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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 | ||
9 | /*------------------------------------------------------------------------------ | |
10 | itl_ptime provides adapter code for boost::posix_time::ptime. | |
11 | It implements incrementation (++) decrementation (--) and a neutral element | |
12 | w.r.t. addition (identity_element()). | |
13 | ------------------------------------------------------------------------------*/ | |
14 | ||
15 | #ifndef BOOST_ICL_PTIME_HPP_JOFA_080416 | |
16 | #define BOOST_ICL_PTIME_HPP_JOFA_080416 | |
17 | ||
18 | #include <boost/icl/detail/boost_config.hpp> | |
19 | #include <boost/detail/workaround.hpp> | |
20 | ||
21 | #ifdef BOOST_MSVC | |
22 | #pragma warning(push) | |
23 | #pragma warning(disable:4100) // boost/date_time/time.hpp(80) : warning C4100: 'as_offset' : unreferenced formal parameter | |
24 | #pragma warning(disable:4127) // conditional expression is constant | |
25 | #pragma warning(disable:4244) // 'argument' : conversion from 'int' to 'unsigned short', possible loss of data | |
26 | #pragma warning(disable:4702) // boost\lexical_cast.hpp(1159) : warning C4702: unreachable code | |
27 | #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' | |
28 | #endif | |
29 | ||
30 | #include <stdio.h> | |
31 | #include <string> | |
32 | #include <sstream> | |
33 | #include <iostream> | |
34 | #include <boost/date_time/posix_time/posix_time.hpp> | |
35 | ||
36 | #ifdef BOOST_MSVC | |
37 | #pragma warning(pop) | |
38 | #endif | |
39 | ||
40 | #include <boost/icl/type_traits/identity_element.hpp> | |
41 | #include <boost/icl/type_traits/difference_type_of.hpp> | |
42 | #include <boost/icl/type_traits/size_type_of.hpp> | |
43 | #include <boost/icl/type_traits/is_discrete.hpp> | |
44 | ||
45 | namespace boost{namespace icl | |
46 | { | |
47 | template<> struct is_discrete<boost::posix_time::ptime> | |
48 | { | |
49 | typedef is_discrete type; | |
50 | BOOST_STATIC_CONSTANT(bool, value = true); | |
51 | }; | |
52 | ||
53 | template<> | |
54 | inline boost::posix_time::ptime identity_element<boost::posix_time::ptime>::value() | |
55 | { | |
56 | return boost::posix_time::ptime(boost::posix_time::min_date_time); | |
57 | } | |
58 | ||
59 | template<> | |
60 | struct has_difference<boost::posix_time::ptime> | |
61 | { | |
62 | typedef has_difference type; | |
63 | BOOST_STATIC_CONSTANT(bool, value = true); | |
64 | }; | |
65 | ||
66 | template<> | |
67 | struct difference_type_of<boost::posix_time::ptime> | |
68 | { | |
69 | typedef boost::posix_time::time_duration type; | |
70 | }; | |
71 | ||
72 | template<> | |
73 | struct size_type_of<boost::posix_time::ptime> | |
74 | { | |
75 | typedef boost::posix_time::time_duration type; | |
76 | }; | |
77 | ||
78 | // ------------------------------------------------------------------------ | |
79 | inline boost::posix_time::ptime operator ++(boost::posix_time::ptime& x) | |
80 | { | |
81 | return x += boost::posix_time::ptime::time_duration_type::unit(); | |
82 | } | |
83 | ||
84 | inline boost::posix_time::ptime operator --(boost::posix_time::ptime& x) | |
85 | { | |
86 | return x -= boost::posix_time::ptime::time_duration_type::unit(); | |
87 | } | |
88 | ||
89 | // ------------------------------------------------------------------------ | |
90 | template<> struct is_discrete<boost::posix_time::time_duration> | |
91 | { | |
92 | typedef is_discrete type; | |
93 | BOOST_STATIC_CONSTANT(bool, value = true); | |
94 | }; | |
95 | ||
96 | template<> | |
97 | struct has_difference<boost::posix_time::time_duration> | |
98 | { | |
99 | typedef has_difference type; | |
100 | BOOST_STATIC_CONSTANT(bool, value = true); | |
101 | }; | |
102 | ||
103 | template<> | |
104 | struct size_type_of<boost::posix_time::time_duration> | |
105 | { | |
106 | typedef boost::posix_time::time_duration type; | |
107 | }; | |
108 | ||
109 | inline boost::posix_time::time_duration operator ++(boost::posix_time::time_duration& x) | |
110 | { | |
111 | return x += boost::posix_time::ptime::time_duration_type::unit(); | |
112 | } | |
113 | ||
114 | inline boost::posix_time::time_duration operator --(boost::posix_time::time_duration& x) | |
115 | { | |
116 | return x -= boost::posix_time::ptime::time_duration_type::unit(); | |
117 | } | |
118 | }} // namespace icl boost | |
119 | ||
120 | #endif | |
121 | ||
122 |