Claw  1.7.0
multi_type_map.hpp
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00001 /*
00002   CLAW - a C++ Library Absolutely Wonderful
00003 
00004   CLAW is a free library without any particular aim but being useful to 
00005   anyone.
00006 
00007   Copyright (C) 2005-2011 Julien Jorge
00008 
00009   This library is free software; you can redistribute it and/or
00010   modify it under the terms of the GNU Lesser General Public
00011   License as published by the Free Software Foundation; either
00012   version 2.1 of the License, or (at your option) any later version.
00013 
00014   This library is distributed in the hope that it will be useful,
00015   but WITHOUT ANY WARRANTY; without even the implied warranty of
00016   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00017   Lesser General Public License for more details.
00018 
00019   You should have received a copy of the GNU Lesser General Public
00020   License along with this library; if not, write to the Free Software
00021   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
00022 
00023   contact: julien.jorge@gamned.org
00024 */
00030 #ifndef __CLAW_MULTI_TYPE_MAP_HPP__
00031 #define __CLAW_MULTI_TYPE_MAP_HPP__
00032 
00033 #include <claw/meta/no_type.hpp>
00034 #include <claw/meta/type_list.hpp>
00035 #include <map>
00036 
00037 namespace claw
00038 {
00059   template<typename ValueType, typename Map>
00060   class multi_type_map_wrapper;
00061 
00067   template<typename Map>
00068   class multi_type_map_helper;
00069 
00089   template<typename Key, typename TypeList>
00090   class multi_type_map;
00091 
00095   template<typename Key>
00096   class multi_type_map<Key, meta::no_type>
00097   {
00098 
00099   }; // class multi_type_map
00100 
00105   template<typename Key, typename Head, typename Tail>
00106   class multi_type_map< Key, meta::type_list<Head, Tail> >:
00107     public multi_type_map<Key, Tail>
00108   {
00109   public:
00110     typedef Key key_type;
00111     typedef Head value_type;
00112     typedef meta::type_list<Head, Tail> value_type_list;
00113     typedef multi_type_map< Key, meta::type_list<Head, Tail> > self_type;
00114     typedef std::map<key_type, value_type> container_type;
00115     typedef multi_type_map<Key, Tail> super;
00116 
00117     friend struct multi_type_map_wrapper<value_type, self_type>;
00118     friend struct multi_type_map_helper<self_type>;
00119 
00122     template<typename ValueType>
00123     struct iterator
00124     {
00126       typedef typename std::map<key_type, ValueType>::iterator type;
00127 
00129       typedef
00130       typename std::map<key_type, ValueType>::const_iterator const_type;
00131     }; // struct iterator
00132 
00133   private:
00134     typedef typename iterator<value_type>::type iterator_type;
00135     typedef typename iterator<value_type>::const_type const_iterator_type;
00136 
00137   public:
00138     template<typename ValueType>
00139     void erase( typename iterator<ValueType>::type it );
00140 
00141     template<typename ValueType>
00142     std::size_t erase( const key_type& k );
00143 
00144     template<typename ValueType>
00145     const ValueType& get( const key_type& k ) const;
00146 
00147     template<typename ValueType>
00148     ValueType& get( const key_type& k );
00149 
00150     template<typename ValueType>
00151     void set( const key_type& k, const ValueType& v );
00152 
00153     void set( const self_type& m );
00154 
00155     template<typename ValueType>
00156     bool exists( const key_type& k ) const;
00157 
00158     std::size_t size() const;
00159 
00160     template<typename ValueType>
00161     typename iterator<ValueType>::type begin();
00162 
00163     template<typename ValueType>
00164     typename iterator<ValueType>::type end();
00165 
00166     template<typename ValueType>
00167     typename iterator<ValueType>::const_type begin() const;
00168 
00169     template<typename ValueType>
00170     typename iterator<ValueType>::const_type end() const;
00171 
00172   private:
00174     container_type m_data;
00175 
00176   }; // class multi_type_map
00177 
00178 } // namespace claw
00179 
00180 #include <claw/impl/multi_type_map.tpp>
00181 
00182 #endif // __CLAW_MULTI_TYPE_MAP_HPP__