зеркало из https://github.com/mozilla/gecko-dev.git
90 строки
2.9 KiB
C++
90 строки
2.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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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*
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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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*
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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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* 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
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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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*
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* Contributor(s):
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* Scott Collins <scc@netscape.com>
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*
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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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*
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* ***** END LICENSE BLOCK ***** */
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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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{
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status = mRawPtr->QueryInterface(aIID, answer);
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#ifdef NSCAP_FEATURE_TEST_NONNULL_QUERY_SUCCEEDS
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NS_WARN_IF_FALSE(NS_SUCCEEDED(status), "interface not found---were you expecting that?");
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#endif
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}
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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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nsCOMPtr_base::~nsCOMPtr_base()
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{
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NSCAP_LOG_RELEASE(this, mRawPtr);
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if ( mRawPtr )
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NSCAP_RELEASE(this, mRawPtr);
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}
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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(this, rawPtr);
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assign_assuming_AddRef(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_FAILED( helper(iid, NS_REINTERPRET_CAST(void**, &newRawPtr)) ) )
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newRawPtr = 0;
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assign_assuming_AddRef(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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assign_assuming_AddRef(0);
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return NS_REINTERPRET_CAST(void**, &mRawPtr);
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}
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