#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