Chris@16: #ifndef GREG_DAY_HPP___
Chris@16: #define GREG_DAY_HPP___
Chris@16: 
Chris@16: /* Copyright (c) 2002,2003 CrystalClear Software, Inc.
Chris@16:  * Use, modification and distribution is subject to the 
Chris@16:  * Boost Software License, Version 1.0. (See accompanying
Chris@16:  * file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)
Chris@16:  * Author: Jeff Garland 
Chris@101:  * $Date$
Chris@16:  */
Chris@16: 
Chris@16: #include "boost/date_time/constrained_value.hpp"
Chris@16: #include <stdexcept>
Chris@16: #include <string>
Chris@16: 
Chris@16: namespace boost {
Chris@16: namespace gregorian {
Chris@16: 
Chris@16:   //! Exception type for gregorian day of month (1..31)
Chris@16:   struct bad_day_of_month : public std::out_of_range
Chris@16:   {
Chris@16:     bad_day_of_month() : 
Chris@16:       std::out_of_range(std::string("Day of month value is out of range 1..31")) 
Chris@16:     {}
Chris@16:     //! Allow other classes to throw with unique string for bad day like Feb 29
Chris@16:     bad_day_of_month(const std::string& s) : 
Chris@16:       std::out_of_range(s) 
Chris@16:     {}
Chris@16:   };
Chris@16:   //! Policy class that declares error handling and day of month ranges
Chris@16:   typedef CV::simple_exception_policy<unsigned short, 1, 31, bad_day_of_month> greg_day_policies;
Chris@16: 
Chris@16:   //! Generated represetation for gregorian day of month
Chris@16:   typedef CV::constrained_value<greg_day_policies> greg_day_rep;
Chris@16: 
Chris@16:   //! Represent a day of the month (range 1 - 31) 
Chris@16:   /*! This small class allows for simple conversion an integer value into
Chris@16:       a day of the month for a standard gregorian calendar.  The type 
Chris@16:       is automatically range checked so values outside of the range 1-31
Chris@16:       will cause a bad_day_of_month exception
Chris@16:   */
Chris@16:   class greg_day : public greg_day_rep {
Chris@16:   public:
Chris@16:     greg_day(unsigned short day_of_month) : greg_day_rep(day_of_month) {}
Chris@16:     unsigned short as_number() const {return value_;}
Chris@16:     operator unsigned short()  const {return value_;}
Chris@16:   private:
Chris@16:     
Chris@16:   };
Chris@16: 
Chris@16: 
Chris@16: 
Chris@16: } } //namespace gregorian
Chris@16: 
Chris@16: 
Chris@16: 
Chris@16: #endif