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117 lines
6.6 KiB
117 lines
6.6 KiB
// Boost.Range library |
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// |
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// Copyright Thorsten Ottosen 2003-2004. Use, modification and |
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// distribution is subject to the Boost Software License, Version |
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// 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
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// http://www.boost.org/LICENSE_1_0.txt) |
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// |
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// For more information, see http://www.boost.org/libs/range/ |
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// |
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#ifndef BOOST_RANGE_DETAIL_COMMON_HPP |
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#define BOOST_RANGE_DETAIL_COMMON_HPP |
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#if defined(_MSC_VER) && (_MSC_VER >= 1200) |
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# pragma once |
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#endif |
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#include <boost/range/config.hpp> |
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#include <boost/range/detail/sfinae.hpp> |
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#include <boost/type_traits/is_void.hpp> |
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#include <boost/type_traits/detail/ice_or.hpp> |
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#include <boost/mpl/if.hpp> |
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#include <boost/mpl/int.hpp> |
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#include <cstddef> |
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////////////////////////////////////////////////////////////////////////////// |
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// missing partial specialization workaround. |
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////////////////////////////////////////////////////////////////////////////// |
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namespace boost |
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{ |
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namespace range_detail |
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{ |
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// 1 = std containers |
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// 2 = std::pair |
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// 3 = const std::pair |
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// 4 = array |
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// 5 = const array |
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// 6 = char array |
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// 7 = wchar_t array |
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// 8 = char* |
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// 9 = const char* |
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// 10 = whar_t* |
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// 11 = const wchar_t* |
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// 12 = string |
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typedef mpl::int_<1>::type std_container_; |
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typedef mpl::int_<2>::type std_pair_; |
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typedef mpl::int_<3>::type const_std_pair_; |
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typedef mpl::int_<4>::type array_; |
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typedef mpl::int_<5>::type const_array_; |
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typedef mpl::int_<6>::type char_array_; |
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typedef mpl::int_<7>::type wchar_t_array_; |
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typedef mpl::int_<8>::type char_ptr_; |
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typedef mpl::int_<9>::type const_char_ptr_; |
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typedef mpl::int_<10>::type wchar_t_ptr_; |
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typedef mpl::int_<11>::type const_wchar_t_ptr_; |
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typedef mpl::int_<12>::type string_; |
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template< typename C > |
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struct range_helper |
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{ |
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static C* c; |
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static C ptr; |
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BOOST_STATIC_CONSTANT( bool, is_pair_ = sizeof( boost::range_detail::is_pair_impl( c ) ) == sizeof( yes_type ) ); |
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BOOST_STATIC_CONSTANT( bool, is_char_ptr_ = sizeof( boost::range_detail::is_char_ptr_impl( ptr ) ) == sizeof( yes_type ) ); |
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BOOST_STATIC_CONSTANT( bool, is_const_char_ptr_ = sizeof( boost::range_detail::is_const_char_ptr_impl( ptr ) ) == sizeof( yes_type ) ); |
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BOOST_STATIC_CONSTANT( bool, is_wchar_t_ptr_ = sizeof( boost::range_detail::is_wchar_t_ptr_impl( ptr ) ) == sizeof( yes_type ) ); |
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BOOST_STATIC_CONSTANT( bool, is_const_wchar_t_ptr_ = sizeof( boost::range_detail::is_const_wchar_t_ptr_impl( ptr ) ) == sizeof( yes_type ) ); |
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BOOST_STATIC_CONSTANT( bool, is_char_array_ = sizeof( boost::range_detail::is_char_array_impl( ptr ) ) == sizeof( yes_type ) ); |
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BOOST_STATIC_CONSTANT( bool, is_wchar_t_array_ = sizeof( boost::range_detail::is_wchar_t_array_impl( ptr ) ) == sizeof( yes_type ) ); |
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BOOST_STATIC_CONSTANT( bool, is_string_ = (boost::type_traits::ice_or<is_const_char_ptr_, is_const_wchar_t_ptr_>::value )); |
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BOOST_STATIC_CONSTANT( bool, is_array_ = boost::is_array<C>::value ); |
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}; |
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template< typename C > |
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class range |
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{ |
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typedef BOOST_RANGE_DEDUCED_TYPENAME boost::mpl::if_c< ::boost::range_detail::range_helper<C>::is_pair_, |
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boost::range_detail::std_pair_, |
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void >::type pair_t; |
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typedef BOOST_RANGE_DEDUCED_TYPENAME boost::mpl::if_c< ::boost::range_detail::range_helper<C>::is_array_, |
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boost::range_detail::array_, |
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pair_t >::type array_t; |
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typedef BOOST_RANGE_DEDUCED_TYPENAME boost::mpl::if_c< ::boost::range_detail::range_helper<C>::is_string_, |
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boost::range_detail::string_, |
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array_t >::type string_t; |
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typedef BOOST_RANGE_DEDUCED_TYPENAME boost::mpl::if_c< ::boost::range_detail::range_helper<C>::is_const_char_ptr_, |
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boost::range_detail::const_char_ptr_, |
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string_t >::type const_char_ptr_t; |
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typedef BOOST_RANGE_DEDUCED_TYPENAME boost::mpl::if_c< ::boost::range_detail::range_helper<C>::is_char_ptr_, |
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boost::range_detail::char_ptr_, |
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const_char_ptr_t >::type char_ptr_t; |
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typedef BOOST_RANGE_DEDUCED_TYPENAME boost::mpl::if_c< ::boost::range_detail::range_helper<C>::is_const_wchar_t_ptr_, |
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boost::range_detail::const_wchar_t_ptr_, |
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char_ptr_t >::type const_wchar_ptr_t; |
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typedef BOOST_RANGE_DEDUCED_TYPENAME boost::mpl::if_c< ::boost::range_detail::range_helper<C>::is_wchar_t_ptr_, |
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boost::range_detail::wchar_t_ptr_, |
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const_wchar_ptr_t >::type wchar_ptr_t; |
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typedef BOOST_RANGE_DEDUCED_TYPENAME boost::mpl::if_c< ::boost::range_detail::range_helper<C>::is_wchar_t_array_, |
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boost::range_detail::wchar_t_array_, |
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wchar_ptr_t >::type wchar_array_t; |
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typedef BOOST_RANGE_DEDUCED_TYPENAME boost::mpl::if_c< ::boost::range_detail::range_helper<C>::is_char_array_, |
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boost::range_detail::char_array_, |
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wchar_array_t >::type char_array_t; |
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public: |
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typedef BOOST_RANGE_DEDUCED_TYPENAME boost::mpl::if_c< ::boost::is_void<char_array_t>::value, |
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boost::range_detail::std_container_, |
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char_array_t >::type type; |
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}; // class 'range' |
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} |
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} |
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#endif |
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