Re: Parsing JSON data into a data structure without knowing variable's names -- RPG400-L

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On Sun, Aug 13, 2017 at 3:22 PM, Bradley Stone <bvstone@xxxxxxxxx> wrote:

As I said earlier I think code gen is the way to go - but the JSON structure can be dynamically determined just as XML-SAX allows you to do with XML.

Yes, that makes sense, but once you do the program "knows" the
structure and is built appropriately around thus said structure.

But which program are you talking about? I think Jon is talking about
at least two programs. One is a code generator, and it doesn't have
compile-time knowledge of the structure, but can determine it
dynamically. Then, it uses this knowledge to build code for a separate
program, which *does* know the structure at compile-time, by means of
this generated code.

This is also the approach espoused by Joe, and it's what I would do as
well, if I were doing it in RPG.

Maybe you are agreeing with all this, but I'm clarifying that one
program does NOT have foreknowledge of the structure, while the other
DOES. (Because it was imparted by the first program.)

John Y.

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