| /*-----------------------------------------------------------------------------+ |
| 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 |
| |
| |