130 lines
2.7 KiB
C++
130 lines
2.7 KiB
C++
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/******************************************************************************/
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/* REFERENCE-COUNTING HELPERS - INLINE CODE ***********************************/
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/******************************************************************************/
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#ifndef _H_EBCL_INLINE_REFCOUNT
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#define _H_EBCL_INLINE_REFCOUNT
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#include <ebcl/RefCount.hh>
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namespace ebcl {
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/*= T_ReferenceCountedClass ==================================================*/
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template< bool B >
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inline T_ReferenceCountedClass< B >::T_ReferenceCountedClass( ) noexcept
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: referenceCounter_{ 0 }
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{ }
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template< bool B >
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inline void T_ReferenceCountedClass< B >::increaseReferences_( ) noexcept
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{
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referenceCounter_ ++;
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}
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template< bool B >
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inline bool T_ReferenceCountedClass< B >::decreaseReferences_( ) noexcept
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{
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return ( -- referenceCounter_ ) == 0;
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}
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/*= T_RcPtr ==================================================================*/
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template< typename T >
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inline T_RcPtr< T >::T_RcPtr( ) noexcept
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: target_{ nullptr }
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{ }
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template< typename T >
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inline T_RcPtr< T >::~T_RcPtr( ) noexcept
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{
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clear( );
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}
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template< typename T >
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inline void T_RcPtr< T >::clear( ) noexcept
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{
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if ( target_ && target_->decreaseReferences_( ) ) {
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delete target_;
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}
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target_ = nullptr;
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}
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/*----------------------------------------------------------------------------*/
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template< typename T >
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inline T_RcPtr< T >::T_RcPtr(
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T_RcPtr< T > const& other ) noexcept
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: target_{ other.target_ }
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{
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if ( target_ ) {
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target_->increaseReferences_( );
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}
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}
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template< typename T >
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template<
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typename Q ,
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T_EnableForChild< T , Q >
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> inline T_RcPtr< T >::T_RcPtr(
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T_RcPtr< Q > const& other ) noexcept
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: target_{ other.target_ }
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{
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if ( target_ ) {
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target_->increaseReferences_( );
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}
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}
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template< typename T >
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template<
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typename Q ,
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T_EnableForParent< T , Q >
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> inline T_RcPtr< T >::T_RcPtr(
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T_RcPtr< Q > const& other )
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: target_{ nullptr }
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{
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Q* const p{ other.target_ };
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if ( p != nullptr ) {
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target_ = dynamic_cast< T* >( p );
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if ( target_ == nullptr ) {
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throw std::bad_cast( );
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}
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target_->increaseReferences_( );
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}
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}
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/*----------------------------------------------------------------------------*/
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template< typename T >
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template<
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typename Q ,
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T_EnableForChild< T , Q >
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> inline T_RcPtr< T >::T_RcPtr(
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T_RcPtr< Q >&& other ) noexcept
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: target_{ nullptr }
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{
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std::swap( target_ , other.target_ );
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}
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template< typename T >
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template<
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typename Q ,
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T_EnableForParent< T , Q >
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> inline T_RcPtr< T >::T_RcPtr(
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T_RcPtr< Q >&& other )
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: target_{ nullptr }
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{
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Q* const p{ other.target_ };
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if ( p != nullptr ) {
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target_ = dynamic_cast< T* >( p );
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if ( target_ == nullptr ) {
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throw std::bad_cast( );
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}
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other.target_ = nullptr;
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}
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}
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} // namespace ebcl
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#endif // _H_EBCL_INLINE_REFCOUNT
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