| Jeff Thompson | ef2d5a4 | 2013-08-22 19:09:24 -0700 | [diff] [blame] | 1 | // Boost.Range library |
| 2 | // |
| 3 | // Copyright Thorsten Ottosen 2003-2004. 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 | |
| Jeff Thompson | 3d613fd | 2013-10-15 15:39:04 -0700 | [diff] [blame] | 11 | #ifndef NDNBOOST_RANGE_DETAIL_COMMON_HPP |
| 12 | #define NDNBOOST_RANGE_DETAIL_COMMON_HPP |
| Jeff Thompson | ef2d5a4 | 2013-08-22 19:09:24 -0700 | [diff] [blame] | 13 | |
| 14 | #if defined(_MSC_VER) && (_MSC_VER >= 1200) |
| 15 | # pragma once |
| 16 | #endif |
| 17 | |
| 18 | #include <ndnboost/range/config.hpp> |
| 19 | #include <ndnboost/range/detail/sfinae.hpp> |
| 20 | #include <ndnboost/type_traits/is_void.hpp> |
| 21 | #include <ndnboost/type_traits/detail/ice_or.hpp> |
| 22 | #include <ndnboost/mpl/if.hpp> |
| 23 | #include <ndnboost/mpl/int.hpp> |
| 24 | #include <cstddef> |
| 25 | |
| 26 | ////////////////////////////////////////////////////////////////////////////// |
| 27 | // missing partial specialization workaround. |
| 28 | ////////////////////////////////////////////////////////////////////////////// |
| 29 | |
| 30 | namespace ndnboost |
| 31 | { |
| 32 | namespace range_detail |
| 33 | { |
| 34 | // 1 = std containers |
| 35 | // 2 = std::pair |
| 36 | // 3 = const std::pair |
| 37 | // 4 = array |
| 38 | // 5 = const array |
| 39 | // 6 = char array |
| 40 | // 7 = wchar_t array |
| 41 | // 8 = char* |
| 42 | // 9 = const char* |
| 43 | // 10 = whar_t* |
| 44 | // 11 = const wchar_t* |
| 45 | // 12 = string |
| 46 | |
| 47 | typedef mpl::int_<1>::type std_container_; |
| 48 | typedef mpl::int_<2>::type std_pair_; |
| 49 | typedef mpl::int_<3>::type const_std_pair_; |
| 50 | typedef mpl::int_<4>::type array_; |
| 51 | typedef mpl::int_<5>::type const_array_; |
| 52 | typedef mpl::int_<6>::type char_array_; |
| 53 | typedef mpl::int_<7>::type wchar_t_array_; |
| 54 | typedef mpl::int_<8>::type char_ptr_; |
| 55 | typedef mpl::int_<9>::type const_char_ptr_; |
| 56 | typedef mpl::int_<10>::type wchar_t_ptr_; |
| 57 | typedef mpl::int_<11>::type const_wchar_t_ptr_; |
| 58 | typedef mpl::int_<12>::type string_; |
| 59 | |
| 60 | template< typename C > |
| 61 | struct range_helper |
| 62 | { |
| 63 | static C* c; |
| 64 | static C ptr; |
| 65 | |
| Jeff Thompson | 3d613fd | 2013-10-15 15:39:04 -0700 | [diff] [blame] | 66 | NDNBOOST_STATIC_CONSTANT( bool, is_pair_ = sizeof( ndnboost::range_detail::is_pair_impl( c ) ) == sizeof( yes_type ) ); |
| 67 | NDNBOOST_STATIC_CONSTANT( bool, is_char_ptr_ = sizeof( ndnboost::range_detail::is_char_ptr_impl( ptr ) ) == sizeof( yes_type ) ); |
| 68 | NDNBOOST_STATIC_CONSTANT( bool, is_const_char_ptr_ = sizeof( ndnboost::range_detail::is_const_char_ptr_impl( ptr ) ) == sizeof( yes_type ) ); |
| 69 | NDNBOOST_STATIC_CONSTANT( bool, is_wchar_t_ptr_ = sizeof( ndnboost::range_detail::is_wchar_t_ptr_impl( ptr ) ) == sizeof( yes_type ) ); |
| 70 | NDNBOOST_STATIC_CONSTANT( bool, is_const_wchar_t_ptr_ = sizeof( ndnboost::range_detail::is_const_wchar_t_ptr_impl( ptr ) ) == sizeof( yes_type ) ); |
| 71 | NDNBOOST_STATIC_CONSTANT( bool, is_char_array_ = sizeof( ndnboost::range_detail::is_char_array_impl( ptr ) ) == sizeof( yes_type ) ); |
| 72 | NDNBOOST_STATIC_CONSTANT( bool, is_wchar_t_array_ = sizeof( ndnboost::range_detail::is_wchar_t_array_impl( ptr ) ) == sizeof( yes_type ) ); |
| 73 | NDNBOOST_STATIC_CONSTANT( bool, is_string_ = (ndnboost::type_traits::ice_or<is_const_char_ptr_, is_const_wchar_t_ptr_>::value )); |
| 74 | NDNBOOST_STATIC_CONSTANT( bool, is_array_ = ndnboost::is_array<C>::value ); |
| Jeff Thompson | ef2d5a4 | 2013-08-22 19:09:24 -0700 | [diff] [blame] | 75 | |
| 76 | }; |
| 77 | |
| 78 | template< typename C > |
