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Date: Fri, 29 Jan 2010 22:11:25 +0100
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: Japanese/Chinese language question
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On Jan 30 05:00, Kazuhiro Fujieda wrote:
> >>> On Thu, 21 Jan 2010 14:40:55 +0100
> >>> Corinna Vinschen said:
> 
> > When comparing strings linguistically (strcoll/wcscoll),
> >
> > - are Hiragana and Katakana forms of the same character to be
> >   treated as equal or as different?
> 
> They should be treated as different.
> 
> > - are half-width and full-width forms of the same CJK character
> >   treated as equal or as different?
> 
> Different, too.
> 
> It is difficult to implement the collation algorithm from
> scratch. I recommend to use LCMapString to generate sort keys.

Yes, that's how I implemented it.  strcoll/wcscoll are using
CompareStringW, strxfrm/wcsxfrm are using LCMapStringW.

I was just asking because I wasn't sure if I had to use the
NORM_IGNOREKANATYPE and NORM_IGNOREWIDTH flags or not.  But another look
into the definition of strcoll/strxfrm answered the question eventually.  


Thanks,
Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader          cygwin AT cygwin DOT com
Red Hat

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