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