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// -*- mode: c++; c-basic-offset: 4 -*-
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* This file is part of the KDE libraries
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* Copyright (C) 2005, 2006 Apple Computer, Inc.
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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template <typename T> class PassRefPtr;
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template <typename T> class RefPtr
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RefPtr() : m_ptr(0) {}
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RefPtr(T *ptr) : m_ptr(ptr) { if (ptr) ptr->ref(); }
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RefPtr(const RefPtr& o) : m_ptr(o.m_ptr) { if (T *ptr = m_ptr) ptr->ref(); }
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// see comment in PassRefPtr.h for why this takes const reference
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template <typename U> RefPtr(const PassRefPtr<U>&);
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~RefPtr() { if (T *ptr = m_ptr) ptr->deref(); }
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template <typename U> RefPtr(const RefPtr<U>& o) : m_ptr(o.get()) { if (T *ptr = m_ptr) ptr->ref(); }
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T *get() const { return m_ptr; }
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PassRefPtr<T> release() { PassRefPtr<T> tmp = adoptRef(m_ptr); m_ptr = 0; return tmp; }
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T& operator*() const { return *m_ptr; }
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T *operator->() const { return m_ptr; }
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bool operator!() const { return !m_ptr; }
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// This conversion operator allows implicit conversion to bool but not to other integer types.
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typedef T * (RefPtr::*UnspecifiedBoolType)() const;
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operator UnspecifiedBoolType() const { return m_ptr ? &RefPtr::get : 0; }
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RefPtr& operator=(const RefPtr&);
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RefPtr& operator=(T *);
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RefPtr& operator=(const PassRefPtr<T>&);
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template <typename U> RefPtr& operator=(const RefPtr<U>&);
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template <typename U> RefPtr& operator=(const PassRefPtr<U>&);
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template <typename T> template <typename U> inline RefPtr<T>::RefPtr(const PassRefPtr<U>& o)
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: m_ptr(o.releaseRef())
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template <typename T> inline RefPtr<T>& RefPtr<T>::operator=(const RefPtr<T>& o)
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template <typename T> template <typename U> inline RefPtr<T>& RefPtr<T>::operator=(const RefPtr<U>& o)
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template <typename T> inline RefPtr<T>& RefPtr<T>::operator=(T* optr)
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template <typename T> inline RefPtr<T>& RefPtr<T>::operator=(const PassRefPtr<T>& o)
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m_ptr = o.releaseRef();
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template <typename T> template <typename U> inline RefPtr<T>& RefPtr<T>::operator=(const PassRefPtr<U>& o)
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m_ptr = o.releaseRef();
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template <class T> inline void RefPtr<T>::swap(RefPtr<T>& o)
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std::swap(m_ptr, o.m_ptr);
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template <class T> inline void swap(RefPtr<T>& a, RefPtr<T>& b)
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template <typename T, typename U> inline bool operator==(const RefPtr<T>& a, const RefPtr<U>& b)
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return a.get() == b.get();
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template <typename T, typename U> inline bool operator==(const RefPtr<T>& a, U* b)
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template <typename T, typename U> inline bool operator==(T* a, const RefPtr<U>& b)
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template <typename T, typename U> inline bool operator!=(const RefPtr<T>& a, const RefPtr<U>& b)
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return a.get() != b.get();
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template <typename T, typename U> inline bool operator!=(const RefPtr<T>& a, U* b)
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template <typename T, typename U> inline bool operator!=(T* a, const RefPtr<U>& b)
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template <typename T, typename U> inline RefPtr<T> static_pointer_cast(const RefPtr<U>& p)
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return RefPtr<T>(static_cast<T *>(p.get()));
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template <typename T, typename U> inline RefPtr<T> const_pointer_cast(const RefPtr<U>& p)
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return RefPtr<T>(const_cast<T *>(p.get()));
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template <typename T> inline T* getPtr(const RefPtr<T>& p)
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using WTF::static_pointer_cast;
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using WTF::const_pointer_cast;
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#endif // WTF_RefPtr_h