cpstrnew branch (was Re: [fpc-devel] Freepascal 2.4.0rc1 released)

Martin Schreiber fpmse at bluewin.ch
Tue Nov 10 17:52:36 CET 2009


On Tuesday 10 November 2009 12:45:26 Michael Schnell wrote:
> Martin Schreiber wrote:
> > Performance and simplicity. MSEgui does not need the overhead of
> > multi-encoding/multi-charsize. At the moment msestring=UnicodeString for
> > FPC 2.4 which is perfect. I fear FPC will drop this simple solution where
> > it was ahead of Delphi.
>
> Hmmm. I suppose with Linux (using utf-8 for the GUI interface to the
> user programs), having the user program always use Widestring internally
> and convert any GUI input and output string will feature an enormous
> overhead.
>
Xlib and Xft have an utf-16 interface. Windows has an utf-16 interface. MSEgui 
is faster than Lazarus with Gtk2 and even faster as Lazarus with Gtk1 on 
Linux IIRC.

> I feel that just handling the multi-encoding String-management record
> (with "encoding"6 and "character-size", which, in the case of GUI
> generated and "meant for GUI" Strings, always is equal), would not
> impose much overhead over using using the plain old String management
> with just "reference-counter" and "contents-pointer".
>
Did you look into the code in cpstrnew branch? I did.

Martin



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