[Cuis] About adding a Unicode handling porting layer

Casey Ransberger casey.obrien.r at gmail.com
Mon Feb 4 07:00:25 CST 2013


This is cool. Good start. Someday I want to be able to have a class called 無
:D

On Tue, Jan 22, 2013 at 8:23 AM, H. Hirzel <hannes.hirzel at gmail.com> wrote:

> The attached change set prevents Cuis from silently ignoring
> characters which are not in ISO 8859-15.
>
> For example if you paste a text snippet which contains the letter
> Omega (Ω) into a TextWindow it is displayed as Ω
>
> The part which does it the other way round is not included.
>
> --Hannes
>
>
>
> On 1/22/13, H. Hirzel <hannes.hirzel at gmail.com> wrote:
> > Hello Germán
> >
> > On 1/22/13, Germán Arduino <garduino at gmail.com> wrote:
> >> Nice if you will develop the needed code!
> >>
> >> The first need I have is on the methods of Swazoo that I commented in
> >> other mail, but I think that is more simple, only that I don't was
> >> aware of the already inplace support in Cuis itself.
> >
> > Yes, that took me as well some time to find out that Cuis indeed has
> > some limited Unicode support.
> >
> > Juan originally wrote that Cuis had dropped Unicode support.
> >
> > When I have a look at Cuis from outside I cannot say that it is the
> > case as Cuis consumes and writes UFT8 text files. Unicode text
> > snippets pasted through the clipboard into a Cuis TextEditor also pass
> > in well. The only limitation is that internally it only handles the
> > code points which are in https://de.wikipedia.org/wiki/ISO_8859-15.
> > And if I work in a Cuis workspace  with
> >
> >     nn asCharacter
> >
> > where nn is an Integer
> >
> >    nn must belong to ISO_8859-15
> >
> >
> > ISO_8859-15 is good for most European languages. If we would have an
> > Add-On to cater for occasional other characters of Unicode which do
> > not fall into the set covered by ISO_8859-15 that would make UTF8 text
> > file processing with Cuis safe.
> >
> >
> > --Hannes
> >
> >
> >>
> >> Germàn.
> >>
> >> 2013/1/22 H. Hirzel <hannes.hirzel at gmail.com>:
> >>> Hello Germán and Juan
> >>>
> >>> As we have seen we can say that Cuis handles Unicode to a certain
> >>> limited extent.
> >>>
> >>> I will post summary a writeup of what I know about it later. I am
> >>> interested in working/contributing to an add-on which loads Unicode
> >>> support into Cuis.
> >>>
> >>> For general work I need
> >>>
> >>> a)
> >>> an add-on so that Cuis can process arbitrary UFT8 text files. However
> >>> the majority of the content characters will fall into the
> >>>   https://de.wikipedia.org/wiki/ISO_8859-15
> >>> range. So it is fine if the other characters are rendered as \unnn or
> >>> &#nnn;
> >>>
> >>> b)
> >>> Another more rewarding put maybe more difficult way  would be to
> >>> replace the String class with a class which handles 16bit characters
> >>> instead of 8 bit characters. In terms of structure all would remain
> >>> the same. Characters would be 16bit like in Java.
> >>>
> >>>
> >>> This will come later. At the moment I am working on ContentPack
> >>> version 2 which will run on Cuis, Squeak and Pharo.
> >>>
> >>> Kind regards
> >>>
> >>> --Hannes
> >>>
> >>>> 2013/1/22 Germán Arduino <garduino at gmail.com>:
> >>>>> Thanks for the comments Hannes / Juan:
> >>>>>
> >>>>> I will look into it when have time, or if you prefer Hannes and want
> >>>>> to help I will integrate it when finish with Aida.
> >>>>>
> >>>>> Germán.
> >>>>>
> >>>>>
> >>>>>
> >>>>> 2013/1/21 Juan Vuletich <juan at jvuletich.org>:
> >>>>>> Hi Germán,
> >>>>>>
> >>>>>> Cool! Just a remark: Cuis does include conversion to/from utf-8 for
> >>>>>> the
> >>>>>> charset it supports (ISO-8859-15, covering nearly all the latin
> >>>>>> alphabets).
> >>>>>>
> >>>>>> Cheers,
> >>>>>> Juan Vuletich
> >>>>>>
> >>>>>> Germán Arduino wrote:
> >>>>>>>
> >>>>>>> Hi:
> >>>>>>>
> >>>>>>> The first versions of Sport and Swazoo working in Cuis 4.1 with all
> >>>>>>> tests green are ready to install.
> >>>>>>>
> >>>>>>> The changes I did in Swazoo are:
> >>>>>>>
> >>>>>>>
> >>>>>>> - Avoid Unicode support that don't exist in Cuis
> >>>>>>>
> >>> ......
> >>>
> >>> _______________________________________________
> >>> Cuis mailing list
> >>> Cuis at jvuletich.org
> >>> http://jvuletich.org/mailman/listinfo/cuis_jvuletich.org
> >>
> >>
> >>
> >> --
> >> Sincerely,
> >> Germán Arduino
> >> about.me/garduino
> >>
> >> _______________________________________________
> >> Cuis mailing list
> >> Cuis at jvuletich.org
> >> http://jvuletich.org/mailman/listinfo/cuis_jvuletich.org
> >>
> >
>
> _______________________________________________
> Cuis mailing list
> Cuis at jvuletich.org
> http://jvuletich.org/mailman/listinfo/cuis_jvuletich.org
>
>


-- 
Casey Ransberger
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://jvuletich.org/pipermail/cuis_jvuletich.org/attachments/20130204/c6a6fd51/attachment-0002.html>


More information about the Cuis mailing list