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// file : Utility/ReferenceCounting/SmartPtr.hpp
// author : Boris Kolpackov <boris@kolpackov.net>
// copyright : Copyright (c) 2002-2003 Boris Kolpackov
// license : http://kolpackov.net/license.html
#ifndef UTILITY_REFERENCE_COUNTING_SMART_PTR_HPP
#define UTILITY_REFERENCE_COUNTING_SMART_PTR_HPP
#include "Utility/ExH/Compound.hpp"
#include "Utility/ExH/Logic/DescriptiveException.hpp"
#include "Utility/ReferenceCounting/Interface.hpp"
namespace Utility
{
namespace ReferenceCounting
{
template <typename T>
class SmartPtr
{
public:
typedef
T
Type;
class NotInitialized_ {};
typedef
ExH::Compound<NotInitialized_, ExH::Logic::DescriptiveException>
NotInitialized;
public:
// c-tor's
SmartPtr () throw ();
SmartPtr (Type* ptr) throw ();
SmartPtr (SmartPtr<Type> const& s_ptr)
throw (Interface::Exception, Interface::SystemException);
template <typename Other>
SmartPtr (SmartPtr<Other> const& s_ptr)
throw (Interface::Exception, Interface::SystemException);
// d-tor
~SmartPtr () throw ();
// assignment & copy-assignment operators
SmartPtr<Type>&
operator= (Type* ptr) throw ();
SmartPtr<Type>&
operator= (SmartPtr<Type> const& s_ptr)
throw (Interface::Exception, Interface::SystemException);
template <typename Other>
SmartPtr<Type>&
operator= (SmartPtr<Other> const& s_ptr)
throw (Interface::Exception, Interface::SystemException);
//conversions
operator Type* () const throw ();
// accessors
Type*
operator-> () const throw (NotInitialized);
Type*
in () const throw ();
Type*
retn() throw ();
private:
Type* ptr_;
};
// Specialization of add_ref function for SmartPtr<T>
template <typename T>
T*
add_ref (SmartPtr<T> const& ptr)
throw (Interface::Exception, Interface::SystemException);
// Dynamic type conversion function for SmartPtr's
template <typename D, typename S>
D*
smart_cast (SmartPtr<S> const& s)
throw (Interface::Exception, Interface::SystemException);
// Acquisition function
template <typename T>
SmartPtr<T>
acquire (T* ptr) throw (Interface::Exception, Interface::SystemException);
}
}
#include "Utility/ReferenceCounting/SmartPtr.tpp"
#endif // UTILITY_REFERENCE_COUNTING_SMART_PTR_HPP
//$Id$
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