diff options
Diffstat (limited to 'tools/aapt2/optimize')
-rw-r--r-- | tools/aapt2/optimize/MultiApkGenerator.cpp | 343 | ||||
-rw-r--r-- | tools/aapt2/optimize/MultiApkGenerator.h | 72 | ||||
-rw-r--r-- | tools/aapt2/optimize/MultiApkGenerator_test.cpp | 182 | ||||
-rw-r--r-- | tools/aapt2/optimize/VersionCollapser.cpp | 28 |
4 files changed, 608 insertions, 17 deletions
diff --git a/tools/aapt2/optimize/MultiApkGenerator.cpp b/tools/aapt2/optimize/MultiApkGenerator.cpp new file mode 100644 index 000000000000..991faadcafc4 --- /dev/null +++ b/tools/aapt2/optimize/MultiApkGenerator.cpp @@ -0,0 +1,343 @@ +/* + * Copyright (C) 2017 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 "MultiApkGenerator.h" + +#include <algorithm> +#include <regex> +#include <string> + +#include "androidfw/StringPiece.h" + +#include "LoadedApk.h" +#include "ResourceUtils.h" +#include "ValueVisitor.h" +#include "configuration/ConfigurationParser.h" +#include "filter/AbiFilter.h" +#include "filter/Filter.h" +#include "format/Archive.h" +#include "format/binary/XmlFlattener.h" +#include "optimize/VersionCollapser.h" +#include "process/IResourceTableConsumer.h" +#include "split/TableSplitter.h" +#include "util/Files.h" +#include "xml/XmlDom.h" +#include "xml/XmlUtil.h" + +namespace aapt { + +using ::aapt::configuration::AndroidSdk; +using ::aapt::configuration::OutputArtifact; +using ::aapt::xml::kSchemaAndroid; +using ::aapt::xml::XmlResource; +using ::android::StringPiece; + +/** + * Context wrapper that allows the min Android SDK value to be overridden. + */ +class ContextWrapper : public IAaptContext { + public: + explicit ContextWrapper(IAaptContext* context) + : context_(context), min_sdk_(context_->GetMinSdkVersion()) { + } + + PackageType GetPackageType() override { + return context_->GetPackageType(); + } + + SymbolTable* GetExternalSymbols() override { + return context_->GetExternalSymbols(); + } + + IDiagnostics* GetDiagnostics() override { + if (source_diag_) { + return source_diag_.get(); + } + return context_->GetDiagnostics(); + } + + const std::string& GetCompilationPackage() override { + return context_->GetCompilationPackage(); + } + + uint8_t GetPackageId() override { + return context_->GetPackageId(); + } + + NameMangler* GetNameMangler() override { + return context_->GetNameMangler(); + } + + bool IsVerbose() override { + return context_->IsVerbose(); + } + + int GetMinSdkVersion() override { + return min_sdk_; + } + + void SetMinSdkVersion(int min_sdk) { + min_sdk_ = min_sdk; + } + + void SetSource(const std::string& source) { + source_diag_ = + util::make_unique<SourcePathDiagnostics>(Source{source}, context_->GetDiagnostics()); + } + + private: + IAaptContext* context_; + std::unique_ptr<SourcePathDiagnostics> source_diag_; + + int min_sdk_ = -1; +}; + +class SignatureFilter : public IPathFilter { + bool Keep(const std::string& path) override { + static std::regex signature_regex(R"regex(^META-INF/.*\.(RSA|DSA|EC|SF)$)regex"); + if (std::regex_search(path, signature_regex)) { + return false; + } + return !(path == "META-INF/MANIFEST.MF"); + } +}; + +MultiApkGenerator::MultiApkGenerator(LoadedApk* apk, IAaptContext* context) + : apk_(apk), context_(context) { +} + +bool MultiApkGenerator::FromBaseApk(const MultiApkGeneratorOptions& options) { + std::unordered_set<std::string> artifacts_to_keep = options.kept_artifacts; + std::unordered_set<std::string> filtered_artifacts; + std::unordered_set<std::string> kept_artifacts; + + // For now, just write out the stripped APK since ABI splitting doesn't modify anything else. + for (const OutputArtifact& artifact : options.apk_artifacts) { + FilterChain filters; + + ContextWrapper wrapped_context{context_}; + wrapped_context.SetSource(artifact.name); + + if (!options.kept_artifacts.empty()) { + const auto& it = artifacts_to_keep.find(artifact.name); + if (it == artifacts_to_keep.end()) { + filtered_artifacts.insert(artifact.name); + if (context_->IsVerbose()) { + context_->GetDiagnostics()->Note(DiagMessage(artifact.name) << "skipping artifact"); + } + continue; + } else { + artifacts_to_keep.erase(it); + kept_artifacts.insert(artifact.name); + } + } + + std::unique_ptr<ResourceTable> table = + FilterTable(context_, artifact, *apk_->GetResourceTable(), &filters); + if (!table) { + return false; + } + + IDiagnostics* diag = wrapped_context.GetDiagnostics(); + + std::unique_ptr<XmlResource> manifest; + if (!UpdateManifest(artifact, &manifest, diag)) { + diag->Error(DiagMessage() << "could not update AndroidManifest.xml for output artifact"); + return false; + } + + std::string out = options.out_dir; + if (!file::mkdirs(out)) { + diag->Warn(DiagMessage() << "could not create out dir: " << out); + } + file::AppendPath(&out, artifact.name); + + if (context_->IsVerbose()) { + diag->Note(DiagMessage() << "Generating split: " << out); + } + + std::unique_ptr<IArchiveWriter> writer = CreateZipFileArchiveWriter(diag, out); + + if (context_->IsVerbose()) { + diag->Note(DiagMessage() << "Writing output: " << out); + } + + filters.AddFilter(util::make_unique<SignatureFilter>()); + if (!apk_->WriteToArchive(&wrapped_context, table.get(), options.table_flattener_options, + &filters, writer.get(), manifest.get())) { + return false; + } + } + + // Make sure all of the requested artifacts were valid. If there are any kept artifacts left, + // either the config or the command line was wrong. + if (!artifacts_to_keep.empty()) { + context_->GetDiagnostics()->Error( + DiagMessage() << "The configuration and command line to filter artifacts do not match"); + + context_->GetDiagnostics()->Error(DiagMessage() << kept_artifacts.size() << " kept:"); + for (const auto& artifact : kept_artifacts) { + context_->GetDiagnostics()->Error(DiagMessage() << " " << artifact); + } + + context_->GetDiagnostics()->Error(DiagMessage() << filtered_artifacts.size() << " filtered:"); + for (const auto& artifact : filtered_artifacts) { + context_->GetDiagnostics()->Error(DiagMessage() << " " << artifact); + } + + context_->GetDiagnostics()->Error(DiagMessage() << artifacts_to_keep.size() << " missing:"); + for (const auto& artifact : artifacts_to_keep) { + context_->GetDiagnostics()->Error(DiagMessage() << " " << artifact); + } + + return false; + } + + return true; +} + +std::unique_ptr<ResourceTable> MultiApkGenerator::FilterTable(IAaptContext* context, + const OutputArtifact& artifact, + const ResourceTable& old_table, + FilterChain* filters) { + TableSplitterOptions splits; + AxisConfigFilter axis_filter; + ContextWrapper wrapped_context{context}; + wrapped_context.SetSource(artifact.name); + + if (!artifact.abis.empty()) { + filters->AddFilter(AbiFilter::FromAbiList(artifact.abis)); + } + + if (!artifact.screen_densities.empty()) { + for (const auto& density_config : artifact.screen_densities) { + splits.preferred_densities.push_back(density_config.density); + } + } + + if (!artifact.locales.empty()) { + for (const auto& locale : artifact.locales) { + axis_filter.AddConfig(locale); + } + splits.config_filter = &axis_filter; + } + + if (artifact.android_sdk) { + wrapped_context.SetMinSdkVersion(artifact.android_sdk.value().min_sdk_version); + } + + std::unique_ptr<ResourceTable> table = old_table.Clone(); + + VersionCollapser collapser; + if (!collapser.Consume(&wrapped_context, table.get())) { + context->GetDiagnostics()->Error(DiagMessage() << "Failed to strip versioned resources"); + return {}; + } + + TableSplitter splitter{{}, splits}; + splitter.SplitTable(table.get()); + return table; +} + +bool