mirror of
https://github.com/classilla/tenfourfox.git
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95 lines
2.9 KiB
Plaintext
95 lines
2.9 KiB
Plaintext
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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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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#include "nsISimpleEnumerator.idl"
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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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readonly attribute nsIRDFDataSource DataSource;
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readonly attribute nsIRDFResource Resource;
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/**
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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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*/
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void Init(in nsIRDFDataSource aDataSource, in nsIRDFResource aContainer);
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/**
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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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*/
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long GetCount();
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/**
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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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*/
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nsISimpleEnumerator GetElements();
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/**
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* Append an element to the container, assigning it the next
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* available ordinal.
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*/
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void AppendElement(in nsIRDFNode aElement);
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/**
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* Remove the first occurence of the specified element from the
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* container. If aRenumber is 'true', then the underlying RDF graph
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* will be 're-numbered' to account for the removal.
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*/
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void RemoveElement(in nsIRDFNode aElement, in boolean aRenumber);
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/**
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* Insert aElement at the specified index. If aRenumber is 'true', then
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* the underlying RDF graph will be 're-numbered' to accomodate the new
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* element.
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*/
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void InsertElementAt(in nsIRDFNode aElement, in long aIndex, in boolean aRenumber);
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/**
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* Remove the element at the specified index. If aRenumber is 'true', then
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* the underlying RDF graph will be 're-numbered' to account for the
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* removal.
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*
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* @return the element that was removed.
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*/
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nsIRDFNode RemoveElementAt(in long aIndex, in boolean aRenumber);
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/**
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* Determine the index of an element in the container.
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*
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* @return The index of the specified element in the container. If
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* the element is not contained in the container, this function
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* returns '-1'.
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*/
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long IndexOf(in nsIRDFNode aElement);
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};
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%{C++
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nsresult
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NS_NewRDFContainer(nsIRDFContainer** aResult);
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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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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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