Re: [xml-dev] [xpattern] Stream Order Operator

* Vladimir Gapeyev <> [2005-01-19 10:38]:
> 
> 
> On Wed, 19 Jan 2005, Alan Gutierrez wrote:  <excerpts>
> 
> >     XPath notion is a path language. It expresses paths in a
> >     document.  I'd like to have a stream langauge.
> >
> >     Then you need something to indicate the order in the stream, I
> >     suggest using the comma.
> >     /a/b(foo, bar, baz)/c
> >     /a(b/foo, b)/c
> >
> >     Then you can have proper pattern matching operators.
> >     /a(b/foo+, b*)/c
> >
> >     Coming back to capturing.
> >     /a(<b>, c = $1)
> 
> The above examples with ordering and regular expression operators suggest
> you could consider basing XPattern on patterns derived from RelaxNG-like
> types rather than from XPath-like paths.  If so, there is some prior work
> that could be of use:
> http://xduce.sourceforge.net/
> 
> XDuce didn't explicitly pursue support for streamed processing, but some
> ideas might still be useful.  The paper [2] (in ACM Transactions) on
> http://xduce.sourceforge.net/papers.html contains the most readable
> introduction.

    With a new file upload in December, 27th, 2004, it looks as
    though the project is still active. What is the status?

--
Alan Gutierrez -