Thank you Michael,
With the copy and the function this will be quite transparent to the
developers, meaning it's quite easy to validate params of a function.
First time I need this actualy, but I'll consider moving this to a common
function in our lib.
Regards,
Matthieu
-----Message d'origine-----
De : Michael Kay mike(_at_)saxonica(_dot_)com
[mailto:xsl-list-service(_at_)lists(_dot_)mulberrytech(_dot_)com]
Envoyé : lundi 12 février 2018 18:19
À : xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Objet : Re: [xsl] Schema validation on a function parameter
You can simplify it a little to
<xsl:function name="my:function">
<xsl:param name="e" as="element()"/>
<xsl:variable name="e" as="schema-element(my:element)">
<xsl:copy-of select="$e" validation="strict"/>
</xsl:variable>
... do something here
</xsl:function>
If you do this a lot you could also try
<xsl:function name="my:validate" as="element(*, xs:anyType)">
<xsl:param name="e" as="element()"/>
<xsl:variable name="e" as="schema-element(*, xs:anyType)">
<xsl:copy-of select="$e" validation="strict"/>
</xsl:variable>
</xsl:function>
<xsl:function name="my:function">
<xsl:param name="e" as="element()"/>
... do something here with my:validate($e) </xsl:function>
Michael Kay
Saxonica
On 12 Feb 2018, at 12:07, Matthieu RICAUD-DUSSARGET
m(_dot_)ricaud-dussarget(_at_)lefebvre-sarrut(_dot_)eu
<xsl-list-service(_at_)lists(_dot_)mulberrytech(_dot_)com> wrote:
Hi !
I have a function which takes an element as parameter.
I want to validate this element against an xsd schema type definition.
I'm using XSLT 3.0 with a schema aware processor (SaxonEE 9.7.0.15)
At first, I thought I only have to :
<xsl:import-schema schema-location="my-schema.xsd"/> And then type the
parameter:
<xsl:param name="e" as=" schema-element(my:element)"/> But it does not
validate (when the xml in not valid I don't get any errors or
warnings)
Then after reading the XSLT 3.0 spec, I realized validation is processed only
on source or result-tree:
"The imported type definitions can be used for temporary nodes or for nodes
on a result tree just as much as for nodes in source documents"
So I found this solution :
<xsl:import-schema schema-location="my-schema.xsd"/>
<xsl:function name="my:function">
<xsl:param name="e" as="element()"/>
<xsl:variable name="e" as="document-node(schema-element(my:element))">
<xsl:document validation="strict">
<xsl:sequence select="$e"/>
</xsl:document>
</xsl:variable>
... do something here
</xsl:function>
This works pretty well, I actualy get a fatal error with its description when
$e is not valid, which is exactly what I was looking for.
Any advices, comment on this, is it a good way to do ? or there is
something more obvious which I missed (preventing creating this
document-node for example?)
Thanks in advance,
Cheers
Matthieu
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