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Diffstat (limited to 'examples/exhaustive.rs')
| -rw-r--r-- | examples/exhaustive.rs | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/examples/exhaustive.rs b/examples/exhaustive.rs new file mode 100644 index 0000000..de00da6 --- /dev/null +++ b/examples/exhaustive.rs @@ -0,0 +1,203 @@ +use clap::builder::PossibleValue; +#[cfg(feature = "unstable-dynamic")] +use clap::{FromArgMatches, Subcommand}; +use clap_complete::{generate, Generator, Shell}; + +fn main() { + let matches = cli().get_matches(); + if let Some(generator) = matches.get_one::<Shell>("generate") { + let mut cmd = cli(); + eprintln!("Generating completion file for {generator}..."); + print_completions(*generator, &mut cmd); + return; + } + + #[cfg(feature = "unstable-dynamic")] + if let Ok(completions) = + clap_complete::dynamic::shells::CompleteCommand::from_arg_matches(&matches) + { + completions.complete(&mut cli()); + return; + }; + + println!("{:?}", matches); +} + +fn print_completions<G: Generator>(gen: G, cmd: &mut clap::Command) { + generate(gen, cmd, cmd.get_name().to_string(), &mut std::io::stdout()); +} + +#[allow(clippy::let_and_return)] +fn cli() -> clap::Command { + let cli = clap::Command::new("exhaustive") + .version("3.0") + .propagate_version(true) + .args([ + clap::Arg::new("global") + .long("global") + .global(true) + .action(clap::ArgAction::SetTrue) + .help("everywhere"), + clap::Arg::new("generate") + .long("generate") + .value_name("SHELL") + .value_parser(clap::value_parser!(Shell)) + .help("generate"), + ]) + .subcommands([ + clap::Command::new("action").args([ + clap::Arg::new("set-true") + .long("set-true") + .action(clap::ArgAction::SetTrue) + .help("bool"), + clap::Arg::new("set") + .long("set") + .action(clap::ArgAction::Set) + .help("value"), + clap::Arg::new("count") + .long("count") + .action(clap::ArgAction::Count) + .help("number"), + clap::Arg::new("choice") + .long("choice") + .value_parser(["first", "second"]) + .help("enum"), + ]), + clap::Command::new("quote") + .args([ + clap::Arg::new("single-quotes") + .long("single-quotes") + .action(clap::ArgAction::SetTrue) + .help("Can be 'always', 'auto', or 'never'"), + clap::Arg::new("double-quotes") + .long("double-quotes") + .action(clap::ArgAction::SetTrue) + .help("Can be \"always\", \"auto\", or \"never\""), + clap::Arg::new("backticks") + .long("backticks") + .action(clap::ArgAction::SetTrue) + .help("For more information see `echo test`"), + clap::Arg::new("backslash") + .long("backslash") + .action(clap::ArgAction::SetTrue) + .help("Avoid '\\n'"), + clap::Arg::new("brackets") + .long("brackets") + .action(clap::ArgAction::SetTrue) + .help("List packages [filter]"), + clap::Arg::new("expansions") + .long("expansions") + .action(clap::ArgAction::SetTrue) + .help("Execute the shell command with $SHELL"), + clap::Arg::new("choice") + .long("choice") + .action(clap::ArgAction::Set) + .value_parser(clap::builder::PossibleValuesParser::new([ + PossibleValue::new("bash").help("bash (shell)"), + PossibleValue::new("fish").help("fish shell"), + PossibleValue::new("zsh").help("zsh shell"), + ])), + ]) + .subcommands([ + clap::Command::new("cmd-single-quotes") + .about("Can be 'always', 'auto', or 'never'"), + clap::Command::new("cmd-double-quotes") + .about("Can be \"always\", \"auto\", or \"never\""), + clap::Command::new("cmd-backticks") + .about("For more information see `echo test`"), + clap::Command::new("cmd-backslash").about("Avoid '\\n'"), + clap::Command::new("cmd-brackets").about("List packages [filter]"), + clap::Command::new("cmd-expansions") + .about("Execute the shell command with $SHELL"), + clap::Command::new("escape-help").about("\\tab\t\"'\nNew Line"), + ]), + clap::Command::new("value").args([ + clap::Arg::new("delim").long("delim").value_delimiter(','), + clap::Arg::new("tuple").long("tuple").num_args(2), + clap::Arg::new("require-eq") + .long("require-eq") + .require_equals(true), + clap::Arg::new("term").num_args(1..).value_terminator(";"), + ]), + clap::Command::new("pacman").subcommands([ + clap::Command::new("one").long_flag("one").short_flag('o'), + clap::Command::new("two").long_flag("two").short_flag('t'), + ]), + clap::Command::new("last") + .args([clap::Arg::new("first"), clap::Arg::new("free").last(true)]), + clap::Command::new("alias").args([ + clap::Arg::new("flag") + .short('f') + .visible_short_alias('F') + .long("flag") + .action(clap::ArgAction::SetTrue) + .visible_alias("flg") + .help("cmd flag"), + clap::Arg::new("option") + .short('o') + .visible_short_alias('O') + .long("option") + .visible_alias("opt") + .help("cmd option") + .action(clap::ArgAction::Set), + clap::Arg::new("positional"), + ]), + clap::Command::new("hint").args([ + clap::Arg::new("choice") + .long("choice") + .action(clap::ArgAction::Set) + .value_parser(["bash", "fish", "zsh"]), + clap::Arg::new("unknown") + .long("unknown") + .value_hint(clap::ValueHint::Unknown), + clap::Arg::new("other") + .long("other") + .value_hint(clap::ValueHint::Other), + clap::Arg::new("path") + .long("path") + .short('p') + .value_hint(clap::ValueHint::AnyPath), + clap::Arg::new("file") + .long("file") + .short('f') + .value_hint(clap::ValueHint::FilePath), + clap::Arg::new("dir") + .long("dir") + .short('d') + .value_hint(clap::ValueHint::DirPath), + clap::Arg::new("exe") + .long("exe") + .short('e') + .value_hint(clap::ValueHint::ExecutablePath), + clap::Arg::new("cmd_name") + .long("cmd-name") + .value_hint(clap::ValueHint::CommandName), + clap::Arg::new("cmd") + .long("cmd") + .short('c') + .value_hint(clap::ValueHint::CommandString), + clap::Arg::new("command_with_args") + .action(clap::ArgAction::Set) + .num_args(1..) + .trailing_var_arg(true) + .value_hint(clap::ValueHint::CommandWithArguments), + clap::Arg::new("user") + .short('u') + .long("user") + .value_hint(clap::ValueHint::Username), + clap::Arg::new("host") + .short('H') + .long("host") + .value_hint(clap::ValueHint::Hostname), + clap::Arg::new("url") + .long("url") + .value_hint(clap::ValueHint::Url), + clap::Arg::new("email") + .long("email") + .value_hint(clap::ValueHint::EmailAddress), + ]), + ]); + #[cfg(feature = "unstable-dynamic")] + let cli = clap_complete::dynamic::shells::CompleteCommand::augment_subcommands(cli); + cli +} |