RE: [xsl] keys and idrefs - XSLT2 request?

Jeni.
> Speculating a bit - given all the talk of 'sequences' in the
> XPath/XQuery documents, perhaps tokenising on whitespace will be
> fairly automatic, especially if you have access to the DTD or XML
> Schema and can work out that a particular value is a IDREFS, ENTITIES
> or other 'list' type.
> 
> In other words, an XSLT 2.0 processor might look at the 'controls'
> attribute, go "aha, an IDREFS attribute" and treat it as a sequence of
> IDREF values. *If* that were the case, then:
> 
> <xsl:key name="control" match="process" use="@controls" />

My preference certainly, the backwards compatibility issue,
wouldn't that be addressed by the stylesheet version?



> Which is all to say that I don't think we'll have to worry about
> tokenising on whitespace in XPath 2.0. *But* we might want to ask for
> tokenisation on other characters (e.g. commas) - I can't see a
> xf:tokenize() function to create sequences in the F&O document...

I would certainly support its addition to 2.0.
I find saxon:tokenize () extremely useful, and invoke it 
quite regularly. Pity about the spelling:-)

Use case:
  DB output, subfields are token split using $ symbol.
   xf:for-each select= xf:tokenise (., '$')

Regards DaveP

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Received on Wednesday, 10 October 2001 04:09:33 UTC