1b0383884fa44aa649cabb706325e922ee167c94aBen Gruver/* 2b0383884fa44aa649cabb706325e922ee167c94aBen Gruver * Copyright 2012, Google Inc. 3b0383884fa44aa649cabb706325e922ee167c94aBen Gruver * All rights reserved. 4b0383884fa44aa649cabb706325e922ee167c94aBen Gruver * 5b0383884fa44aa649cabb706325e922ee167c94aBen Gruver * Redistribution and use in source and binary forms, with or without 6b0383884fa44aa649cabb706325e922ee167c94aBen Gruver * modification, are permitted provided that the following conditions are 7b0383884fa44aa649cabb706325e922ee167c94aBen Gruver * met: 8b0383884fa44aa649cabb706325e922ee167c94aBen Gruver * 9b0383884fa44aa649cabb706325e922ee167c94aBen Gruver * * Redistributions of source code must retain the above copyright 10b0383884fa44aa649cabb706325e922ee167c94aBen Gruver * notice, this list of conditions and the following disclaimer. 11b0383884fa44aa649cabb706325e922ee167c94aBen Gruver * * Redistributions in binary form must reproduce the above 12b0383884fa44aa649cabb706325e922ee167c94aBen Gruver * copyright notice, this list of conditions and the following disclaimer 13b0383884fa44aa649cabb706325e922ee167c94aBen Gruver * in the documentation and/or other materials provided with the 14b0383884fa44aa649cabb706325e922ee167c94aBen Gruver * distribution. 15b0383884fa44aa649cabb706325e922ee167c94aBen Gruver * * Neither the name of Google Inc. nor the names of its 16b0383884fa44aa649cabb706325e922ee167c94aBen Gruver * contributors may be used to endorse or promote products derived from 17b0383884fa44aa649cabb706325e922ee167c94aBen Gruver * this software without specific prior written permission. 18b0383884fa44aa649cabb706325e922ee167c94aBen Gruver * 19b0383884fa44aa649cabb706325e922ee167c94aBen Gruver * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20b0383884fa44aa649cabb706325e922ee167c94aBen Gruver * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21b0383884fa44aa649cabb706325e922ee167c94aBen Gruver * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 22b0383884fa44aa649cabb706325e922ee167c94aBen Gruver * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 23b0383884fa44aa649cabb706325e922ee167c94aBen Gruver * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24b0383884fa44aa649cabb706325e922ee167c94aBen Gruver * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 25b0383884fa44aa649cabb706325e922ee167c94aBen Gruver * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26b0383884fa44aa649cabb706325e922ee167c94aBen Gruver * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27b0383884fa44aa649cabb706325e922ee167c94aBen Gruver * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28b0383884fa44aa649cabb706325e922ee167c94aBen Gruver * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 29b0383884fa44aa649cabb706325e922ee167c94aBen Gruver * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30b0383884fa44aa649cabb706325e922ee167c94aBen Gruver */ 31b0383884fa44aa649cabb706325e922ee167c94aBen Gruver 3222c3185bb7c8618437eabe6c597549e0989ec4e6Ben Gruverpackage org.jf.dexlib2.dexbacked.util; 33b0383884fa44aa649cabb706325e922ee167c94aBen Gruver 3484c1762a62d7fc6638432c6c56e0422aa8cc6939Ben Gruverimport org.jf.dexlib2.dexbacked.DexBackedDexFile; 3522c3185bb7c8618437eabe6c597549e0989ec4e6Ben Gruverimport org.jf.dexlib2.dexbacked.DexReader; 36b0383884fa44aa649cabb706325e922ee167c94aBen Gruver 37b0383884fa44aa649cabb706325e922ee167c94aBen Gruverimport javax.annotation.Nonnull; 3822c3185bb7c8618437eabe6c597549e0989ec4e6Ben Gruverimport java.util.AbstractSet; 39b0383884fa44aa649cabb706325e922ee167c94aBen Gruver 4022c3185bb7c8618437eabe6c597549e0989ec4e6Ben Gruverpublic abstract class VariableSizeSet<T> extends AbstractSet<T> { 4184c1762a62d7fc6638432c6c56e0422aa8cc6939Ben Gruver @Nonnull private final DexBackedDexFile dexFile; 4222c3185bb7c8618437eabe6c597549e0989ec4e6Ben Gruver private final int offset; 4322c3185bb7c8618437eabe6c597549e0989ec4e6Ben Gruver private final int size; 4422c3185bb7c8618437eabe6c597549e0989ec4e6Ben Gruver 4584c1762a62d7fc6638432c6c56e0422aa8cc6939Ben Gruver public VariableSizeSet(@Nonnull DexBackedDexFile dexFile, int offset, int size) { 4684c1762a62d7fc6638432c6c56e0422aa8cc6939Ben Gruver this.dexFile = dexFile; 4722c3185bb7c8618437eabe6c597549e0989ec4e6Ben Gruver this.offset = offset; 4822c3185bb7c8618437eabe6c597549e0989ec4e6Ben Gruver this.size = size; 4922c3185bb7c8618437eabe6c597549e0989ec4e6Ben Gruver } 5022c3185bb7c8618437eabe6c597549e0989ec4e6Ben Gruver 510acc897cddb531d60bc61f5a5cbc872e40b4df58Ben Gruver protected abstract T readNextItem(@Nonnull DexReader reader, int index); 5222c3185bb7c8618437eabe6c597549e0989ec4e6Ben Gruver 5322c3185bb7c8618437eabe6c597549e0989ec4e6Ben Gruver @Override 5484c1762a62d7fc6638432c6c56e0422aa8cc6939Ben Gruver @Nonnull 5522c3185bb7c8618437eabe6c597549e0989ec4e6Ben Gruver public VariableSizeIterator<T> iterator() { 5684c1762a62d7fc6638432c6c56e0422aa8cc6939Ben Gruver return new VariableSizeIterator<T>(dexFile, offset, size) { 5722c3185bb7c8618437eabe6c597549e0989ec4e6Ben Gruver @Override 5822c3185bb7c8618437eabe6c597549e0989ec4e6Ben Gruver protected T readNextItem(@Nonnull DexReader reader, int index) { 5922c3185bb7c8618437eabe6c597549e0989ec4e6Ben Gruver return VariableSizeSet.this.readNextItem(reader, index); 6022c3185bb7c8618437eabe6c597549e0989ec4e6Ben Gruver } 6122c3185bb7c8618437eabe6c597549e0989ec4e6Ben Gruver }; 6222c3185bb7c8618437eabe6c597549e0989ec4e6Ben Gruver } 6322c3185bb7c8618437eabe6c597549e0989ec4e6Ben Gruver 6422c3185bb7c8618437eabe6c597549e0989ec4e6Ben Gruver @Override public int size() { return size; } 65b0383884fa44aa649cabb706325e922ee167c94aBen Gruver} 66