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Date:	Tue, 1 Sep 2015 10:23:39 -0400
Message-ID:	<CA+uY=MR7RO_3J6uRB34WTi5dbTB9fBAk2WebkJofZdA45VgcLw@mail.gmail.com>
Subject:	Re: [geda-user] SQL PCB file format
From:	"Russell Nelson (russnelson AT gmail DOT com) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
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Indeed. PCB need not use the same interchange file format as it uses for
its native storage. But I'm not quite seeing the difficulty with the
existing file format. It's plain text, so easy to edit. It's well-known,
with a bunch of tools that manipulate it. I would say to stick with it as
both interchange and native storage.

On Tue, Sep 1, 2015 at 5:58 AM, Peter Stuge (peter AT stuge DOT se) [via
geda-user AT delorie DOT com] <geda-user AT delorie DOT com> wrote:

> Kai-Martin Knaak wrote:
> > >> read through source code and find all functions or similar
> > >> accessing the PCB file and put them in libpcb library file which
> > >> would be become a storage library.
> > >
> > > Pretty much all code accesses the stored data directly, no such
> > > thing like accessors or setters/getters.
> >
> > Something whispers "refactor!" in my ear...
>
> Setters/getters are perhaps the worst side effect there is in source
> code. Never introduce artificial overhead without very careful
> consideration.
>
> Data structures in memory are intended to be accessed directly and
> ideally never copied.
>
> Permanent storage is another matter. Setters/getters for files are
> all the more appropriate - and that's exactly what libpcb and edacore
> both would offer. I'm all for moving pcb file code into a libpcb.
>
>
> //Peter
>

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<div dir=3D"ltr">Indeed. PCB need not use the same interchange file format =
as it uses for its native storage. But I&#39;m not quite seeing the difficu=
lty with the existing file format. It&#39;s plain text, so easy to edit. It=
&#39;s well-known, with a bunch of tools that manipulate it. I would say to=
 stick with it as both interchange and native storage.</div><div class=3D"g=
mail_extra"><br><div class=3D"gmail_quote">On Tue, Sep 1, 2015 at 5:58 AM, =
Peter Stuge (<a href=3D"mailto:peter AT stuge DOT se">peter AT stuge DOT se</a>) [via <a =
href=3D"mailto:geda-user AT delorie DOT com">geda-user AT delorie DOT com</a>] <span dir=
=3D"ltr">&lt;<a href=3D"mailto:geda-user AT delorie DOT com" target=3D"_blank">ged=
a-user AT delorie DOT com</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_quot=
e" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">=
Kai-Martin Knaak wrote:<br>
&gt; &gt;&gt; read through source code and find all functions or similar<br=
>
&gt; &gt;&gt; accessing the PCB file and put them in libpcb library file wh=
ich<br>
&gt; &gt;&gt; would be become a storage library.<br>
&gt; &gt;<br>
&gt; &gt; Pretty much all code accesses the stored data directly, no such<b=
r>
&gt; &gt; thing like accessors or setters/getters.<br>
&gt;<br>
&gt; Something whispers &quot;refactor!&quot; in my ear...<br>
<br>
Setters/getters are perhaps the worst side effect there is in source<br>
code. Never introduce artificial overhead without very careful<br>
consideration.<br>
<br>
Data structures in memory are intended to be accessed directly and<br>
ideally never copied.<br>
<br>
Permanent storage is another matter. Setters/getters for files are<br>
all the more appropriate - and that&#39;s exactly what libpcb and edacore<b=
r>
both would offer. I&#39;m all for moving pcb file code into a libpcb.<br>
<span class=3D"HOEnZb"><font color=3D"#888888"><br>
<br>
//Peter<br>
</font></span></blockquote></div><br></div>

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