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 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 read(DexRandomAccessFile file)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 write(DexRandomAccessFile file)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 incrementIndex(IndexUpdateKind kind, int insertedIdx)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