Chris@16: //
Chris@16: // Boost.Pointer Container
Chris@16: //
Chris@16: //  Copyright Thorsten Ottosen 2008. Use, modification and
Chris@16: //  distribution is subject to the Boost Software License, Version
Chris@16: //  1.0. (See accompanying file LICENSE_1_0.txt or copy at
Chris@16: //  http://www.boost.org/LICENSE_1_0.txt)
Chris@16: //
Chris@16: // For more information, see http://www.boost.org/libs/ptr_container/
Chris@16: //
Chris@16: 
Chris@16: #ifndef BOOST_PTR_CONTAINER_PTR_INSERTER_HPP
Chris@16: #define BOOST_PTR_CONTAINER_PTR_INSERTER_HPP
Chris@16: 
Chris@16: #if defined(_MSC_VER) && (_MSC_VER >= 1200)
Chris@16:     #pragma once
Chris@16: #endif
Chris@16: 
Chris@16: #include <boost/config.hpp>
Chris@16: #include <iterator>
Chris@16: #include <memory>
Chris@16: 
Chris@16: namespace boost
Chris@16: {
Chris@16: namespace ptr_container
Chris@16: {
Chris@16:     template< class PtrContainer >
Chris@16:     class ptr_back_insert_iterator;
Chris@16: 
Chris@16:     template< class PtrContainer >
Chris@16:     class ptr_front_insert_iterator;
Chris@16:     
Chris@16:     template< class PtrContainer >
Chris@16:     class ptr_insert_iterator;
Chris@16: 
Chris@16:     template< class PtrContainer >
Chris@16:     ptr_back_insert_iterator<PtrContainer> 
Chris@16:     ptr_back_inserter( PtrContainer& cont );
Chris@16: 
Chris@16:     template< class PtrContainer >
Chris@16:     ptr_front_insert_iterator<PtrContainer> 
Chris@16:     ptr_front_inserter( PtrContainer& cont );
Chris@16: 
Chris@16:     template< class PtrContainer >
Chris@16:     ptr_insert_iterator<PtrContainer> 
Chris@16:     ptr_inserter( PtrContainer& cont, typename PtrContainer::iterator before );
Chris@16: 
Chris@16:     //////////////////////////////////////////////////////////////////////////
Chris@16:     // Implementation
Chris@16:     ////////////////////////////////////////////////////////////////////////// 
Chris@16: 
Chris@16: 
Chris@16:     template< class PtrContainer >
Chris@16:     class ptr_back_insert_iterator :
Chris@16:         public std::iterator<std::output_iterator_tag,void,void,void,void>
Chris@16:     {
Chris@16:     public:
Chris@16:         typedef PtrContainer container_type;
Chris@16: 
Chris@16:     public:
Chris@16:         explicit ptr_back_insert_iterator( PtrContainer& cont )
Chris@16:         : container(&cont)
Chris@16:         { }
Chris@16: 
Chris@16:         ptr_back_insert_iterator& 
Chris@16:         operator=( typename PtrContainer::value_type r )
Chris@16:         {
Chris@16:             typename PtrContainer::value_type obj = 0;
Chris@16:             if( r != 0 )
Chris@16:                 obj = container_type::clone_allocator_type::allocate_clone(*r);
Chris@16: 
Chris@16:             container->push_back( obj );
Chris@16:             return *this;
Chris@16:         }
Chris@16: 
Chris@16:         template< class T >
Chris@16:         ptr_back_insert_iterator& 
Chris@16:         operator=( std::auto_ptr<T> r )
Chris@16:         {
Chris@16:             container->push_back( r );
Chris@16:             return *this;
Chris@16:         }
Chris@16: 
Chris@16:         ptr_back_insert_iterator& 
Chris@16:         operator=( typename PtrContainer::const_reference r )
Chris@16:         {
Chris@16:             container->push_back( container_type::clone_allocator_type::
Chris@16:                                   allocate_clone(r) );
Chris@16:             return *this;
Chris@16:         }
Chris@16: 
Chris@16:         ptr_back_insert_iterator& operator*()
Chris@16:         { 
Chris@16:             return *this;
Chris@16:         }
Chris@16: 
Chris@16:         ptr_back_insert_iterator& operator++()
Chris@16:         { 
Chris@16:             return *this;
Chris@16:         }
Chris@16: 
Chris@16:         ptr_back_insert_iterator operator++(int)
Chris@16:         { 
Chris@16:             return *this;
Chris@16:         }
Chris@16:         
Chris@16:     protected:
Chris@16:         PtrContainer* container;
Chris@16:     };
Chris@16: 
Chris@16: 
Chris@16:     
Chris@16:     template< class PtrContainer >
Chris@16:     class ptr_front_insert_iterator :
Chris@16:         public std::iterator<std::output_iterator_tag,void,void,void,void>
Chris@16:     {
Chris@16:     public:
Chris@16:         typedef PtrContainer container_type;
Chris@16: 
Chris@16:     public:
Chris@16:         explicit ptr_front_insert_iterator( PtrContainer& cont )
Chris@16:         : container(&cont)
Chris@16:         { }
Chris@16: 
Chris@16:         ptr_front_insert_iterator& 
Chris@16:         operator=( typename PtrContainer::value_type r )
Chris@16:         {
Chris@16:             typename PtrContainer::value_type obj = 0;
