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From "Simon St.Laurent" <simon...@oreilly.com>
Subject Re: A Transformer in progress....
Date Fri, 10 May 2002 13:19:23 GMT
Regular Fragmentations does _most_ of this:
http://regfrag.sourceforge.net/

The rules vocabulary is described at:
http://simonstl.com/ns/fragments/

The one key pieces that's missing is the XPath support, which I've been 
planning for a while but haven't gotten to building.  I've been building a 
new and more flexible object model (http://moe.sourceforge.net/) to use 
with RegFrag, but hopefully...

At 02:10 PM 5/10/2002 +0200, Stefano Mazzocchi wrote:
>"Lewis, Andrew J" wrote:
> >
> > > I'm working on a Transformer that processes specifically text nodes and
> > > using regular expressions, wraps matched portions of a node in a tag. I'm
> > > really just getting started on it - I have the basics working, but still
> > > need to be able to specify the rules in an external file, etc. It has 
> been
> > > an interesting excercise so far, and the intent is to be able to detect
> > > things like dates, currency amounts, and units of measure in a text node,
> > > and mark them for later processing.
> > >
> > > I am planning on allowing rules to be specified in an external file
> > > identified at componenet configuration, or directly in the component
> > > configuration. I am also planning on allowing the "replacement" to be a
> > > complete fragement with groups from the matched expression referencable
> > > (and replaced) in etiher attribute values or text nodes. (currently I
> > > merely enclose the match in a tag).
> > >
> > > Before I move on, has anyone else already done something like this? Does
> > > anyone (other than me) think it would be useful?
> > >
> > > Ok...now to my real question...
> > >
> > > Does anyone know of existing code that I can use to track and identify if
> > > the current point in the SAX stream matches a simplified XPath 
> expression?
> > > I would really like to apply expression rule set based on an XPath 
> subset.
> > >
> > > Any comments or suggestions?
> > >
> > > Thanks!
>
>I know that Simon wrote a SAX filter along the lines of this, right
>Simon?
>
>I think it's going to be piece of cake to take his stuff and make it a
>cocoon transformer.
>
>--
>Stefano Mazzocchi      One must still have chaos in oneself to be
>                           able to give birth to a dancing star.
><stefano@apache.org>                             Friedrich Nietzsche
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Simon St.Laurent
Associate Editor
O'Reilly & Associates, Inc.

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