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.Opcodes; 35 import org.jf.dexlib2.dexbacked.BaseDexBuffer; 36 import org.jf.dexlib2.dexbacked.DexBackedDexFile; 37 import org.jf.dexlib2.dexbacked.util.FixedSizeList; 38 import org.jf.dexlib2.util.AnnotatedBytes; 39 40 import javax.annotation.Nonnull; 41 import javax.annotation.Nullable; 42 import java.io.IOException; 43 import java.io.Writer; 44 import java.util.Arrays; 45 import java.util.List; 46 47 public class RawDexFile extends DexBackedDexFile { 48 @Nonnull public final HeaderItem headerItem; 49 RawDexFile(@onnull Opcodes opcodes, @Nonnull BaseDexBuffer buf)50 public RawDexFile(@Nonnull Opcodes opcodes, @Nonnull BaseDexBuffer buf) { 51 super(opcodes, buf); 52 this.headerItem = new HeaderItem(this); 53 } 54 RawDexFile(@onnull Opcodes opcodes, @Nonnull byte[] buf)55 public RawDexFile(@Nonnull Opcodes opcodes, @Nonnull byte[] buf) { 56 super(opcodes, buf); 57 this.headerItem = new HeaderItem(this); 58 } 59 60 @Nonnull readByteRange(int start, int length)61 public byte[] readByteRange(int start, int length) { 62 return Arrays.copyOfRange(getBuf(), getBaseOffset() + start, getBaseOffset() + start + length); 63 } 64 getMapOffset()65 public int getMapOffset() { 66 return headerItem.getMapOffset(); 67 } 68 69 @Nullable getMapItemForSection(int itemType)70 public MapItem getMapItemForSection(int itemType) { 71 for (MapItem mapItem: getMapItems()) { 72 if (mapItem.getType() == itemType) { 73 return mapItem; 74 } 75 } 76 return null; 77 } 78 getMapItems()79 public List<MapItem> getMapItems() { 80 final int mapOffset = getMapOffset(); 81 final int mapSize = readSmallUint(mapOffset); 82 83 return new FixedSizeList<MapItem>() { 84 @Override 85 public MapItem readItem(int index) { 86 int mapItemOffset = mapOffset + 4 + index * MapItem.ITEM_SIZE; 87 return new MapItem(RawDexFile.this, mapItemOffset); 88 } 89 90 @Override public int size() { 91 return mapSize; 92 } 93 }; 94 } 95 96 public void writeAnnotations(@Nonnull Writer out, @Nonnull AnnotatedBytes annotatedBytes) throws IOException { 97 // TODO: need to pass in the offset 98 annotatedBytes.writeAnnotations(out, getBuf()); 99 } 100 } 101