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Diffstat (limited to '3rdParty/Boost/src/boost/fusion/iterator/iterator_adapter.hpp')
| -rw-r--r-- | 3rdParty/Boost/src/boost/fusion/iterator/iterator_adapter.hpp | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/fusion/iterator/iterator_adapter.hpp b/3rdParty/Boost/src/boost/fusion/iterator/iterator_adapter.hpp new file mode 100644 index 0000000..9077f8f --- /dev/null +++ b/3rdParty/Boost/src/boost/fusion/iterator/iterator_adapter.hpp @@ -0,0 +1,125 @@ +/*============================================================================= + Copyright (c) 2001-2011 Joel de Guzman + + 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) +==============================================================================*/ +#if !defined(FUSION_ITERATOR_ADAPTER_08112011_0942) +#define FUSION_ITERATOR_ADAPTER_08112011_0942 + +#include <boost/fusion/iterator/detail/advance.hpp> +#include <boost/fusion/iterator/iterator_facade.hpp> +#include <boost/type_traits/remove_const.hpp> + +namespace boost { namespace fusion +{ + template <typename Derived_, typename Iterator_, + typename Category = typename Iterator_::category> + struct iterator_adapter + : iterator_facade<Derived_, Category> + { + typedef typename + remove_const<Iterator_>::type + iterator_base_type; + iterator_base_type iterator_base; + + iterator_adapter(iterator_base_type const& iterator_base_) + : iterator_base(iterator_base_) {} + + // default implementation + template <typename I1, typename I2> + struct equal_to + : result_of::equal_to< + typename I1::iterator_base_type + , typename I2::iterator_base_type + > + {}; + + // default implementation + template <typename Iterator, typename N> + struct advance + { + typedef typename Derived_::template make< + typename result_of::advance< + typename Iterator::iterator_base_type, N + >::type>::type + type; + + static type + call(Iterator const& it) + { + return type(fusion::advance<N>(it.iterator_base)); + } + }; + + // default implementation + template <typename First, typename Last> + struct distance + : result_of::distance< + typename First::iterator_base_type + , typename Last::iterator_base_type + > + {}; + + // default implementation + template <typename Iterator> + struct value_of + : result_of::value_of< + typename Iterator::iterator_base_type + > + {}; + + // default implementation + template <typename Iterator> + struct deref + { + typedef typename + result_of::deref< + typename Iterator::iterator_base_type + >::type + type; + + static type + call(Iterator const& it) + { + return fusion::deref(it.iterator_base); + } + }; + + // default implementation + template <typename Iterator> + struct next + { + typedef typename Derived_::template make< + typename result_of::next< + typename Iterator::iterator_base_type + >::type>::type + type; + + static type + call(Iterator const& i) + { + return type(fusion::next(i.iterator_base)); + } + }; + + // default implementation + template <typename Iterator> + struct prior + { + typedef typename Derived_::template make< + typename result_of::prior< + typename Iterator::iterator_base_type + >::type>::type + type; + + static type + call(Iterator const& i) + { + return type(fusion::prior(i.iterator_base)); + } + }; + }; +}} + +#endif |