1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/epoc32/include/stdapis/boost/mpl/advance.hpp Tue Mar 16 16:12:26 2010 +0000
1.3 @@ -0,0 +1,76 @@
1.4 +
1.5 +#ifndef BOOST_MPL_ADVANCE_HPP_INCLUDED
1.6 +#define BOOST_MPL_ADVANCE_HPP_INCLUDED
1.7 +
1.8 +// Copyright Aleksey Gurtovoy 2000-2004
1.9 +//
1.10 +// Distributed under the Boost Software License, Version 1.0.
1.11 +// (See accompanying file LICENSE_1_0.txt or copy at
1.12 +// http://www.boost.org/LICENSE_1_0.txt)
1.13 +//
1.14 +// See http://www.boost.org/libs/mpl for documentation.
1.15 +
1.16 +// $Source: /cvsroot/boost/boost/boost/mpl/advance.hpp,v $
1.17 +// $Date: 2004/09/02 15:40:41 $
1.18 +// $Revision: 1.9 $
1.19 +
1.20 +#include <boost/mpl/advance_fwd.hpp>
1.21 +#include <boost/mpl/less.hpp>
1.22 +#include <boost/mpl/negate.hpp>
1.23 +#include <boost/mpl/long.hpp>
1.24 +#include <boost/mpl/if.hpp>
1.25 +#include <boost/mpl/tag.hpp>
1.26 +#include <boost/mpl/apply_wrap.hpp>
1.27 +#include <boost/mpl/aux_/advance_forward.hpp>
1.28 +#include <boost/mpl/aux_/advance_backward.hpp>
1.29 +#include <boost/mpl/aux_/value_wknd.hpp>
1.30 +#include <boost/mpl/aux_/na_spec.hpp>
1.31 +#include <boost/mpl/aux_/nttp_decl.hpp>
1.32 +
1.33 +namespace boost { namespace mpl {
1.34 +
1.35 +// default implementation for forward/bidirectional iterators
1.36 +template< typename Tag >
1.37 +struct advance_impl
1.38 +{
1.39 + template< typename Iterator, typename N > struct apply
1.40 + {
1.41 + typedef typename less< N,long_<0> >::type backward_;
1.42 + typedef typename if_< backward_, negate<N>, N >::type offset_;
1.43 +
1.44 + typedef typename if_<
1.45 + backward_
1.46 + , aux::advance_backward< BOOST_MPL_AUX_VALUE_WKND(offset_)::value >
1.47 + , aux::advance_forward< BOOST_MPL_AUX_VALUE_WKND(offset_)::value >
1.48 + >::type f_;
1.49 +
1.50 + typedef typename apply_wrap1<f_,Iterator>::type type;
1.51 + };
1.52 +};
1.53 +
1.54 +
1.55 +template<
1.56 + typename BOOST_MPL_AUX_NA_PARAM(Iterator)
1.57 + , typename BOOST_MPL_AUX_NA_PARAM(N)
1.58 + >
1.59 +struct advance
1.60 + : advance_impl< typename tag<Iterator>::type >
1.61 + ::template apply<Iterator,N>
1.62 +{
1.63 +};
1.64 +
1.65 +template<
1.66 + typename Iterator
1.67 + , BOOST_MPL_AUX_NTTP_DECL(long, N)
1.68 + >
1.69 +struct advance_c
1.70 + : advance_impl< typename tag<Iterator>::type >
1.71 + ::template apply<Iterator,long_<N> >
1.72 +{
1.73 +};
1.74 +
1.75 +BOOST_MPL_AUX_NA_SPEC(2, advance)
1.76 +
1.77 +}}
1.78 +
1.79 +#endif // BOOST_MPL_ADVANCE_HPP_INCLUDED