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 ClassDefItem implements RawDexObject {
22  public static int data_size = 0x20;
23
24  public int classIdx;
25  public int accessFlags;
26  public int superclassIdx;
27  public Offset interfacesOff;
28  public int sourceFileIdx;
29  public Offset annotationsOff;
30  public Offset classDataOff;
31  public Offset staticValuesOff;
32
33  public static class MetaInfo {
34    public ClassDataItem classDataItem;
35  }
36
37  public MetaInfo meta = new MetaInfo();
38
39  @Override
40  public void read(DexRandomAccessFile file) throws IOException {
41    file.getOffsetTracker().getNewOffsettable(file, this);
42    classIdx = file.readUInt();
43    accessFlags = file.readUInt();
44    superclassIdx = file.readUInt();
45    interfacesOff = file.getOffsetTracker().getNewOffset(file.readUInt());
46    sourceFileIdx = file.readUInt();
47    annotationsOff = file.getOffsetTracker().getNewOffset(file.readUInt());
48    classDataOff = file.getOffsetTracker().getNewOffset(file.readUInt());
49    staticValuesOff = file.getOffsetTracker().getNewOffset(file.readUInt());
50  }
51
52  @Override
53  public void write(DexRandomAccessFile file) throws IOException {
54    file.getOffsetTracker().updatePositionOfNextOffsettable(file);
55    file.writeUInt(classIdx);
56    file.writeUInt(accessFlags);
57    file.writeUInt(superclassIdx);
58    file.getOffsetTracker().tryToWriteOffset(interfacesOff, file, false /* ULEB128 */);
59    file.writeUInt(sourceFileIdx);
60    file.getOffsetTracker().tryToWriteOffset(annotationsOff, file, false /* ULEB128 */);
61    file.getOffsetTracker().tryToWriteOffset(classDataOff, file, false /* ULEB128 */);
62    file.getOffsetTracker().tryToWriteOffset(staticValuesOff, file, false /* ULEB128 */);
63  }
64
65  @Override
66  public void incrementIndex(IndexUpdateKind kind, int insertedIdx) {
67    if (kind == IndexUpdateKind.TYPE_ID && classIdx >= insertedIdx) {
68      classIdx++;
69    }
70    if (kind == IndexUpdateKind.TYPE_ID && superclassIdx >= insertedIdx) {
71      superclassIdx++;
72    }
73    if (kind == IndexUpdateKind.STRING_ID && sourceFileIdx >= insertedIdx) {
74      sourceFileIdx++;
75    }
76  }
77}
78