| #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__ |
