diff -r e1b950c65cb4 -r 837f303aceeb epoc32/include/stdapis/boost/mpl/aux_/begin_end_impl.hpp --- a/epoc32/include/stdapis/boost/mpl/aux_/begin_end_impl.hpp Wed Mar 31 12:27:01 2010 +0100 +++ b/epoc32/include/stdapis/boost/mpl/aux_/begin_end_impl.hpp Wed Mar 31 12:33:34 2010 +0100 @@ -1,43 +1,100 @@ -#ifndef BOOST_MPL_SET_AUX_BEGIN_END_IMPL_HPP_INCLUDED -#define BOOST_MPL_SET_AUX_BEGIN_END_IMPL_HPP_INCLUDED +#ifndef BOOST_MPL_AUX_BEGIN_END_IMPL_HPP_INCLUDED +#define BOOST_MPL_AUX_BEGIN_END_IMPL_HPP_INCLUDED -// Copyright Aleksey Gurtovoy 2003-2004 -// Copyright David Abrahams 2003-2004 +// Copyright Aleksey Gurtovoy 2000-2004 // -// Distributed under the Boost Software License, Version 1.0. +// 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. -// $Source: /cvsroot/boost/boost/boost/mpl/set/aux_/begin_end_impl.hpp,v $ -// $Date: 2004/09/02 15:41:02 $ -// $Revision: 1.3 $ +// $Source: /cvsroot/boost/boost/boost/mpl/aux_/begin_end_impl.hpp,v $ +// $Date: 2006/07/22 15:08:37 $ +// $Revision: 1.8.14.1 $ #include -#include +#include +#include +#include +#include +#include +#include +#include namespace boost { namespace mpl { -template<> -struct begin_impl< aux::set_tag > +namespace aux { + +template< typename Sequence > +struct begin_type +{ + typedef typename Sequence::begin type; +}; +template< typename Sequence > +struct end_type +{ + typedef typename Sequence::end type; +}; + +} + +// default implementation; conrete sequences might override it by +// specializing either the 'begin_impl/end_impl' or the primary +// 'begin/end' templates + +template< typename Tag > +struct begin_impl { - template< typename Set > struct apply + template< typename Sequence > struct apply { - typedef s_iter type; + typedef typename eval_if, + aux::begin_type, void_>::type type; }; }; -template<> -struct end_impl< aux::set_tag > +template< typename Tag > +struct end_impl { - template< typename Set > struct apply + template< typename Sequence > struct apply { - typedef s_iter< Set,set0<> > type; + typedef typename eval_if, + aux::end_type, void_>::type type; }; }; +// specialize 'begin_trait/end_trait' for two pre-defined tags + +# define AUX778076_IMPL_SPEC(name, tag, result) \ +template<> \ +struct name##_impl \ +{ \ + template< typename Sequence > struct apply \ + { \ + typedef result type; \ + }; \ +}; \ +/**/ + +// a sequence with nested 'begin/end' typedefs; just query them +AUX778076_IMPL_SPEC(begin, nested_begin_end_tag, typename Sequence::begin) +AUX778076_IMPL_SPEC(end, nested_begin_end_tag, typename Sequence::end) + +// if a type 'T' does not contain 'begin/end' or 'tag' members +// and doesn't specialize either 'begin/end' or 'begin_impl/end_impl' +// templates, then we end up here +AUX778076_IMPL_SPEC(begin, non_sequence_tag, void_) +AUX778076_IMPL_SPEC(end, non_sequence_tag, void_) +AUX778076_IMPL_SPEC(begin, na, void_) +AUX778076_IMPL_SPEC(end, na, void_) + +# undef AUX778076_IMPL_SPEC + + +BOOST_MPL_ALGORITM_TRAITS_LAMBDA_SPEC(1,begin_impl) +BOOST_MPL_ALGORITM_TRAITS_LAMBDA_SPEC(1,end_impl) + }} -#endif // BOOST_MPL_SET_AUX_BEGIN_END_IMPL_HPP_INCLUDED +#endif // BOOST_MPL_AUX_BEGIN_END_IMPL_HPP_INCLUDED