зеркало из https://github.com/mozilla/gecko-dev.git
Bug 403592 - remove incredibly long-dead nsMdbPtr.h, r=bsmedberg, a=schrep
This commit is contained in:
philringnalda@gmail.com
Родитель
16ef90a8d3
Коммит
fcc97e5267
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@ -1,244 +0,0 @@
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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: MPL 1.1/GPL 2.0/LGPL 2.1
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||||
*
|
||||
* The contents of this file are subject to the Mozilla Public License Version
|
||||
* 1.1 (the "License"); you may not use this file except in compliance with
|
||||
* the License. You may obtain a copy of the License at
|
||||
* http://www.mozilla.org/MPL/
|
||||
*
|
||||
* Software distributed under the License is distributed on an "AS IS" basis,
|
||||
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
||||
* for the specific language governing rights and limitations under the
|
||||
* License.
|
||||
*
|
||||
* The Original Code is Mozilla Communicator client code.
|
||||
*
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||||
* The Initial Developer of the Original Code is
|
||||
* Netscape Communications Corporation.
|
||||
* Portions created by the Initial Developer are Copyright (C) 1998
|
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* the Initial Developer. All Rights Reserved.
|
||||
*
|
||||
* Contributor(s):
|
||||
*
|
||||
* Alternatively, the contents of this file may be used under the terms of
|
||||
* either the GNU General Public License Version 2 or later (the "GPL"), or
|
||||
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
||||
* in which case the provisions of the GPL or the LGPL are applicable instead
|
||||
* of those above. If you wish to allow use of your version of this file only
|
||||
* under the terms of either the GPL or the LGPL, and not to allow others to
|
||||
* use your version of this file under the terms of the MPL, indicate your
|
||||
* decision by deleting the provisions above and replace them with the notice
|
||||
* and other provisions required by the GPL or the LGPL. If you do not delete
|
||||
* the provisions above, a recipient may use your version of this file under
|
||||
* the terms of any one of the MPL, the GPL or the LGPL.
|
||||
*
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* ***** END LICENSE BLOCK ***** */
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/*
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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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*/
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#ifndef nsMdbPtr_h__
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#define nsMdbPtr_h__
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#include "mdb.h"
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template <class T>
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class nsMdbDerivedSafe : public T
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{
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private:
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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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};
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template <class T>
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class nsMdbPtr
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{
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private:
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nsIMdbEnv* mEnv;
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T* mRawPtr;
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public:
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nsMdbPtr(nsIMdbEnv* aEnv) : mEnv(aEnv), mRawPtr(0)
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{
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NS_PRECONDITION(aEnv != 0, "null ptr");
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}
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nsMdbPtr(nsIMdbEnv* aEnv, T* aRawPtr) : mEnv(aEnv), mRawPtr(0)
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{
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NS_PRECONDITION(aEnv != 0, "null ptr");
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if (mEnv) {
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if (aRawPtr) {
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mRawPtr = aRawPtr;
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mRawPtr->AddStrongRef(mEnv);
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}
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}
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}
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nsMdbPtr(const nsMdbPtr<T>& aSmartPtr) : mEnv(aSmartPtr.mEnv), mRawPtr(0)
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{
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if (mEnv) {
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if (aSmartPtr) {
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mRawPtr = aSmartPtr;
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mRawPtr->AddStrongRef(mEnv);
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}
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}
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}
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nsMdbPtr<T>&
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operator=(const nsMdbPtr<T>& aSmartPtr)
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{
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if (mEnv) {
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if (mRawPtr) {
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mRawPtr->CutStrongRef(mEnv);
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mRawPtr = 0;
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}
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}
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mEnv = aSmartPtr.mEnv;
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if (mEnv) {
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mRawPtr = aSmartPtr.mRawPtr;
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if (mRawPtr)
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mRawPtr->AddStrongRef(mEnv);
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}
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return *this;
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}
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~nsMdbPtr()
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{
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if (mEnv) {
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if (mRawPtr)
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mRawPtr->CutStrongRef(mEnv);
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}
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}
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nsMdbDerivedSafe<T>*
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get() const
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{
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return reinterpret_cast<nsMdbDerivedSafe<T>*>(mRawPtr);
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}
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nsMdbDerivedSafe<T>*
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operator->() const
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{
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return get();
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}
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nsMdbDerivedSafe<T>&
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operator*() const
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{
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return *get();
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}
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operator nsMdbDerivedSafe<T>*() const
