boost/date_time/gregorian/greg_serialize.hpp
#ifndef GREGORIAN_SERIALIZE_HPP___ #define GREGORIAN_SERIALIZE_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 "boost/date_time/gregorian/gregorian_types.hpp" #include "boost/date_time/gregorian/parsers.hpp" #include "boost/serialization/split_free.hpp" #include "boost/serialization/nvp.hpp" // macros to split serialize functions into save & load functions // An expanded version is below for gregorian::date // NOTE: these macros define template functions in the boost::serialization namespace. // They must be expanded *outside* of any namespace BOOST_SERIALIZATION_SPLIT_FREE(::boost::gregorian::date_duration) BOOST_SERIALIZATION_SPLIT_FREE(::boost::gregorian::date_duration::duration_rep) BOOST_SERIALIZATION_SPLIT_FREE(::boost::gregorian::date_period) BOOST_SERIALIZATION_SPLIT_FREE(::boost::gregorian::greg_year) BOOST_SERIALIZATION_SPLIT_FREE(::boost::gregorian::greg_month) BOOST_SERIALIZATION_SPLIT_FREE(::boost::gregorian::greg_day) BOOST_SERIALIZATION_SPLIT_FREE(::boost::gregorian::greg_weekday) BOOST_SERIALIZATION_SPLIT_FREE(::boost::gregorian::partial_date) BOOST_SERIALIZATION_SPLIT_FREE(::boost::gregorian::nth_kday_of_month) BOOST_SERIALIZATION_SPLIT_FREE(::boost::gregorian::first_kday_of_month) BOOST_SERIALIZATION_SPLIT_FREE(::boost::gregorian::last_kday_of_month) BOOST_SERIALIZATION_SPLIT_FREE(::boost::gregorian::first_kday_before) BOOST_SERIALIZATION_SPLIT_FREE(::boost::gregorian::first_kday_after) namespace boost { namespace gregorian { std::string to_iso_string(const date&); } namespace serialization { /*! Method that does serialization for gregorian::date -- splits to load/save */ template<class Archive> inline void serialize(Archive & ar, ::boost::gregorian::date & d, const unsigned int file_version) { split_free(ar, d, file_version); } //! Function to save gregorian::date objects using serialization lib /*! Dates are serialized into a string for transport and storage. * While it would be more efficient to store the internal * integer used to manipulate the dates, it is an unstable solution. */ template<class Archive> void save(Archive & ar, const ::boost::gregorian::date & d, unsigned int /* version */) { std::string ds = to_iso_string(d); ar & make_nvp("date", ds); } //! Function to load gregorian::date objects using serialization lib /*! Dates are serialized into a string for transport and storage. * While it would be more efficient to store the internal * integer used to manipulate the dates, it is an unstable solution. */ template<class Archive> void load(Archive & ar, ::boost::gregorian::date & d, unsigned int /*version*/) { std::string ds; ar & make_nvp("date", ds); try{ d = ::boost::gregorian::from_undelimited_string(ds); }catch(bad_lexical_cast&) { gregorian::special_values sv = gregorian::special_value_from_string(ds); if(sv == gregorian::not_special) { throw; // no match found, rethrow original exception } else { d = gregorian::date(sv); } } } //!override needed b/c no default constructor template<class Archive> inline void load_construct_data(Archive & /*ar*/, ::boost::gregorian::date* dp, const unsigned int /*file_version*/) { // retrieve data from archive required to construct new // invoke inplace constructor to initialize instance of date ::new(dp) ::boost::gregorian::date(::boost::gregorian::not_a_date_time); } /**** date_duration ****/ //! Function to save gregorian::date_duration objects using serialization lib template<class Archive> void save(Archive & ar, const gregorian::date_duration & dd, unsigned int /*version*/) { typename gregorian::date_duration::duration_rep dr = dd.get_rep(); ar & make_nvp("date_duration", dr); } //! Function to load gregorian::date_duration objects using serialization lib template<class Archive> void load(Archive & ar, gregorian::date_duration & dd, unsigned int /*version*/) { typename gregorian::date_duration::duration_rep dr(0); ar & make_nvp("date_duration", dr); dd = gregorian::date_duration(dr); } //!override needed b/c no default constructor template<class Archive> inline void load_construct_data(Archive & /*ar*/, gregorian::date_duration* dd, const unsigned int /*file_version*/) { ::new(dd) gregorian::date_duration(gregorian::not_a_date_time); } /**** date_duration::duration_rep (most likely int_adapter) ****/ //! helper unction to save date_duration objects using serialization lib template<class Archive> void save(Archive & ar, const gregorian::date_duration::duration_rep & dr, unsigned int /*version*/) { typename