removed Makefile; lifted repo/org.ibex.tool/src/ to src/

[org.ibex.tool.git] / src / org / eclipse / jdt / internal / compiler / util / ObjectVector.java

diff --git a/src/org/eclipse/jdt/internal/compiler/util/ObjectVector.java b/src/org/eclipse/jdt/internal/compiler/util/ObjectVector.java
new file mode 100644 (file)
index 0000000..50c93b0
--- /dev/null
+++ b/src/org/eclipse/jdt/internal/compiler/util/ObjectVector.java
@@ -0,0 +1,132 @@
+/*******************************************************************************
+ * 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;
+
+public final class ObjectVector {
+       
+       static int INITIAL_SIZE = 10;
+
+       public int size;
+       int maxSize;
+       Object[] elements;
+       
+       public ObjectVector() {
+
+               this.maxSize = INITIAL_SIZE;
+               this.size = 0;
+               this.elements = new Object[this.maxSize];
+       }
+
+       public void add(Object newElement) {
+
+               if (this.size == this.maxSize) // knows that size starts <= maxSize
+                       System.arraycopy(this.elements, 0, (this.elements = new Object[this.maxSize *= 2]), 0, this.size);
+               this.elements[this.size++] = newElement;
+       }
+
+       public void addAll(Object[] newElements) {
+
+               if (this.size + newElements.length >= this.maxSize) {
+                       maxSize = this.size + newElements.length; // assume no more elements will be added
+                       System.arraycopy(this.elements, 0, (this.elements = new Object[this.maxSize]), 0, this.size);
+               }
+               System.arraycopy(newElements, 0, this.elements, size, newElements.length);
+               this.size += newElements.length;
+       }
+
+       public void addAll(ObjectVector newVector) {
+
+               if (this.size + newVector.size >= this.maxSize) {
+                       maxSize = this.size + newVector.size; // assume no more elements will be added
+                       System.arraycopy(this.elements, 0, (this.elements = new Object[this.maxSize]), 0, this.size);
+               }
+               System.arraycopy(newVector.elements, 0, this.elements, size, newVector.size);
+               this.size += newVector.size;
+       }
+
+       /**
+        * Identity check
+        */
+       public boolean containsIdentical(Object element) {
+
+               for (int i = this.size; --i >= 0;)
+                       if (element == this.elements[i])
+                               return true;
+               return false;
+       }
+
+       /**
+        * Equality check
+        */
+       public boolean contains(Object element) {
+
+               for (int i = this.size; --i >= 0;)
+                       if (element.equals(this.elements[i]))
+                               return true;
+               return false;
+       }
+
+       public void copyInto(Object[] targetArray){
+               
+               this.copyInto(targetArray, 0);
+       }
+       
+       public void copyInto(Object[] targetArray, int index){
+               
+               System.arraycopy(this.elements, 0, targetArray, index, this.size);
+       }       
+       
+       public Object elementAt(int index) {
+
+               return this.elements[index];
+       }
+
+       public Object find(Object element) {
+
+               for (int i = this.size; --i >= 0;)
+                       if (element.equals(this.elements[i]))
+                               return element;
+               return null;
+       }
+
+       public Object remove(Object element) {
+
+               // assumes only one occurrence of the element exists
+               for (int i = this.size; --i >= 0;)
+                       if (element.equals(this.elements[i])) {
+                               // shift the remaining elements down one spot
+                               System.arraycopy(this.elements, i + 1, this.elements, i, --this.size - i);
+                               this.elements[this.size] = null;
+                               return element;
+                       }
+               return null;
+       }
+
+       public void removeAll() {
+               
+               for (int i = this.size; --i >= 0;)
+                       this.elements[i] = null;
+               this.size = 0;
+       }
+
+       public int size(){
+               
+               return this.size;
+       }
+       
+       public String toString() {
+               
+               String s = ""; //$NON-NLS-1$
+               for (int i = 0; i < this.size; i++)
+                       s += this.elements[i].toString() + "\n"; //$NON-NLS-1$
+               return s;
+       }
+}