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1
11 package org.eclipse.swt.tools.internal;
12
13 import java.lang.reflect.*;
14 import java.util.*;
15
16 public class CleanupConstants extends CleanupClass {
17
18 String  getFieldValue(Field field) {
19 String name = field.getName();
20 int index = 0;
21 while (true) {
22 index = classSource.indexOf(name, index + 1);
23 if (index == -1) return null;
24 int equalsIndex = classSource.indexOf("=", index);
25 if (classSource.substring(index + name.length(), equalsIndex).trim().length() == 0) {
26 int semiIndex = classSource.indexOf(";", equalsIndex);
27 return classSource.substring(equalsIndex + 1, semiIndex).trim();
28 }
29 }
30 }
31
32 public void generate(Class clazz) {
33 unusedCount = usedCount = 0;
34 super.generate(clazz);
35 Field[] fields = clazz.getDeclaredFields();
36 generate(fields);
37 output("used=" + usedCount + " unused=" + unusedCount + " total=" + (unusedCount + usedCount));
38 }
39
40 public void generate(Field[] fields) {
41 sort(fields);
42 for (int i = 0; i < fields.length; i++) {
43 Field field = fields[i];
44 if ((field.getModifiers() & Modifier.FINAL) == 0) continue;
45 generate(field);
46 }
47 }
48
49 public void generate(Field field) {
50 String name = field.getName();
51 Enumeration keys = files.keys();
52 while (keys.hasMoreElements()) {
53 Object key = keys.nextElement();
54 String str = (String )files.get(key);
55 if (str.indexOf(name) != -1) {
56 int modifiers = field.getModifiers();
57 String modifiersStr = Modifier.toString(modifiers);
58 output("\t");
59 output(modifiersStr);
60 if (modifiersStr.length() > 0) output(" ");
61 output(getTypeSignature3(field.getType()));
62 output(" " );
63 output(field.getName());
64 output(" = ");
65 output(getFieldValue(field));
66 outputln(";");
67 usedCount++;
68 return;
69 }
70 }
71 unusedCount++;
72 }
74
75 public static void main(String [] args) {
76 if (args.length < 2) {
77 System.out.println("Usage: java CleanupConstants <OS className> <src path> <class source>");
78 return;
79 }
80 try {
81 CleanupConstants gen = new CleanupConstants();
82 String clazzName = args[0];
83 String [] sourcePath = new String []{args[1]};
84 String classSource = args[2];
85 Class clazz = Class.forName(clazzName);
86 gen.setSourcePath(sourcePath);
87 gen.setClassSourcePath(classSource);
88 gen.generate(clazz);
89 } catch (Exception e) {
90 System.out.println("Problem");
91 e.printStackTrace(System.out);
92 }
93 }
94
95 }
96 |
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