RE: [xsl] How to replace a reference to a tag by the tag itself?

Subject: RE: [xsl] How to replace a reference to a tag by the tag itself?
From: "Michael Kay" <mike@xxxxxxxxxxxx>
Date: Thu, 6 Aug 2009 14:19:54 +0100
It depends how elaborate you want to be, for example whether you want to
handle references to a model group defined in a different schema document.
There are also complications that the group reference can have minOccurs and
maxOccurs attributes - if these are present, then you can't simply expand
the group reference by its content. Ignoring those two problems, you want
something like this:

<xsl:key name="groupKey" match="xs:schema/xs:group" 
    use="QName(/xs:schema/@targetNamespace, @name)"/>

<xsl:template match="group[@ref]">
  <xsl:apply-templates select="key('groupKey', resolve-QName(@ref, .))/*"/>

It also ignores other problems such as the possibility that the group is
redefined somewhere. Processing raw schema documents like this is error
prone; if you want to get it right every time it's better to work with the
schema component model generated by a schema processor that understands the

Note: if you're using a schema-aware processor you don't need the
resolve-QName(), that will be done for you automatically.


Michael Kay 

> -----Original Message-----
> From: Ben Stover [mailto:bxstover@xxxxxxxxxxx] 
> Sent: 06 August 2009 13:42
> To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> Subject: [xsl] How to replace a reference to a tag by the tag itself?
> As you may know XML Schema files allow the following 
> declaration inside a XML Schema file:
> <xsd:sequence>
> <xsd:group ref="foobar"/>
> </xsd:sequence>
> ....
> <xsd:group name="foobar">
> ....stuff of foobar
> </xsd:group>
> I would like to write now a XSLT script which replaces the 
> reference by the tag itself or - alternatively - by a Type 
> declaration.
> So after application of this XSLT script the resulting XML 
> Schema file should look like either
> <xsd:sequence>
> ....stuff of foobar
> </xsd:sequence>
> or
> <xsd:sequence>
> <xsd:element name="foobar" type="foobarType"/> </xsd:sequence> ....
> <xsd:ComplexType name="foobarType">
> ....stuff of foobar
> </xsd:ComplexType>
> How would such a XSLT script look like?
> Thank you
> Ben

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