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#ifndef DATE_TIME_GREGORIAN_IO_HPP__ #define DATE_TIME_GREGORIAN_IO_HPP__ /* Copyright (c) 2004-2005 CrystalClear Software, Inc. * Use, modification and distribution is subject to the * Boost Software License, Version 1.0. (See accompanying * file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt) * Author: Jeff Garland, Bart Garst * $Date$ */ #include #include #include // i/ostreambuf_iterator #include #include #include #include #include #include #include #include // to_tm will be needed in the facets namespace boost { namespace gregorian { typedef boost::date_time::period_formatter wperiod_formatter; typedef boost::date_time::period_formatter period_formatter; typedef boost::date_time::date_facet wdate_facet; typedef boost::date_time::date_facet date_facet; typedef boost::date_time::period_parser period_parser; typedef boost::date_time::period_parser wperiod_parser; typedef boost::date_time::special_values_formatter special_values_formatter; typedef boost::date_time::special_values_formatter wspecial_values_formatter; typedef boost::date_time::special_values_parser special_values_parser; typedef boost::date_time::special_values_parser wspecial_values_parser; typedef boost::date_time::date_input_facet date_input_facet; typedef boost::date_time::date_input_facet wdate_input_facet; template inline std::basic_ostream& operator<<(std::basic_ostream& os, const boost::gregorian::date& d) { boost::io::ios_flags_saver iflags(os); typedef boost::date_time::date_facet custom_date_facet; std::ostreambuf_iterator output_itr(os); if (std::has_facet(os.getloc())) std::use_facet(os.getloc()).put(output_itr, os, os.fill(), d); else { //instantiate a custom facet for dealing with dates since the user //has not put one in the stream so far. This is for efficiency //since we would always need to reconstruct for every date //if the locale did not already exist. Of course this will be overridden //if the user imbues at some later point. With the default settings //for the facet the resulting format will be the same as the //std::time_facet settings. custom_date_facet* f = new custom_date_facet(); std::locale l = std::locale(os.getloc(), f); os.imbue(l); f->put(output_itr, os, os.fill(), d); } return os; } //! input operator for date template inline std::basic_istream& operator>>(std::basic_istream& is, date& d) { boost::io::ios_flags_saver iflags(is); typename std::basic_istream::sentry strm_sentry(is, false); if (strm_sentry) { try { typedef typename date_time::date_input_facet date_input_facet_local; std::istreambuf_iterator sit(is), str_end; if(std::has_facet(is.getloc())) { std::use_facet(is.getloc()).get(sit, str_end, is, d); } else { date_input_facet_local* f = new date_input_facet_local(); std::locale l = std::locale(is.getloc(), f); is.imbue(l); f->get(sit, str_end, is, d); } } 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; } template inline std::basic_ostream& operator<<(std::basic_ostream& os, const boost::gregorian::date_duration& dd) { boost::io::ios_flags_saver iflags(os); typedef boost::date_time::date_facet custom_date_facet; std::ostreambuf_iterator output_itr(os); if (std::has_facet(os.getloc())) std::use_facet(os.getloc()).put(output_itr, os, os.fill(), dd); else { custom_date_facet* f = new custom_date_facet(); std::locale l = std::locale(os.getloc(), f); os.imbue(l); f->put(output_itr, os, os.fill(), dd); } return os; } //! input operator for date_duration template inline std::basic_istream& operator>>(std::basic_istream& is, date_duration& dd) { boost::io::ios_flags_saver iflags(is); typename std::basic_istream::sentry strm_sentry(is, false); if (strm_sentry) { try { typedef typename date_time::date_input_facet date_input_facet_local; std::istreambuf_iterator sit(is), str_end; if(std::has_facet(is.getloc())) { std::use_facet(is.getloc()).get(sit, str_end, is, dd); } else { date_input_facet_local* f = new date_input_facet_local(); std::locale l = std::locale(is.getloc(), f); is.imbue(l); f->get(sit, str_end, is, dd); } } 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; } template inline std::basic_ostream& operator<<(std::basic_ostream& os, const boost::gregorian::date_period& dp) { boost::io::ios_flags_saver iflags(os); typedef boost::date_time::date_facet