| 79 | class range |
| 80 | { |
| Jeff Thompson | 3d613fd | 2013-10-15 15:39:04 -0700 | [diff] [blame] | 81 | typedef NDNBOOST_RANGE_DEDUCED_TYPENAME ndnboost::mpl::if_c< ::ndnboost::range_detail::range_helper<C>::is_pair_, |
| Jeff Thompson | ef2d5a4 | 2013-08-22 19:09:24 -0700 | [diff] [blame] | 82 | ndnboost::range_detail::std_pair_, |
| 83 | void >::type pair_t; |
| Jeff Thompson | 3d613fd | 2013-10-15 15:39:04 -0700 | [diff] [blame] | 84 | typedef NDNBOOST_RANGE_DEDUCED_TYPENAME ndnboost::mpl::if_c< ::ndnboost::range_detail::range_helper<C>::is_array_, |
| Jeff Thompson | ef2d5a4 | 2013-08-22 19:09:24 -0700 | [diff] [blame] | 85 | ndnboost::range_detail::array_, |
| 86 | pair_t >::type array_t; |
| Jeff Thompson | 3d613fd | 2013-10-15 15:39:04 -0700 | [diff] [blame] | 87 | typedef NDNBOOST_RANGE_DEDUCED_TYPENAME ndnboost::mpl::if_c< ::ndnboost::range_detail::range_helper<C>::is_string_, |
| Jeff Thompson | ef2d5a4 | 2013-08-22 19:09:24 -0700 | [diff] [blame] | 88 | ndnboost::range_detail::string_, |
| 89 | array_t >::type string_t; |
| Jeff Thompson | 3d613fd | 2013-10-15 15:39:04 -0700 | [diff] [blame] | 90 | typedef NDNBOOST_RANGE_DEDUCED_TYPENAME ndnboost::mpl::if_c< ::ndnboost::range_detail::range_helper<C>::is_const_char_ptr_, |
| Jeff Thompson | ef2d5a4 | 2013-08-22 19:09:24 -0700 | [diff] [blame] | 91 | ndnboost::range_detail::const_char_ptr_, |
| 92 | string_t >::type const_char_ptr_t; |
| Jeff Thompson | 3d613fd | 2013-10-15 15:39:04 -0700 | [diff] [blame] | 93 | typedef NDNBOOST_RANGE_DEDUCED_TYPENAME ndnboost::mpl::if_c< ::ndnboost::range_detail::range_helper<C>::is_char_ptr_, |
| Jeff Thompson | ef2d5a4 | 2013-08-22 19:09:24 -0700 | [diff] [blame] | 94 | ndnboost::range_detail::char_ptr_, |
| 95 | const_char_ptr_t >::type char_ptr_t; |
| Jeff Thompson | 3d613fd | 2013-10-15 15:39:04 -0700 | [diff] [blame] | 96 | typedef NDNBOOST_RANGE_DEDUCED_TYPENAME ndnboost::mpl::if_c< ::ndnboost::range_detail::range_helper<C>::is_const_wchar_t_ptr_, |
| Jeff Thompson | ef2d5a4 | 2013-08-22 19:09:24 -0700 | [diff] [blame] | 97 | ndnboost::range_detail::const_wchar_t_ptr_, |
| 98 | char_ptr_t >::type const_wchar_ptr_t; |
| Jeff Thompson | 3d613fd | 2013-10-15 15:39:04 -0700 | [diff] [blame] | 99 | typedef NDNBOOST_RANGE_DEDUCED_TYPENAME ndnboost::mpl::if_c< ::ndnboost::range_detail::range_helper<C>::is_wchar_t_ptr_, |
| Jeff Thompson | ef2d5a4 | 2013-08-22 19:09:24 -0700 | [diff] [blame] | 100 | ndnboost::range_detail::wchar_t_ptr_, |
| 101 | const_wchar_ptr_t >::type wchar_ptr_t; |
| Jeff Thompson | 3d613fd | 2013-10-15 15:39:04 -0700 | [diff] [blame] | 102 | typedef NDNBOOST_RANGE_DEDUCED_TYPENAME ndnboost::mpl::if_c< ::ndnboost::range_detail::range_helper<C>::is_wchar_t_array_, |
| Jeff Thompson | ef2d5a4 | 2013-08-22 19:09:24 -0700 | [diff] [blame] | 103 | ndnboost::range_detail::wchar_t_array_, |
| 104 | wchar_ptr_t >::type wchar_array_t; |
| Jeff Thompson | 3d613fd | 2013-10-15 15:39:04 -0700 | [diff] [blame] | 105 | typedef NDNBOOST_RANGE_DEDUCED_TYPENAME ndnboost::mpl::if_c< ::ndnboost::range_detail::range_helper<C>::is_char_array_, |
| Jeff Thompson | ef2d5a4 | 2013-08-22 19:09:24 -0700 | [diff] [blame] | 106 | ndnboost::range_detail::char_array_, |
| 107 | wchar_array_t >::type char_array_t; |
| 108 | public: |
| Jeff Thompson | 3d613fd | 2013-10-15 15:39:04 -0700 | [diff] [blame] | 109 | typedef NDNBOOST_RANGE_DEDUCED_TYPENAME ndnboost::mpl::if_c< ::ndnboost::is_void<char_array_t>::value, |
| Jeff Thompson | ef2d5a4 | 2013-08-22 19:09:24 -0700 | [diff] [blame] | 110 | ndnboost::range_detail::std_container_, |
| 111 | char_array_t >::type type; |
| 112 | }; // class 'range' |
| 113 | } |
| 114 | } |
| 115 | |
| 116 | #endif |
| 117 | |