|  | /* | 
|  | * 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 "Compile.h" | 
|  |  | 
|  | #include <dirent.h> | 
|  | #include <string> | 
|  |  | 
|  | #include "android-base/errors.h" | 
|  | #include "android-base/file.h" | 
|  | #include "android-base/utf8.h" | 
|  | #include "androidfw/ConfigDescription.h" | 
|  | #include "androidfw/StringPiece.h" | 
|  | #include "google/protobuf/io/coded_stream.h" | 
|  | #include "google/protobuf/io/zero_copy_stream_impl_lite.h" | 
|  |  | 
|  | #include "Diagnostics.h" | 
|  | #include "ResourceParser.h" | 
|  | #include "ResourceTable.h" | 
|  | #include "cmd/Util.h" | 
|  | #include "compile/IdAssigner.h" | 
|  | #include "compile/InlineXmlFormatParser.h" | 
|  | #include "compile/Png.h" | 
|  | #include "compile/PseudolocaleGenerator.h" | 
|  | #include "compile/XmlIdCollector.h" | 
|  | #include "format/Archive.h" | 
|  | #include "format/Container.h" | 
|  | #include "format/proto/ProtoSerialize.h" | 
|  | #include "io/BigBufferStream.h" | 
|  | #include "io/FileStream.h" | 
|  | #include "io/FileSystem.h" | 
|  | #include "io/StringStream.h" | 
|  | #include "io/Util.h" | 
|  | #include "io/ZipArchive.h" | 
|  | #include "trace/TraceBuffer.h" | 
|  | #include "util/Files.h" | 
|  | #include "util/Maybe.h" | 
|  | #include "util/Util.h" | 
|  | #include "xml/XmlDom.h" | 
|  | #include "xml/XmlPullParser.h" | 
|  |  | 
|  | using ::aapt::io::FileInputStream; | 
|  | using ::aapt::text::Printer; | 
|  | using ::android::ConfigDescription; | 
|  | using ::android::StringPiece; | 
|  | using ::android::base::SystemErrorCodeToString; | 
|  | using ::google::protobuf::io::CopyingOutputStreamAdaptor; | 
|  |  | 
|  | namespace aapt { | 
|  |  | 
|  | struct ResourcePathData { | 
|  | Source source; | 
|  | std::string resource_dir; | 
|  | std::string name; | 
|  | std::string extension; | 
|  |  | 
|  | // Original config str. We keep this because when we parse the config, we may add on | 
|  | // version qualifiers. We want to preserve the original input so the output is easily | 
|  | // computed before hand. | 
|  | std::string config_str; | 
|  | ConfigDescription config; | 
|  | }; | 
|  |  | 
|  | // Resource file paths are expected to look like: [--/res/]type[-config]/name | 
|  | static Maybe<ResourcePathData> ExtractResourcePathData(const std::string& path, const char dir_sep, | 
|  | std::string* out_error) { | 
|  | std::vector<std::string> parts = util::Split(path, dir_sep); | 
|  | if (parts.size() < 2) { | 
|  | if (out_error) *out_error = "bad resource path"; | 
|  | return {}; | 
|  | } | 
|  |  | 
|  | std::string& dir = parts[parts.size() - 2]; | 
|  | StringPiece dir_str = dir; | 
|  |  | 
|  | StringPiece config_str; | 
|  | ConfigDescription config; | 
|  | size_t dash_pos = dir.find('-'); | 
|  | if (dash_pos != std::string::npos) { | 
|  | config_str = dir_str.substr(dash_pos + 1, dir.size() - (dash_pos + 1)); | 
|  | if (!ConfigDescription::Parse(config_str, &config)) { | 
|  | if (out_error) { | 
|  | std::stringstream err_str; | 
|  | err_str << "invalid configuration '" << config_str << "'"; | 
|  | *out_error = err_str.str(); | 
|  | } | 
|  | return {}; | 
|  | } | 
|  | dir_str = dir_str.substr(0, dash_pos); | 
|  | } | 
|  |  | 
|  | std::string& filename = parts[parts.size() - 1]; | 
|  | StringPiece name = filename; | 
|  | StringPiece extension; | 
|  |  | 
|  | const std::string kNinePng = ".9.png"; | 
|  | if (filename.size() > kNinePng.size() | 
|  | && std::equal(kNinePng.rbegin(), kNinePng.rend(), filename.rbegin())) { | 
|  | // Split on .9.png if this extension is present at the end of the file path | 
|  | name = name.substr(0, filename.size() - kNinePng.size()); | 
|  | extension = "9.png"; | 
|  | } else { | 
|  | // Split on the last period occurrence | 
|  | size_t dot_pos = filename.rfind('.'); | 