custom_date_facet; std::ostreambuf_iterator output_itr(os); if (std::has_facet(os.getloc())) std::use_facet(os.getloc()).put(output_itr, os, os.fill(), dp); else { //instantiate a custom facet for dealing with date periods since the user //has not put one in the stream so far. This is for efficiency //since we would always need to reconstruct for every time period //if the local did not already exist. Of course this will be overridden //if the user imbues at some later point. With the default settings //for the facet the resulting format will be the same as the //std::time_facet settings. custom_date_facet* f = new custom_date_facet(); std::locale l = std::locale(os.getloc(), f); os.imbue(l); f->put(output_itr, os, os.fill(), dp); } return os; } //! input operator for date_period template inline std::basic_istream& operator>>(std::basic_istream& is, date_period& dp) { boost::io::ios_flags_saver iflags(is); typename std::basic_istream::sentry strm_sentry(is, false); if (strm_sentry) { try { typedef typename date_time::date_input_facet date_input_facet_local; std::istreambuf_iterator sit(is), str_end; if(std::has_facet(is.getloc())) { std::use_facet(is.getloc()).get(sit, str_end, is, dp); } else { date_input_facet_local* f = new date_input_facet_local(); std::locale l = std::locale(is.getloc(), f); is.imbue(l); f->get(sit, str_end, is, dp); } } 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; } /********** small gregorian types **********/ template inline std::basic_ostream& operator<<(std::basic_ostream& os, const boost::gregorian::greg_month& gm) { boost::io::ios_flags_saver iflags(os); typedef boost::date_time::date_facet custom_date_facet; std::ostreambuf_iterator output_itr(os); if (std::has_facet(os.getloc())) std::use_facet(os.getloc()).put(output_itr, os, os.fill(), gm); else { custom_date_facet* f = new custom_date_facet();//-> 10/1074199752/32 because year & day not initialized in put(...) //custom_date_facet* f = new custom_date_facet("%B"); std::locale l = std::locale(os.getloc(), f); os.imbue(l); f->put(output_itr, os, os.fill(), gm); } return os; } //! input operator for greg_month template inline std::basic_istream& operator>>(std::basic_istream& is, greg_month& m) { boost::io::ios_flags_saver iflags(is); typename std::basic_istream::sentry strm_sentry(is, false); if (strm_sentry) { try { typedef typename date_time::date_input_facet date_input_facet_local; std::istreambuf_iterator sit(is), str_end; if(std::has_facet(is.getloc())) { std::use_facet(is.getloc()).get(sit, str_end, is, m); } else { date_input_facet_local* f = new date_input_facet_local(); std::locale l = std::locale(is.getloc(), f); is.imbue(l); f->get(sit, str_end, is, m); } } 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; } template inline std::basic_ostream& operator<<(std::basic_ostream& os, const boost::gregorian::greg_weekday& gw) { boost::io::ios_flags_saver iflags(os); typedef boost::date_time::date_facet custom_date_facet; std::ostreambuf_iterator output_itr(os); if (std::has_facet(os.getloc())) std::use_facet(os.getloc()).put(output_itr, os, os.fill(), gw); else { custom_date_facet* f = new custom_date_facet(); std::locale l = std::locale(os.getloc(), f); os.imbue(l); f->put(output_itr, os, os.fill(), gw); } return os; } //! input operator for greg_weekday template inline std::basic_istream& operator>>(std::basic_istream& is, greg_weekday& wd) { boost::io::ios_flags_saver iflags(is); typename std::basic_istream::sentry strm_sentry(is, false); if (strm_sentry) { try { typedef typename date_time::date_input_facet date_input_facet_local; std::istreambuf_iterator sit(is), str_end; if(std::has_facet(is.getloc())) { std::use_facet(is.getloc()).get(sit, str_end, is, wd); } else { date_input_facet_local* f = new date_input_facet_local(); std::locale l = std::locale(is.getloc(), f); is.imbue(l); f->get(sit, str_end, is, wd); } } 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; } //NOTE: output operator for greg_day was not necessary //! input operator for greg_day template inline std::basic_istream& operator>>(std::basic_istream& is, greg_day& gd) { boost::io::ios_flags_saver iflags(is); typename std::basic_istream::sentry strm_sentry(is, false); if (strm_sentry) { try { typedef typename date_time::date_input_facet