blob: fd76e887ab2aa7ecdb062d2c046f197ef654e81c [file] [log] [blame]
/*
* Copyright (C) 2015 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.
*/
#include "AppInfo.h"
#include "Debug.h"
#include "Flags.h"
#include "Locale.h"
#include "NameMangler.h"
#include "compile/IdAssigner.h"
#include "filter/ConfigFilter.h"
#include "flatten/Archive.h"
#include "flatten/TableFlattener.h"
#include "flatten/XmlFlattener.h"
#include "io/FileSystem.h"
#include "io/ZipArchive.h"
#include "java/JavaClassGenerator.h"
#include "java/ManifestClassGenerator.h"
#include "java/ProguardRules.h"
#include "link/Linkers.h"
#include "link/ReferenceLinker.h"
#include "link/ManifestFixer.h"
#include "link/TableMerger.h"
#include "process/IResourceTableConsumer.h"
#include "process/SymbolTable.h"
#include "unflatten/BinaryResourceParser.h"
#include "unflatten/FileExportHeaderReader.h"
#include "util/Files.h"
#include "util/StringPiece.h"
#include "xml/XmlDom.h"
#include <fstream>
#include <sys/stat.h>
#include <vector>
namespace aapt {
struct LinkOptions {
std::string outputPath;
std::string manifestPath;
std::vector<std::string> includePaths;
std::vector<std::string> overlayFiles;
Maybe<std::string> generateJavaClassPath;
Maybe<std::u16string> customJavaPackage;
std::set<std::u16string> extraJavaPackages;
Maybe<std::string> generateProguardRulesPath;
bool noAutoVersion = false;
bool staticLib = false;
bool generateNonFinalIds = false;
bool verbose = false;
bool outputToDirectory = false;
bool autoAddOverlay = false;
bool doNotCompressAnything = false;
std::vector<std::string> extensionsToNotCompress;
Maybe<std::u16string> privateSymbols;
ManifestFixerOptions manifestFixerOptions;
IConfigFilter* configFilter = nullptr;
};
struct LinkContext : public IAaptContext {
StdErrDiagnostics mDiagnostics;
std::unique_ptr<NameMangler> mNameMangler;
std::u16string mCompilationPackage;
uint8_t mPackageId;
std::unique_ptr<ISymbolTable> mSymbols;
IDiagnostics* getDiagnostics() override {
return &mDiagnostics;
}
NameMangler* getNameMangler() override {
return mNameMangler.get();
}
StringPiece16 getCompilationPackage() override {
return mCompilationPackage;
}
uint8_t getPackageId() override {
return mPackageId;
}
ISymbolTable* getExternalSymbols() override {
return mSymbols.get();
}
};
class LinkCommand {
public:
LinkCommand(LinkContext* context, const LinkOptions& options) :
mOptions(options), mContext(context), mFinalTable(), mFileCollection(nullptr) {
std::unique_ptr<io::FileCollection> fileCollection =
util::make_unique<io::FileCollection>();
// Get a pointer to the FileCollection for convenience, but it will be owned by the vector.
mFileCollection = fileCollection.get();
// Move it to the collection.
mCollections.push_back(std::move(fileCollection));
}
/**
* Creates a SymbolTable that loads symbols from the various APKs and caches the
* results for faster lookup.
*/
std::unique_ptr<ISymbolTable> createSymbolTableFromIncludePaths() {
AssetManagerSymbolTableBuilder builder;
for (const std::string& path : mOptions.includePaths) {
if (mOptions.verbose) {
mContext->getDiagnostics()->note(DiagMessage(path) << "loading include path");
}
std::unique_ptr<android::AssetManager> assetManager =
util::make_unique<android::AssetManager>();
int32_t cookie = 0;
if (!assetManager->addAssetPath(android::String8(path.data(), path.size()), &cookie)) {
mContext->getDiagnostics()->error(
DiagMessage(path) << "failed to load include path");
return {};
}
builder.add(std::move(assetManager));
}
return builder.build();
}
std::unique_ptr<ResourceTable> loadTable(const Source& source, const void* data, size_t len) {
std::unique_ptr<ResourceTable> table = util::make_unique<ResourceTable>();
BinaryResourceParser parser(mContext, table.get(), source, data, len);
if (!parser.parse()) {
return {};
}
return table;
}
/**
* Inflates an XML file from the source path.
