1 #ifndef GREG_DAY_HPP___ 2 #define GREG_DAY_HPP___ 3 4 /* Copyright (c) 2002,2003,2020 CrystalClear Software, Inc. 5 * Use, modification and distribution is subject to the 6 * Boost Software License, Version 1.0. (See accompanying 7 * file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt) 8 * Author: Jeff Garland 9 * $Date$ 10 */ 11 12 #include <boost/date_time/constrained_value.hpp> 13 #include <boost/date_time/compiler_config.hpp> 14 #include <stdexcept> 15 #include <string> 16 17 namespace boost { 18 namespace gregorian { 19 20 //! Exception type for gregorian day of month (1..31) 21 struct BOOST_SYMBOL_VISIBLE bad_day_of_month : public std::out_of_range 22 { bad_day_of_monthboost::gregorian::bad_day_of_month23 bad_day_of_month() : 24 std::out_of_range(std::string("Day of month value is out of range 1..31")) 25 {} 26 //! Allow other classes to throw with unique string for bad day like Feb 29 bad_day_of_monthboost::gregorian::bad_day_of_month27 bad_day_of_month(const std::string& s) : 28 std::out_of_range(s) 29 {} 30 }; 31 //! Policy class that declares error handling and day of month ranges 32 typedef CV::simple_exception_policy<unsigned short, 1, 31, bad_day_of_month> greg_day_policies; 33 34 //! Generated represetation for gregorian day of month 35 typedef CV::constrained_value<greg_day_policies> greg_day_rep; 36 37 //! Represent a day of the month (range 1 - 31) 38 /*! This small class allows for simple conversion an integer value into 39 a day of the month for a standard gregorian calendar. The type 40 is automatically range checked so values outside of the range 1-31 41 will cause a bad_day_of_month exception 42 */ 43 class BOOST_SYMBOL_VISIBLE greg_day : public greg_day_rep { 44 public: greg_day(value_type day_of_month)45 BOOST_CXX14_CONSTEXPR greg_day(value_type day_of_month) : greg_day_rep(day_of_month) {} as_number() const46 BOOST_CXX14_CONSTEXPR value_type as_number() const {return value_;} operator value_type() const47 BOOST_CXX14_CONSTEXPR operator value_type() const {return value_;} 48 private: 49 50 }; 51 52 53 54 } } //namespace gregorian 55 56 57 58 #endif 59