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Diffstat (limited to '3rdParty/Boost/src/boost/date_time/dst_transition_generators.hpp')
-rw-r--r-- | 3rdParty/Boost/src/boost/date_time/dst_transition_generators.hpp | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/date_time/dst_transition_generators.hpp b/3rdParty/Boost/src/boost/date_time/dst_transition_generators.hpp new file mode 100644 index 0000000..6c4da1c --- /dev/null +++ b/3rdParty/Boost/src/boost/date_time/dst_transition_generators.hpp @@ -0,0 +1,75 @@ +/* Copyright (c) 2002,2003,2005 CrystalClear Software, Inc. + * Use, modification and distribution is 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 + */ +#ifndef DATE_TIME_DATE_DST_TRANSITION_DAY_GEN_HPP__ +#define DATE_TIME_DATE_DST_TRANSITION_DAY_GEN_HPP__ + + + +namespace boost { +namespace date_time { + + //! Defines base interface for calculating start and end date of daylight savings + template<class date_type> + class dst_day_calc_rule + { + public: + typedef typename date_type::year_type year_type; + virtual ~dst_day_calc_rule() {}; + virtual date_type start_day(year_type y) const=0; + virtual std::string start_rule_as_string() const=0; + virtual date_type end_day(year_type y) const=0; + virtual std::string end_rule_as_string() const=0; + + }; + + //! Canonical form for a class that provides day rule calculation + /*! This class is used to generate specific sets of dst rules + * + *@param spec Provides a specifiction of the function object types used + * to generate start and end days of daylight savings as well + * as the date type. + */ + template<class spec> + class day_calc_dst_rule : public dst_day_calc_rule<typename spec::date_type> + { + public: + typedef typename spec::date_type date_type; + typedef typename date_type::year_type year_type; + typedef typename spec::start_rule start_rule; + typedef typename spec::end_rule end_rule; + day_calc_dst_rule(start_rule dst_start, + end_rule dst_end) : + dst_start_(dst_start), + dst_end_(dst_end) + {} + virtual date_type start_day(year_type y) const + { + return dst_start_.get_date(y); + } + virtual std::string start_rule_as_string() const + { + return dst_start_.to_string(); + } + virtual date_type end_day(year_type y) const + { + return dst_end_.get_date(y); + } + virtual std::string end_rule_as_string() const + { + return dst_end_.to_string(); + } + private: + start_rule dst_start_; + end_rule dst_end_; + }; + + +} }//namespace + + + +#endif |