[fpc-pascal] UTF-8 versions of Copy() and Length()

[Daniël Mantione]

Op Sat, 19 May 2007, schreef Graeme Geldenhuys:

> On 5/19/07, Daniël Mantione <daniel.mantione at freepascal.org> wrote:
> > > Does FPC have UTF-8 versions of the Copy() and Length() functions?
> > 
> > They don't exist. FPC has been designed to either use the system encoding
> > (which can be utf8). In this case, the string routines from sysutils do
> > what you want. The other option is to use widestrings;
> > length(utf8decode(s)) will return the length of an utf-8 string.
>
> Sorry, I'm very new to Unicode support.  Wouldn't it be useful to have
> UTF-8 and UTF-16 (and all the other encodings) functions in FPC?  For
> example the Lazarus LCL (LCLProc unit) has loads of such functions.

I think a utf8 unit would be usefull.

> The Length function is easy to get around, but the Copy, Pos ,etc
> functions are not.

Why?

Daniël