/* This file is part of the OWL API. * The contents of this file are subject to the LGPL License, Version 3.0. * Copyright 2014, The University of Manchester * * This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. * You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/. * * Alternatively, the contents of this file may be used under the terms of the Apache License, Version 2.0 in which case, the provisions of the Apache License Version 2.0 are applicable instead of those above. * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at * http://www.apache.org/licenses/LICENSE-2.0 * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. */ package org.semanticweb.owlapi.dlsyntax.renderer; import static org.semanticweb.owlapi.dlsyntax.renderer.DLSyntax.AND; import static org.semanticweb.owlapi.dlsyntax.renderer.DLSyntax.BOTTOM; import static org.semanticweb.owlapi.dlsyntax.renderer.DLSyntax.COMMA; import static org.semanticweb.owlapi.dlsyntax.renderer.DLSyntax.COMP; import static org.semanticweb.owlapi.dlsyntax.renderer.DLSyntax.DISJOINT_WITH; import static org.semanticweb.owlapi.dlsyntax.renderer.DLSyntax.EQUAL; import static org.semanticweb.owlapi.dlsyntax.renderer.DLSyntax.EQUIVALENT_TO; import static org.semanticweb.owlapi.dlsyntax.renderer.DLSyntax.EXISTS; import static org.semanticweb.owlapi.dlsyntax.renderer.DLSyntax.FORALL; import static org.semanticweb.owlapi.dlsyntax.renderer.DLSyntax.IMPLIES; import static org.semanticweb.owlapi.dlsyntax.renderer.DLSyntax.IN; import static org.semanticweb.owlapi.dlsyntax.renderer.DLSyntax.INVERSE; import static org.semanticweb.owlapi.dlsyntax.renderer.DLSyntax.MAX; import static org.semanticweb.owlapi.dlsyntax.renderer.DLSyntax.MIN; import static org.semanticweb.owlapi.dlsyntax.renderer.DLSyntax.NOT; import static org.semanticweb.owlapi.dlsyntax.renderer.DLSyntax.NOT_EQUAL; import static org.semanticweb.owlapi.dlsyntax.renderer.DLSyntax.OR; import static org.semanticweb.owlapi.dlsyntax.renderer.DLSyntax.SELF; import static org.semanticweb.owlapi.dlsyntax.renderer.DLSyntax.SUBCLASS; import static org.semanticweb.owlapi.dlsyntax.renderer.DLSyntax.TOP; import static org.semanticweb.owlapi.dlsyntax.renderer.DLSyntax.WEDGE; import static org.semanticweb.owlapi.util.CollectionFactory.sortOptionally; import static org.semanticweb.owlapi.util.OWLAPIPreconditions.checkNotNull; import static org.semanticweb.owlapi.util.OWLAPIPreconditions.verifyNotNull; import static org.semanticweb.owlapi.util.OWLAPIStreamUtils.asList; import java.util.Collection; import java.util.Iterator; import java.util.List; import javax.annotation.Nullable; import org.semanticweb.owlapi.io.OWLObjectRenderer; import org.semanticweb.owlapi.model.IRI; import org.semanticweb.owlapi.model.IsAnonymous; import org.semanticweb.owlapi.model.OWLAsymmetricObjectPropertyAxiom; import org.semanticweb.owlapi.model.OWLCardinalityRestriction; import org.semanticweb.owlapi.model.OWLClass; import org.semanticweb.owlapi.model.OWLClassAssertionAxiom; import org.semanticweb.owlapi.model.OWLClassExpression; import org.semanticweb.owlapi.model.OWLDataAllValuesFrom; import org.semanticweb.owlapi.model.OWLDataComplementOf; import org.semanticweb.owlapi.model.OWLDataExactCardinality; import org.semanticweb.owlapi.model.OWLDataHasValue; import org.semanticweb.owlapi.model.OWLDataIntersectionOf; import org.semanticweb.owlapi.model.OWLDataMaxCardinality; import org.semanticweb.owlapi.model.OWLDataMinCardinality; import org.semanticweb.owlapi.model.OWLDataOneOf; import org.semanticweb.owlapi.model.OWLDataProperty; import org.semanticweb.owlapi.model.OWLDataPropertyAssertionAxiom; import org.semanticweb.owlapi.model.OWLDataPropertyDomainAxiom; import org.semanticweb.owlapi.model.OWLDataPropertyRangeAxiom; import org.semanticweb.owlapi.model.OWLDataSomeValuesFrom; import org.semanticweb.owlapi.model.OWLDataUnionOf; import org.semanticweb.owlapi.model.OWLDatatype; import