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From Stefano Mazzocchi <stef...@apache.org>
Subject Re: A Transformer in progress....
Date Fri, 10 May 2002 12:10:23 GMT
"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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