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| ****************************************************************************/ |
| #ifndef PASSOWNPTR_H |
| #define PASSOWNPTR_H |
| |
| #include <qscopedpointer.h> |
| |
| template <typename T> class PassOwnPtr; |
| template <typename PtrType> PassOwnPtr<PtrType> adoptPtr(PtrType*); |
| |
| template <typename T> |
| struct OwnPtr : public QScopedPointer<T> |
| { |
| OwnPtr() {} |
| OwnPtr(const PassOwnPtr<T> &ptr) |
| : QScopedPointer<T>(ptr.leakRef()) |
| {} |
| |
| OwnPtr(const OwnPtr<T>& other) |
| : QScopedPointer<T>(const_cast<OwnPtr<T> &>(other).take()) |
| {} |
| |
| OwnPtr& operator=(const OwnPtr<T>& other) |
| { |
| this->reset(const_cast<OwnPtr<T> &>(other).take()); |
| return *this; |
| } |
| |
| T* get() const { return this->data(); } |
| |
| PassOwnPtr<T> release() |
| { |
| return adoptPtr(this->take()); |
| } |
| }; |
| |
| template <typename T> |
| class PassOwnPtr { |
| public: |
| PassOwnPtr() {} |
| |
| PassOwnPtr(T* ptr) |
| : m_ptr(ptr) |
| { |
| } |
| |
| PassOwnPtr(const PassOwnPtr<T>& other) |
| : m_ptr(other.leakRef()) |
| { |
| } |
| |
| PassOwnPtr(const OwnPtr<T>& other) |
| : m_ptr(other.take()) |
| { |
| } |
| |
| ~PassOwnPtr() |
| { |
| } |
| |
| T* operator->() const { return m_ptr.data(); } |
| |
| T* leakRef() const { return m_ptr.take(); } |
| |
| private: |
| template <typename PtrType> friend PassOwnPtr<PtrType> adoptPtr(PtrType*); |
| |
| PassOwnPtr<T>& operator=(const PassOwnPtr<T>& t); |
| |
| mutable QScopedPointer<T> m_ptr; |
| }; |
| |
| template <typename T> |
| PassOwnPtr<T> adoptPtr(T* ptr) |
| { |
| PassOwnPtr<T> result; |
| result.m_ptr.reset(ptr); |
| return result; |
| } |
| |
| |
| #endif // PASSOWNPTR_H |