Mercurial > hg > vamp-build-and-test
diff DEPENDENCIES/generic/include/boost/mpl/iter_fold_if.hpp @ 16:2665513ce2d3
Add boost headers
author | Chris Cannam |
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date | Tue, 05 Aug 2014 11:11:38 +0100 |
parents | |
children | c530137014c0 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/DEPENDENCIES/generic/include/boost/mpl/iter_fold_if.hpp Tue Aug 05 11:11:38 2014 +0100 @@ -0,0 +1,117 @@ + +#ifndef BOOST_MPL_ITER_FOLD_IF_HPP_INCLUDED +#define BOOST_MPL_ITER_FOLD_IF_HPP_INCLUDED + +// Copyright Aleksey Gurtovoy 2003-2004 +// Copyright Eric Friedman 2003 +// +// 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: iter_fold_if.hpp 49267 2008-10-11 06:19:02Z agurtovoy $ +// $Date: 2008-10-10 23:19:02 -0700 (Fri, 10 Oct 2008) $ +// $Revision: 49267 $ + +#include <boost/mpl/begin_end.hpp> +#include <boost/mpl/logical.hpp> +#include <boost/mpl/always.hpp> +#include <boost/mpl/eval_if.hpp> +#include <boost/mpl/if.hpp> +#include <boost/mpl/pair.hpp> +#include <boost/mpl/apply.hpp> +#include <boost/mpl/aux_/iter_fold_if_impl.hpp> +#include <boost/mpl/aux_/na_spec.hpp> +#include <boost/mpl/aux_/lambda_support.hpp> +#include <boost/mpl/aux_/config/forwarding.hpp> +#include <boost/mpl/aux_/config/workaround.hpp> + +#include <boost/type_traits/is_same.hpp> + +namespace boost { namespace mpl { + +namespace aux { + +template< typename Predicate, typename LastIterator > +struct iter_fold_if_pred +{ + template< typename State, typename Iterator > struct apply +#if !defined(BOOST_MPL_CFG_NO_NESTED_FORWARDING) + : and_< + not_< is_same<Iterator,LastIterator> > + , apply1<Predicate,Iterator> + > + { +#else + { + typedef and_< + not_< is_same<Iterator,LastIterator> > + , apply1<Predicate,Iterator> + > type; +#endif + }; +}; + +} // namespace aux + +template< + typename BOOST_MPL_AUX_NA_PARAM(Sequence) + , typename BOOST_MPL_AUX_NA_PARAM(State) + , typename BOOST_MPL_AUX_NA_PARAM(ForwardOp) + , typename BOOST_MPL_AUX_NA_PARAM(ForwardPredicate) + , typename BOOST_MPL_AUX_NA_PARAM(BackwardOp) + , typename BOOST_MPL_AUX_NA_PARAM(BackwardPredicate) + > +struct iter_fold_if +{ + + typedef typename begin<Sequence>::type first_; + typedef typename end<Sequence>::type last_; + + typedef typename eval_if< + is_na<BackwardPredicate> + , if_< is_na<BackwardOp>, always<false_>, always<true_> > + , identity<BackwardPredicate> + >::type backward_pred_; + +// cwpro8 doesn't like 'cut-off' type here (use typedef instead) +#if !BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3003)) && !BOOST_WORKAROUND(__IBMCPP__, BOOST_TESTED_AT(600)) + struct result_ : +#else + typedef +#endif + aux::iter_fold_if_impl< + first_ + , State + , ForwardOp + , protect< aux::iter_fold_if_pred< ForwardPredicate,last_ > > + , BackwardOp + , backward_pred_ + > +#if !BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3003)) && !BOOST_WORKAROUND(__IBMCPP__, BOOST_TESTED_AT(600)) + { }; +#else + result_; +#endif + +public: + + typedef pair< + typename result_::state + , typename result_::iterator + > type; + + BOOST_MPL_AUX_LAMBDA_SUPPORT( + 6 + , iter_fold_if + , (Sequence,State,ForwardOp,ForwardPredicate,BackwardOp,BackwardPredicate) + ) +}; + +BOOST_MPL_AUX_NA_SPEC(6, iter_fold_if) + +}} + +#endif // BOOST_MPL_ITER_FOLD_IF_HPP_INCLUDED