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Subject:	Re: [geda-user] A fileformat library
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From:	John Doty <jpd AT noqsi DOT com>
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Date:	Tue, 22 Dec 2015 16:47:28 -0700
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On Dec 22, 2015, at 4:22 PM, Peter Stuge (peter AT stuge DOT se) [via =
geda-user AT delorie DOT com] <geda-user AT delorie DOT com> wrote:

> John Doty wrote:
>>> Bonus points for PCB using the core-library too, so it can "give up"
>>> its one preferred on-disk netlist format, and read any useful ones =
we
>>> care to implement a reader for in the core EDA library.
>>=20
>> I=92m quite skeptical of a core library. An agreed-upon external data
>> representation is handy, but tool writers will want their own
>> internal representations in their own languages for their own =
problems.
>=20
> The purpose of a core library is to take care of the lower-level
> things required to deal with the external data representation.

I=92d prefer to make the external representation transparent.

>=20
> It is key for a core library to make all available data easily usable
> for tool writers, not to enforce a particular internal representation.

But of course, it will use a particular representation. A core library =
for C++ isn=92t going to be useful to an AWK programmer.

One thing that=92s nice about our .sch format is that it is easy to read =
and write from pretty much any language. There=92s no need for any extra =
layer.


>=20
> I expect different tools to use the same core library to do different
> things and to use the data provided by the core library in different
> ways.
>=20
>=20
> //Peter

John Doty              Noqsi Aerospace, Ltd.
http://www.noqsi.com/
jpd AT noqsi DOT com



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