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 32 package org.jf.dexlib2.dexbacked.raw; 33 34 import org.jf.dexlib2.dexbacked.DexBackedDexFile; 35 import org.jf.dexlib2.dexbacked.raw.util.DexAnnotator; 36 import org.jf.dexlib2.util.AnnotatedBytes; 37 import org.jf.util.StringUtils; 38 39 import javax.annotation.Nonnull; 40 import javax.annotation.Nullable; 41 42 public class StringIdItem { 43 public static final int ITEM_SIZE = 4; 44 45 @Nonnull makeAnnotator(@onnull DexAnnotator annotator, @Nonnull MapItem mapItem)46 public static SectionAnnotator makeAnnotator(@Nonnull DexAnnotator annotator, @Nonnull MapItem mapItem) { 47 return new SectionAnnotator(annotator, mapItem) { 48 @Nonnull @Override public String getItemName() { 49 return "string_id_item"; 50 } 51 52 @Override 53 public void annotateItem(@Nonnull AnnotatedBytes out, int itemIndex, @Nullable String itemIdentity) { 54 int stringDataOffset = dexFile.readSmallUint(out.getCursor()); 55 try { 56 String stringValue = dexFile.getString(itemIndex); 57 out.annotate(4, "string_data_item[0x%x]: \"%s\"", stringDataOffset, 58 StringUtils.escapeString(stringValue)); 59 return; 60 } catch (Exception ex) { 61 System.err.print("Error while resolving string value at index: "); 62 System.err.print(itemIndex); 63 ex.printStackTrace(System.err); 64 } 65 66 out.annotate(4, "string_id_item[0x%x]", stringDataOffset); 67 } 68 }; 69 } 70 71 @Nonnull 72 public static String getReferenceAnnotation(@Nonnull DexBackedDexFile dexFile, int stringIndex) { 73 return getReferenceAnnotation(dexFile, stringIndex, false); 74 75 } 76 77 public static String getReferenceAnnotation(@Nonnull DexBackedDexFile dexFile, int stringIndex, boolean quote) { 78 try { 79 String string = dexFile.getString(stringIndex); 80 if (quote) { 81 string = String.format("\"%s\"", StringUtils.escapeString(string)); 82 } 83 return String.format("string_id_item[%d]: %s", stringIndex, string); 84 } catch (Exception ex) { 85 ex.printStackTrace(System.err); 86 } 87 return String.format("string_id_item[%d]", stringIndex); 88 } 89 90 91 @Nonnull 92 public static String getOptionalReferenceAnnotation(@Nonnull DexBackedDexFile dexFile, int stringIndex) { 93 return getOptionalReferenceAnnotation(dexFile, stringIndex, false); 94 95 } 96 97 public static String getOptionalReferenceAnnotation(@Nonnull DexBackedDexFile dexFile, int stringIndex, 98 boolean quote) { 99 if (stringIndex == -1) { 100 return "string_id_item[NO_INDEX]"; 101 } 102 return getReferenceAnnotation(dexFile, stringIndex, quote); 103 } 104 105 public static String[] getStrings(@Nonnull RawDexFile dexFile) { 106 MapItem mapItem = dexFile.getMapItemForSection(ItemType.STRING_ID_ITEM); 107 if (mapItem == null) { 108 return new String[0]; 109 } 110 111 int stringCount = mapItem.getItemCount(); 112 String[] ret = new String[stringCount]; 113 for (int i=0; i<stringCount; i++) { 114 ret[i] = dexFile.getString(i); 115 } 116 return ret; 117 } 118 } 119