[oXygen-user] Schematron doesn't respect the full path in the test attribute.

[Danny MacMillan]

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

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------- Original Message -------
On Monday, May 15th, 2023 at 10:36, Danny MacMillan <dm-bulk-oxygenxml at 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.
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