Re: Loading an external file of index

Subject: Re: Loading an external file of index
From: Pierre Attar <patt@xxxxxxxxx>
Date: Thu, 22 Jun 2000 23:32:14 +0200

I've tried your sample using xalan and it complains.

The code is :

<xsl:stylesheet xmlns:xsl=""; version="1.0">
<xsl:variable name="sharedDoc">document('../shared/shared.xml')</xsl:variable>
<xsl:key name="mysetofkeys" match="KEYBASE/KEY" use="@NAME"/>


<xsl:template match="KEYREF">
<xsl:variable name="keyrefname" select="@LINKEND" />
<xsl:for-each select="$sharedDoc">
<b><xsl:value-of select="key('mysetofkeys', $keyrefname)/ACRONYM" /></b>



And the error is, at runtime transformation :

XPATH: Can not convert #UNKNOWN to a NodeList!
Xalan: was not successful.
XSLProcessor: done

Any idea ?



At 12:29 22/06/2000 +0100, you wrote:
Unfortunately, I know from struggling with some fairly recent questions
that this doesn't work.  You can't use the document() function within the
'match' attribute of xsl:key.  Instead, define the key as if the input
document was the one with the keys in, at the top level of the stylesheet:

<xsl:key name="mysetofkeys" match="/keybase/key" use="@name" />

Then, when you want to use it, put the key() function within an
xsl:for-each that has the document that holds the keys as its 'select'

<xsl:template match="keyref">
<xsl:variable name="keyrefname" select="@name" />
<xsl:for-each select="document('../shared/shared.xml')">
<b><xsl:value-of select="key('mysetofkeys', $keyrefname)/ACRONYM" /></b>

This is kind of explained in the XSLT Recommendation at, right at the end of that section.

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