Blame - ndnboost/range/detail/common.hpp - ndn-cxx

Jeff Thompson

ef2d5a4

2013-08-22 19:09:24 -0700

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// 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)

# pragma once

#endif

#include <ndnboost/range/config.hpp>

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#include <ndnboost/range/detail/sfinae.hpp>

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#include <ndnboost/type_traits/is_void.hpp>

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#include <ndnboost/type_traits/detail/ice_or.hpp>

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#include <ndnboost/mpl/if.hpp>

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#include <ndnboost/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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//////////////////////////////////////////////////////////////////////////////

namespace ndnboost

{

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

// 4 = array

// 5 = const array

// 6 = char array

// 7 = wchar_t array

// 8 = char*

// 9 = const char*

// 10 = whar_t*

// 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 >

struct range_helper

{

static C* c;

static C ptr;

BOOST_STATIC_CONSTANT( bool, is_pair_ = sizeof( ndnboost::range_detail::is_pair_impl( c ) ) == sizeof( yes_type ) );

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BOOST_STATIC_CONSTANT( bool, is_char_ptr_ = sizeof( ndnboost::range_detail::is_char_ptr_impl( ptr ) ) == sizeof( yes_type ) );

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BOOST_STATIC_CONSTANT( bool, is_const_char_ptr_ = sizeof( ndnboost::range_detail::is_const_char_ptr_impl( ptr ) ) == sizeof( yes_type ) );

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BOOST_STATIC_CONSTANT( bool, is_wchar_t_ptr_ = sizeof( ndnboost::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( ndnboost::range_detail::is_const_wchar_t_ptr_impl( ptr ) ) == sizeof( yes_type ) );

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BOOST_STATIC_CONSTANT( bool, is_char_array_ = sizeof( ndnboost::range_detail::is_char_array_impl( ptr ) ) == sizeof( yes_type ) );

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BOOST_STATIC_CONSTANT( bool, is_wchar_t_array_ = sizeof( ndnboost::range_detail::is_wchar_t_array_impl( ptr ) ) == sizeof( yes_type ) );

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BOOST_STATIC_CONSTANT( bool, is_string_ = (ndnboost::type_traits::ice_or<is_const_char_ptr_, is_const_wchar_t_ptr_>::value ));

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BOOST_STATIC_CONSTANT( bool, is_array_ = ndnboost::is_array<C>::value );

};

template< typename C >

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class range

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{

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typedef BOOST_RANGE_DEDUCED_TYPENAME ndnboost::mpl::if_c< ::ndnboost::range_detail::range_helper<C>::is_pair_,

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ndnboost::range_detail::std_pair_,

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void >::type pair_t;

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typedef BOOST_RANGE_DEDUCED_TYPENAME ndnboost::mpl::if_c< ::ndnboost::range_detail::range_helper<C>::is_array_,

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ndnboost::range_detail::array_,

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pair_t >::type array_t;

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typedef BOOST_RANGE_DEDUCED_TYPENAME ndnboost::mpl::if_c< ::ndnboost::range_detail::range_helper<C>::is_string_,

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ndnboost::range_detail::string_,

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array_t >::type string_t;

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typedef BOOST_RANGE_DEDUCED_TYPENAME ndnboost::mpl::if_c< ::ndnboost::range_detail::range_helper<C>::is_const_char_ptr_,

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ndnboost::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 ndnboost::mpl::if_c< ::ndnboost::range_detail::range_helper<C>::is_char_ptr_,

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ndnboost::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 ndnboost::mpl::if_c< ::ndnboost::range_detail::range_helper<C>::is_const_wchar_t_ptr_,

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ndnboost::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 ndnboost::mpl::if_c< ::ndnboost::range_detail::range_helper<C>::is_wchar_t_ptr_,

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ndnboost::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 ndnboost::mpl::if_c< ::ndnboost::range_detail::range_helper<C>::is_wchar_t_array_,

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ndnboost::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 ndnboost::mpl::if_c< ::ndnboost::range_detail::range_helper<C>::is_char_array_,

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ndnboost::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 ndnboost::mpl::if_c< ::ndnboost::is_void<char_array_t>::value,

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ndnboost::range_detail::std_container_,

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char_array_t >::type type;

}; // class 'range'

}

}

#endif