gregorian::date_duration::duration_rep::int_type it = dr.as_number(); ar & make_nvp("date_duration_duration_rep", it); } //! helper function to load date_duration objects using serialization lib template<class Archive> void load(Archive & ar, gregorian::date_duration::duration_rep & dr, unsigned int /*version*/) { typename gregorian::date_duration::duration_rep::int_type it(0); ar & make_nvp("date_duration_duration_rep", it); dr = gregorian::date_duration::duration_rep::int_type(it); } //!override needed b/c no default constructor template<class Archive> inline void load_construct_data(Archive & /*ar*/, gregorian::date_duration::duration_rep* dr, const unsigned int /*file_version*/) { ::new(dr) gregorian::date_duration::duration_rep(0); } /**** date_period ****/ //! Function to save gregorian::date_period objects using serialization lib /*! date_period objects are broken down into 2 parts for serialization: * the begining date object and the end date object */ template<class Archive> void save(Archive & ar, const gregorian::date_period& dp, unsigned int /*version*/) { gregorian::date d1 = dp.begin(); gregorian::date d2 = dp.end(); ar & make_nvp("date_period_begin_date", d1); ar & make_nvp("date_period_end_date", d2); } //! Function to load gregorian::date_period objects using serialization lib /*! date_period objects are broken down into 2 parts for serialization: * the begining date object and the end date object */ template<class Archive> void load(Archive & ar, gregorian::date_period& dp, unsigned int /*version*/) { gregorian::date d1(gregorian::not_a_date_time); gregorian::date d2(gregorian::not_a_date_time); ar & make_nvp("date_period_begin_date", d1); ar & make_nvp("date_period_end_date", d2); dp = gregorian::date_period(d1,d2); } //!override needed b/c no default constructor template<class Archive> inline void load_construct_data(Archive & /*ar*/, gregorian::date_period* dp, const unsigned int /*file_version*/) { gregorian::date d(gregorian::not_a_date_time); gregorian::date_duration dd(1); ::new(dp) gregorian::date_period(d,dd); } /**** greg_year ****/ //! Function to save gregorian::greg_year objects using serialization lib template<class Archive> void save(Archive & ar, const gregorian::greg_year& gy, unsigned int /*version*/) { unsigned short us = gy; ar & make_nvp("greg_year", us); } //! Function to load gregorian::greg_year objects using serialization lib template<class Archive> void load(Archive & ar, gregorian::greg_year& gy, unsigned int /*version*/) { unsigned short us; ar & make_nvp("greg_year", us); gy = gregorian::greg_year(us); } //!override needed b/c no default constructor template<class Archive> inline void load_construct_data(Archive & /*ar*/, gregorian::greg_year* gy, const unsigned int /*file_version*/) { ::new(gy) gregorian::greg_year(1900); } /**** greg_month ****/ //! Function to save gregorian::greg_month objects using serialization lib template<class Archive> void save(Archive & ar, const gregorian::greg_month& gm, unsigned int /*version*/) { unsigned short us = gm.as_number(); ar & make_nvp("greg_month", us); } //! Function to load gregorian::greg_month objects using serialization lib template<class Archive> void load(Archive & ar, gregorian::greg_month& gm, unsigned int /*version*/) { unsigned short us; ar & make_nvp("greg_month", us); gm = gregorian::greg_month(us); } //!override needed b/c no default constructor template<class Archive> inline void load_construct_data(Archive & /*ar*/, gregorian::greg_month* gm, const unsigned int /*file_version*/) { ::new(gm) gregorian::greg_month(1); } /**** greg_day ****/ //! Function to save gregorian::greg_day objects using serialization lib template<class Archive> void save(Archive & ar, const gregorian::greg_day& gd, unsigned int /*version*/) { unsigned short us = gd.as_number(); ar & make_nvp("greg_day", us); } //! Function to load gregorian::greg_day objects using serialization lib template<class Archive> void load(Archive & ar, gregorian::greg_day& gd, unsigned int /*version*/) { unsigned short us; ar & make_nvp("greg_day", us); gd = gregorian::greg_day(us); } //!override needed b/c no default constructor template<class Archive> inline void load_construct_data(Archive & /*ar*/, gregorian::greg_day* gd, const unsigned int /*file_version*/) { ::new(gd) gregorian::greg_day(1); } /**** greg_weekday ****/ //! Function to save gregorian::greg_weekday objects using serialization lib template<class Archive> void save(Archive & ar, const gregorian::greg_weekday& gd, unsigned