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