locale(1) would be my first choice but getonf(1) would be ok too On Mon, 22 Oct 2012 01:34:38 +0200 Roland Mainz wrote: > On Fri, Oct 19, 2012 at 3:38 PM, Cedric Blancher > <cedric.blanc...@googlemail.com> wrote: > > Request for enhancement: .sh.regex.available_character_class > > > > What do you think about adding a .sh.regex.available_character_class > > array variable which contains the list of available wctype character > > classes for the current locale? I know there is no API to get a list > > from the OS but libast could probe well-known names and put only those > > in the array for which wctype() turned a non-0 value.
> IMO it's better to let "getconf" handle that job because these are > locale properties which are not limited to the shell. > AFAIK we need two different "getconf" properties - one for regex > character classes and one for |wctrans()| transformations. > I did some digging... and it seems Solaris 11 supports the following > transformations (beyond POSIX ; these are locale-dependant): > -- snip -- > tojhira > tojisx0201 > tojisx0208 > tojkata > tolower > toupper > -- snip -- > ... Linux adds "totitle". > Character classes (beyond POSIX ; these are locale-dependant) > supported by Solaris 11 are: > -- snip -- > english > gb > ideogram > jalpha > jdigit > jgen > jgreek > jhankana > jhira > jisx0201r > jisx0208 > jisx0212 > jkanji > jkata > jparen > jpunct > jrussian > jsci > jspecial > junit > line > number > phonogram > special > wchar10 > wchar11 > wchar12 > wchar13 > wchar14 > wchar15 > wchar16 > wchar17 > wchar18 > wchar19 > wchar20 > wchar21 > wchar22 > wchar23 > wchar24 > wchar6 > wchar9 > -- snip -- > (note that some of these are errornously prefixed with "is" in some > older Solaris versions). FreeBSD/OSX and Illumos add "rune" as extra > class here. > Glenn: What do you think about the idea of using "getconf" for this ? > If you think this is OK then I can provide code who can test these > "well-known" names (erm... including the "is"-prefix for character > classes) for both (note that we cannot cache the values because they > depend on LANG/LC_CTYPE/LC_ALL and IMO it's cheaper to probe the > values each time "getconf" is called than trying to add more code for > caching and tracking of the values of LANG/LC_CTYPE/LC_ALL). > ---- > Bye, > Roland > -- > __ . . __ > (o.\ \/ /.o) roland.ma...@nrubsig.org > \__\/\/__/ MPEG specialist, C&&JAVA&&Sun&&Unix programmer > /O /==\ O\ TEL +49 641 3992797 > (;O/ \/ \O;) _______________________________________________ ast-developers mailing list ast-developers@research.att.com https://mailman.research.att.com/mailman/listinfo/ast-developers
