158 lines
7.4 KiB
C++
158 lines
7.4 KiB
C++
// Boost.Range library
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//
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// Copyright Jonathan Turkanis 2005. 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_REMOVE_BOUNDS_HPP
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#define BOOST_RANGE_DETAIL_REMOVE_BOUNDS_HPP
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#include <boost/config.hpp> // MSVC, NO_INTRINSIC_WCHAR_T, put size_t in std.
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#include <cstddef>
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#include <boost/mpl/eval_if.hpp>
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#include <boost/mpl/identity.hpp>
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#include <boost/type_traits/is_same.hpp>
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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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template< typename Case1 = mpl::true_,
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typename Type1 = mpl::void_,
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typename Case2 = mpl::true_,
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typename Type2 = mpl::void_,
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typename Case3 = mpl::true_,
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typename Type3 = mpl::void_,
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typename Case4 = mpl::true_,
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typename Type4 = mpl::void_,
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typename Case5 = mpl::true_,
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typename Type5 = mpl::void_,
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typename Case6 = mpl::true_,
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typename Type6 = mpl::void_,
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typename Case7 = mpl::true_,
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typename Type7 = mpl::void_,
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typename Case8 = mpl::true_,
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typename Type8 = mpl::void_,
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typename Case9 = mpl::true_,
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typename Type9 = mpl::void_,
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typename Case10 = mpl::true_,
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typename Type10 = mpl::void_,
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typename Case11 = mpl::true_,
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typename Type11 = mpl::void_,
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typename Case12 = mpl::true_,
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typename Type12 = mpl::void_,
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typename Case13 = mpl::true_,
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typename Type13 = mpl::void_,
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typename Case14 = mpl::true_,
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typename Type14 = mpl::void_,
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typename Case15 = mpl::true_,
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typename Type15 = mpl::void_,
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typename Case16 = mpl::true_,
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typename Type16 = mpl::void_,
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typename Case17 = mpl::true_,
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typename Type17 = mpl::void_,
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typename Case18 = mpl::true_,
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typename Type18 = mpl::void_,
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typename Case19 = mpl::true_,
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typename Type19 = mpl::void_,
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typename Case20 = mpl::true_,
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typename Type20 = mpl::void_>
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struct select {
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typedef typename
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mpl::eval_if<
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Case1, mpl::identity<Type1>, mpl::eval_if<
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Case2, mpl::identity<Type2>, mpl::eval_if<
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Case3, mpl::identity<Type3>, mpl::eval_if<
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Case4, mpl::identity<Type4>, mpl::eval_if<
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Case5, mpl::identity<Type5>, mpl::eval_if<
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Case6, mpl::identity<Type6>, mpl::eval_if<
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Case7, mpl::identity<Type7>, mpl::eval_if<
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Case8, mpl::identity<Type8>, mpl::eval_if<
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Case9, mpl::identity<Type9>, mpl::if_<
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Case10, Type10, mpl::void_ > > > > > > > > >
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>::type result1;
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typedef typename
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mpl::eval_if<
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Case11, mpl::identity<Type11>, mpl::eval_if<
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Case12, mpl::identity<Type12>, mpl::eval_if<
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Case13, mpl::identity<Type13>, mpl::eval_if<
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Case14, mpl::identity<Type14>, mpl::eval_if<
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Case15, mpl::identity<Type15>, mpl::eval_if<
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Case16, mpl::identity<Type16>, mpl::eval_if<
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Case17, mpl::identity<Type17>, mpl::eval_if<
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Case18, mpl::identity<Type18>, mpl::eval_if<
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Case19, mpl::identity<Type19>, mpl::if_<
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Case20, Type20, mpl::void_ > > > > > > > > >
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> result2;
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typedef typename
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mpl::eval_if<
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is_same<result1, mpl::void_>,
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result2,
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mpl::identity<result1>
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>::type type;
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};
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template<typename T>
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struct remove_extent {
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static T* ar;
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BOOST_STATIC_CONSTANT(std::size_t, size = sizeof(*ar) / sizeof((*ar)[0]));
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typedef typename
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select<
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is_same<T, bool[size]>, bool,
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is_same<T, char[size]>, char,
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is_same<T, signed char[size]>, signed char,
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is_same<T, unsigned char[size]>, unsigned char,
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#ifndef BOOST_NO_INTRINSIC_WCHAR_T
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is_same<T, wchar_t[size]>, wchar_t,
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#endif
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is_same<T, short[size]>, short,
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is_same<T, unsigned short[size]>, unsigned short,
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is_same<T, int[size]>, int,
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is_same<T, unsigned int[size]>, unsigned int,
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is_same<T, long[size]>, long,
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is_same<T, unsigned long[size]>, unsigned long,
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is_same<T, float[size]>, float,
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is_same<T, double[size]>, double,
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is_same<T, long double[size]>, long double
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>::type result1;
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typedef typename
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select<
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is_same<T, const bool[size]>, const bool,
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is_same<T, const char[size]>, const char,
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is_same<T, const signed char[size]>, const signed char,
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is_same<T, const unsigned char[size]>, const unsigned char,
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#ifndef BOOST_NO_INTRINSIC_WCHAR_T
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is_same<T, const wchar_t[size]>, const wchar_t,
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#endif
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is_same<T, const short[size]>, const short,
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is_same<T, const unsigned short[size]>, const unsigned short,
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is_same<T, const int[size]>, const int,
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is_same<T, const unsigned int[size]>, const unsigned int,
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is_same<T, const long[size]>, const long,
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is_same<T, const unsigned long[size]>, const unsigned long,
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is_same<T, const float[size]>, const float,
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is_same<T, const double[size]>, const double,
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is_same<T, const long double[size]>, const long double
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> result2;
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typedef typename
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mpl::eval_if<
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is_same<result1, mpl::void_>,
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result2,
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mpl::identity<result1>
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>::type type;
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};
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} // namespace 'range_detail'
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} // namespace 'boost'
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#endif
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