org.semanticweb.owlapi.model.OWLDatatypeRestriction; import org.semanticweb.owlapi.model.OWLDifferentIndividualsAxiom; import org.semanticweb.owlapi.model.OWLDisjointClassesAxiom; import org.semanticweb.owlapi.model.OWLDisjointDataPropertiesAxiom; import org.semanticweb.owlapi.model.OWLDisjointObjectPropertiesAxiom; import org.semanticweb.owlapi.model.OWLDisjointUnionAxiom; import org.semanticweb.owlapi.model.OWLEntity; import org.semanticweb.owlapi.model.OWLEquivalentClassesAxiom; import org.semanticweb.owlapi.model.OWLEquivalentDataPropertiesAxiom; import org.semanticweb.owlapi.model.OWLEquivalentObjectPropertiesAxiom; import org.semanticweb.owlapi.model.OWLFacetRestriction; import org.semanticweb.owlapi.model.OWLFunctionalDataPropertyAxiom; import org.semanticweb.owlapi.model.OWLFunctionalObjectPropertyAxiom; import org.semanticweb.owlapi.model.OWLHasValueRestriction; import org.semanticweb.owlapi.model.OWLInverseFunctionalObjectPropertyAxiom; import org.semanticweb.owlapi.model.OWLInverseObjectPropertiesAxiom; import org.semanticweb.owlapi.model.OWLIrreflexiveObjectPropertyAxiom; import org.semanticweb.owlapi.model.OWLLiteral; import org.semanticweb.owlapi.model.OWLLogicalAxiom; import org.semanticweb.owlapi.model.OWLNamedIndividual; import org.semanticweb.owlapi.model.OWLNegativeDataPropertyAssertionAxiom; import org.semanticweb.owlapi.model.OWLNegativeObjectPropertyAssertionAxiom; import org.semanticweb.owlapi.model.OWLObject; import org.semanticweb.owlapi.model.OWLObjectAllValuesFrom; import org.semanticweb.owlapi.model.OWLObjectComplementOf; import org.semanticweb.owlapi.model.OWLObjectExactCardinality; import org.semanticweb.owlapi.model.OWLObjectHasSelf; import org.semanticweb.owlapi.model.OWLObjectHasValue; import org.semanticweb.owlapi.model.OWLObjectIntersectionOf; import org.semanticweb.owlapi.model.OWLObjectInverseOf; import org.semanticweb.owlapi.model.OWLObjectMaxCardinality; import org.semanticweb.owlapi.model.OWLObjectMinCardinality; import org.semanticweb.owlapi.model.OWLObjectOneOf; import org.semanticweb.owlapi.model.OWLObjectProperty; import org.semanticweb.owlapi.model.OWLObjectPropertyAssertionAxiom; import org.semanticweb.owlapi.model.OWLObjectPropertyDomainAxiom; import org.semanticweb.owlapi.model.OWLObjectPropertyRangeAxiom; import org.semanticweb.owlapi.model.OWLObjectSomeValuesFrom; import org.semanticweb.owlapi.model.OWLObjectUnionOf; import org.semanticweb.owlapi.model.OWLObjectVisitor; import org.semanticweb.owlapi.model.OWLOntology; import org.semanticweb.owlapi.model.OWLPropertyAssertionAxiom; import org.semanticweb.owlapi.model.OWLPropertyDomainAxiom; import org.semanticweb.owlapi.model.OWLPropertyExpression; import org.semanticweb.owlapi.model.OWLPropertyRange; import org.semanticweb.owlapi.model.OWLPropertyRangeAxiom; import org.semanticweb.owlapi.model.OWLQuantifiedRestriction; import org.semanticweb.owlapi.model.OWLReflexiveObjectPropertyAxiom; import org.semanticweb.owlapi.model.OWLSameIndividualAxiom; import org.semanticweb.owlapi.model.OWLSubClassOfAxiom; import org.semanticweb.owlapi.model.OWLSubDataPropertyOfAxiom; import org.semanticweb.owlapi.model.OWLSubObjectPropertyOfAxiom; import org.semanticweb.owlapi.model.OWLSubPropertyChainOfAxiom; import org.semanticweb.owlapi.model.OWLSymmetricObjectPropertyAxiom; import org.semanticweb.owlapi.model.OWLTransitiveObjectPropertyAxiom; import org.semanticweb.owlapi.model.PrefixManager; import org.semanticweb.owlapi.model.SWRLBuiltInAtom; import org.semanticweb.owlapi.model.SWRLClassAtom; import org.semanticweb.owlapi.model.SWRLDataPropertyAtom; import org.semanticweb.owlapi.model.SWRLDataRangeAtom; import org.semanticweb.owlapi.model.SWRLDifferentIndividualsAtom; import org.semanticweb.owlapi.model.SWRLIndividualArgument; import org.semanticweb.owlapi.model.SWRLLiteralArgument; import org.semanticweb.owlapi.model.SWRLObjectPropertyAtom; import org.semanticweb.owlapi.model.SWRLRule; import