Jeremy Quinn wrote:
On Monday, Nov 25, 2002, at 18:59 Europe/London, Stefano Mazzocchi wrote:
Hunsberger, Peter wrote:
hmmmm, hmmmm, hmmmm, I have FS alarms ringing all over the place in
my head, but I have several great examples of where having that
would rock the planet.... but still, I'm afraid of people going
back adding programmatical logic to the sitemap....
... but it would be *so* cool to have a Workflow definition
language created as markup and then having a pipeline that
generates the flowscript by XSLT transformation!
I've been exploring the ability to define flow via XSLT and parsed
markup
for some time now. I've a conceptual design in my head so far, but
it is
very different from what exists in Cocoon so far, and different from
generating flowscript: it seems to me that the essential
requirement here
is just to be able to drive Cocoon via XSLT parsing of the current
context
(request, session, etc. as the user sees fit).
<snip/>
Ok, we'll keep this on the stack of 'possible wild proposals', ok? :)
No, seriously, I'm very happy when people think about radically
different approaches to solve the same problems because that's how
innovation takes place.
Gosh!
I was expecting to see Stefano blow up there!! ;)
What you are describing sounds very like a common Cocoon 1 webapp
model, whereby XSLT Stylesheets would use data in the DOM and internal
logic to inject Processor Instructions to direct transformation flow.
I still find myself wanting pipelines that will react to changing data
in the pipeline, ie, changes the processing path by changes in the
data. But you are in a world of pain trying that in Cocoon now, it's
not the way you are supposed to work .... you can't suddenly say, Ohh
look, I reckon I need to run the SQLTransformer on that .... unless
you always put it on your pipeline whether it is needed or not. Unless
you have a MetaTransformer ... applies whatever Transformers are
needed, that are registered to handle that namespace.
FYI: http://marc.theaimsgroup.com/?l=xml-cocoon-dev&m=101975229317197&w=2
Just nobody cared enough (me including) to implement it...
Vadim
In fact thats analogous to your pipeline fragments you want to call
from inside another pipeline, he! he! ;) a pipeline with no generator
and no serializer is a meta-transformer! (head down ;)
regards Jeremy
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