Index: webkit/port/platform/COMPtr.h |
=================================================================== |
--- webkit/port/platform/COMPtr.h (revision 3423) |
+++ webkit/port/platform/COMPtr.h (working copy) |
@@ -1,151 +0,0 @@ |
-/* |
- * Copyright (C) 2007 Apple Inc. All rights reserved. |
- * |
- * Redistribution and use in source and binary forms, with or without |
- * modification, are permitted provided that the following conditions |
- * are met: |
- * 1. Redistributions of source code must retain the above copyright |
- * notice, this list of conditions and the following disclaimer. |
- * 2. Redistributions in binary form must reproduce the above copyright |
- * notice, this list of conditions and the following disclaimer in the |
- * documentation and/or other materials provided with the distribution. |
- * |
- * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
- */ |
- |
-#ifndef COMPtr_h |
-#define COMPtr_h |
- |
-#include <WTF/Assertions.h> |
- |
-typedef long HRESULT; |
- |
-enum AdoptCOMTag { AdoptCOM }; |
- |
-template <typename T> class COMPtr { |
-public: |
- COMPtr() : m_ptr(0) { } |
- COMPtr(T* ptr) : m_ptr(ptr) { if (m_ptr) m_ptr->AddRef(); } |
- COMPtr(AdoptCOMTag, T* ptr) : m_ptr(ptr) { } |
- COMPtr(const COMPtr& o) : m_ptr(o.m_ptr) { if (T* ptr = m_ptr) ptr->AddRef(); } |
- |
- ~COMPtr() { if (m_ptr) m_ptr->Release(); } |
- |
- T *get() const { return m_ptr; } |
- |
- T& operator*() const { return *m_ptr; } |
- T* operator->() const { return m_ptr; } |
- |
- T** operator&() { ASSERT(!m_ptr); return &m_ptr; } |
- |
- bool operator!() const { return !m_ptr; } |
- |
- // This conversion operator allows implicit conversion to bool but not to other integer types. |
- typedef T * (COMPtr::*UnspecifiedBoolType)() const; |
- operator UnspecifiedBoolType() const { return m_ptr ? &COMPtr::get : 0; } |
- |
- COMPtr& operator=(const COMPtr&); |
- COMPtr& operator=(T*); |
- template <typename U> COMPtr& operator=(const COMPtr<U>&); |
- |
- HRESULT copyRefTo(T**); |
- void adoptRef(T*); |
- |
-private: |
- T* m_ptr; |
-}; |
- |
-template <typename T> inline HRESULT COMPtr<T>::copyRefTo(T** ptr) |
-{ |
- if (!ptr) |
- return E_POINTER; |
- |
- *ptr = m_ptr; |
- if (m_ptr) |
- m_ptr->AddRef(); |
- return S_OK; |
-} |
- |
-template <typename T> inline void COMPtr<T>::adoptRef(T *ptr) |
-{ |
- if (m_ptr) |
- m_ptr->Release(); |
- m_ptr = ptr; |
-} |
- |
-template <typename T> inline COMPtr<T>& COMPtr<T>::operator=(const COMPtr<T>& o) |
-{ |
- T* optr = o.get(); |
- if (optr) |
- optr->AddRef(); |
- T* ptr = m_ptr; |
- m_ptr = optr; |
- if (ptr) |
- ptr->Release(); |
- return *this; |
-} |
- |
-template <typename T> template <typename U> inline COMPtr<T>& COMPtr<T>::operator=(const COMPtr<U>& o) |
-{ |
- T* optr = o.get(); |
- if (optr) |
- optr->AddRef(); |
- T* ptr = m_ptr; |
- m_ptr = optr; |
- if (ptr) |
- ptr->Release(); |
- return *this; |
-} |
- |
-template <typename T> inline COMPtr<T>& COMPtr<T>::operator=(T* optr) |
-{ |
- if (optr) |
- optr->AddRef(); |
- T* ptr = m_ptr; |
- m_ptr = optr; |
- if (ptr) |
- ptr->Release(); |
- return *this; |
-} |
- |
-template <typename T, typename U> inline bool operator==(const COMPtr<T>& a, const COMPtr<U>& b) |
-{ |
- return a.get() == b.get(); |
-} |
- |
-template <typename T, typename U> inline bool operator==(const COMPtr<T>& a, U* b) |
-{ |
- return a.get() == b; |
-} |
- |
-template <typename T, typename U> inline bool operator==(T* a, const COMPtr<U>& b) |
-{ |
- return a == b.get(); |
-} |
- |
-template <typename T, typename U> inline bool operator!=(const COMPtr<T>& a, const COMPtr<U>& b) |
-{ |
- return a.get() != b.get(); |
-} |
- |
-template <typename T, typename U> inline bool operator!=(const COMPtr<T>& a, U* b) |
-{ |
- return a.get() != b; |
-} |
- |
-template <typename T, typename U> inline bool operator!=(T* a, const COMPtr<U>& b) |
-{ |
- return a != b.get(); |
-} |
- |
-#endif |