// 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_ITERATOR_HPP
#define BOOST_RANGE_ITERATOR_HPP

#if defined(_MSC_VER)
# pragma once
#endif

#include <boost/range/config.hpp>
#include <boost/range/range_fwd.hpp>
#include <boost/range/mutable_iterator.hpp>
#include <boost/range/const_iterator.hpp>
#include <boost/type_traits/is_const.hpp>
#include <boost/type_traits/remove_const.hpp>
#include <boost/mpl/eval_if.hpp>

namespace boost {

#if BOOST_WORKAROUND(BOOST_MSVC, == 1310)

namespace range_detail_vc7_1 {
template< typename C, typename Sig = void(C) >
struct range_iterator
{
    typedef BOOST_RANGE_DEDUCED_TYPENAME
    mpl::eval_if_c< is_const<C>::value,
        range_const_iterator< typename remove_const<C>::type >,
        range_mutable_iterator<C> >::type type;
};

template< typename C, typename T >
struct range_iterator< C, void(T[]) >
{
    typedef T* type;
};
}

template< typename C, typename Enabler=void >
struct range_iterator
{

    typedef BOOST_RANGE_DEDUCED_TYPENAME
    range_detail_vc7_1::range_iterator<C>::type type;

};

#else

template< typename C, typename Enabler=void >
struct range_iterator
    : mpl::if_c<
      is_const<typename remove_reference<C>::type>::value,
      range_const_iterator<typename remove_const<typename remove_reference<C>::type>::type>,
      range_mutable_iterator<typename remove_reference<C>::type>
      >::type
{
};

#endif

} // namespace boost

#endif
