inline std::basic_istream<CharT, Traits>& operator>>(std::basic_istream<CharT, Traits>& is, time_duration& td) { boost::io::ios_flags_saver iflags(is); typename std::basic_istream<CharT, Traits>::sentry strm_sentry(is, false); if (strm_sentry) { try { typedef typename date_time::time_input_facet<ptime, CharT> time_input_facet; std::istreambuf_iterator<CharT,Traits> sit(is), str_end; if(std::has_facet<time_input_facet>(is.getloc())) { std::use_facet<time_input_facet>(is.getloc()).get(sit, str_end, is, td); } else { time_input_facet* f = new time_input_facet(); std::locale l = std::locale(is.getloc(), f); is.imbue(l); f->get(sit, str_end, is, td); } } catch(...) { std::ios_base::iostate exception_mask = is.exceptions(); if(std::ios_base::failbit & exception_mask) { try { is.setstate(std::ios_base::failbit); } catch(std::ios_base::failure&) {} throw; // rethrow original exception } else { is.setstate(std::ios_base::failbit); } } } return is; }
inline std::basic_istream<CharT, Traits>& operator>>(std::basic_istream<CharT, Traits>& is, local_date_time& ldt) { boost::io::ios_flags_saver iflags(is); typename std::basic_istream<CharT, Traits>::sentry strm_sentry(is, false); if (strm_sentry) { try { typedef typename local_date_time::utc_time_type utc_time_type; typedef typename date_time::time_input_facet<utc_time_type, CharT> time_input_facet; // intermediate objects std::basic_string<CharT> tz_str; utc_time_type pt(not_a_date_time); std::istreambuf_iterator<CharT,Traits> sit(is), str_end; if(std::has_facet<time_input_facet>(is.getloc())) { std::use_facet<time_input_facet>(is.getloc()).get_local_time(sit, str_end, is, pt, tz_str); } else { time_input_facet* f = new time_input_facet(); std::locale l = std::locale(is.getloc(), f); is.imbue(l); f->get_local_time(sit, str_end, is, pt, tz_str); } if(tz_str.empty()) { time_zone_ptr null_ptr; // a null time_zone_ptr creates a local_date_time that is UTC ldt = local_date_time(pt, null_ptr); } else { time_zone_ptr tz_ptr(new posix_time_zone(date_time::convert_string_type<CharT,char>(tz_str))); // the "date & time" constructor expects the time label to *not* be utc. // a posix_tz_string also expects the time label to *not* be utc. ldt = local_date_time(pt.date(), pt.time_of_day(), tz_ptr, local_date_time::EXCEPTION_ON_ERROR); } } catch(...) { // mask tells us what exceptions are turned on std::ios_base::iostate exception_mask = is.exceptions(); // if the user wants exceptions on failbit, we'll rethrow our // date_time exception & set the failbit if(std::ios_base::failbit & exception_mask) { try { is.setstate(std::ios_base::failbit); } catch(std::ios_base::failure&) {} // ignore this one throw; // rethrow original exception } else { // if the user want's to fail quietly, we simply set the failbit is.setstate(std::ios_base::failbit); } } } return is; }
inline std::basic_istream<CharT, Traits>& operator>>(std::basic_istream<CharT, Traits>& is, ptime& pt) { boost::io::ios_flags_saver iflags(is); typename std::basic_istream<CharT, Traits>::sentry strm_sentry(is, false); if (strm_sentry) { try { typedef typename date_time::time_input_facet<ptime, CharT> time_input_facet; std::istreambuf_iterator<CharT,Traits> sit(is), str_end; if(std::has_facet<time_input_facet>(is.getloc())) { std::use_facet<time_input_facet>(is.getloc()).get(sit, str_end, is, pt); } else { time_input_facet* f = new time_input_facet(); std::locale l = std::locale(is.getloc(), f); is.imbue(l); f->get(sit, str_end, is, pt); } } catch(...) { // mask tells us what exceptions are turned on std::ios_base::iostate exception_mask = is.exceptions(); // if the user wants exceptions on failbit, we'll rethrow our // date_time exception & set the failbit if(std::ios_base::failbit & exception_mask) { try { is.setstate(std::ios_base::failbit); } catch(std::ios_base::failure&) {} // ignore this one throw; // rethrow original exception } else { // if the user want's to fail quietly, we simply set the failbit is.setstate(std::ios_base::failbit); } } } return is; }