[fpc-devel] Re: new 27 page document describing Unicode support in D2009

Luiz Americo Pereira Camara pascalive at bol.com.br
Sat Nov 22 00:10:05 CET 2008

Sergei Gorelkin escreveu:
> Well, with exclusion of the "class helper for TStrings" (notable is 
> that they call it a hack themselves :) the design looks rather clean. 
> Since each string stores its element size, both ansi and unicode 
> strings are probably handled with common set of procedures, avoiding 
> RTL size bloat.

I also like the design since is flexible enough to allow the programmer 
work with different encodings.

> And they explain why there is no compiler option for switching back 
> and forth.
> Unfortunately, the article does not provide information about how 
> things like Pos() and Copy() work with utf8 strings. 
Here ( http://www.jacobthurman.com/?p=30  see comments) there's an 
explanation about those functions. Basically they will handle Code Units 
and not Code Points (characters)

> However, one may understand words "utf-8 support is more limited than 
> utf-16" as they continue to work with elements (bytes).
Yes. This is a good decision also IMO.


More information about the fpc-devel mailing list