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1
6
7 package com.yworks.yguard.obf.classfile;
8
9 import com.yworks.yguard.ParseException;
10 import java.io.DataInput  ;
11 import java.io.DataOutput ;
12 import java.io.IOException ;
13
14 public class ElementValueInfo
15 {
16 protected int u1Tag;
17 protected int u2cpIndex;
18
19 protected int u2typeNameIndex;
20 protected int u2constNameIndex;
21 protected AnnotationInfo nestedAnnotation;
22 protected ElementValueInfo[] arrayValues;
23
24 private ElementValueInfo()
25 {}
26
27 public static ElementValueInfo create(DataInput din) throws IOException
28 {
29 ElementValueInfo evp = new ElementValueInfo();
30 evp.read(din);
31 return evp;
32 }
33
34 protected void read(DataInput din) throws java.io.IOException
35 {
36 u1Tag = din.readUnsignedByte();
37 switch (u1Tag)
38 {
39 case 'B':
40 case 'C':
41 case 'D':
42 case 'F':
43 case 'I':
44 case 'J':
45 case 'S':
46 case 'Z':
47 case 's':
48 u2cpIndex = din.readUnsignedShort();
49 break;
50 case 'e':
51 u2typeNameIndex = din.readUnsignedShort();
52 u2constNameIndex = din.readUnsignedShort();
53 break;
54 case 'c':
55 u2cpIndex = din.readUnsignedShort();
56 break;
57 case '@':
58 nestedAnnotation = AnnotationInfo.create(din);
59 break;
60 case '[':
61 int count = din.readUnsignedShort();
62 arrayValues = new ElementValueInfo[count];
63 for (int i = 0; i < count; i++)
64 {
65 arrayValues[i] = ElementValueInfo.create(din);
66 }
67 break;
68 default:
69 throw new ParseException("Unkown tag type in ElementValuePair: " + u1Tag);
70 }
71 }
72
73 protected void markUtf8RefsInInfo(ConstantPool pool) {
74 switch (u1Tag)
75 {
76 case 'B':
77 case 'C':
78 case 'D':
79 case 'F':
80 case 'I':
81 case 'J':
82 case 'S':
83 case 'Z':
84 case 's':
85 pool.getCpEntry(u2cpIndex).incRefCount();
86 break;
87 case 'e':
88 pool.getCpEntry(u2typeNameIndex).incRefCount();
89 pool.getCpEntry(u2constNameIndex).incRefCount();
90 break;
91 case 'c':
92 pool.getCpEntry(u2cpIndex).incRefCount();
93 break;
94 case '@':
95 nestedAnnotation.markUtf8RefsInInfo(pool);
96 break;
97 case '[':
98 for (int i = 0; i < arrayValues.length; i++)
99 {
100 arrayValues[i].markUtf8RefsInInfo(pool);
101 }
102 break;
103 }
104 }
105
106
107 public void write(DataOutput dout) throws java.io.IOException
108 {
109 dout.writeByte(u1Tag);
110 switch (u1Tag)
111 {
112 case 'B':
113 case 'C':
114 case 'D':
115 case 'F':
116 case 'I':
117 case 'J':
118 case 'S':
119 case 'Z':
120 case 's':
121 dout.writeShort(u2cpIndex);
122 break;
123 case 'e':
124 dout.writeShort(u2typeNameIndex);
125 dout.writeShort(u2constNameIndex);
126 break;
127 case 'c':
128 dout.writeShort(u2cpIndex);
129 break;
130 case '@':
131 nestedAnnotation.write(dout);
132 break;
133 case '[':
134 int count = arrayValues.length;
135 dout.writeShort(count);
136 for (int i = 0; i < count; i++)
137 {
138 arrayValues[i].write(dout);
139 }
140 break;
141 }
142 }
143 }
144 |
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