FieldIdItem.java revision 959ffdf65f280ee90b7944a8dd610564e7f99e69 
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
17package dexfuzz.rawdex;
18
19import java.io.IOException;
20
21public class FieldIdItem implements RawDexObject {
22  public short classIdx;
23  public short typeIdx;
24  public int nameIdx;
25
26  @Override
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
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
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