|  | if (dot_pos != std::string::npos) { | 
|  | extension = name.substr(dot_pos + 1, filename.size() - (dot_pos + 1)); | 
|  | name = name.substr(0, dot_pos); | 
|  | } | 
|  | } | 
|  |  | 
|  | return ResourcePathData{Source(path),          dir_str.to_string(),    name.to_string(), | 
|  | extension.to_string(), config_str.to_string(), config}; | 
|  | } | 
|  |  | 
|  | static std::string BuildIntermediateContainerFilename(const ResourcePathData& data) { | 
|  | std::stringstream name; | 
|  | name << data.resource_dir; | 
|  | if (!data.config_str.empty()) { | 
|  | name << "-" << data.config_str; | 
|  | } | 
|  | name << "_" << data.name; | 
|  | if (!data.extension.empty()) { | 
|  | name << "." << data.extension; | 
|  | } | 
|  | name << ".flat"; | 
|  | return name.str(); | 
|  | } | 
|  |  | 
|  | static bool CompileTable(IAaptContext* context, const CompileOptions& options, | 
|  | const ResourcePathData& path_data, io::IFile* file, IArchiveWriter* writer, | 
|  | const std::string& output_path) { | 
|  | TRACE_CALL(); | 
|  | // Filenames starting with "donottranslate" are not localizable | 
|  | bool translatable_file = path_data.name.find("donottranslate") != 0; | 
|  | ResourceTable table; | 
|  | { | 
|  | auto fin = file->OpenInputStream(); | 
|  | if (fin->HadError()) { | 
|  | context->GetDiagnostics()->Error(DiagMessage(path_data.source) | 
|  | << "failed to open file: " << fin->GetError()); | 
|  | return false; | 
|  | } | 
|  |  | 
|  | // Parse the values file from XML. | 
|  | xml::XmlPullParser xml_parser(fin.get()); | 
|  |  | 
|  | ResourceParserOptions parser_options; | 
|  | parser_options.error_on_positional_arguments = !options.legacy_mode; | 
|  | parser_options.preserve_visibility_of_styleables = options.preserve_visibility_of_styleables; | 
|  | parser_options.translatable = translatable_file; | 
|  |  | 
|  | // If visibility was forced, we need to use it when creating a new resource and also error if | 
|  | // we try to parse the <public>, <public-group>, <java-symbol> or <symbol> tags. | 
|  | parser_options.visibility = options.visibility; | 
|  |  | 
|  | ResourceParser res_parser(context->GetDiagnostics(), &table, path_data.source, path_data.config, | 
|  | parser_options); | 
|  | if (!res_parser.Parse(&xml_parser)) { | 
|  | return false; | 
|  | } | 
|  | } | 
|  |  | 
|  | if (options.pseudolocalize && translatable_file) { | 
|  | // Generate pseudo-localized strings (en-XA and ar-XB). | 
|  | // These are created as weak symbols, and are only generated from default | 
|  | // configuration | 
|  | // strings and plurals. | 
|  | PseudolocaleGenerator pseudolocale_generator; | 
|  | if (!pseudolocale_generator.Consume(context, &table)) { | 
|  | return false; | 
|  | } | 
|  | } | 
|  |  | 
|  | // Ensure we have the compilation package at least. | 
|  | table.CreatePackage(context->GetCompilationPackage()); | 
|  |  | 
|  | // Assign an ID to any package that has resources. | 
|  | for (auto& pkg : table.packages) { | 
|  | if (!pkg->id) { | 
|  | // If no package ID was set while parsing (public identifiers), auto assign an ID. | 
|  | pkg->id = context->GetPackageId(); | 
|  | } | 
|  | } | 
|  |  | 
|  | // Create the file/zip entry. | 
|  | if (!writer->StartEntry(output_path, 0)) { | 
|  | context->GetDiagnostics()->Error(DiagMessage(output_path) << "failed to open"); | 
|  | return false; | 
|  | } | 
|  |  | 
|  | // Make sure CopyingOutputStreamAdaptor is deleted before we call writer->FinishEntry(). | 
|  | { | 
|  | // Wrap our IArchiveWriter with an adaptor that implements the ZeroCopyOutputStream interface. | 
|  | CopyingOutputStreamAdaptor copying_adaptor(writer); | 
|  | ContainerWriter container_writer(©ing_adaptor, 1u); | 
|  |  | 
|  | pb::ResourceTable pb_table; | 
|  | SerializeTableToPb(table, &pb_table, context->GetDiagnostics()); | 
