You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and dots ('.'), can be up to 35 characters long. Letters must be lowercase.
83 lines
2.2 KiB
83 lines
2.2 KiB
#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
|
|
|