[fpc-devel] Unicode in the RTL (my ideas)

Mattias Gaertner nc-gaertnma at netcologne.de
Tue Aug 21 16:53:09 CEST 2012

On Tue, 21 Aug 2012 19:48:12 +0500
Ivanko B <ivankob4mse2 at gmail.com> wrote:

> If you replied to this mail then you lost me.
>  I don't understand what problem of UTF-8 for the RTL you want to point
>  out. Can you explain again?
> ==============
> Substringing etc manipulation only via normalizing to fixed-char type
> which may be inefficient (especially because it performs for each
> input argument & also for output - overhead multiplied by 3).
> The ideal might be optimized (without pre/post-normalization) string
> RTL with same set of procedures & functions & string related classes
> for UTF-8, USC-2 & possibly UCS-4 or UTF-16 with working assignments
> between them.

Do you mean replacing a character in an UCS-2/UCS-4 string can be
implemented more efficiently than in an UTF-8/UTF-16 string?


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