You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and dots ('.'), can be up to 35 characters long. Letters must be lowercase.
98 lines
2.3 KiB
98 lines
2.3 KiB
|
|
#ifndef BOOST_MPL_SET_AUX_ITERATOR_HPP_INCLUDED |
|
#define BOOST_MPL_SET_AUX_ITERATOR_HPP_INCLUDED |
|
|
|
// Copyright Aleksey Gurtovoy 2003-2007 |
|
// Copyright David Abrahams 2003-2004 |
|
// |
|
// 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: iterator.hpp 49267 2008-10-11 06:19:02Z agurtovoy $ |
|
// $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $ |
|
// $Revision: 49267 $ |
|
|
|
#include <boost/mpl/set/aux_/set0.hpp> |
|
#include <boost/mpl/has_key.hpp> |
|
#include <boost/mpl/iterator_tags.hpp> |
|
#include <boost/mpl/next.hpp> |
|
#include <boost/mpl/eval_if.hpp> |
|
#include <boost/mpl/if.hpp> |
|
#include <boost/mpl/identity.hpp> |
|
#include <boost/mpl/aux_/config/ctps.hpp> |
|
|
|
namespace boost { namespace mpl { |
|
|
|
// used by 's_iter_get' |
|
template< typename Set, typename Tail > struct s_iter; |
|
|
|
template< typename Set, typename Tail > struct s_iter_get |
|
: eval_if< |
|
has_key< Set,typename Tail::item_type_ > |
|
, identity< s_iter<Set,Tail> > |
|
, next< s_iter<Set,Tail> > |
|
> |
|
{ |
|
}; |
|
|
|
template< typename Set, typename Tail > struct s_iter_impl |
|
{ |
|
typedef Tail tail_; |
|
typedef forward_iterator_tag category; |
|
typedef typename Tail::item_type_ type; |
|
|
|
#if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) |
|
typedef typename s_iter_get< Set,typename Tail::base >::type next; |
|
#endif |
|
}; |
|
|
|
#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) |
|
|
|
template< typename Set, typename Tail > |
|
struct next< s_iter<Set,Tail> > |
|
: s_iter_get< Set,typename Tail::base > |
|
{ |
|
}; |
|
|
|
template< typename Set > |
|
struct next< s_iter<Set,set0<> > > |
|
{ |
|
typedef s_iter<Set,set0<> > type; |
|
}; |
|
|
|
template< typename Set, typename Tail > struct s_iter |
|
: s_iter_impl<Set,Tail> |
|
{ |
|
}; |
|
|
|
template< typename Set > struct s_iter<Set, set0<> > |
|
{ |
|
typedef forward_iterator_tag category; |
|
}; |
|
|
|
#else |
|
|
|
template< typename Set > |
|
struct s_end_iter |
|
{ |
|
typedef forward_iterator_tag category; |
|
typedef s_iter<Set,set0<> > next; |
|
}; |
|
|
|
template< typename Set, typename Tail > struct s_iter |
|
: if_< |
|
is_same< Tail,set0<> > |
|
, s_end_iter<Set> |
|
, s_iter_impl<Set,Tail> |
|
>::type |
|
{ |
|
}; |
|
|
|
#endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION |
|
|
|
}} |
|
|
|
#endif // BOOST_MPL_SET_AUX_ITERATOR_HPP_INCLUDED
|
|
|