1999-05-04 07:37:07 +04:00
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/* -*- 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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#include "nsISupports.idl"
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#include "nsIRDFDataSource.idl"
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#include "nsIRDFResource.idl"
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#include "nsIRDFNode.idl"
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1999-05-07 23:55:44 +04:00
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#include "nsIEnumerator.idl"
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1999-05-04 07:37:07 +04:00
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// A wrapper for manipulating RDF containers
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[scriptable, uuid(D4214E90-FB94-11D2-BDD8-00104BDE6048)]
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interface nsIRDFContainer : nsISupports {
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// Initialize the container wrapper to the specified resource
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// using the specified datasource for context.
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void Init(in nsIRDFDataSource aDataSource, in nsIRDFResource aContainer);
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// Return the number of elements in the container. Note that this
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// may not always be accurate due to aggregation.
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long GetCount();
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// Return an enumerator that can be used to enumerate the contents
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// of the container in ascending order.
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nsISimpleEnumerator GetElements();
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// Append an element to the container, assigning it the next
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// available ordinal.
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void AppendElement(in nsIRDFNode aElement);
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// Remove the first occurence of the specified element from the
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// container.
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void RemoveElement(in nsIRDFNode aElement, in boolean aRenumber);
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void InsertElementAt(in nsIRDFNode aElement, in long aIndex, in boolean aRenumber);
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long IndexOf(in nsIRDFNode aElement);
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};
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%{C++
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PR_EXTERN(nsresult)
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NS_NewRDFContainer(nsIRDFContainer** aResult);
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PR_EXTERN(nsresult)
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NS_NewRDFContainer(nsIRDFDataSource* aDataSource,
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nsIRDFResource* aResource,
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nsIRDFContainer** aResult);
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/**
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* Create a cursor on a container that enumerates its contents in
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* order
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*/
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PR_EXTERN(nsresult)
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NS_NewContainerEnumerator(nsIRDFDataSource* aDataSource,
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nsIRDFResource* aContainer,
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nsISimpleEnumerator** aResult);
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%}
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