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 | { |
23 | 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 |
27 | 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: |
45 | BOOST_CXX14_CONSTEXPR greg_day(value_type day_of_month) : greg_day_rep(day_of_month) {} |
46 | BOOST_CXX14_CONSTEXPR value_type as_number() const {return value_;} |
47 | 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 |