I meant the context attribute of course.
I can also silence the warning by defining a variable holding the appropriate
elements and using the variable in my rules. This is what I will do in
practice. It does look broken to me though.
Thanks,
--
Danny MacMillan
Sent with [Proton Mail](https://proton.me/) secure email.
------- Original Message -------
On Monday, May 15th, 2023 at 10:36, Danny MacMillan
<dm-bulk-oxygen...@mail-eh.ca> wrote:
> Hello,
>
> Consider the following XML:
>
> <?xml version="1.0"?>
> <root>
> <relevant>
> <element relevant-attribute="this attribute exists only on elements under
> relevant"/>
> </relevant>
> <irrelevant>
> <element/>
> </irrelevant>
> </root>
>
> And the following Schematron:
>
> <?xml version="1.0" encoding="UTF-8"?>
> <schema xmlns="http://purl.oclc.org/dsdl/schematron"; queryBinding="xslt3"
> xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
> xmlns:map="http://www.w3.org/2005/xpath-functions/map";>
> <ns prefix="map" uri="http://www.w3.org/2005/xpath-functions/map"/>
> <let name="some-map" value="map {}"/>
> <pattern>
> <rule context="/*/relevant/element[map:contains($some-map,
> @relevant-attribute)]">
> <assert test="true()">Impossible</assert>
> </rule>
> </pattern>
> </schema>
>
> When I validate the XML with the Schematron, Oxygen prints a warning that an
> empty sequence is not allowed as the second argument to map:contains, which
> I've determined is because it is testing the "element" elements under
> "irrelevant". I know this because if I add a second such element, the error
> prints twice. If I have 9, the error prints 9 times. But why is it testing
> that element? I deliberately used xpath that navigates via the parent because
> I want to include only elements under that parent, but it seems that it's
> looking at all elements, anywhere in the document, named 'element'. Is this
> expected?
>
> I can silence the warning if I explicitly check for the presence of the
> attribute:
>
> <?xml version="1.0" encoding="UTF-8"?>
> <schema xmlns="http://purl.oclc.org/dsdl/schematron"; queryBinding="xslt3"
> xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
> xmlns:map="http://www.w3.org/2005/xpath-functions/map";>
> <ns prefix="map" uri="http://www.w3.org/2005/xpath-functions/map"/>
> <let name="some-map" value="map {}"/>
> <pattern>
> <rule context="/*/relevant/element[@relevant-attribute and
> map:contains($some-map, @relevant-attribute)]">
> <assert test="true()">Impossible</assert>
> </rule>
> </pattern>
> </schema>
>
> But not if I precede the broken rule with a rule that should equivalently
> prevent the broken rule from firing on those elements:
>
> <?xml version="1.0" encoding="UTF-8"?>
> <schema xmlns="http://purl.oclc.org/dsdl/schematron"; queryBinding="xslt3"
> xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
> xmlns:map="http://www.w3.org/2005/xpath-functions/map";>
> <ns prefix="map" uri="http://www.w3.org/2005/xpath-functions/map"/>
> <let name="some-map" value="map {}"/>
> <pattern>
> <rule context="/*/relevant/element[not(@relevant-attribute)]">
> <assert test="true()">Impossible</assert>
> </rule>
> <rule context="/*/relevant/element[map:contains($some-map,
> @relevant-attribute)]">
> <assert test="true()">Impossible</assert>
> </rule>
> </pattern>
> </schema>
> Thanks,
>
> --
> Danny MacMillan
>
> Sent with [Proton Mail](https://proton.me/) secure email._______________________________________________
oXygen-user mailing list
oXygen-user@oxygenxml.com
https://www.oxygenxml.com/mailman/listinfo/oxygen-user