MultiApkGenerator::UpdateManifest(const OutputArtifact& artifact, + std::unique_ptr<XmlResource>* updated_manifest, + IDiagnostics* diag) { + const xml::XmlResource* apk_manifest = apk_->GetManifest(); + if (apk_manifest == nullptr) { + return false; + } + + *updated_manifest = apk_manifest->Clone(); + XmlResource* manifest = updated_manifest->get(); + + // Make sure the first element is <manifest> with package attribute. + xml::Element* manifest_el = manifest->root.get(); + if (manifest_el == nullptr) { + return false; + } + + if (!manifest_el->namespace_uri.empty() || manifest_el->name != "manifest") { + diag->Error(DiagMessage(manifest->file.source) << "root tag must be <manifest>"); + return false; + } + + // Update the versionCode attribute. + xml::Attribute* versionCode = manifest_el->FindAttribute(kSchemaAndroid, "versionCode"); + if (versionCode == nullptr) { + diag->Error(DiagMessage(manifest->file.source) << "manifest must have a versionCode attribute"); + return false; + } + + auto* compiled_version = ValueCast<BinaryPrimitive>(versionCode->compiled_value.get()); + if (compiled_version == nullptr) { + diag->Error(DiagMessage(manifest->file.source) << "versionCode is invalid"); + return false; + } + + int new_version = compiled_version->value.data + artifact.version; + versionCode->compiled_value = ResourceUtils::TryParseInt(std::to_string(new_version)); + + // Check to see if the minSdkVersion needs to be updated. + if (artifact.android_sdk) { + // TODO(safarmer): Handle the rest of the Android SDK. + const AndroidSdk& android_sdk = artifact.android_sdk.value(); + + if (xml::Element* uses_sdk_el = manifest_el->FindChild({}, "uses-sdk")) { + if (xml::Attribute* min_sdk_attr = + uses_sdk_el->FindAttribute(xml::kSchemaAndroid, "minSdkVersion")) { + // Populate with a pre-compiles attribute to we don't need to relink etc. + const std::string& min_sdk_str = std::to_string(android_sdk.min_sdk_version); + min_sdk_attr->compiled_value = ResourceUtils::TryParseInt(min_sdk_str); + } else { + // There was no minSdkVersion. This is strange since at this point we should have been + // through the manifest fixer which sets the default minSdkVersion. + diag->Error(DiagMessage(manifest->file.source) << "missing minSdkVersion from <uses-sdk>"); + return false; + } + } else { + // No uses-sdk present. This is strange since at this point we should have been + // through the manifest fixer which should have added it. + diag->Error(DiagMessage(manifest->file.source) << "missing <uses-sdk> from <manifest>"); + return false; + } + } + + if (!artifact.screen_densities.empty()) { + xml::Element* screens_el = manifest_el->FindChild({}, "compatible-screens"); + if (!screens_el) { + // create a new element. + std::unique_ptr<xml::Element> new_screens_el = util::make_unique<xml::Element>(); + new_screens_el->name = "compatible-screens"; + screens_el = new_screens_el.get(); + manifest_el->InsertChild(0, std::move(new_screens_el)); + } else { + // clear out the old element. + screens_el->GetChildElements().clear(); + } + + for (const auto& density : artifact.screen_densities) { + std::unique_ptr<xml::Element> screen_el = util::make_unique<xml::Element>(); + screen_el->name = "screen"; + const char* density_str = density.toString().string(); + screen_el->attributes.push_back(xml::Attribute{kSchemaAndroid, "screenDensity", density_str}); + screens_el->AppendChild(std::move(screen_el)); + } + } + + return true; +} + +} // namespace aapt diff --git a/tools/aapt2/optimize/MultiApkGenerator.h b/tools/aapt2/optimize/MultiApkGenerator.h new file mode 100644 index 000000000000..19f64cc0e588 --- /dev/null +++ b/tools/aapt2/optimize/MultiApkGenerator.h @@ -0,0 +1,72 @@ +/* + * Copyright (C) 2017 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. + */ + +#ifndef AAPT2_APKSPLITTER_H +#define AAPT2_APKSPLITTER_H + +#include <memory> +#include <string> +#include <unordered_set> +#include <vector> + +#include "Diagnostics.h" +#include "LoadedApk.h" +#include "configuration/ConfigurationParser.h" + +namespace aapt { + +struct MultiApkGeneratorOptions { + std::string out_dir; + std::vector<configuration::OutputArtifact> apk_artifacts; + TableFlattenerOptions table_flattener_options; + std::unordered_set<std::string> kept_artifacts; +}; + +/** + * Generates a set of APKs that are a subset of the original base APKs. Each of the new APKs contain + * only the resources and assets for an artifact in the configuration file. + */ +class MultiApkGenerator { + public: + MultiApkGenerator(LoadedApk* apk, IAaptContext* context); + + /** + * Writes a set of APKs to the provided output directory. Each APK is a subset fo the base APK and + * represents an artifact in the post processing configuration. + */ + bool FromBaseApk(const MultiApkGeneratorOptions& options); + + protected: + virtual std::unique_ptr<ResourceTable> FilterTable(IAaptContext* context, + const configuration::OutputArtifact& artifact, + const ResourceTable& old_table, + FilterChain* chain); + + private: + IDiagnostics* GetDiagnostics() { + return context_->GetDiagnostics(); + } + + bool UpdateManifest(const configuration::OutputArtifact& artifact, + std::unique_ptr<xml::XmlResource>* updated_manifest, IDiagnostics* diag); + + LoadedApk* apk_; + IAaptContext* context_; +}; + +} // namespace aapt + +#endif // AAPT2_APKSPLITTER_H diff --git a/tools/aapt2/optimize/MultiApkGenerator_test.cpp b/tools/aapt2/optimize/MultiApkGenerator_test.cpp new file mode 100644 index 000000000000..e1d951fc9776 --- /dev/null +++ b/tools/aapt2/optimize/MultiApkGenerator_test.cpp @@ -0,0 +1,182 @@ +/* + * Copyright (C) 2017 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 "optimize/MultiApkGenerator.h" + +#include <string> + +#include "gmock/gmock.h" +#include "gtest/gtest.h" + +#include "LoadedApk.h" +#include "ResourceTable.h" +#include "configuration/ConfigurationParser.h" +#include "filter/Filter.h" +#include "format/Archive.h" +#include "format/binary/TableFlattener.h" +#include "process/IResourceTableConsumer.h" +#include "test/Context.h" +#include "test/Test.h" + +namespace aapt { +namespace { + +using ::aapt::configuration::Abi; +using ::aapt::configuration::AndroidSdk; +using ::aapt::configuration::OutputArtifact; +using ::aapt::test::GetValue; +using ::aapt::test::GetValueForConfig; +using ::aapt::test::ParseConfigOrDie; +using ::testing::Eq; +using ::testing::IsNull; +using ::testing::Not; +using ::testing::NotNull; +using ::testing::PrintToString; +using ::testing::Return; +using ::testing::Test; + +/** + * Subclass the MultiApkGenerator class so that we can access the protected FilterTable method to + * directly test table filter. + */ +class MultiApkGeneratorWrapper : public MultiApkGenerator { + public: + MultiApkGeneratorWrapper(LoadedApk* apk, IAaptContext* context) + : MultiApkGenerator(apk, context) { + } + + std::unique_ptr<ResourceTable> FilterTable(IAaptContext* context, + const configuration::OutputArtifact& artifact, + const ResourceTable& old_table, + FilterChain* filter_chain) override { + return MultiApkGenerator::FilterTable(context, artifact, old_table, filter_chain); + } +}; + +/** MultiApkGenerator test fixture. */ +class MultiApkGeneratorTest : public ::testing::Test { + public: + std::unique_ptr<ResourceTable> BuildTable() { + return