date_input_facet_local; std::istreambuf_iterator sit(is), str_end; if(std::has_facet(is.getloc())) { std::use_facet(is.getloc()).get(sit, str_end, is, gd); } else { date_input_facet_local* f = new date_input_facet_local(); std::locale l = std::locale(is.getloc(), f); is.imbue(l); f->get(sit, str_end, is, gd); } } 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; } //NOTE: output operator for greg_year was not necessary //! input operator for greg_year template inline std::basic_istream& operator>>(std::basic_istream& is, greg_year& gy) { boost::io::ios_flags_saver iflags(is); typename std::basic_istream::sentry strm_sentry(is, false); if (strm_sentry) { try { typedef typename date_time::date_input_facet date_input_facet_local; std::istreambuf_iterator sit(is), str_end; if(std::has_facet(is.getloc())) { std::use_facet(is.getloc()).get(sit, str_end, is, gy); } else { date_input_facet_local* f = new date_input_facet_local(); std::locale l = std::locale(is.getloc(), f); is.imbue(l); f->get(sit, str_end, is, gy); } } 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; } /********** date generator types **********/ template inline std::basic_ostream& operator<<(std::basic_ostream& os, const boost::gregorian::partial_date& pd) { boost::io::ios_flags_saver iflags(os); typedef boost::date_time::date_facet custom_date_facet; std::ostreambuf_iterator output_itr(os); if (std::has_facet(os.getloc())) std::use_facet(os.getloc()).put(output_itr, os, os.fill(), pd); else { custom_date_facet* f = new custom_date_facet(); std::locale l = std::locale(os.getloc(), f); os.imbue(l); f->put(output_itr, os, os.fill(), pd); } return os; } //! input operator for partial_date template inline std::basic_istream& operator>>(std::basic_istream& is, partial_date& pd) { boost::io::ios_flags_saver iflags(is); typename std::basic_istream::sentry strm_sentry(is, false); if (strm_sentry) { try { typedef typename date_time::date_input_facet date_input_facet_local; std::istreambuf_iterator sit(is), str_end; if(std::has_facet(is.getloc())) { std::use_facet(is.getloc()).get(sit, str_end, is, pd); } else { date_input_facet_local* f = new date_input_facet_local(); std::locale l = std::locale(is.getloc(), f); is.imbue(l); f->get(sit, str_end, is, pd); } } 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; } template inline std::basic_ostream& operator<<(std::basic_ostream& os, const boost::gregorian::nth_day_of_the_week_in_month& nkd) { boost::io::ios_flags_saver iflags(os); typedef boost::date_time::date_facet custom_date_facet; std::ostreambuf_iterator output_itr(os); if (std::has_facet(os.getloc())) std::use_facet(os.getloc()).put(output_itr, os, os.fill(), nkd); else { custom_date_facet* f = new custom_date_facet(); std::locale l = std::locale(os.getloc(), f); os.imbue(l); f->put(output_itr, os, os.fill(), nkd); } return os; } //! input operator for nth_day_of_the_week_in_month template inline std::basic_istream& operator>>(std::basic_istream& is, nth_day_of_the_week_in_month& nday) { boost::io::ios_flags_saver iflags(is); typename std::basic_istream::sentry strm_sentry(is, false); if (strm_sentry) { try { typedef typename date_time::date_input_facet date_input_facet_local; std::istreambuf_iterator sit(is), str_end; if(std::has_facet(is.getloc())) { std::use_facet(is.getloc()).get(sit, str_end, is, nday); } else { date_input_facet_local* f = new date_input_facet_local(); std::locale l = std::locale(is.getloc(), f); is.imbue(l); f->get(sit, str_end, is, nday); } } 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; } template inline std::basic_ostream& operator<<(std::basic_ostream& os, const boost::gregorian::first_day_of_the_week_in_month& fkd) { boost::io::ios_flags_saver iflags(os); typedef boost::date_time::date_facet custom_date_facet; std::ostreambuf_iterator output_itr(os); if (std::has_facet(os.getloc())) std::use_facet(os.getloc()).put(output_itr, os, os.fill(), fkd); else { custom_date_facet* f = new custom_date_facet(); std::locale l = std::locale(os.getloc(), f); os.imbue(l); f->put(output_itr, os, os.fill(), fkd); } return os; } //! input operator for first_day_of_the_week_in_month template inline std::basic_istream& operator>>(std::basic_istream& is, first_day_of_the_week_in_month& fkd) { boost::io::ios_flags_saver