| /******************************************************************************* |
| * Copyright (c) 2000, 2009 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.jdt.internal.compiler.util; |
| |
| import org.eclipse.jdt.core.compiler.CharOperation; |
| |
| public final class CompoundNameVector { |
| static int INITIAL_SIZE = 10; |
| |
| public int size; |
| int maxSize; |
| char[][][] elements; |
| public CompoundNameVector() { |
| this.maxSize = INITIAL_SIZE; |
| this.size = 0; |
| this.elements = new char[this.maxSize][][]; |
| } |
| public void add(char[][] newElement) { |
| if (this.size == this.maxSize) // knows that size starts <= maxSize |
| System.arraycopy(this.elements, 0, (this.elements = new char[this.maxSize *= 2][][]), 0, this.size); |
| this.elements[this.size++] = newElement; |
| } |
| public void addAll(char[][][] newElements) { |
| if (this.size + newElements.length >= this.maxSize) { |
| this.maxSize = this.size + newElements.length; // assume no more elements will be added |
| System.arraycopy(this.elements, 0, (this.elements = new char[this.maxSize][][]), 0, this.size); |
| } |
| System.arraycopy(newElements, 0, this.elements, this.size, newElements.length); |
| this.size += newElements.length; |
| } |
| public boolean contains(char[][] element) { |
| for (int i = this.size; --i >= 0;) |
| if (CharOperation.equals(element, this.elements[i])) |
| return true; |
| return false; |
| } |
| public char[][] elementAt(int index) { |
| return this.elements[index]; |
| } |
| public char[][] remove(char[][] element) { |
| // assumes only one occurrence of the element exists |
| for (int i = this.size; --i >= 0;) |
| if (element == 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 String toString() { |
| StringBuffer buffer = new StringBuffer(); |
| for (int i = 0; i < this.size; i++) { |
| buffer.append(CharOperation.toString(this.elements[i])).append("\n"); //$NON-NLS-1$ |
| } |
| return buffer.toString(); |
| } |
| } |