ANN: CodeEditor v0.1

[Bjoern Giesler]

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Hi,

I've hacked together a first attempt at a sourcecode editor. It's far 
from complete, but whoever wants to take a look (and submit bugfixes :-)) 
is very welcome. Please be gentle, though -- this is my first stab at a 
larger project in GNUstep.

You can download it at 
    http://giesler.myip.org/bjoern/GNUstep
A screenshot is there as well.

The beast is centered around a subclass of NSTextView that is 
encapsulated in a loadable bundle and does all the actual work; the 
application proper is just a small wrapper that loads the bundle and does 
file handling. (Philippe, this is according to what we talked about -- we 
can integrate it as a bundle into PC.app now.)

Current features include:
      o Language independence (regex-based 'rulesets' determine 
        the semantic meaning of code fragments, and NSUserDefaults
        determine what those fragments end up looking like)
      o Fontification; either automatic or upon pressing of Alt-f
      o Automatical indentation (rather untested)
      o Marking and navigating in blocks (Alt-Shift-{Left,Right}Arrow)
Current bugs include:
      o It's too slow (~8secs on my box to fontify NSTextView.m (4000
        LOC)).
      o It's largely untested. Take it apart, folks! :-)

On the slowness issue: I've noticed that my fontification code takes 
about 1/3rd of the time, and NSTextView/NSLayoutManager take 2/3rd. Is 
there any way to speed this up? I am already encapsulating everything in 
[-beginEditing]/[-endEditing] blocks.

Regards,
                --Björn
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