| /* |
| * Copyright (C) 2007 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.dexgen.dex.file; |
| |
| import com.android.dexgen.rop.cst.CstType; |
| import com.android.dexgen.rop.type.StdTypeList; |
| import com.android.dexgen.rop.type.Type; |
| import com.android.dexgen.rop.type.TypeList; |
| import com.android.dexgen.util.AnnotatedOutput; |
| import com.android.dexgen.util.Hex; |
| |
| /** |
| * Representation of a list of class references. |
| */ |
| public final class TypeListItem extends OffsettedItem { |
| /** alignment requirement */ |
| private static final int ALIGNMENT = 4; |
| |
| /** element size in bytes */ |
| private static final int ELEMENT_SIZE = 2; |
| |
| /** header size in bytes */ |
| private static final int HEADER_SIZE = 4; |
| |
| /** {@code non-null;} the actual list */ |
| private final TypeList list; |
| |
| /** |
| * Constructs an instance. |
| * |
| * @param list {@code non-null;} the actual list |
| */ |
| public TypeListItem(TypeList list) { |
| super(ALIGNMENT, (list.size() * ELEMENT_SIZE) + HEADER_SIZE); |
| |
| this.list = list; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public int hashCode() { |
| return StdTypeList.hashContents(list); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public ItemType itemType() { |
| return ItemType.TYPE_TYPE_LIST; |
| } |
| |
| /** {@inheritDoc} */ |
| public void addContents(DexFile file) { |
| TypeIdsSection typeIds = file.getTypeIds(); |
| int sz = list.size(); |
| |
| for (int i = 0; i < sz; i++) { |
| typeIds.intern(list.getType(i)); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public String toHuman() { |
| throw new RuntimeException("unsupported"); |
| } |
| |
| /** |
| * Gets the underlying list. |
| * |
| * @return {@code non-null;} the list |
| */ |
| public TypeList getList() { |
| return list; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| protected void writeTo0(DexFile file, AnnotatedOutput out) { |
| TypeIdsSection typeIds = file.getTypeIds(); |
| int sz = list.size(); |
| |
| if (out.annotates()) { |
| out.annotate(0, offsetString() + " type_list"); |
| out.annotate(HEADER_SIZE, " size: " + Hex.u4(sz)); |
| for (int i = 0; i < sz; i++) { |
| Type one = list.getType(i); |
| int idx = typeIds.indexOf(one); |
| out.annotate(ELEMENT_SIZE, |
| " " + Hex.u2(idx) + " // " + one.toHuman()); |
| } |
| } |
| |
| out.writeInt(sz); |
| |
| for (int i = 0; i < sz; i++) { |
| out.writeShort(typeIds.indexOf(list.getType(i))); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| protected int compareTo0(OffsettedItem other) { |
| TypeList thisList = this.list; |
| TypeList otherList = ((TypeListItem) other).list; |
| |
| return StdTypeList.compareContents(thisList, otherList); |
| } |
| } |