|  | if (!container_writer.AddResTableEntry(pb_table)) { | 
|  | context->GetDiagnostics()->Error(DiagMessage(output_path) << "failed to write"); | 
|  | return false; | 
|  | } | 
|  | } | 
|  |  | 
|  | if (!writer->FinishEntry()) { | 
|  | context->GetDiagnostics()->Error(DiagMessage(output_path) << "failed to finish entry"); | 
|  | return false; | 
|  | } | 
|  |  | 
|  | if (options.generate_text_symbols_path) { | 
|  | io::FileOutputStream fout_text(options.generate_text_symbols_path.value()); | 
|  |  | 
|  | if (fout_text.HadError()) { | 
|  | context->GetDiagnostics()->Error(DiagMessage() | 
|  | << "failed writing to'" | 
|  | << options.generate_text_symbols_path.value() | 
|  | << "': " << fout_text.GetError()); | 
|  | return false; | 
|  | } | 
|  |  | 
|  | Printer r_txt_printer(&fout_text); | 
|  | for (const auto& package : table.packages) { | 
|  | // Only print resources defined locally, e.g. don't write android attributes. | 
|  | if (package->name.empty()) { | 
|  | for (const auto& type : package->types) { | 
|  | for (const auto& entry : type->entries) { | 
|  | // Check access modifiers. | 
|  | switch (entry->visibility.level) { | 
|  | case Visibility::Level::kUndefined : | 
|  | r_txt_printer.Print("default "); | 
|  | break; | 
|  | case Visibility::Level::kPublic : | 
|  | r_txt_printer.Print("public "); | 
|  | break; | 
|  | case Visibility::Level::kPrivate : | 
|  | r_txt_printer.Print("private "); | 
|  | } | 
|  |  | 
|  | if (type->type != ResourceType::kStyleable) { | 
|  | r_txt_printer.Print("int "); | 
|  | r_txt_printer.Print(to_string(type->type)); | 
|  | r_txt_printer.Print(" "); | 
|  | r_txt_printer.Println(entry->name); | 
|  | } else { | 
|  | r_txt_printer.Print("int[] styleable "); | 
|  | r_txt_printer.Println(entry->name); | 
|  |  | 
|  | if (!entry->values.empty()) { | 
|  | auto styleable = | 
|  | static_cast<const Styleable*>(entry->values.front()->value.get()); | 
|  | for (const auto& attr : styleable->entries) { | 
|  | // The visibility of the children under the styleable does not matter as they are | 
|  | // nested under their parent and use its visibility. | 
|  | r_txt_printer.Print("default int styleable "); | 
|  | r_txt_printer.Print(entry->name); | 
|  | // If the package name is present, also include it in the mangled name (e.g. | 
|  | // "android") | 
|  | if (!attr.name.value().package.empty()) { | 
|  | r_txt_printer.Print("_"); | 
|  | r_txt_printer.Print(MakePackageSafeName(attr.name.value().package)); | 
|  | } | 
|  | r_txt_printer.Print("_"); | 
|  | r_txt_printer.Println(attr.name.value().entry); | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | return true; | 
|  | } | 
|  |  | 
|  | static bool WriteHeaderAndDataToWriter(const StringPiece& output_path, const ResourceFile& file, | 
|  | io::KnownSizeInputStream* in, IArchiveWriter* writer, | 
|  | IDiagnostics* diag) { | 
|  | TRACE_CALL(); | 
|  | // Start the entry so we can write the header. | 
|  | if (!writer->StartEntry(output_path, 0)) { | 
|  | diag->Error(DiagMessage(output_path) << "failed to open file"); | 
|  | return false; | 
|  | } | 
|  |  | 
|  | // Make sure CopyingOutputStreamAdaptor is deleted before we call writer->FinishEntry(). | 
|  | { | 
|  | // Wrap our IArchiveWriter with an adaptor that implements the ZeroCopyOutputStream interface. | 
|  | CopyingOutputStreamAdaptor copying_adaptor(writer); | 
|  | ContainerWriter container_writer(©ing_adaptor, 1u); | 
|  |  | 
|  | pb::internal::CompiledFile pb_compiled_file; | 
|  | SerializeCompiledFileToPb(file, &pb_compiled_file); | 
|  |  | 
|  | if (!container_writer.AddResFileEntry(pb_compiled_file, in)) { | 
|  | diag->Error(DiagMessage(output_path) << "failed to write entry data"); | 
|  | return false; | 
|  | } | 
|  | } | 
|  |  | 
