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/*******************************************************************************
* Copyright (c) 2001, 2005 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.wst.dtd.core.internal.emf.util;
import org.eclipse.wst.dtd.core.internal.emf.DTDAttribute;
import org.eclipse.wst.dtd.core.internal.emf.DTDElement;
import org.eclipse.wst.dtd.core.internal.emf.DTDElementContent;
import org.eclipse.wst.dtd.core.internal.emf.DTDEntity;
import org.eclipse.wst.dtd.core.internal.emf.DTDNotation;
import org.eclipse.wst.dtd.core.internal.emf.DTDObject;
import org.eclipse.wst.dtd.core.internal.emf.DTDParameterEntityReference;
import org.eclipse.wst.dtd.core.internal.emf.DTDSourceOffset;
public class DTDObjectFinder extends DTDVisitor {
public class SourceOffset {
// Convenience class to find containment of object
private int start, end;
public SourceOffset(int start, int end) {
this.start = start;
this.end = end;
}
public boolean contains(SourceOffset other) {
if (this.start <= other.start && other.start <= this.end) {
return true;
} // end of if ()
return false;
}
}
SourceOffset searchLocation;
private SourceOffset offsetObjectFor(DTDSourceOffset s) {
return new SourceOffset(s.getStartOffset(), s.getEndOffset());
}
private void checkContainment(DTDObject o) {
if (offsetObjectFor((DTDSourceOffset) o).contains(searchLocation)) {
closestObject = o;
} // end of if ()
}
public DTDObjectFinder(int startOffset, int endOffset) {
searchLocation = new SourceOffset(startOffset, endOffset);
}
public void visitDTDNotation(DTDNotation notation) {
checkContainment(notation);
super.visitDTDNotation(notation);
}
public void visitDTDEntity(DTDEntity entity) {
checkContainment(entity);
super.visitDTDEntity(entity);
}
public void visitDTDElement(DTDElement element) {
checkContainment(element);
super.visitDTDElement(element);
}
public void visitDTDAttribute(DTDAttribute attribute) {
checkContainment(attribute);
super.visitDTDAttribute(attribute);
}
public void visitDTDParameterEntityReference(DTDParameterEntityReference parmEntity) {
checkContainment(parmEntity);
super.visitDTDParameterEntityReference(parmEntity);
}
public void visitDTDElementContent(DTDElementContent content) {
checkContainment(content);
super.visitDTDElementContent(content);
}
private DTDObject closestObject = null;
public DTDObject getClosestObject() {
return closestObject;
}
/**
* @generated
*/
protected SourceOffset offsetObjectForGen(DTDSourceOffset s) {
return new SourceOffset(s.getStartOffset(), s.getEndOffset());
}
/**
* @generated
*/
protected void checkContainmentGen(DTDObject o) {
if (offsetObjectFor((DTDSourceOffset) o).contains(searchLocation)) {
closestObject = o;
} // end of if ()
}
/**
* @generated
*/
protected void visitDTDNotationGen(DTDNotation notation) {
checkContainment(notation);
super.visitDTDNotation(notation);
}
/**
* @generated
*/
protected void visitDTDEntityGen(DTDEntity entity) {
checkContainment(entity);
super.visitDTDEntity(entity);
}
/**
* @generated
*/
protected void visitDTDElementGen(DTDElement element) {
checkContainment(element);
super.visitDTDElement(element);
}
/**
* @generated
*/
protected void visitDTDAttributeGen(DTDAttribute attribute) {
checkContainment(attribute);
super.visitDTDAttribute(attribute);
}
/**
* @generated
*/
protected void visitDTDParameterEntityReferenceGen(DTDParameterEntityReference parmEntity) {
checkContainment(parmEntity);
super.visitDTDParameterEntityReference(parmEntity);
}
/**
* @generated
*/
protected void visitDTDElementContentGen(DTDElementContent content) {
checkContainment(content);
super.visitDTDElementContent(content);
}
/**
* @generated
*/
protected DTDObject getClosestObjectGen() {
return closestObject;
}
}// DTDObjectFinder
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