/*-----------------------------------------------------------------------------+ | |
Copyright (c) 2008-2009: Joachim Faulhaber | |
+------------------------------------------------------------------------------+ | |
Distributed under the Boost Software License, Version 1.0. | |
(See accompanying file LICENCE.txt or copy at | |
http://www.boost.org/LICENSE_1_0.txt) | |
+-----------------------------------------------------------------------------*/ | |
/*------------------------------------------------------------------------------ | |
itl_ptime provides adapter code for boost::posix_time::ptime. | |
It implements incrementation (++) decrementation (--) and a neutral element | |
w.r.t. addition (identity_element()). | |
------------------------------------------------------------------------------*/ | |
#ifndef BOOST_ICL_PTIME_HPP_JOFA_080416 | |
#define BOOST_ICL_PTIME_HPP_JOFA_080416 | |
#include <boost/icl/detail/boost_config.hpp> | |
#include <boost/detail/workaround.hpp> | |
#ifdef BOOST_MSVC | |
#pragma warning(push) | |
#pragma warning(disable:4100) // boost/date_time/time.hpp(80) : warning C4100: 'as_offset' : unreferenced formal parameter | |
#pragma warning(disable:4127) // conditional expression is constant | |
#pragma warning(disable:4244) // 'argument' : conversion from 'int' to 'unsigned short', possible loss of data | |
#pragma warning(disable:4702) // boost\lexical_cast.hpp(1159) : warning C4702: unreachable code | |
#pragma warning(disable:4996) // Function call with parameters that may be unsafe - this call relies on the caller to check that the passed values are correct. To disable this warning, use -D_SCL_SECURE_NO_WARNINGS. See documentation on how to use Visual C++ 'Checked Iterators' | |
#endif | |
#include <stdio.h> | |
#include <string> | |
#include <sstream> | |
#include <iostream> | |
#include <boost/date_time/posix_time/posix_time.hpp> | |
#ifdef BOOST_MSVC | |
#pragma warning(pop) | |
#endif | |
#include <boost/icl/type_traits/identity_element.hpp> | |
#include <boost/icl/type_traits/difference_type_of.hpp> | |
#include <boost/icl/type_traits/size_type_of.hpp> | |
#include <boost/icl/type_traits/is_discrete.hpp> | |
namespace boost{namespace icl | |
{ | |
template<> struct is_discrete<boost::posix_time::ptime> | |
{ | |
typedef is_discrete type; | |
BOOST_STATIC_CONSTANT(bool, value = true); | |
}; | |
template<> | |
inline boost::posix_time::ptime identity_element<boost::posix_time::ptime>::value() | |
{ | |
return boost::posix_time::ptime(boost::posix_time::min_date_time); | |
} | |
template<> | |
struct has_difference<boost::posix_time::ptime> | |
{ | |
typedef has_difference type; | |
BOOST_STATIC_CONSTANT(bool, value = true); | |
}; | |
template<> | |
struct difference_type_of<boost::posix_time::ptime> | |
{ | |
typedef boost::posix_time::time_duration type; | |
}; | |
template<> | |
struct size_type_of<boost::posix_time::ptime> | |
{ | |
typedef boost::posix_time::time_duration type; | |
}; | |
// ------------------------------------------------------------------------ | |
boost::posix_time::ptime operator ++(boost::posix_time::ptime& x) | |
{ | |
return x += boost::posix_time::ptime::time_duration_type::unit(); | |
} | |
boost::posix_time::ptime operator --(boost::posix_time::ptime& x) | |
{ | |
return x -= boost::posix_time::ptime::time_duration_type::unit(); | |
} | |
// ------------------------------------------------------------------------ | |
template<> struct is_discrete<boost::posix_time::time_duration> | |
{ | |
typedef is_discrete type; | |
BOOST_STATIC_CONSTANT(bool, value = true); | |
}; | |
template<> | |
struct has_difference<boost::posix_time::time_duration> | |
{ | |
typedef has_difference type; | |
BOOST_STATIC_CONSTANT(bool, value = true); | |
}; | |
template<> | |
struct size_type_of<boost::posix_time::time_duration> | |
{ | |
typedef boost::posix_time::time_duration type; | |
}; | |
boost::posix_time::time_duration operator ++(boost::posix_time::time_duration& x) | |
{ | |
return x += boost::posix_time::ptime::time_duration_type::unit(); | |
} | |
boost::posix_time::time_duration operator --(boost::posix_time::time_duration& x) | |
{ | |
return x -= boost::posix_time::ptime::time_duration_type::unit(); | |
} | |
}} // namespace icl boost | |
#endif | |