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- #ifndef BOOSTER_SMART_PTR_DETAIL_SP_COUNTED_IMPL_HPP_INCLUDED
- #define BOOSTER_SMART_PTR_DETAIL_SP_COUNTED_IMPL_HPP_INCLUDED
-
- //
- // detail/sp_counted_impl.hpp
- //
- // Copyright (c) 2001, 2002, 2003 Peter Dimov and Multi Media Ltd.
- // Copyright 2004-2005 Peter Dimov
- //
- // 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)
- //
-
- #include <booster/config.h>
-
- #include <booster/checked_delete.h>
- #include <booster/smart_ptr/sp_counted_base.h>
-
- #if defined(BOOSTER_SP_USE_STD_ALLOCATOR)
- #include <booster/auto_ptr_inc.h> // std::allocator
- #endif
-
- #include <cstddef> // std::size_t
-
- namespace booster
- {
-
- namespace detail
- {
-
- template<class X> class sp_counted_impl_p: public sp_counted_base
- {
- private:
-
- X * px_;
-
- sp_counted_impl_p( sp_counted_impl_p const & );
- sp_counted_impl_p & operator= ( sp_counted_impl_p const & );
-
- typedef sp_counted_impl_p<X> this_type;
-
- public:
-
- explicit sp_counted_impl_p( X * px ): px_( px )
- {
- }
-
- virtual void dispose() // nothrow
- {
- booster::checked_delete( px_ );
- }
-
- virtual void * get_deleter( detail::sp_typeinfo const & )
- {
- return 0;
- }
-
- void * operator new( std::size_t )
- {
- return std::allocator<this_type>().allocate( 1, static_cast<this_type *>(0) );
- }
-
- void operator delete( void * p )
- {
- std::allocator<this_type>().deallocate( static_cast<this_type *>(p), 1 );
- }
- };
-
- //
- // Borland's Codeguard trips up over the -Vx- option here:
- //
- #ifdef __CODEGUARD__
- # pragma option push -Vx-
- #endif
-
- template<class P, class D> class sp_counted_impl_pd: public sp_counted_base
- {
- private:
-
- P ptr; // copy constructor must not throw
- D del; // copy constructor must not throw
-
- sp_counted_impl_pd( sp_counted_impl_pd const & );
- sp_counted_impl_pd & operator= ( sp_counted_impl_pd const & );
-
- typedef sp_counted_impl_pd<P, D> this_type;
-
- public:
-
- // pre: d(p) must not throw
-
- sp_counted_impl_pd( P p, D d ): ptr(p), del(d)
- {
- }
-
- virtual void dispose() // nothrow
- {
- del( ptr );
- }
-
- virtual void * get_deleter( detail::sp_typeinfo const & ti )
- {
- return ti == BOOSTER_SP_TYPEID(D)? &reinterpret_cast<char&>( del ): 0;
- }
-
- void * operator new( std::size_t )
- {
- return std::allocator<this_type>().allocate( 1, static_cast<this_type *>(0) );
- }
-
- void operator delete( void * p )
- {
- std::allocator<this_type>().deallocate( static_cast<this_type *>(p), 1 );
- }
-
- };
-
- template<class P, class D, class A> class sp_counted_impl_pda: public sp_counted_base
- {
- private:
-
- P p_; // copy constructor must not throw
- D d_; // copy constructor must not throw
- A a_; // copy constructor must not throw
-
- sp_counted_impl_pda( sp_counted_impl_pda const & );
- sp_counted_impl_pda & operator= ( sp_counted_impl_pda const & );
-
- typedef sp_counted_impl_pda<P, D, A> this_type;
-
- public:
-
- // pre: d( p ) must not throw
-
- sp_counted_impl_pda( P p, D d, A a ): p_( p ), d_( d ), a_( a )
- {
- }
-
- virtual void dispose() // nothrow
- {
- d_( p_ );
- }
-
- virtual void destroy() // nothrow
- {
- typedef typename A::template rebind< this_type >::other A2;
-
- A2 a2( a_ );
-
- this->~this_type();
- a2.deallocate( this, 1 );
- }
-
- virtual void * get_deleter( detail::sp_typeinfo const & ti )
- {
- return ti == BOOSTER_SP_TYPEID( D )? &reinterpret_cast<char&>( d_ ): 0;
- }
- };
-
- #ifdef __CODEGUARD__
- # pragma option pop
- #endif
-
- } // namespace detail
-
- } // namespace boost
-
- #endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_IMPL_HPP_INCLUDED
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