| /******************************************************************************* |
| * Copyright (c) 2004, 2007 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.swt.tools.internal; |
| |
| import java.lang.reflect.Modifier; |
| import java.util.*; |
| |
| public class CleanupConstants extends CleanupClass { |
| |
| String getFieldValue(JNIField field) { |
| String name = field.getName(); |
| int index = 0; |
| while (true) { |
| index = classSource.indexOf(name, index + 1); |
| if (index == -1) return null; |
| int equalsIndex = classSource.indexOf("=", index); |
| if (classSource.substring(index + name.length(), equalsIndex).trim().length() == 0) { |
| int semiIndex = classSource.indexOf(";", equalsIndex); |
| return classSource.substring(equalsIndex + 1, semiIndex).trim(); |
| } |
| } |
| } |
| |
| public void generate(JNIClass clazz) { |
| unusedCount = usedCount = 0; |
| super.generate(clazz); |
| JNIField[] fields = clazz.getDeclaredFields(); |
| generate(fields); |
| output("used=" + usedCount + " unused=" + unusedCount + " total=" + (unusedCount + usedCount)); |
| } |
| |
| public void generate(JNIField[] fields) { |
| sort(fields); |
| for (int i = 0; i < fields.length; i++) { |
| JNIField field = fields[i]; |
| if ((field.getModifiers() & Modifier.FINAL) == 0) continue; |
| generate(field); |
| } |
| } |
| |
| public void generate(JNIField field) { |
| String name = field.getName(); |
| Enumeration keys = files.keys(); |
| while (keys.hasMoreElements()) { |
| Object key = keys.nextElement(); |
| String str = (String)files.get(key); |
| if (str.indexOf(name) != -1) { |
| int modifiers = field.getModifiers(); |
| String modifiersStr = Modifier.toString(modifiers); |
| output("\t"); |
| output(modifiersStr); |
| if (modifiersStr.length() > 0) output(" "); |
| output(field.getType().getTypeSignature3(false)); |
| output(" " ); |
| output(field.getName()); |
| output(" = "); |
| output(getFieldValue(field)); |
| outputln(";"); |
| usedCount++; |
| return; |
| } |
| } |
| unusedCount++; |
| //output("NOT USED=" + field.toString() + " \n"); |
| } |
| |
| public static void main(String[] args) { |
| if (args.length < 3) { |
| System.out.println("Usage: java CleanupConstants <OS className> <class source> <src path1> <src path2>"); |
| return; |
| } |
| try { |
| CleanupConstants gen = new CleanupConstants(); |
| String clazzName = args[0]; |
| String classSource = args[1]; |
| String[] sourcePath = new String[args.length - 2]; |
| System.arraycopy(args, 2, sourcePath, 0, sourcePath.length); |
| Class clazz = Class.forName(clazzName); |
| gen.setSourcePath(sourcePath); |
| gen.setClassSourcePath(classSource); |
| gen.generate(new ReflectClass(clazz)); |
| } catch (Exception e) { |
| System.out.println("Problem"); |
| e.printStackTrace(System.out); |
| } |
| } |
| |
| } |