org.semanticweb.owlapi.model.SWRLSameIndividualAtom; import org.semanticweb.owlapi.model.SWRLVariable; import org.semanticweb.owlapi.util.IRIShortFormProvider; import org.semanticweb.owlapi.util.ShortFormProvider; import org.semanticweb.owlapi.util.SimpleIRIShortFormProvider; import org.semanticweb.owlapi.util.SimpleShortFormProvider; /** * Renders objects in unicode DL syntax. * * @author Matthew Horridge, The University Of Manchester, Bio-Health Informatics Group * @since 2.2.0 */ public class DLSyntaxObjectRenderer implements OWLObjectRenderer, OWLObjectVisitor { private final IRIShortFormProvider iriShortFormProvider = new SimpleIRIShortFormProvider(); private ShortFormProvider shortFormProvider = new SimpleShortFormProvider(); private StringBuilder buffer = new StringBuilder(); @Nullable private OWLObject focusedObject; protected static boolean isBracketedIfNested(OWLObject object) { checkNotNull(object, "object cannot be null"); return !(object instanceof OWLEntity); } /** * @param focusedObject focusedObject */ public void setFocusedObject(@Nullable OWLObject focusedObject) { this.focusedObject = focusedObject; } /** * @param obj obj * @return true if obj is equal to focusedObject */ public boolean isFocusedObject(OWLObject obj) { if (focusedObject == null) { return false; } return verifyNotNull(focusedObject).equals(obj); } @Override public void setPrefixManager(PrefixManager shortFormProvider) { this.shortFormProvider = checkNotNull(shortFormProvider, "shortFormProvider cannot be null"); } @Override public void setShortFormProvider(ShortFormProvider shortFormProvider) { this.shortFormProvider = checkNotNull(shortFormProvider, "shortFormProvider cannot be null"); } @Override public String render(OWLObject object) { buffer = new StringBuilder(); checkNotNull(object, "object cannot be null").accept(this); return buffer.toString(); } @Override public void visit(OWLOntology ontology) { checkNotNull(ontology, "ontology cannot be null"); sortOptionally(ontology.logicalAxioms()).forEach(this::println); } protected void println(OWLLogicalAxiom ax) { ax.accept(this); write("\n"); } protected void write(String s) { buffer.append(checkNotNull(s, "s cannot be null")); } protected void writeEntity(OWLEntity entity) { write(shortFormProvider.getShortForm(checkNotNull(entity, "entity cannot be null"))); } protected void write(DLSyntax keyword) { write(checkNotNull(keyword, "keyword cannot be null").toString()); } protected void write(int i) { write(Integer.toString(i)); } private void writeObject(OWLObject object, boolean nest) { checkNotNull(object, "object cannot be null"); if (nest) { roundedAnon(object); } else { object.accept(this); } } private void writeRestrictionSeparator() { write("."); } protected void write(Collection<? extends OWLObject> objects, DLSyntax delim, boolean nest) { checkNotNull(objects, "objects cannot be null"); checkNotNull(delim, "delim cannot be null"); if (objects.size() == 2) { Iterator<? extends OWLObject> it = objects.iterator(); OWLObject o1 = it.next(); OWLObject o2 = it.next(); if (isFocusedObject(o1) || !isFocusedObject(o2)) { writeObject(o1, nest); spaced(delim); writeObject(o2, nest); } else { writeObject(o2, nest); spaced(delim); writeObject(o1, nest); } } else { for (Iterator<? extends OWLObject> it = objects.iterator(); it.hasNext();) { writeObject(it.next(), nest); if (it.hasNext()) { spaced(delim); } } } } protected void spaced(DLSyntax delim) { writeSpace(); write(delim); writeSpace(); } protected void braced(DLSyntax delim) { write("{"); write(delim); write("}"); } protected void braced(OWLObject o) { write("{"); o.accept(this); write("}"); } @Override public void visit(OWLSubClassOfAxiom axiom) { checkNotNull(axiom, "axiom cannot be null"); axiom.getSubClass().accept(this); subClass(); axiom.getSuperClass().accept(this); } private void writePropertyAssertion(OWLPropertyAssertionAxiom<?, ?