Re: Xalan3 XSLT 2.0 XPath 2.0 support?

[Johannes Neubauer]

Hi Henry,

Am Mittwoch, den 01.08.2007, 09:56 -0400 schrieb Henry Zongaro:
> Could you elaborate on this?  I assume that you want to do something
> other than the following, but I'm not sure what: 
> 
>     Transformer t = ...; 
>     t.transform(new DOMSource(domNode), new StreamResult(...)); 

That's what I meant. Of course it would be a performance enhancement,
but not standard conform to have some templates that match a document
only partly and replace/enhance them with new nodes but work on the
source tree all the time. This way I could write something like this:
        
        import org.w3c.dom.Document;
        
        void magicTransform(Document dom) {     
                Transformer t = ...;
                t.transform(dom);
        }

        void transformCallerWithDOMTreebyReference(Document dom) {
                magicTransform(dom);
                new DOMViewer(dom).setVisible(true);
        }
        
If this is not conform to the standard this would suffice:

        import org.w3c.dom.Document;
        
        Document magicTransform(Document dom) { 
                Transformer t = ...;
                return t.transform(dom);
        }

        void transformCallerWithDOMTreebyReference(Document dom) {
                new DOMViewer(magicTransform(dom)).setVisible(true);
        }

There might be the necessity to put the dom tree into a wrapper and wrap
the result back to a dom tree, but the last example showed the
"principle". Did this answer your question? I would like to use this for
manipulating a SVG-DOM-Tree for example.

> > A XSLT to "native" Java compiler would be great, too.
> 
> Again, could you elaborate?  The Xalan project does have XSLTC, which
> generates Java classes.  Are you looking for something that generates
> Java source code that you could then modify?  

I meant XSLTC for XSLT 2.0 ;) .

> Or do you have some other requirement?

* A schema validator would be great ;). I don't know if there is already
an Apache project.

* A standalone XPath 2.0 engine and a XPath 2.0 engine for searching
sequences of nodes and atomic types in DOM trees. There is already XPath
1.0 support.

Perhaps next year I have more spare time and can submit a little
bit :) .

Greets,
Johannes Neubauer.

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