[xsl] Merging two XML files

["Kalyan Kumar Mudumbai" <kalyan_tech at rediffmail dot com>]

Hi All, I'm new to using XSL. I have a small problem while merging 
two xml files. I have two xml files and one xsl file which merges 
them as shown below. And the result is also shown below
--------------
Input.xml
--------------
<?xml version="1.0" encoding="UTF-8"?>
<Person>
    <Name>
        <LastName/>
        <FirstName/>
    </Name>
</Person>
-------------------
Doc.xml
-----------------
<?xml version="1.0" encoding="UTF-8"?>
<Person>
    <Name>
        <MiddleName/>
    </Name>
</Person>
-------------------
Merge.xsl
-------------------
<?xml version="1.0"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"; 
version="1.0">
   <xsl:output method="xml" indent="yes" />

<!--source of data; default can be overridden on command line-->
   <xsl:param name="source" select="'./Doc.xml'" />

<!-- Copy XSL elements and their attributes -->
   <xsl:template match="*">
      <xsl:copy>
         <xsl:for-each select="@*">
            <xsl:copy>
               <xsl:value-of select="." />
            </xsl:copy>
         </xsl:for-each>

         <xsl:apply-templates select="node()" />
      </xsl:copy>
   </xsl:template>

   <xsl:template match="Name">
      <xsl:copy>
         <xsl:for-each select="@*">
            <xsl:copy>
               <xsl:value-of select="." />
            </xsl:copy>
         </xsl:for-each>
         <xsl:apply-templates select="*" />
         <xsl:apply-templates 
select="document($source)/Person/Name/MiddleName" />
      </xsl:copy>
   </xsl:template>
</xsl:stylesheet>
-----------------------------------
Result.xml
-------------------------------
<?xml version="1.0" encoding="UTF-8"?>
<Person>
    <Name>
        <LastName/>
        <FirstName/>
        <MiddleName/>
    </Name>
</Person>
----------------------------------

So, from the two input files it is obvious that I wanted to merge 
the leaf nodes of <Name>. I was able to do that using the above 
Merge.xsl file, but there is a problem with that. In one of the 
templates I had to hardcode that select="Name". But what I wanted 
to do is, without any hardcoding, I wanted to get the local-name() 
of the current node, for example "Name", lookup in the Doc.xml 
file, if there is any node with it's name as "Name" and then 
merge. There shouldn't be any sort of hardcoding. Can someone help 
me out in doing that.

              Thanks,
Regards,
Kalyan

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