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| author | Remko Tronçon <git@el-tramo.be> | 2009-06-01 08:48:42 (GMT) |
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| committer | Remko Tronçon <git@el-tramo.be> | 2009-06-01 09:24:28 (GMT) |
| commit | 2812bddd81f8a1b804c7460f4e14cd0aa393d129 (patch) | |
| tree | d46294f35150c4f0f43deaf2d31fceaf945ae715 /3rdParty/Boost/boost/date_time/posix_time/date_duration_operators.hpp | |
| download | swift-2812bddd81f8a1b804c7460f4e14cd0aa393d129.zip swift-2812bddd81f8a1b804c7460f4e14cd0aa393d129.tar.bz2 | |
Import.
Diffstat (limited to '3rdParty/Boost/boost/date_time/posix_time/date_duration_operators.hpp')
| -rw-r--r-- | 3rdParty/Boost/boost/date_time/posix_time/date_duration_operators.hpp | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/3rdParty/Boost/boost/date_time/posix_time/date_duration_operators.hpp b/3rdParty/Boost/boost/date_time/posix_time/date_duration_operators.hpp new file mode 100644 index 0000000..e6899ba --- /dev/null +++ b/3rdParty/Boost/boost/date_time/posix_time/date_duration_operators.hpp @@ -0,0 +1,114 @@ +#ifndef DATE_DURATION_OPERATORS_HPP___ +#define DATE_DURATION_OPERATORS_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/gregorian/greg_duration_types.hpp" +#include "boost/date_time/posix_time/ptime.hpp" + +namespace boost { +namespace posix_time { + + /*!@file date_duration_operators.hpp Operators for ptime and + * optional gregorian types. Operators use snap-to-end-of-month behavior. + * Further details on this behavior can be found in reference for + * date_time/date_duration_types.hpp and documentation for + * month and year iterators. + */ + + + /*! Adds a months object and a ptime. Result will be same + * day-of-month as ptime unless original day was the last day of month. + * see date_time::months_duration for more details */ + inline + ptime + operator+(const ptime& t, const boost::gregorian::months& m) + { + return t + m.get_offset(t.date()); + } + + /*! Adds a months object to a ptime. Result will be same + * day-of-month as ptime unless original day was the last day of month. + * see date_time::months_duration for more details */ + inline + ptime + operator+=(ptime& t, const boost::gregorian::months& m) + { + // get_neg_offset returns a negative duration, so we add + return t += m.get_offset(t.date()); + } + + /*! Subtracts a months object and a ptime. Result will be same + * day-of-month as ptime unless original day was the last day of month. + * see date_time::months_duration for more details */ + inline + ptime + operator-(const ptime& t, const boost::gregorian::months& m) + { + // get_neg_offset returns a negative duration, so we add + return t + m.get_neg_offset(t.date()); + } + + /*! Subtracts a months object from a ptime. Result will be same + * day-of-month as ptime unless original day was the last day of month. + * see date_time::months_duration for more details */ + inline + ptime + operator-=(ptime& t, const boost::gregorian::months& m) + { + return t += m.get_neg_offset(t.date()); + } + + // ptime & years + + /*! Adds a years object and a ptime. Result will be same + * month and day-of-month as ptime unless original day was the + * last day of month. see date_time::years_duration for more details */ + inline + ptime + operator+(const ptime& t, const boost::gregorian::years& y) + { + return t + y.get_offset(t.date()); + } + + /*! Adds a years object to a ptime. Result will be same + * month and day-of-month as ptime unless original day was the + * last day of month. see date_time::years_duration for more details */ + inline + ptime + operator+=(ptime& t, const boost::gregorian::years& y) + { + return t += y.get_offset(t.date()); + } + + /*! Subtracts a years object and a ptime. Result will be same + * month and day-of-month as ptime unless original day was the + * last day of month. see date_time::years_duration for more details */ + inline + ptime + operator-(const ptime& t, const boost::gregorian::years& y) + { + // get_neg_offset returns a negative duration, so we add + return t + y.get_neg_offset(t.date()); + } + + /*! Subtracts a years object from a ptime. Result will be same + * month and day-of-month as ptime unless original day was the + * last day of month. see date_time::years_duration for more details */ + inline + ptime + operator-=(ptime& t, const boost::gregorian::years& y) + { + // get_neg_offset returns a negative duration, so we add + return t += y.get_neg_offset(t.date()); + } + +}} // namespaces + +#endif // DATE_DURATION_OPERATORS_HPP___ |