epoc32/include/stdapis/boost/mpl/vector/aux_/item.hpp
branchSymbian2
changeset 2 2fe1408b6811
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/epoc32/include/stdapis/boost/mpl/vector/aux_/item.hpp	Tue Mar 16 16:12:26 2010 +0000
     1.3 @@ -0,0 +1,103 @@
     1.4 +
     1.5 +#ifndef BOOST_MPL_VECTOR_AUX_ITEM_HPP_INCLUDED
     1.6 +#define BOOST_MPL_VECTOR_AUX_ITEM_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/vector/aux_/item.hpp,v $
    1.17 +// $Date: 2005/05/15 00:39:04 $
    1.18 +// $Revision: 1.8 $
    1.19 +
    1.20 +#include <boost/mpl/long.hpp>
    1.21 +#include <boost/mpl/void.hpp>
    1.22 +#include <boost/mpl/next_prior.hpp>
    1.23 +#include <boost/mpl/aux_/type_wrapper.hpp>
    1.24 +#include <boost/mpl/aux_/config/typeof.hpp>
    1.25 +#include <boost/mpl/aux_/config/ctps.hpp>
    1.26 +
    1.27 +namespace boost { namespace mpl {
    1.28 +
    1.29 +#if defined(BOOST_MPL_CFG_TYPEOF_BASED_SEQUENCES)
    1.30 +
    1.31 +template< 
    1.32 +      typename T
    1.33 +    , typename Base
    1.34 +    , int at_front = 0
    1.35 +    >
    1.36 +struct v_item
    1.37 +    : Base
    1.38 +{
    1.39 +    typedef typename Base::upper_bound_ index_;
    1.40 +    typedef typename next<index_>::type upper_bound_;
    1.41 +    typedef typename next<typename Base::size>::type size;
    1.42 +    typedef Base base;
    1.43 +    typedef v_item type;
    1.44 +
    1.45 +    // agurt 10/sep/04: MWCW <= 9.3 workaround here and below; the compiler
    1.46 +    // breaks if using declaration comes _before_ the new overload
    1.47 +    static aux::type_wrapper<T> item_(index_);
    1.48 +    using Base::item_;
    1.49 +};
    1.50 +
    1.51 +template<
    1.52 +      typename T
    1.53 +    , typename Base
    1.54 +    >
    1.55 +struct v_item<T,Base,1>
    1.56 +    : Base
    1.57 +{
    1.58 +    typedef typename prior<typename Base::lower_bound_>::type index_;
    1.59 +    typedef index_ lower_bound_;
    1.60 +    typedef typename next<typename Base::size>::type size;
    1.61 +    typedef Base base;
    1.62 +    typedef v_item type;
    1.63 +
    1.64 +    static aux::type_wrapper<T> item_(index_);
    1.65 +    using Base::item_;
    1.66 +};
    1.67 +
    1.68 +// "erasure" item
    1.69 +template< 
    1.70 +      typename Base
    1.71 +    , int at_front
    1.72 +    >
    1.73 +struct v_mask
    1.74 +    : Base
    1.75 +{
    1.76 +    typedef typename prior<typename Base::upper_bound_>::type index_;
    1.77 +    typedef index_ upper_bound_;
    1.78 +    typedef typename prior<typename Base::size>::type size;
    1.79 +    typedef Base base;
    1.80 +    typedef v_mask type;
    1.81 +
    1.82 +    static aux::type_wrapper<void_> item_(index_);
    1.83 +    using Base::item_;
    1.84 +};
    1.85 +
    1.86 +template< 
    1.87 +      typename Base
    1.88 +    >
    1.89 +struct v_mask<Base,1>
    1.90 +    : Base
    1.91 +{
    1.92 +    typedef typename Base::lower_bound_ index_;
    1.93 +    typedef typename next<index_>::type lower_bound_;
    1.94 +    typedef typename prior<typename Base::size>::type size;
    1.95 +    typedef Base base;
    1.96 +    typedef v_mask type;
    1.97 +
    1.98 +    static aux::type_wrapper<void_> item_(index_);
    1.99 +    using Base::item_;
   1.100 +};
   1.101 +
   1.102 +#endif // BOOST_MPL_CFG_TYPEOF_BASED_SEQUENCES
   1.103 +
   1.104 +}}
   1.105 +
   1.106 +#endif // BOOST_MPL_VECTOR_AUX_ITEM_HPP_INCLUDED