X-Authentication-Warning: delorie.com: mail set sender to geda-user-bounces using -f
X-Recipient: geda-user AT delorie DOT com
X-TCPREMOTEIP: 207.224.51.38
X-Authenticated-UID: jpd AT noqsi DOT com
Content-Type: multipart/signed; boundary="Apple-Mail=_031E16E9-91AB-471D-896F-CEC3B80B7ADB"; protocol="application/pgp-signature"; micalg=pgp-sha512
Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\))
Subject: Re: [geda-user] A fileformat library
X-Pgp-Agent: GPGMail 2.5.2
From: John Doty <jpd AT noqsi DOT com>
In-Reply-To: <alpine.DEB.2.11.1601030040320.2176@newt>
Date: Sat, 2 Jan 2016 17:26:29 -0700
Message-Id: <D9825C8C-B6FD-4C7F-A8D5-B8AF06253B72@noqsi.com>
References: <1512221837 DOT AA25291 AT ivan DOT Harhan DOT ORG> <CAJXU7q_mXmipJ1fLvLpuLvnYjktV2SHoA+bG=L5+E-EfdygeOA AT mail DOT gmail DOT com> <s6n37uumanm DOT fsf AT blaulicht DOT dmz DOT brux> <CAJXU7q_qxdvJaejF-VcY=u7VHZ-zrfrc+Z7-qSwfFyPdy-umxw AT mail DOT gmail DOT com> <B02363CD-469D-493A-AC15-1D5DC7836982 AT noqsi DOT com> <20151222232230 DOT 12633 DOT qmail AT stuge DOT se> <0F6F1D0F-4F07-48EA-90FE-836EAD4E2354 AT noqsi DOT com> <CAM2RGhTficnys3a4xs=UBFvk8aPwpzYWUADFLP_pUQ+R1iKs0g AT mail DOT gmail DOT com> <0FCF3774-F93C-4BFF-BB61-636F75DCCACB AT noqsi DOT com> <CAC4O8c_UAiFE-vGfoE2tXppHLhaa0dSYz9o_rkdCBo7_SRRtxw AT mail DOT gmail DOT com> <FFBE7623-E240-4798-96B0-2BECF56C8E29 AT noqsi DOT com> <CAC4O8c980g1gj15=5njstC_BT-WYDgKQx9BRycdFKA8OvgtiOg AT mail DOT gmail DOT com> <B54C0E1F-1986-4C79-9F70-7F1919B8B26D AT noqsi DOT com> <CAC4O8c9bxJP1eMG4yz3YwKkQJRmsDGmLQ0aMd5pJRyu0WpdCtQ AT mail DOT gmail DOT com> <C1CFCCEE-C64A-4E49-AA64-446C061656D6 AT noqsi DOT com> <CAC4O8c-zt8B=joDd+ws77D2jt6aZf3MWfR_dAvpzGcNuBrTURQ AT mail DOT gmail DOT com> <alpine DOT DEB DOT 2 DOT 11 DOT 1601030040320 DOT 2176 AT newt>
To: geda-user AT delorie DOT com
X-Mailer: Apple Mail (2.1878.6)
Reply-To: geda-user AT delorie DOT com
Errors-To: nobody AT delorie DOT com
X-Mailing-List: geda-user AT delorie DOT com
X-Unsubscribes-To: listserv AT delorie DOT com
Precedence: bulk


--Apple-Mail=_031E16E9-91AB-471D-896F-CEC3B80B7ADB
Content-Transfer-Encoding: quoted-printable
Content-Type: text/plain;
	charset=us-ascii


On Jan 2, 2016, at 5:04 PM, Roland Lutz <rlutz AT hedmen DOT org> wrote:

> On Thu, 24 Dec 2015, Peter Clifton (petercjclifton AT googlemail DOT com) =
[via
> geda-user AT delorie DOT com] wrote:
>> Getting the data model right is almost completely independent of the =
rest - even if some may work more elegantly than others.
>>=20
>> Getting the data model right is also the hard bit - unfortunately.
>=20
> I absolutely agree.  I've been working hard to get the in-memory data =
representation for Xorn right, and the main thing which keeps me from =
defining PCB object types right now is that I haven't found a convincing =
data model for these yet.
>=20
> On Sun, 27 Dec 2015, Britton Kerin (britton DOT kerin AT gmail DOT com) [via =
geda-user AT delorie DOT com] wrote:
>> Simple though it is, the effort of parsing it is not zero and is =
mostly a waste.  Modern language have built-in serialization, and with =
YAML you get a cross-language version of that plus a well-defined =
human-readable file format.  What's not to like?
>=20
> The part of parsing a .sym/.sch file which can potentially become =
easier with YAML is as simple as a sscanf(3).

Except that what we have is already easy to parse with sscanf() and =
other things. We have a lot of infrastructure based on what we have: =
symbol generators, refdes renumberers, ...

>  After extracting the value strings from the file, you still have =
parse and validate them no matter whether they have been stored in a =
.sym/.sch or YAML file.

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



--Apple-Mail=_031E16E9-91AB-471D-896F-CEC3B80B7ADB
Content-Transfer-Encoding: 7bit
Content-Disposition: attachment;
	filename=signature.asc
Content-Type: application/pgp-signature;
	name=signature.asc
Content-Description: Message signed with OpenPGP using GPGMail

-----BEGIN PGP SIGNATURE-----
Comment: GPGTools - https://gpgtools.org
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=Y8C3
-----END PGP SIGNATURE-----

--Apple-Mail=_031E16E9-91AB-471D-896F-CEC3B80B7ADB--