1#ifndef GREG_WEEKDAY_HPP___
2#define GREG_WEEKDAY_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, Bart Garst
9 * $Date$
10 */
11
12#include <boost/date_time/constrained_value.hpp>
13#include <boost/date_time/date_defs.hpp>
14#include <boost/date_time/compiler_config.hpp>
15#include <stdexcept>
16#include <string>
17
18namespace boost {
19namespace gregorian {
20
21 //bring enum values into the namespace
22 using date_time::Sunday;
23 using date_time::Monday;
24 using date_time::Tuesday;
25 using date_time::Wednesday;
26 using date_time::Thursday;
27 using date_time::Friday;
28 using date_time::Saturday;
29
30
31 //! Exception that flags that a weekday number is incorrect
32 struct BOOST_SYMBOL_VISIBLE bad_weekday : public std::out_of_range
33 {
34 bad_weekday() : std::out_of_range(std::string("Weekday is out of range 0..6")) {}
35 };
36 typedef CV::simple_exception_policy<unsigned short, 0, 6, bad_weekday> greg_weekday_policies;
37 typedef CV::constrained_value<greg_weekday_policies> greg_weekday_rep;
38
39
40 //! Represent a day within a week (range 0==Sun to 6==Sat)
41 class BOOST_SYMBOL_VISIBLE greg_weekday : public greg_weekday_rep {
42 public:
43 typedef boost::date_time::weekdays weekday_enum;
44 BOOST_CXX14_CONSTEXPR greg_weekday(value_type day_of_week_num) :
45 greg_weekday_rep(day_of_week_num)
46 {}
47
48 BOOST_CXX14_CONSTEXPR value_type as_number() const {return value_;}
49 BOOST_CXX14_CONSTEXPR weekday_enum as_enum() const {return static_cast<weekday_enum>(value_);}
50
51 //! Return a 3 digit english string of the day of week (eg: Sun)
52 const char* as_short_string() const
53 {
54 static const char* const short_weekday_names[]
55 = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
56
57 return short_weekday_names[value_];
58 }
59
60 //! Return a point to a long english string representing day of week
61 const char* as_long_string() const
62 {
63 static const char* const long_weekday_names[]
64 = {"Sunday","Monday","Tuesday","Wednesday", "Thursday", "Friday", "Saturday"};
65
66 return long_weekday_names[value_];
67 }
68
69
70#ifndef BOOST_NO_STD_WSTRING
71
72 //! Return a 3 digit english wchar_t string of the day of week (eg: Sun)
73 const wchar_t* as_short_wstring() const
74 {
75 static const wchar_t* const w_short_weekday_names[]={L"Sun", L"Mon", L"Tue",
76 L"Wed", L"Thu", L"Fri", L"Sat"};
77 return w_short_weekday_names[value_];
78 }
79
80 //! Return a point to a long english wchar_t string representing day of week
81 const wchar_t* as_long_wstring() const
82 {
83 static const wchar_t* const w_long_weekday_names[]= {L"Sunday",L"Monday",L"Tuesday",
84 L"Wednesday", L"Thursday",
85 L"Friday", L"Saturday"};
86 return w_long_weekday_names[value_];
87 }
88
89#endif // BOOST_NO_STD_WSTRING
90
91
92 };
93
94
95
96} } //namespace gregorian
97
98
99
100#endif
101

source code of boost/libs/date_time/include/boost/date_time/gregorian/greg_weekday.hpp