Message: 8 Date: Tue, 26 Aug 2008 12:49:36 +0200 From: Martin Lutken <mlu@danware.dk> Subject: Re: [boost] UTF-8 conversion etc. upper,lower case converting To: boost@lists.boost.org Message-ID: <200808261249.36750.mlu@danware.dk> Content-Type: text/plain; charset="iso-8859-1"

...

Graham wrote: As requested, I have posted a Unicode character support library in

On Monday 07 April 2008 19:20:56 Sebastian Redl wrote: the

...

boost vault as Unicode_lib.zip.

Please feel free to use this under the boost license.

It would be great if somebody had the time to develop the existing character support to ad the string wrappers that we had intended to - but ran out of time doing.

It should be well documented, but if you want any questions answered, please feel free to ask and I'll try and help!

I have been looking at your work. Would it be usefull for converting upper,lower case for non ASCII charaters ?

I have been trying to use those functions in : <boost/algorithm/string.hpp> But they don't seem to work for my utf-8 strings. I tried with different locales, but that doesn help. Seems I need a locale that defines all the facets for converting between UTF-8 upper- and lowercase characters. I was thinking, perhaps you library could be used for that somehow ?

-Regards Martin L

Martin, The standard upper to lower case conversion makes huge assumptions and is very Western character set targeted. For example ... many people and many simple functions assume that converting a character from upper to lower case will give you the same size of character [or same length of string] which is simply not true. The Unicode library I posted has full support for Unicode upper to lower and lower to upper case conversion and these features are easy to use. Yours, Graham