mirror of
https://github.com/mozilla/gecko-dev.git
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80 lines
1.9 KiB
C++
80 lines
1.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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* Scott Collins <scc@netscape.com>
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*/
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#include "nsCOMPtr.h"
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nsresult
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nsQueryInterface::operator()( const nsIID& aIID, void** answer ) const
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{
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nsresult status;
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if ( mRawPtr )
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status = mRawPtr->QueryInterface(aIID, answer);
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else
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status = NS_ERROR_NULL_POINTER;
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if ( mErrorPtr )
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*mErrorPtr = status;
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return status;
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}
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#ifdef NSCAP_FEATURE_FACTOR_DESTRUCTOR
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nsCOMPtr_base::~nsCOMPtr_base()
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{
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if ( mRawPtr )
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NSCAP_RELEASE(mRawPtr);
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}
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#endif
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void
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nsCOMPtr_base::assign_with_AddRef( nsISupports* rawPtr )
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{
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if ( rawPtr )
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NSCAP_ADDREF(rawPtr);
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if ( mRawPtr )
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NSCAP_RELEASE(mRawPtr);
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mRawPtr = rawPtr;
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}
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void
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nsCOMPtr_base::assign_from_helper( const nsCOMPtr_helper& helper, const nsIID& iid )
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{
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nsISupports* newRawPtr;
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if ( !NS_SUCCEEDED( helper(iid, NS_REINTERPRET_CAST(void**, &newRawPtr)) ) )
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newRawPtr = 0;
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if ( mRawPtr )
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NSCAP_RELEASE(mRawPtr);
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mRawPtr = newRawPtr;
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}
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void**
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nsCOMPtr_base::begin_assignment()
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{
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if ( mRawPtr )
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{
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NSCAP_RELEASE(mRawPtr);
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mRawPtr = 0;
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}
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return NS_REINTERPRET_CAST(void**, &mRawPtr);
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}
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