Re: [xsl] Lookup tables

Subject: Re: [xsl] Lookup tables
From: Wendell Piez <wapiez@xxxxxxxxxxxxxxxx>
Date: Fri, 16 Mar 2007 11:06:41 -0400

Keys may be useful to Kamal, but I haven't seen anything in his first post to suggest to me he can't use a simple global variable binding:

<xsl:variable name="lookup" select="//Lookup/Parameter"/>

<xsl:template ...>
<xsl:variable name="looked-up-value" select="$lookup[@key='key-to-lookup']"/>

This is, in effect, a key, without having to use the full key function apparatus.

Simpler is generally better, until it doesn't do the job.


My company is designing XML specifically for XSLT processing. A question that has come up is the use of lookup tables. We have a lot of repeated data, and our system architect would like that data put in a "lookup table" at the top of the XML. By lookup table I mean XML with some key that can be identified. The only way I can think of processing this XML in XSLT 1.0 (without a lot of '..') is to use something like

ancestor::node()//LookUp/Parameter[@key = 'key_to_lookup'].

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