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+#ifndef DATE_TIME_POSIX_TIME_IO_HPP__
+#define DATE_TIME_POSIX_TIME_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: 2008-11-13 14:05:31 -0500 (Thu, 13 Nov 2008) $
+ */
+
+#include <locale>
+#include <iostream>
+#include <iterator> // i/ostreambuf_iterator
+#include <boost/io/ios_state.hpp>
+#include <boost/date_time/time_facet.hpp>
+#include <boost/date_time/period_formatter.hpp>
+#include <boost/date_time/posix_time/ptime.hpp>
+#include <boost/date_time/posix_time/time_period.hpp>
+#include <boost/date_time/posix_time/posix_time_duration.hpp>
+#include <boost/date_time/posix_time/conversion.hpp> // to_tm will be needed in the facets
+
+namespace boost {
+namespace posix_time {
+
+
+ //! wptime_facet is depricated and will be phased out. use wtime_facet instead
+ //typedef boost::date_time::time_facet<ptime, wchar_t> wptime_facet;
+ //! ptime_facet is depricated and will be phased out. use time_facet instead
+ //typedef boost::date_time::time_facet<ptime, char> ptime_facet;
+
+ //! wptime_input_facet is depricated and will be phased out. use wtime_input_facet instead
+ //typedef boost::date_time::time_input_facet<ptime,wchar_t> wptime_input_facet;
+ //! ptime_input_facet is depricated and will be phased out. use time_input_facet instead
+ //typedef boost::date_time::time_input_facet<ptime,char> ptime_input_facet;
+
+ typedef boost::date_time::time_facet<ptime, wchar_t> wtime_facet;
+ typedef boost::date_time::time_facet<ptime, char> time_facet;
+
+ typedef boost::date_time::time_input_facet<ptime, wchar_t> wtime_input_facet;
+ typedef boost::date_time::time_input_facet<ptime, char> time_input_facet;
+
+ template <class CharT, class TraitsT>
+ inline
+ std::basic_ostream<CharT, TraitsT>&
+ operator<<(std::basic_ostream<CharT, TraitsT>& os,
+ const ptime& p) {
+ boost::io::ios_flags_saver iflags(os);
+ typedef boost::date_time::time_facet<ptime, CharT> custom_ptime_facet;
+ typedef std::time_put<CharT> std_ptime_facet;
+ std::ostreambuf_iterator<CharT> oitr(os);
+ if (std::has_facet<custom_ptime_facet>(os.getloc()))
+ std::use_facet<custom_ptime_facet>(os.getloc()).put(oitr, os, os.fill(), p);
+ else {
+ //instantiate a custom facet for dealing with times 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 locale did not already exist. Of course this will be overridden
+ //if the user imbues as some later point.
+ custom_ptime_facet* f = new custom_ptime_facet();
+ std::locale l = std::locale(os.getloc(), f);
+ os.imbue(l);
+ f->put(oitr, os, os.fill(), p);
+ }
+ return os;
+ }
+
+ //! input operator for ptime
+ template <class CharT, class Traits>
+ 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;
+ }
+
+
+ template <class CharT, class TraitsT>
+ inline
+ std::basic_ostream<CharT, TraitsT>&
+ operator<<(std::basic_ostream<CharT, TraitsT>& os,
+ const boost::posix_time::time_period& p) {
+ boost::io::ios_flags_saver iflags(os);
+ typedef boost::date_time::time_facet<ptime, CharT> custom_ptime_facet;
+ typedef std::time_put<CharT> std_time_facet;
+ std::ostreambuf_iterator<CharT> oitr(os);
+ if (std::has_facet<custom_ptime_facet>(os.getloc())) {
+ std::use_facet<custom_ptime_facet>(os.getloc()).put(oitr, os, os.fill(), p);
+ }
+ else {
+ //instantiate a custom facet for dealing with 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 as some later point.
+ custom_ptime_facet* f = new custom_ptime_facet();
+ std::locale l = std::locale(os.getloc(), f);
+ os.imbue(l);
+ f->put(oitr, os, os.fill(), p);
+ }
+ return os;
+ }
+
+ //! input operator for time_period
+ template <class CharT, class Traits>
+ inline
+ std::basic_istream<CharT, Traits>&
+ operator>>(std::basic_istream<CharT, Traits>& is, time_period& tp)
+ {
+ 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, tp);
+ }
+ 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, tp);
+ }
+ }
+ 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;
+ }
+
+
+ //! ostream operator for posix_time::time_duration
+ // todo fix to use facet -- place holder for now...
+ template <class CharT, class Traits>
+ inline
+ std::basic_ostream<CharT, Traits>&
+ operator<<(std::basic_ostream<CharT, Traits>& os, const time_duration& td)
+ {
+ boost::io::ios_flags_saver iflags(os);
+ typedef boost::date_time::time_facet<ptime, CharT> custom_ptime_facet;
+ typedef std::time_put<CharT> std_ptime_facet;
+ std::ostreambuf_iterator<CharT> oitr(os);
+ if (std::has_facet<custom_ptime_facet>(os.getloc()))
+ std::use_facet<custom_ptime_facet>(os.getloc()).put(oitr, os, os.fill(), td);
+ else {
+ //instantiate a custom facet for dealing with times 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 locale did not already exist. Of course this will be overridden
+ //if the user imbues as some later point.
+ custom_ptime_facet* f = new custom_ptime_facet();
+ std::locale l = std::locale(os.getloc(), f);
+ os.imbue(l);
+ f->put(oitr, os, os.fill(), td);
+ }
+ return os;
+ }
+
+ //! input operator for time_duration
+ template <class CharT, class Traits>
+ 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;
+ }
+
+} } // namespaces
+#endif // DATE_TIME_POSIX_TIME_IO_HPP__