| #ifndef GREG_DAY_HPP___ |
| #define GREG_DAY_HPP___ |
| |
| /* Copyright (c) 2002,2003 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 |
| * $Date: 2008-02-27 15:00:24 -0500 (Wed, 27 Feb 2008) $ |
| */ |
| |
| #include "boost/date_time/constrained_value.hpp" |
| #include <stdexcept> |
| #include <string> |
| |
| namespace boost { |
| namespace gregorian { |
| |
| //! Exception type for gregorian day of month (1..31) |
| struct bad_day_of_month : public std::out_of_range |
| { |
| bad_day_of_month() : |
| std::out_of_range(std::string("Day of month value is out of range 1..31")) |
| {} |
| //! Allow other classes to throw with unique string for bad day like Feb 29 |
| bad_day_of_month(const std::string& s) : |
| std::out_of_range(s) |
| {} |
| }; |
| //! Policy class that declares error handling and day of month ranges |
| typedef CV::simple_exception_policy<unsigned short, 1, 31, bad_day_of_month> greg_day_policies; |
| |
| //! Generated represetation for gregorian day of month |
| typedef CV::constrained_value<greg_day_policies> greg_day_rep; |
| |
| //! Represent a day of the month (range 1 - 31) |
| /*! This small class allows for simple conversion an integer value into |
| a day of the month for a standard gregorian calendar. The type |
| is automatically range checked so values outside of the range 1-31 |
| will cause a bad_day_of_month exception |
| */ |
| class greg_day : public greg_day_rep { |
| public: |
| greg_day(unsigned short day_of_month) : greg_day_rep(day_of_month) {} |
| unsigned short as_number() const {return value_;} |
| operator unsigned short() const {return value_;} |
| private: |
| |
| }; |
| |
| |
| |
| } } //namespace gregorian |
| |
| |
| |
| #endif |