| #ifndef DATE_TIME_TIME_CLOCK_HPP___ |
| #define DATE_TIME_TIME_CLOCK_HPP___ |
| |
| /* Copyright (c) 2002,2003,2005 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: 2008-02-27 15:00:24 -0500 (Wed, 27 Feb 2008) $ |
| */ |
| |
| /*! @file time_clock.hpp |
| This file contains the interface for clock devices. |
| */ |
| |
| #include "boost/date_time/c_time.hpp" |
| #include "boost/shared_ptr.hpp" |
| |
| namespace boost { |
| namespace date_time { |
| |
| |
| //! A clock providing time level services based on C time_t capabilities |
| /*! This clock provides resolution to the 1 second level |
| */ |
| template<class time_type> |
| class second_clock |
| { |
| public: |
| typedef typename time_type::date_type date_type; |
| typedef typename time_type::time_duration_type time_duration_type; |
| |
| static time_type local_time() |
| { |
| ::std::time_t t; |
| ::std::time(&t); |
| ::std::tm curr, *curr_ptr; |
| //curr_ptr = ::std::localtime(&t); |
| curr_ptr = c_time::localtime(&t, &curr); |
| return create_time(curr_ptr); |
| } |
| |
| |
| //! Get the current day in universal date as a ymd_type |
| static time_type universal_time() |
| { |
| |
| ::std::time_t t; |
| ::std::time(&t); |
| ::std::tm curr, *curr_ptr; |
| //curr_ptr = ::std::gmtime(&t); |
| curr_ptr = c_time::gmtime(&t, &curr); |
| return create_time(curr_ptr); |
| } |
| |
| template<class time_zone_type> |
| static time_type local_time(boost::shared_ptr<time_zone_type> tz_ptr) |
| { |
| typedef typename time_type::utc_time_type utc_time_type; |
| utc_time_type utc_time = second_clock<utc_time_type>::universal_time(); |
| return time_type(utc_time, tz_ptr); |
| } |
| |
| |
| private: |
| static time_type create_time(::std::tm* current) |
| { |
| date_type d(static_cast<unsigned short>(current->tm_year + 1900), |
| static_cast<unsigned short>(current->tm_mon + 1), |
| static_cast<unsigned short>(current->tm_mday)); |
| time_duration_type td(current->tm_hour, |
| current->tm_min, |
| current->tm_sec); |
| return time_type(d,td); |
| } |
| |
| }; |
| |
| |
| } } //namespace date_time |
| |
| |
| #endif |