*/
static std::unique_ptr<xml::XmlResource> loadXml(const std::string& path, IDiagnostics* diag) {
std::ifstream fin(path, std::ifstream::binary);
if (!fin) {
diag->error(DiagMessage(path) << strerror(errno));
return {};
}
return xml::inflate(&fin, diag, Source(path));
}
static std::unique_ptr<xml::XmlResource> loadBinaryXmlSkipFileExport(
const Source& source,
const void* data, size_t len,
IDiagnostics* diag) {
std::string errorStr;
ssize_t offset = getWrappedDataOffset(data, len, &errorStr);
if (offset < 0) {
diag->error(DiagMessage(source) << errorStr);
return {};
}
std::unique_ptr<xml::XmlResource> xmlRes = xml::inflate(
reinterpret_cast<const uint8_t*>(data) + static_cast<size_t>(offset),
len - static_cast<size_t>(offset),
diag,
source);
if (!xmlRes) {
return {};
}
return xmlRes;
}
static std::unique_ptr<ResourceFile> loadFileExportHeader(const Source& source,
const void* data, size_t len,
IDiagnostics* diag) {
std::unique_ptr<ResourceFile> resFile = util::make_unique<ResourceFile>();
std::string errorStr;
ssize_t offset = unwrapFileExportHeader(data, len, resFile.get(), &errorStr);
if (offset < 0) {
diag->error(DiagMessage(source) << errorStr);
return {};
}
return resFile;
}
uint32_t getCompressionFlags(const StringPiece& str) {
if (mOptions.doNotCompressAnything) {
return 0;
}
for (const std::string& extension : mOptions.extensionsToNotCompress) {
if (util::stringEndsWith<char>(str, extension)) {
return 0;
}
}
return ArchiveEntry::kCompress;
}
bool copyFileToArchive(io::IFile* file, const std::string& outPath,
IArchiveWriter* writer) {
std::unique_ptr<io::IData> data = file->openAsData();
if (!data) {
mContext->getDiagnostics()->error(DiagMessage(file->getSource())
<< "failed to open file");
return false;
}
std::string errorStr;
ssize_t offset = getWrappedDataOffset(data->data(), data->size(), &errorStr);
if (offset < 0) {
mContext->getDiagnostics()->error(DiagMessage(file->getSource()) << errorStr);
return false;
}
if (writer->startEntry(outPath, getCompressionFlags(outPath))) {
if (writer->writeEntry(reinterpret_cast<const uint8_t*>(data->data()) + offset,
data->size() - static_cast<size_t>(offset))) {
if (writer->finishEntry()) {
return true;
}
}
}
mContext->getDiagnostics()->error(
DiagMessage(mOptions.outputPath) << "failed to write file " << outPath);
return false;
}
Maybe<AppInfo> extractAppInfoFromManifest(xml::XmlResource* xmlRes) {
// Make sure the first element is <manifest> with package attribute.
if (xml::Element* manifestEl = xml::findRootElement(xmlRes->root.get())) {
if (manifestEl->namespaceUri.empty() && manifestEl->name == u"manifest") {
if (xml::Attribute* packageAttr = manifestEl->findAttribute({}, u"package")) {
return AppInfo{ packageAttr->value };
}
}
}
return {};
}
/**
* Precondition: ResourceTable doesn't have any IDs assigned yet, nor is it linked.
* Postcondition: ResourceTable has only one package left. All others are stripped, or there
* is an error and false is returned.
*/
bool verifyNoExternalPackages() {
auto isExtPackageFunc = [&](const std::unique_ptr<ResourceTablePackage>& pkg) -> bool {
return mContext->getCompilationPackage() != pkg->name ||
!pkg->id ||
pkg->id.value() != mContext->getPackageId();
};
bool error = false;
for (const auto& package : mFinalTable.packages) {
if (isExtPackageFunc(package)) {
// We have a package that is not related to the one we're building!
for (const auto& type : package->types) {
for (const auto& entry : type->entries) {
ResourceNameRef resName(package->name, type->type, entry->name);
for (const auto& configValue : entry->values) {
// Special case the occurrence of an ID that is being generated for the
// 'android' package. This is due to legacy reasons.
