xsl:apply-keys for XT (was: an implementation of xsl:key for XT (2nd attempt))

Subject: xsl:apply-keys for XT (was: an implementation of xsl:key for XT (2nd attempt))
From: Denys Duchier <Denys.Duchier@xxxxxxxxxxxx>
Date: 19 Aug 1999 00:43:28 +0200
I now added an implementation of xsl:apply-keys with the following
semantics: if there are n (top-level) xsl:apply-keys declarations in
the stylesheet:

        <xsl:apply-keys select=E1/>
        ...
        <xsl:apply-keys select=En/>

then the set of roots from which indexing (i.e. the creation of key
entries) proceeds is:

        /|E1|...|En

In a typical application you might have:

        <xsl:apply-keys select="document('author.xml')"/>

This does not seem to afford quite as much expressivity as one might
like: all documents get indexed through precisely the same process.
However, perhaps there is a way to use namespaces to recover more
specificity, but I have not thought much about the issue yet.

Cheers,

-- 
Dr. Denys Duchier			Denys.Duchier@xxxxxxxxxxxx
Forschungsbereich Programmiersysteme	(Programming Systems Lab)
Universitaet des Saarlandes, Geb. 45	http://www.ps.uni-sb.de/~duchier
Postfach 15 11 50			Phone: +49 681 302 5618
66041 Saarbruecken, Germany		Fax:   +49 681 302 5615


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