I have a problem involving the reuse of xpath tests. Unless I've used
the wrong search terms, the following doesn't seem to have been
discussed in the archives.
The context is a financial xslt file that outputs itemised monthly
reports from an unitemised year-to-date xml file. For each item in the
output file, I need to do two tests: one for date and the other for some
other feature (usually party [i.e. payer/payee]). This would be an
example with no parameters or variables:
<xsl:variable name="actualelectricity">
<xsl:value-of select="sum(/statement/item[date >= 20050228 and
party[contains('DEML')]]/amount)"/>
</xsl:variable>
What I want to do is turn the two expressions in the test into
independent variables so that I could do something like this:
<xsl:variable name="actualelectricity"> <xsl:value-of
select="sum(/statement/item[$datetest and $electricitytest]/amount)"/>
</xsl:variable>
Where
datetest = (date >= 20050228)
and
electricitytest = (party[contains('DEML')])
The reason for doing this is that it allows me to reuse the category
tests (i.e. the party[contains()]-type tests) independently of the date
tests: for year-to-date summaries, and for a miscellaneous class that
consists of anything that is not identified by an explicit category test.
Is there a way of doing this? Nothing I've tried seems to work.
-dan
--
Daniel Paul O'Donnell, PhD
Associate Professor of English
University of Lethbridge
Lethbridge AB T1K 3M4
Tel. (403) 329-2377
Fax. (403) 382-7191
E-mail <daniel(_dot_)odonnell(_at_)uleth(_dot_)ca>
Home Page <http://people.uleth.ca/~daniel.odonnell/>
The Digital Medievalist Project: <http://www.digitalmedievalist.org/>
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