pjs/db/mork/build/nsMorkFactory.cpp

95 строки
2.2 KiB
C++
Исходник Обычный вид История

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape 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/NPL/
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*
* 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.
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*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1999 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
* Pierre Phaneuf <pp@ludusdesign.com>
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*/
#include "nsIServiceManager.h"
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#include "nsCOMPtr.h"
#include "nsIModule.h"
#include "nsIGenericFactory.h"
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#include "nsMorkCID.h"
#include "nsIMdbFactoryFactory.h"
#include "mdb.h"
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class nsMorkFactoryFactory : public nsIMdbFactoryFactory
{
public:
nsMorkFactoryFactory();
// nsISupports methods
NS_DECL_ISUPPORTS
NS_IMETHOD GetMdbFactory(nsIMdbFactory **aFactory);
};
NS_GENERIC_FACTORY_CONSTRUCTOR(nsMorkFactoryFactory)
static nsModuleComponentInfo components[] =
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{
{ "Mork Factory",
NS_MORK_CID,
nsnull,
nsMorkFactoryFactoryConstructor
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}
};
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NS_IMPL_NSGETMODULE("nsMorkModule", components);
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static nsIMdbFactory *gMDBFactory = nsnull;
NS_IMPL_ADDREF(nsMorkFactoryFactory)
NS_IMPL_RELEASE(nsMorkFactoryFactory)
NS_IMETHODIMP
nsMorkFactoryFactory::QueryInterface(REFNSIID iid, void** result)
{
if (! result)
return NS_ERROR_NULL_POINTER;
*result = nsnull;
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if(iid.Equals(NS_GET_IID(nsIMdbFactoryFactory)) ||
iid.Equals(NS_GET_IID(nsISupports))) {
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*result = NS_STATIC_CAST(nsIMdbFactoryFactory*, this);
AddRef();
return NS_OK;
}
return NS_NOINTERFACE;
}
nsMorkFactoryFactory::nsMorkFactoryFactory()
{
NS_INIT_REFCNT();
}
NS_IMETHODIMP nsMorkFactoryFactory::GetMdbFactory(nsIMdbFactory **aFactory)
{
if (!gMDBFactory)
gMDBFactory = MakeMdbFactory();
*aFactory = gMDBFactory;
return (gMDBFactory) ? NS_OK : NS_ERROR_OUT_OF_MEMORY;
}