73 lines
2.1 KiB
C++
73 lines
2.1 KiB
C++
/* Copyright 2003-2008 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_INDEXED_BY_HPP
|
|
#define BOOST_MULTI_INDEX_INDEXED_BY_HPP
|
|
|
|
#if defined(_MSC_VER)&&(_MSC_VER>=1200)
|
|
#pragma once
|
|
#endif
|
|
|
|
#include <boost/config.hpp> /* keep it first to prevent nasty warns in MSVC */
|
|
#include <boost/mpl/vector.hpp>
|
|
#include <boost/preprocessor/cat.hpp>
|
|
#include <boost/preprocessor/control/expr_if.hpp>
|
|
#include <boost/preprocessor/repetition/enum.hpp>
|
|
#include <boost/preprocessor/repetition/enum_params.hpp>
|
|
|
|
/* An alias to mpl::vector used to hide MPL from the user.
|
|
* indexed_by contains the index specifiers for instantiation
|
|
* of a multi_index_container.
|
|
*/
|
|
|
|
/* This user_definable macro limits the number of elements of an index list;
|
|
* useful for shortening resulting symbol names (MSVC++ 6.0, for instance,
|
|
* has problems coping with very long symbol names.)
|
|
*/
|
|
|
|
#if !defined(BOOST_MULTI_INDEX_LIMIT_INDEXED_BY_SIZE)
|
|
#if defined(BOOST_MSVC)&&(BOOST_MSVC<1300)
|
|
#define BOOST_MULTI_INDEX_LIMIT_INDEXED_BY_SIZE 5
|
|
#else
|
|
#define BOOST_MULTI_INDEX_LIMIT_INDEXED_BY_SIZE BOOST_MPL_LIMIT_VECTOR_SIZE
|
|
#endif
|
|
#endif
|
|
|
|
#if BOOST_MULTI_INDEX_LIMIT_INDEXED_BY_SIZE<BOOST_MPL_LIMIT_VECTOR_SIZE
|
|
#define BOOST_MULTI_INDEX_INDEXED_BY_SIZE \
|
|
BOOST_MULTI_INDEX_LIMIT_INDEXED_BY_SIZE
|
|
#else
|
|
#define BOOST_MULTI_INDEX_INDEXED_BY_SIZE BOOST_MPL_LIMIT_VECTOR_SIZE
|
|
#endif
|
|
|
|
#define BOOST_MULTI_INDEX_INDEXED_BY_TEMPLATE_PARM(z,n,var) \
|
|
typename BOOST_PP_CAT(var,n) BOOST_PP_EXPR_IF(n,=mpl::na)
|
|
|
|
namespace boost{
|
|
|
|
namespace multi_index{
|
|
|
|
template<
|
|
BOOST_PP_ENUM(
|
|
BOOST_MULTI_INDEX_INDEXED_BY_SIZE,
|
|
BOOST_MULTI_INDEX_INDEXED_BY_TEMPLATE_PARM,T)
|
|
>
|
|
struct indexed_by:
|
|
mpl::vector<BOOST_PP_ENUM_PARAMS(BOOST_MULTI_INDEX_INDEXED_BY_SIZE,T)>
|
|
{
|
|
};
|
|
|
|
} /* namespace multi_index */
|
|
|
|
} /* namespace boost */
|
|
|
|
#undef BOOST_MULTI_INDEX_INDEXED_BY_TEMPLATE_PARM
|
|
#undef BOOST_MULTI_INDEX_INDEXED_BY_SIZE
|
|
|
|
#endif
|