Re: How do I pass the mode as a string?

While this is not allowed in XSLT, one can accomplish the passing functions
as parameters.

For XSLT 1.0, 2.0 see the FXSL library.

The XSLT 3.0 / XPath 3.0 and 3.1 standards support higher order functions.

Cheers,
Dimitre

On Tue, Mar 3, 2020 at 3:20 AM Kerry, Richard richard.kerry@xxxxxxxx <
xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> wrote:

>
> Normally I would specify apply-template's mode as a literal, eg:
> <x:apply-templates mode="inputs" />
>
> I have a number of instances of similar code which need to have different
> modes, eg:
> <x:apply-templates mode="outputs" />
>
> I'd like to extract all of this into a separate block that I will call
> with these two values.
>
> <x:variable name="match-mode" >inputs</x:variable>
> <x:apply-templates mode="$match-mode" />
>
> Doesn't work.  Saxon reports:
> Static error at x:apply-templates on line 47 column 74 of xxx.xsl:
>   XTSE0020: Mode name {$match-mode} is not a valid QName
>
> OK, so it's a QName, not a string.
>
> So I try:
> <x:variable name="match-mode" as="xs:QName" >inputs</x:variable>
> <x:apply-templates mode="$match-mode" />
>
> Again giving:
> Static error at x:apply-templates on line 47 column 74 of
> AlarmsAllToDot.xsl:
>   XTSE0020: Mode name {$match-mode} is not a valid QName
>
> (xs is defined as xmlns:xs="http://www.w3.org/2001/XMLSchema" )
>
> So just telling it to be a QName doesn't seem to work.
> I think this syntax for variable means 'inputs' is a text node, so what
> about:
> <x:variable name="match-mode" as="xs:QName" select="'inputs'" />
> <x:apply-templates mode="$match-mode" />
>
> So do I need to do something more actively to generate a QName?
> There is a QName function, so how about:
>
> <x:variable name="match-mode" as="xs:QName" select="QName('', 'inputs')" />
> <x:apply-templates mode="$match-mode" />
>
> Giving me the same error.
>
> So, where am I gong wrong?
> The QName function takes two strings, the first being the namespace.  So
> is that wrong to be blank?
> Is "inputs" in my namespace?  Or is it XSLT's?
> Given that this will be fed directly to apply-templates, presumably it
> needs to be in XSLT's, so how about:
>
> <x:variable name="match-mode" as="xs:QName" select="QName('x', 'inputs')"
> />
> <x:apply-templates mode="$match-mode" />
>
> (x is defined as   xmlns:x="http://www.w3.org/1999/XSL/Transform")
>
> Giving the same error.
>
> Or is this about how it is presented to apply-templates?
> Am I right to use mode="$match-mode", or should that be done differently?
>
>
> So, I've tried a few options but I suspect there's something important I'm
> missing about QNames and the mode attribute.
> Please can someone advise.
>
> Regards,
> Richard.
>
>
>
>
>
> *Richard Kerry*
>
> BNCS Engineer, SI SOL Telco & Media Vertical Practice
>
> M: +44 (0)7812 325518
>
> 2nd Floor, MidCity Place, 71 High Holborn, London, WC1V 6EA
>
> richard.kerry@xxxxxxxx
> <https://webmail.siemens-it-solutions.com/owa/redir.aspx?C=9fb20d019e3e4cb99344d708709a3177&URL=mailto%3arichard.kerry%40atos.net>
>
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-- 
Cheers,
Dimitre Novatchev
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