| |
| #ifndef BOOST_MPL_REPLACE_IF_HPP_INCLUDED |
| #define BOOST_MPL_REPLACE_IF_HPP_INCLUDED |
| |
| // Copyright Aleksey Gurtovoy 2000-2004 |
| // Copyright John R. Bandela 2000-2002 |
| // 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: replace_if.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/transform.hpp> |
| #include <boost/mpl/apply.hpp> |
| #include <boost/mpl/if.hpp> |
| #include <boost/mpl/aux_/inserter_algorithm.hpp> |
| #include <boost/mpl/aux_/config/forwarding.hpp> |
| |
| namespace boost { namespace mpl { |
| |
| namespace aux { |
| |
| template< typename Predicate, typename T > |
| struct replace_if_op |
| { |
| template< typename U > struct apply |
| #if !defined(BOOST_MPL_CFG_NO_NESTED_FORWARDING) |
| : if_< |
| typename apply1<Predicate,U>::type |
| , T |
| , U |
| > |
| { |
| #else |
| { |
| typedef typename if_< |
| typename apply1<Predicate,U>::type |
| , T |
| , U |
| >::type type; |
| #endif |
| }; |
| }; |
| |
| |
| template< |
| typename Sequence |
| , typename Predicate |
| , typename T |
| , typename Inserter |
| > |
| struct replace_if_impl |
| : transform1_impl< |
| Sequence |
| , protect< aux::replace_if_op<Predicate,T> > |
| , Inserter |
| > |
| { |
| }; |
| |
| template< |
| typename Sequence |
| , typename Predicate |
| , typename T |
| , typename Inserter |
| > |
| struct reverse_replace_if_impl |
| : reverse_transform1_impl< |
| Sequence |
| , protect< aux::replace_if_op<Predicate,T> > |
| , Inserter |
| > |
| { |
| }; |
| |
| } // namespace aux |
| |
| BOOST_MPL_AUX_INSERTER_ALGORITHM_DEF(4, replace_if) |
| |
| }} |
| |
| #endif // BOOST_MPL_REPLACE_IF_HPP_INCLUDED |
