epoc32/include/stdapis/boost/ptr_container/clone_allocator.hpp
branchSymbian2
changeset 2 2fe1408b6811
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/epoc32/include/stdapis/boost/ptr_container/clone_allocator.hpp	Tue Mar 16 16:12:26 2010 +0000
     1.3 @@ -0,0 +1,80 @@
     1.4 +//
     1.5 +// Boost.Pointer Container
     1.6 +//
     1.7 +//  Copyright Thorsten Ottosen 2003-2005. Use, modification and
     1.8 +//  distribution is subject to the Boost Software License, Version
     1.9 +//  1.0. (See accompanying file LICENSE_1_0.txt or copy at
    1.10 +//  http://www.boost.org/LICENSE_1_0.txt)
    1.11 +//
    1.12 +// For more information, see http://www.boost.org/libs/ptr_container/
    1.13 +//
    1.14 +
    1.15 +#ifndef BOOST_PTR_CONTAINER_CLONE_ALLOCATOR_HPP
    1.16 +#define BOOST_PTR_CONTAINER_CLONE_ALLOCATOR_HPP
    1.17 +
    1.18 +#include <boost/assert.hpp>
    1.19 +#include <boost/checked_delete.hpp>
    1.20 +#include <typeinfo>
    1.21 +
    1.22 +namespace boost
    1.23 +{
    1.24 +    /////////////////////////////////////////////////////////////////////////
    1.25 +    // Clonable concept 
    1.26 +    /////////////////////////////////////////////////////////////////////////
    1.27 +    
    1.28 +    template< class T >
    1.29 +    inline T* new_clone( const T& r )
    1.30 +    {
    1.31 +        T* res = new T( r );
    1.32 +        BOOST_ASSERT( typeid(r) == typeid(*res) &&
    1.33 +                      "Default new_clone() sliced object!" );
    1.34 +        return res;
    1.35 +    }
    1.36 +
    1.37 +    template< class T >
    1.38 +    inline void delete_clone( const T* r )
    1.39 +    {
    1.40 +        checked_delete( r );
    1.41 +    }
    1.42 +
    1.43 +    /////////////////////////////////////////////////////////////////////////
    1.44 +    // CloneAllocator concept
    1.45 +    /////////////////////////////////////////////////////////////////////////
    1.46 +    
    1.47 +    struct heap_clone_allocator
    1.48 +    {
    1.49 +        template< class U >
    1.50 +        static U* allocate_clone( const U& r )
    1.51 +        {
    1.52 +            return new_clone( r );
    1.53 +        }
    1.54 +
    1.55 +        template< class U >
    1.56 +        static void deallocate_clone( const U* r )
    1.57 +        {
    1.58 +            delete_clone( r );
    1.59 +        }
    1.60 +
    1.61 +    };
    1.62 +
    1.63 +
    1.64 +    
    1.65 +    struct view_clone_allocator
    1.66 +    {
    1.67 +        template< class U >
    1.68 +        static U* allocate_clone( const U& r )
    1.69 +        {
    1.70 +            return const_cast<U*>( &r );
    1.71 +        }
    1.72 +
    1.73 +        template< class U >
    1.74 +        static void deallocate_clone( const U* r )
    1.75 +        {
    1.76 +            // do nothing
    1.77 +        }
    1.78 +    };
    1.79 +
    1.80 +} // namespace 'boost'
    1.81 +
    1.82 +#endif
    1.83 +