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
17package com.android.dex;
18
19import com.android.dex.util.Unsigned;
20
21public 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
28    public TypeList(Dex dex, short[] types) {
29        this.dex = dex;
30        this.types = types;
31    }
32
33    public short[] getTypes() {
34        return types;
35    }
36
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
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