int /*version*/) { unsigned short us = gd.as_number(); ar & make_nvp("greg_weekday", us); } //! Function to load gregorian::greg_weekday objects using serialization lib template<class Archive> void load(Archive & ar, gregorian::greg_weekday& gd, unsigned int /*version*/) { unsigned short us; ar & make_nvp("greg_weekday", us); gd = gregorian::greg_weekday(us); } //!override needed b/c no default constructor template<class Archive> inline void load_construct_data(Archive & /*ar*/, gregorian::greg_weekday* gd, const unsigned int /*file_version*/) { ::new(gd) gregorian::greg_weekday(1); } /**** date_generators ****/ /**** partial_date ****/ //! Function to save gregorian::partial_date objects using serialization lib /*! partial_date objects are broken down into 2 parts for serialization: * the day (typically greg_day) and month (typically greg_month) objects */ template<class Archive> void save(Archive & ar, const gregorian::partial_date& pd, unsigned int /*version*/) { gregorian::greg_day gd(pd.day()); gregorian::greg_month gm(pd.month().as_number()); ar & make_nvp("partial_date_day", gd); ar & make_nvp("partial_date_month", gm); } //! Function to load gregorian::partial_date objects using serialization lib /*! partial_date objects are broken down into 2 parts for serialization: * the day (greg_day) and month (greg_month) objects */ template<class Archive> void load(Archive & ar, gregorian::partial_date& pd, unsigned int /*version*/) { gregorian::greg_day gd(1); gregorian::greg_month gm(1); ar & make_nvp("partial_date_day", gd); ar & make_nvp("partial_date_month", gm); pd = gregorian::partial_date(gd,gm); } //!override needed b/c no default constructor template<class Archive> inline void load_construct_data(Archive & /*ar*/, gregorian::partial_date* pd, const unsigned int /*file_version*/) { gregorian::greg_month gm(1); gregorian::greg_day gd(1); ::new(pd) gregorian::partial_date(gd,gm); } /**** nth_kday_of_month ****/ //! Function to save nth_day_of_the_week_in_month objects using serialization lib /*! nth_day_of_the_week_in_month objects are broken down into 3 parts for * serialization: the week number, the day of the week, and the month */ template<class Archive> void save(Archive & ar, const gregorian::nth_kday_of_month& nkd, unsigned int /*version*/) { typename gregorian::nth_kday_of_month::week_num wn(nkd.nth_week()); typename gregorian::nth_kday_of_month::day_of_week_type d(nkd.day_of_week().as_number()); typename gregorian::nth_kday_of_month::month_type m(nkd.month().as_number()); ar & make_nvp("nth_kday_of_month_week_num", wn); ar & make_nvp("nth_kday_of_month_day_of_week", d); ar & make_nvp("nth_kday_of_month_month", m); } //! Function to load nth_day_of_the_week_in_month objects using serialization lib /*! nth_day_of_the_week_in_month objects are broken down into 3 parts for * serialization: the week number, the day of the week, and the month */ template<class Archive> void load(Archive & ar, gregorian::nth_kday_of_month& nkd, unsigned int /*version*/) { typename gregorian::nth_kday_of_month::week_num wn(gregorian::nth_kday_of_month::first); typename gregorian::nth_kday_of_month::day_of_week_type d(gregorian::Monday); typename gregorian::nth_kday_of_month::month_type m(gregorian::Jan); ar & make_nvp("nth_kday_of_month_week_num", wn); ar & make_nvp("nth_kday_of_month_day_of_week", d); ar & make_nvp("nth_kday_of_month_month", m); nkd = gregorian::nth_kday_of_month(wn,d,m); } //!override needed b/c no default constructor template<class Archive> inline void load_construct_data(Archive & /*ar*/, gregorian::nth_kday_of_month* nkd, const unsigned int /*file_version*/) { // values used are not significant ::new(nkd) gregorian::nth_kday_of_month(gregorian::nth_kday_of_month::first, gregorian::Monday,gregorian::Jan); } /**** first_kday_of_month ****/ //! Function to save first_day_of_the_week_in_month objects using serialization lib /*! first_day_of_the_week_in_month objects are broken down into 2 parts for * serialization: the day of the week, and the month */ template<class Archive> void save(Archive & ar, const gregorian::first_kday_of_month& fkd, unsigned int /*version*/) { typename gregorian::first_kday_of_month::day_of_week_type d(fkd.day_of_week().as_number()); typename gregorian::first_kday_of_month::month_type m(fkd.month().as_number()); ar & make_nvp("first_kday_of_month_day_of_week", d); ar & make_nvp("first_kday_of_month_month", m); } //! Function to load first_day_of_the_week_in_month objects using serialization