corelib/include/ebcl/inline/Registration.hh

/******************************************************************************/
/* REGISTRATION SUPPORT - INLINE CODE *****************************************/
/******************************************************************************/

#ifndef _H_EBCL_INLINE_REGISTRATION
#define _H_EBCL_INLINE_REGISTRATION
#include <ebcl/Registration.hh>
namespace ebcl {


/*= T_RegisteredItem ============================================================*/

inline T_RegisteredItem::T_RegisteredItem( ) noexcept
	: automatic_( false ) , unregisterFunction_( ) ,
		data_( nullptr ) , dataDestructor_( )
{ }

inline T_RegisteredItem::T_RegisteredItem(
		SP_Unregister& unregisterFunction ,
		void* data ,
		F_Destructor_ destructor ) noexcept
	: automatic_( true ) , unregisterFunction_( unregisterFunction ) ,
		data_( data ) , dataDestructor_( destructor )
{ }

template< typename T >
inline T_RegisteredItem::T_RegisteredItem(
		SP_Unregister& unregisterFunction ,
		T* data ) noexcept
	: T_RegisteredItem( unregisterFunction , data ,
			[]( void* d ) {
				reinterpret_cast< T* >( d )->~T( );
				::operator delete( d );
			} )
{ }

template< >
inline T_RegisteredItem::T_RegisteredItem(
		SP_Unregister& unregisterFunction ,
		void* data ) noexcept
	: T_RegisteredItem( unregisterFunction , data , [](void*){} )
{ }

inline T_RegisteredItem::~T_RegisteredItem( )
{
	clear( );
}

/*----------------------------------------------------------------------------*/

inline T_RegisteredItem::T_RegisteredItem(
		T_RegisteredItem&& other ) noexcept
	: T_RegisteredItem( )
{
	swap( *this , other );
}

inline T_RegisteredItem& T_RegisteredItem::operator =(
		T_RegisteredItem&& other ) noexcept
{
	clear( );
	swap( *this , other );
	return *this;
}

inline M_DECLARE_SWAP( T_RegisteredItem )
{
	using std::swap;
	swap( lhs.automatic_ ,		rhs.automatic_ );
	swap( lhs.unregisterFunction_ ,	rhs.unregisterFunction_ );
	swap( lhs.data_ ,		rhs.data_ );
	swap( lhs.dataDestructor_ ,	rhs.dataDestructor_ );
}

/*----------------------------------------------------------------------------*/

inline void T_RegisteredItem::automatic(
		const bool v ) noexcept
{
	automatic_ = v;
}

inline bool T_RegisteredItem::automatic( ) const noexcept
{
	return automatic_;
}

/*----------------------------------------------------------------------------*/

inline void T_RegisteredItem::unregister( ) noexcept
{
	if ( data_ && unregisterFunction_ ) {
		(*unregisterFunction_)( data_ );
		deleteData( );
	}
}

inline T_RegisteredItem::operator bool( ) const noexcept
{
	return bool( data_ );
}

inline void T_RegisteredItem::clear( ) noexcept
{
	if ( automatic_ ) {
		unregister( );
	} else {
		deleteData( );
	}
}

inline void T_RegisteredItem::deleteData( ) noexcept
{
	if ( data_ != nullptr ) {
		if ( dataDestructor_ ) {
			dataDestructor_( data_ );
		}
		data_ = nullptr;
	}
}


} // namespace
#endif // _H_EBCL_INLINE_REGISTRATION