I don't have a detailed plan yet. However, the current alpha 4 has
solved most of the problems of using XMLC in a environment with
Xerces1/2.
Moving to Xerces 2 is only good if we can use Xerces 2 (or any DOM
Level 2 compliant packages) "unmodified." Otherwise, we are going to
have to same problem as we facing right now.
Will post more when I get a chance to look into in detail about what
needs to be done.
David
On Wednesday, Mar 19, 2003, at 20:46 Asia/Shanghai, Alfred Madl wrote:
Hi David !
Would it be possible from your side to draw a detailled plan for
updating to Xerces 2 ?
Since we will have the need for Xerces 2 in Enhydra 6.0 (which will
support Tomcat 4.x and other servlet servers) we would like to do that
move in XMLC. But we can definitely need your help for outlining the
detailled plan.
Please tell us what you always wanted to do...
Greetings.
Alfred
From: David Li <david@xxxxxxxxxxxxxxxxx>
Reply-To: enhydra@xxxxxxxxxxx
To: enhydra@xxxxxxxxxxx
Subject: Re: Enhydra: support for xerces 2.x in XMLc
Date: Wed, 19 Mar 2003 19:00:20 +0800
LazyDOM is the least problem when it comes integrating with Xerces 2.
To upgrade to Xerces 2, we are mostly dealing with the assumption
XMLC made on DOM interface. I have posted a long discussion in the
list explaining the problem.
"Moving XMLC to Xerces 2 won't help..."
http://xmlc.enhydra.org/project/mailingLists/xmlc/msg02059.html
We need to refactor XMLC first into the following modules and make
sure each module uses only the standard DOM Level 2 API.
- Parsing
- DOM building
- DOM editing
- DOM output
- XMLC runtime
Then, upgrading to Xerces 2 would make sense. Otherwise, simply
upgrading the DOM in XMLC to Xerces 2, we would encounter the exact
same problem we had with XMLC right now. 2.2 alpha 4 partially solves
the problem of using XMLC in a environment with Xerces 1/2 packages.
David
Moving to Xerces 2 is a big work and we still trying to figure out
what's the best way to do this. I can't really give a schedule at
this point.
David
Am I right to think that it's a big work due to LazyDOM ? Would it
be easier to have an XMLc with xerces 2.x without the lazyDOM as a
beginning ?
New optimizations could be added afterward ?
Gilles,
--
Gilles Sérasset
GETA-CLIPS-IMAG (UJF, INPG & CNRS)
BP 53 - F-38041 Grenoble Cedex 9
Phone: +33 4 76 51 43 80
Fax: +33 4 76 44 66 75
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