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uk.ac.manchester.cs.owlapi.dlsyntax.DLSyntaxObjectRenderer Maven / Gradle / Ivy
/*
* This file is part of the OWL API.
*
* The contents of this file are subject to the LGPL License, Version 3.0.
*
* Copyright (C) 2011, 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.
*
* Copyright 2011, The University of Manchester
*
* 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 uk.ac.manchester.cs.owlapi.dlsyntax;
import static uk.ac.manchester.cs.owlapi.dlsyntax.DLSyntax.*;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import java.util.TreeSet;
import org.semanticweb.owlapi.io.OWLObjectRenderer;
import org.semanticweb.owlapi.model.*;
import org.semanticweb.owlapi.util.IRIShortFormProvider;
import org.semanticweb.owlapi.util.ShortFormProvider;
import org.semanticweb.owlapi.util.SimpleIRIShortFormProvider;
import org.semanticweb.owlapi.util.SimpleShortFormProvider;
/**
* Author: Matthew Horridge
* Renders objects in unicode DL syntax
*/
@SuppressWarnings("javadoc")
public class DLSyntaxObjectRenderer implements OWLObjectRenderer, OWLObjectVisitor {
private ShortFormProvider shortFormProvider;
private IRIShortFormProvider iriShortFormProvider;
private StringBuilder buffer;
private OWLObject focusedObject;
public DLSyntaxObjectRenderer() {
shortFormProvider = new SimpleShortFormProvider();
iriShortFormProvider = new SimpleIRIShortFormProvider();
buffer = new StringBuilder();
}
public void setFocusedObject(OWLObject focusedObject) {
this.focusedObject = focusedObject;
}
public boolean isFocusedObject(OWLObject obj) {
if (focusedObject == null) {
return false;
}
return focusedObject.equals(obj);
}
@Override
public void setShortFormProvider(ShortFormProvider shortFormProvider) {
this.shortFormProvider = shortFormProvider;
}
@Override
public String render(OWLObject object) {
buffer = new StringBuilder();
object.accept(this);
return buffer.toString();
}
@Override
public void visit(OWLOntology ontology) {
for (OWLAxiom ax : new TreeSet(ontology.getLogicalAxioms())) {
ax.accept(this);
write("\n");
}
}
protected void write(String s) {
buffer.append(s);
}
protected String renderEntity(OWLEntity entity) {
return shortFormProvider.getShortForm(entity);
}
protected void writeEntity(OWLEntity entity) {
write(renderEntity(entity));
}
protected void write(DLSyntax keyword) {
write(keyword.toString());
}
protected void write(int i) {
write(Integer.toString(i));
}
protected void writeNested(OWLObject object) {
if (isBracketedIfNested(object)) {
write("(");
}
object.accept(this);
if (isBracketedIfNested(object)) {
write(")");
}
}
protected boolean isBracketedIfNested(OWLObject object) {
// if(object instanceof OWLObjectComplementOf) {
// if(!((OWLObjectComplementOf) object).getOperand().isAnonymous()) {
// return false;
// }
// }
// return object instanceof OWLClassExpression && !((OWLClassExpression) object).isClassExpressionLiteral();
return !(object instanceof OWLEntity);
}
private void writeObject(OWLObject object, boolean nest) {
if (nest) {
writeNested(object);
} else {
object.accept(this);
}
}
protected void write(Collection objects, DLSyntax delim, boolean nest) {
if (objects.size() == 2) {
Iterator it = objects.iterator();
OWLObject o1 = it.next();
OWLObject o2 = it.next();
if (isFocusedObject(o1) || !isFocusedObject(o2)) {
writeObject(o1, nest);
writeSpace();
write(delim);
writeSpace();
writeObject(o2, nest);
} else {
writeObject(o2, nest);
writeSpace();
write(delim);
writeSpace();
writeObject(o1, nest);
}
} else {
for (Iterator it = objects.iterator(); it.hasNext();) {
OWLObject o = it.next();
writeObject(o, nest);
if (it.hasNext()) {
writeSpace();
write(delim);
writeSpace();
}
}
}
}
// protected void write(Collection objects, DLSyntax keyword, boolean nest) {
// write(objects, keyword, nest);
// }
@Override