if (valueCast<Id>(configValue.value.get()) &&
package->name == u"android") {
mContext->getDiagnostics()->warn(
DiagMessage(configValue.value->getSource())
<< "generated id '" << resName
<< "' for external package '" << package->name
<< "'");
} else {
mContext->getDiagnostics()->error(
DiagMessage(configValue.value->getSource())
<< "defined resource '" << resName
<< "' for external package '" << package->name
<< "'");
error = true;
}
}
}
}
}
}
auto newEndIter = std::remove_if(mFinalTable.packages.begin(), mFinalTable.packages.end(),
isExtPackageFunc);
mFinalTable.packages.erase(newEndIter, mFinalTable.packages.end());
return !error;
}
std::unique_ptr<IArchiveWriter> makeArchiveWriter() {
if (mOptions.outputToDirectory) {
return createDirectoryArchiveWriter(mContext->getDiagnostics(), mOptions.outputPath);
} else {
return createZipFileArchiveWriter(mContext->getDiagnostics(), mOptions.outputPath);
}
}
bool flattenTable(ResourceTable* table, IArchiveWriter* writer) {
BigBuffer buffer(1024);
TableFlattenerOptions options = {};
options.useExtendedChunks = mOptions.staticLib;
TableFlattener flattener(&buffer, options);
if (!flattener.consume(mContext, table)) {
return false;
}
if (writer->startEntry("resources.arsc", ArchiveEntry::kAlign)) {
if (writer->writeEntry(buffer)) {
if (writer->finishEntry()) {
return true;
}
}
}
mContext->getDiagnostics()->error(
DiagMessage() << "failed to write resources.arsc to archive");
return false;
}
bool flattenXml(xml::XmlResource* xmlRes, const StringPiece& path, Maybe<size_t> maxSdkLevel,
IArchiveWriter* writer) {
BigBuffer buffer(1024);
XmlFlattenerOptions options = {};
options.keepRawValues = mOptions.staticLib;
options.maxSdkLevel = maxSdkLevel;
XmlFlattener flattener(&buffer, options);
if (!flattener.consume(mContext, xmlRes)) {
return false;
}
if (writer->startEntry(path, ArchiveEntry::kCompress)) {
if (writer->writeEntry(buffer)) {
if (writer->finishEntry()) {
return true;
}
}
}
mContext->getDiagnostics()->error(
DiagMessage() << "failed to write " << path << " to archive");
return false;
}
bool writeJavaFile(ResourceTable* table, const StringPiece16& packageNameToGenerate,
const StringPiece16& outPackage, JavaClassGeneratorOptions javaOptions) {
if (!mOptions.generateJavaClassPath) {
return true;
}
std::string outPath = mOptions.generateJavaClassPath.value();
file::appendPath(&outPath, file::packageToPath(util::utf16ToUtf8(outPackage)));
file::mkdirs(outPath);
file::appendPath(&outPath, "R.java");
std::ofstream fout(outPath, std::ofstream::binary);
if (!fout) {
mContext->getDiagnostics()->error(DiagMessage() << strerror(errno));
return false;
}
JavaClassGenerator generator(table, javaOptions);
if (!generator.generate(packageNameToGenerate, outPackage, &fout)) {
mContext->getDiagnostics()->error(DiagMessage(outPath) << generator.getError());
return false;
}
return true;
}
bool writeManifestJavaFile(xml::XmlResource* manifestXml) {
if (!mOptions.generateJavaClassPath) {
return true;
}
std::string outPath = mOptions.generateJavaClassPath.value();
file::appendPath(&outPath,
file::packageToPath(util::utf16ToUtf8(mContext->getCompilationPackage())));
file::mkdirs(outPath);
file::appendPath(&outPath, "Manifest.java");
std::ofstream fout(outPath, std::ofstream::binary);
if (!fout) {
mContext->getDiagnostics()->error(DiagMessage() << strerror(errno));
return false;
}
ManifestClassGenerator generator;
if (!generator.generate(mContext->getDiagnostics(), mContext->getCompilationPackage(),
manifestXml, &fout)) {
return false;
}
if (!fout) {
mContext->getDiagnostics()->error(DiagMessage() << strerror(errno));
return false;
}
return true;
}
bool writeProguardFile(const proguard::KeepSet& keepSet) {
if (!mOptions.generateProguardRulesPath) {
return true;
}
std::ofstream fout(mOptions.generateProguardRulesPath.value(), std::ofstream::binary);
if (!fout) {
mContext->getDiagnostics()->error(DiagMessage() << strerror(errno));
return false;
}
proguard::writeKeepSet(&fout, keepSet);
if (!fout) {
mContext->getDiagnostics()->error(DiagMessage() << strerror(errno));
return false;
}
return true;
}
bool mergeStaticLibrary(const std::string& input) {
// TODO(adamlesinski): Load resources from a static library APK and merge the table into
// TableMerger.
