// 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) && (_MSC_VER >= 1200) | |
# pragma once | |
#endif | |
#include <boost/range/config.hpp> | |
#include <boost/range/detail/sfinae.hpp> | |
#include <boost/type_traits/is_void.hpp> | |
#include <boost/type_traits/detail/ice_or.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_ = (boost::type_traits::ice_or<is_const_char_ptr_, is_const_wchar_t_ptr_>::value )); | |
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 | |