iflags(is); typename std::basic_istream::sentry strm_sentry(is, false); if (strm_sentry) { try { typedef typename date_time::date_input_facet date_input_facet_local; std::istreambuf_iterator sit(is), str_end; if(std::has_facet(is.getloc())) { std::use_facet(is.getloc()).get(sit, str_end, is, fkd); } else { date_input_facet_local* f = new date_input_facet_local(); std::locale l = std::locale(is.getloc(), f); is.imbue(l); f->get(sit, str_end, is, fkd); } } 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; } template inline std::basic_ostream& operator<<(std::basic_ostream& os, const boost::gregorian::last_day_of_the_week_in_month& lkd) { boost::io::ios_flags_saver iflags(os); typedef boost::date_time::date_facet custom_date_facet; std::ostreambuf_iterator output_itr(os); if (std::has_facet(os.getloc())) std::use_facet(os.getloc()).put(output_itr, os, os.fill(), lkd); else { custom_date_facet* f = new custom_date_facet(); std::locale l = std::locale(os.getloc(), f); os.imbue(l); f->put(output_itr, os, os.fill(), lkd); } return os; } //! input operator for last_day_of_the_week_in_month template inline std::basic_istream& operator>>(std::basic_istream& is, last_day_of_the_week_in_month& lkd) { boost::io::ios_flags_saver iflags(is); typename std::basic_istream::sentry strm_sentry(is, false); if (strm_sentry) { try { typedef typename date_time::date_input_facet date_input_facet_local; std::istreambuf_iterator sit(is), str_end; if(std::has_facet(is.getloc())) { std::use_facet(is.getloc()).get(sit, str_end, is, lkd); } else { date_input_facet_local* f = new date_input_facet_local(); std::locale l = std::locale(is.getloc(), f); is.imbue(l); f->get(sit, str_end, is, lkd); } } 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; } template inline std::basic_ostream& operator<<(std::basic_ostream& os, const boost::gregorian::first_day_of_the_week_after& fda) { boost::io::ios_flags_saver iflags(os); typedef boost::date_time::date_facet custom_date_facet; std::ostreambuf_iterator output_itr(os); if (std::has_facet(os.getloc())) { std::use_facet(os.getloc()).put(output_itr, os, os.fill(), fda); } else { custom_date_facet* f = new custom_date_facet(); std::locale l = std::locale(os.getloc(), f); os.imbue(l); f->put(output_itr, os, os.fill(), fda); } return os; } //! input operator for first_day_of_the_week_after template inline std::basic_istream& operator>>(std::basic_istream& is, first_day_of_the_week_after& fka) { boost::io::ios_flags_saver iflags(is); typename std::basic_istream::sentry strm_sentry(is, false); if (strm_sentry) { try { typedef typename date_time::date_input_facet date_input_facet_local; std::istreambuf_iterator sit(is), str_end; if(std::has_facet(is.getloc())) { std::use_facet(is.getloc()).get(sit, str_end, is, fka); } else { date_input_facet_local* f = new date_input_facet_local(); std::locale l = std::locale(is.getloc(), f); is.imbue(l); f->get(sit, str_end, is, fka); } } 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; } template inline std::basic_ostream& operator<<(std::basic_ostream& os, const boost::gregorian::first_day_of_the_week_before& fdb) { boost::io::ios_flags_saver iflags(os); typedef boost::date_time::date_facet custom_date_facet; std::ostreambuf_iterator output_itr(os); if (std::has_facet(os.getloc())) { std::use_facet(os.getloc()).put(output_itr, os, os.fill(), fdb); } else { custom_date_facet* f = new custom_date_facet(); std::locale l = std::locale(os.getloc(), f); os.imbue(l); f->put(output_itr, os, os.fill(), fdb); } return os; } //! input operator for first_day_of_the_week_before template inline std::basic_istream& operator>>(std::basic_istream& is, first_day_of_the_week_before& fkb) { boost::io::ios_flags_saver iflags(is); typename std::basic_istream::sentry strm_sentry(is, false); if (strm_sentry) { try { typedef typename date_time::date_input_facet date_input_facet_local; std::istreambuf_iterator sit(is), str_end; if(std::has_facet(is.getloc())) { std::use_facet(is.getloc()).get(sit, str_end, is, fkb); } else { date_input_facet_local* f = new date_input_facet_local(); std::locale l = std::locale(is.getloc(), f); is.imbue(l); f->get(sit, str_end, is, fkb); } } 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; } } } // namespaces #endif // DATE_TIME_GREGORIAN_IO_HPP__