mContext->getDiagnostics()->warn(DiagMessage()
<< "linking static libraries not supported yet: "
<< input);
return true;
}
bool mergeResourceTable(io::IFile* file, bool override) {
if (mOptions.verbose) {
mContext->getDiagnostics()->note(DiagMessage() << "linking " << file->getSource());
}
std::unique_ptr<io::IData> data = file->openAsData();
if (!data) {
mContext->getDiagnostics()->error(DiagMessage(file->getSource())
<< "failed to open file");
return false;
}
std::unique_ptr<ResourceTable> table = loadTable(file->getSource(), data->data(),
data->size());
if (!table) {
return false;
}
bool result = false;
if (override) {
result = mTableMerger->mergeOverlay(file->getSource(), table.get());
} else {
result = mTableMerger->merge(file->getSource(), table.get());
}
return result;
}
bool mergeCompiledFile(io::IFile* file, std::unique_ptr<ResourceFile> fileDesc, bool overlay) {
if (mOptions.verbose) {
mContext->getDiagnostics()->note(DiagMessage() << "adding " << file->getSource());
}
bool result = false;
if (overlay) {
result = mTableMerger->mergeFileOverlay(*fileDesc, file);
} else {
result = mTableMerger->mergeFile(*fileDesc, file);
}
if (!result) {
return false;
}
// Add the exports of this file to the table.
for (SourcedResourceName& exportedSymbol : fileDesc->exportedSymbols) {
if (exportedSymbol.name.package.empty()) {
exportedSymbol.name.package = mContext->getCompilationPackage().toString();
}
ResourceNameRef resName = exportedSymbol.name;
Maybe<ResourceName> mangledName = mContext->getNameMangler()->mangleName(
exportedSymbol.name);
if (mangledName) {
resName = mangledName.value();
}
std::unique_ptr<Id> id = util::make_unique<Id>();
id->setSource(fileDesc->source.withLine(exportedSymbol.line));
bool result = mFinalTable.addResourceAllowMangled(resName, {}, std::move(id),
mContext->getDiagnostics());
if (!result) {
return false;
}
}
return true;
}
/**
* Creates an io::IFileCollection from the ZIP archive and processes the files within.
*/
bool mergeArchive(const std::string& input, bool override) {
std::string errorStr;
std::unique_ptr<io::ZipFileCollection> collection = io::ZipFileCollection::create(
input, &errorStr);
if (!collection) {
mContext->getDiagnostics()->error(DiagMessage(input) << errorStr);
return false;
}
bool error = false;
for (auto iter = collection->iterator(); iter->hasNext(); ) {
if (!processFile(iter->next(), override)) {
error = true;
}
}
// Make sure to move the collection into the set of IFileCollections.
mCollections.push_back(std::move(collection));
return !error;
}
bool processFile(const std::string& path, bool override) {
if (util::stringEndsWith<char>(path, ".flata") ||
util::stringEndsWith<char>(path, ".jar") ||
util::stringEndsWith<char>(path, ".jack") ||
util::stringEndsWith<char>(path, ".zip")) {
return mergeArchive(path, override);
}
io::IFile* file = mFileCollection->insertFile(path);
return processFile(file, override);
}
bool processFile(io::IFile* file, bool override) {
const Source& src = file->getSource();
if (util::stringEndsWith<char>(src.path, ".arsc.flat")) {
return mergeResourceTable(file, override);
} else if (util::stringEndsWith<char>(src.path, ".flat")){
// Try opening the file and looking for an Export header.
