294 lines
		
	
	
		
			9.0 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			294 lines
		
	
	
		
			9.0 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| /* Copyright 2003-2014 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_INDEX_BASE_HPP
 | |
| #define BOOST_MULTI_INDEX_DETAIL_INDEX_BASE_HPP
 | |
| 
 | |
| #if defined(_MSC_VER)
 | |
| #pragma once
 | |
| #endif
 | |
| 
 | |
| #include <boost/config.hpp> /* keep it first to prevent nasty warns in MSVC */
 | |
| #include <boost/detail/allocator_utilities.hpp>
 | |
| #include <boost/detail/no_exceptions_support.hpp>
 | |
| #include <boost/detail/workaround.hpp>
 | |
| #include <boost/move/core.hpp>
 | |
| #include <boost/move/utility.hpp>
 | |
| #include <boost/mpl/vector.hpp>
 | |
| #include <boost/multi_index/detail/copy_map.hpp>
 | |
| #include <boost/multi_index/detail/do_not_copy_elements_tag.hpp>
 | |
| #include <boost/multi_index/detail/node_type.hpp>
 | |
| #include <boost/multi_index/detail/vartempl_support.hpp>
 | |
| #include <boost/multi_index_container_fwd.hpp>
 | |
| #include <boost/tuple/tuple.hpp>
 | |
| #include <utility>
 | |
| 
 | |
| #if !defined(BOOST_MULTI_INDEX_DISABLE_SERIALIZATION)
 | |
| #include <boost/multi_index/detail/index_loader.hpp>
 | |
| #include <boost/multi_index/detail/index_saver.hpp>
 | |
| #endif
 | |
| 
 | |
| namespace boost{
 | |
| 
 | |
| namespace multi_index{
 | |
| 
 | |
| namespace detail{
 | |
| 
 | |
| /* The role of this class is threefold:
 | |
|  *   - tops the linear hierarchy of indices.
 | |
|  *   - terminates some cascading backbone function calls (insert_, etc.),
 | |
|  *   - grants access to the backbone functions of the final
 | |
|  *     multi_index_container class (for access restriction reasons, these
 | |
|  *     cannot be called directly from the index classes.)
 | |
|  */
 | |
| 
 | |
| struct lvalue_tag{};
 | |
| struct rvalue_tag{};
 | |
| struct emplaced_tag{};
 | |
| 
 | |
| template<typename Value,typename IndexSpecifierList,typename Allocator>
 | |
| class index_base
 | |
| {
 | |
| protected:
 | |
|   typedef index_node_base<Value,Allocator>    node_type;
 | |
|   typedef typename multi_index_node_type<
 | |
|     Value,IndexSpecifierList,Allocator>::type final_node_type;
 | |
|   typedef multi_index_container<
 | |
|     Value,IndexSpecifierList,Allocator>       final_type;
 | |
|   typedef tuples::null_type                   ctor_args_list;
 | |
|   typedef typename 
 | |
|   boost::detail::allocator::rebind_to<
 | |
|     Allocator,
 | |
|     typename Allocator::value_type
 | |
|   >::type                                     final_allocator_type;
 | |
|   typedef mpl::vector0<>                      index_type_list;
 | |
|   typedef mpl::vector0<>                      iterator_type_list;
 | |
|   typedef mpl::vector0<>                      const_iterator_type_list;
 | |
|   typedef copy_map<
 | |
|     final_node_type,
 | |
|     final_allocator_type>                     copy_map_type;
 | |
| 
 | |
| #if !defined(BOOST_MULTI_INDEX_DISABLE_SERIALIZATION)
 | |
|   typedef index_saver<
 | |
|     node_type,
 | |
|     final_allocator_type>                     index_saver_type;
 | |
|   typedef index_loader<
 | |
|     node_type,
 | |
|     final_node_type,
 | |
|     final_allocator_type>                     index_loader_type;
 | |
| #endif
 | |
| 
 | |
| private:
 | |
|   typedef Value                               value_type;
 | |
| 
 | |
| protected:
 | |
|   explicit index_base(const ctor_args_list&,const Allocator&){}
 | |
| 
 | |
|   index_base(
 | |
|     const index_base<Value,IndexSpecifierList,Allocator>&,
 | |
|     do_not_copy_elements_tag)
 | |
|   {}
 | |
| 
 | |
|   void copy_(
 | |
|     const index_base<Value,IndexSpecifierList,Allocator>&,const copy_map_type&)
 | |
|   {}
 | |
| 
 | |
|   final_node_type* insert_(const value_type& v,final_node_type*& x,lvalue_tag)
 | |
|   {
 | |
|     x=final().allocate_node();
 | |
|     BOOST_TRY{
 | |
|       boost::detail::allocator::construct(&x->value(),v);
 | |
|     }
 | |
|     BOOST_CATCH(...){
 | |
|       final().deallocate_node(x);
 | |
|       BOOST_RETHROW;
 | |
|     }
 | |
|     BOOST_CATCH_END
 | |
|     return x;
 | |
|   }
 | |
| 
 | |
|   final_node_type* insert_(const value_type& v,final_node_type*& x,rvalue_tag)
 | |
|   {
 | |
|     x=final().allocate_node();
 | |
|     BOOST_TRY{
 | |
|       /* This shoud have used a modified, T&&-compatible version of
 | |
|        * boost::detail::allocator::construct, but 
 | |
|        * <boost/detail/allocator_utilities.hpp> is too old and venerable to
 | |
|        * mess with; besides, it is a general internal utility and the imperfect
 | |
|        * perfect forwarding emulation of Boost.Move might break other libs.
