mirror of
https://github.com/rbock/sqlpp11.git
synced 2024-11-16 04:47:18 +08:00
58 lines
2.2 KiB
C++
58 lines
2.2 KiB
C++
/*
|
|
* Copyright (c) 2015-2016, Roland Bock, Aaron Bishop
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without modification,
|
|
* are permitted provided that the following conditions are met:
|
|
*
|
|
* Redistributions of source code must retain the above copyright notice, this
|
|
* list of conditions and the following disclaimer.
|
|
*
|
|
* Redistributions in binary form must reproduce the above copyright notice, this
|
|
* list of conditions and the following disclaimer in the documentation and/or
|
|
* other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
|
|
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
|
|
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef SQLPP_CHRONO_H
|
|
#define SQLPP_CHRONO_H
|
|
|
|
#include <date.h>
|
|
|
|
namespace sqlpp
|
|
{
|
|
namespace chrono
|
|
{
|
|
using days = std::chrono::duration<int, std::ratio_multiply<std::ratio<24>, std::chrono::hours::period>>;
|
|
|
|
using day_point = std::chrono::time_point<std::chrono::system_clock, days>;
|
|
using microsecond_point = std::chrono::time_point<std::chrono::system_clock, std::chrono::microseconds>;
|
|
|
|
#if _MSC_FULL_VER >= 190023918
|
|
// MSVC Update 2 provides floor, ceil, round, abs in chrono (which is C++17 only...)
|
|
using ::std::chrono::floor;
|
|
#else
|
|
using ::date::floor;
|
|
#endif
|
|
|
|
template <typename T>
|
|
std::chrono::microseconds time_of_day(T t)
|
|
{
|
|
const auto dp = floor<days>(t);
|
|
return std::chrono::duration_cast<std::chrono::microseconds>(::date::make_time(t - dp).to_duration());
|
|
}
|
|
}
|
|
}
|
|
|
|
#endif
|