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/*******************************************************************************
* Copyright (c) 2004 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.jst.jsp.core.internal.text;
import org.eclipse.jface.text.DocumentEvent;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.ITypedRegion;
import org.eclipse.wst.sse.core.internal.text.rules.IStructuredTypedRegion;
import org.eclipse.wst.sse.core.text.IStructuredDocumentRegion;
import org.eclipse.wst.sse.core.text.IStructuredTextPartitioner;
import org.eclipse.wst.sse.core.text.ITextRegion;
/**
* To be used when no known partitioner is available.
* Always returns the unknown type.
*/
public class NullStructuredDocumentPartitioner implements IStructuredTextPartitioner {
public class NullStructuredTypedRegion implements IStructuredTypedRegion {
private int fOffset;
private int fLength;
private String fType;
public void setType(String type) {
fType = type;
}
public void setLength(int length) {
fLength = length;
}
public void setOffset(int offset) {
fOffset = offset;
}
public String getType() {
return fType;
}
public int getLength() {
return fLength;
}
public int getOffset() {
return fOffset;
}
}
public final static String ST_UNKNOWN_PARTITION = "com.ibm.sse.UNKNOWN_PARTITION_TYPE"; //$NON-NLS-1$
private final String[] legalTypes = new String[]{ST_UNKNOWN_PARTITION};
public NullStructuredDocumentPartitioner() {
super();
}
public void connect(IDocument document) {
// nothing to do
}
public IStructuredTypedRegion createPartition(int offset, int length, String type) {
IStructuredTypedRegion result = new NullStructuredTypedRegion();
result.setOffset(offset);
result.setLength(length);
result.setType(type);
return result;
}
public void disconnect() {
// nothing to do
}
public String getDefaultPartitionType() {
return ST_UNKNOWN_PARTITION;
}
public String[] getLegalContentTypes() {
return legalTypes;
}
public String getPartitionType(ITextRegion region, int offset) {
return ST_UNKNOWN_PARTITION;
}
public String getPartitionTypeBetween(IStructuredDocumentRegion previousNode, IStructuredDocumentRegion nextNode) {
return ST_UNKNOWN_PARTITION;
}
public ITypedRegion[] computePartitioning(int offset, int length) {
ITypedRegion[] alwaysOne = new ITypedRegion[]{createPartition(offset, length, ST_UNKNOWN_PARTITION)};
return alwaysOne;
}
public void documentAboutToBeChanged(DocumentEvent event) {
}
public boolean documentChanged(DocumentEvent event) {
return false;
}
public String getContentType(int offset) {
return getDefaultPartitionType();
}
public ITypedRegion getPartition(int offset) {
return createPartition(offset, 1, getDefaultPartitionType());
}
}
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