Subject: Re: [xsl] CSV output - select using xpath in variable From: "Imsieke, Gerrit, le-tex" <gerrit.imsieke@xxxxxxxxx> Date: Fri, 11 Jun 2010 10:50:01 +0200 |
Then instrument/isin needs to be a string (put single quotes around it): <xsl:variable name="path" select="'instrument/isin'" as="xs:string" />
Then it's as simple as <xsl:value-of select="$message/message/trade/saxon:evaluate($path)" />
Thanks. I'll have a look at evaulate.
At least 2.0 fixed the select from a parameter e.g. $message/trade/instrument and you don't have to use a node set function! :-)
Nick
On Fri, Jun 11, 2010 at 8:58 AM, Imsieke, Gerrit, le-tex <gerrit.imsieke@xxxxxxxxx> wrote:Dear Nick,
dynamic evaluation of XPath expressions is not (yet?) available in standard XSLT 2. Have you looked at saxon:evaluate? http://www.saxonica.com/documentation/extensions/functions/evaluate.html
Gerrit
On 11.06.2010 09:48, Nick Leaton wrote:
I'm trying to get a variant on the XSLT cookbook template to output csv
http://books.google.co.uk/books?id=6q50V7oykqEC&lpg=PP1&pg=PA240#v=onepage&q=delimiter&f=false
Page 240-241
It uses XSLT 2.0 and parts of it are quite neat.
I like the idea of importing a generic module, and then defining the columns to export in the importing module.
I want to extend it to hand different delimiters, in the same way, and also different line terminators.
The next extension is correctly quoting the output if it containts quotes in strings etc.
So far, I can do this.
However, there is one problem I can't solve.
My input data is not regular, but CSV output needs to be regular. So I want to defined the column names like this
<xsl:variable name="columns" select=" 'trade', 'trade', 'currency', 'isin' " as="xs:string*" />
and the path names to get the data like this
<xsl:variable name="nodepaths" select=" 'tradeid', 'trader', 'currency', 'instrument/isin' " as="xs:string*" />
The interesting part is the isin. To get the path from the input fragment, it is an xpath.
So if I had
<xsl:variable name="path" select="instrument/isin" as="xs:string"/>
and
<xsl:variable name="message"> <message> <trade> <tradeid>1</tradeid> <trader>Nick</trader> <currency>USD</currency> <instrument> <isin>US0123456789</isin> </instrument> <trade> </message> <xsl:variable>
I want to do something like
<xsl:value-of select="$message/$path"/>
and have it return US0123456789
What's the best way?
-- Nick
-- Gerrit Imsieke Geschdftsf|hrer / Managing Director le-tex publishing services GmbH Weissenfelser Str. 84, 04229 Leipzig, Germany Phone +49 341 355356 110, Fax +49 341 355356 510 gerrit.imsieke@xxxxxxxxx, http://www.le-tex.de
Registergericht / Commercial Register: Amtsgericht Leipzig Registernummer / Registration Number: HRB 24930
Geschdftsf|hrer: Gerrit Imsieke, Svea Jelonek, Thomas Schmidt, Dr. Reinhard Vvckler
-- Gerrit Imsieke Geschdftsf|hrer / Managing Director le-tex publishing services GmbH Weissenfelser Str. 84, 04229 Leipzig, Germany Phone +49 341 355356 110, Fax +49 341 355356 510 gerrit.imsieke@xxxxxxxxx, http://www.le-tex.de
Registergericht / Commercial Register: Amtsgericht Leipzig Registernummer / Registration Number: HRB 24930
Geschdftsf|hrer: Gerrit Imsieke, Svea Jelonek, Thomas Schmidt, Dr. Reinhard Vvckler
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