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Re: Re: applying templates to all child elements except two specific ones

2002-12-06 08:13:30
Hello Dimitre,

Thank you so much for the response. But I still am not
able to figure out how to work on all the descendant
elements except child1 and child2. 

Basically in my requirement, after the transformation,
child1 and child2 should remain the same but
everyother element's text need to worked upon which
are descendants of <element1>. When I tried to use
your template, its the <child1> and <child2> elements
that are being transformed. could you please throw
more light on it ?

Thanks.
--- Dimitre Novatchev <dnovatchev(_at_)yahoo(_dot_)com> wrote:
--- Ram UGroups wrote:
 
Hello,

I do have an element in my input XML file which
has a
nested structure with lots of other elements. If
the
context element is called <element1>, I need to
process all the child elements of <element1> by
changing the case of their data, leaving two
specific
child elements <child1> and <child2>.

Eg:

<someroot>
<element1>
<child1>first child<child1>
<name>
<firstname>John</firstname>
<lastname>Doe</lastname>
</name>
<address>
<street>555 First Stree</street>
<city>some city</city>
<state>some state</state>
<child2>random</child2>
</address>
</element1>
<otherelements/>
</someroot>

So data of all the elements between <element1>
tags
should be changed to a different case except the
data
in the elements <child1> and <child2>.

Any help would be appreciated.

Thanks.

The example provided is not a well-formed xml
document. Also child2 is
not a child of element1.

Below is a solution to your problem, using the
following modified
source.xml:
----------
<someroot>
  <element1>
    <child1>first child</child1>
    <name>
      <firstname>John</firstname>
      <lastname>Doe</lastname>
    </name>
    <address>
      <street>555 First Stree</street>
      <city>some city</city>
      <state>some state</state>
      <child2>random</child2>
    </address>
    <child2>of element1</child2>
  </element1>
  <otherelements/>
</someroot>


Transformation:
--------------
<xsl:stylesheet version="1.0" 
 xmlns:xsl="http://www.w3.org/1999/XSL/Transform";>
 <xsl:output omit-xml-declaration="yes"/>

  <xsl:template match="@*|node()">  
    <xsl:copy>    
      <xsl:apply-templates select="@*|node()"/>  
    </xsl:copy>
  </xsl:template>  
  <xsl:template match="text()[normalize-space()]">
    X<xsl:value-of select="."/>
  </xsl:template>
  
  <xsl:template 
   match="text()[ancestor::child1[../self::element1]
               or
                 ancestor::child2[../self::element1]
                ]">
   Y<xsl:value-of select="."/>
  </xsl:template>
</xsl:stylesheet>

when applied to the source xml document above, this
transformation
produces the following result:

<someroot>
  <element1>
    <child1>
   Yfirst child</child1>
    <name>
      <firstname>
    XJohn</firstname>
      <lastname>
    XDoe</lastname>
    </name>
    <address>
      <street>
    X555 First Stree</street>
      <city>
    Xsome city</city>
      <state>
    Xsome state</state>
      <child2>
    Xrandom</child2>
    </address>
    <child2>
   Yof element1</child2>
  </element1>
  <otherelements></otherelements>
</someroot>


This is essentially the identity transformation with
an override for
text nodes, which have a "child1" or "child2"
ancestor, whose parent is
"element1".

In case in the text of your message:
"
I need to
process all the child elements of <element1> by
changing the case of their data, leaving two
specific
child elements <child1> and <child2>.
"

you meant not "child elements" but "descendent
elements", then the
match of the overriding template should be changed
to:

text()[ancestor::child1[ancestor::element1]
               or
                
ancestor::child2[ancestor::element1]
                ]">




=====
Cheers,

Dimitre Novatchev.
http://fxsl.sourceforge.net/ -- the home of FXSL

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