test::ResourceTableBuilder() + .AddFileReference(kResourceName, "res/drawable-mdpi/icon.png", mdpi_) + .AddFileReference(kResourceName, "res/drawable-hdpi/icon.png", hdpi_) + .AddFileReference(kResourceName, "res/drawable-xhdpi/icon.png", xhdpi_) + .AddFileReference(kResourceName, "res/drawable-xxhdpi/icon.png", xxhdpi_) + .AddFileReference(kResourceName, "res/drawable-v19/icon.xml", v19_) + .AddFileReference(kResourceName, "res/drawable-v21/icon.xml", v21_) + .AddSimple("android:string/one") + .Build(); + } + + inline FileReference* ValueForConfig(ResourceTable* table, const ConfigDescription& config) { + return GetValueForConfig<FileReference>(table, kResourceName, config); + }; + + void SetUp() override { + } + + protected: + static constexpr const char* kResourceName = "android:drawable/icon"; + + ConfigDescription default_ = ParseConfigOrDie("").CopyWithoutSdkVersion(); + ConfigDescription mdpi_ = ParseConfigOrDie("mdpi").CopyWithoutSdkVersion(); + ConfigDescription hdpi_ = ParseConfigOrDie("hdpi").CopyWithoutSdkVersion(); + ConfigDescription xhdpi_ = ParseConfigOrDie("xhdpi").CopyWithoutSdkVersion(); + ConfigDescription xxhdpi_ = ParseConfigOrDie("xxhdpi").CopyWithoutSdkVersion(); + ConfigDescription xxxhdpi_ = ParseConfigOrDie("xxxhdpi").CopyWithoutSdkVersion(); + ConfigDescription v19_ = ParseConfigOrDie("v19"); + ConfigDescription v21_ = ParseConfigOrDie("v21"); +}; + +TEST_F(MultiApkGeneratorTest, VersionFilterNewerVersion) { + std::unique_ptr<ResourceTable> table = BuildTable(); + + LoadedApk apk = {{"test.apk"}, {}, std::move(table), {}}; + std::unique_ptr<IAaptContext> ctx = test::ContextBuilder().SetMinSdkVersion(19).Build(); + FilterChain chain; + + OutputArtifact artifact = test::ArtifactBuilder().AddDensity(xhdpi_).SetAndroidSdk(23).Build(); + + MultiApkGeneratorWrapper generator{&apk, ctx.get()}; + std::unique_ptr<ResourceTable> split = + generator.FilterTable(ctx.get(), artifact, *apk.GetResourceTable(), &chain); + + ResourceTable* new_table = split.get(); + EXPECT_THAT(ValueForConfig(new_table, mdpi_), IsNull()); + EXPECT_THAT(ValueForConfig(new_table, hdpi_), IsNull()); + EXPECT_THAT(ValueForConfig(new_table, xxhdpi_), IsNull()); + EXPECT_THAT(ValueForConfig(new_table, xxxhdpi_), IsNull()); + EXPECT_THAT(ValueForConfig(new_table, v19_), IsNull()); + + // xhdpi directly matches one of the required dimensions. + EXPECT_THAT(ValueForConfig(new_table, xhdpi_), NotNull()); + // drawable-v21 was converted to drawable. + EXPECT_THAT(ValueForConfig(new_table, default_), NotNull()); + EXPECT_THAT(GetValue<Id>(new_table, "android:string/one"), NotNull()); +} + +TEST_F(MultiApkGeneratorTest, VersionFilterOlderVersion) { + std::unique_ptr<ResourceTable> table = BuildTable(); + + LoadedApk apk = {{"test.apk"}, {}, std::move(table), {}}; + std::unique_ptr<IAaptContext> ctx = test::ContextBuilder().SetMinSdkVersion(1).Build(); + FilterChain chain; + + OutputArtifact artifact = test::ArtifactBuilder().AddDensity(xhdpi_).SetAndroidSdk(4).Build(); + + MultiApkGeneratorWrapper generator{&apk, ctx.get()};; + std::unique_ptr<ResourceTable> split = + generator.FilterTable(ctx.get(), artifact, *apk.GetResourceTable(), &chain); + + ResourceTable* new_table = split.get(); + EXPECT_THAT(ValueForConfig(new_table, mdpi_), IsNull()); + EXPECT_THAT(ValueForConfig(new_table, hdpi_), IsNull()); + EXPECT_THAT(ValueForConfig(new_table, xxhdpi_), IsNull()); + EXPECT_THAT(ValueForConfig(new_table, xxxhdpi_), IsNull()); + + EXPECT_THAT(ValueForConfig(new_table, xhdpi_), NotNull()); + EXPECT_THAT(ValueForConfig(new_table, v19_), NotNull()); + EXPECT_THAT(ValueForConfig(new_table, v21_), NotNull()); + EXPECT_THAT(GetValue<Id>(new_table, "android:string/one"), NotNull()); +} + +TEST_F(MultiApkGeneratorTest, VersionFilterNoVersion) { + std::unique_ptr<ResourceTable> table = BuildTable(); + + LoadedApk apk = {{"test.apk"}, {}, std::move(table), {}}; + std::unique_ptr<IAaptContext> ctx = test::ContextBuilder().SetMinSdkVersion(1).Build(); + FilterChain