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      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 MethodIdItem implements RawDexObject {
     22   public short classIdx;
     23   public short protoIdx;
     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     protoIdx = 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(protoIdx);
     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.PROTO_ID && protoIdx >= insertedIdx) {
     48       protoIdx++;
     49     }
     50     if (kind == IndexUpdateKind.STRING_ID && nameIdx >= insertedIdx) {
     51       nameIdx++;
     52     }
     53   }
     54 }
     55