rust-irc/examples/convertconf.rs
2018-01-28 00:52:11 +01:00

62 lines
1.5 KiB
Rust

extern crate args;
extern crate getopts;
extern crate irc;
use std::env;
use std::process::exit;
use args::{Args, ArgsError};
use getopts::Occur;
use irc::client::data::Config;
const PROGRAM_DESC: &str = "Use this program to convert configs between {JSON, TOML, YAML}.";
const PROGRAM_NAME: &str = "convertconf";
fn main() {
let args: Vec<_> = env::args().collect();
match parse(&args) {
Ok(Some((ref input, ref output))) => {
let mut cfg = Config::load(input).unwrap();
cfg.save(output).unwrap();
println!("Converted {} to {}.", input, output);
}
Ok(None) => {
println!("Failed to provide required arguments.");
exit(1);
}
Err(err) => {
println!("{}", err);
exit(1);
}
}
}
fn parse(input: &[String]) -> Result<Option<(String, String)>, ArgsError> {
let mut args = Args::new(PROGRAM_NAME, PROGRAM_DESC);
args.flag("h", "help", "Print the usage menu");
args.option("i",
"input",
"The path to the input config",
"FILE",
Occur::Req,
None);
args.option("o",
"output",
"The path to output the new config to",
"FILE",
Occur::Req,
None);
args.parse(input)?;
let help = args.value_of("help")?;
if help {
args.full_usage();
return Ok(None);
}
Ok(Some((
args.value_of("input")?,
args.value_of("output")?,
)))
}