|  | if (!writer->FinishEntry()) { | 
|  | diag->Error(DiagMessage(output_path) << "failed to finish writing data"); | 
|  | return false; | 
|  | } | 
|  | return true; | 
|  | } | 
|  |  | 
|  | static bool FlattenXmlToOutStream(const StringPiece& output_path, const xml::XmlResource& xmlres, | 
|  | ContainerWriter* container_writer, IDiagnostics* diag) { | 
|  | pb::internal::CompiledFile pb_compiled_file; | 
|  | SerializeCompiledFileToPb(xmlres.file, &pb_compiled_file); | 
|  |  | 
|  | pb::XmlNode pb_xml_node; | 
|  | SerializeXmlToPb(*xmlres.root, &pb_xml_node); | 
|  |  | 
|  | std::string serialized_xml = pb_xml_node.SerializeAsString(); | 
|  | io::StringInputStream serialized_in(serialized_xml); | 
|  |  | 
|  | if (!container_writer->AddResFileEntry(pb_compiled_file, &serialized_in)) { | 
|  | diag->Error(DiagMessage(output_path) << "failed to write entry data"); | 
|  | return false; | 
|  | } | 
|  | return true; | 
|  | } | 
|  |  | 
|  | static bool IsValidFile(IAaptContext* context, const std::string& input_path) { | 
|  | const file::FileType file_type = file::GetFileType(input_path); | 
|  | if (file_type != file::FileType::kRegular && file_type != file::FileType::kSymlink) { | 
|  | if (file_type == file::FileType::kDirectory) { | 
|  | context->GetDiagnostics()->Error(DiagMessage(input_path) | 
|  | << "resource file cannot be a directory"); | 
|  | } else if (file_type == file::FileType::kNonexistant) { | 
|  | context->GetDiagnostics()->Error(DiagMessage(input_path) << "file not found"); | 
|  | } else { | 
|  | context->GetDiagnostics()->Error(DiagMessage(input_path) | 
|  | << "not a valid resource file"); | 
|  | } | 
|  | return false; | 
|  | } | 
|  | return true; | 
|  | } | 
|  |  | 
|  | static bool CompileXml(IAaptContext* context, const CompileOptions& options, | 
|  | const ResourcePathData& path_data, io::IFile* file, IArchiveWriter* writer, | 
|  | const std::string& output_path) { | 
|  | TRACE_CALL(); | 
|  | if (context->IsVerbose()) { | 
|  | context->GetDiagnostics()->Note(DiagMessage(path_data.source) << "compiling XML"); | 
|  | } | 
|  |  | 
|  | std::unique_ptr<xml::XmlResource> xmlres; | 
|  | { | 
|  | auto fin = file->OpenInputStream(); | 
|  | if (fin->HadError()) { | 
|  | context->GetDiagnostics()->Error(DiagMessage(path_data.source) | 
|  | << "failed to open file: " << fin->GetError()); | 
|  | return false; | 
|  | } | 
|  |  | 
|  | xmlres = xml::Inflate(fin.get(), context->GetDiagnostics(), path_data.source); | 
|  | if (!xmlres) { | 
|  | return false; | 
|  | } | 
|  | } | 
|  |  | 
|  | xmlres->file.name = ResourceName({}, *ParseResourceType(path_data.resource_dir), path_data.name); | 
|  | xmlres->file.config = path_data.config; | 
|  | xmlres->file.source = path_data.source; | 
|  | xmlres->file.type = ResourceFile::Type::kProtoXml; | 
|  |  | 
|  | // Collect IDs that are defined here. | 
|  | XmlIdCollector collector; | 
|  | if (!collector.Consume(context, xmlres.get())) { | 
|  | return false; | 
|  | } | 
|  |  | 
|  | // Look for and process any <aapt:attr> tags and create sub-documents. | 
|  | InlineXmlFormatParser inline_xml_format_parser; | 
|  | if (!inline_xml_format_parser.Consume(context, xmlres.get())) { | 
|  | return false; | 
|  | } | 
|  |  | 
|  | // Start the entry so we can write the header. | 
|  | if (!writer->StartEntry(output_path, 0)) { | 
|  | context->GetDiagnostics()->Error(DiagMessage(output_path) << "failed to open file"); | 
|  | return false; | 
|  | } | 
|  |  | 
|  | std::vector<std::unique_ptr<xml::XmlResource>>& inline_documents = | 
|  | inline_xml_format_parser.GetExtractedInlineXmlDocuments(); | 
|  |  | 
|  | // Make sure CopyingOutputStreamAdaptor is deleted before we call writer->FinishEntry(). | 
|  | { | 
|  | // Wrap our IArchiveWriter with an adaptor that implements the ZeroCopyOutputStream interface. | 
