зеркало из https://github.com/mozilla/gecko-dev.git
90 строки
3.2 KiB
C++
90 строки
3.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; 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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*
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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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*
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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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#ifndef nsCategoryManagerUtils_h__
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#define nsCategoryManagerUtils_h__
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#include "nsICategoryManager.h"
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#include "nsCOMPtr.h"
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NS_COM nsresult
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NS_CreateServicesFromCategory(const char *category,
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nsISupports *origin,
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const char *observerTopic);
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class NS_COM nsCreateInstanceFromCategory : public nsCOMPtr_helper
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{
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public:
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nsCreateInstanceFromCategory(const char *aCategory, const char *aEntry,
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nsISupports *aOuter, nsresult *aErrorPtr)
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: mCategory(aCategory),
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mEntry(aEntry),
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mErrorPtr(aErrorPtr)
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{
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// nothing else to do;
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}
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virtual nsresult operator()( const nsIID& aIID, void** aInstancePtr) const;
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virtual ~nsCreateInstanceFromCategory() {};
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private:
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const char *mCategory; // Do not free. This char * is not owned.
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const char *mEntry; // Do not free. This char * is not owned.
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nsISupports *mOuter;
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nsresult *mErrorPtr;
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};
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inline
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const nsCreateInstanceFromCategory
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do_CreateInstanceFromCategory( const char *aCategory, const char *aEntry,
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nsresult *aErrorPtr = 0)
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{
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return nsCreateInstanceFromCategory(aCategory, aEntry, 0, aErrorPtr);
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}
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inline
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const nsCreateInstanceFromCategory
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do_CreateInstanceFromCategory( const char *aCategory, const char *aEntry,
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nsISupports *aOuter, nsresult *aErrorPtr = 0)
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{
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return nsCreateInstanceFromCategory(aCategory, aEntry, aOuter, aErrorPtr);
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}
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#endif
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