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 EncodedCatchHandler implements RawDexObject {
22   public int size;
23   public EncodedTypeAddrPair[] handlers;
24   public int catchAllAddr;
25 
26   @Override
read(DexRandomAccessFile file)27   public void read(DexRandomAccessFile file) throws IOException {
28     size = file.readSleb128();
29     int absoluteSize = Math.abs(size);
30     if (absoluteSize > 0) {
31       handlers = new EncodedTypeAddrPair[absoluteSize];
32       for (int i = 0; i < Math.abs(size); i++) {
33         (handlers[i] = new EncodedTypeAddrPair()).read(file);
34       }
35     }
36     if (size <= 0) {
37       catchAllAddr = file.readUleb128();
38     }
39   }
40 
41   @Override
write(DexRandomAccessFile file)42   public void write(DexRandomAccessFile file) throws IOException {
43     file.writeSleb128(size);
44     if (handlers != null) {
45       for (EncodedTypeAddrPair encodedTypeAddrPair : handlers) {
46         encodedTypeAddrPair.write(file);
47       }
48     }
49     if (size <= 0) {
50       file.writeUleb128(catchAllAddr);
51     }
52   }
53 
54   @Override
incrementIndex(IndexUpdateKind kind, int insertedIdx)55   public void incrementIndex(IndexUpdateKind kind, int insertedIdx) {
56     if (handlers != null) {
57       for (EncodedTypeAddrPair handler : handlers) {
58         handler.incrementIndex(kind, insertedIdx);
59       }
60     }
61   }
62 }
63