public void visit(OWLSubClassOfAxiom axiom) {
axiom.getSubClass().accept(this);
writeSpace();
write(SUBCLASS);
writeSpace();
axiom.getSuperClass().accept(this);
}
private void writePropertyAssertion(OWLPropertyAssertionAxiom ax) {
if (ax instanceof OWLNegativeObjectPropertyAssertionAxiom || ax instanceof OWLNegativeDataPropertyAssertionAxiom) {
write(NOT);
}
ax.getProperty().accept(this);
write("(");
ax.getSubject().accept(this);
write(", ");
ax.getObject().accept(this);
write(")");
}
@Override
public void visit(OWLNegativeObjectPropertyAssertionAxiom axiom) {
write(NOT);
writePropertyAssertion(axiom);
}
@Override
public void visit(OWLAsymmetricObjectPropertyAxiom axiom) {
}
@Override
public void visit(OWLReflexiveObjectPropertyAxiom axiom) {
write(TOP);
writeSpace();
write(SUBCLASS);
writeSpace();
write(EXISTS);
writeSpace();
axiom.getProperty().accept(this);
write(" .");
write(SELF);
}
@Override
public void visit(OWLDisjointClassesAxiom axiom) {
List descs = new ArrayList(axiom.getClassExpressions());
for (int i = 0; i < descs.size(); 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(", ");
}
}
}
// write(axiom.getClassExpressions(), DISJOINT_WITH, true);
}
private void writeDomainAxiom(OWLPropertyDomainAxiom axiom) {
write(EXISTS);
writeSpace();
axiom.getProperty().accept(this);
writeRestrictionSeparator();
write(TOP);
writeSpace();
write(SUBCLASS);
writeSpace();
writeNested(axiom.getDomain());
}
private void writeRestrictionSeparator() {
write(".");
}
@Override
public void visit(OWLDataPropertyDomainAxiom axiom) {
writeDomainAxiom(axiom);
}
@Override
public void visit(OWLObjectPropertyDomainAxiom axiom) {
writeDomainAxiom(axiom);
}
@Override
public void visit(OWLEquivalentObjectPropertiesAxiom axiom) {
write(axiom.getProperties(), EQUIVALENT_TO, false);
}
@Override
public void visit(OWLNegativeDataPropertyAssertionAxiom axiom) {
write(NOT);
writePropertyAssertion(axiom);
}
@Override
public void visit(OWLDifferentIndividualsAxiom axiom) {
write(axiom.getIndividuals(), NOT_EQUAL, false);
}
@Override
public void visit(OWLDisjointDataPropertiesAxiom axiom) {
write(axiom.getProperties(), DISJOINT_WITH, false);
}
@Override
public void visit(OWLDisjointObjectPropertiesAxiom axiom) {
write(axiom.getProperties(), DISJOINT_WITH, false);
}
private void writeRangeAxiom(OWLPropertyRangeAxiom axiom) {
write(TOP);
writeSpace();
write(SUBCLASS);
writeSpace();
write(FORALL);
writeSpace();
axiom.getProperty().accept(this);
writeRestrictionSeparator();
writeNested(axiom.getRange());
}
@Override
public void visit(OWLObjectPropertyRangeAxiom axiom) {
writeRangeAxiom(axiom);
}
@Override
public void visit(OWLObjectPropertyAssertionAxiom axiom) {
writePropertyAssertion(axiom);
}
private void writeFunctionalProperty(OWLPropertyExpression property) {
write(TOP);
writeSpace();
write(SUBCLASS);
writeSpace();
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);
writeSpace();
write(SUBCLASS);
writeSpace();
axiom.getSuperProperty().accept(this);
}
@Override
public void visit(OWLDisjointUnionAxiom axiom) {
axiom.getOWLClass().accept(this);
write(EQUAL);
write(axiom.getClassExpressions(), OR, false);
}
@Override
public void visit(OWLDeclarationAxiom axiom) {
}
@Override
public void visit(OWLAnnotationAssertionAxiom axiom) {
}
@Override
public void visit(OWLSymmetricObjectPropertyAxiom axiom) {
axiom.getProperty().accept(this);
writeSpace();
write(EQUIVALENT_TO);
writeSpace();
axiom.getProperty().accept(this);
write(INVERSE);
}
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(axiom.getProperties(), EQUIVALENT_TO, false);
}
@Override
public void visit(OWLClassAssertionAxiom axiom) {
if(axiom.getClassExpression().isAnonymous()) {
write("(");
}
axiom.getClassExpression().accept(this);
if(axiom.getClassExpression().isAnonymous()) {
write(")");
}
write("(");
axiom.getIndividual().accept(this);