> ax) { checkNotNull(ax, "ax cannot be null"); if (ax instanceof OWLNegativeObjectPropertyAssertionAxiom || ax instanceof OWLNegativeDataPropertyAssertionAxiom) { write(NOT); } triplet(ax.getProperty(), ax.getSubject(), ax.getObject()); } protected void triplet(OWLObject a, OWLObject o1, OWLObject o2) { a.accept(this); write("("); o1.accept(this); write(", "); o2.accept(this); write(")"); } protected void triplet(String a, OWLObject o1, OWLObject o2) { write(a); write("("); o1.accept(this); write(", "); o2.accept(this); write(")"); } @Override public void visit(OWLNegativeObjectPropertyAssertionAxiom axiom) { write(NOT); writePropertyAssertion(axiom); } @Override public void visit(OWLReflexiveObjectPropertyAxiom axiom) { write(TOP); subClass(); existPropertySelf(axiom.getProperty()); } protected void subClass() { writeSpace(); write(SUBCLASS); writeSpace(); } @Override public void visit(OWLDisjointClassesAxiom axiom) { List<OWLClassExpression> descs = asList(axiom.classExpressions()); for (int i = 0; i < descs.size() - 1; i++) { for (int j = i + 1; j < descs.size(); j++) { descs.get(i).accept(this); writeSpace(); write(DISJOINT_WITH); writeSpace(); descs.get(j).accept(this); if (j < descs.size() - 1) { write(", "); } } if (i < descs.size() - 2) { write(", "); } } } @Override public void visit(OWLDataPropertyDomainAxiom axiom) { writeDomainAxiom(axiom); } @Override public void visit(OWLObjectPropertyDomainAxiom axiom) { writeDomainAxiom(axiom); } @Override public void visit(OWLEquivalentObjectPropertiesAxiom axiom) { write(asList(axiom.properties()), EQUIVALENT_TO, false); } @Override public void visit(OWLNegativeDataPropertyAssertionAxiom axiom) { write(NOT); writePropertyAssertion(axiom); } @Override public void visit(OWLDifferentIndividualsAxiom axiom) { write(asList(axiom.individuals()), NOT_EQUAL, false); } @Override public void visit(OWLDisjointDataPropertiesAxiom axiom) { write(asList(axiom.properties()), DISJOINT_WITH, false); } @Override public void visit(OWLDisjointObjectPropertiesAxiom axiom) { write(asList(axiom.properties()), DISJOINT_WITH, false); } @Override public void visit(OWLObjectPropertyRangeAxiom axiom) { writeRangeAxiom(axiom); } @Override public void visit(OWLObjectPropertyAssertionAxiom axiom) { writePropertyAssertion(axiom); } private void writeDomainAxiom(OWLPropertyDomainAxiom<?> axiom) { write(EXISTS); writeSpace(); axiom.getProperty().accept(this); writeRestrictionSeparator(); write(TOP); subClass(); roundedAnon(axiom.getDomain()); } private void writeRangeAxiom(OWLPropertyRangeAxiom<?, ?> axiom) { checkNotNull(axiom, "axiom cannot be null"); write(TOP); subClass(); write(FORALL); writeSpace(); axiom.getProperty().accept(this); writeRestrictionSeparator(); roundedAnon(axiom.getRange()); } private void writeFunctionalProperty(OWLPropertyExpression property) { checkNotNull(property, "property cannot be null"); write(TOP); subClass(); write(MAX); writeSpace(); write(1); writeSpace(); property.accept(this); } @Override public void visit(OWLFunctionalObjectPropertyAxiom axiom) { writeFunctionalProperty(axiom.getProperty()); } @Override public void visit(OWLSubObjectPropertyOfAxiom axiom) { axiom.getSubProperty().accept(this); subClass(); axiom.getSuperProperty().accept(this); } @Override public void visit(OWLDisjointUnionAxiom axiom) { axiom.getOWLClass().accept(this); write(EQUAL); write(asList(axiom.classExpressions()), OR, false); } @Override public void visit(OWLSymmetricObjectPropertyAxiom axiom) { equivalent(axiom.getProperty(), axiom.getProperty()); } private void writeSpace() { write(" "); } @Override public void visit(OWLDataPropertyRangeAxiom axiom) { writeRangeAxiom(axiom); } @Override public void visit(OWLFunctionalDataPropertyAxiom axiom) { writeFunctionalProperty(axiom.getProperty()); } @Override public void visit(OWLEquivalentDataPropertiesAxiom axiom) { write(asList(axiom.properties()), EQUIVALENT_TO, false); } @Override public void visit(OWLClassAssertionAxiom