1 | #ifndef GREG_YEAR_HPP___ |
2 | #define GREG_YEAR_HPP___ |
3 | |
4 | /* Copyright (c) 2002,2003 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 <stdexcept> |
14 | #include <string> |
15 | |
16 | namespace boost { |
17 | namespace gregorian { |
18 | |
19 | //! Exception type for gregorian year |
20 | struct bad_year : public std::out_of_range |
21 | { |
22 | bad_year() : |
23 | std::out_of_range(std::string("Year is out of valid range: 1400..10000" )) |
24 | {} |
25 | }; |
26 | //! Policy class that declares error handling gregorian year type |
27 | typedef CV::simple_exception_policy<unsigned short, 1400, 10000, bad_year> greg_year_policies; |
28 | |
29 | //! Generated representation for gregorian year |
30 | typedef CV::constrained_value<greg_year_policies> greg_year_rep; |
31 | |
32 | //! Represent a day of the month (range 1900 - 10000) |
33 | /*! This small class allows for simple conversion an integer value into |
34 | a year for the gregorian calendar. This currently only allows a |
35 | range of 1900 to 10000. Both ends of the range are a bit arbitrary |
36 | at the moment, but they are the limits of current testing of the |
37 | library. As such they may be increased in the future. |
38 | */ |
39 | class greg_year : public greg_year_rep { |
40 | public: |
41 | greg_year(unsigned short year) : greg_year_rep(year) {} |
42 | operator unsigned short() const {return value_;} |
43 | private: |
44 | |
45 | }; |
46 | |
47 | |
48 | |
49 | } } //namespace gregorian |
50 | |
51 | |
52 | |
53 | #endif |
54 | |