lib /*! first_day_of_the_week_in_month objects are broken down into 2 parts for * serialization: the day of the week, and the month */ template<class Archive> void load(Archive & ar, gregorian::first_kday_of_month& fkd, unsigned int /*version*/) { typename gregorian::first_kday_of_month::day_of_week_type d(gregorian::Monday); typename gregorian::first_kday_of_month::month_type m(gregorian::Jan); ar & make_nvp("first_kday_of_month_day_of_week", d); ar & make_nvp("first_kday_of_month_month", m); fkd = gregorian::first_kday_of_month(d,m); } //!override needed b/c no default constructor template<class Archive> inline void load_construct_data(Archive & /*ar*/, gregorian::first_kday_of_month* fkd, const unsigned int /*file_version*/) { // values used are not significant ::new(fkd) gregorian::first_kday_of_month(gregorian::Monday,gregorian::Jan); } /**** last_kday_of_month ****/ //! Function to save last_day_of_the_week_in_month objects using serialization lib /*! last_day_of_the_week_in_month objects are broken down into 2 parts for * serialization: the day of the week, and the month */ template<class Archive> void save(Archive & ar, const gregorian::last_kday_of_month& lkd, unsigned int /*version*/) { typename gregorian::last_kday_of_month::day_of_week_type d(lkd.day_of_week().as_number()); typename gregorian::last_kday_of_month::month_type m(lkd.month().as_number()); ar & make_nvp("last_kday_of_month_day_of_week", d); ar & make_nvp("last_kday_of_month_month", m); } //! Function to load last_day_of_the_week_in_month objects using serialization lib /*! last_day_of_the_week_in_month objects are broken down into 2 parts for * serialization: the day of the week, and the month */ template<class Archive> void load(Archive & ar, gregorian::last_kday_of_month& lkd, unsigned int /*version*/) { typename gregorian::last_kday_of_month::day_of_week_type d(gregorian::Monday); typename gregorian::last_kday_of_month::month_type m(gregorian::Jan); ar & make_nvp("last_kday_of_month_day_of_week", d); ar & make_nvp("last_kday_of_month_month", m); lkd = gregorian::last_kday_of_month(d,m); } //!override needed b/c no default constructor template<class Archive> inline void load_construct_data(Archive & /*ar*/, gregorian::last_kday_of_month* lkd, const unsigned int /*file_version*/) { // values used are not significant ::new(lkd) gregorian::last_kday_of_month(gregorian::Monday,gregorian::Jan); } /**** first_kday_before ****/ //! Function to save first_day_of_the_week_before objects using serialization lib template<class Archive> void save(Archive & ar, const gregorian::first_kday_before& fkdb, unsigned int /*version*/) { typename gregorian::first_kday_before::day_of_week_type d(fkdb.day_of_week().as_number()); ar & make_nvp("first_kday_before_day_of_week", d); } //! Function to load first_day_of_the_week_before objects using serialization lib template<class Archive> void load(Archive & ar, gregorian::first_kday_before& fkdb, unsigned int /*version*/) { typename gregorian::first_kday_before::day_of_week_type d(gregorian::Monday); ar & make_nvp("first_kday_before_day_of_week", d); fkdb = gregorian::first_kday_before(d); } //!override needed b/c no default constructor template<class Archive> inline void load_construct_data(Archive & /*ar*/, gregorian::first_kday_before* fkdb, const unsigned int /*file_version*/) { // values used are not significant ::new(fkdb) gregorian::first_kday_before(gregorian::Monday); } /**** first_kday_after ****/ //! Function to save first_day_of_the_week_after objects using serialization lib template<class Archive> void save(Archive & ar, const gregorian::first_kday_after& fkda, unsigned int /*version*/) { typename gregorian::first_kday_after::day_of_week_type d(fkda.day_of_week().as_number()); ar & make_nvp("first_kday_after_day_of_week", d); } //! Function to load first_day_of_the_week_after objects using serialization lib template<class Archive> void load(Archive & ar, gregorian::first_kday_after& fkda, unsigned int /*version*/) { typename gregorian::first_kday_after::day_of_week_type d(gregorian::Monday); ar & make_nvp("first_kday_after_day_of_week", d); fkda = gregorian::first_kday_after(d); } //!override needed b/c no default constructor template<class Archive> inline void load_construct_data(Archive & /*ar*/, gregorian::first_kday_after* fkda, const unsigned int /*file_version*/) { // values used are not significant ::new(fkda) gregorian::first_kday_after(gregorian::Monday); } } // namespace serialization } // namespace boost #endif