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From "Geoff Longman" <glong...@intelligentworks.com>
Subject Re: Error Parsing solved
Date Sat, 01 Feb 2003 17:43:58 GMT
aw crap, I didn't know about the shuttle accident when I wrote this...


----- Original Message -----
From: "Geoff Longman" <glongman@intelligentworks.com>
To: <tapestry-dev@jakarta.apache.org>
Cc: <tapestry-developer@lists.sourceforge.net>
Sent: Saturday, February 01, 2003 9:56 AM
Subject: Error Parsing solved


> I have come up with a scheme that will give Spindle all the information it
> needs to show lots of errors without
> changing the SpecParser, or AbstractDocumentParser!
>
> I have a built a custom Xerces parser that attaches the location
information
> to the DOM nodes via setUserObject().
> Each element and attribute will be able to report:
>
> begin line, begin column, end line, end column. As well if an element is
> thus:
>
> <foo>
> .....
> </foo>
>
> the node for foo will contain the boundary info for both the start and the
> end tag.
>
> As well, I'm adding a document handler to the parser pipeline that will do
> the checks done by the SpecificationParser
> (the perl expression stuff). Heck, down the road I may add another handler
> to the pipeline that further validates the content, i.e..
> checks to see if component X really exists. Something along the lines of
> Mindbridge's validator. (Hopefully my stuff can compliment MB's).
>
> It may get to the point where Spindle only needs to use the SpecParser to
> create Tapestry objects, everything will be prevalidated.
> hmm maybe there should be a switch in the parser that turns off the
internal
> checking, might add up to a speed improvement - might not though.
>
> And the really cool thing for Tapestry 2.4 support is that the same kind
of
> validation will be possible in the templates. I have found a parser built
on
> Xerces that parses HTML and synthesizes missing HTML tags to make the
> document well formed.
>
> I'm happy, the sun is shining, 2.4 support in Spindle is coming!
>
> Geoff
>
> Geoffrey Longman
> Intelligent Works Inc.
>
>
>


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