[DFDL-WG] comments and concerns re choice-discriminator-example

[Mike Beckerle]

I added comments to your attachment document.

 

We're definitely aware of the similarity you suggest here. Our current
position is an evolution from these earlier ideas intended to simplify and
keep us out of trouble, handle output as well as input, and stay away from
extensibility issues we don't understand fully.

 

.mike

 

  _____  

From: dfdl-wg-bounces at ogf.org [mailto:dfdl-wg-bounces at ogf.org] On Behalf Of
RPost
Sent: Tuesday, June 10, 2008 8:59 PM
To: dfdl-wg at ogf.org
Subject: [DFDL-WG] comments and concerns re choice-discriminator-example

 

I have some questions and possible concerns re the sample xml file Mike
posted.

 

The attached document 'SmartlengthStringComments1 discusses them.

 

I attached the other doc that I found from 2003 written by Martin Westhead.

 

The current sample and an XSLT sample in the old doc bear an uncanny
resemblance and thought it might be worthwhile to look at the two
side-by-side since they are for the exact same use case.

 

It raises the question of whether DFDL syntax could allow actual XSLT
snippets to be included in the annotation section to use the power of XSLT
to do these things. XSLT also supports extensions that could handle complex
or unusual corner cases.

 

A parser should be able to (but I haven't confirmed it) create a mini XSL
stylesheet from the snippet and use a transform to generate the result value
that is needed. If so this would allow an existing standard language to be
used.

 

See my item #5 in my doc since there I ask the question of how I might
contribute without being disruptive. It is not my intention to disrupt your
efforts but the resemblance between these two approaches is so similar I had
to bring it to your attention.

 

Rick

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