blob: 7144985e80dc357f6eede70f1e449c68916e82c5 [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 <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 "Flags.h"
#include "ResourceParser.h"
#include "ResourceTable.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/StringStream.h"
#include "io/Util.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,
std::string* out_error) {
std::vector<std::string> parts = util::Split(path, file::sDirSep);
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};
}
struct CompileOptions {
std::string output_path;
Maybe<std::string> res_dir;
Maybe<std::string> generate_text_symbols_path;
bool pseudolocalize = false;
bool no_png_crunch = false;
bool legacy_mode = false;
bool verbose = false;
};
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 IsHidden(const StringPiece& filename) {
return util::StartsWith(filename, ".");
}
// Walks the res directory structure, looking for resource files.
static bool LoadInputFilesFromDir(IAaptContext* context, const CompileOptions& options,
std::vector<ResourcePathData>* out_path_data) {
const std::string& root_dir = options.res_dir.value();
std::unique_ptr<DIR, decltype(closedir)*> d(opendir(root_dir.data()), closedir);
if (!d) {
context->GetDiagnostics()->Error(DiagMessage(root_dir) << "failed to open directory: "
<< SystemErrorCodeToString(errno));
return false;
}
while (struct dirent* entry = readdir(d.get())) {
if (IsHidden(entry->d_name)) {
continue;
}
std::string prefix_path = root_dir;
file::AppendPath(&prefix_path, entry->d_name);
if (file::GetFileType(prefix_path) != file::FileType::kDirectory) {
continue;
}
std::unique_ptr<DIR, decltype(closedir)*> subdir(opendir(prefix_path.data()), closedir);
if (!subdir) {
context->GetDiagnostics()->Error(DiagMessage(prefix_path) << "failed to open directory: "
<< SystemErrorCodeToString(errno));
return false;
}
while (struct dirent* leaf_entry = readdir(subdir.get())) {
if (IsHidden(leaf_entry->d_name)) {
continue;
}
std::string full_path = prefix_path;
file::AppendPath(&full_path, leaf_entry->d_name);
std::string err_str;
Maybe<ResourcePathData> path_data = ExtractResourcePathData(full_path, &err_str);
if (!path_data) {
context->GetDiagnostics()->Error(DiagMessage(full_path) << err_str);
return false;
}
out_path_data->push_back(std::move(path_data.value()));
}
}
// File-system directory enumeration order is platform-dependent. Sort the result to remove any
// inconsistencies between platforms.
std::sort(
out_path_data->begin(), out_path_data->end(),
[](const ResourcePathData& a, const ResourcePathData& b) { return a.source < b.source; });
return true;
}
static bool CompileTable(IAaptContext* context, const CompileOptions& options,
const ResourcePathData& path_data, IArchiveWriter* writer,
const std::string& output_path) {
ResourceTable table;
{
FileInputStream fin(path_data.source.path);
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);
ResourceParserOptions parser_options;
parser_options.error_on_positional_arguments = !options.legacy_mode;
// If the filename includes donottranslate, then the default translatable is false.
parser_options.translatable = path_data.name.find("donottranslate") == std::string::npos;
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) {
// 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(&copying_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) {
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) {
r_txt_printer.Print("default int styleable ");
r_txt_printer.Print(entry->name);
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) {
// 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(&copying_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, IArchiveWriter* writer,
const std::string& output_path) {
if (context->IsVerbose()) {
context->GetDiagnostics()->Note(DiagMessage(path_data.source) << "compiling XML");
}
std::unique_ptr<xml::XmlResource> xmlres;
{
FileInputStream fin(path_data.source.path);
if (fin.HadError()) {
context->GetDiagnostics()->Error(DiagMessage(path_data.source)
<< "failed to open file: " << fin.GetError());
return false;
}
xmlres = xml::Inflate(&fin, 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(&copying_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, IArchiveWriter* writer,
const std::string& output_path) {
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;
{
std::string content;
if (!android::base::ReadFileToString(path_data.source.path, &content,
true /*follow_symlinks*/)) {
context->GetDiagnostics()->Error(DiagMessage(path_data.source)
<< "failed to open file: "
<< SystemErrorCodeToString(errno));
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.
