Re: [Cppcms-users] date_time and as::time_zone question

[Heiko W. <he...@we...>]

Hi Pavel, nice. That works fine. Thanks.

Am 18.03.2011 um 19:35 schrieb Pavel Kropitz:

> hi,
> 
> it's locale problem. set std::locale::global() for newly created streams and use imbue() to affect std::cout.
> 
> int main() {
>    std::locale::global( booster::locale::generator().generate( "" ) );
> 
>    std::string tz = "Canada/Eastern";
>    booster::locale::date_time dt;
> 
>    std::istringstream is("1999-04-22 12:13:14");
>    is >> booster::locale::as::ftime( "%Y-%m-%d %H:%M:%S" ) >> dt;
> 
>    std::cout.imbue( std::locale() );
> 
>    std::cout << booster::locale::as::time_zone(tz) << booster::locale::as::ftime( "%Y-%m-%d %H:%M:%S" ) << dt << std::endl;
> }
> 
> pavel.
> 
> 
> On Friday 18 March 2011, Heiko Weber wrote:
> > Hi Artyom,
> > 
> > first, thanks for the work, I am really impressed about what I've
> > discovered so far !
> > 
> > I am just trying to figure out what parts of "boost" are still accessable
> > with booster ... so, maybe the following is just not working by intention?
> > I hope you can give me some enlightment ;)
> > 
> > This one results in an exception:
> > 
> > terminate called after throwing an instance of 'std::bad_cast'
> >  what():  std::bad_cast
> > Abort trap
> > 
> > ---
> > 
> > #include <booster/locale/date_time.h>
> > #include <booster/locale/formatting.h>
> > #include <booster/locale/generator.h>
> > #include <booster/locale/localization_backend.h>
> > #include <iostream>
> > #include <sstream>
> > 
> > int main() {
> > 
> >    booster::locale::localization_backend_manager my =
> > booster::locale::localization_backend_manager::global(); // Get global
> > backend
> > 
> >    my.select("icu");
> > 
> >    std::string tz = "Canada/Eastern";
> >    booster::locale::date_time dt;
> > 
> >    std::istringstream is("1999-04-22 12:13:14");
> >    is >> booster::locale::as::ftime( "%Y-%m-%d %H:%M:%S" ) >> dt;
> >    std::cout << booster::locale::as::time_zone(tz) <<
> > booster::locale::as::ftime( "%Y-%m-%d %H:%M:%S" ) << dt << std::endl; }
> > 
> > I also also tried it without the backend select, but same result. The throw
> > happens at the constructor of dt, shouldn't it work without setting up a
> > calendar/locale first ?
> > 
> > Thanks in advance.
> > Heiko
> 
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