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1 | /*-----------------------------------------------------------------------------+ |
2 | Copyright (c) 2008-2009: Joachim Faulhaber | |
3 | +------------------------------------------------------------------------------+ | |
4 | Distributed under the Boost Software License, Version 1.0. | |
5 | (See accompanying file LICENCE.txt or copy at | |
6 | http://www.boost.org/LICENSE_1_0.txt) | |
7 | +-----------------------------------------------------------------------------*/ | |
8 | #ifndef BOOST_ICL_GREGORIAN_DATE_HPP_JOFA_080416 | |
9 | #define BOOST_ICL_GREGORIAN_DATE_HPP_JOFA_080416 | |
10 | ||
11 | #include <boost/icl/detail/boost_config.hpp> | |
12 | #include <boost/detail/workaround.hpp> | |
13 | ||
14 | #ifdef BOOST_MSVC | |
15 | #pragma warning(push) | |
16 | #pragma warning(disable:4100) // unreferenced formal parameter | |
17 | #pragma warning(disable:4127) // conditional expression is constant | |
18 | #pragma warning(disable:4244) // 'argument' : conversion from 'int' to 'unsigned short', possible loss of data | |
19 | #pragma warning(disable:4702) // boost\lexical_cast.hpp(1159) : warning C4702: unreachable code | |
20 | #pragma warning(disable:4996) // Function call with parameters that may be unsafe - this call relies on the caller to check that the passed values are correct. To disable this warning, use -D_SCL_SECURE_NO_WARNINGS. See documentation on how to use Visual C++ 'Checked Iterators' | |
21 | #endif | |
22 | ||
23 | #include <stdio.h> | |
24 | #include <string> | |
25 | #include <sstream> | |
26 | #include <iostream> | |
27 | #include <boost/date_time/gregorian/gregorian.hpp> | |
28 | ||
29 | #ifdef BOOST_MSVC | |
30 | #pragma warning(pop) | |
31 | #endif | |
32 | ||
33 | #include <boost/icl/type_traits/identity_element.hpp> | |
34 | #include <boost/icl/type_traits/is_discrete.hpp> | |
35 | #include <boost/icl/type_traits/difference_type_of.hpp> | |
36 | #include <boost/icl/type_traits/size_type_of.hpp> | |
37 | ||
38 | namespace boost{namespace icl | |
39 | { | |
40 | template<> struct is_discrete<boost::gregorian::date> | |
41 | { | |
42 | typedef is_discrete type; | |
43 | BOOST_STATIC_CONSTANT(bool, value = true); | |
44 | }; | |
45 | ||
46 | template<> | |
47 | inline boost::gregorian::date identity_element<boost::gregorian::date>::value() | |
48 | { | |
49 | return boost::gregorian::date(boost::gregorian::min_date_time); | |
50 | } | |
51 | ||
52 | template<> | |
53 | struct identity_element<boost::gregorian::date_duration> | |
54 | { | |
55 | static boost::gregorian::date_duration value() | |
56 | { | |
57 | return boost::gregorian::date(boost::gregorian::min_date_time) | |
58 | - boost::gregorian::date(boost::gregorian::min_date_time); | |
59 | } | |
60 | }; | |
61 | ||
62 | template<> | |
63 | struct has_difference<boost::gregorian::date> | |
64 | { | |
65 | typedef has_difference type; | |
66 | BOOST_STATIC_CONSTANT(bool, value = true); | |
67 | }; | |
68 | ||
69 | template<> | |
70 | struct difference_type_of<boost::gregorian::date> | |
71 | { typedef boost::gregorian::date_duration type; }; | |
72 | ||
73 | template<> | |
74 | struct size_type_of<boost::gregorian::date> | |
75 | { typedef boost::gregorian::date_duration type; }; | |
76 | ||
77 | ||
78 | ||
79 | // ------------------------------------------------------------------------ | |
80 | inline boost::gregorian::date operator ++(boost::gregorian::date& x) | |
81 | { | |
82 | return x += boost::gregorian::date::duration_type::unit(); | |
83 | } | |
84 | ||
85 | inline boost::gregorian::date operator --(boost::gregorian::date& x) | |
86 | { | |
87 | return x -= boost::gregorian::date::duration_type::unit(); | |
88 | } | |
89 | ||
90 | // ------------------------------------------------------------------------ | |
91 | template<> struct is_discrete<boost::gregorian::date_duration> | |
92 | { | |
93 | typedef is_discrete type; | |
94 | BOOST_STATIC_CONSTANT(bool, value = true); | |
95 | }; | |
96 | ||
97 | template<> | |
98 | struct has_difference<boost::gregorian::date_duration> | |
99 | { | |
100 | typedef has_difference type; | |
101 | BOOST_STATIC_CONSTANT(bool, value = true); | |
102 | }; | |
103 | ||
104 | template<> | |
105 | struct size_type_of<boost::gregorian::date_duration> | |
106 | { | |
107 | typedef boost::gregorian::date_duration type; | |
108 | }; | |
109 | ||
110 | inline boost::gregorian::date_duration operator ++(boost::gregorian::date_duration& x) | |
111 | { | |
112 | return x += boost::gregorian::date::duration_type::unit(); | |
113 | } | |
114 | ||
115 | inline boost::gregorian::date_duration operator --(boost::gregorian::date_duration& x) | |
116 | { | |
117 | return x -= boost::gregorian::date::duration_type::unit(); | |
118 | } | |
119 | ||
120 | // ------------------------------------------------------------------------ | |
121 | ||
122 | ||
123 | }} // namespace icl boost | |
124 | ||
125 | #endif | |
126 | ||
127 |