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/*
* Copyright (c) 2002 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* IBM - Initial API and implementation
* Jens Lukowski/Innoopract - initial renaming/restructuring
*
*/
package org.eclipse.wst.sse.core.internal.text;
import java.util.Vector;
import org.eclipse.wst.sse.core.text.IStructuredDocument;
import org.eclipse.wst.sse.core.text.IStructuredDocumentRegion;
import org.eclipse.wst.sse.core.text.IStructuredDocumentRegionList;
import org.eclipse.wst.sse.core.util.Assert;
public class StructuredDocumentRegionIterator {
/**
*
*/
private StructuredDocumentRegionIterator() {
}
public final static IStructuredDocumentRegion adjustStart(IStructuredDocumentRegion headNode, int adjustment) {
IStructuredDocumentRegion aNode = headNode;
while (aNode != null) {
aNode.adjustStart(adjustment);
aNode = aNode.getNext();
}
return headNode;
}
public final static int countRegions(IStructuredDocumentRegionList flatNodes) {
int result = 0;
if (flatNodes != null) {
int length = flatNodes.getLength();
for (int i = 0; i < length; i++) {
IStructuredDocumentRegion node = flatNodes.item(i);
// don't know why, but we're getting null pointer exceptions in this method
if (node != null) {
result = result + node.getNumberOfRegions();
}
}
}
return result;
}
public final static String getText(CoreNodeList flatNodes) {
String result = null;
if (flatNodes == null) {
result = ""; //$NON-NLS-1$
}
else {
StringBuffer buff = new StringBuffer();
//IStructuredDocumentRegion aNode = null;
int length = flatNodes.getLength();
for (int i = 0; i < length; i++) {
buff.append(flatNodes.item(i).getText());
}
result = buff.toString();
}
return result;
}
// public final static IStructuredDocumentRegion setStructuredDocument(IStructuredDocumentRegion headNode, BasicStructuredDocument structuredDocument) {
// IStructuredDocumentRegion aNode = headNode;
// while (aNode != null) {
// aNode.setParentDocument(structuredDocument);
// aNode = (IStructuredDocumentRegion) aNode.getNext();
// }
// return headNode;
// }
public final static IStructuredDocumentRegion setParentDocument(IStructuredDocumentRegion headNode, IStructuredDocument document) {
IStructuredDocumentRegion aNode = headNode;
while (aNode != null) {
aNode.setParentDocument(document);
aNode = aNode.getNext();
}
return headNode;
}
public final static CoreNodeList setParentDocument(CoreNodeList nodelist, IStructuredDocument textStore) {
Assert.isNotNull(nodelist, "nodelist was null in CoreNodeList::setTextStore(CoreNodeList, StructuredTextStore)"); //$NON-NLS-1$
int len = nodelist.getLength();
for (int i = 0; i < len; i++) {
IStructuredDocumentRegion node = nodelist.item(i);
//Assert.isNotNull(node, "who's putting null in the node list? in CoreNodeList::setTextStore(CoreNodeList, StructuredTextStore)"); //$NON-NLS-1$
node.setParentDocument(textStore);
}
return nodelist;
}
public final static Vector toVector(IStructuredDocumentRegion headNode) {
IStructuredDocumentRegion aNode = headNode;
Vector v = new Vector();
while (aNode != null) {
v.addElement(aNode);
aNode = aNode.getNext();
}
return v;
}
}
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