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gerrit.named-data.net / ndnSIM / ndn-cxx / 3d613fd81140b852545e173032a17208882e8b6b / . / include / ndnboost / range / detail / remove_extent.hpp
blob: dee0e348907f5635e790d2b3bd1867abecb48db3 [file] [log] [blame]
Jeff Thompsonef2d5a42013-08-22 19:09:24 -0700[diff] [blame]1// Boost.Range library
2//
3// Copyright Jonathan Turkanis 2005. Use, modification and
4// distribution is subject to the Boost Software License, Version
5// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
6// http://www.boost.org/LICENSE_1_0.txt)
7//
8// For more information, see http://www.boost.org/libs/range/
9//
10
11
Jeff Thompson3d613fd2013-10-15 15:39:04 -0700[diff] [blame^]12#ifndef NDNBOOST_RANGE_DETAIL_REMOVE_BOUNDS_HPP
13#define NDNBOOST_RANGE_DETAIL_REMOVE_BOUNDS_HPP
Jeff Thompsonef2d5a42013-08-22 19:09:24 -0700[diff] [blame]14
15#include <ndnboost/config.hpp> // MSVC, NO_INTRINSIC_WCHAR_T, put size_t in std.
16#include <cstddef>
17#include <ndnboost/mpl/eval_if.hpp>
18#include <ndnboost/mpl/identity.hpp>
19#include <ndnboost/type_traits/is_same.hpp>
20
21namespace ndnboost
22{
23 namespace range_detail
24 {
25
26 template< typename Case1 = mpl::true_,
27 typename Type1 = mpl::void_,
28 typename Case2 = mpl::true_,
29 typename Type2 = mpl::void_,
30 typename Case3 = mpl::true_,
31 typename Type3 = mpl::void_,
32 typename Case4 = mpl::true_,
33 typename Type4 = mpl::void_,
34 typename Case5 = mpl::true_,
35 typename Type5 = mpl::void_,
36 typename Case6 = mpl::true_,
37 typename Type6 = mpl::void_,
38 typename Case7 = mpl::true_,
39 typename Type7 = mpl::void_,
40 typename Case8 = mpl::true_,
41 typename Type8 = mpl::void_,
42 typename Case9 = mpl::true_,
43 typename Type9 = mpl::void_,
44 typename Case10 = mpl::true_,
45 typename Type10 = mpl::void_,
46 typename Case11 = mpl::true_,
47 typename Type11 = mpl::void_,
48 typename Case12 = mpl::true_,
49 typename Type12 = mpl::void_,
50 typename Case13 = mpl::true_,
51 typename Type13 = mpl::void_,
52 typename Case14 = mpl::true_,
53 typename Type14 = mpl::void_,
54 typename Case15 = mpl::true_,
55 typename Type15 = mpl::void_,
56 typename Case16 = mpl::true_,
57 typename Type16 = mpl::void_,
58 typename Case17 = mpl::true_,
59 typename Type17 = mpl::void_,
60 typename Case18 = mpl::true_,
61 typename Type18 = mpl::void_,
62 typename Case19 = mpl::true_,
63 typename Type19 = mpl::void_,
64 typename Case20 = mpl::true_,
65 typename Type20 = mpl::void_>
66 struct select {
67 typedef typename
68 mpl::eval_if<
69 Case1, mpl::identity<Type1>, mpl::eval_if<
70 Case2, mpl::identity<Type2>, mpl::eval_if<
71 Case3, mpl::identity<Type3>, mpl::eval_if<
72 Case4, mpl::identity<Type4>, mpl::eval_if<
73 Case5, mpl::identity<Type5>, mpl::eval_if<
74 Case6, mpl::identity<Type6>, mpl::eval_if<
75 Case7, mpl::identity<Type7>, mpl::eval_if<
76 Case8, mpl::identity<Type8>, mpl::eval_if<
77 Case9, mpl::identity<Type9>, mpl::if_<
78 Case10, Type10, mpl::void_ > > > > > > > > >
