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/*
* 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.
*/
#ifdef _WIN32
// clang-format off
#include <windows.h>
#include <shellapi.h>
// clang-format on
#endif
#include <iostream>
#include <vector>
#include "android-base/stringprintf.h"
#include "android-base/utf8.h"
#include "androidfw/StringPiece.h"
#include "Diagnostics.h"
#include "cmd/Command.h"
#include "cmd/Compile.h"
#include "cmd/Convert.h"
#include "cmd/Diff.h"
#include "cmd/Dump.h"
#include "cmd/Link.h"
#include "cmd/Optimize.h"
#include "io/FileStream.h"
#include "trace/TraceBuffer.h"
#include "util/Files.h"
#include "util/Util.h"
using ::android::StringPiece;
using ::android::base::StringPrintf;
namespace aapt {
/** Prints the version information of AAPT2. */
class VersionCommand : public Command {
public:
explicit VersionCommand() : Command("version") {
SetDescription("Prints the version of aapt.");
}
int Action(const std::vector<std::string>& /* args */) override {
std::cerr << StringPrintf("%s %s", util::GetToolName(), util::GetToolFingerprint().c_str())
<< std::endl;
return 0;
}
};
/** The main entry point of AAPT. */
class MainCommand : public Command {
public:
explicit MainCommand(text::Printer* printer, IDiagnostics* diagnostics)
: Command("aapt2"), diagnostics_(diagnostics) {
AddOptionalSubcommand(util::make_unique<CompileCommand>(diagnostics));
AddOptionalSubcommand(util::make_unique<LinkCommand>(diagnostics));
AddOptionalSubcommand(util::make_unique<DumpCommand>(printer, diagnostics));
AddOptionalSubcommand(util::make_unique<DiffCommand>());
AddOptionalSubcommand(util::make_unique<OptimizeCommand>());
AddOptionalSubcommand(util::make_unique<ConvertCommand>());
AddOptionalSubcommand(util::make_unique<VersionCommand>());
}
int Action(const std::vector<std::string>& args) override {
if (args.size() == 0) {
diagnostics_->Error(DiagMessage() << "no subcommand specified");
} else {
diagnostics_->Error(DiagMessage() << "unknown subcommand '" << args[0] << "'");
}
Usage(&std::cerr);
return -1;
}
private:
IDiagnostics* diagnostics_;
};
/*
* Run in daemon mode. The first line of input is the command. This can be 'quit' which ends
* the daemon mode. Each subsequent line is a single parameter to the command. The end of a
* invocation is signaled by providing an empty line. At any point, an EOF signal or the
* command 'quit' will end the daemon mode.
*/
class DaemonCommand : public Command {
public:
explicit DaemonCommand(io::FileOutputStream* out, IDiagnostics* diagnostics)
: Command("daemon", "m"), out_(out), diagnostics_(diagnostics) {
SetDescription("Runs aapt in daemon mode. Each subsequent line is a single parameter to the\n"
"command. The end of an invocation is signaled by providing an empty line.");
AddOptionalFlag("--trace_folder", "Generate systrace json trace fragment to specified folder.",
&trace_folder_);
}
int Action(const std::vector<std::string>& arguments) override {
TRACE_FLUSH_ARGS(trace_folder_ ? trace_folder_.value() : "", "daemon", arguments);
text::Printer printer(out_);
std::cout << "Ready" << std::endl;
while (true) {
std::vector<std::string> raw_args;
for (std::string line; std::getline(std::cin, line) && !line.empty();) {
raw_args.push_back(line);
}
if (!std::cin) {
break;
}
// An empty command does nothing.
if (raw_args.empty()) {
continue;
}
// End the dameon
if (raw_args[0] == "quit") {
break;
}
std::vector<StringPiece> args;
args.insert(args.end(), raw_args.begin(), raw_args.end());
int result = MainCommand(&printer, diagnostics_).Execute(args, &std::cerr);
out_->Flush();
if (result != 0) {
std::cerr << "Error" << std::endl;
}
std::cerr << "Done" << std::endl;
}
std::cout << "Exiting daemon" << std::endl;
return 0;
}
private:
io::FileOutputStream* out_;
IDiagnostics* diagnostics_;
Maybe<std::string> trace_folder_;
};
} // namespace aapt
int MainImpl(int argc, char** argv) {
if (argc < 1) {
return -1;
}
// Collect the arguments starting after the program name and command name.
std::vector<StringPiece> args;
for (int i = 1; i < argc; i++) {
args.push_back(argv[i]);
}
// Use a smaller buffer so that there is less latency for printing to stdout.
constexpr size_t kStdOutBufferSize = 1024u;
aapt::io::FileOutputStream fout(STDOUT_FILENO, kStdOutBufferSize);
aapt::text::Printer printer(&fout);
aapt::StdErrDiagnostics diagnostics;
auto main_command = new aapt::MainCommand(&printer, &diagnostics);
// Add the daemon subcommand here so it cannot be called while executing the daemon
main_command->AddOptionalSubcommand(
aapt::util::make_unique<aapt::DaemonCommand>(&fout, &diagnostics));
return main_command->Execute(args, &std::cerr);
}
int main(int argc, char** argv) {
#ifdef _WIN32
LPWSTR* wide_argv = CommandLineToArgvW(GetCommandLineW(), &argc);
CHECK(wide_argv != nullptr) << "invalid command line parameters passed to process";
std::vector<std::string> utf8_args;
for (int i = 0; i < argc; i++) {
std::string utf8_arg;
if (!::android::base::WideToUTF8(wide_argv[i], &utf8_arg)) {
std::cerr << "error converting input arguments to UTF-8" << std::endl;
return 1;
}
utf8_args.push_back(std::move(utf8_arg));
}
LocalFree(wide_argv);
std::unique_ptr<char* []> utf8_argv(new char*[utf8_args.size()]);
for (int i = 0; i < argc; i++) {
utf8_argv[i] = const_cast<char*>(utf8_args[i].c_str());
}
argv = utf8_argv.get();
#endif
return MainImpl(argc, argv);
}
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