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Re: Populating keys with values from other documents

Subject: Re: Populating keys with values from other documents
From: David Carlisle <davidc@xxxxxxxxx>
Date: Tue, 29 Jun 2010 19:42:02 +0100
Re:  Populating keys with values from other documents
On 29/06/2010 19:31, Ashton, Andrew wrote:
I am trying to look up a value in an XML document (people.xml) based
on a @ref attribute in my primary document (source.xml).  I know that
the @ref values in source.xml will match the @xml:id values in
the code posted appeared to use @xml:id in both documents rather than @ref ???

I can do something like this:

<xsl:template match="name"> <xsl:variable name="uriRef"> <xsl:value-of select="(ancestor::*[@xml:id]/@xml:id)[last()]"/> </xsl:variable>

probably better to write that as

<xsl:variable name="uriRef" select="ancestor::*[@xml:id][1]/@xml:id"/.

         <xsl:variable name="person"

in xslt2 you can write that as <xsl:variable name="person" select="key('p',$var,document('file:///people.xml'))"/>

where key is defined by

<xsl:key name="p" match="person" use="@xml:id"/>

If you are using xslt1, you need to wrap the whole of this part of the code in
<sl;for-each select="document('file:///people.xml')">


 <xsl:variable name="person"



         <xsl:if test="$person/residence/country">
         <span about="ont:place#{$uriRef}" property="foaf:based_near">
             <xsl:value-of select="$person/residence/country"/>

But this is incredibly slow for large documents.  I have experimented
with using xsl:key, but I haven't had much.  Essentially I would like
to pre-populate the key with the values from people.xml, but I can't
quite figure out how to do that in a way that doesn't get me into a
looping scenario and/or that allows me to pass my $uriRef value to the
template that processes the key.  Can anyone explain a better

Thanks, Andy

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