2022-02-15 14:33:38 +00:00
|
|
|
use clap::{arg, command, Command};
|
2021-11-30 18:30:19 +00:00
|
|
|
use std::path::Path;
|
|
|
|
|
|
|
|
fn main() {
|
2022-02-15 14:33:38 +00:00
|
|
|
let matches = command!()
|
2021-11-30 18:30:19 +00:00
|
|
|
.arg(arg!([name] "Optional name to operate on"))
|
|
|
|
.arg(
|
|
|
|
arg!(
|
|
|
|
-c --config <FILE> "Sets a custom config file"
|
|
|
|
)
|
|
|
|
// We don't have syntax yet for optional options, so manually calling `required`
|
|
|
|
.required(false)
|
|
|
|
// Support non-UTF8 paths
|
|
|
|
.allow_invalid_utf8(true),
|
|
|
|
)
|
|
|
|
.arg(arg!(
|
|
|
|
-d --debug ... "Turn debugging information on"
|
|
|
|
))
|
|
|
|
.subcommand(
|
2022-02-12 03:48:29 +00:00
|
|
|
Command::new("test")
|
2021-11-30 18:30:19 +00:00
|
|
|
.about("does testing things")
|
|
|
|
.arg(arg!(-l --list "lists test values")),
|
|
|
|
)
|
|
|
|
.get_matches();
|
|
|
|
|
|
|
|
// You can check the value provided by positional arguments, or option arguments
|
|
|
|
if let Some(name) = matches.value_of("name") {
|
|
|
|
println!("Value for name: {}", name);
|
|
|
|
}
|
|
|
|
|
|
|
|
if let Some(raw_config) = matches.value_of_os("config") {
|
|
|
|
let config_path = Path::new(raw_config);
|
|
|
|
println!("Value for config: {}", config_path.display());
|
|
|
|
}
|
|
|
|
|
|
|
|
// You can see how many times a particular flag or argument occurred
|
|
|
|
// Note, only flags can have multiple occurrences
|
|
|
|
match matches.occurrences_of("debug") {
|
|
|
|
0 => println!("Debug mode is off"),
|
|
|
|
1 => println!("Debug mode is kind of on"),
|
|
|
|
2 => println!("Debug mode is on"),
|
|
|
|
_ => println!("Don't be crazy"),
|
|
|
|
}
|
|
|
|
|
|
|
|
// You can check for the existence of subcommands, and if found use their
|
2022-02-14 21:47:20 +00:00
|
|
|
// matches just as you would the top level cmd
|
2021-11-30 18:30:19 +00:00
|
|
|
if let Some(matches) = matches.subcommand_matches("test") {
|
|
|
|
// "$ myapp test" was run
|
|
|
|
if matches.is_present("list") {
|
|
|
|
// "$ myapp test -l" was run
|
|
|
|
println!("Printing testing lists...");
|
|
|
|
} else {
|
|
|
|
println!("Not printing testing lists...");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// Continued program logic goes here...
|
|
|
|
}
|