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#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 12:00:24 -0800 (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
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