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#ifndef DATE_TIME_POSIX_TIME_IO_HPP__
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#define DATE_TIME_POSIX_TIME_IO_HPP__
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/* Copyright (c) 2004-2005 CrystalClear Software, Inc.
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* Use, modification and distribution is subject to the
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* Boost Software License, Version 1.0. (See accompanying
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* file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)
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* Author: Jeff Garland, Bart Garst
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* $Date: 2008-11-13 14:05:31 -0500 (Thu, 13 Nov 2008) $
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#include <iterator> // i/ostreambuf_iterator
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#include <boost/io/ios_state.hpp>
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#include <boost/date_time/time_facet.hpp>
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#include <boost/date_time/period_formatter.hpp>
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#include <boost/date_time/posix_time/ptime.hpp>
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#include <boost/date_time/posix_time/time_period.hpp>
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#include <boost/date_time/posix_time/posix_time_duration.hpp>
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#include <boost/date_time/posix_time/conversion.hpp> // to_tm will be needed in the facets
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namespace posix_time {
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//! wptime_facet is depricated and will be phased out. use wtime_facet instead
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//typedef boost::date_time::time_facet<ptime, wchar_t> wptime_facet;
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//! ptime_facet is depricated and will be phased out. use time_facet instead
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//typedef boost::date_time::time_facet<ptime, char> ptime_facet;
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//! wptime_input_facet is depricated and will be phased out. use wtime_input_facet instead
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//typedef boost::date_time::time_input_facet<ptime,wchar_t> wptime_input_facet;
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//! ptime_input_facet is depricated and will be phased out. use time_input_facet instead
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//typedef boost::date_time::time_input_facet<ptime,char> ptime_input_facet;
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typedef boost::date_time::time_facet<ptime, wchar_t> wtime_facet;
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typedef boost::date_time::time_facet<ptime, char> time_facet;
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typedef boost::date_time::time_input_facet<ptime, wchar_t> wtime_input_facet;
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typedef boost::date_time::time_input_facet<ptime, char> time_input_facet;
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template <class CharT, class TraitsT>
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std::basic_ostream<CharT, TraitsT>&
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operator<<(std::basic_ostream<CharT, TraitsT>& os,
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boost::io::ios_flags_saver iflags(os);
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typedef boost::date_time::time_facet<ptime, CharT> custom_ptime_facet;
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typedef std::time_put<CharT> std_ptime_facet;
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std::ostreambuf_iterator<CharT> oitr(os);
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if (std::has_facet<custom_ptime_facet>(os.getloc()))
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std::use_facet<custom_ptime_facet>(os.getloc()).put(oitr, os, os.fill(), p);
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//instantiate a custom facet for dealing with times since the user
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//has not put one in the stream so far. This is for efficiency
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//since we would always need to reconstruct for every time period
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//if the locale did not already exist. Of course this will be overridden
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//if the user imbues as some later point.
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custom_ptime_facet* f = new custom_ptime_facet();
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std::locale l = std::locale(os.getloc(), f);
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f->put(oitr, os, os.fill(), p);
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//! input operator for ptime
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template <class CharT, class Traits>
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std::basic_istream<CharT, Traits>&
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operator>>(std::basic_istream<CharT, Traits>& is, ptime& pt)
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boost::io::ios_flags_saver iflags(is);
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typename std::basic_istream<CharT, Traits>::sentry strm_sentry(is, false);
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typedef typename date_time::time_input_facet<ptime, CharT> time_input_facet;
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std::istreambuf_iterator<CharT,Traits> sit(is), str_end;
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if(std::has_facet<time_input_facet>(is.getloc())) {
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std::use_facet<time_input_facet>(is.getloc()).get(sit, str_end, is, pt);
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time_input_facet* f = new time_input_facet();
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std::locale l = std::locale(is.getloc(), f);
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f->get(sit, str_end, is, pt);
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// mask tells us what exceptions are turned on
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std::ios_base::iostate exception_mask = is.exceptions();
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// if the user wants exceptions on failbit, we'll rethrow our
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// date_time exception & set the failbit
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if(std::ios_base::failbit & exception_mask) {
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try { is.setstate(std::ios_base::failbit); }
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catch(std::ios_base::failure&) {} // ignore this one
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throw; // rethrow original exception
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// if the user want's to fail quietly, we simply set the failbit
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is.setstate(std::ios_base::failbit);
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template <class CharT, class TraitsT>
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std::basic_ostream<CharT, TraitsT>&
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operator<<(std::basic_ostream<CharT, TraitsT>& os,
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const boost::posix_time::time_period& p) {
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boost::io::ios_flags_saver iflags(os);
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typedef boost::date_time::time_facet<ptime, CharT> custom_ptime_facet;
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typedef std::time_put<CharT> std_time_facet;
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std::ostreambuf_iterator<CharT> oitr(os);
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if (std::has_facet<custom_ptime_facet>(os.getloc())) {
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std::use_facet<custom_ptime_facet>(os.getloc()).put(oitr, os, os.fill(), p);
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//instantiate a custom facet for dealing with periods since the user
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//has not put one in the stream so far. This is for efficiency
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//since we would always need to reconstruct for every time period
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//if the local did not already exist. Of course this will be overridden
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//if the user imbues as some later point.
