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