/* * Tencent is pleased to support the open source community by making Tinker available. * * Copyright (C) 2016 THL A29 Limited, a Tencent company. All rights reserved. * * Licensed under the BSD 3-Clause License (the "License"); you may not use this file except in * compliance with the License. You may obtain a copy of the License at * * https://opensource.org/licenses/BSD-3-Clause * * 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.taobao.common.dexpatcher.algorithms.patch; import com.taobao.common.dexpatcher.struct.DexPatchFile; import com.taobao.common.dexpatcher.struct.SmallPatchedDexItemFile; import com.taobao.dex.Dex; import com.taobao.dex.EncodedValue; import com.taobao.dex.TableOfContents; import com.taobao.dex.io.DexDataBuffer; import com.taobao.dx.util.IndexMap; /** * Created by tangyinsheng on 2016/7/4. */ public class StaticValueSectionPatchAlgorithm extends DexSectionPatchAlgorithm<EncodedValue> { private TableOfContents.Section patchedEncodedValueTocSec = null; private Dex.Section patchedEncodedValueSec = null; public StaticValueSectionPatchAlgorithm( DexPatchFile patchFile, Dex oldDex, Dex patchedDex, IndexMap oldToFullPatchedIndexMap, IndexMap fullPatchedToSmallPatchedIndexMap, final SmallPatchedDexItemFile extraInfoFile ) { this( patchFile, oldDex, patchedDex, oldToFullPatchedIndexMap, fullPatchedToSmallPatchedIndexMap, new SmallPatchedDexItemChooser() { @Override public boolean isPatchedItemInSmallPatchedDex( String oldDexSign, int patchedItemIndex ) { return extraInfoFile.isEncodedArrayInSmallPatchedDex( oldDexSign, patchedItemIndex ); } } ); } public StaticValueSectionPatchAlgorithm( DexPatchFile patchFile, Dex oldDex, Dex patchedDex, IndexMap oldToFullPatchedIndexMap, IndexMap fullPatchedToSmallPatchedIndexMap, SmallPatchedDexItemChooser spdItemChooser ) { super( patchFile, oldDex, oldToFullPatchedIndexMap, fullPatchedToSmallPatchedIndexMap, spdItemChooser ); if (patchedDex != null) { this.patchedEncodedValueTocSec = patchedDex.getTableOfContents().encodedArrays; this.patchedEncodedValueSec = patchedDex.openSection(this.patchedEncodedValueTocSec); } } @Override protected TableOfContents.Section getTocSection(Dex dex) { return dex.getTableOfContents().encodedArrays; } @Override protected EncodedValue nextItem(DexDataBuffer section) { return section.readEncodedArray(); } @Override protected int getItemSize(EncodedValue item) { return item.byteCountInDex(); } @Override protected int getFullPatchSectionBase() { if (this.patchFile != null) { return this.patchFile.getPatchedEncodedArraySectionOffset(); } else { return getTocSection(this.oldDex).off; } } @Override protected EncodedValue adjustItem(IndexMap indexMap, EncodedValue item) { return indexMap.adjust(item); } @Override protected int writePatchedItem(EncodedValue patchedItem) { ++this.patchedEncodedValueTocSec.size; return this.patchedEncodedValueSec.writeEncodedArray(patchedItem); } @Override protected void updateIndexOrOffset(IndexMap indexMap, int oldIndex, int oldOffset, int newIndex, int newOffset) { if (oldOffset != newOffset) { indexMap.mapStaticValuesOffset(oldOffset, newOffset); } } @Override protected void markDeletedIndexOrOffset(IndexMap indexMap, int deletedIndex, int deletedOffset) { indexMap.markStaticValuesDeleted(deletedOffset); } }