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			Plaintext
		
	
	
	
	
	
		
		
			
		
	
	
			69 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
|   | /* 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_INDEXED_BY_HPP | ||
|  | #define BOOST_MULTI_INDEX_INDEXED_BY_HPP | ||
|  | 
 | ||
|  | #if defined(_MSC_VER) | ||
|  | #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) | ||
|  | #define BOOST_MULTI_INDEX_LIMIT_INDEXED_BY_SIZE BOOST_MPL_LIMIT_VECTOR_SIZE | ||
|  | #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 |