| 1 | /******************************************************************************* |
|---|---|
| 2 | * Copyright (c) 2000, 2013 IBM Corporation and others. |
| 3 | * |
| 4 | * This program and the accompanying materials |
| 5 | * are made available under the terms of the Eclipse Public License 2.0 |
| 6 | * which accompanies this distribution, and is available at |
| 7 | * https://www.eclipse.org/legal/epl-2.0/ |
| 8 | * |
| 9 | * SPDX-License-Identifier: EPL-2.0 |
| 10 | * |
| 11 | * Contributors: |
| 12 | * IBM Corporation - initial API and implementation |
| 13 | *******************************************************************************/ |
| 14 | package org.eclipse.jdt.astview; |
| 15 | |
| 16 | import org.eclipse.jdt.core.dom.ASTNode; |
| 17 | import org.eclipse.jdt.core.dom.ASTVisitor; |
| 18 | import org.eclipse.jdt.core.dom.CompilationUnit; |
| 19 | |
| 20 | /** |
| 21 | * |
| 22 | */ |
| 23 | public class TreeInfoCollector { |
| 24 | |
| 25 | public static class NodeCounter extends ASTVisitor { |
| 26 | |
| 27 | public int numberOfNodes= 0; |
| 28 | |
| 29 | @Override |
| 30 | public void preVisit(ASTNode node) { |
| 31 | numberOfNodes++; |
| 32 | } |
| 33 | } |
| 34 | |
| 35 | |
| 36 | private final CompilationUnit fRoot; |
| 37 | |
| 38 | public TreeInfoCollector(CompilationUnit root) { |
| 39 | fRoot= root; |
| 40 | } |
| 41 | |
| 42 | public int getSize() { |
| 43 | return fRoot.subtreeBytes(); |
| 44 | } |
| 45 | |
| 46 | public int getNumberOfNodes() { |
| 47 | NodeCounter counter= new NodeCounter(); |
| 48 | fRoot.accept(counter); |
| 49 | return counter.numberOfNodes; |
| 50 | } |
| 51 | |
| 52 | |
| 53 | } |
| 54 |
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