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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: NPL 1.1/GPL 2.0/LGPL 2.1
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* The contents of this file are subject to the Netscape Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* The Original Code is Mozilla Communicator client code.
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the NPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the NPL, the GPL or the LGPL.
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* ***** END LICENSE BLOCK ***** */
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DO NOT USE THIS. IT IS INTENDED FOR TEMPORARY USE BY GLOBAL HISTORY,
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PENDING CONVERSION OF THE MDB INTERFACES TO XPCOM.
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class nsMdbDerivedSafe : public T
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virtual mdb_err AddStrongRef(nsIMdbEnv* aEnv) { return 0; } // NOT TO BE IMPLEMENTED
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virtual mdb_err CutStrongRef(nsIMdbEnv* aEnv) { return 0; } // NOT TO BE IMPLEMENTED
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virtual nsMdbDerivedSafe<T>& operator=(const T&) { return *this; } // NOT TO BE IMPLEMENTED
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void operator delete(void*, size_t) {} // NOT TO BE IMPLEMENTED
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nsMdbPtr(nsIMdbEnv* aEnv) : mEnv(aEnv), mRawPtr(0)
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NS_PRECONDITION(aEnv != 0, "null ptr");
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nsMdbPtr(nsIMdbEnv* aEnv, T* aRawPtr) : mEnv(aEnv), mRawPtr(0)
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NS_PRECONDITION(aEnv != 0, "null ptr");
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mRawPtr->AddStrongRef(mEnv);
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nsMdbPtr(const nsMdbPtr<T>& aSmartPtr) : mEnv(aSmartPtr.mEnv), mRawPtr(0)
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mRawPtr->AddStrongRef(mEnv);
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operator=(const nsMdbPtr<T>& aSmartPtr)
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mRawPtr->CutStrongRef(mEnv);
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mEnv = aSmartPtr.mEnv;
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mRawPtr = aSmartPtr.mRawPtr;
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mRawPtr->AddStrongRef(mEnv);
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mRawPtr->CutStrongRef(mEnv);
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return NS_REINTERPRET_CAST(nsMdbDerivedSafe<T>*, mRawPtr);
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operator nsMdbDerivedSafe<T>*() const
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mRawPtr->CutStrongRef(mEnv);
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template <class T, class U>
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operator==(const nsMdbPtr<T>& lhs, const nsMdbPtr<U>& rhs)
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return NS_STATIC_CAST(const void*, lhs.get()) == NS_STATIC_CAST(const void*, rhs.get());
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template <class T, class U>
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operator==(const nsMdbPtr<T>& lhs, const U* rhs)
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return NS_STATIC_CAST(const void*, lhs.get()) == NS_STATIC_CAST(const void*, rhs);
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template <class T, class U>
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operator==(const U* lhs, const nsMdbPtr<T>& rhs)
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return NS_STATIC_CAST(const void*, lhs) == NS_STATIC_CAST(const void*, rhs.get());
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template <class T, class U>
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operator!=(const nsMdbPtr<T>& lhs, const nsMdbPtr<U>& rhs)
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return NS_STATIC_CAST(const void*, lhs.get()) != NS_STATIC_CAST(const void*, rhs.get());
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template <class T, class U>
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operator!=(const nsMdbPtr<T>& lhs, const U* rhs)
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return NS_STATIC_CAST(const void*, lhs.get()) != NS_STATIC_CAST(const void*, rhs);
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template <class T, class U>
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operator!=(const U* lhs, const nsMdbPtr<T>& rhs)
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return NS_STATIC_CAST(const void*, lhs) != NS_STATIC_CAST(const void*, rhs.get());
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class nsGetterAcquires
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nsMdbPtr<T>& mTargetSmartPtr;
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nsGetterAcquires(nsMdbPtr<T>& aSmartPtr) : mTargetSmartPtr(aSmartPtr)
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// nothing else to do
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return mTargetSmartPtr.StartAssignment();
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getter_Acquires(nsMdbPtr<T>& aSmartPtr)
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return nsGetterAcquires<T>(aSmartPtr);
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#endif // nsMdbPtr_h__