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{
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return get();
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}
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T**
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StartAssignment()
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{
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if (mRawPtr) {
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mRawPtr->CutStrongRef(mEnv);
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mRawPtr = 0;
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}
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return &mRawPtr;
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}
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};
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template <class T, class U>
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inline
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PRBool
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operator==(const nsMdbPtr<T>& lhs, const nsMdbPtr<U>& rhs)
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{
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return static_cast<const void*>(lhs.get()) == static_cast<const void*>(rhs.get());
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}
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template <class T, class U>
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inline
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PRBool
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operator==(const nsMdbPtr<T>& lhs, const U* rhs)
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{
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return static_cast<const void*>(lhs.get()) == static_cast<const void*>(rhs);
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}
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template <class T, class U>
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inline
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PRBool
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operator==(const U* lhs, const nsMdbPtr<T>& rhs)
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{
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return static_cast<const void*>(lhs) == static_cast<const void*>(rhs.get());
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}
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template <class T, class U>
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inline
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PRBool
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operator!=(const nsMdbPtr<T>& lhs, const nsMdbPtr<U>& rhs)
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{
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return static_cast<const void*>(lhs.get()) != static_cast<const void*>(rhs.get());
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}
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template <class T, class U>
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inline
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PRBool
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operator!=(const nsMdbPtr<T>& lhs, const U* rhs)
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{
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return static_cast<const void*>(lhs.get()) != static_cast<const void*>(rhs);
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}
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template <class T, class U>
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inline
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PRBool
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operator!=(const U* lhs, const nsMdbPtr<T>& rhs)
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{
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return static_cast<const void*>(lhs) != static_cast<const void*>(rhs.get());
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}
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template <class T>
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class nsGetterAcquires
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{
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private:
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nsMdbPtr<T>& mTargetSmartPtr;
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public:
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explicit
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nsGetterAcquires(nsMdbPtr<T>& aSmartPtr) : mTargetSmartPtr(aSmartPtr)
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{
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// nothing else to do
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}
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operator T**()
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{
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return mTargetSmartPtr.StartAssignment();
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}
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};
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template <class T>
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inline
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nsGetterAcquires<T>
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getter_Acquires(nsMdbPtr<T>& aSmartPtr)
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{
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return nsGetterAcquires<T>(aSmartPtr);
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}
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#endif // nsMdbPtr_h__
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@ -1,245 +0,0 @@
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
|
||||
/* ***** BEGIN LICENSE BLOCK *****
|
||||
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
||||
*
|
||||
* The contents of this file are subject to the Mozilla Public License Version
|
||||
* 1.1 (the "License"); you may not use this file except in compliance with
|
||||
* the License. You may obtain a copy of the License at
|
||||
* http://www.mozilla.org/MPL/
|
||||
*
|
||||
* Software distributed under the License is distributed on an "AS IS" basis,
|
||||
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
||||
* for the specific language governing rights and limitations under the
|
||||
* License.
|
||||
*
|
||||
* The Original Code is Mozilla Communicator client code.
|
||||
*
|
||||
* The Initial Developer of the Original Code is
|
||||
* Netscape Communications Corporation.
|
||||
* Portions created by the Initial Developer are Copyright (C) 1998
|
||||
* the Initial Developer. All Rights Reserved.
|
||||
*
|
||||
* Contributor(s):
|
||||
* Alec Flett <alecf@netscape.com>
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*
|
||||
* Alternatively, the contents of this file may be used under the terms of
|
||||
* either of the GNU General Public License Version 2 or later (the "GPL"),
|
||||
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
||||
* in which case the provisions of the GPL or the LGPL are applicable instead
|
||||
* of those above. If you wish to allow use of your version of this file only
|
||||
* under the terms of either the GPL or the LGPL, and not to allow others to
|
||||
* use your version of this file under the terms of the MPL, indicate your
|
||||
* decision by deleting the provisions above and replace them with the notice
|
||||
* and other provisions required by the GPL or the LGPL. If you do not delete
|
||||
* the provisions above, a recipient may use your version of this file under
|
||||
* the terms of any one of the MPL, the GPL or the LGPL.
|
||||
*
|
||||
* ***** END LICENSE BLOCK ***** */
|
||||
|
||||
/*
|
||||
|
||||
DO NOT USE THIS. IT IS INTENDED FOR TEMPORARY USE BY GLOBAL HISTORY,
|
||||
PENDING CONVERSION OF THE MDB INTERFACES TO XPCOM.