 | |
|        */
 | |
| 
 | |
|       new (&x->value()) value_type(boost::move(const_cast<value_type&>(v)));
 | |
|     }
 | |
|     BOOST_CATCH(...){
 | |
|       final().deallocate_node(x);
 | |
|       BOOST_RETHROW;
 | |
|     }
 | |
|     BOOST_CATCH_END
 | |
|     return x;
 | |
|   }
 | |
| 
 | |
|   final_node_type* insert_(const value_type&,final_node_type*& x,emplaced_tag)
 | |
|   {
 | |
|     return x;
 | |
|   }
 | |
| 
 | |
|   final_node_type* insert_(
 | |
|     const value_type& v,node_type*,final_node_type*& x,lvalue_tag)
 | |
|   {
 | |
|     return insert_(v,x,lvalue_tag());
 | |
|   }
 | |
| 
 | |
|   final_node_type* insert_(
 | |
|     const value_type& v,node_type*,final_node_type*& x,rvalue_tag)
 | |
|   {
 | |
|     return insert_(v,x,rvalue_tag());
 | |
|   }
 | |
| 
 | |
|   final_node_type* insert_(
 | |
|     const value_type&,node_type*,final_node_type*& x,emplaced_tag)
 | |
|   {
 | |
|     return x;
 | |
|   }
 | |
| 
 | |
|   void erase_(node_type* x)
 | |
|   {
 | |
|     boost::detail::allocator::destroy(&x->value());
 | |
|   }
 | |
| 
 | |
|   void delete_node_(node_type* x)
 | |
|   {
 | |
|     boost::detail::allocator::destroy(&x->value());
 | |
|   }
 | |
| 
 | |
|   void clear_(){}
 | |
| 
 | |
|   void swap_(index_base<Value,IndexSpecifierList,Allocator>&){}
 | |
| 
 | |
|   void swap_elements_(index_base<Value,IndexSpecifierList,Allocator>&){}
 | |
| 
 | |
|   bool replace_(const value_type& v,node_type* x,lvalue_tag)
 | |
|   {
 | |
|     x->value()=v;
 | |
|     return true;
 | |
|   }
 | |
| 
 | |
|   bool replace_(const value_type& v,node_type* x,rvalue_tag)
 | |
|   {
 | |
|     x->value()=boost::move(const_cast<value_type&>(v));
 | |
|     return true;
 | |
|   }
 | |
| 
 | |
|   bool modify_(node_type*){return true;}
 | |
| 
 | |
|   bool modify_rollback_(node_type*){return true;}
 | |
| 
 | |
| #if !defined(BOOST_MULTI_INDEX_DISABLE_SERIALIZATION)
 | |
|   /* serialization */
 | |
| 
 | |
|   template<typename Archive>
 | |
|   void save_(Archive&,const unsigned int,const index_saver_type&)const{}
 | |
| 
 | |
|   template<typename Archive>
 | |
|   void load_(Archive&,const unsigned int,const index_loader_type&){}
 | |
| #endif
 | |
| 
 | |
| #if defined(BOOST_MULTI_INDEX_ENABLE_INVARIANT_CHECKING)
 | |
|   /* invariant stuff */
 | |
| 
 | |
|   bool invariant_()const{return true;}
 | |
| #endif
 | |
| 
 | |
|   /* access to backbone memfuns of Final class */
 | |
| 
 | |
|   final_type&       final(){return *static_cast<final_type*>(this);}
 | |
|   const final_type& final()const{return *static_cast<const final_type*>(this);}
 | |
| 
 | |
|   final_node_type* final_header()const{return final().header();}
 | |
| 
 | |
|   bool        final_empty_()const{return final().empty_();}
 | |
|   std::size_t final_size_()const{return final().size_();}
 | |
|   std::size_t final_max_size_()const{return final().max_size_();}
 | |
| 
 | |
|   std::pair<final_node_type*,bool> final_insert_(const value_type& x)
 | |
