StringIdItem.java revision 373ff22ec69bb6e93646994347b6d80502be1588 
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    public static Section getSection() {
44        return new Section() {
45            @Override
46            public void annotateSection(@Nonnull AnnotatedBytes out, @Nonnull DexBackedDexFile dexFile, int length) {
47                int startOffset = out.getCursor();
48                if (length > 0) {
49                    out.annotate(0, "-----------------------------");
50                    out.annotate(0, "string_id_item section");
51                    out.annotate(0, "-----------------------------");
52                    out.annotate(0, "");
53
54                    for (int i=0; i<length; i++) {
55                        out.annotate(0, "[%d] string_id_item", i);
56                        out.indent();
57                        annotateString(out, dexFile, i, startOffset + i * ITEM_SIZE);
58                        out.deindent();
59                    }
60                }
61            }
62        };
63    }
64
65    private static void annotateString(@Nonnull AnnotatedBytes out, @Nonnull DexBackedDexFile dexFile, int index,
66                                       int offset) {
67        int stringDataOffset = dexFile.readSmallUint(offset);
68        try {
69            String stringValue = dexFile.getString(index);
70            out.annotate(4, "string_data_item[0x%x]: \"%s\"", stringDataOffset, StringUtils.escapeString(stringValue));
71            return;
72        } catch (Exception ex) {
73            System.err.print("Error while resolving string value at index: ");
74            System.err.print(index);
75            ex.printStackTrace(System.err);
76        }
77
78        out.annotate(4, "string_id_item[0x%x]", stringDataOffset);
79    }
80}
81