[1022] | 1 | #ifndef GREG_DAY_HPP___ |
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| 2 | #define GREG_DAY_HPP___ |
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| 3 | |
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| 4 | /* Copyright (c) 2002,2003 CrystalClear Software, Inc. |
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| 5 | * Use, modification and distribution is subject to the |
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| 6 | * Boost Software License, Version 1.0. (See accompanying |
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| 7 | * file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt) |
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| 8 | * Author: Jeff Garland |
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| 9 | * $Date: 2008-02-27 15:00:24 -0500 (Wed, 27 Feb 2008) $ |
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| 10 | */ |
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| 11 | |
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| 12 | #include "boost/date_time/constrained_value.hpp" |
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| 13 | #include <stdexcept> |
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| 14 | #include <string> |
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| 15 | |
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| 16 | namespace boost { |
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| 17 | namespace gregorian { |
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| 18 | |
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| 19 | //! Exception type for gregorian day of month (1..31) |
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| 20 | struct bad_day_of_month : public std::out_of_range |
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| 21 | { |
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| 22 | bad_day_of_month() : |
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| 23 | std::out_of_range(std::string("Day of month value is out of range 1..31")) |
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| 24 | {} |
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| 25 | //! Allow other classes to throw with unique string for bad day like Feb 29 |
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| 26 | bad_day_of_month(const std::string& s) : |
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| 27 | std::out_of_range(s) |
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| 28 | {} |
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| 29 | }; |
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| 30 | //! Policy class that declares error handling and day of month ranges |
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| 31 | typedef CV::simple_exception_policy<unsigned short, 1, 31, bad_day_of_month> greg_day_policies; |
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| 32 | |
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| 33 | //! Generated represetation for gregorian day of month |
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| 34 | typedef CV::constrained_value<greg_day_policies> greg_day_rep; |
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| 35 | |
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| 36 | //! Represent a day of the month (range 1 - 31) |
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| 37 | /*! This small class allows for simple conversion an integer value into |
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| 38 | a day of the month for a standard gregorian calendar. The type |
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| 39 | is automatically range checked so values outside of the range 1-31 |
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| 40 | will cause a bad_day_of_month exception |
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| 41 | */ |
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| 42 | class greg_day : public greg_day_rep { |
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| 43 | public: |
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| 44 | greg_day(unsigned short day_of_month) : greg_day_rep(day_of_month) {} |
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| 45 | unsigned short as_number() const {return value_;} |
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| 46 | operator unsigned short() const {return value_;} |
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| 47 | private: |
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| 48 | |
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| 49 | }; |
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| 50 | |
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| 51 | |
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| 52 | |
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| 53 | } } //namespace gregorian |
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| 54 | |
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| 55 | |
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| 56 | |
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| 57 | #endif |
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