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Diffstat (limited to 'bundles/org.eclipse.wst.sse.core/src/org/eclipse/wst/sse/core/internal/text/TextRegionListImpl.java')
-rw-r--r--bundles/org.eclipse.wst.sse.core/src/org/eclipse/wst/sse/core/internal/text/TextRegionListImpl.java223
1 files changed, 0 insertions, 223 deletions
diff --git a/bundles/org.eclipse.wst.sse.core/src/org/eclipse/wst/sse/core/internal/text/TextRegionListImpl.java b/bundles/org.eclipse.wst.sse.core/src/org/eclipse/wst/sse/core/internal/text/TextRegionListImpl.java
deleted file mode 100644
index 000c24c97c..0000000000
--- a/bundles/org.eclipse.wst.sse.core/src/org/eclipse/wst/sse/core/internal/text/TextRegionListImpl.java
+++ /dev/null
@@ -1,223 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2001, 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
- * Jens Lukowski/Innoopract - initial renaming/restructuring
- *
- *******************************************************************************/
-package org.eclipse.wst.sse.core.internal.text;
-
-import java.util.Iterator;
-import java.util.NoSuchElementException;
-
-import org.eclipse.wst.sse.core.internal.provisional.text.ITextRegion;
-import org.eclipse.wst.sse.core.internal.provisional.text.ITextRegionList;
-
-
-public class TextRegionListImpl implements ITextRegionList {
-
- private class NullIterator implements Iterator {
- public NullIterator() {
- }
-
- public boolean hasNext() {
- return false;
- }
-
- public Object next() {
- throw new NoSuchElementException();
- }
-
- public void remove() {
- throw new UnsupportedOperationException("can not remove regions via iterator"); //$NON-NLS-1$
-
- }
-
- }
-
- private class RegionIterator implements Iterator {
- private ITextRegion[] fIteratorRegions;
- private int index = -1;
- private int maxindex = -1;
-
- public RegionIterator() {
- fIteratorRegions = toArray();
- maxindex = fIteratorRegions.length - 1;
- }
-
- public boolean hasNext() {
- return index < maxindex;
- }
-
- public Object next() {
- if (!(index < maxindex))
- throw new NoSuchElementException();
- return fIteratorRegions[++index];
- }
-
- public void remove() {
- throw new UnsupportedOperationException("can not remove regions via iterator"); //$NON-NLS-1$
-
- }
-
- }
-
- private final static int growthConstant = 2;
-
- private ITextRegion[] fRegions;
- private int fRegionsCount = 0;
-
- public TextRegionListImpl() {
- super();
- }
-
- public TextRegionListImpl(ITextRegionList regionList) {
- this();
- fRegions = (ITextRegion[]) regionList.toArray().clone();
- fRegionsCount = fRegions.length;
- }
-
- public boolean add(ITextRegion region) {
-
- if (region == null)
- return false;
- ensureCapacity(fRegionsCount + 1);
- fRegions[fRegionsCount++] = region;
- return true;
- }
-
- public boolean addAll(int insertPos, ITextRegionList newRegions) {
- // beginning of list is 0 to insertPos-1
- // remainder of list is insertPos to fRegionsCount
- // resulting total will be be fRegionsCount + newRegions.size()
- if (insertPos < 0 || insertPos > fRegionsCount) {
- throw new ArrayIndexOutOfBoundsException(insertPos);
- }
-
- int newRegionsSize = newRegions.size();
-
- ensureCapacity(fRegionsCount + newRegionsSize);
-
- int numMoved = fRegionsCount - insertPos;
- if (numMoved > 0)
- System.arraycopy(fRegions, insertPos, fRegions, insertPos + newRegionsSize, numMoved);
-
- for (int i = 0; i < newRegionsSize; i++)
- fRegions[insertPos++] = newRegions.get(i);
-
- fRegionsCount += newRegionsSize;
- return newRegionsSize != 0;
-
- }
-
- public void clear() {
- // note: size of array is not reduced!
- fRegionsCount = 0;
- }
-
- private void ensureCapacity(int needed) {
- if (fRegions == null) {
- // first time
- fRegions = new ITextRegion[needed];
- return;
- }
- int oldLength = fRegions.length;
- if (oldLength < needed) {
- ITextRegion[] oldAdapters = fRegions;
- ITextRegion[] newAdapters = new ITextRegion[needed + growthConstant];
- System.arraycopy(oldAdapters, 0, newAdapters, 0, fRegionsCount);
- fRegions = newAdapters;
- }
- }
-
- public ITextRegion get(int index) {
- if (index < 0 || index > fRegionsCount) {
- throw new ArrayIndexOutOfBoundsException(index);
- }
- ITextRegion result = fRegions[index];
- return result;
- }
-
- public int indexOf(ITextRegion region) {
-
- int result = -1;
- if (region != null) {
- if (fRegions != null) {
- for (int i = 0; i < fRegions.length; i++) {
- if (region.equals(fRegions[i])) {
- result = i;
- break;
- }
- }
- }
- }
- return result;
- }
-
- public boolean isEmpty() {
- return fRegionsCount == 0;
- }
-
- public Iterator iterator() {
- if (size() == 0) {
- return new NullIterator();
- } else {
- return new RegionIterator();
- }
- }
-
- public ITextRegion remove(int index) {
- // much more efficient ways to implement this, but
- // I doubt if called often
- ITextRegion oneToRemove = get(index);
- remove(oneToRemove);
- return oneToRemove;
- }
-
- public void remove(ITextRegion a) {
- if (fRegions == null || a == null)
- return;
- int newIndex = 0;
- ITextRegion[] newRegions = new ITextRegion[fRegionsCount];
- int oldRegionCount = fRegionsCount;
- boolean found = false;
- for (int oldIndex = 0; oldIndex < oldRegionCount; oldIndex++) {
- ITextRegion candidate = fRegions[oldIndex];
- if (a == candidate) {
- fRegionsCount--;
- found = true;
- } else
- newRegions[newIndex++] = fRegions[oldIndex];
- }
- if (found)
- fRegions = newRegions;
- }
-
- public void removeAll(ITextRegionList regionList) {
- // much more efficient ways to implement this, but
- // I doubt if called often
- if (regionList != null) {
- for (int i = 0; i < regionList.size(); i++) {
- this.remove(regionList.get(i));
- }
- }
-
- }
-
- public int size() {
- return fRegionsCount;
- }
-
- public ITextRegion[] toArray() {
- // return "clone" of internal array
- ITextRegion[] newArray = new ITextRegion[fRegionsCount];
- System.arraycopy(fRegions, 0, newArray, 0, fRegionsCount);
- return newArray;
- }
-
-}

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