79 >::type result1;
80 typedef typename
81 mpl::eval_if<
82 Case11, mpl::identity<Type11>, mpl::eval_if<
83 Case12, mpl::identity<Type12>, mpl::eval_if<
84 Case13, mpl::identity<Type13>, mpl::eval_if<
85 Case14, mpl::identity<Type14>, mpl::eval_if<
86 Case15, mpl::identity<Type15>, mpl::eval_if<
87 Case16, mpl::identity<Type16>, mpl::eval_if<
88 Case17, mpl::identity<Type17>, mpl::eval_if<
89 Case18, mpl::identity<Type18>, mpl::eval_if<
90 Case19, mpl::identity<Type19>, mpl::if_<
91 Case20, Type20, mpl::void_ > > > > > > > > >
92 > result2;
93 typedef typename
94 mpl::eval_if<
95 is_same<result1, mpl::void_>,
96 result2,
97 mpl::identity<result1>
98 >::type type;
99 };
100
101 template<typename T>
102 struct remove_extent {
103 static T* ar;
Jeff Thompson3d613fd2013-10-15 15:39:04 -0700[diff] [blame^]104 NDNBOOST_STATIC_CONSTANT(std::size_t, size = sizeof(*ar) / sizeof((*ar)[0]));
Jeff Thompsonef2d5a42013-08-22 19:09:24 -0700[diff] [blame]105
106 typedef typename
107 select<
108 is_same<T, bool[size]>, bool,
109 is_same<T, char[size]>, char,
110 is_same<T, signed char[size]>, signed char,
111 is_same<T, unsigned char[size]>, unsigned char,
Jeff Thompson3d613fd2013-10-15 15:39:04 -0700[diff] [blame^]112 #ifndef NDNBOOST_NO_INTRINSIC_WCHAR_T
Jeff Thompsonef2d5a42013-08-22 19:09:24 -0700[diff] [blame]113 is_same<T, wchar_t[size]>, wchar_t,
114 #endif
115 is_same<T, short[size]>, short,
116 is_same<T, unsigned short[size]>, unsigned short,
117 is_same<T, int[size]>, int,
118 is_same<T, unsigned int[size]>, unsigned int,
119 is_same<T, long[size]>, long,
120 is_same<T, unsigned long[size]>, unsigned long,
121 is_same<T, float[size]>, float,
122 is_same<T, double[size]>, double,
123 is_same<T, long double[size]>, long double
124 >::type result1;
125 typedef typename
126 select<
127 is_same<T, const bool[size]>, const bool,
128 is_same<T, const char[size]>, const char,
129 is_same<T, const signed char[size]>, const signed char,
130 is_same<T, const unsigned char[size]>, const unsigned char,
Jeff Thompson3d613fd2013-10-15 15:39:04 -0700[diff] [blame^]131 #ifndef NDNBOOST_NO_INTRINSIC_WCHAR_T
Jeff Thompsonef2d5a42013-08-22 19:09:24 -0700[diff] [blame]132 is_same<T, const wchar_t[size]>, const wchar_t,
133 #endif
134 is_same<T, const short[size]>, const short,
135 is_same<T, const unsigned short[size]>, const unsigned short,
136 is_same<T, const int[size]>, const int,
137 is_same<T, const unsigned int[size]>, const unsigned int,
138 is_same<T, const long[size]>, const long,
139 is_same<T, const unsigned long[size]>, const unsigned long,
140 is_same<T, const float[size]>, const float,
141 is_same<T, const double[size]>, const double,
142 is_same<T, const long double[size]>, const long double
143 > result2;
144 typedef typename
145 mpl::eval_if<
146 is_same<result1, mpl::void_>,
147 result2,
148 mpl::identity<result1>
149 >::type type;
150 };
151
152 } // namespace 'range_detail'
153
154} // namespace 'boost'
155
156
157#endif