temporary merge of multiple xml files for processing

Hello Jay,

your answer seems not to be a solution. Let's modify the scenario so that
the problem becomes clear:

first.xml:
<myelem>
   <subelem name="karl" age="10" />
   <subelem name="paul" age="12" />
   <otherfile name="second.xml" />
</myelem>

second.xml:
<parts>
  <subelem name="peter" age="13" />
  <subelem name="tom"   age="12" />
</parts>

Now I want to find out e.g. how many persons have the same age
as the currently inspected subelem.
According to your suggestion I should write something like:

<xsl:template match="/">
  <xsl:apply-templates select="/myelem/subelem"/>
  <xsl:apply-templates select="document('second.xml')/parts/subelem"/>
</xsl:template>

<xsl:template match="subelem">
  age=<xsl:value-of select="./@age" />
  number=<xsl:value-of select="count(//subelem[@age = ./@age])" />
</xsl:template>

would yield:
age=10 number=1
age=12 number=1
age=13 number=1
age=12 number=1

but what I want is:
age=10 number=1
age=12 number=2
age=13 number=1
age=12 number=2

The problem is that your solution looks only into ONE (=the current) xml file
but not
into all files simultaneously !
Again, how can I (temporarily) integrate all
referred xml files into the first, "main" xml file?

Matt

>How can I insert an external xml file into a given first xml file
>and start then processing the target xml as base for xpath expressions?
>Seems difficult question but isn't. Assume the following sample:
>
>first.xml:
><myelem>
>   <subelem aaa="1" />
>   <subelem aaa="2" />
>   <otherfile name="second.xml" />
></myelem>
>
>second.xml:
><parts>
>  <subelem aaa="3" />
>  <subelem aaa="4" />
></parts>
>
>mysample.xslt:
>....
><xsl:replaceotherfileby select="document(//otherfile/@name)" />
><!-- temporary tree in memory should be now:
><myelem>
>   <subelem aaa="1" />
>   <subelem aaa="2" />
>   <parts>
>     <subelem aaa="3" />
>     <subelem aaa="4" />
>   </parts>
></myelem>
>-->
><xsl:for-each ... select="//subelem">
>   <xsl:value-of select="./@aaa" />
></xsl:for-each>
>
>output:
>1
>2
>3
>4
>
>How do I code the function here called "replaceotherfileby"?
>
>Second related question: Suppose in first.xml and second.xml
>different prefixes are used for the same namespace.
>Is your solution a pure textual replacement or are
>the prefixes adjusted according to the refering common
>namespace as well?
>
>Thank you
>Matt
>---
>Date: Fri, 3 Dec 2004 12:52:05 -0600
>To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
>From: JBryant@xxxxxxxxx
>Subject: Re:  including external XML file and process whole new tree
>
>I think you may be making things overly complex (or perhaps I
>misunderstand your goals). You can use apply-templates to insert result
>elements from another document into the current result tree. So, the
>following would work:
>
><xsl:apply-templates select="document(//otherfile/@name)//subelem"/>
>
>Then toss the for-each and have a template for match="subelem".
>
>You could replace //subelem with the full path from the root of the
>inserted document to subelem. In your example, that would be
>/parts/subelem. I assume that your example is a fragment of a much bigger
>document, in which you might not know the full path, so // will do for
>that case.
>
>The following stylesheet works on Saxon
>
><?xml version="1.0" encoding="UTF-8"?>
><xsl:stylesheet version="2.0"
>xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
>
>   <xsl:template match="/">
>     <xsl:apply-templates select="/myelem/subelem"/>
>     <xsl:apply-templates select="document('test2.xml')/parts/subelem"/>
>   </xsl:template>
>
>   <xsl:template match="subelem">
>     <xsl:value-of select="@aaa"/>
>   </xsl:template>
>
></xsl:stylesheet>
>
>A couple caveats: In this case, the elements appear in sorted order
>because of the order of the elements in the file and the order of the
>apply-template statements. If you can't control the order of things in the
>input documents, you'll need to add sorting to the stylesheet. Also, with
>Saxon (8.1.1), I got all the output on one line. That's not a problem if
>you are wrapping your output in tags (HTML or XML), but it's a problem if
>you are relying on line breaks. As you can see, I also hardcoded the
>second file's name, just to save myself a bit of time.
>
>HTH
>
>Jay Bryant
>Bryant Communication Services
--
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