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main.cc
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main.cc
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// Copyright 2022 Google LLC
//
// 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 "cdc_stream/start_command.h"
#include "cdc_stream/start_service_command.h"
#include "cdc_stream/stop_command.h"
#include "cdc_stream/stop_service_command.h"
#include "common/platform.h"
#include "lyra/lyra.hpp"
#if PLATFORM_WINDOWS
int wmain(int argc, wchar_t* wargv[]) {
// Convert args from wide to UTF8 strings.
std::vector<std::string> utf8_str_args;
utf8_str_args.reserve(argc);
for (int i = 0; i < argc; i++) {
utf8_str_args.push_back(cdc_ft::Util::WideToUtf8Str(wargv[i]));
}
// Convert args from UTF8 strings to UTF8 c-strings.
std::vector<const char*> utf8_args;
utf8_args.reserve(argc);
for (const auto& utf8_str_arg : utf8_str_args) {
utf8_args.push_back(utf8_str_arg.c_str());
}
const char** argv = utf8_args.data();
#else
int main(int argc, char** argv) {
#endif
// Set up commands.
auto cli = lyra::cli();
bool show_help = false;
int exit_code = -1;
cli.add_argument(lyra::help(show_help));
cdc_ft::StartCommand start_cmd(&exit_code);
start_cmd.Register(cli);
cdc_ft::StopCommand stop_cmd(&exit_code);
stop_cmd.Register(cli);
cdc_ft::StartServiceCommand start_service_cmd(&exit_code);
start_service_cmd.Register(cli);
cdc_ft::StopServiceCommand stop_service_cmd(&exit_code);
stop_service_cmd.Register(cli);
// Parse args and run. Note that parse actually runs the commands.
// exit_code is -1 if no command was run.
auto result = cli.parse({argc, argv});
if (show_help || exit_code == -1) {
std::cout << cli;
return 0;
}
if (!result) {
// Parse error.
std::cerr << "Error: " << result.message() << std::endl;
return 1;
}
// If cli.parse() succeeds, it also runs the commands and writes |exit_code|.
return exit_code;
}