axiom) { roundedAnon(axiom.getClassExpression()); rounded(axiom.getIndividual()); } protected void rounded(OWLObject o) { write("("); o.accept(this); write(")"); } protected <T extends OWLObject & IsAnonymous> void roundedAnon(T o) { if (o.isAnonymous()) { rounded(o); } else { o.accept(this); } } @Override public void visit(OWLEquivalentClassesAxiom axiom) { write(asList(axiom.classExpressions()), EQUIVALENT_TO, false); } @Override public void visit(OWLDataPropertyAssertionAxiom axiom) { writePropertyAssertion(axiom); } @Override public void visit(OWLTransitiveObjectPropertyAxiom axiom) { axiom.getProperty().accept(this); writeSpace(); write(IN); writeSpace(); write("R"); write("\u207A"); } @Override public void visit(OWLIrreflexiveObjectPropertyAxiom axiom) { write(TOP); subClass(); write(NOT); existPropertySelf(axiom.getProperty()); } @Override public void visit(OWLAsymmetricObjectPropertyAxiom axiom) { axiom.getProperty().accept(this); writeSpace(); write(DISJOINT_WITH); writeSpace(); axiom.getProperty().accept(this); write(INVERSE); } @Override public void visit(OWLSubDataPropertyOfAxiom axiom) { axiom.getSubProperty().accept(this); subClass(); axiom.getSuperProperty().accept(this); } @Override public void visit(OWLInverseFunctionalObjectPropertyAxiom axiom) { write(TOP); subClass(); write(MAX); writeSpace(); write(1); writeSpace(); axiom.getProperty().accept(this); write(INVERSE); } @Override public void visit(OWLSameIndividualAxiom axiom) { write(asList(axiom.individuals()), EQUAL, false); } @Override public void visit(OWLSubPropertyChainOfAxiom axiom) { write(axiom.getPropertyChain(), COMP, false); subClass(); axiom.getSuperProperty().accept(this); } @Override public void visit(OWLInverseObjectPropertiesAxiom axiom) { OWLObject o1 = axiom.getFirstProperty(); OWLObject o2 = axiom.getSecondProperty(); OWLObject first; OWLObject second; if (isFocusedObject(o1) || !isFocusedObject(o2)) { first = o1; second = o2; } else { first = o2; second = o1; } equivalent(first, second); } private void equivalent(OWLObject first, OWLObject second) { first.accept(this); writeSpace(); write(EQUIVALENT_TO); writeSpace(); second.accept(this); write(INVERSE); } @Override public void visit(SWRLRule rule) { write(asList(rule.head()), WEDGE, false); writeSpace(); write(IMPLIES); writeSpace(); write(asList(rule.body()), WEDGE, false); } @Override public void visit(OWLClass ce) { if (ce.isOWLThing()) { write(TOP); } else if (ce.isOWLNothing()) { write(BOTTOM); } else { writeEntity(ce); } } @Override public void visit(OWLObjectIntersectionOf ce) { write(asList(ce.operands()), AND, true); } @Override public void visit(OWLObjectUnionOf ce) { write(asList(ce.operands()), OR, true); } @Override public void visit(OWLObjectComplementOf ce) { write(NOT); roundedAnon(ce.getOperand()); } private <T extends OWLPropertyRange> void writeCardinalityRestriction( OWLCardinalityRestriction<T> restriction, DLSyntax keyword) { write(keyword); writeSpace(); write(restriction.getCardinality()); writeSpace(); restriction.getProperty().accept(this); writeRestrictionSeparator(); roundedAnon(restriction.getFiller()); } private <T extends OWLPropertyRange> void writeQuantifiedRestriction( OWLQuantifiedRestriction<T> restriction, DLSyntax keyword) { write(keyword); writeSpace(); restriction.getProperty().accept(this); writeRestrictionSeparator(); roundedAnon(restriction.getFiller()); } private <V extends OWLObject> void writeValueRestriction(OWLHasValueRestriction<V> restriction, OWLPropertyExpression p) { write(EXISTS); writeSpace(); p.accept(this); writeRestrictionSeparator(); braced(restriction.getFiller()); } protected void existPropertySelf(OWLObject o) { write(EXISTS); writeSpace(); o.accept(this); writeRestrictionSeparator(); write(SELF); } @Override public void visit(OWLObjectSomeValuesFrom ce) { writeQuantifiedRestriction(ce, EXISTS); } @Override public void visit(OWLObjectAllValuesFrom