chain; + + OutputArtifact artifact = test::ArtifactBuilder().AddDensity(xhdpi_).Build(); + + MultiApkGeneratorWrapper generator{&apk, ctx.get()}; + std::unique_ptr<ResourceTable> split = + generator.FilterTable(ctx.get(), artifact, *apk.GetResourceTable(), &chain); + + ResourceTable* new_table = split.get(); + EXPECT_THAT(ValueForConfig(new_table, mdpi_), IsNull()); + EXPECT_THAT(ValueForConfig(new_table, hdpi_), IsNull()); + EXPECT_THAT(ValueForConfig(new_table, xxhdpi_), IsNull()); + EXPECT_THAT(ValueForConfig(new_table, xxxhdpi_), IsNull()); + + EXPECT_THAT(ValueForConfig(new_table, xhdpi_), NotNull()); + EXPECT_THAT(ValueForConfig(new_table, v19_), NotNull()); + EXPECT_THAT(ValueForConfig(new_table, v21_), NotNull()); + EXPECT_THAT(GetValue<Id>(new_table, "android:string/one"), NotNull()); +} + +} // namespace +} // namespace aapt diff --git a/tools/aapt2/optimize/VersionCollapser.cpp b/tools/aapt2/optimize/VersionCollapser.cpp index d941b487e439..cc1fc1e6910b 100644 --- a/tools/aapt2/optimize/VersionCollapser.cpp +++ b/tools/aapt2/optimize/VersionCollapser.cpp @@ -63,11 +63,9 @@ FilterIterator<Iterator, Pred> make_filter_iterator(Iterator begin, } /** - * Every Configuration with an SDK version specified that is less than minSdk - * will be removed. - * The exception is when there is no exact matching resource for the minSdk. The - * next smallest - * one will be kept. + * Every Configuration with an SDK version specified that is less than minSdk will be removed. The + * exception is when there is no exact matching resource for the minSdk. The next smallest one will + * be kept. */ static void CollapseVersions(int min_sdk, ResourceEntry* entry) { // First look for all sdks less than minSdk. @@ -80,11 +78,9 @@ static void CollapseVersions(int min_sdk, ResourceEntry* entry) { const ConfigDescription& config = (*iter)->config; if (config.sdkVersion <= min_sdk) { - // This is the first configuration we've found with a smaller or equal SDK - // level - // to the minimum. We MUST keep this one, but remove all others we find, - // which get - // overridden by this one. + // This is the first configuration we've found with a smaller or equal SDK level to the + // minimum. We MUST keep this one, but remove all others we find, which get overridden by this + // one. ConfigDescription config_without_sdk = config.CopyWithoutSdkVersion(); auto pred = [&](const std::unique_ptr<ResourceConfigValue>& val) -> bool { @@ -115,11 +111,9 @@ static void CollapseVersions(int min_sdk, ResourceEntry* entry) { -> bool { return val == nullptr; }), entry->values.end()); - // Strip the version qualifiers for every resource with version <= minSdk. - // This will ensure - // that the resource entries are all packed together in the same ResTable_type - // struct - // and take up less space in the resources.arsc table. + // Strip the version qualifiers for every resource with version <= minSdk. This will ensure that + // the resource entries are all packed together in the same ResTable_type struct and take up less + // space in the resources.arsc table. bool modified = false; for (std::unique_ptr<ResourceConfigValue>& config_value : entry->values) { if (config_value->config.sdkVersion != 0 && @@ -137,8 +131,8 @@ static void CollapseVersions(int min_sdk, ResourceEntry* entry) { } if (modified) { - // We've modified the keys (ConfigDescription) by changing the sdkVersion to - // 0. We MUST re-sort to ensure ordering guarantees hold. + // We've modified the keys (ConfigDescription) by changing the sdkVersion to 0. We MUST re-sort + // to ensure ordering guarantees hold. std::sort(entry->values.begin(), entry->values.end(), [](const std::unique_ptr<ResourceConfigValue>& a, const std::unique_ptr<ResourceConfigValue>& b) -> bool { |