зеркало из https://github.com/mozilla/gecko-dev.git
78 строки
2.6 KiB
C++
78 строки
2.6 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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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 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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/*
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The RDF resource factory interface. A resource factory produces
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nsIRDFResource objects for a specified URI prefix.
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*/
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#ifndef nsIRDFResourceFactory_h__
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#define nsIRDFResourceFactory_h__
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#if 0 // obsolete
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#include "nsISupports.h"
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class nsIRDFResource;
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// {8CE57A20-A02C-11d2-8EBF-00805F29F370}
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#define NS_IRDFRESOURCEFACTORY_IID \
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{ 0x8ce57a20, 0xa02c, 0x11d2, { 0x8e, 0xbf, 0x0, 0x80, 0x5f, 0x29, 0xf3, 0x70 } }
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/**
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* A resource factory can be registered with <tt>nsIRDFService</tt> to produce
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* resources with a certain <i>URI prefix</i>. The resource factory will be called
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* upon to create a new resource, which the resource manager will cache.
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*
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* @see nsIRDFService::RegisterResourceFactory
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* @see nsIRDFService::UnRegisterResourceFactory
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*/
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class nsIRDFResourceFactory : public nsISupports
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{
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public:
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static const nsIID& GetIID() { static nsIID iid = NS_IRDFRESOURCEFACTORY_IID; return iid; }
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/**
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* This method is called by the RDF service to create a new
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* resource.
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*
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* NOTE. After constructing a new resource via a call to
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* nsIRDFResourceFactory::CreateResource(), the implementation of
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* the RDF service calls nsIRDFResource::GetValue() on the
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* resulting resource. The resulting <tt>const char*</tt> is used
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* as a key for the resource cache. (The assumption is that the
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* custom resource implementation needs to store this information,
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* anyway.)
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*
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* This has important implications for a custom resource's
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* destructor; namely, that you must call
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* nsIRDFService::UnCacheResource() <b>before</b> releasing the
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* storage for the resource's URI. See
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* nsIRDFService::UnCacheResource() for more information.
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*/
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NS_IMETHOD CreateResource(const char* aURI, nsIRDFResource** aResult) = 0;
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};
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#endif
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#endif // nsIRDFResourceFactory_h__
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