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Diffstat (limited to '3rdParty/Boost/boost/date_time/date_duration_types.hpp')
-rw-r--r-- | 3rdParty/Boost/boost/date_time/date_duration_types.hpp | 269 |
1 files changed, 269 insertions, 0 deletions
diff --git a/3rdParty/Boost/boost/date_time/date_duration_types.hpp b/3rdParty/Boost/boost/date_time/date_duration_types.hpp new file mode 100644 index 0000000..1512c0e --- /dev/null +++ b/3rdParty/Boost/boost/date_time/date_duration_types.hpp @@ -0,0 +1,269 @@ +#ifndef DATE_DURATION_TYPES_HPP___ +#define DATE_DURATION_TYPES_HPP___ + +/* Copyright (c) 2004 CrystalClear Software, Inc. + * 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 15:00:24 -0500 (Wed, 27 Feb 2008) $ + */ + +#include <boost/date_time/int_adapter.hpp> +#include <boost/date_time/special_defs.hpp> +#include <boost/date_time/date_duration.hpp> + +namespace boost { +namespace date_time { + + + //! Additional duration type that represents a number of n*7 days + template <class duration_config> + class weeks_duration : public date_duration<duration_config> { + public: + weeks_duration(typename duration_config::impl_type w) + : date_duration<duration_config>(w * 7) {} + weeks_duration(special_values sv) + : date_duration<duration_config>(sv) {} + }; + + // predeclare + template<class t> + class years_duration; + + //! additional duration type that represents a logical month + /*! A logical month enables things like: "date(2002,Mar,2) + months(2) -> + * 2002-May2". If the date is a last day-of-the-month, the result will + * also be a last-day-of-the-month. + */ + template<class base_config> + class months_duration + { + private: + typedef typename base_config::int_rep int_rep; + typedef typename int_rep::int_type int_type; + typedef typename base_config::date_type date_type; + typedef typename date_type::duration_type duration_type; + typedef typename base_config::month_adjustor_type month_adjustor_type; + typedef months_duration<base_config> months_type; + typedef years_duration<base_config> years_type; + public: + months_duration(int_rep num) : _m(num) {} + months_duration(special_values sv) : _m(sv) + { + _m = int_rep::from_special(sv); + } + int_rep number_of_months() const { return _m; } + //! returns a negative duration + duration_type get_neg_offset(const date_type& d) const + { + month_adjustor_type m_adj(_m.as_number()); + return duration_type(m_adj.get_neg_offset(d)); + } + duration_type get_offset(const date_type& d) const + { + month_adjustor_type m_adj(_m.as_number()); + return duration_type(m_adj.get_offset(d)); + } + bool operator==(const months_type& rhs) const + { + return(_m == rhs._m); + } + bool operator!=(const months_type& rhs) const + { + return(_m != rhs._m); + } + months_type operator+(const months_type& rhs)const + { + return months_type(_m + rhs._m); + } + months_type& operator+=(const months_type& rhs) + { + _m = _m + rhs._m; + return *this; + } + months_type operator-(const months_type& rhs)const + { + return months_type(_m - rhs._m); + } + months_type& operator-=(const months_type& rhs) + { + _m = _m - rhs._m; + return *this; + } + months_type operator*(const int_type rhs)const + { + return months_type(_m * rhs); + } + months_type& operator*=(const int_type rhs) + { + _m = _m * rhs; + return *this; + } + months_type operator/(const int_type rhs)const + { + return months_type(_m / rhs); + } + months_type& operator/=(const int_type rhs) + { + _m = _m / rhs; + return *this; + } + months_type operator+(const years_type& y)const + { + return months_type(y.number_of_years() * 12 + _m); + } + months_type& operator+=(const years_type& y) + { + _m = y.number_of_years() * 12 + _m; + return *this; + } + months_type operator-(const years_type& y) const + { + return months_type(_m - y.number_of_years() * 12); + } + months_type& operator-=(const years_type& y) + { + _m = _m - y.number_of_years() * 12; + return *this; + } + + // + friend date_type operator+(const date_type& d, const months_type& m) + { + return d + m.get_offset(d); + } + friend date_type operator+=(date_type& d, const months_type& m) + { + return d += m.get_offset(d); + } + friend date_type operator-(const date_type& d, const months_type& m) + { + // get_neg_offset returns a negative duration, so we add + return d + m.get_neg_offset(d); + } + friend date_type operator-=(date_type& d, const months_type& m) + { + // get_neg_offset returns a negative duration, so we add + return d += m.get_neg_offset(d); + } + + private: + int_rep _m; + }; + + //! additional duration type that represents a logical year + /*! A logical year enables things like: "date(2002,Mar,2) + years(2) -> + * 2004-Mar-2". If the date is a last day-of-the-month, the result will + * also be a last-day-of-the-month (ie date(2001-Feb-28) + years(3) -> + * 2004-Feb-29). + */ + template<class base_config> + class years_duration + { + private: + typedef typename base_config::int_rep int_rep; + typedef typename int_rep::int_type int_type; + typedef typename base_config::date_type date_type; + typedef typename date_type::duration_type duration_type; + typedef typename base_config::month_adjustor_type month_adjustor_type; + typedef years_duration<base_config> years_type; + typedef months_duration<base_config> months_type; + public: + years_duration(int_rep num) : _y(num) {} + years_duration(special_values sv) : _y(sv) + { + _y = int_rep::from_special(sv); + } + int_rep number_of_years() const { return _y; } + //! returns a negative duration + duration_type get_neg_offset(const date_type& d) const + { + month_adjustor_type m_adj(_y.as_number() * 12); + return duration_type(m_adj.get_neg_offset(d)); + } + duration_type get_offset(const date_type& d) const + { + month_adjustor_type m_adj(_y.as_number() * 12); + return duration_type(m_adj.get_offset(d)); + } + bool operator==(const years_type& rhs) const + { + return(_y == rhs._y); + } + bool operator!=(const years_type& rhs) const + { + return(_y != rhs._y); + } + years_type operator+(const years_type& rhs)const + { + return years_type(_y + rhs._y); + } + years_type& operator+=(const years_type& rhs) + { + _y = _y + rhs._y; + return *this; + } + years_type operator-(const years_type& rhs)const + { + return years_type(_y - rhs._y); + } + years_type& operator-=(const years_type& rhs) + { + _y = _y - rhs._y; + return *this; + } + years_type operator*(const int_type rhs)const + { + return years_type(_y * rhs); + } + years_type& operator*=(const int_type rhs) + { + _y = _y * rhs; + return *this; + } + years_type operator/(const int_type rhs)const + { + return years_type(_y / rhs); + } + years_type& operator/=(const int_type rhs) + { + _y = _y / rhs; + return *this; + } + months_type operator+(const months_type& m) const + { + return(months_type(_y * 12 + m.number_of_months())); + } + months_type operator-(const months_type& m) const + { + return(months_type(_y * 12 - m.number_of_months())); + } + + // + friend date_type operator+(const date_type& d, const years_type& y) + { + return d + y.get_offset(d); + } + friend date_type operator+=(date_type& d, const years_type& y) + { + return d += y.get_offset(d); + } + friend date_type operator-(const date_type& d, const years_type& y) + { + // get_neg_offset returns a negative duration, so we add + return d + y.get_neg_offset(d); + } + friend date_type operator-=(date_type& d, const years_type& y) + { + // get_neg_offset returns a negative duration, so we add + return d += y.get_neg_offset(d); + } + + private: + int_rep _y; + }; + +}} // namespace boost::date_time + +#endif // DATE_DURATION_TYPES_HPP___ |