epoc32/include/stdapis/boost/mpl/for_each.hpp
branchSymbian3
changeset 4 837f303aceeb
parent 3 e1b950c65cb4
     1.1 --- a/epoc32/include/stdapis/boost/mpl/for_each.hpp	Wed Mar 31 12:27:01 2010 +0100
     1.2 +++ b/epoc32/include/stdapis/boost/mpl/for_each.hpp	Wed Mar 31 12:33:34 2010 +0100
     1.3 @@ -1,60 +1,112 @@
     1.4 -# /* **************************************************************************
     1.5 -#  *                                                                          *
     1.6 -#  *     (C) Copyright Paul Mensonides 2002.
     1.7 -#  *     Distributed under the Boost Software License, Version 1.0. (See
     1.8 -#  *     accompanying file LICENSE_1_0.txt or copy at
     1.9 -#  *     http://www.boost.org/LICENSE_1_0.txt)
    1.10 -#  *                                                                          *
    1.11 -#  ************************************************************************** */
    1.12 -#
    1.13 -# /* See http://www.boost.org for most recent version. */
    1.14 -#
    1.15 -# ifndef BOOST_PREPROCESSOR_SEQ_FOR_EACH_HPP
    1.16 -# define BOOST_PREPROCESSOR_SEQ_FOR_EACH_HPP
    1.17 -#
    1.18 -# include <boost/preprocessor/arithmetic/dec.hpp>
    1.19 -# include <boost/preprocessor/config/config.hpp>
    1.20 -# include <boost/preprocessor/repetition/for.hpp>
    1.21 -# include <boost/preprocessor/seq/seq.hpp>
    1.22 -# include <boost/preprocessor/seq/size.hpp>
    1.23 -# include <boost/preprocessor/tuple/elem.hpp>
    1.24 -# include <boost/preprocessor/tuple/rem.hpp>
    1.25 -#
    1.26 -# /* BOOST_PP_SEQ_FOR_EACH */
    1.27 -#
    1.28 -# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
    1.29 -#    define BOOST_PP_SEQ_FOR_EACH(macro, data, seq) BOOST_PP_FOR((macro, data, seq (nil)), BOOST_PP_SEQ_FOR_EACH_P, BOOST_PP_SEQ_FOR_EACH_O, BOOST_PP_SEQ_FOR_EACH_M)
    1.30 -# else
    1.31 -#    define BOOST_PP_SEQ_FOR_EACH(macro, data, seq) BOOST_PP_SEQ_FOR_EACH_D(macro, data, seq)
    1.32 -#    define BOOST_PP_SEQ_FOR_EACH_D(macro, data, seq) BOOST_PP_FOR((macro, data, seq (nil)), BOOST_PP_SEQ_FOR_EACH_P, BOOST_PP_SEQ_FOR_EACH_O, BOOST_PP_SEQ_FOR_EACH_M)
    1.33 -# endif
    1.34 -#
    1.35 -# define BOOST_PP_SEQ_FOR_EACH_P(r, x) BOOST_PP_DEC(BOOST_PP_SEQ_SIZE(BOOST_PP_TUPLE_ELEM(3, 2, x)))
    1.36 -#
    1.37 -# if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_STRICT()
    1.38 -#    define BOOST_PP_SEQ_FOR_EACH_O(r, x) BOOST_PP_SEQ_FOR_EACH_O_I x
    1.39 -# else
    1.40 -#    define BOOST_PP_SEQ_FOR_EACH_O(r, x) BOOST_PP_SEQ_FOR_EACH_O_I(BOOST_PP_TUPLE_ELEM(3, 0, x), BOOST_PP_TUPLE_ELEM(3, 1, x), BOOST_PP_TUPLE_ELEM(3, 2, x))
    1.41 -# endif
    1.42 -#
    1.43 -# define BOOST_PP_SEQ_FOR_EACH_O_I(macro, data, seq) (macro, data, BOOST_PP_SEQ_TAIL(seq))
    1.44 -#
    1.45 -# if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_STRICT()
    1.46 -#    define BOOST_PP_SEQ_FOR_EACH_M(r, x) BOOST_PP_SEQ_FOR_EACH_M_IM(r, BOOST_PP_TUPLE_REM_3 x)
    1.47 -#    define BOOST_PP_SEQ_FOR_EACH_M_IM(r, im) BOOST_PP_SEQ_FOR_EACH_M_I(r, im)
    1.48 -# else
    1.49 -#    define BOOST_PP_SEQ_FOR_EACH_M(r, x) BOOST_PP_SEQ_FOR_EACH_M_I(r, BOOST_PP_TUPLE_ELEM(3, 0, x), BOOST_PP_TUPLE_ELEM(3, 1, x), BOOST_PP_TUPLE_ELEM(3, 2, x))
    1.50 -# endif
    1.51 -#
    1.52 -# define BOOST_PP_SEQ_FOR_EACH_M_I(r, macro, data, seq) macro(r, data, BOOST_PP_SEQ_HEAD(seq))
    1.53 -#
    1.54 -# /* BOOST_PP_SEQ_FOR_EACH_R */
    1.55 -#
    1.56 -# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
    1.57 -#    define BOOST_PP_SEQ_FOR_EACH_R(r, macro, data, seq) BOOST_PP_FOR_ ## r((macro, data, seq (nil)), BOOST_PP_SEQ_FOR_EACH_P, BOOST_PP_SEQ_FOR_EACH_O, BOOST_PP_SEQ_FOR_EACH_M)
    1.58 -# else
    1.59 -#    define BOOST_PP_SEQ_FOR_EACH_R(r, macro, data, seq) BOOST_PP_SEQ_FOR_EACH_R_I(r, macro, data, seq)
    1.60 -#    define BOOST_PP_SEQ_FOR_EACH_R_I(r, macro, data, seq) BOOST_PP_FOR_ ## r((macro, data, seq (nil)), BOOST_PP_SEQ_FOR_EACH_P, BOOST_PP_SEQ_FOR_EACH_O, BOOST_PP_SEQ_FOR_EACH_M)
    1.61 -# endif
    1.62 -#
    1.63 -# endif
    1.64 +
    1.65 +#ifndef BOOST_MPL_FOR_EACH_HPP_INCLUDED
    1.66 +#define BOOST_MPL_FOR_EACH_HPP_INCLUDED
    1.67 +
    1.68 +// Copyright Aleksey Gurtovoy 2000-2004
    1.69 +//
    1.70 +// Distributed under the Boost Software License, Version 1.0. 