|  | CopyingOutputStreamAdaptor copying_adaptor(writer); | 
|  | ContainerWriter container_writer(©ing_adaptor, 1u + inline_documents.size()); | 
|  |  | 
|  | if (!FlattenXmlToOutStream(output_path, *xmlres, &container_writer, | 
|  | context->GetDiagnostics())) { | 
|  | return false; | 
|  | } | 
|  |  | 
|  | for (const std::unique_ptr<xml::XmlResource>& inline_xml_doc : inline_documents) { | 
|  | if (!FlattenXmlToOutStream(output_path, *inline_xml_doc, &container_writer, | 
|  | context->GetDiagnostics())) { | 
|  | return false; | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | if (!writer->FinishEntry()) { | 
|  | context->GetDiagnostics()->Error(DiagMessage(output_path) << "failed to finish writing data"); | 
|  | return false; | 
|  | } | 
|  |  | 
|  | if (options.generate_text_symbols_path) { | 
|  | io::FileOutputStream fout_text(options.generate_text_symbols_path.value()); | 
|  |  | 
|  | if (fout_text.HadError()) { | 
|  | context->GetDiagnostics()->Error(DiagMessage() | 
|  | << "failed writing to'" | 
|  | << options.generate_text_symbols_path.value() | 
|  | << "': " << fout_text.GetError()); | 
|  | return false; | 
|  | } | 
|  |  | 
|  | Printer r_txt_printer(&fout_text); | 
|  | for (const auto& res : xmlres->file.exported_symbols) { | 
|  | r_txt_printer.Print("default int id "); | 
|  | r_txt_printer.Println(res.name.entry); | 
|  | } | 
|  |  | 
|  | // And print ourselves. | 
|  | r_txt_printer.Print("default int "); | 
|  | r_txt_printer.Print(path_data.resource_dir); | 
|  | r_txt_printer.Print(" "); | 
|  | r_txt_printer.Println(path_data.name); | 
|  | } | 
|  |  | 
|  | return true; | 
|  | } | 
|  |  | 
|  | static bool CompilePng(IAaptContext* context, const CompileOptions& options, | 
|  | const ResourcePathData& path_data, io::IFile* file, IArchiveWriter* writer, | 
|  | const std::string& output_path) { | 
|  | TRACE_CALL(); | 
|  | if (context->IsVerbose()) { | 
|  | context->GetDiagnostics()->Note(DiagMessage(path_data.source) << "compiling PNG"); | 
|  | } | 
|  |  | 
|  | BigBuffer buffer(4096); | 
|  | ResourceFile res_file; | 
|  | res_file.name = ResourceName({}, *ParseResourceType(path_data.resource_dir), path_data.name); | 
|  | res_file.config = path_data.config; | 
|  | res_file.source = path_data.source; | 
|  | res_file.type = ResourceFile::Type::kPng; | 
|  |  | 
|  | { | 
|  | auto data = file->OpenAsData(); | 
|  | if (!data) { | 
|  | context->GetDiagnostics()->Error(DiagMessage(path_data.source) << "failed to open file "); | 
|  | return false; | 
|  | } | 
|  |  | 
|  | BigBuffer crunched_png_buffer(4096); | 
|  | io::BigBufferOutputStream crunched_png_buffer_out(&crunched_png_buffer); | 
|  |  | 
|  | // Ensure that we only keep the chunks we care about if we end up | 
|  | // using the original PNG instead of the crunched one. | 
|  | const StringPiece content(reinterpret_cast<const char*>(data->data()), data->size()); | 
|  | PngChunkFilter png_chunk_filter(content); | 
|  | std::unique_ptr<Image> image = ReadPng(context, path_data.source, &png_chunk_filter); | 
|  | if (!image) { | 
|  | return false; | 
|  | } | 
|  |  | 
|  | std::unique_ptr<NinePatch> nine_patch; | 
|  | if (path_data.extension == "9.png") { | 
|  | std::string err; | 
|  | nine_patch = NinePatch::Create(image->rows.get(), image->width, image->height, &err); | 
|  | if (!nine_patch) { | 
|  | context->GetDiagnostics()->Error(DiagMessage() << err); | 
|  | return false; | 
|  | } | 
|  |  | 
|  | // Remove the 1px border around the NinePatch. | 
|  | // Basically the row array is shifted up by 1, and the length is treated | 
|  | // as height - 2. | 
|  | // For each row, shift the array to the left by 1, and treat the length as | 
|  | // width - 2. | 
|  | image->width -= 2; | 
|  | image->height -= 2; | 
