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RE: Xpath/XSLT 2.0 & Schema Question

Subject: RE: Xpath/XSLT 2.0 & Schema Question
From: "Michael Kay" <mike@xxxxxxxxxxxx>
Date: Thu, 1 Apr 2010 17:07:54 +0100
RE:  Xpath/XSLT 2.0 & Schema Question
Schema-awareness means that the type information is used by the XSLT
processor, but there is no standard facility that makes the type information
available for introspection by the application itself.

One thing you could try is to export the schema in Saxon's SCM format, which
is designed to be easier for applications to process than raw schema
documents. There's a Saxon extension function to get the type annotation of
an element or attribute node, and you could use this to get details of the
simple or complex type from the SCM schema. But it rather depends what you
are trying to do with the type information.


Michael Kay

> -----Original Message-----
> From: Luke Stedman [mailto:luke.stedman@xxxxxxxxx]
> Sent: 01 April 2010 16:59
> To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> Subject:  Xpath/XSLT 2.0 & Schema Question
> Apologies in advance for what is probably a very
> simple/basic/stupid question.
> I have just started using XSL 2.0, having had enough of the
> restrictions of XSL 1.0, and am trying to write a XSL that is
> schema aware.
> I would like to process an XML file and add
> information/process something based on the schema, for
> example adding class information to XML output or processing
> an element in a specific way if we want a console script or
> Python script output.
> I have tried for the last couple of hours to get the code
> working but seem to be unable to, a small snippet of code is below...
>   <xsl:template match="*[@name and @xsi:type]">
>   <xsl:copy>
>    <xsl:copy-of select="@*"/>
>    <xsl:attribute name="action" select="'new'"/>
>    <xsl:variable name="name" select="name(.)"/>
>    <xsl:variable name="type" select="current()/@xsi:type"/>
>    <xsl:variable name="object" select="element(*, $type)"/>
> <!-- I want to get the relevant schema entry here -->
>    <xsl:message>
>     ++++
>     <xsl:value-of select="current()/@name"/>
>     <xsl:variable name="type" select="current()/@xsi:type"/>
>     <xsl:value-of select="$object//base"/>
>     ++++
>    </xsl:message>
>    <xsl:apply-templates/>
>   </xsl:copy>
>  </xsl:template>
> Am I misunderstanding the functionality or doing something wrong?
> If I have missed a relevant post on the list or obvious link
> then please point me in its direction, I was unable to find
> one using a search.
> Apologies again for any stupid comments/expectations.
> Luke

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