1/*
2 * Copyright 2013, Google Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met:
8 *
9 *     * Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *     * Redistributions in binary form must reproduce the above
12 * copyright notice, this list of conditions and the following disclaimer
13 * in the documentation and/or other materials provided with the
14 * distribution.
15 *     * Neither the name of Google Inc. nor the names of its
16 * contributors may be used to endorse or promote products derived from
17 * this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32package org.jf.dexlib2.dexbacked.raw;
33
34import org.jf.dexlib2.dexbacked.DexBackedDexFile;
35import org.jf.dexlib2.dexbacked.raw.util.DexAnnotator;
36import org.jf.dexlib2.util.AnnotatedBytes;
37
38import javax.annotation.Nonnull;
39import javax.annotation.Nullable;
40
41public class TypeIdItem {
42    public static final int ITEM_SIZE = 4;
43
44    @Nonnull
45    public static SectionAnnotator makeAnnotator(@Nonnull DexAnnotator annotator, @Nonnull MapItem mapItem) {
46        return new SectionAnnotator(annotator, mapItem) {
47            @Nonnull @Override public String getItemName() {
48                return "type_id_item";
49            }
50
51            @Override
52            protected void annotateItem(@Nonnull AnnotatedBytes out, int itemIndex, @Nullable String itemIdentity) {
53                int stringIndex = dexFile.readSmallUint(out.getCursor());
54                out.annotate(4, StringIdItem.getReferenceAnnotation(dexFile, stringIndex));
55            }
56        };
57    }
58
59    @Nonnull
60    public static String getReferenceAnnotation(@Nonnull DexBackedDexFile dexFile, int typeIndex) {
61        try {
62            String typeString = dexFile.getType(typeIndex);
63            return String.format("type_id_item[%d]: %s", typeIndex, typeString);
64        } catch (Exception ex) {
65            ex.printStackTrace(System.err);
66        }
67        return String.format("type_id_item[%d]", typeIndex);
68    }
69
70    @Nonnull
71    public static String getOptionalReferenceAnnotation(@Nonnull DexBackedDexFile dexFile, int typeIndex) {
72        if (typeIndex == -1) {
73            return "type_id_item[NO_INDEX]";
74        }
75        return getReferenceAnnotation(dexFile, typeIndex);
76    }
77
78    public static String[] getTypes(@Nonnull RawDexFile dexFile) {
79        MapItem mapItem = dexFile.getMapItemForSection(ItemType.TYPE_ID_ITEM);
80        if (mapItem == null) {
81            return new String[0];
82        }
83
84        int typeCount = mapItem.getItemCount();
85        String[] ret = new String[typeCount];
86        for (int i=0; i<typeCount; i++) {
87            ret[i] = dexFile.getType(i);
88        }
89        return ret;
90    }
91}
92