[fpc-devel] Controlling the output of the widestring manager

Florian Klaempfl florian at freepascal.org
Sun Dec 2 11:22:19 CET 2007

Marco van de Voort schrieb:
>> Op Fri, 30 Nov 2007, schreef Felipe Monteiro de Carvalho:
>>> What do other FPC developers think of this?
>>> Should it be the responsability of the fpc user to write it's own
>>> routines to override the output of the widestring manager or should
>>> FPC provide this mechanism?
>> The default widestring manager does not fullfill in all conversion needs 
>> and should be expanded to give users more control over conversions.
>> However, when expanding the functionality it should be done properly, not 
>> in a way that it will have to be changed over and over again. Not all 
>> functionality needs to work at once, if you just want to support UTF-8 in 
>> the beginning this is okay.
>> The API, however, should be solid and future proof, as it needs to be 
>> backward compatible.
> Since we are talking about expanding the widestringmanager, I'm considering
> adding mblen. This because I encountered people using unit libc for it a few
> times. It is also a needed primitive to safely walk a string with any 
> encoding style that has non fixed codepoint size.

Feel free to do so.

> FreeBSD and Linux support it, so OS X still needs to be checked. Windows is
> probably no problem, since the use probably originates in Delphi
> (sysutils(?).strnext).
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