Re: [xml] xpointer xmlns() scheme?

["Bob Stayton" <bobs sagehill net>]

Actually, it is working.  When I constructed a simple example, it worked, 
so I went back to my original problem and found an error in the XInclude 
expression.  Sorry for the noise.

Bob Stayton
Sagehill Enterprises
DocBook Consulting
bobs sagehill net


----- Original Message ----- 
From: "Daniel Veillard" <veillard redhat com>
To: "Bob Stayton" <bobs sagehill net>
Cc: <xml gnome org>
Sent: Friday, January 19, 2007 12:20 PM
Subject: Re: [xml] xpointer xmlns() scheme?


> On Fri, Jan 19, 2007 at 11:00:07AM -0800, Bob Stayton wrote:
> > I'm a big fan of XInclude, and I use xmllint and xsltproc extensively
> > because they support the xpointer() scheme of XInclude.  I recently 
> > tried
> > to process some DocBook5 documents which are in the docbook namespace, 
> > and
> > I'm not having much luck.  It seems the xmlns() scheme must be specified 
> > as
> > part of the xpointer attribute for the include element, but it doesn't 
> > seem
> > to work in libxml2.
> >
> > <xi:include href="booktest5.xml"
> >   xpointer="xmlns(db=http://docbook.org/ns/docbook)
> > xpointer(//db:dedication)"
> >   xmlns:xi="http://www.w3.org/2001/XInclude"/>
> >
> > Am I doing something wrong, or is xmlns() not supported with the 
> > xpointer
> > scheme?
>
>  That looks right, and libxml2 has the xmlns() scheme support compiled in
> if xpointer. However I don't see any test in the regression suite 
> covering
> xmlns(), the code in xpointer.c looks fine though, it registers the 
> binding
> in the XPath context. If you could make a tiny example showing the 
> problem
> with xmllint ...
>  Might be broken though:
>
> paphio:~/XML -> cat test.xml
> <bar xmlns="http://foo/"/>
> paphio:~/XML -> testXPath --xptr 
> 'xmlns(foo=http://foo/)xpointer(//foo:bar)' test.xml
> Object is empty (NULL)
> Object is a Node Set :
> Set contains 0 nodes:
> paphio:~/XML -> testXPath --xptr 'xpointer(//foo:bar)' test.xml
> XPath error : Undefined namespace prefix
> Object is empty (NULL)
> Object is a Node Set :
> Set contains 0 nodes:
> paphio:~/XML ->
>
> Daniel
>
> --
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> Daniel Veillard      | virtualization library  http://libvirt.org/
> veillard redhat com  | libxml GNOME XML XSLT toolkit  http://xmlsoft.org/
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