src/cli.rs


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use clap::{
    arg, crate_authors, crate_description, crate_name, crate_version, Arg, ArgAction, Command,
};

pub fn cli() -> Command {
    Command::new(crate_name!())
        .about(crate_description!())
        .author(crate_authors!())
        .version(crate_version!())
        .subcommand_required(true)
        .arg_required_else_help(true)
        .allow_external_subcommands(true)
        .subcommand(
            Command::new("random")
                .about("Generates a random something")
                .args_conflicts_with_subcommands(true)
                .subcommand(
                    Command::new("henchman")
                        .about("Generates a random henchman")
                        .arg(
                            Arg::new("csv")
                                .long("csv")
                                .action(ArgAction::SetTrue)
                                .help("Output in CSV format"),
                        ),
                )
                .subcommand(Command::new("magic").about("Generates a magic item")),
        )
        .subcommand(
            Command::new("roll")
                .about("Rolls dice based on a given formula")
                .arg(arg!(<FORMULA> "The dice rolling formula"))
                .arg_required_else_help(true),
        )
        .subcommand(
            Command::new("table")
                .about("Rolls on a random table")
                .arg(arg!(<TABLE> "The name of the table to roll on"))
                .arg_required_else_help(true),
        )
}