King_DuckZ/Loki
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

Added HeapStorage policy as mentioned in Feature Request 1441024.

Browse source 
git-svn-id: svn://svn.code.sf.net/p/loki-lib/code/trunk@617 7ec92016-0320-0410-acc4-a06ded1c099a
This commit is contained in:
rich_sposato 2006-03-27 18:34:36 +00:00
parent 5d12286439
commit 5157e66c72
1 changed files with 68 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

68
include/loki/SmartPtr.h
View file

@ -47,6 +47,71 @@
namespace Loki
{
////////////////////////////////////////////////////////////////////////////////
/// \class HeapStorage
///
/// \ingroup SmartPointerStorageGroup
/// Implementation of the StoragePolicy used by SmartPtr. Uses explicit call
/// to T's destructor followed by call to free.
////////////////////////////////////////////////////////////////////////////////
template <class T>
class HeapStorage
{
public:
typedef T* StoredType; // the type of the pointee_ object
typedef T* PointerType; // type returned by operator->
typedef T& ReferenceType; // type returned by operator*
HeapStorage() : pointee_(Default())
{}
// The storage policy doesn't initialize the stored pointer
// which will be initialized by the OwnershipPolicy's Clone fn
HeapStorage(const HeapStorage&) : pointee_(0)
{}
template <class U>
HeapStorage(const HeapStorage<U>&) : pointee_(0)
{}
HeapStorage(const StoredType& p) : pointee_(p) {}
PointerType operator->() const { return pointee_; }
ReferenceType operator*() const { return *pointee_; }
void Swap(HeapStorage& rhs)
{ std::swap(pointee_, rhs.pointee_); }
// Accessors
friend inline PointerType GetImpl(const HeapStorage& sp)
{ return sp.pointee_; }
friend inline const StoredType& GetImplRef(const HeapStorage& sp)
{ return sp.pointee_; }
friend inline StoredType& GetImplRef(HeapStorage& sp)
{ return sp.pointee_; }
protected:
// Destroys the data stored
// (Destruction might be taken over by the OwnershipPolicy)
void Destroy()
{
pointee_->~T();
::free( pointee_ );
}
// Default value to initialize the pointer
static StoredType Default()
{ return 0; }
private:
// Data
StoredType pointee_;
};
////////////////////////////////////////////////////////////////////////////////
/// \class DefaultSPStorage
///
@ -1452,6 +1517,9 @@ namespace std
#endif // SMARTPTR_INC_
// $Log$
// Revision 1.27 2006/03/27 18:34:36 rich_sposato
// Added HeapStorage policy as mentioned in Feature Request 1441024.
//
// Revision 1.26 2006/03/17 22:52:55 rich_sposato
// Fixed bugs 1452805 and 1451835. Added Merge ability for RefLink policy.
// Added more tests for SmartPtr.