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diff --git a/khtml/html/RefPtr.h b/khtml/html/RefPtr.h
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-// -*- mode: c++; c-basic-offset: 4 -*-
-/*
- * Copyright (C) 2005, 2006, 2007, 2008 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_RefPtr_h
-#define WTF_RefPtr_h
-
-#include <algorithm>
-#include "AlwaysInline.h"
-
-namespace WTF {
-
- enum PlacementNewAdoptType { PlacementNewAdopt };
-
- template <typename T> class PassRefPtr;
-
- enum HashTableDeletedValueType { HashTableDeletedValue };
-
- template <typename T> class RefPtr {
- public:
- RefPtr() : m_ptr(0) { }
- RefPtr(T* ptr) : m_ptr(ptr) { if (ptr) ptr->ref(); }
- RefPtr(const RefPtr& o) : m_ptr(o.m_ptr) { if (T* ptr = m_ptr) ptr->ref(); }
- // see comment in PassRefPtr.h for why this takes const reference
- template <typename U> RefPtr(const PassRefPtr<U>&);
-
- // Special constructor for cases where we overwrite an object in place.
- RefPtr(PlacementNewAdoptType) { }
-
- // Hash table deleted values, which are only constructed and never copied or destroyed.
- RefPtr(HashTableDeletedValueType) : m_ptr(hashTableDeletedValue()) { }
- bool isHashTableDeletedValue() const { return m_ptr == hashTableDeletedValue(); }
-
- ~RefPtr() { if (T* ptr = m_ptr) ptr->deref(); }
-
- template <typename U> RefPtr(const RefPtr<U>& o) : m_ptr(o.get()) { if (T* ptr = m_ptr) ptr->ref(); }
-
- T* get() const { return m_ptr; }
-
- void clear() { if (T* ptr = m_ptr) ptr->deref(); m_ptr = 0; }
- PassRefPtr<T> release() { PassRefPtr<T> tmp = adoptRef(m_ptr); m_ptr = 0; return tmp; }
-
- T& operator*() const { return *m_ptr; }
- ALWAYS_INLINE 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* RefPtr::*UnspecifiedBoolType;
- operator UnspecifiedBoolType() const { return m_ptr ? &RefPtr::m_ptr : 0; }
-
- RefPtr& operator=(const RefPtr&);
- RefPtr& operator=(T*);
- RefPtr& operator=(const PassRefPtr<T>&);
- template <typename U> RefPtr& operator=(const RefPtr<U>&);
- template <typename U> RefPtr& operator=(const PassRefPtr<U>&);
-
- void swap(RefPtr&);
-
- private:
- static T* hashTableDeletedValue() { return reinterpret_cast<T*>(-1); }
-
- T* m_ptr;
- };
-
- template <typename T> template <typename U> inline RefPtr<T>::RefPtr(const PassRefPtr<U>& o)
- : m_ptr(o.releaseRef())
- {
- }
-
- template <typename T> inline RefPtr<T>& RefPtr<T>::operator=(const RefPtr<T>& o)
- {
- T* optr = o.get();
- if (optr)
- optr->ref();
- T* ptr = m_ptr;
- m_ptr = optr;
- if (ptr)
- ptr->deref();
- return *this;
- }
-
- template <typename T> template <typename U> inline RefPtr<T>& RefPtr<T>::operator=(const RefPtr<U>& o)
- {
- T* optr = o.get();
- if (optr)
- optr->ref();
- T* ptr = m_ptr;
- m_ptr = optr;
- if (ptr)
- ptr->deref();
- return *this;
- }
-
- template <typename T> inline RefPtr<T>& RefPtr<T>::operator=(T* optr)
- {
- if (optr)
- optr->ref();
- T* ptr = m_ptr;
- m_ptr = optr;
- if (ptr)
- ptr->deref();
- return *this;
- }
-
- template <typename T> inline RefPtr<T>& RefPtr<T>::operator=(const PassRefPtr<T>& o)
- {
- T* ptr = m_ptr;
- m_ptr = o.releaseRef();
- if (ptr)
- ptr->deref();
- return *this;
- }
-
- template <typename T> template <typename U> inline RefPtr<T>& RefPtr<T>::operator=(const PassRefPtr<U>& o)
- {
- T* ptr = m_ptr;
- m_ptr = o.releaseRef();
- if (ptr)
- ptr->deref();
- return *this;
- }
-
- template <class T> inline void RefPtr<T>::swap(RefPtr<T>& o)
- {
- std::swap(m_ptr, o.m_ptr);
- }
-
- template <class T> inline void swap(RefPtr<T>& a, RefPtr<T>& b)
- {
- a.swap(b);
- }
-
- template <typename T, typename U> inline bool operator==(const RefPtr<T>& a, const RefPtr<U>& b)
- {
- return a.get() == b.get();
- }
-
- template <typename T, typename U> inline bool operator==(const RefPtr<T>& a, U* b)
- {
- return a.get() == b;
- }
-
- template <typename T, typename U> inline bool operator==(T* a, const RefPtr<U>& b)
- {
- return a == b.get();
- }
-
- template <typename T, typename U> inline bool operator!=(const RefPtr<T>& a, const RefPtr<U>& b)
- {
- return a.get() != b.get();
- }
-
- template <typename T, typename U> inline bool operator!=(const RefPtr<T>& a, U* b)
- {
- return a.get() != b;
- }
-
- template <typename T, typename U> inline bool operator!=(T* a, const RefPtr<U>& b)
- {
- return a != b.get();
- }
-
- template <typename T, typename U> inline RefPtr<T> static_pointer_cast(const RefPtr<U>& p)
- {
- return RefPtr<T>(static_cast<T*>(p.get()));
- }
-
- template <typename T, typename U> inline RefPtr<T> const_pointer_cast(const RefPtr<U>& p)
- {
- return RefPtr<T>(const_cast<T*>(p.get()));
- }
-
- template <typename T> inline T* getPtr(const RefPtr<T>& p)
- {
- return p.get();
- }
-
-} // namespace WTF
-
-using WTF::RefPtr;
-using WTF::static_pointer_cast;
-using WTF::const_pointer_cast;
-
-#endif // WTF_RefPtr_h
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