001 /*******************************************************************************
002 * Copyright (c) 2009 Progress Software, Inc.
003 * Copyright (c) 2004, 2007 IBM Corporation and others.
004 *
005 * All rights reserved. This program and the accompanying materials
006 * are made available under the terms of the Eclipse Public License v1.0
007 * which accompanies this distribution, and is available at
008 * http://www.eclipse.org/legal/epl-v10.html
009 *
010 *******************************************************************************/
011 package org.fusesource.hawtjni.generator;
012
013 import java.lang.reflect.Modifier;
014 import java.util.Collection;
015 import java.util.List;
016
017 import org.fusesource.hawtjni.generator.model.JNIClass;
018 import org.fusesource.hawtjni.generator.model.JNIField;
019 import org.fusesource.hawtjni.generator.model.ReflectClass;
020
021 /**
022 *
023 * @author <a href="http://hiramchirino.com">Hiram Chirino</a>
024 */
025 public class CleanupConstants extends CleanupClass {
026
027 String getFieldValue(JNIField field) {
028 String name = field.getName();
029 int index = 0;
030 while (true) {
031 index = classSource.indexOf(name, index + 1);
032 if (index == -1)
033 return null;
034 int equalsIndex = classSource.indexOf("=", index);
035 if (classSource.substring(index + name.length(), equalsIndex).trim().length() == 0) {
036 int semiIndex = classSource.indexOf(";", equalsIndex);
037 return classSource.substring(equalsIndex + 1, semiIndex).trim();
038 }
039 }
040 }
041
042 public void generate(JNIClass clazz) {
043 unusedCount = usedCount = 0;
044 super.generate(clazz);
045 List<JNIField> fields = clazz.getDeclaredFields();
046 generate(fields);
047 output("used=" + usedCount + " unused=" + unusedCount + " total=" + (unusedCount + usedCount));
048 }
049
050 public void generate(List<JNIField> fields) {
051 sortFields(fields);
052 for (JNIField field : fields) {
053 if ((field.getModifiers() & Modifier.FINAL) == 0)
054 continue;
055 generate(field);
056 }
057 }
058
059 public void generate(JNIField field) {
060 String name = field.getName();
061 Collection<String> values = files.values();
062 for (String str : values) {
063 if (str.indexOf(name) != -1) {
064 int modifiers = field.getModifiers();
065 String modifiersStr = Modifier.toString(modifiers);
066 output("\t");
067 output(modifiersStr);
068 if (modifiersStr.length() > 0)
069 output(" ");
070 output(field.getType().getTypeSignature3(false));
071 output(" ");
072 output(field.getName());
073 output(" = ");
074 output(getFieldValue(field));
075 outputln(";");
076 usedCount++;
077 return;
078 }
079 }
080 unusedCount++;
081 // output("NOT USED=" + field.toString() + " \n");
082 }
083
084 public static void main(String[] args) {
085 if (args.length < 3) {
086 System.out.println("Usage: java CleanupConstants <OS className> <class source> <src path1> <src path2>");
087 return;
088 }
089 try {
090 CleanupConstants gen = new CleanupConstants();
091 String clazzName = args[0];
092 String classSource = args[1];
093 String[] sourcePath = new String[args.length - 2];
094 System.arraycopy(args, 2, sourcePath, 0, sourcePath.length);
095 Class<?> clazz = Class.forName(clazzName);
096 gen.setSourcePath(sourcePath);
097 gen.setClassSourcePath(classSource);
098 gen.generate(new ReflectClass(clazz));
099 } catch (Exception e) {
100 System.out.println("Problem");
101 e.printStackTrace(System.out);
102 }
103 }
104
105 }