|  | memmove(image->rows.get(), image->rows.get() + 1, image->height * sizeof(uint8_t**)); | 
|  | for (int32_t h = 0; h < image->height; h++) { | 
|  | memmove(image->rows[h], image->rows[h] + 4, image->width * 4); | 
|  | } | 
|  |  | 
|  | if (context->IsVerbose()) { | 
|  | context->GetDiagnostics()->Note(DiagMessage(path_data.source) << "9-patch: " | 
|  | << *nine_patch); | 
|  | } | 
|  | } | 
|  |  | 
|  | // Write the crunched PNG. | 
|  | if (!WritePng(context, image.get(), nine_patch.get(), &crunched_png_buffer_out, {})) { | 
|  | return false; | 
|  | } | 
|  |  | 
|  | if (nine_patch != nullptr || | 
|  | crunched_png_buffer_out.ByteCount() <= png_chunk_filter.ByteCount()) { | 
|  | // No matter what, we must use the re-encoded PNG, even if it is larger. | 
|  | // 9-patch images must be re-encoded since their borders are stripped. | 
|  | buffer.AppendBuffer(std::move(crunched_png_buffer)); | 
|  | } else { | 
|  | // The re-encoded PNG is larger than the original, and there is | 
|  | // no mandatory transformation. Use the original. | 
|  | if (context->IsVerbose()) { | 
|  | context->GetDiagnostics()->Note(DiagMessage(path_data.source) | 
|  | << "original PNG is smaller than crunched PNG" | 
|  | << ", using original"); | 
|  | } | 
|  |  | 
|  | png_chunk_filter.Rewind(); | 
|  | BigBuffer filtered_png_buffer(4096); | 
|  | io::BigBufferOutputStream filtered_png_buffer_out(&filtered_png_buffer); | 
|  | io::Copy(&filtered_png_buffer_out, &png_chunk_filter); | 
|  | buffer.AppendBuffer(std::move(filtered_png_buffer)); | 
|  | } | 
|  |  | 
|  | if (context->IsVerbose()) { | 
|  | // For debugging only, use the legacy PNG cruncher and compare the resulting file sizes. | 
|  | // This will help catch exotic cases where the new code may generate larger PNGs. | 
|  | std::stringstream legacy_stream(content.to_string()); | 
|  | BigBuffer legacy_buffer(4096); | 
|  | Png png(context->GetDiagnostics()); | 
|  | if (!png.process(path_data.source, &legacy_stream, &legacy_buffer, {})) { | 
|  | return false; | 
|  | } | 
|  |  | 
|  | context->GetDiagnostics()->Note(DiagMessage(path_data.source) | 
|  | << "legacy=" << legacy_buffer.size() | 
|  | << " new=" << buffer.size()); | 
|  | } | 
|  | } | 
|  |  | 
|  | io::BigBufferInputStream buffer_in(&buffer); | 
|  | return WriteHeaderAndDataToWriter(output_path, res_file, &buffer_in, writer, | 
|  | context->GetDiagnostics()); | 
|  | } | 
|  |  | 
|  | static bool CompileFile(IAaptContext* context, const CompileOptions& options, | 
|  | const ResourcePathData& path_data, io::IFile* file, IArchiveWriter* writer, | 
|  | const std::string& output_path) { | 
|  | TRACE_CALL(); | 
|  | if (context->IsVerbose()) { | 
|  | context->GetDiagnostics()->Note(DiagMessage(path_data.source) << "compiling file"); | 
|  | } | 
|  |  | 
|  | ResourceFile res_file; | 
|  | res_file.name = ResourceName({}, *ParseResourceType(path_data.resource_dir), path_data.name); | 
|  | res_file.config = path_data.config; | 
|  | res_file.source = path_data.source; | 
|  | res_file.type = ResourceFile::Type::kUnknown; | 
|  |  | 
|  | auto data = file->OpenAsData(); | 
|  | if (!data) { | 
|  | context->GetDiagnostics()->Error(DiagMessage(path_data.source) << "failed to open file "); | 
|  | return false; | 
|  | } | 
|  |  | 
|  | return WriteHeaderAndDataToWriter(output_path, res_file, data.get(), writer, | 
|  | context->GetDiagnostics()); | 
|  | } | 
|  |  | 
|  | class CompileContext : public IAaptContext { | 
|  | public: | 
|  | explicit CompileContext(IDiagnostics* diagnostics) : diagnostics_(diagnostics) { | 
|  | } | 
|  |  | 
|  | PackageType GetPackageType() override { | 
|  | // Every compilation unit starts as an app and then gets linked as potentially something else. | 
|  | return PackageType::kApp; | 
|  | } | 
|  |  | 
|  | void SetVerbose(bool val) { | 
|  | verbose_ = val; | 
