128 lines
4.3 KiB
C++
128 lines
4.3 KiB
C++
/*-----------------------------------------------------------------------------+
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Copyright (c) 2008-2009: Joachim Faulhaber
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+------------------------------------------------------------------------------+
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Distributed under the Boost Software License, Version 1.0.
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(See accompanying file LICENCE.txt or copy at
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http://www.boost.org/LICENSE_1_0.txt)
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+-----------------------------------------------------------------------------*/
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#ifndef BOOST_ICL_GREGORIAN_DATE_HPP_JOFA_080416
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#define BOOST_ICL_GREGORIAN_DATE_HPP_JOFA_080416
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#include <boost/icl/detail/boost_config.hpp>
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#include <boost/detail/workaround.hpp>
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#ifdef BOOST_MSVC
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#pragma warning(push)
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#pragma warning(disable:4100) // unreferenced formal parameter
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#pragma warning(disable:4127) // conditional expression is constant
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#pragma warning(disable:4244) // 'argument' : conversion from 'int' to 'unsigned short', possible loss of data
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#pragma warning(disable:4702) // boost\lexical_cast.hpp(1159) : warning C4702: unreachable code
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#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'
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#endif
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#include <stdio.h>
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#include <string>
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#include <sstream>
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#include <iostream>
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#include <boost/date_time/gregorian/gregorian.hpp>
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#ifdef BOOST_MSVC
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#pragma warning(pop)
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#endif
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#include <boost/icl/type_traits/identity_element.hpp>
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#include <boost/icl/type_traits/is_discrete.hpp>
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#include <boost/icl/type_traits/difference_type_of.hpp>
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#include <boost/icl/type_traits/size_type_of.hpp>
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namespace boost{namespace icl
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{
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template<> struct is_discrete<boost::gregorian::date>
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{
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typedef is_discrete type;
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BOOST_STATIC_CONSTANT(bool, value = true);
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};
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template<>
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inline boost::gregorian::date identity_element<boost::gregorian::date>::value()
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{
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return boost::gregorian::date(boost::gregorian::min_date_time);
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}
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template<>
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struct identity_element<boost::gregorian::date_duration>
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{
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static boost::gregorian::date_duration value()
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{
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return boost::gregorian::date(boost::gregorian::min_date_time)
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- boost::gregorian::date(boost::gregorian::min_date_time);
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}
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};
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template<>
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struct has_difference<boost::gregorian::date>
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{
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typedef has_difference type;
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BOOST_STATIC_CONSTANT(bool, value = true);
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};
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template<>
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struct difference_type_of<boost::gregorian::date>
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{ typedef boost::gregorian::date_duration type; };
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template<>
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struct size_type_of<boost::gregorian::date>
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{ typedef boost::gregorian::date_duration type; };
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// ------------------------------------------------------------------------
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inline boost::gregorian::date operator ++(boost::gregorian::date& x)
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{
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return x += boost::gregorian::date::duration_type::unit();
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}
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inline boost::gregorian::date operator --(boost::gregorian::date& x)
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{
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return x -= boost::gregorian::date::duration_type::unit();
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}
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// ------------------------------------------------------------------------
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template<> struct is_discrete<boost::gregorian::date_duration>
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{
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typedef is_discrete type;
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BOOST_STATIC_CONSTANT(bool, value = true);
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};
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template<>
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struct has_difference<boost::gregorian::date_duration>
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{
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typedef has_difference type;
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BOOST_STATIC_CONSTANT(bool, value = true);
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};
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template<>
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struct size_type_of<boost::gregorian::date_duration>
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{
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typedef boost::gregorian::date_duration type;
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};
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inline boost::gregorian::date_duration operator ++(boost::gregorian::date_duration& x)
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{
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return x += boost::gregorian::date::duration_type::unit();
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}
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inline boost::gregorian::date_duration operator --(boost::gregorian::date_duration& x)
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{
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return x -= boost::gregorian::date::duration_type::unit();
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}
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// ------------------------------------------------------------------------
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}} // namespace icl boost
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#endif
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