Index: Source/WTF/wtf/PassRefPtr.h |
diff --git a/Source/WTF/wtf/PassRefPtr.h b/Source/WTF/wtf/PassRefPtr.h |
deleted file mode 100644 |
index 848fc5fd3fa1d08c8cf72137cb4c7e4d04ea3b32..0000000000000000000000000000000000000000 |
--- a/Source/WTF/wtf/PassRefPtr.h |
+++ /dev/null |
@@ -1,177 +0,0 @@ |
-/* |
- * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved. |
- * |
- * This library is free software; you can redistribute it and/or |
- * modify it under the terms of the GNU Library General Public |
- * License as published by the Free Software Foundation; either |
- * version 2 of the License, or (at your option) any later version. |
- * |
- * This library is distributed in the hope that it will be useful, |
- * but WITHOUT ANY WARRANTY; without even the implied warranty of |
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
- * Library General Public License for more details. |
- * |
- * You should have received a copy of the GNU Library General Public License |
- * along with this library; see the file COPYING.LIB. If not, write to |
- * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
- * Boston, MA 02110-1301, USA. |
- * |
- */ |
- |
-#ifndef WTF_PassRefPtr_h |
-#define WTF_PassRefPtr_h |
- |
-#include <wtf/Assertions.h> |
-#include <wtf/NullPtr.h> |
- |
-namespace WTF { |
- |
- template<typename T> class RefPtr; |
- template<typename T> class PassRefPtr; |
- template<typename T> PassRefPtr<T> adoptRef(T*); |
- |
- inline void adopted(const void*) { } |
- |
- template<typename T> ALWAYS_INLINE void refIfNotNull(T* ptr) |
- { |
- if (LIKELY(ptr != 0)) |
- ptr->ref(); |
- } |
- |
- template<typename T> ALWAYS_INLINE void derefIfNotNull(T* ptr) |
- { |
- if (LIKELY(ptr != 0)) |
- ptr->deref(); |
- } |
- |
- template<typename T> class PassRefPtr { |
- public: |
- PassRefPtr() : m_ptr(0) { } |
- PassRefPtr(T* ptr) : m_ptr(ptr) { refIfNotNull(ptr); } |
- // It somewhat breaks the type system to allow transfer of ownership out of |
- // a const PassRefPtr. However, it makes it much easier to work with PassRefPtr |
- // temporaries, and we don't have a need to use real const PassRefPtrs anyway. |
- PassRefPtr(const PassRefPtr& o) : m_ptr(o.leakRef()) { } |
- template<typename U> PassRefPtr(const PassRefPtr<U>& o) : m_ptr(o.leakRef()) { } |
- |
- ALWAYS_INLINE ~PassRefPtr() { derefIfNotNull(m_ptr); } |
- |
- template<typename U> PassRefPtr(const RefPtr<U>&); |
- |
- T* get() const { return m_ptr; } |
- |
- T* leakRef() const WARN_UNUSED_RETURN; |
- |
- T& operator*() const { return *m_ptr; } |
- T* operator->() const { 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* (PassRefPtr::*UnspecifiedBoolType); |
- operator UnspecifiedBoolType() const { return m_ptr ? &PassRefPtr::m_ptr : 0; } |
- |
- PassRefPtr& operator=(const PassRefPtr&) { COMPILE_ASSERT(!sizeof(T*), PassRefPtr_should_never_be_assigned_to); return *this; } |
- |
- friend PassRefPtr adoptRef<T>(T*); |
- |
- private: |
- // adopting constructor |
- PassRefPtr(T* ptr, bool) : m_ptr(ptr) { } |
- |
- mutable T* m_ptr; |
- }; |
- |
- template<typename T> template<typename U> inline PassRefPtr<T>::PassRefPtr(const RefPtr<U>& o) |
- : m_ptr(o.get()) |
- { |
- T* ptr = m_ptr; |
- refIfNotNull(ptr); |
- } |
- |
- template<typename T> inline T* PassRefPtr<T>::leakRef() const |
- { |
- T* ptr = m_ptr; |
- m_ptr = 0; |
- return ptr; |
- } |
- |
- template<typename T, typename U> inline bool operator==(const PassRefPtr<T>& a, const PassRefPtr<U>& b) |
- { |
- return a.get() == b.get(); |
- } |
- |
- template<typename T, typename U> inline bool operator==(const PassRefPtr<T>& a, const RefPtr<U>& b) |
- { |
- return a.get() == b.get(); |
- } |
- |
- template<typename T, typename U> inline bool operator==(const RefPtr<T>& a, const PassRefPtr<U>& b) |
- { |
- return a.get() == b.get(); |
- } |
- |
- template<typename T, typename U> inline bool operator==(const PassRefPtr<T>& a, U* b) |
- { |
- return a.get() == b; |
- } |
- |
- template<typename T, typename U> inline bool operator==(T* a, const PassRefPtr<U>& b) |
- { |
- return a == b.get(); |
- } |
- |
- template<typename T, typename U> inline bool operator!=(const PassRefPtr<T>& a, const PassRefPtr<U>& b) |
- { |
- return a.get() != b.get(); |
- } |
- |
- template<typename T, typename U> inline bool operator!=(const PassRefPtr<T>& a, const RefPtr<U>& b) |
- { |
- return a.get() != b.get(); |
- } |
- |
- template<typename T, typename U> inline bool operator!=(const RefPtr<T>& a, const PassRefPtr<U>& b) |
- { |
- return a.get() != b.get(); |
- } |
- |
- template<typename T, typename U> inline bool operator!=(const PassRefPtr<T>& a, U* b) |
- { |
- return a.get() != b; |
- } |
- |
- template<typename T, typename U> inline bool operator!=(T* a, const PassRefPtr<U>& b) |
- { |
- return a != b.get(); |
- } |
- |
- template<typename T> inline PassRefPtr<T> adoptRef(T* p) |
- { |
- adopted(p); |
- return PassRefPtr<T>(p, true); |
- } |
- |
- template<typename T, typename U> inline PassRefPtr<T> static_pointer_cast(const PassRefPtr<U>& p) |
- { |
- return adoptRef(static_cast<T*>(p.leakRef())); |
- } |
- |
- template<typename T, typename U> inline PassRefPtr<T> const_pointer_cast(const PassRefPtr<U>& p) |
- { |
- return adoptRef(const_cast<T*>(p.leakRef())); |
- } |
- |
- template<typename T> inline T* getPtr(const PassRefPtr<T>& p) |
- { |
- return p.get(); |
- } |
- |
-} // namespace WTF |
- |
-using WTF::PassRefPtr; |
-using WTF::adoptRef; |
-using WTF::static_pointer_cast; |
-using WTF::const_pointer_cast; |
- |
-#endif // WTF_PassRefPtr_h |