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Re: can a variable hold a node set?

Subject: Re: can a variable hold a node set?
From: "G. Ken Holman" <gkholman@xxxxxxxxxxxxxxxxxxxx>
Date: Tue, 12 May 2009 09:42:49 -0400
Re:  can a variable hold a node set?
At 2009-05-12 09:36 -0400, Dmitri Snytkine wrote:
I made a template for replacing strings with translated value using
the lookup table. The lookup table is included in the template, so I
can access it with

But since there usually over 10 strings that have to be translated on
a single page, I think it's not efficient to call document('') 10

False ... the processor is obliged to cache the document tree created by the document() function.

Is there a way to copy the value of document('')/*/trans:tr to a
variable and then access that variable 10 times?
Can a variable hold the node set?


<xsl:variable name="trs" select="document('')/*/trans:tr"/>

Would this make sense?

Yes because then you aren't traversing the in-memory tree. So you may be saving time on accessing the tree, but you won't be saving time on accessing the document.

If yes, then how can I change this template?

From the snippet I see I would make the variable $trs (above) global.

Or even go one level farther down the tree:

<xsl:variable name="trstrings" select="document('')/*/trans:tr/tr_string"/>


<xsl:value-of select="$trstrings[@str=$str]/*[local-name()=$toLang]"/>

I hope this helps.

. . . . . . . . . . Ken

XSLT/XSL-FO/XQuery hands-on training - Los Angeles, USA 2009-06-08
Crane Softwrights Ltd.          http://www.CraneSoftwrights.com/s/
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