|  | } | 
|  |  | 
|  | bool IsVerbose() override { | 
|  | return verbose_; | 
|  | } | 
|  |  | 
|  | IDiagnostics* GetDiagnostics() override { | 
|  | return diagnostics_; | 
|  | } | 
|  |  | 
|  | NameMangler* GetNameMangler() override { | 
|  | UNIMPLEMENTED(FATAL) << "No name mangling should be needed in compile phase"; | 
|  | return nullptr; | 
|  | } | 
|  |  | 
|  | const std::string& GetCompilationPackage() override { | 
|  | static std::string empty; | 
|  | return empty; | 
|  | } | 
|  |  | 
|  | uint8_t GetPackageId() override { | 
|  | return 0x0; | 
|  | } | 
|  |  | 
|  | SymbolTable* GetExternalSymbols() override { | 
|  | UNIMPLEMENTED(FATAL) << "No symbols should be needed in compile phase"; | 
|  | return nullptr; | 
|  | } | 
|  |  | 
|  | int GetMinSdkVersion() override { | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | const std::set<std::string>& GetSplitNameDependencies() override { | 
|  | UNIMPLEMENTED(FATAL) << "No Split Name Dependencies be needed in compile phase"; | 
|  | static std::set<std::string> empty; | 
|  | return empty; | 
|  | } | 
|  |  | 
|  | private: | 
|  | DISALLOW_COPY_AND_ASSIGN(CompileContext); | 
|  |  | 
|  | IDiagnostics* diagnostics_; | 
|  | bool verbose_ = false; | 
|  | }; | 
|  |  | 
|  | int Compile(IAaptContext* context, io::IFileCollection* inputs, IArchiveWriter* output_writer, | 
|  | CompileOptions& options) { | 
|  | TRACE_CALL(); | 
|  | bool error = false; | 
|  |  | 
|  | // Iterate over the input files in a stable, platform-independent manner | 
|  | auto file_iterator  = inputs->Iterator(); | 
|  | while (file_iterator->HasNext()) { | 
|  | auto file = file_iterator->Next(); | 
|  | std::string path = file->GetSource().path; | 
|  |  | 
|  | // Skip hidden input files | 
|  | if (file::IsHidden(path)) { | 
|  | continue; | 
|  | } | 
|  |  | 
|  | if (!options.res_zip && !IsValidFile(context, path)) { | 
|  | error = true; | 
|  | continue; | 
|  | } | 
|  |  | 
|  | // Extract resource type information from the full path | 
|  | std::string err_str; | 
|  | ResourcePathData path_data; | 
|  | if (auto maybe_path_data = ExtractResourcePathData(path, inputs->GetDirSeparator(), &err_str)) { | 
|  | path_data = maybe_path_data.value(); | 
|  | } else { | 
|  | context->GetDiagnostics()->Error(DiagMessage(file->GetSource()) << err_str); | 
|  | error = true; | 
|  | continue; | 
|  | } | 
|  |  | 
|  | // Determine how to compile the file based on its type. | 
|  | auto compile_func = &CompileFile; | 
|  | if (path_data.resource_dir == "values" && path_data.extension == "xml") { | 
|  | compile_func = &CompileTable; | 
|  | // We use a different extension (not necessary anymore, but avoids altering the existing | 
|  | // build system logic). | 
|  | path_data.extension = "arsc"; | 
|  |  | 
|  | } else if (const ResourceType* type = ParseResourceType(path_data.resource_dir)) { | 
|  | if (*type != ResourceType::kRaw) { | 
|  | if (*type == ResourceType::kXml || path_data.extension == "xml") { | 
|  | compile_func = &CompileXml; | 
|  | } else if ((!options.no_png_crunch && path_data.extension == "png") | 
|  | || path_data.extension == "9.png") { | 
|  | compile_func = &CompilePng; | 
|  | } | 
|  | } | 
|  | } else { | 
|  | context->GetDiagnostics()->Error(DiagMessage() | 
|  | << "invalid file path '" << path_data.source << "'"); | 
|  | error = true; | 
|  | continue; | 
|  | } | 
|  |  | 
|  | // Treat periods as a reserved character that should not be present in a file name | 
|  | // Legacy support for AAPT which did not reserve periods | 
|  | if (compile_func != &CompileFile && !options.legacy_mode | 
|  | && std::count(path_data.name.begin(), path_data.name.end(), '.') != 0) { | 
|  | error = true; | 
|  | context->GetDiagnostics()->Error(DiagMessage(file->GetSource()) | 
