| #ifndef GREG_YEAR_HPP___ |
| #define GREG_YEAR_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 year |
| struct bad_year : public std::out_of_range |
| { |
| bad_year() : |
| std::out_of_range(std::string("Year is out of valid range: 1400..10000")) |
| {} |
| }; |
| //! Policy class that declares error handling gregorian year type |
| typedef CV::simple_exception_policy<unsigned short, 1400, 10000, bad_year> greg_year_policies; |
| |
| //! Generated representation for gregorian year |
| typedef CV::constrained_value<greg_year_policies> greg_year_rep; |
| |
| //! Represent a day of the month (range 1900 - 10000) |
| /*! This small class allows for simple conversion an integer value into |
| a year for the gregorian calendar. This currently only allows a |
| range of 1900 to 10000. Both ends of the range are a bit arbitrary |
| at the moment, but they are the limits of current testing of the |
| library. As such they may be increased in the future. |
| */ |
| class greg_year : public greg_year_rep { |
| public: |
| greg_year(unsigned short year) : greg_year_rep(year) {} |
| operator unsigned short() const {return value_;} |
| private: |
| |
| }; |
| |
| |
| |
| } } //namespace gregorian |
| |
| |
| |
| #endif |