std::unique_ptr<io::IData> data = file->openAsData();
if (!data) {
mContext->getDiagnostics()->error(DiagMessage(src) << "failed to open");
return false;
}
std::unique_ptr<ResourceFile> resourceFile = loadFileExportHeader(
src, data->data(), data->size(), mContext->getDiagnostics());
if (resourceFile) {
return mergeCompiledFile(file, std::move(resourceFile), override);
}
return false;
}
// Ignore non .flat files. This could be classes.dex or something else that happens
// to be in an archive.
return true;
}
int run(const std::vector<std::string>& inputFiles) {
// Load the AndroidManifest.xml
std::unique_ptr<xml::XmlResource> manifestXml = loadXml(mOptions.manifestPath,
mContext->getDiagnostics());
if (!manifestXml) {
return 1;
}
if (Maybe<AppInfo> maybeAppInfo = extractAppInfoFromManifest(manifestXml.get())) {
mContext->mCompilationPackage = maybeAppInfo.value().package;
} else {
mContext->getDiagnostics()->error(DiagMessage(mOptions.manifestPath)
<< "no package specified in <manifest> tag");
return 1;
}
if (!util::isJavaPackageName(mContext->mCompilationPackage)) {
mContext->getDiagnostics()->error(DiagMessage(mOptions.manifestPath)
<< "invalid package name '"
<< mContext->mCompilationPackage
<< "'");
return 1;
}
mContext->mNameMangler = util::make_unique<NameMangler>(
NameManglerPolicy{ mContext->mCompilationPackage });
if (mContext->mCompilationPackage == u"android") {
mContext->mPackageId = 0x01;
} else {
mContext->mPackageId = 0x7f;
}
mContext->mSymbols = createSymbolTableFromIncludePaths();
if (!mContext->mSymbols) {
return 1;
}
TableMergerOptions tableMergerOptions;
tableMergerOptions.autoAddOverlay = mOptions.autoAddOverlay;
tableMergerOptions.filter = mOptions.configFilter;
mTableMerger = util::make_unique<TableMerger>(mContext, &mFinalTable, tableMergerOptions);
if (mOptions.verbose) {
mContext->getDiagnostics()->note(
DiagMessage() << "linking package '" << mContext->mCompilationPackage << "' "
<< "with package ID " << std::hex << (int) mContext->mPackageId);
}
for (const std::string& input : inputFiles) {
if (!processFile(input, false)) {
mContext->getDiagnostics()->error(DiagMessage() << "failed parsing input");
return 1;
}
}
for (const std::string& input : mOptions.overlayFiles) {
if (!processFile(input, true)) {
mContext->getDiagnostics()->error(DiagMessage() << "failed parsing overlays");
return 1;
}
}
if (!verifyNoExternalPackages()) {
return 1;
}
if (!mOptions.staticLib) {
PrivateAttributeMover mover;
if (!mover.consume(mContext, &mFinalTable)) {
mContext->getDiagnostics()->error(
DiagMessage() << "failed moving private attributes");
return 1;
}
}
{
IdAssigner idAssigner;
if (!idAssigner.consume(mContext, &mFinalTable)) {
mContext->getDiagnostics()->error(DiagMessage() << "failed assigning IDs");
return 1;
}
}
mContext->mNameMangler = util::make_unique<NameMangler>(NameManglerPolicy{
mContext->mCompilationPackage, mTableMerger->getMergedPackages() });
mContext->mSymbols = JoinedSymbolTableBuilder()
.addSymbolTable(util::make_unique<SymbolTableWrapper>(&mFinalTable))
.addSymbolTable(std::move(mContext->mSymbols))
.build();
{
ReferenceLinker linker;
if (!linker.consume(mContext, &mFinalTable)) {
mContext->getDiagnostics()->error(DiagMessage() << "failed linking references");
return 1;
}
}
proguard::KeepSet proguardKeepSet;
std::unique_ptr<IArchiveWriter> archiveWriter = makeArchiveWriter();
if (!archiveWriter) {
mContext->getDiagnostics()->error(DiagMessage() << "failed to create archive");
return 1;
}
bool error = false;
{
ManifestFixer manifestFixer(mOptions.manifestFixerOptions);
if (!manifestFixer.consume(mContext, manifestXml.get())) {
error = true;
}
// AndroidManifest.xml has no resource name, but the CallSite is built from the name
// (aka, which package the AndroidManifest.xml is coming from).
