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author | Tobias Markmann <tm@ayena.de> | 2017-02-17 17:15:41 (GMT) |
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committer | Tobias Markmann <tm@ayena.de> | 2017-02-22 10:54:22 (GMT) |
commit | eea861301be0bf3e3f5db6cfc3cada38d133fef2 (patch) | |
tree | 3c2aa07ce3724a73ce2124832bee6b8c7884c9df /3rdParty/Boost/src/boost/multi_index/detail/base_type.hpp | |
parent | 80801aaeba2d29e3a375a01d782cf081e778dfaf (diff) | |
download | swift-eea861301be0bf3e3f5db6cfc3cada38d133fef2.zip swift-eea861301be0bf3e3f5db6cfc3cada38d133fef2.tar.bz2 |
Add LRUCache utility class to Swiften
This implements a simple lookup cache with least recently used
replacement strategy.
This also adds Boost.MultiIndex from version 1.56 to 3rdParty.
Test-Information:
Added some unit tests for LRUCache, which pass on macOS 10.12.3
with clang-5.0
Change-Id: I0567945b1197d3fe786bf9d82fdb5e755743b975
Diffstat (limited to '3rdParty/Boost/src/boost/multi_index/detail/base_type.hpp')
-rw-r--r-- | 3rdParty/Boost/src/boost/multi_index/detail/base_type.hpp | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/multi_index/detail/base_type.hpp b/3rdParty/Boost/src/boost/multi_index/detail/base_type.hpp new file mode 100644 index 0000000..8c9b62b --- /dev/null +++ b/3rdParty/Boost/src/boost/multi_index/detail/base_type.hpp @@ -0,0 +1,74 @@ +/* Copyright 2003-2013 Joaquin M Lopez Munoz. + * 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/multi_index for library home page. + */ + +#ifndef BOOST_MULTI_INDEX_DETAIL_BASE_TYPE_HPP +#define BOOST_MULTI_INDEX_DETAIL_BASE_TYPE_HPP + +#if defined(_MSC_VER) +#pragma once +#endif + +#include <boost/config.hpp> /* keep it first to prevent nasty warns in MSVC */ +#include <boost/detail/workaround.hpp> +#include <boost/mpl/at.hpp> +#include <boost/mpl/apply.hpp> +#include <boost/mpl/size.hpp> +#include <boost/multi_index/detail/index_base.hpp> +#include <boost/multi_index/detail/is_index_list.hpp> +#include <boost/static_assert.hpp> + +namespace boost{ + +namespace multi_index{ + +namespace detail{ + +/* MPL machinery to construct a linear hierarchy of indices out of + * a index list. + */ + +struct index_applier +{ + template<typename IndexSpecifierMeta,typename SuperMeta> + struct apply + { + typedef typename IndexSpecifierMeta::type index_specifier; + typedef typename index_specifier:: + BOOST_NESTED_TEMPLATE index_class<SuperMeta>::type type; + }; +}; + +template<int N,typename Value,typename IndexSpecifierList,typename Allocator> +struct nth_layer +{ + BOOST_STATIC_CONSTANT(int,length=mpl::size<IndexSpecifierList>::value); + + typedef typename mpl::eval_if_c< + N==length, + mpl::identity<index_base<Value,IndexSpecifierList,Allocator> >, + mpl::apply2< + index_applier, + mpl::at_c<IndexSpecifierList,N>, + nth_layer<N+1,Value,IndexSpecifierList,Allocator> + > + >::type type; +}; + +template<typename Value,typename IndexSpecifierList,typename Allocator> +struct multi_index_base_type:nth_layer<0,Value,IndexSpecifierList,Allocator> +{ + BOOST_STATIC_ASSERT(detail::is_index_list<IndexSpecifierList>::value); +}; + +} /* namespace multi_index::detail */ + +} /* namespace multi_index */ + +} /* namespace boost */ + +#endif |