kicad/thirdparty/argparse/samples/subcommands.cpp

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2022-11-13 16:50:27 +00:00
// SPDX-License-Identifier: MIT
#include <argparse/argparse.hpp>
int main(int argc, char *argv[]) {
argparse::ArgumentParser program("git");
// git add subparser
argparse::ArgumentParser add_command("add");
add_command.add_description("Add file contents to the index");
add_command.add_argument("files")
.help("Files to add content from. Fileglobs (e.g. *.c) can be given to "
"add all matching files.")
.remaining();
// git commit subparser
argparse::ArgumentParser commit_command("commit");
commit_command.add_description("Record changes to the repository");
commit_command.add_argument("-a", "--all")
.help("Tell the command to automatically stage files that have been "
"modified and deleted.")
.default_value(false)
.implicit_value(true);
commit_command.add_argument("-m", "--message")
.help("Use the given <msg> as the commit message.");
// git cat-file subparser
argparse::ArgumentParser catfile_command("cat-file");
catfile_command.add_description(
"Provide content or type and size information for repository objects");
catfile_command.add_argument("-t").help(
"Instead of the content, show the object type identified by <object>.");
catfile_command.add_argument("-p").help(
"Pretty-print the contents of <object> based on its type.");
// git submodule subparser
argparse::ArgumentParser submodule_command("submodule");
submodule_command.add_description("Initialize, update or inspect submodules");
argparse::ArgumentParser submodule_update_command("update");
submodule_update_command.add_description(
"Update the registered submodules to match what the superproject "
"expects");
submodule_update_command.add_argument("--init")
.default_value(false)
.implicit_value(true);
submodule_update_command.add_argument("--recursive")
.default_value(false)
.implicit_value(true);
submodule_command.add_subparser(submodule_update_command);
program.add_subparser(add_command);
program.add_subparser(commit_command);
program.add_subparser(catfile_command);
program.add_subparser(submodule_command);
try {
program.parse_args(argc, argv);
} catch (const std::runtime_error &err) {
std::cerr << err.what() << std::endl;
std::cerr << program;
std::exit(1);
}
// Use arguments
}