// So we give it a package name so it can see local resources.
manifestXml->file.name.package = mContext->getCompilationPackage().toString();
XmlReferenceLinker manifestLinker;
if (manifestLinker.consume(mContext, manifestXml.get())) {
if (!proguard::collectProguardRulesForManifest(Source(mOptions.manifestPath),
manifestXml.get(),
&proguardKeepSet)) {
error = true;
}
if (mOptions.generateJavaClassPath) {
if (!writeManifestJavaFile(manifestXml.get())) {
error = true;
}
}
if (!flattenXml(manifestXml.get(), "AndroidManifest.xml", {},
archiveWriter.get())) {
error = true;
}
} else {
error = true;
}
}
if (error) {
mContext->getDiagnostics()->error(DiagMessage() << "failed processing manifest");
return 1;
}
for (auto& mergeEntry : mTableMerger->getFilesToMerge()) {
const ResourceKeyRef& key = mergeEntry.first;
const FileToMerge& fileToMerge = mergeEntry.second;
const StringPiece path = fileToMerge.file->getSource().path;
if (key.name.type != ResourceType::kRaw &&
(util::stringEndsWith<char>(path, ".xml.flat") ||
util::stringEndsWith<char>(path, ".xml"))) {
if (mOptions.verbose) {
mContext->getDiagnostics()->note(DiagMessage() << "linking " << path);
}
io::IFile* file = fileToMerge.file;
std::unique_ptr<io::IData> data = file->openAsData();
if (!data) {
mContext->getDiagnostics()->error(DiagMessage(file->getSource())
<< "failed to open file");
return 1;
}
std::unique_ptr<xml::XmlResource> xmlRes;
if (util::stringEndsWith<char>(path, ".flat")) {
xmlRes = loadBinaryXmlSkipFileExport(file->getSource(),
data->data(), data->size(),
mContext->getDiagnostics());
} else {
xmlRes = xml::inflate(data->data(), data->size(), mContext->getDiagnostics(),
file->getSource());
}
if (!xmlRes) {
return 1;
}
// Create the file description header.
xmlRes->file = ResourceFile{
key.name.toResourceName(),
key.config,
fileToMerge.originalSource,
};
XmlReferenceLinker xmlLinker;
if (xmlLinker.consume(mContext, xmlRes.get())) {
if (!proguard::collectProguardRules(xmlRes->file.source, xmlRes.get(),
&proguardKeepSet)) {
error = true;
}
Maybe<size_t> maxSdkLevel;
if (!mOptions.noAutoVersion) {
maxSdkLevel = std::max<size_t>(xmlRes->file.config.sdkVersion, 1u);
}
if (!flattenXml(xmlRes.get(), fileToMerge.dstPath, maxSdkLevel,
archiveWriter.get())) {
error = true;
}
if (!mOptions.noAutoVersion) {
Maybe<ResourceTable::SearchResult> result = mFinalTable.findResource(
xmlRes->file.name);
for (int sdkLevel : xmlLinker.getSdkLevels()) {
if (sdkLevel > xmlRes->file.config.sdkVersion &&
shouldGenerateVersionedResource(result.value().entry,
xmlRes->file.config,
sdkLevel)) {
xmlRes->file.config.sdkVersion = sdkLevel;
std::string genResourcePath = ResourceUtils::buildResourceFileName(
xmlRes->file, mContext->getNameMangler());
bool added = mFinalTable.addFileReference(
xmlRes->file.name,
xmlRes->file.config,
xmlRes->file.source,
util::utf8ToUtf16(genResourcePath),
mContext->getDiagnostics());
if (!added) {
error = true;
continue;
}
if (!flattenXml(xmlRes.get(), genResourcePath, sdkLevel,
archiveWriter.get())) {
error = true;
}
}
}
}
} else {
error = true;
}
} else {
if (mOptions.verbose) {
mContext->getDiagnostics()->note(DiagMessage() << "copying " << path);
}
if (!copyFileToArchive(fileToMerge.file, fileToMerge.dstPath,
archiveWriter.get())) {
error = true;
}
}
}
if (error) {
mContext->getDiagnostics()->error(DiagMessage() << "failed linking file resources");
return 1;
}
if (!mOptions.noAutoVersion) {
AutoVersioner versioner;
if (!versioner.consume(mContext, &mFinalTable)) {
mContext->getDiagnostics()->error(DiagMessage() << "failed versioning styles");
return 1;
}
}
if (!flattenTable(&mFinalTable, archiveWriter.get())) {
mContext->getDiagnostics()->error(DiagMessage() << "failed to write resources.arsc");
return 1;
}
if (mOptions.generateJavaClassPath) {
JavaClassGeneratorOptions options;
options.types = JavaClassGeneratorOptions::SymbolTypes::kAll;
if (mOptions.staticLib || mOptions.generateNonFinalIds) {
options.useFinal = false;
}
const StringPiece16 actualPackage = mContext->getCompilationPackage();
StringPiece16 outputPackage = mContext->getCompilationPackage();
if (mOptions.customJavaPackage) {
// Override the output java package to the custom one.
