source: NonGTP/Boost/boost/date_time/gregorian/greg_day.hpp @ 857

Revision 857, 1.8 KB checked in by igarcia, 19 years ago (diff)
Line 
1#ifndef GREG_DAY_HPP___
2#define GREG_DAY_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 or http://www.boost.org/LICENSE-1.0)
8 * Author: Jeff Garland
9 * $Date: 2003/11/23 02:27:09 $
10 */
11
12#include "boost/date_time/constrained_value.hpp"
13#include <stdexcept>
14#include <string>
15
16namespace boost {
17namespace gregorian {
18
19  //! Exception type for gregorian day of month (1..31)
20  struct bad_day_of_month : public std::out_of_range
21  {
22    bad_day_of_month() :
23      std::out_of_range(std::string("Day of month value is out of range 1..31"))
24    {}
25    //! Allow other classes to throw with unique string for bad day like Feb 29
26    bad_day_of_month(const std::string& s) :
27      std::out_of_range(s)
28    {}
29  };
30  //! Policy class that declares error handling and day of month ranges
31  typedef CV::simple_exception_policy<unsigned short, 1, 31, bad_day_of_month> greg_day_policies;
32
33  //! Generated represetation for gregorian day of month
34  typedef CV::constrained_value<greg_day_policies> greg_day_rep;
35
36  //! Represent a day of the month (range 1 - 31)
37  /*! This small class allows for simple conversion an integer value into
38      a day of the month for a standard gregorian calendar.  The type
39      is automatically range checked so values outside of the range 1-31
40      will cause a bad_day_of_month exception
41  */
42  class greg_day : public greg_day_rep {
43  public:
44    greg_day(unsigned short day_of_month) : greg_day_rep(day_of_month) {}
45    unsigned short as_number() const {return value_;}
46    operator unsigned short()  const {return value_;}
47  private:
48   
49  };
50
51
52
53} } //namespace gregorian
54
55
56
57#endif
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