]>
Commit | Line | Data |
---|---|---|
7c673cae FG |
1 | #ifndef GREG_MONTH_HPP___ |
2 | #define GREG_MONTH_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, 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/shared_ptr.hpp" | |
15 | #include "boost/date_time/compiler_config.hpp" | |
16 | #include <stdexcept> | |
17 | #include <string> | |
18 | #include <map> | |
19 | #include <algorithm> | |
20 | #include <cctype> | |
21 | ||
22 | namespace boost { | |
23 | namespace gregorian { | |
24 | ||
25 | typedef date_time::months_of_year months_of_year; | |
26 | ||
27 | //bring enum values into the namespace | |
28 | using date_time::Jan; | |
29 | using date_time::Feb; | |
30 | using date_time::Mar; | |
31 | using date_time::Apr; | |
32 | using date_time::May; | |
33 | using date_time::Jun; | |
34 | using date_time::Jul; | |
35 | using date_time::Aug; | |
36 | using date_time::Sep; | |
37 | using date_time::Oct; | |
38 | using date_time::Nov; | |
39 | using date_time::Dec; | |
40 | using date_time::NotAMonth; | |
41 | using date_time::NumMonths; | |
42 | ||
43 | //! Exception thrown if a greg_month is constructed with a value out of range | |
44 | struct bad_month : public std::out_of_range | |
45 | { | |
46 | bad_month() : std::out_of_range(std::string("Month number is out of range 1..12")) {} | |
47 | }; | |
48 | //! Build a policy class for the greg_month_rep | |
49 | typedef CV::simple_exception_policy<unsigned short, 1, 12, bad_month> greg_month_policies; | |
50 | //! A constrained range that implements the gregorian_month rules | |
51 | typedef CV::constrained_value<greg_month_policies> greg_month_rep; | |
52 | ||
53 | ||
54 | //! Wrapper class to represent months in gregorian based calendar | |
55 | class BOOST_DATE_TIME_DECL greg_month : public greg_month_rep { | |
56 | public: | |
57 | typedef date_time::months_of_year month_enum; | |
58 | typedef std::map<std::string, unsigned short> month_map_type; | |
59 | typedef boost::shared_ptr<month_map_type> month_map_ptr_type; | |
60 | //! Construct a month from the months_of_year enumeration | |
61 | greg_month(month_enum theMonth) : | |
62 | greg_month_rep(static_cast<greg_month_rep::value_type>(theMonth)) {} | |
63 | //! Construct from a short value | |
64 | greg_month(unsigned short theMonth) : greg_month_rep(theMonth) {} | |
65 | //! Convert the value back to a short | |
66 | operator unsigned short() const {return value_;} | |
67 | //! Returns month as number from 1 to 12 | |
68 | unsigned short as_number() const {return value_;} | |
69 | month_enum as_enum() const {return static_cast<month_enum>(value_);} | |
70 | const char* as_short_string() const; | |
71 | const char* as_long_string() const; | |
72 | #ifndef BOOST_NO_STD_WSTRING | |
73 | const wchar_t* as_short_wstring() const; | |
74 | const wchar_t* as_long_wstring() const; | |
75 | #endif // BOOST_NO_STD_WSTRING | |
76 | //! Shared pointer to a map of Month strings (Names & Abbrev) & numbers | |
77 | static month_map_ptr_type get_month_map_ptr(); | |
78 | ||
79 | /* parameterized as_*_string functions are intended to be called | |
80 | * from a template function: "... as_short_string(charT c='\0');" */ | |
81 | const char* as_short_string(char) const | |
82 | { | |
83 | return as_short_string(); | |
84 | } | |
85 | const char* as_long_string(char) const | |
86 | { | |
87 | return as_long_string(); | |
88 | } | |
89 | #ifndef BOOST_NO_STD_WSTRING | |
90 | const wchar_t* as_short_string(wchar_t) const | |
91 | { | |
92 | return as_short_wstring(); | |
93 | } | |
94 | const wchar_t* as_long_string(wchar_t) const | |
95 | { | |
96 | return as_long_wstring(); | |
97 | } | |
98 | #endif // BOOST_NO_STD_WSTRING | |
99 | }; | |
100 | ||
101 | } } //namespace gregorian | |
102 | ||
103 | ||
104 | ||
105 | #endif |