rdf/base/rdfITripleVisitor.idl
author Boris Zbarsky <bzbarsky@mit.edu>
Fri, 09 Feb 2018 11:17:09 -0500
changeset 403182 b01bd36c38995a89fa6a012fa8132eed7e284f72
parent 195585 12285ae78c93b17e7b5676c5655061b34ea63445
permissions -rw-r--r--
Bug 1436508 part 10. Remove use of nsIDOMKeyEvent in JS. r=masayuki MozReview-Commit-ID: GGciORX62Yh

/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "nsISupports.idl"

interface nsIRDFResource;
interface nsIRDFNode;

/**
 * Interface used in RDF to enumerate triples.
 * Also used by rdfIDataSource::getAllSubjects, then aPredicate,
 * aObject and aTruthValue are ignored.
 *
 * @status PLASMA
 */

[scriptable, function, uuid(aafea151-c271-4505-9978-a100d292800c)]
interface rdfITripleVisitor : nsISupports
{
    /**
     * Callback function for returning query results.
     *
     * @param aSubject, aPredicate, aObject describe the (sub-)arc
     * @returnCode NS_RDF_STOP_VISIT to stop iterating over the query result.
     *             Any error code will stop the iteration as well.
     */
    void visit(in nsIRDFNode aSubject, in nsIRDFResource aPredicate,
               in nsIRDFNode aObject, in boolean aTruthValue);
};