Re: [xsl] NodeTest expected here - problem with creating xsl:key from document(url)

[Trevor Nash <tcn@xxxxxxxxxxxxx>]

On Mon, 26 Aug 2002 15:53:59 -0700, Chuck White wrote:

>...
><xsl:variable name="lookup" select="document('LookupTable.xml')" />
><xsl:key name="keyedLookupTable" match="LookupTable/Value" use="@key"/>

You might as well just say match="Value", unless you really do have
Value elements which are *not* children of a LookupTable and you want
to ignore them.

>
><xsl:value-of select="$lookup[key('keyedLookupTable' , $currentKey)]"/>
>...
Not quite.  This will either return an empty string or the string
value of the *whole* LookupTable.xml document, according to whether
there are any nodes in the document matching $currentKey.

You are executing the key() function in the right context, but
unfortunately there isn't a way of getting at the value: it is being
cast to a boolean which is then used to filter the node set $lookup,
which contains a single node which is the root node of the
LookupTable.xml document.

See Wendell's message for the right approach, using xsl:for-each.  Or
use XPath 2.0, where there is a pure XPath syntax for changing
context.

Trevor Nash
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