Re: [boost] [datetime] IANA Time Zone Database

Subject: Re: [boost] [datetime] IANA Time Zone Database
From: Joshua Boyce (raptorfactor_at_[hidden])
Date: 2012-11-08 22:24:50

On Fri, Nov 9, 2012 at 4:54 AM, Jeff Garland <azswdude_at_[hidden]> wrote:

> On Thu, Nov 8, 2012 at 10:36 AM, Maxim Yegorushkin <
> maxim.yegorushkin_at_[hidden]> wrote:
>
> >
> > Oh, thanks Artyom.
> >
> > That is quite a surprising place to find this functionality. Not sure why
> > it is not in datetime library.
> >
> > Anyway, I managed to get a small test working:
> >
> >     #include <iostream>
> >     #include <sstream>
> >     #include <boost/locale.hpp>
> >
> >     int main() {
> >         boost::locale::generator gen;
> >         std::locale::global(gen("en_**GB.UTF-8"));
> >         std::cout.imbue(std::locale())**;
> >
> >         boost::locale::date_time d;
> >         std::istringstream ss("8 Nov 2012 17:00:00");
> >         ss >> boost::locale::as::time_zone("**America/New_York") >> d;
> >
> >         std::cout << boost::locale::as::time_zone("**UTC") << d << '\n';
> >         // prints 8 Nov 2012 22:00:00
> >     }
> >
> > Thanks a lot!
> >
> >
> > -- Maxim
> >
> >
> Yes, surprising -- obviously I've been asleep b/c I was completely unaware
> of this work...seems like we now have a lot of library duplication :-(
>
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The Boost.Locale docs explain why it it has its own date and time
functionality rather than using or building on for example Boost.DateTime:
http://www.boost.org/doc/libs/1_52_0/libs/locale/doc/html/dates_times_timezones.html