    1.71 +// (See accompanying file LICENSE_1_0.txt or copy at 
    1.72 +// http://www.boost.org/LICENSE_1_0.txt)
    1.73 +//
    1.74 +// See http://www.boost.org/libs/mpl for documentation.
    1.75 +
    1.76 +// $Source: /cvsroot/boost/boost/boost/mpl/for_each.hpp,v $
    1.77 +// $Date: 2004/09/04 01:33:46 $
    1.78 +// $Revision: 1.9 $
    1.79 +
    1.80 +#include <boost/mpl/begin_end.hpp>
    1.81 +#include <boost/mpl/apply.hpp>
    1.82 +#include <boost/mpl/bool.hpp>
    1.83 +#include <boost/mpl/next_prior.hpp>
    1.84 +#include <boost/mpl/deref.hpp>
    1.85 +#include <boost/mpl/identity.hpp>
    1.86 +#include <boost/mpl/aux_/unwrap.hpp>
    1.87 +
    1.88 +#include <boost/type_traits/is_same.hpp>
    1.89 +#include <boost/utility/value_init.hpp>
    1.90 +
    1.91 +namespace boost { namespace mpl {
    1.92 +
    1.93 +namespace aux {
    1.94 +
    1.95 +template< bool done = true >
    1.96 +struct for_each_impl
    1.97 +{
    1.98 +    template<
    1.99 +          typename Iterator
   1.100 +        , typename LastIterator
   1.101 +        , typename TransformFunc
   1.102 +        , typename F
   1.103 +        >
   1.104 +    static void execute(
   1.105 +          Iterator*
   1.106 +        , LastIterator*
   1.107 +        , TransformFunc*
   1.108 +        , F
   1.109 +        )
   1.110 +    {
   1.111 +    }
   1.112 +};
   1.113 +
   1.114 +template<>
   1.115 +struct for_each_impl<false>
   1.116 +{
   1.117 +    template<
   1.118 +          typename Iterator
   1.119 +        , typename LastIterator
   1.120 +        , typename TransformFunc
   1.121 +        , typename F
   1.122 +        >
   1.123 +    static void execute(
   1.124 +          Iterator*
   1.125 +        , LastIterator*
   1.126 +        , TransformFunc* 
   1.127 +        , F f
   1.128 +        )
   1.129 +    {
   1.130 +        typedef typename deref<Iterator>::type item;
   1.131 +        typedef typename apply1<TransformFunc,item>::type arg;
   1.132 +    
   1.133 +        // dwa 2002/9/10 -- make sure not to invoke undefined behavior
   1.134 +        // when we pass arg.
   1.135 +        value_initialized<arg> x;
   1.136 +        aux::unwrap(f, 0)(boost::get(x));
   1.137 +        
   1.138 +        typedef typename mpl::next<Iterator>::type iter;
   1.139 +        for_each_impl<boost::is_same<iter,LastIterator>::value>
   1.140 +            ::execute((iter*)0, (LastIterator*)0, (TransformFunc*)0, f);
   1.141 +    }
   1.142 +};
   1.143 +
   1.144 +} // namespace aux
   1.145 +
   1.146 +// agurt, 17/mar/02: pointer default parameters are necessary to workaround 
   1.147 +// MSVC 6.5 function template signature's mangling bug
   1.148 +template<
   1.149 +      typename Sequence
   1.150 +    , typename TransformOp
   1.151 +    , typename F
   1.152 +    >
   1.153 +inline
   1.154 +void for_each(F f, Sequence* = 0, TransformOp* = 0)
   1.155 +{
   1.156 +    typedef typename begin<Sequence>::type first;
   1.157 +    typedef typename end<Sequence>::type last;
   1.158 +
   1.159 +    aux::for_each_impl< boost::is_same<first,last>::value >
   1.160 +        ::execute((first*)0, (last*)0, (TransformOp*)0, f);
   1.161 +}
   1.162 +
   1.163 +template<
   1.164 +      typename Sequence
   1.165 +    , typename F
   1.166 +    >
   1.167 +inline
   1.168 +void for_each(F f, Sequence* = 0)
   1.169 +{
   1.170 +    for_each<Sequence, identity<> >(f);
   1.171 +}
   1.172 +
   1.173 +}}
   1.174 +
   1.175 +#endif // BOOST_MPL_FOR_EACH_HPP_INCLUDED