You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
124 lines
2.6 KiB
124 lines
2.6 KiB
3 years ago
|
|
||
|
|
#ifndef BOOST_MPL_AUX_TRANSFORM_ITER_HPP_INCLUDED
|
||
|
|
#define BOOST_MPL_AUX_TRANSFORM_ITER_HPP_INCLUDED
|
||
|
|
|
||
|
|
// Copyright Aleksey Gurtovoy 2000-2004
|
||
|
|
//
|
||
|
|
// Distributed under 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)
|
||
|
|
//
|
||
|
|
// See http://www.boost.org/libs/mpl for documentation.
|
||
|
|
|
||
|
|
// $Id$
|
||
|
|
// $Date$
|
||
|
|
// $Revision$
|
||
|
|
|
||
|
|
#include <boost/mpl/apply.hpp>
|
||
|
|
#include <boost/mpl/iterator_tags.hpp>
|
||
|
|
#include <boost/mpl/next.hpp>
|
||
|
|
#include <boost/mpl/deref.hpp>
|
||
|
|
#include <boost/mpl/aux_/lambda_spec.hpp>
|
||
|
|
#include <boost/mpl/aux_/config/ctps.hpp>
|
||
|
|
#include <boost/type_traits/is_same.hpp>
|
||
|
|
|
||
|
|
namespace boost { namespace mpl {
|
||
|
|
|
||
|
|
namespace aux {
|
||
|
|
|
||
|
|
#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
|
||
|
|
|
||
|
|
template<
|
||
|
|
typename Iterator
|
||
|
|
, typename LastIterator
|
||
|
|
, typename F
|
||
|
|
>
|
||
|
|
struct transform_iter
|
||
|
|
{
|
||
|
|
typedef Iterator base;
|
||
|
|
typedef forward_iterator_tag category;
|
||
|
|
typedef transform_iter< typename mpl::next<base>::type,LastIterator,F > next;
|
||
|
|
|
||
|
|
typedef typename apply1<
|
||
|
|
F
|
||
|
|
, typename deref<base>::type
|
||
|
|
>::type type;
|
||
|
|
};
|
||
|
|
|
||
|
|
template<
|
||
|
|
typename LastIterator
|
||
|
|
, typename F
|
||
|
|
>
|
||
|
|
struct transform_iter< LastIterator,LastIterator,F >
|
||
|
|
{
|
||
|
|
typedef LastIterator base;
|
||
|
|
typedef forward_iterator_tag category;
|
||
|
|
};
|
||
|
|
|
||
|
|
#else
|
||
|
|
|
||
|
|
template<
|
||
|
|
typename Iterator
|
||
|
|
, typename LastIterator
|
||
|
|
, typename F
|
||
|
|
>
|
||
|
|
struct transform_iter;
|
||
|
|
|
||
|
|
template< bool >
|
||
|
|
struct transform_iter_impl
|
||
|
|
{
|
||
|
|
template<
|
||
|
|
typename Iterator
|
||
|
|
, typename LastIterator
|
||
|
|
, typename F
|
||
|
|
>
|
||
|
|
struct result_
|
||
|
|
{
|
||
|
|
typedef Iterator base;
|
||
|
|
typedef forward_iterator_tag category;
|
||
|
|
typedef transform_iter< typename mpl::next<Iterator>::type,LastIterator,F > next;
|
||
|
|
|
||
|
|
typedef typename apply1<
|
||
|
|
F
|
||
|
|
, typename deref<Iterator>::type
|
||
|
|
>::type type;
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
template<>
|
||
|
|
struct transform_iter_impl<true>
|
||
|
|
{
|
||
|
|
template<
|
||
|
|
typename Iterator
|
||
|
|
, typename LastIterator
|
||
|
|
, typename F
|
||
|
|
>
|
||
|
|
struct result_
|
||
|
|
{
|
||
|
|
typedef Iterator base;
|
||
|
|
typedef forward_iterator_tag category;
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
template<
|
||
|
|
typename Iterator
|
||
|
|
, typename LastIterator
|
||
|
|
, typename F
|
||
|
|
>
|
||
|
|
struct transform_iter
|
||
|
|
: transform_iter_impl<
|
||
|
|
::boost::is_same<Iterator,LastIterator>::value
|
||
|
|
>::template result_< Iterator,LastIterator,F >
|
||
|
|
{
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
|
||
|
|
|
||
|
|
} // namespace aux
|
||
|
|
|
||
|
|
BOOST_MPL_AUX_PASS_THROUGH_LAMBDA_SPEC(3, aux::transform_iter)
|
||
|
|
|
||
|
|
}}
|
||
|
|
|
||
|
|
#endif // BOOST_MPL_AUX_TRANSFORM_ITER_HPP_INCLUDED
|