1 /*
2  * Copyright (C) 2011 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 com.android.dex;
18 
19 import com.android.dex.util.Unsigned;
20 
21 public final class TypeList implements Comparable<TypeList> {
22 
23     public static final TypeList EMPTY = new TypeList(null, Dex.EMPTY_SHORT_ARRAY);
24 
25     private final Dex dex;
26     private final short[] types;
27 
TypeList(Dex dex, short[] types)28     public TypeList(Dex dex, short[] types) {
29         this.dex = dex;
30         this.types = types;
31     }
32 
getTypes()33     public short[] getTypes() {
34         return types;
35     }
36 
compareTo(TypeList other)37     @Override public int compareTo(TypeList other) {
38         for (int i = 0; i < types.length && i < other.types.length; i++) {
39             if (types[i] != other.types[i]) {
40                 return Unsigned.compare(types[i], other.types[i]);
41             }
42         }
43         return Unsigned.compare(types.length, other.types.length);
44     }
45 
toString()46     @Override public String toString() {
47         StringBuilder result = new StringBuilder();
48         result.append("(");
49         for (int i = 0, typesLength = types.length; i < typesLength; i++) {
50             result.append(dex != null ? dex.typeNames().get(types[i]) : types[i]);
51         }
52         result.append(")");
53         return result.toString();
54     }
55 }
56