outputPackage = mOptions.customJavaPackage.value();
}
if (mOptions.privateSymbols) {
// If we defined a private symbols package, we only emit Public symbols
// to the original package, and private and public symbols to the private package.
options.types = JavaClassGeneratorOptions::SymbolTypes::kPublic;
if (!writeJavaFile(&mFinalTable, mContext->getCompilationPackage(),
outputPackage, options)) {
return 1;
}
options.types = JavaClassGeneratorOptions::SymbolTypes::kPublicPrivate;
outputPackage = mOptions.privateSymbols.value();
}
if (!writeJavaFile(&mFinalTable, actualPackage, outputPackage, options)) {
return 1;
}
for (const std::u16string& extraPackage : mOptions.extraJavaPackages) {
if (!writeJavaFile(&mFinalTable, actualPackage, extraPackage, options)) {
return 1;
}
}
}
if (mOptions.generateProguardRulesPath) {
if (!writeProguardFile(proguardKeepSet)) {
return 1;
}
}
if (mOptions.verbose) {
Debug::printTable(&mFinalTable);
}
return 0;
}
private:
LinkOptions mOptions;
LinkContext* mContext;
ResourceTable mFinalTable;
ResourceTable mLocalFileTable;
std::unique_ptr<TableMerger> mTableMerger;
// A pointer to the FileCollection representing the filesystem (not archives).
io::FileCollection* mFileCollection;
// A vector of IFileCollections. This is mainly here to keep ownership of the collections.
std::vector<std::unique_ptr<io::IFileCollection>> mCollections;
};
int link(const std::vector<StringPiece>& args) {
LinkOptions options;
Maybe<std::string> privateSymbolsPackage;
Maybe<std::string> minSdkVersion, targetSdkVersion;
Maybe<std::string> renameManifestPackage, renameInstrumentationTargetPackage;
Maybe<std::string> versionCode, versionName;
Maybe<std::string> customJavaPackage;
std::vector<std::string> extraJavaPackages;
Maybe<std::string> configs;
bool legacyXFlag = false;
bool requireLocalization = false;
Flags flags = Flags()
.requiredFlag("-o", "Output path", &options.outputPath)
.requiredFlag("--manifest", "Path to the Android manifest to build",
&options.manifestPath)
.optionalFlagList("-I", "Adds an Android APK to link against", &options.includePaths)
.optionalFlagList("-R", "Compilation unit to link, using `overlay` semantics.\n"
"The last conflicting resource given takes precedence.",
&options.overlayFiles)
.optionalFlag("--java", "Directory in which to generate R.java",
&options.generateJavaClassPath)
.optionalFlag("--proguard", "Output file for generated Proguard rules",
&options.generateProguardRulesPath)
.optionalSwitch("--no-auto-version",
"Disables automatic style and layout SDK versioning",
&options.noAutoVersion)
.optionalSwitch("-x", "Legacy flag that specifies to use the package identifier 0x01",
&legacyXFlag)
.optionalSwitch("-z", "Require localization of strings marked 'suggested'",
&requireLocalization)
.optionalFlag("-c", "Comma separated list of configurations to include. The default\n"
"is all configurations", &configs)
.optionalSwitch("--output-to-dir", "Outputs the APK contents to a directory specified "
"by -o",
&options.outputToDirectory)
.optionalFlag("--min-sdk-version", "Default minimum SDK version to use for "
"AndroidManifest.xml", &minSdkVersion)
.optionalFlag("--target-sdk-version", "Default target SDK version to use for "
"AndroidManifest.xml", &targetSdkVersion)
.optionalFlag("--version-code", "Version code (integer) to inject into the "
"AndroidManifest.xml if none is present", &versionCode)
.optionalFlag("--version-name", "Version name to inject into the AndroidManifest.xml "
