1 /* 2 * Copyright (C) 2007 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.dx.dex.file; 18 19 import com.android.dx.util.DexException; 20 21 /** 22 * Member (field or method) refs list section of a {@code .dex} file. 23 */ 24 public abstract class MemberIdsSection extends UniformItemSection { 25 /** The largest addressable member is 0xffff, in the dex spec as field@CCCC or meth@CCCC. */ 26 private static final int MAX_MEMBERS = 0x10000; 27 28 /** 29 * Constructs an instance. The file offset is initially unknown. 30 * 31 * @param name {@code null-ok;} the name of this instance, for annotation 32 * purposes 33 * @param file {@code non-null;} file that this instance is part of 34 */ 35 public MemberIdsSection(String name, DexFile file) { 36 super(name, file, 4); 37 } 38 39 /** {@inheritDoc} */ 40 @Override 41 protected void orderItems() { 42 int idx = 0; 43 44 if (items().size() > MAX_MEMBERS) { 45 String memberType = this instanceof MethodIdsSection ? "methods" : "fields"; 46 throw new DexException("Too many " + memberType + ": " + items().size() 47 + "; max is " + MAX_MEMBERS); 48 } 49 50 for (Object i : items()) { 51 ((MemberIdItem) i).setIndex(idx); 52 idx++; 53 } 54 } 55 } 56
