[DFDL-WG] DFDL: Calculated Values section rewrite

[Mike Beckerle]

My deliverable for the next draft (32) was to revise the calculated values
section.

 

I have rewritten it and the draft is attached. 

 

Of note: I have removed the troublesome "outputLengthCalc" property, as I no
longer see a critical need for it. One of the examples computes the number
of occurrences for a byte array, and I think that mechanism along with
alignment is sufficient to handle the troublesome cases I was considering
where size of padding had to be dynamically computed.

 

The section now consists of a short table of definition, followed by
illustrative examples, however, I think this is fine. The semantics of
inputValueCalc and outputValueCalc aren't really that complex. They can be
described in a paragraph. It is the motivation for them that is complicated,
so I think examples in the spec, while sometimes considered problematic, are
OK in this case.

 

 

 

 

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