"if none is present", &versionName)
.optionalSwitch("--static-lib", "Generate a static Android library", &options.staticLib)
.optionalSwitch("--non-final-ids", "Generates R.java without the final modifier.\n"
"This is implied when --static-lib is specified.",
&options.generateNonFinalIds)
.optionalFlag("--private-symbols", "Package name to use when generating R.java for "
"private symbols.\n"
"If not specified, public and private symbols will use the application's "
"package name", &privateSymbolsPackage)
.optionalFlag("--custom-package", "Custom Java package under which to generate R.java",
&customJavaPackage)
.optionalFlagList("--extra-packages", "Generate the same R.java but with different "
"package names", &extraJavaPackages)
.optionalSwitch("--auto-add-overlay", "Allows the addition of new resources in "
"overlays without <add-resource> tags", &options.autoAddOverlay)
.optionalFlag("--rename-manifest-package", "Renames the package in AndroidManifest.xml",
&renameManifestPackage)
.optionalFlag("--rename-instrumentation-target-package",
"Changes the name of the target package for instrumentation. Most useful "
"when used\nin conjunction with --rename-manifest-package",
&renameInstrumentationTargetPackage)
.optionalFlagList("-0", "File extensions not to compress",
&options.extensionsToNotCompress)
.optionalSwitch("-v", "Enables verbose logging", &options.verbose);
if (!flags.parse("aapt2 link", args, &std::cerr)) {
return 1;
}
LinkContext context;
if (privateSymbolsPackage) {
options.privateSymbols = util::utf8ToUtf16(privateSymbolsPackage.value());
}
if (minSdkVersion) {
options.manifestFixerOptions.minSdkVersionDefault =
util::utf8ToUtf16(minSdkVersion.value());
}
if (targetSdkVersion) {
options.manifestFixerOptions.targetSdkVersionDefault =
util::utf8ToUtf16(targetSdkVersion.value());
}
if (renameManifestPackage) {
options.manifestFixerOptions.renameManifestPackage =
util::utf8ToUtf16(renameManifestPackage.value());
}
if (renameInstrumentationTargetPackage) {
options.manifestFixerOptions.renameInstrumentationTargetPackage =
util::utf8ToUtf16(renameInstrumentationTargetPackage.value());
}
if (versionCode) {
options.manifestFixerOptions.versionCodeDefault = util::utf8ToUtf16(versionCode.value());
}
if (versionName) {
options.manifestFixerOptions.versionNameDefault = util::utf8ToUtf16(versionName.value());
}
if (customJavaPackage) {
options.customJavaPackage = util::utf8ToUtf16(customJavaPackage.value());
}
// Populate the set of extra packages for which to generate R.java.
for (std::string& extraPackage : extraJavaPackages) {
// A given package can actually be a colon separated list of packages.
for (StringPiece package : util::split(extraPackage, ':')) {
options.extraJavaPackages.insert(util::utf8ToUtf16(package));
}
}
AxisConfigFilter filter;
if (configs) {
for (const StringPiece& configStr : util::tokenize<char>(configs.value(), ',')) {
ConfigDescription config;
LocaleValue lv;
if (lv.initFromFilterString(configStr)) {
lv.writeTo(&config);
} else if (!ConfigDescription::parse(configStr, &config)) {
context.getDiagnostics()->error(
DiagMessage() << "invalid config '" << configStr << "' for -c option");
return 1;
}
if (config.density != 0) {
context.getDiagnostics()->warn(
DiagMessage() << "ignoring density '" << config << "' for -c option");
} else {
filter.addConfig(config);
}
}
options.configFilter = &filter;
}
LinkCommand cmd(&context, options);
return cmd.run(flags.getArgs());
}
} // namespace aapt