Chris@16:             if( r != 0 )
Chris@16:                 obj = container_type::clone_allocator_type::allocate_clone(*r);
Chris@16: 
Chris@16:             container->push_front( obj );
Chris@16:             return *this;
Chris@16:         }
Chris@16: 
Chris@16:         template< class T >
Chris@16:         ptr_front_insert_iterator& 
Chris@16:         operator=( std::auto_ptr<T> r )
Chris@16:         {
Chris@16:             container->push_front( r );
Chris@16:             return *this;
Chris@16:         }
Chris@16:         
Chris@16:         ptr_front_insert_iterator& 
Chris@16:         operator=( typename PtrContainer::const_reference r )
Chris@16:         {
Chris@16:             container->push_front( container_type::clone_allocator_type::
Chris@16:                                    allocate_clone(r) );
Chris@16:             return *this;
Chris@16:         }
Chris@16: 
Chris@16:         ptr_front_insert_iterator& operator*()
Chris@16:         { 
Chris@16:             return *this;
Chris@16:         }
Chris@16: 
Chris@16:         ptr_front_insert_iterator& operator++()
Chris@16:         { 
Chris@16:             return *this;
Chris@16:         }
Chris@16: 
Chris@16:         ptr_front_insert_iterator operator++(int)
Chris@16:         { 
Chris@16:             return *this;
Chris@16:         }
Chris@16:         
Chris@16:     protected:
Chris@16:         PtrContainer* container;
Chris@16:     };
Chris@16: 
Chris@16: 
Chris@16:     
Chris@16:     template< class PtrContainer >
Chris@16:     class ptr_insert_iterator :
Chris@16:         public std::iterator<std::output_iterator_tag,void,void,void,void>
Chris@16:     {
Chris@16:     public:
Chris@16:         typedef PtrContainer container_type;
Chris@16: 
Chris@16:     public:
Chris@16:         ptr_insert_iterator( PtrContainer& cont,
Chris@16:                                typename PtrContainer::iterator before )
Chris@16:         : container(&cont), iter(before)
Chris@16:         { }
Chris@16: 
Chris@16:         ptr_insert_iterator& 
Chris@16:         operator=( typename PtrContainer::value_type r )
Chris@16:         {
Chris@16:             typename PtrContainer::value_type obj = 0;
Chris@16:             if( r != 0 )
Chris@16:                 obj = container_type::clone_allocator_type::allocate_clone(*r);
Chris@16: 
Chris@16:             iter = container->insert( iter, obj );
Chris@16:             return *this;
Chris@16:         }
Chris@16: 
Chris@16:         template< class T >
Chris@16:         ptr_insert_iterator& 
Chris@16:         operator=( std::auto_ptr<T> r )
Chris@16:         {
Chris@16:             iter = container->insert( iter, r );
Chris@16:             return *this;
Chris@16:         }
Chris@16:         
Chris@16:         ptr_insert_iterator& 
Chris@16:         operator=( typename PtrContainer::const_reference r )
Chris@16:         {
Chris@16:             iter = container->insert( iter, container_type::clone_allocator_type::
Chris@16:                                             allocate_clone(r) );
Chris@16:             return *this;
Chris@16:         }
Chris@16: 
Chris@16:         ptr_insert_iterator& operator*()
Chris@16:         { 
Chris@16:             return *this;
Chris@16:         }
Chris@16: 
Chris@16:         ptr_insert_iterator& operator++()
Chris@16:         { 
Chris@16:             return *this;
Chris@16:         }
Chris@16: 
Chris@16:         ptr_insert_iterator operator++(int)
Chris@16:         { 
Chris@16:             return *this;
Chris@16:         }
Chris@16:         
Chris@16:     protected:
Chris@16:         PtrContainer*                    container;
Chris@16:         typename PtrContainer::iterator  iter;
Chris@16:     };
Chris@16: 
Chris@16:     template< class PtrContainer >
Chris@16:     inline ptr_back_insert_iterator<PtrContainer> 
Chris@16:     ptr_back_inserter( PtrContainer& cont )
Chris@16:     {
Chris@16:         return ptr_back_insert_iterator<PtrContainer>( cont );
Chris@16:     }
Chris@16: 
Chris@16:     template< class PtrContainer >
Chris@16:     inline ptr_front_insert_iterator<PtrContainer> 
Chris@16:     ptr_front_inserter( PtrContainer& cont )
Chris@16:     {
Chris@16:         return ptr_front_insert_iterator<PtrContainer>( cont );
Chris@16:     }
Chris@16: 
Chris@16:     template< class PtrContainer >
Chris@16:     inline ptr_insert_iterator<PtrContainer> 
Chris@16:     ptr_inserter( PtrContainer& cont, 
Chris@16:                     typename PtrContainer::iterator before )
Chris@16:     {
Chris@16:         return ptr_insert_iterator<PtrContainer>( cont, before );
Chris@16:     }
Chris@16:     
Chris@16: } // namespace 'ptr_container'
Chris@16: } // namespace 'boost'
Chris@16: 
Chris@16: #endif