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);
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);
if (!WriteHeaderAndDataToWriter(output_path, res_file, &buffer_in, writer,
context->GetDiagnostics())) {
return false;
}
return true;
}
static bool CompileFile(IAaptContext* context, const CompileOptions& options,
const ResourcePathData& path_data, IArchiveWriter* writer,
const std::string& output_path) {
if (context->IsVerbose()) {
context->GetDiagnostics()->Note(DiagMessage(path_data.source) << "compiling file");
}
BigBuffer buffer(256);
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;
std::string error_str;
Maybe<android::FileMap> f = file::MmapPath(path_data.source.path, &error_str);
if (!f) {
context->GetDiagnostics()->Error(DiagMessage(path_data.source) << "failed to mmap file: "
<< error_str);
return false;
}
io::MmappedData mmapped_in(std::move(f.value()));
if (!WriteHeaderAndDataToWriter(output_path, res_file, &mmapped_in, writer,
context->GetDiagnostics())) {
return false;
}
return true;
}
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;
}
private:
DISALLOW_COPY_AND_ASSIGN(CompileContext);
IDiagnostics* diagnostics_;
bool verbose_ = false;
};
// Entry point for compilation phase. Parses arguments and dispatches to the correct steps.
int Compile(const std::vector<StringPiece>& args, IDiagnostics* diagnostics) {
CompileContext context(diagnostics);
CompileOptions options;
bool verbose = false;
Flags flags =
Flags()
.RequiredFlag("-o", "Output path", &options.output_path)
.OptionalFlag("--dir", "Directory to scan for resources", &options.res_dir)
.OptionalFlag("--output-text-symbols",
"Generates a text file containing the resource symbols in the\n"
"specified file",
&options.generate_text_symbols_path)
.OptionalSwitch("--pseudo-localize",
"Generate resources for pseudo-locales "
"(en-XA and ar-XB)",
&options.pseudolocalize)
.OptionalSwitch("--no-crunch", "Disables PNG processing", &options.no_png_crunch)
.OptionalSwitch("--legacy", "Treat errors that used to be valid in AAPT as warnings",
&options.legacy_mode)
.OptionalSwitch("-v", "Enables verbose logging", &verbose);
if (!flags.Parse("aapt2 compile", args, &std::cerr)) {
return 1;
}
context.SetVerbose(verbose);
std::unique_ptr<IArchiveWriter> archive_writer;
std::vector<ResourcePathData> input_data;
if (options.res_dir) {
if (!flags.GetArgs().empty()) {
// Can't have both files and a resource directory.
context.GetDiagnostics()->Error(DiagMessage() << "files given but --dir specified");
flags.Usage("aapt2 compile", &std::cerr);
return 1;
}
if (!LoadInputFilesFromDir(&context, options, &input_data)) {
return 1;
}
archive_writer = CreateZipFileArchiveWriter(context.GetDiagnostics(), options.output_path);
} else {
input_data.reserve(flags.GetArgs().size());
// Collect data from the path for each input file.
for (const std::string& arg : flags.GetArgs()) {
std::string error_str;
if (Maybe<ResourcePathData> path_data = ExtractResourcePathData(arg, &error_str)) {
input_data.push_back(std::move(path_data.value()));
} else {
context.GetDiagnostics()->Error(DiagMessage() << error_str << " (" << arg << ")");
return 1;
}
}
archive_writer = CreateDirectoryArchiveWriter(context.GetDiagnostics(), options.output_path);
}
if (!archive_writer) {
return 1;
}
bool error = false;
for (ResourcePathData& path_data : input_data) {
if (options.verbose) {
context.GetDiagnostics()->Note(DiagMessage(path_data.source) << "processing");
}
if (!IsValidFile(&context, path_data.source.path)) {
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 (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() << "resource file '" << path_data.source.path
<< "' name cannot contain '.' other than for"
<< "specifying the extension");
continue;
}
// Compile the file.
const std::string out_path = BuildIntermediateContainerFilename(path_data);
error |= !compile_func(&context, options, path_data, archive_writer.get(), out_path);
}
return error ? 1 : 0;
}
} // namespace aapt