StringIdItem.java revision cc3be5df1e6cf941ee3fab4a6f78a3c08922be59 
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.util.AnnotatedBytes;
36import org.jf.util.StringUtils;
37
38import javax.annotation.Nonnull;
39
40public class StringIdItem {
41    public static final int ITEM_SIZE = 4;
42
43    @Nonnull
44    public static SectionAnnotator getAnnotator() {
45        return new SectionAnnotator() {
46            @Nonnull @Override public String getItemName() {
47                return "string_id_item";
48            }
49
50            @Override protected void annotateItem(@Nonnull AnnotatedBytes out, @Nonnull RawDexFile dexFile,
51                                                  int itemIndex) {
52                int stringDataOffset = dexFile.readSmallUint(out.getCursor());
53                try {
54                    String stringValue = dexFile.getString(itemIndex);
55                    out.annotate(4, "string_data_item[0x%x]: \"%s\"", stringDataOffset,
56                            StringUtils.escapeString(stringValue));
57                    return;
58                } catch (Exception ex) {
59                    System.err.print("Error while resolving string value at index: ");
60                    System.err.print(itemIndex);
61                    ex.printStackTrace(System.err);
62                }
63
64                out.annotate(4, "string_id_item[0x%x]", stringDataOffset);
65            }
66        };
67    }
68
69    @Nonnull
70    public static String getReferenceAnnotation(@Nonnull DexBackedDexFile dexFile, int stringIndex) {
71        return getReferenceAnnotation(dexFile, stringIndex, false);
72
73    }
74
75    public static String getReferenceAnnotation(@Nonnull DexBackedDexFile dexFile, int stringIndex, boolean quote) {
76        try {
77            String string = dexFile.getString(stringIndex);
78            if (quote) {
79                string = String.format("\"%s\"", StringUtils.escapeString(string));
80            }
81            return String.format("string_id_item[%d]: %s", stringIndex, string);
82        } catch (Exception ex) {
83            ex.printStackTrace(System.err);
84        }
85        return String.format("string_id_item[%d]", stringIndex);
86    }
87}
88