|     {return final().insert_(x);}
 | |
|   std::pair<final_node_type*,bool> final_insert_rv_(const value_type& x)
 | |
|     {return final().insert_rv_(x);}
 | |
|   template<typename T>
 | |
|   std::pair<final_node_type*,bool> final_insert_ref_(const T& t)
 | |
|     {return final().insert_ref_(t);}
 | |
|   template<typename T>
 | |
|   std::pair<final_node_type*,bool> final_insert_ref_(T& t)
 | |
|     {return final().insert_ref_(t);}
 | |
| 
 | |
|   template<BOOST_MULTI_INDEX_TEMPLATE_PARAM_PACK>
 | |
|   std::pair<final_node_type*,bool> final_emplace_(
 | |
|     BOOST_MULTI_INDEX_FUNCTION_PARAM_PACK)
 | |
|   {
 | |
|     return final().emplace_(BOOST_MULTI_INDEX_FORWARD_PARAM_PACK);
 | |
|   }
 | |
| 
 | |
|   std::pair<final_node_type*,bool> final_insert_(
 | |
|     const value_type& x,final_node_type* position)
 | |
|     {return final().insert_(x,position);}
 | |
|   std::pair<final_node_type*,bool> final_insert_rv_(
 | |
|     const value_type& x,final_node_type* position)
 | |
|     {return final().insert_rv_(x,position);}
 | |
|   template<typename T>
 | |
|   std::pair<final_node_type*,bool> final_insert_ref_(
 | |
|     const T& t,final_node_type* position)
 | |
|     {return final().insert_ref_(t,position);}
 | |
|   template<typename T>
 | |
|   std::pair<final_node_type*,bool> final_insert_ref_(
 | |
|     T& t,final_node_type* position)
 | |
|     {return final().insert_ref_(t,position);}
 | |
| 
 | |
|   template<BOOST_MULTI_INDEX_TEMPLATE_PARAM_PACK>
 | |
|   std::pair<final_node_type*,bool> final_emplace_hint_(
 | |
|     final_node_type* position,BOOST_MULTI_INDEX_FUNCTION_PARAM_PACK)
 | |
|   {
 | |
|     return final().emplace_hint_(
 | |
|       position,BOOST_MULTI_INDEX_FORWARD_PARAM_PACK);
 | |
|   }
 | |
| 
 | |
|   void final_erase_(final_node_type* x){final().erase_(x);}
 | |
| 
 | |
|   void final_delete_node_(final_node_type* x){final().delete_node_(x);}
 | |
|   void final_delete_all_nodes_(){final().delete_all_nodes_();}
 | |
|   void final_clear_(){final().clear_();}
 | |
| 
 | |
|   void final_swap_(final_type& x){final().swap_(x);}
 | |
| 
 | |
|   bool final_replace_(
 | |
|     const value_type& k,final_node_type* x)
 | |
|     {return final().replace_(k,x);}
 | |
|   bool final_replace_rv_(
 | |
|     const value_type& k,final_node_type* x)
 | |
|     {return final().replace_rv_(k,x);}
 | |
| 
 | |
|   template<typename Modifier>
 | |
|   bool final_modify_(Modifier& mod,final_node_type* x)
 | |
|     {return final().modify_(mod,x);}
 | |
| 
 | |
|   template<typename Modifier,typename Rollback>
 | |
|   bool final_modify_(Modifier& mod,Rollback& back,final_node_type* x)
 | |
|     {return final().modify_(mod,back,x);}
 | |
| 
 | |
| #if defined(BOOST_MULTI_INDEX_ENABLE_INVARIANT_CHECKING)
 | |
|   void final_check_invariant_()const{final().check_invariant_();}
 | |
| #endif
 | |
| };
 | |
| 
 | |
| } /* namespace multi_index::detail */
 | |
| 
 | |
| } /* namespace multi_index */
 | |
| 
 | |
| } /* namespace boost */
 | |
| 
 | |
| #endif
 | 
