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Android binary resources read/write library
/*
* Copyright (C) 2022 github.com/REAndroid
*
* 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.reandroid.arsc.model;
import com.reandroid.arsc.BuildInfo;
import com.reandroid.arsc.array.SpecTypePairArray;
import com.reandroid.arsc.array.TypeBlockArray;
import com.reandroid.arsc.chunk.ChunkType;
import com.reandroid.arsc.chunk.PackageBlock;
import com.reandroid.arsc.chunk.TableBlock;
import com.reandroid.arsc.container.SpecTypePair;
import com.reandroid.arsc.header.HeaderBlock;
import com.reandroid.arsc.item.ReferenceItem;
import com.reandroid.arsc.item.TableString;
import com.reandroid.arsc.pool.TableStringPool;
import com.reandroid.arsc.value.Entry;
import com.reandroid.arsc.value.ResConfig;
import com.reandroid.common.FileChannelInputStream;
import java.io.*;
import java.util.*;
public class FrameworkTable extends TableBlock {
private String frameworkName;
private int versionCode;
private int mainPackageId;
private boolean mOptimized;
private boolean mOptimizeChecked;
public FrameworkTable(){
super();
}
public boolean isAndroid(){
return "android".equals(getFrameworkName())
&& getMainPackageId() == 0x01;
}
public int getMainPackageId() {
if(mainPackageId!=0){
return mainPackageId;
}
PackageBlock packageBlock = pickOne();
if(packageBlock!=null){
mainPackageId = packageBlock.getId();
}
return mainPackageId;
}
@Override
public void destroy(){
this.frameworkName = null;
this.versionCode = 0;
this.mainPackageId = 0;
super.destroy();
}
public int getVersionCode(){
if(versionCode == 0 && isOptimized()){
String version = loadProperty(PROP_VERSION_CODE);
if(version!=null){
try{
versionCode = Integer.parseInt(version);
}catch (NumberFormatException ignored){
}
}
}
return versionCode;
}
public void setVersionCode(int value){
versionCode = value;
if(isOptimized()){
writeVersionCode(value);
}
}
public String getFrameworkName(){
if(frameworkName == null){
frameworkName = loadProperty(PROP_NAME);
}
if(frameworkName == null){
PackageBlock packageBlock = pickOne();
if(packageBlock!=null){
String name = packageBlock.getName();
if(name!=null && !name.trim().isEmpty()){
frameworkName = name;
}
}
}
return frameworkName;
}
public void setFrameworkName(String value){
frameworkName = value;
if(isOptimized()){
writeProperty(PROP_NAME, value);
}
}
public void optimize(String name, int version){
mOptimizeChecked = true;
mOptimized = false;
ensureTypeBlockNonNullEntries();
optimizeEntries();
optimizeTableString();
writeVersionCode(version);
mOptimizeChecked = false;
setFrameworkName(name);
refresh();
}
private void ensureTypeBlockNonNullEntries(){
Iterator iterator = getResources();
while (iterator.hasNext()){
ensureNonNullDefaultEntry(iterator.next());
}
}
private void ensureNonNullDefaultEntry(ResourceEntry resourceEntry){
ResConfig resConfig = ResConfig.getDefault();
Entry defEntry = resourceEntry.getOrCreate(resConfig);
if(!defEntry.isNull()){
return;
}
Entry entry = resourceEntry.any();
if(entry == null){
return;
}
defEntry.merge(entry);
entry.setNull(true);
}
private void optimizeEntries(){
removeExtraConfigEntries();
for(PackageBlock pkg:listPackages()){
removeEmptyBlocks(pkg);
}
for(PackageBlock pkg:listPackages()){
pkg.removeEmpty();
pkg.refresh();
}
}
private void removeEmptyBlocks(PackageBlock pkg){
SpecTypePairArray specTypePairArray = pkg.getSpecTypePairArray();
specTypePairArray.sort();
SpecTypePair[] specTypePairs = specTypePairArray.getChildes().clone();
for(SpecTypePair specTypePair : specTypePairs){
removeEmptyBlocks(specTypePair);
}
}
private void removeEmptyBlocks(SpecTypePair specTypePair){
TypeBlockArray typeBlockArray = specTypePair.getTypeBlockArray();
if(typeBlockArray.childesCount()<2){
return;
}
typeBlockArray.removeEmptyBlocks();
}
private void optimizeTableString(){
removeUnusedTableString();
shrinkTableString();
getStringPool().getStyleArray().clearChildes();
removeUnusedTableString();
}
private void removeUnusedTableString(){
TableStringPool tableStringPool=getStringPool();
tableStringPool.removeUnusedStrings();
tableStringPool.refresh();
}
private void shrinkTableString(){
TableStringPool tableStringPool=getStringPool();
tableStringPool.getStringsArray().ensureSize(1);
TableString title=tableStringPool.get(0);
title.set(BuildInfo.getRepo());
for(TableString tableString:tableStringPool.getStringsArray().listItems()){
if(tableString==title){
continue;
}
shrinkTableString(title, tableString);
}
tableStringPool.refresh();
}
private void shrinkTableString(TableString zero, TableString tableString){
List allRef = new ArrayList<>(tableString.getReferencedList());
tableString.removeAllReference();
for(ReferenceItem item:allRef){
item.set(zero.getIndex());
}
zero.addReference(allRef);
}
private void removeExtraConfigEntries(){
Iterator iterator = getResources();
while (iterator.hasNext()){
removeExtraConfigEntries(iterator.next());
}
}
private void removeExtraConfigEntries(ResourceEntry resourceEntry){
Entry mainEntry = resourceEntry.get();
if(mainEntry == null){
return;
}
Iterator itr = resourceEntry.iterator(true);
while (itr.hasNext()){
Entry entry = itr.next();
if(entry == mainEntry){
continue;
}
entry.setNull(true);
}
}
private TableString writeProperty(String name, String value){
if(!name.endsWith(":")){
name=name+":";
}
if(value==null){
value="";
}
if(!value.startsWith(name)){
value=name+value;
}
TableString tableString=loadPropertyString(name);
if(tableString!=null){
tableString.set(value);
}else {
TableStringPool tableStringPool=getStringPool();
tableString=tableStringPool.getOrCreate(value);
}
return tableString;
}
private String loadProperty(String name){
if(name==null){
return null;
}
if(!name.endsWith(":")){
name=name+":";
}
TableString tableString=loadPropertyString(name);
if(tableString==null){
return null;
}
String str=tableString.get().trim();
return str.substring(name.length()).trim();
}
private TableString loadPropertyString(String name){
if(name==null){
return null;
}
if(!name.endsWith(":")){
name=name+":";
}
TableStringPool tableStringPool=getStringPool();
int max=PROP_COUNT;
for(int i=0;i © 2015 - 2025 Weber Informatics LLC | Privacy Policy