| /* |
| * Copyright (C) 2011 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.dx.merge; |
| |
| import com.android.dx.dex.TableOfContents; |
| import com.android.dx.io.ClassDef; |
| import com.android.dx.io.DexBuffer; |
| import com.android.dx.io.FieldId; |
| import com.android.dx.io.MethodId; |
| import com.android.dx.io.ProtoId; |
| |
| /** |
| * Maps the index offsets from one dex file to those in another. For example, if |
| * you have string #5 in the old dex file, its position in the new dex file is |
| * {@code strings[5]}. |
| */ |
| public final class IndexMap { |
| private final DexBuffer target; |
| public final int[] stringIds; |
| public final short[] typeIds; |
| public final short[] protoIds; |
| public final short[] fieldIds; |
| public final short[] methodIds; |
| |
| public IndexMap(DexBuffer target, TableOfContents tableOfContents) { |
| this.target = target; |
| this.stringIds = new int[tableOfContents.stringIds.size]; |
| this.typeIds = new short[tableOfContents.typeIds.size]; |
| this.protoIds = new short[tableOfContents.protoIds.size]; |
| this.fieldIds = new short[tableOfContents.fieldIds.size]; |
| this.methodIds = new short[tableOfContents.methodIds.size]; |
| } |
| |
| public int adjustString(int stringIndex) { |
| return stringIndex == ClassDef.NO_INDEX ? ClassDef.NO_INDEX : stringIds[stringIndex]; |
| } |
| |
| public short adjustType(int typeIndex) { |
| return (typeIndex == ClassDef.NO_INDEX) ? ClassDef.NO_INDEX : typeIds[typeIndex]; |
| } |
| |
| public short[] adjustTypeList(short[] typeList) { |
| short[] result = new short[typeList.length]; |
| for (int i = 0; i < typeList.length; i++) { |
| result[i] = adjustType(typeList[i]); |
| } |
| return result; |
| } |
| |
| public short adjustProto(int protoIndex) { |
| return protoIds[protoIndex]; |
| } |
| |
| public short adjustField(int fieldIndex) { |
| return fieldIds[fieldIndex]; |
| } |
| |
| public short adjustMethod(int methodIndex) { |
| return methodIds[methodIndex]; |
| } |
| |
| public MethodId adjust(MethodId methodId) { |
| return new MethodId(target, |
| adjustType(methodId.getDeclaringClassIndex()), |
| adjustProto(methodId.getProtoIndex()), |
| adjustString(methodId.getNameIndex())); |
| } |
| |
| public FieldId adjust(FieldId fieldId) { |
| return new FieldId(target, |
| adjustType(fieldId.getDeclaringClassIndex()), |
| adjustType(fieldId.getTypeIndex()), |
| adjustString(fieldId.getNameIndex())); |
| |
| } |
| |
| public ProtoId adjust(ProtoId protoId) { |
| return new ProtoId(target, |
| adjustString(protoId.getShortyIndex()), |
| adjustType(protoId.getReturnTypeIndex()), |
| adjustTypeList(protoId.getParameters())); |
| } |
| |
| public ClassDef adjust(ClassDef classDef) { |
| return new ClassDef(target, classDef.getOffset(), adjustType(classDef.getTypeIndex()), |
| classDef.getAccessFlags(), adjustType(classDef.getSupertypeIndex()), |
| classDef.getInterfacesOffset(), adjustTypeList(classDef.getInterfaces()), |
| classDef.getSourceFileIndex(), classDef.getAnnotationsOffset(), |
| classDef.getClassDataOffset(), classDef.getStaticValuesOffset()); |
| } |
| |
| public SortableType adjust(SortableType sortableType) { |
| return new SortableType(sortableType.getBuffer(), adjust(sortableType.getClassDef())); |
| } |
| } |