ce) { writeQuantifiedRestriction(ce, FORALL); } @Override public void visit(OWLObjectHasValue ce) { writeValueRestriction(ce, ce.getProperty()); } @Override public void visit(OWLObjectMinCardinality ce) { writeCardinalityRestriction(ce, MIN); } @Override public void visit(OWLObjectExactCardinality ce) { writeCardinalityRestriction(ce, EQUAL); } @Override public void visit(OWLObjectMaxCardinality ce) { writeCardinalityRestriction(ce, MAX); } @Override public void visit(OWLObjectHasSelf ce) { existPropertySelf(ce.getProperty()); } @Override public void visit(OWLObjectOneOf ce) { iterate(ce.individuals().iterator()); } protected void iterate(Iterator<? extends OWLObject> it) { while (it.hasNext()) { spacedAndBraced(it); } } @Override public void visit(OWLDataSomeValuesFrom ce) { writeQuantifiedRestriction(ce, EXISTS); } @Override public void visit(OWLDataAllValuesFrom ce) { writeQuantifiedRestriction(ce, FORALL); } @Override public void visit(OWLDataHasValue ce) { writeValueRestriction(ce, ce.getProperty()); } @Override public void visit(OWLDataMinCardinality ce) { writeCardinalityRestriction(ce, MIN); } @Override public void visit(OWLDataExactCardinality ce) { writeCardinalityRestriction(ce, EQUAL); } @Override public void visit(OWLDataMaxCardinality ce) { writeCardinalityRestriction(ce, MAX); } @Override public void visit(OWLDatatype node) { writeEntity(node); } @Override public void visit(OWLDataComplementOf node) { write(NOT); node.getDataRange().accept(this); } @Override public void visit(OWLDataOneOf node) { iterate(node.values().iterator()); } protected void spacedAndBraced(Iterator<? extends OWLObject> it) { braced(it.next()); if (it.hasNext()) { spaced(OR); } } @Override public void visit(OWLDatatypeRestriction node) { // XXX complete } @Override public void visit(OWLLiteral node) { write(node.getLiteral()); } @Override public void visit(OWLFacetRestriction node) { // XXX complete } @Override public void visit(OWLObjectProperty property) { writeEntity(property); } @Override public void visit(OWLObjectInverseOf property) { property.getInverse().accept(this); write(INVERSE); } @Override public void visit(OWLDataProperty property) { writeEntity(property); } @Override public void visit(OWLNamedIndividual individual) { writeEntity(individual); } @Override public void visit(SWRLClassAtom node) { duet(node.getPredicate(), node.getArgument()); } protected void duet(OWLObject a, OWLObject o) { duet("", a, o); } protected void duet(String prefix, OWLObject a, OWLObject o) { write(prefix); a.accept(this); rounded(o); } @Override public void visit(SWRLDataRangeAtom node) { duet(node.getPredicate(), node.getArgument()); } @Override public void visit(SWRLObjectPropertyAtom node) { triplet(node.getPredicate(), node.getFirstArgument(), node.getSecondArgument()); } @Override public void visit(SWRLDataPropertyAtom node) { triplet(node.getPredicate(), node.getFirstArgument(), node.getSecondArgument()); } @Override public void visit(IRI iri) { write(iriShortFormProvider.getShortForm(iri)); } @Override public void visit(SWRLBuiltInAtom node) { node.getPredicate().accept(this); write("("); write(node.getArguments(), COMMA, true); write(")"); } @Override public void visit(SWRLVariable node) { write("?"); node.getIRI().accept(this); } @Override public void visit(SWRLIndividualArgument node) { node.getIndividual().accept(this); } @Override public void visit(SWRLLiteralArgument node) { node.getLiteral().accept(this); } @Override public void visit(SWRLSameIndividualAtom node) { triplet("sameAs", node.getFirstArgument(), node.getSecondArgument()); } @Override public void visit(SWRLDifferentIndividualsAtom node) { triplet("differentFrom", node.getFirstArgument(), node.getSecondArgument()); } @Override public void visit(OWLDataIntersectionOf node) { write(asList(node.operands()), AND, true); } @Override public void visit(OWLDataUnionOf node) { write(asList(node.operands()), OR, true); } }