1959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle/* 2959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle * Copyright (C) 2014 The Android Open Source Project 3959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle * 4959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle * Licensed under the Apache License, Version 2.0 (the "License"); 5959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle * you may not use this file except in compliance with the License. 6959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle * You may obtain a copy of the License at 7959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle * 8959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle * http://www.apache.org/licenses/LICENSE-2.0 9959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle * 10959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle * Unless required by applicable law or agreed to in writing, software 11959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle * distributed under the License is distributed on an "AS IS" BASIS, 12959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle * See the License for the specific language governing permissions and 14959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle * limitations under the License. 15959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle */ 16959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle 17959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kylepackage dexfuzz.rawdex; 18959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle 19959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyleimport java.io.IOException; 20959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle 21959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kylepublic class FieldIdItem implements RawDexObject { 22959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle public short classIdx; 23959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle public short typeIdx; 24959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle public int nameIdx; 25959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle 26959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle @Override 27959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle public void read(DexRandomAccessFile file) throws IOException { 28959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle file.getOffsetTracker().getNewOffsettable(file, this); 29959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle classIdx = file.readUShort(); 30959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle typeIdx = file.readUShort(); 31959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle nameIdx = file.readUInt(); 32959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle } 33959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle 34959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle @Override 35959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle public void write(DexRandomAccessFile file) throws IOException { 36959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle file.getOffsetTracker().updatePositionOfNextOffsettable(file); 37959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle file.writeUShort(classIdx); 38959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle file.writeUShort(typeIdx); 39959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle file.writeUInt(nameIdx); 40959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle } 41959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle 42959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle @Override 43959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle public void incrementIndex(IndexUpdateKind kind, int insertedIdx) { 44959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle if (kind == IndexUpdateKind.TYPE_ID && classIdx >= insertedIdx) { 45959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle classIdx++; 46959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle } 47959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle if (kind == IndexUpdateKind.TYPE_ID && typeIdx >= insertedIdx) { 48959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle typeIdx++; 49959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle } 50959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle if (kind == IndexUpdateKind.STRING_ID && nameIdx >= insertedIdx) { 51959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle nameIdx++; 52959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle } 53959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle } 54959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle} 55