write(")");
}
@Override
public void visit(OWLEquivalentClassesAxiom axiom) {
write(axiom.getClassExpressions(), 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);
writeSpace();
write(SUBCLASS);
writeSpace();
write(NOT);
write(EXISTS);
writeSpace();
axiom.getProperty().accept(this);
write(" .");
write(SELF);
}
@Override
public void visit(OWLSubDataPropertyOfAxiom axiom) {
axiom.getSubProperty().accept(this);
write(SUBCLASS);
axiom.getSuperProperty().accept(this);
}
@Override
public void visit(OWLInverseFunctionalObjectPropertyAxiom axiom) {
write(TOP);
writeSpace();
write(SUBCLASS);
writeSpace();
write(MAX);
writeSpace();
write(1);
writeSpace();
axiom.getProperty().accept(this);
write(INVERSE);
}
@Override
public void visit(OWLSameIndividualAxiom axiom) {
write(axiom.getIndividuals(), EQUAL, false);
}
@Override
public void visit(OWLSubPropertyChainOfAxiom axiom) {
write(axiom.getPropertyChain(), COMP, false);
writeSpace();
write(SUBCLASS);
writeSpace();
axiom.getSuperProperty().accept(this);
}
@Override
public void visit(OWLInverseObjectPropertiesAxiom axiom) {
OWLObject o1 = axiom.getFirstProperty();
OWLObject o2 = axiom.getSecondProperty();
OWLObject first, second;
if (isFocusedObject(o1) || !isFocusedObject(o2)) {
first = o1;
second = o2;
} else {
first = o2;
second = o1;
}
first.accept(this);
writeSpace();
write(EQUIVALENT_TO);
writeSpace();
second.accept(this);
write(INVERSE);
}
@Override
public void visit(SWRLRule rule) {
write(rule.getHead(), WEDGE, false);
writeSpace();
write(IMPLIES);
writeSpace();
write(rule.getBody(), WEDGE, false);
}
@Override
public void visit(OWLClass desc) {
if (desc.isOWLThing()) {
write(TOP);
} else if (desc.isOWLNothing()) {
write(BOTTOM);
} else {
writeEntity(desc);
}
}
@Override
public void visit(OWLObjectIntersectionOf desc) {
write(desc.getOperands(), AND, true);
}
@Override
public void visit(OWLObjectUnionOf desc) {
write(desc.getOperands(), OR, true);
}
@Override
public void visit(OWLObjectComplementOf desc) {
write(NOT);
writeNested(desc.getOperand());
}
private void writeCardinalityRestriction(OWLDataCardinalityRestriction restriction, DLSyntax keyword) {
write(keyword);
writeSpace();
write(restriction.getCardinality());
writeSpace();
restriction.getProperty().accept(this);
// if (restriction.isQualified()) {
writeRestrictionSeparator();
writeNested(restriction.getFiller());
// }
}
private void writeCardinalityRestriction(OWLObjectCardinalityRestriction restriction, DLSyntax keyword) {
write(keyword);
writeSpace();
write(restriction.getCardinality());
writeSpace();
restriction.getProperty().accept(this);
// if (restriction.isQualified()) {
writeRestrictionSeparator();
writeNested(restriction.getFiller());
// }
}
private void writeQuantifiedRestriction(OWLQuantifiedDataRestriction restriction, DLSyntax keyword) {
write(keyword);
writeSpace();
restriction.getProperty().accept(this);
writeRestrictionSeparator();
writeNested(restriction.getFiller());
}
private void writeQuantifiedRestriction(OWLQuantifiedObjectRestriction restriction, DLSyntax keyword) {
write(keyword);
writeSpace();
restriction.getProperty().accept(this);
writeRestrictionSeparator();
writeNested(restriction.getFiller());
}
@Override
public void visit(OWLObjectSomeValuesFrom desc) {
writeQuantifiedRestriction(desc, EXISTS);
}
@Override
public void visit(OWLObjectAllValuesFrom desc) {
writeQuantifiedRestriction(desc, FORALL);
}
private , V extends OWLObject> void writeValueRestriction(OWLHasValueRestriction restriction) {
write(EXISTS);
writeSpace();
restriction.getProperty().accept(this);
writeRestrictionSeparator();
write("{");
restriction.getValue().accept(this);
write("}");
}
@Override
public void visit(OWLObjectHasValue desc) {
writeValueRestriction(desc);
}
@Override
public void visit(OWLObjectMinCardinality desc) {
writeCardinalityRestriction(desc, MIN);
