Re: [xsl] Namespace problem

[Martin Honnen <Martin.Honnen@xxxxxx>]

Trevor Nicholls wrote:

> My root elements used to have local attributes, but now, thanks to the
> miracle of XSD, they have two additional attributes, e.g.
>   <document
>     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";

In the XSLT/XPath data model xmlns:xsi is not modelled as an attribute 
but rather as a namespace node.

>     xsi:noNamespaceSchemaLocation="../../xml_utils/hcdocs.xsd"
>     index="N"
>     mark="Y">
>
> The stylesheet generating the output XML creates the DTD declaration with
>   <xsl:output
>     doctype-system="../../xml_utils/fmdocs.dtd"
>     method="xml"
>     encoding="UTF-8" />
>
> and has some null templates suppressing attributes which are not needed in
> the output documents, eg:
>   <xsl:template match="@indx|@mark|@formatted" />
>   <xsl:template match="@rowspan[string(.)='1']" />
>   <xsl:template match="@colspan[string(.)='1']" />
>   <xsl:template match="@xml:space" />
>
> Using the last of these as a "template" :-) I added two new lines to the
> stylesheet doing this job for the schema version of the input:
>   <xsl:template match="@xsi:noNamespaceSchemaLocation" />
>   <xsl:template match="@xmlns:xsi" />
>
> These generate an error, because I haven't declared the namespaces, so I
> added
>   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
>   xmlns:xmlns=""
>
> to the <xsl:stylesheet> declaration, thinking this would drop both
> attributes. I wasn't sure what to put in the xmlns:xmlns one, as xmlns seems
> to be a bit of a special case. However whatever I try isn't helping: the
> xsi:noNamespaceSchemaLocattion attribute is being dropped, but the
> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; attribute is not.

You will need to avoid copying namespace nodes you don't want to be 
copied. In XSLT 2.0 you can use e.g.
  <xsl:copy copy-namespaces="no">
respectively
  <xsl:copy-of select="foo" copy-namespaces="no"/>

You will need to show us more of your stylesheet for suggestions on 
where exactly you need that.


--

	Martin Honnen
	http://msmvps.com/blogs/martin_honnen/