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91 lines
3.1 KiB
Plaintext
91 lines
3.1 KiB
Plaintext
/* -*- 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
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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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*/
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#include "nsrootidl.idl"
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#include "nsIRDFNode.idl"
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/**
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* An nsIRDFResource is an object that has unique identity in the
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* RDF data model. The object's identity is determined by its URI.
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*/
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[scriptable, uuid(E0C493D1-9542-11d2-8EB8-00805F29F370)]
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interface nsIRDFResource : nsIRDFNode {
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/**
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* The single-byte string value of the resource
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*/
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readonly attribute string Value;
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/**
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* An unscriptable version used to avoid a string copy. Meant
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* for use as a performance optimization.
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*/
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[noscript] void GetValueConst([shared] out string aConstValue);
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/**
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* This method is called by the nsIRDFService after constructing
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* a resource object to initialize it's URI. You would not normally
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* call this method directly
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*/
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void Init(in string uri);
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/**
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* Determine if the resource has the given URI.
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*/
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boolean EqualsString(in string aURI);
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/**
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* Retrieve the "delegate" object for this resource. A resource
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* may have several delegate objects, each of whose lifetimes is
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* bound to the life of the resource object.
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*
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* This method will return the delegate for the given key after
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* QueryInterface()-ing it to the requested IID.
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*
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* If no delegate exists for the specified key, this method will
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* attempt to create one using the component manager. Specifically,
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* it will combine aKey with the resource's URI scheme to produce
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* a ProgID as follows:
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*
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* component:/rdf/delegate-factory/[key]/[scheme]
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*
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* This ProgID will be used to locate a factory using the
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* FindFactory() method of nsIComponentManager. If the nsIFactory
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* exists, it will be used to create a "delegate factory"; that
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* is, an object that supports nsIRDFDelegateFactory. The delegate
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* factory will be used to construct the delegate object.
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*/
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void GetDelegate(in string aKey, in nsIIDRef aIID,
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[iid_is(aIID),retval] out nsQIResult aResult);
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/**
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* Force a delegate to be "unbound" from the resource.
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*
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* Normally, a delegate object's lifetime will be identical to
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* that of the resource to which it is bound; this method allows a
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* delegate to unlink itself from an RDF resource prematurely.
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*/
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void ReleaseDelegate(in string aKey);
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};
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