from the input without you asking
it to. When you do

<xsl:apply-templates select="../superclass/class/child::node()"/>

you are selecting three nodes: two whitespace text nodes, and an element,
and you are processing all of these. The default rule for a text node is to
copy it to the output.

To make your stylesheet work with a standards-compliant XML parser, either
change the above to:

<xsl:apply-templates select="../superclass/class/child::*"/>

so you only process child element nodes, or (preferably) write

<xsl:strip-space elements="*"/>

at the top level of the stylesheet, to indicate that all whitespace text
nodes should be removed before further processing.

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

 

-----Original Message-----
From: Marco Pehla [mailto:marco(_dot_)pehla(_at_)googlemail(_dot_)com] 
Sent: 28 August 2006 11:37
To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Subject: [xsl] Saxon8: XML to XML transformation

Hello everybody,

I've got a little problem and don't know how to solve it. I 
use Saxon8 inside a JavaBean and want to transform some data 
from an XML file to another XML file. If I use XMLSpy and 
apply the XSLT transformation to the XML file I get the 
desired output, but not with Saxon8.

What am I supposed to do to get the same output like with 
XMLSpy? Why does Saxon behave like that?


Thank you in advance,
with kind regards,
Marco


XML input:
---------------

<?xml version="1.0" encoding="UTF-8"?>
<molecule>
  <object>
    <variable name="marco"/>
  </object>
  <superclass isaType=":">
    <class>
      <constant name="employee"/>
    </class>
  </superclass>
</molecule>


XMLSpy output:
-----------------------
<?xml version="1.0" encoding="UTF-8"?>
<ObjectClassificationAtom class="employee">
        <ObjectVariable name="marco" class="employee"/> 
</ObjectClassificationAtom>


Saxon8 output:
----------------------

<?xml version="1.0" encoding="UTF-8"?>
<ObjectClassificationAtom class="
      employee
    ">
  <ObjectVariable name="
    marco
  " class="
      employee
    "/>

</ObjectClassificationAtom>


my simple XSLT transformation:
----------------------------------------------
<xsl:stylesheet version="2.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xmlns:fn="http://www.w3.org/2006/xpath-functions";
xmlns:saxon="http://icl.com/saxon";>
  <xsl:output method="xml" encoding="UTF-8" indent="yes"/>

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

  <xsl:template match="molecule">
    <xsl:if test="superclass/@isaType = ':'">
      <xsl:element name="ObjectClassificationAtom">
        <xsl:attribute name="class">
          <xsl:apply-templates 
select="superclass/class/child::node()"/>
        </xsl:attribute>
        <xsl:apply-templates/>
      </xsl:element>
    </xsl:if>
  </xsl:template>

  <xsl:template match="object">
    <xsl:element name="ObjectVariable">
      <xsl:attribute 
name="name"><xsl:apply-templates/></xsl:attribute>
      <xsl:if test="../superclass">
        <xsl:attribute name="class">
          <xsl:apply-templates 
select="../superclass/class/child::node()"/>
        </xsl:attribute>
      </xsl:if>
    </xsl:element>
  </xsl:template>

  <xsl:template match="constant | variable | class">
    <xsl:value-of select="@name"/>
  </xsl:template>
  <!-- ignore all the rest -->
  <xsl:template match="*"/>
</xsl:stylesheet>

--
http://www.informatik.tu-cottbus.de/~mpehla/

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