Re: Default Attributes and XSD

Thanks for your response,
we have one limitation: (only one single Transformation is allowed.
Tried to use fn:tranform() to do the 2-step solution: works, but the
performance ist too low.
Marko

> Indeed, this is not Saxon-specific, so may not be appropriate for this
> particular list — happy to move this conversation to the XSLT list or
> the XML Slack channel.
>
> In any case, my first thought is that a 2-step solution would be to
> read in the schema (in this case XSD), and write out an XSLT that
> itself reads in an instance and writes out the same with defaulted
> attributes added.
>
> I wrote such a system that did the opposite — removed attributes that
> had the default value — for RELAX NG over a decade ago. (I just
> looked: 12.98 years ago. :-)
>
> ------------------------------------------------------------------------
> First it's useful to keep in mind that XSDs are not DTDs - most
> particularly, DTDs have no notion of local declarations.
>
> This being the case, what you are asking is a tall order in the
> general case - for any (conformant) XSD.
>
> It might not be so bad, however, for a particular XSD, if it happens
> to follow coding conventions making it more like a DTD (and
> simplifying the problem of matching attributes to their definitions).
> The approach would probably be to reduce your XSD with a filter (XSLT)
> into what would constitute essentially a lookup table for your
> attribute defaults, then reference that from your main XSLT.
>
> Note this is not specifically a Saxon question, or answer.
>
>     using XSLT with SaxonEE 10.3, I want all default attribute values
>     from a schema-valid XML instance to be expanded, but the
>     XSLT-Transformation itself must not be schema-ware.
>
>     I would like to have the same behavior as transforming a DTD-valid
>     XML instance with Saxon.
>
>     Any suggestions? Thanks in advance
>
>
>
>
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Dr. Marko Hedler
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