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Re: flex/bison based xpath parser

Subject: Re: flex/bison based xpath parser
From: Francis Norton <francis@xxxxxxxxxxx>
Date: Fri, 03 Sep 1999 10:57:20 +0100
xpath lex yacc
Hi Sean,

I've been writing batch files to try to do xpath viewing (which I really
need to help analyse large large and rapidly changing XML dump I'm
formatting) but getting stymied by XSLT's refusal to permit
paramterisation of select attributes - I even tried external entities!

So if you need a user I'd be interested - I have some java experience
but haven't yet tried XSLT from inside java - I've been doing pure XSLT
in batch.


zun@xxxxxxxxxxxxxx wrote:
> Hi Joerg,
> On Mon, 23 Aug 1999, Joerg Brunsmann wrote:
> > out of curiosity I built a lex/yacc based implementation of the xpath
> > grammar which might be of use for somebody else. Use it like this:
> [ snip]
> Thanks for your effort Joerg!  I at least have another parser to compare
> mine with, I wrote mine with Antlr in Java and will release it soon as a
> Java library that evaluates XPath expressions on DOM trees and returns
> result Nodes, as well as a graphical viewer utility.
> > Still don't know how to handle brackets of AVTs ("{" and "}"). Am I
> > missing something?
> AVTs are not part of XPath but of XSLT and only should be recognized in
> certain places, e.g. in attribute values of literal result elements per
> section 8.6.2.  It also details treatment of double curly braces etc.
> there.
> So some of your test expressions is not legal XPath.  Some others seem to
> be causing trouble in my parser too, so it's back to work for me!
> . . . Sean.
>  XSL-List info and archive:  http://www.mulberrytech.com/xsl/xsl-list

 XSL-List info and archive:  http://www.mulberrytech.com/xsl/xsl-list

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