diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/cli.rs | 16 | ||||
| -rw-r--r-- | src/main.rs | 16 |
2 files changed, 27 insertions, 5 deletions
diff --git a/src/cli.rs b/src/cli.rs new file mode 100644 index 0000000..4ceaf90 --- /dev/null +++ b/src/cli.rs @@ -0,0 +1,16 @@ +use clap::{arg, Command, crate_authors, crate_description, crate_name, crate_version}; + +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("roll") + .about("Rolls dice based on a given formula.") + .arg(arg!(<FORMULA> "The dice rolling formula")) + .arg_required_else_help(true), + ) +} diff --git a/src/main.rs b/src/main.rs index 88fa2ab..c3431cd 100644 --- a/src/main.rs +++ b/src/main.rs @@ -1,10 +1,16 @@ +mod cli; mod dice; fn main() { - const TEST_FORMULA : &str = "3d6"; - println!("Rolling {}:", TEST_FORMULA); - match dice::roll_formula(TEST_FORMULA) { - Some(result) => println!("{}", result), - None => eprintln!("Error: Invalid roll formula, or die roll otherwise failed.") + let matches = cli::cli().get_matches(); + + match matches.subcommand() { + Some(("roll", sub_matches)) => { + match dice::roll_formula(sub_matches.get_one::<String>("FORMULA").expect("required")) { + Some(result) => println!("Rolled: {}", result), + None => eprintln!("Error: Invalid roll formula or calculation failed.") + } + } + _ => unreachable!() } } |