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custom_ptime_facet* f = new custom_ptime_facet();
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std::locale l = std::locale(os.getloc(), f);
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f->put(oitr, os, os.fill(), p);
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//! input operator for time_period
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template <class CharT, class Traits>
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std::basic_istream<CharT, Traits>&
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operator>>(std::basic_istream<CharT, Traits>& is, time_period& tp)
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boost::io::ios_flags_saver iflags(is);
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typename std::basic_istream<CharT, Traits>::sentry strm_sentry(is, false);
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typedef typename date_time::time_input_facet<ptime, CharT> time_input_facet;
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std::istreambuf_iterator<CharT,Traits> sit(is), str_end;
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if(std::has_facet<time_input_facet>(is.getloc())) {
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std::use_facet<time_input_facet>(is.getloc()).get(sit, str_end, is, tp);
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time_input_facet* f = new time_input_facet();
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std::locale l = std::locale(is.getloc(), f);
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f->get(sit, str_end, is, tp);
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std::ios_base::iostate exception_mask = is.exceptions();
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if(std::ios_base::failbit & exception_mask) {
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try { is.setstate(std::ios_base::failbit); }
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catch(std::ios_base::failure&) {}
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throw; // rethrow original exception
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is.setstate(std::ios_base::failbit);
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//! ostream operator for posix_time::time_duration
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// todo fix to use facet -- place holder for now...
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template <class CharT, class Traits>
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std::basic_ostream<CharT, Traits>&
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operator<<(std::basic_ostream<CharT, Traits>& os, const time_duration& td)
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boost::io::ios_flags_saver iflags(os);
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typedef boost::date_time::time_facet<ptime, CharT> custom_ptime_facet;
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typedef std::time_put<CharT> std_ptime_facet;
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std::ostreambuf_iterator<CharT> oitr(os);
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if (std::has_facet<custom_ptime_facet>(os.getloc()))
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std::use_facet<custom_ptime_facet>(os.getloc()).put(oitr, os, os.fill(), td);
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//instantiate a custom facet for dealing with times since the user
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//has not put one in the stream so far. This is for efficiency
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//since we would always need to reconstruct for every time period
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//if the locale did not already exist. Of course this will be overridden
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//if the user imbues as some later point.
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custom_ptime_facet* f = new custom_ptime_facet();
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std::locale l = std::locale(os.getloc(), f);
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f->put(oitr, os, os.fill(), td);
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//! input operator for time_duration
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template <class CharT, class Traits>
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std::basic_istream<CharT, Traits>&
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operator>>(std::basic_istream<CharT, Traits>& is, time_duration& td)
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boost::io::ios_flags_saver iflags(is);
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typename std::basic_istream<CharT, Traits>::sentry strm_sentry(is, false);
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typedef typename date_time::time_input_facet<ptime, CharT> time_input_facet;
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std::istreambuf_iterator<CharT,Traits> sit(is), str_end;
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if(std::has_facet<time_input_facet>(is.getloc())) {
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std::use_facet<time_input_facet>(is.getloc()).get(sit, str_end, is, td);
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time_input_facet* f = new time_input_facet();
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std::locale l = std::locale(is.getloc(), f);
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f->get(sit, str_end, is, td);
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std::ios_base::iostate exception_mask = is.exceptions();
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if(std::ios_base::failbit & exception_mask) {
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try { is.setstate(std::ios_base::failbit); }
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catch(std::ios_base::failure&) {}
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throw; // rethrow original exception
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is.setstate(std::ios_base::failbit);
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#endif // DATE_TIME_POSIX_TIME_IO_HPP__