1 /*
2  * Copyright (C) 2014 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package dexfuzz.rawdex;
18 
19 import java.io.IOException;
20 
21 public class FieldIdItem implements RawDexObject {
22   public short classIdx;
23   public short typeIdx;
24   public int nameIdx;
25 
26   @Override
read(DexRandomAccessFile file)27   public void read(DexRandomAccessFile file) throws IOException {
28     file.getOffsetTracker().getNewOffsettable(file, this);
29     classIdx = file.readUShort();
30     typeIdx = file.readUShort();
31     nameIdx = file.readUInt();
32   }
33 
34   @Override
write(DexRandomAccessFile file)35   public void write(DexRandomAccessFile file) throws IOException {
36     file.getOffsetTracker().updatePositionOfNextOffsettable(file);
37     file.writeUShort(classIdx);
38     file.writeUShort(typeIdx);
39     file.writeUInt(nameIdx);
40   }
41 
42   @Override
incrementIndex(IndexUpdateKind kind, int insertedIdx)43   public void incrementIndex(IndexUpdateKind kind, int insertedIdx) {
44     if (kind == IndexUpdateKind.TYPE_ID && classIdx >= insertedIdx) {
45       classIdx++;
46     }
47     if (kind == IndexUpdateKind.TYPE_ID && typeIdx >= insertedIdx) {
48       typeIdx++;
49     }
50     if (kind == IndexUpdateKind.STRING_ID && nameIdx >= insertedIdx) {
51       nameIdx++;
52     }
53   }
54 }
55