epoc32/include/stdapis/boost/multi_index/indexed_by.hpp
author William Roberts <williamr@symbian.org>
Wed, 31 Mar 2010 12:33:34 +0100
branchSymbian3
changeset 4 837f303aceeb
permissions -rw-r--r--
Current Symbian^3 public API header files (from PDK 3.0.h)
This is the epoc32/include tree with the "platform" subtrees removed, and
all but a selected few mbg and rsg files removed.
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/* Copyright 2003-2005 Joaquín M López Muñoz.
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 * Distributed under the Boost Software License, Version 1.0.
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 * (See accompanying file LICENSE_1_0.txt or copy at
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 * http://www.boost.org/LICENSE_1_0.txt)
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 *
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 * See http://www.boost.org/libs/multi_index for library home page.
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 */
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#ifndef BOOST_MULTI_INDEX_INDEXED_BY_HPP
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#define BOOST_MULTI_INDEX_INDEXED_BY_HPP
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#if defined(_MSC_VER)&&(_MSC_VER>=1200)
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#pragma once
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#endif
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#include <boost/config.hpp> /* keep it first to prevent nasty warns in MSVC */
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#include <boost/mpl/vector.hpp>
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#include <boost/preprocessor/cat.hpp>
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#include <boost/preprocessor/control/expr_if.hpp>
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#include <boost/preprocessor/repetition/enum.hpp>
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#include <boost/preprocessor/repetition/enum_params.hpp> 
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/* An alias to mpl::vector used to hide MPL from the user.
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 * indexed_by contains the index specifiers for instantiation
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 * of a multi_index_container.
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 */
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/* This user_definable macro limits the number of elements of an index list;
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 * useful for shortening resulting symbol names (MSVC++ 6.0, for instance,
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 * has problems coping with very long symbol names.)
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 */
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#if !defined(BOOST_MULTI_INDEX_LIMIT_INDEXED_BY_SIZE)
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#if defined(BOOST_MSVC)&&(BOOST_MSVC<1300)
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#define BOOST_MULTI_INDEX_LIMIT_INDEXED_BY_SIZE 5
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#else
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#define BOOST_MULTI_INDEX_LIMIT_INDEXED_BY_SIZE BOOST_MPL_LIMIT_VECTOR_SIZE
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#endif
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#endif
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#if BOOST_MULTI_INDEX_LIMIT_INDEXED_BY_SIZE<BOOST_MPL_LIMIT_VECTOR_SIZE
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#define BOOST_MULTI_INDEX_INDEXED_BY_SIZE \
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  BOOST_MULTI_INDEX_LIMIT_INDEXED_BY_SIZE
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#else
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#define BOOST_MULTI_INDEX_INDEXED_BY_SIZE BOOST_MPL_LIMIT_VECTOR_SIZE
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#endif
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#define BOOST_MULTI_INDEX_INDEXED_BY_TEMPLATE_PARM(z,n,var) \
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  typename BOOST_PP_CAT(var,n) BOOST_PP_EXPR_IF(n,=mpl::na)
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namespace boost{
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namespace multi_index{
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template<
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  BOOST_PP_ENUM(
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    BOOST_MULTI_INDEX_INDEXED_BY_SIZE,
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    BOOST_MULTI_INDEX_INDEXED_BY_TEMPLATE_PARM,T)
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>
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struct indexed_by:
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  mpl::vector<BOOST_PP_ENUM_PARAMS(BOOST_MULTI_INDEX_INDEXED_BY_SIZE,T)>
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{
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};
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} /* namespace multi_index */
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} /* namespace boost */
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#undef BOOST_MULTI_INDEX_INDEXED_BY_TEMPLATE_PARM
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#undef BOOST_MULTI_INDEX_INDEXED_BY_SIZE
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#endif