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 ProtoId implements Comparable<ProtoId> {
22    private final Dex dex;
23    private final int shortyIndex;
24    private final int returnTypeIndex;
25    private final int parametersOffset;
26
27    public ProtoId(Dex dex, int shortyIndex, int returnTypeIndex, int parametersOffset) {
28        this.dex = dex;
29        this.shortyIndex = shortyIndex;
30        this.returnTypeIndex = returnTypeIndex;
31        this.parametersOffset = parametersOffset;
32    }
33
34    public int compareTo(ProtoId other) {
35        if (returnTypeIndex != other.returnTypeIndex) {
36            return Unsigned.compare(returnTypeIndex, other.returnTypeIndex);
37        }
38        return Unsigned.compare(parametersOffset, other.parametersOffset);
39    }
40
41    public int getShortyIndex() {
42        return shortyIndex;
43    }
44
45    public int getReturnTypeIndex() {
46        return returnTypeIndex;
47    }
48
49    public int getParametersOffset() {
50        return parametersOffset;
51    }
52
53    public void writeTo(Dex.Section out) {
54        out.writeInt(shortyIndex);
55        out.writeInt(returnTypeIndex);
56        out.writeInt(parametersOffset);
57    }
58
59    @Override public String toString() {
60        if (dex == null) {
61            return shortyIndex + " " + returnTypeIndex + " " + parametersOffset;
62        }
63
64        return dex.strings().get(shortyIndex)
65                + ": " + dex.typeNames().get(returnTypeIndex)
66                + " " + dex.readTypeList(parametersOffset);
67    }
68}
69