|
||||
|
||||
*/
|
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#ifndef nsMdbPtr_h__
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#define nsMdbPtr_h__
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#include "mdb.h"
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template <class T>
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class nsMdbDerivedSafe : public T
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{
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private:
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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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};
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template <class T>
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class nsMdbPtr
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{
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private:
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nsIMdbEnv* mEnv;
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T* mRawPtr;
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public:
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nsMdbPtr(nsIMdbEnv* aEnv) : mEnv(aEnv), mRawPtr(0)
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{
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NS_PRECONDITION(aEnv != 0, "null ptr");
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}
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nsMdbPtr(nsIMdbEnv* aEnv, T* aRawPtr) : mEnv(aEnv), mRawPtr(0)
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{
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NS_PRECONDITION(aEnv != 0, "null ptr");
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if (mEnv) {
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if (aRawPtr) {
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mRawPtr = aRawPtr;
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mRawPtr->AddStrongRef(mEnv);
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}
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}
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}
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nsMdbPtr(const nsMdbPtr<T>& aSmartPtr) : mEnv(aSmartPtr.mEnv), mRawPtr(0)
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{
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if (mEnv) {
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if (aSmartPtr) {
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mRawPtr = aSmartPtr;
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mRawPtr->AddStrongRef(mEnv);
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}
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}
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}
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nsMdbPtr<T>&
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operator=(const nsMdbPtr<T>& aSmartPtr)
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{
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if (mEnv) {
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if (mRawPtr) {
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mRawPtr->CutStrongRef(mEnv);
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mRawPtr = 0;
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}
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}
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mEnv = aSmartPtr.mEnv;
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if (mEnv) {
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mRawPtr = aSmartPtr.mRawPtr;
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if (mRawPtr)
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mRawPtr->AddStrongRef(mEnv);
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}
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return *this;
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}
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~nsMdbPtr()
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{
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if (mEnv) {
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if (mRawPtr)
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mRawPtr->CutStrongRef(mEnv);
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}
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}
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nsMdbDerivedSafe<T>*
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get() const
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{
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return reinterpret_cast<nsMdbDerivedSafe<T>*>(mRawPtr);
|
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}
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nsMdbDerivedSafe<T>*
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operator->() const
|
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{
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return get();
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}
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nsMdbDerivedSafe<T>&
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operator*() const
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{
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return *get();
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}
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operator nsMdbDerivedSafe<T>*() const
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{
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return get();
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}
|
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|
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T**
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StartAssignment()
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{
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if (mRawPtr) {
|
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mRawPtr->CutStrongRef(mEnv);
|
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mRawPtr = 0;
|
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}
|
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return &mRawPtr;
|
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}
|
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};
|
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|
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template <class T, class U>
|
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inline
|
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PRBool
|
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operator==(const nsMdbPtr<T>& lhs, const nsMdbPtr<U>& rhs)
|
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{
|
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return static_cast<const void*>(lhs.get()) == static_cast<const void*>(rhs.get());
|
||||
}
|
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|
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template <class T, class U>
|
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inline
|
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PRBool
|
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operator==(const nsMdbPtr<T>& lhs, const U* rhs)
|
||||
{
|
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return static_cast<const void*>(lhs.get()) == static_cast<const void*>(rhs);
|
||||
}
|
||||
|
||||
|
||||
template <class T, class U>
|
||||
inline
|
||||
PRBool
|
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operator==(const U* lhs, const nsMdbPtr<T>& rhs)
|
||||
{
|
||||
return static_cast<const void*>(lhs) == static_cast<const void*>(rhs.get());
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
template <class T, class U>
|
||||
inline
|
||||
PRBool
|
||||
operator!=(const nsMdbPtr<T>& lhs, const nsMdbPtr<U>& rhs)
|
||||
{
|
||||
return static_cast<const void*>(lhs.get()) != static_cast<const void*>(rhs.get());
|
||||
}
|
||||
|
||||
template <class T, class U>
|
||||
inline
|
||||
PRBool
|
||||
operator!=(const nsMdbPtr<T>& lhs, const U* rhs)
|
||||
{
|
||||
return static_cast<const void*>(lhs.get()) != static_cast<const void*>(rhs);
|
||||
}
|
||||
|
||||
|
||||
template <class T, class U>
|
||||
inline
|
||||
PRBool
|
||||
operator!=(const U* lhs, const nsMdbPtr<T>& rhs)
|
||||
{
|
||||
return static_cast<const void*>(lhs) != static_cast<const void*>(rhs.get());
|
||||
}
|
||||
|
||||
|
||||
|
||||
template <class T>
|
||||
class nsGetterAcquires
|
||||
{
|
||||
private:
|
||||
nsMdbPtr<T>& mTargetSmartPtr;
|
||||
|
||||
public:
|
||||
explicit
|
||||
nsGetterAcquires(nsMdbPtr<T>& aSmartPtr) : mTargetSmartPtr(aSmartPtr)
|
||||
{
|
||||
// nothing else to do
|
||||
}
|
||||
|
||||
operator T**()
|
||||
{
|
||||
return mTargetSmartPtr.StartAssignment();
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
template <class T>
|
||||
inline
|
||||
nsGetterAcquires<T>
|
||||
getter_Acquires(nsMdbPtr<T>& aSmartPtr)
|
||||
{
|
||||
return nsGetterAcquires<T>(aSmartPtr);
|
||||
}
|
||||
|
||||
|
||||
#endif // nsMdbPtr_h__
|
||||
|
||||
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