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

Florian Klaempfl florian at freepascal.org
Sun Dec 2 20:22:34 CET 2007


Marc Weustink schrieb:
> Florian Klaempfl wrote:
>> Marc Weustink schrieb:
>>> Florian Klaempfl wrote:
>>>> Felipe Monteiro de Carvalho schrieb:
>>>>> On Dec 2, 2007 1:04 AM, Marc Weustink <marc at dommelstein.net> wrote:
>>>>>>  From the logs I understand that there is a "real" managed utf8string
>>>>>> type (other than utf8string = type string).
>>>>> No, currently utf8string = type string is about all support
>>>>> implemented for such type.
>>>>>
>>>> Indeed, patches for a utf8string unit are welcome ;)
>>> Waht kind of patches are needed ? 
>>
>> No idea :) Lazarus complained that things are missing.
>>
>>> I just happen to notice that someone
>>> is adding unicodestring support ;)
>>> would this be a replacemnt for the utf8strng ?.
>>
>> No. It will be an utf-16 string. On non windows unicodestring=widestring
> 
> Aahh... the wide string as the widestring should have been on windows.
> I got confused, since UTF8 is unicode too :)
> 
> 
> Anyway, what I think for Lazarus is need is:
> A) a transparent way of assigning from/to other stringtypes,
> (shortstring/widestring/ansistring), where under the hood the contents
> is converted.
> B) a transparent way of passing as param of other stringtypes,
> (shortstring/widestring/ansistring), where under the hood the contents
> is converted.
> C) a way of specifying the default type of the string type, to allow
> easier converiosn of existing codebases
> 
> ad A: From what I have seen with type UTF8String = type ansistring it is
> not possible to do with operator overloading since both types utf8string
> and ansistring are considered the same

This can be enabled.

> 
> ad B: there is no operator for this, so it acnt be overloaded
> 
> So imo, a real type is needed for this, but as I understood that would
> blowup the stringmanager.
> 
> 
> 
> Marc
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