sl@0: 
sl@0: #ifndef BOOST_MPL_TRANSFORM_HPP_INCLUDED
sl@0: #define BOOST_MPL_TRANSFORM_HPP_INCLUDED
sl@0: 
sl@0: // Copyright Aleksey Gurtovoy 2000-2004
sl@0: // Copyright David Abrahams 2003-2004
sl@0: //
sl@0: // Distributed under the Boost Software License, Version 1.0. 
sl@0: // (See accompanying file LICENSE_1_0.txt or copy at 
sl@0: // http://www.boost.org/LICENSE_1_0.txt)
sl@0: //
sl@0: // See http://www.boost.org/libs/mpl for documentation.
sl@0: 
sl@0: // $Source: /cvsroot/boost/boost/boost/mpl/transform.hpp,v $
sl@0: // $Date: 2004/12/20 17:18:17 $
sl@0: // $Revision: 1.10 $
sl@0: 
sl@0: #include <boost/mpl/fold.hpp>
sl@0: #include <boost/mpl/reverse_fold.hpp>
sl@0: #include <boost/mpl/pair_view.hpp>
sl@0: #include <boost/mpl/is_sequence.hpp>
sl@0: #include <boost/mpl/eval_if.hpp>
sl@0: #include <boost/mpl/lambda.hpp>
sl@0: #include <boost/mpl/bind.hpp>
sl@0: #include <boost/mpl/or.hpp>
sl@0: #include <boost/mpl/not.hpp>
sl@0: #include <boost/mpl/aux_/na.hpp>
sl@0: #include <boost/mpl/aux_/inserter_algorithm.hpp>
sl@0: 
sl@0: namespace boost { namespace mpl {
sl@0: 
sl@0: namespace aux { 
sl@0: 
sl@0: template< 
sl@0:       typename Seq
sl@0:     , typename Op
sl@0:     , typename In
sl@0:     >
sl@0: struct transform1_impl
sl@0:     : fold< 
sl@0:           Seq
sl@0:         , typename In::state
sl@0:         , bind2< typename lambda< typename In::operation >::type
sl@0:             , _1
sl@0:             , bind1< typename lambda<Op>::type, _2>
sl@0:             > 
sl@0:         >
sl@0: {
sl@0: };
sl@0: 
sl@0: template< 
sl@0:       typename Seq
sl@0:     , typename Op
sl@0:     , typename In
sl@0:     >
sl@0: struct reverse_transform1_impl
sl@0:     : reverse_fold< 
sl@0:           Seq
sl@0:         , typename In::state
sl@0:         , bind2< typename lambda< typename In::operation >::type
sl@0:             , _1
sl@0:             , bind1< typename lambda<Op>::type, _2>
sl@0:             > 
sl@0:         >
sl@0: {
sl@0: };
sl@0: 
sl@0: template< 
sl@0:       typename Seq1
sl@0:     , typename Seq2
sl@0:     , typename Op
sl@0:     , typename In
sl@0:     >
sl@0: struct transform2_impl
sl@0:     : fold< 
sl@0:           pair_view<Seq1,Seq2>
sl@0:         , typename In::state
sl@0:         , bind2< typename lambda< typename In::operation >::type
sl@0:             , _1
sl@0:             , bind2<
sl@0:                   typename lambda<Op>::type
sl@0:                 , bind1<first<>,_2>
sl@0:                 , bind1<second<>,_2>
sl@0:                 >
sl@0:             > 
sl@0:         >
sl@0: {
sl@0: };
sl@0: 
sl@0: template< 
sl@0:       typename Seq1
sl@0:     , typename Seq2
sl@0:     , typename Op
sl@0:     , typename In
sl@0:     >
sl@0: struct reverse_transform2_impl
sl@0:     : reverse_fold< 
sl@0:           pair_view<Seq1,Seq2>
sl@0:         , typename In::state
sl@0:         , bind2< typename lambda< typename In::operation >::type
sl@0:             , _1
sl@0:             , bind2< typename lambda< Op >::type
sl@0:                 , bind1<first<>,_2>
sl@0:                 , bind1<second<>,_2>
sl@0:                 >
sl@0:             > 
sl@0:         >
sl@0: {
sl@0: };
sl@0: 
sl@0: } // namespace aux 
sl@0: 
sl@0: BOOST_MPL_AUX_INSERTER_ALGORITHM_DEF(3, transform1)                    
sl@0: BOOST_MPL_AUX_INSERTER_ALGORITHM_DEF(4, transform2)
sl@0:     
sl@0: #define AUX778076_TRANSFORM_DEF(name)                                   \
sl@0: template<                                                               \
sl@0:       typename BOOST_MPL_AUX_NA_PARAM(Seq1)                             \
sl@0:     , typename BOOST_MPL_AUX_NA_PARAM(Seq2OrOperation)                  \
sl@0:     , typename BOOST_MPL_AUX_NA_PARAM(OperationOrInserter)              \
sl@0:     , typename BOOST_MPL_AUX_NA_PARAM(Inserter)                         \
sl@0:     >                                                                   \
sl@0: struct name                                                             \
sl@0: {                                                                       \
sl@0:     typedef typename eval_if<                                           \
sl@0:           or_<                                                          \
sl@0:               is_na<OperationOrInserter>                                \
sl@0:             , is_lambda_expression< Seq2OrOperation >                   \
sl@0:             , not_< is_sequence<Seq2OrOperation> >                      \
sl@0:             >                                                           \
sl@0:         , name##1<Seq1,Seq2OrOperation,OperationOrInserter>             \
sl@0:         , name##2<Seq1,Seq2OrOperation,OperationOrInserter,Inserter>    \
sl@0:         >::type type;                                                   \
sl@0: };                                                                      \
sl@0: BOOST_MPL_AUX_NA_SPEC(4, name)                                          \
sl@0: /**/
sl@0: 
sl@0: AUX778076_TRANSFORM_DEF(transform)
sl@0: AUX778076_TRANSFORM_DEF(reverse_transform)
sl@0: 
sl@0: #undef AUX778076_TRANSFORM_DEF
sl@0: 
sl@0: }}
sl@0: 
sl@0: #endif // BOOST_MPL_TRANSFORM_HPP_INCLUDED