}
@Override
public void visit(OWLObjectExactCardinality desc) {
writeCardinalityRestriction(desc, EQUAL);
}
@Override
public void visit(OWLObjectMaxCardinality desc) {
writeCardinalityRestriction(desc, MAX);
}
@Override
public void visit(OWLObjectHasSelf desc) {
write(EXISTS);
writeSpace();
desc.getProperty().accept(this);
write(" .");
write(SELF);
}
@Override
public void visit(OWLObjectOneOf desc) {
for (Iterator it = desc.getIndividuals().iterator(); it.hasNext();) {
write("{");
it.next().accept(this);
write("}");
if (it.hasNext()) {
write(" ");
write(OR);
write(" ");
}
}
}
@Override
public void visit(OWLDataSomeValuesFrom desc) {
writeQuantifiedRestriction(desc, EXISTS);
}
@Override
public void visit(OWLDataAllValuesFrom desc) {
writeQuantifiedRestriction(desc, FORALL);
}
@Override
public void visit(OWLDataHasValue desc) {
writeValueRestriction(desc);
}
@Override
public void visit(OWLDataMinCardinality desc) {
writeCardinalityRestriction(desc, MIN);
}
@Override
public void visit(OWLDataExactCardinality desc) {
writeCardinalityRestriction(desc, EQUAL);
}
@Override
public void visit(OWLDataMaxCardinality desc) {
writeCardinalityRestriction(desc, MAX);
}
@Override
public void visit(OWLDatatype node) {
write(shortFormProvider.getShortForm(node));
}
@Override
public void visit(OWLDataComplementOf node) {
write(NOT);
node.getDataRange().accept(this);
}
@Override
public void visit(OWLDataOneOf node) {
for (Iterator it = node.getValues().iterator(); it.hasNext();) {
write("{");
it.next().accept(this);
write("}");
if (it.hasNext()) {
write(OR);
}
}
}
@Override
public void visit(OWLDatatypeRestriction node) {
}
@Override
public void visit(OWLLiteral node) {
write(node.getLiteral());
}
@Override
public void visit(OWLFacetRestriction node) {
}
@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(OWLDatatypeDefinitionAxiom axiom) {
}
@Override
public void visit(OWLHasKeyAxiom axiom) {
}
@Override
public void visit(OWLAnnotationPropertyDomainAxiom axiom) {
}
@Override
public void visit(OWLAnnotationPropertyRangeAxiom axiom) {
}
@Override
public void visit(OWLSubAnnotationPropertyOfAxiom axiom) {
}
@Override
public void visit(OWLDataIntersectionOf node) {
}
@Override
public void visit(OWLDataUnionOf node) {
}
@Override
public void visit(OWLAnnotationProperty property) {
}
@Override
public void visit(OWLAnonymousIndividual individual) {
}
@Override
public void visit(IRI iri) {
}
@Override
public void visit(OWLAnnotation node) {
}
@Override
public void visit(SWRLClassAtom node) {
node.getPredicate().accept(this);
write("(");
node.getArgument().accept(this);
write(")");
}
@Override
public void visit(SWRLDataRangeAtom node) {
node.getPredicate().accept(this);
write("(");
node.getArgument().accept(this);
write(")");
}
@Override
public void visit(SWRLObjectPropertyAtom node) {
node.getPredicate().accept(this);
write("(");
node.getFirstArgument().accept(this);
write(", ");
node.getSecondArgument().accept(this);
write(")");
}
@Override
public void visit(SWRLDataPropertyAtom node) {
node.getPredicate().accept(this);
write("(");
node.getFirstArgument().accept(this);
write(", ");
node.getSecondArgument().accept(this);
write(")");
}
@Override
public void visit(SWRLBuiltInAtom node) {
write(node.getPredicate().toString());
write("(");
write(node.getArguments(), COMMA, true);
write(")");
}
@Override
public void visit(SWRLVariable node) {
write("?");
write(iriShortFormProvider.getShortForm(node.getIRI()));
}
@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) {
write("sameAs(");
node.getFirstArgument().accept(this);
write(", ");
node.getSecondArgument().accept(this);
write(")");
}
@Override
public void visit(SWRLDifferentIndividualsAtom node) {
write("differentFrom(");
node.getFirstArgument().accept(this);
write(", ");
node.getSecondArgument().accept(this);
write(")");
}
}
