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comparison: rdf/base/idl/rdfITripleVisitor.idl
rdf/base/idl/rdfITripleVisitor.idl
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| 1 /* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #include "nsISupports.idl" | |
| 7 | |
| 8 interface nsIRDFResource; | |
| 9 interface nsIRDFNode; | |
| 10 | |
| 11 /** | |
| 12 * Interface used in RDF to enumerate triples. | |
| 13 * Also used by rdfIDataSource::getAllSubjects, then aPredicate, | |
| 14 * aObject and aTruthValue are ignored. | |
| 15 * | |
| 16 * @status PLASMA | |
| 17 */ | |
| 18 | |
| 19 [scriptable, function, uuid(aafea151-c271-4505-9978-a100d292800c)] | |
| 20 interface rdfITripleVisitor : nsISupports | |
| 21 { | |
| 22 /** | |
| 23 * Callback function for returning query results. | |
| 24 * | |
| 25 * @param aSubject, aPredicate, aObject describe the (sub-)arc | |
| 26 * @returnCode NS_RDF_STOP_VISIT to stop iterating over the query result. | |
| 27 * Any error code will stop the iteration as well. | |
| 28 */ | |
| 29 void visit(in nsIRDFNode aSubject, in nsIRDFResource aPredicate, | |
| 30 in nsIRDFNode aObject, in boolean aTruthValue); | |
| 31 }; |