|  | << "file name cannot contain '.' other than for" | 
|  | << " specifying the extension"); | 
|  | continue; | 
|  | } | 
|  |  | 
|  | const std::string out_path = BuildIntermediateContainerFilename(path_data); | 
|  | if (!compile_func(context, options, path_data, file, output_writer, out_path)) { | 
|  | context->GetDiagnostics()->Error(DiagMessage(file->GetSource()) << "file failed to compile"); | 
|  | error = true; | 
|  | } | 
|  | } | 
|  |  | 
|  | return error ? 1 : 0; | 
|  | } | 
|  |  | 
|  | int CompileCommand::Action(const std::vector<std::string>& args) { | 
|  | TRACE_FLUSH(trace_folder_? trace_folder_.value() : "", "CompileCommand::Action"); | 
|  | CompileContext context(diagnostic_); | 
|  | context.SetVerbose(options_.verbose); | 
|  |  | 
|  | if (visibility_) { | 
|  | if (visibility_.value() == "public") { | 
|  | options_.visibility = Visibility::Level::kPublic; | 
|  | } else if (visibility_.value() == "private") { | 
|  | options_.visibility = Visibility::Level::kPrivate; | 
|  | } else if (visibility_.value() == "default") { | 
|  | options_.visibility = Visibility::Level::kUndefined; | 
|  | } else { | 
|  | context.GetDiagnostics()->Error( | 
|  | DiagMessage() << "Unrecognized visibility level passes to --visibility: '" | 
|  | << visibility_.value() << "'. Accepted levels: public, private, default"); | 
|  | return 1; | 
|  | } | 
|  | } | 
|  |  | 
|  | std::unique_ptr<io::IFileCollection> file_collection; | 
|  |  | 
|  | // Collect the resources files to compile | 
|  | if (options_.res_dir && options_.res_zip) { | 
|  | context.GetDiagnostics()->Error(DiagMessage() | 
|  | << "only one of --dir and --zip can be specified"); | 
|  | return 1; | 
|  | } else if (options_.res_dir) { | 
|  | if (!args.empty()) { | 
|  | context.GetDiagnostics()->Error(DiagMessage() << "files given but --dir specified"); | 
|  | Usage(&std::cerr); | 
|  | return 1; | 
|  | } | 
|  |  | 
|  | // Load the files from the res directory | 
|  | std::string err; | 
|  | file_collection = io::FileCollection::Create(options_.res_dir.value(), &err); | 
|  | if (!file_collection) { | 
|  | context.GetDiagnostics()->Error(DiagMessage(options_.res_dir.value()) << err); | 
|  | return 1; | 
|  | } | 
|  | } else if (options_.res_zip) { | 
|  | if (!args.empty()) { | 
|  | context.GetDiagnostics()->Error(DiagMessage() << "files given but --zip specified"); | 
|  | Usage(&std::cerr); | 
|  | return 1; | 
|  | } | 
|  |  | 
|  | // Load a zip file containing a res directory | 
|  | std::string err; | 
|  | file_collection = io::ZipFileCollection::Create(options_.res_zip.value(), &err); | 
|  | if (!file_collection) { | 
|  | context.GetDiagnostics()->Error(DiagMessage(options_.res_zip.value()) << err); | 
|  | return 1; | 
|  | } | 
|  | } else { | 
|  | auto collection = util::make_unique<io::FileCollection>(); | 
|  |  | 
|  | // Collect data from the path for each input file. | 
|  | std::vector<std::string> sorted_args = args; | 
|  | std::sort(sorted_args.begin(), sorted_args.end()); | 
|  |  | 
|  | for (const std::string& arg : sorted_args) { | 
|  | collection->InsertFile(arg); | 
|  | } | 
|  |  | 
|  | file_collection = std::move(collection); | 
|  | } | 
|  |  | 
|  | std::unique_ptr<IArchiveWriter> archive_writer; | 
|  | file::FileType output_file_type = file::GetFileType(options_.output_path); | 
|  | if (output_file_type == file::FileType::kDirectory) { | 
|  | archive_writer = CreateDirectoryArchiveWriter(context.GetDiagnostics(), options_.output_path); | 
|  | } else { | 
|  | archive_writer = CreateZipFileArchiveWriter(context.GetDiagnostics(), options_.output_path); | 
|  | } | 
|  |  | 
|  | if (!archive_writer) { | 
|  | return 1; | 
|  | } | 
|  |  | 
|  | return Compile(&context, file_collection.get(), archive_writer.get(), options_); | 
|  | } | 
|  |  | 
|  | }  // namespace aapt |