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Re: GUI Notes

From: Karl Fogel <kfogel_at_collab.net>
Date: 2001-07-05 17:36:43 CEST

Then it sounds like wrapping the command-line client will not result
in a successful GUI, in which case the native libs should be used.


Jacek Prucia <jacek.prucia@7bulls.com> writes:
> > IMHO, do whatever works and will get it up and running fastest. The
> > important part of the GUI is the interface, so for rapid-prototyping
> > purposes one may prefer to implement it over the command-line client
> > first (if that seems to be easier) and switch to native library calls
> > later. Or not.
> Negative on that. Let me explain why.
> The biggest advantage of Subversion is (in my *very* personal opinion) well
> designed architecture. CVS on the other hand has all the client and server
> code in one binary without *any* client library. This has left people that
> do write GUI's for CVS with only one solution: wrap GUI over command line.
> This is a *VERY BAD THING* which causes a lot of GUI software to fail if
> command line is localized. Mostly because GUI software is expecting certain
> output from command line and tries to parse it to see what actually
> happened (did that command succeded or failed). If command line is
> localized (it has coresponding command_name.mo file) GUI is sure to have
> troubles understanding what command line client (for example: speaking
> croatian) just sent to standard output.
> I know this seem's a little bit strange for all you people there in states,
> but such GUI behaviour caused some software to be ignored in europe. For
> example some time ago gftp client was parsing 'ls -l' output to get idea of
> what files are in given directory, instead of some dirwalk() function. Sure
> it was faster to write, but client was expecting to get "total
> some_integer" as first line of output. Since my $LANG was "pl_PL" (polish
> enviroment) GUI just simply failed with "razem some_integer: parse
> error!". If you think covering all $LANG .mo files is solution, then
> Subversion GUI has to do *GREAT DEAL* of parsing which isn't actually that
> easy nor elegant.
> If Subversion GUI will use native libs - everything will be fine. You just
> test some_function() return value, and then output text. If gettext package
> is used, that text will be translated if there's coresponding .mo file. So
> even if wraping over command line seems to be a lot faster/easier to do,
> please *DO NOT* consider it final.
> --
> Jacek Prucia
> 7bulls.com S.A.

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Received on Sat Oct 21 14:36:33 2006

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