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- /*
- * Copyright 2015-present Facebook, Inc.
- *
- * 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 <folly/experimental/NestedCommandLineApp.h>
- #include <folly/portability/GFlags.h>
- DEFINE_int32(global_foo, 42, "Global foo");
- namespace po = ::boost::program_options;
- namespace {
- void init(
- const std::string& cmd,
- const po::variables_map& /* options */,
- const std::vector<std::string>& /* args */) {
- printf("running %s\n", cmd.c_str());
- }
- void foo(
- const po::variables_map& options,
- const std::vector<std::string>& args) {
- printf("foo global-foo %d\n", options["global-foo"].as<int32_t>());
- printf("foo local-foo %d\n", options["local-foo"].as<int32_t>());
- for (auto& arg : args) {
- printf("foo arg %s\n", arg.c_str());
- }
- }
- } // namespace
- int main(int argc, char* argv[]) {
- folly::NestedCommandLineApp app("", "0.1", "", "", init);
- app.addGFlags();
- // clang-format off
- app.addCommand("foo", "[args...]", "Do some foo", "Does foo", foo)
- .add_options()
- ("local-foo", po::value<int32_t>()->default_value(42), "Local foo");
- // clang-format on
- app.addAlias("bar", "foo");
- app.addAlias("baz", "bar");
- return app.run(argc, argv);
- }
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