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boost/ptr_container/ptr_unordered_map.hpp

//
// Boost.Pointer Container
//
//  Copyright Thorsten Ottosen 2008. Use, modification and
//  distribution is subject to 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)
//
// For more information, see http://www.boost.org/libs/ptr_container/
//

#ifndef BOOST_PTR_CONTAINER_PTR_UNORDERED_MAP_HPP
#define BOOST_PTR_CONTAINER_PTR_UNORDERED_MAP_HPP

#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif

#include <boost/unordered_map.hpp>
#include <boost/ptr_container/ptr_map_adapter.hpp>

namespace boost
{
    
    template
    < 
        class Key, 
        class T, 
        class Hash           = boost::hash<Key>,
        class Pred           = std::equal_to<Key>,
        class CloneAllocator = heap_clone_allocator,
        class Allocator      = std::allocator< std::pair<const Key,void*> >
    >
    class ptr_unordered_map : 
        public ptr_map_adapter<T,boost::unordered_map<Key,void*,Hash,Pred,Allocator>,
                               CloneAllocator,false>
    {
        typedef ptr_map_adapter<T,boost::unordered_map<Key,void*,Hash,Pred,Allocator>,
                               CloneAllocator,false>
            base_type;

        typedef ptr_unordered_map<Key,T,Hash,Pred,CloneAllocator,Allocator> this_type;

    public:
        typedef typename base_type::size_type size_type;
        
    private:
        using base_type::lower_bound;
        using base_type::upper_bound;
        using base_type::rbegin;
        using base_type::rend;
        using base_type::crbegin;
        using base_type::crend;
        using base_type::key_comp;
        using base_type::value_comp;
        using base_type::front;
        using base_type::back;
        
    public:
        using base_type::begin;
        using base_type::end;
        using base_type::cbegin;
        using base_type::cend;
        using base_type::bucket_count;
        using base_type::max_bucket_count;
        using base_type::bucket_size;
        using base_type::bucket;
        using base_type::load_factor;
        using base_type::max_load_factor;
        using base_type::rehash;
        using base_type::key_eq;
        using base_type::hash_function;
        
    public:
        ptr_unordered_map()
        { }

        explicit ptr_unordered_map( size_type n )
        : base_type( n, ptr_container_detail::unordered_associative_container_tag() )
        { }
        
        ptr_unordered_map( size_type n,
                           const Hash& comp,
                           const Pred& pred   = Pred(),                                         
                           const Allocator& a = Allocator() )
         : base_type( n, comp, pred, a ) 
        { }

        template< typename InputIterator >
        ptr_unordered_map( InputIterator first, InputIterator last )
         : base_type( first, last )
        { }
        
        template< typename InputIterator >
        ptr_unordered_map( InputIterator first, InputIterator last,
                           const Hash& comp,
                           const Pred& pred   = Pred(),
                           const Allocator& a = Allocator() )
         : base_type( first, last, comp, pred, a ) 
        { }

        BOOST_PTR_CONTAINER_DEFINE_RELEASE_AND_CLONE( ptr_unordered_map, 
                                                      base_type, 
                                                      this_type )

        template< class U >
        ptr_unordered_map( const ptr_unordered_map<Key,U>& r ) : base_type( r )
        { }

        ptr_unordered_map& operator=( ptr_unordered_map r )
        {
            this->swap( r );
            return *this;
        }
    };
    


    template
    < 
        class Key, 
        class T, 
        class Hash           = boost::hash<Key>,
        class Pred           = std::equal_to<Key>,
        class CloneAllocator = heap_clone_allocator,
        class Allocator      = std::allocator< std::pair<const Key,void*> >
    >
    class ptr_unordered_multimap : 
        public ptr_multimap_adapter<T,boost::unordered_multimap<Key,void*,Hash,Pred,Allocator>,
                                    CloneAllocator,false>
    {
        typedef ptr_multimap_adapter<T,boost::unordered_multimap<Key,void*,Hash,Pred,Allocator>,
                                     CloneAllocator,false>
            base_type;

        typedef ptr_unordered_multimap<Key,T,Hash,Pred,CloneAllocator,Allocator> this_type;

    public:
        typedef typename base_type::size_type size_type;
        
    private:
        using base_type::lower_bound;
        using base_type::upper_bound;
        using base_type::rbegin;
        using base_type::rend;
        using base_type::crbegin;
        using base_type::crend;
        using base_type::key_comp;
        using base_type::value_comp;
        using base_type::front;
        using base_type::back;
        
    public:
        using base_type::begin;
        using base_type::end;
        using base_type::cbegin;
        using base_type::cend;
        using base_type::bucket_count;
        using base_type::max_bucket_count;
        using base_type::bucket_size;
        using base_type::bucket;
        using base_type::load_factor;
        using base_type::max_load_factor;
        using base_type::rehash;
        using base_type::key_eq;
        using base_type::hash_function;
        
    public:
        ptr_unordered_multimap()
        { }

        explicit ptr_unordered_multimap( size_type n )
        : base_type( n, ptr_container_detail::unordered_associative_container_tag() )
        { }
        
        ptr_unordered_multimap( size_type n,
                                const Hash& comp,
                                const Pred& pred   = Pred(),                                         
                                const Allocator& a = Allocator() )
         : base_type( n, comp, pred, a ) 
        { }

        template< typename InputIterator >
        ptr_unordered_multimap( InputIterator first, InputIterator last )
         : base_type( first, last )
        { }
        
        template< typename InputIterator >
        ptr_unordered_multimap( InputIterator first, InputIterator last,
                                const Hash& comp,
                                const Pred& pred   = Pred(),
                                const Allocator& a = Allocator() )
         : base_type( first, last, comp, pred, a ) 
        { }

        BOOST_PTR_CONTAINER_DEFINE_RELEASE_AND_CLONE( ptr_unordered_multimap, 
                                                      base_type, 
                                                      this_type )

        template< class U >
        ptr_unordered_multimap( const ptr_unordered_multimap<Key,U>& r ) : base_type( r )
        { }

        ptr_unordered_multimap& operator=( ptr_unordered_multimap r )
        {
            this->swap( r );
            return *this;
        }
    };
    
    //////////////////////////////////////////////////////////////////////////////
    // clonability

    template< class K, class T, class H, class P, class CA, class A >
    inline ptr_unordered_map<K,T,H,P,CA,A>* 
    new_clone( const ptr_unordered_map<K,T,H,P,CA,A>& r )
    {
        return r.clone().release();
    }

    template< class K, class T, class H, class P, class CA, class A >
    inline ptr_unordered_multimap<K,T,H,P,CA,A>* 
    new_clone( const ptr_unordered_multimap<K,T,H,P,CA,A>& r )
    {
        return r.clone().release();
    }

    /////////////////////////////////////////////////////////////////////////
    // swap

    template< class K, class T, class H, class P, class CA, class A >
    inline void swap( ptr_unordered_map<K,T,H,P,CA,A>& l, 
                      ptr_unordered_map<K,T,H,P,CA,A>& r )
    {
        l.swap(r);
    }

    template< class K, class T, class H, class P, class CA, class A >
    inline void swap( ptr_unordered_multimap<K,T,H,P,CA,A>& l, 
                      ptr_unordered_multimap<K,T,H,P,CA,A>& r )
    {
        l.swap(r);
    }


}

#endif