totally new file layout
[org.ibex.tool.git] / src / org / eclipse / jdt / internal / compiler / util / HashtableOfPackage.java
diff --git a/src/org/eclipse/jdt/internal/compiler/util/HashtableOfPackage.java b/src/org/eclipse/jdt/internal/compiler/util/HashtableOfPackage.java
deleted file mode 100644 (file)
index 3fd642a..0000000
+++ /dev/null
@@ -1,96 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2000, 2004 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 Corporation - initial API and implementation
- *******************************************************************************/
-package org.eclipse.jdt.internal.compiler.util;
-
-import org.eclipse.jdt.core.compiler.CharOperation;
-import org.eclipse.jdt.internal.compiler.lookup.PackageBinding;
-
-public final class HashtableOfPackage {
-       // to avoid using Enumerations, walk the individual tables skipping nulls
-       public char[] keyTable[];
-       public PackageBinding valueTable[];
-
-       public int elementSize; // number of elements in the table
-       int threshold;
-public HashtableOfPackage() {
-       this(3); // usually not very large
-}
-public HashtableOfPackage(int size) {
-       this.elementSize = 0;
-       this.threshold = size; // size represents the expected number of elements
-       int extraRoom = (int) (size * 1.75f);
-       if (this.threshold == extraRoom)
-               extraRoom++;
-       this.keyTable = new char[extraRoom][];
-       this.valueTable = new PackageBinding[extraRoom];
-}
-public boolean containsKey(char[] key) {
-       int index = CharOperation.hashCode(key) % valueTable.length;
-       int keyLength = key.length;
-       char[] currentKey;
-       while ((currentKey = keyTable[index]) != null) {
-               if (currentKey.length == keyLength && CharOperation.equals(currentKey, key))
-                       return true;
-               index = (index + 1) % keyTable.length;
-       }
-       return false;
-}
-public PackageBinding get(char[] key) {
-       int index = CharOperation.hashCode(key) % valueTable.length;
-       int keyLength = key.length;
-       char[] currentKey;
-       while ((currentKey = keyTable[index]) != null) {
-               if (currentKey.length == keyLength && CharOperation.equals(currentKey, key))
-                       return valueTable[index];
-               index = (index + 1) % keyTable.length;
-       }
-       return null;
-}
-public PackageBinding put(char[] key, PackageBinding value) {
-       int index = CharOperation.hashCode(key) % valueTable.length;
-       int keyLength = key.length;
-       char[] currentKey;
-       while ((currentKey = keyTable[index]) != null) {
-               if (currentKey.length == keyLength && CharOperation.equals(currentKey, key))
-                       return valueTable[index] = value;
-               index = (index + 1) % keyTable.length;
-       }
-       keyTable[index] = key;
-       valueTable[index] = value;
-
-       // assumes the threshold is never equal to the size of the table
-       if (++elementSize > threshold)
-               rehash();
-       return value;
-}
-private void rehash() {
-       HashtableOfPackage newHashtable = new HashtableOfPackage(elementSize * 2); // double the number of expected elements
-       char[] currentKey;
-       for (int i = keyTable.length; --i >= 0;)
-               if ((currentKey = keyTable[i]) != null)
-                       newHashtable.put(currentKey, valueTable[i]);
-
-       this.keyTable = newHashtable.keyTable;
-       this.valueTable = newHashtable.valueTable;
-       this.threshold = newHashtable.threshold;
-}
-public int size() {
-       return elementSize;
-}
-public String toString() {
-       String s = ""; //$NON-NLS-1$
-       PackageBinding pkg;
-       for (int i = 0, length = valueTable.length; i < length; i++)
-               if ((pkg = valueTable[i]) != null)
-                       s += pkg.toString() + "\n"; //$NON-NLS-1$
-       return s;
-}
-}