// Dancing Droids
// Copyright (C) 2020 Martin HART, Volodymyr PATUTA, Stephane Elias BENABDESLAM
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program. If not, see .
use clap::{App, Arg};
use std::fs;
use std::io;
mod robot;
/// Retrieve the content of a file and return it as a string.
fn open_file(filename: &str) -> io::Result {
let content = fs::read_to_string(filename)?;
Ok(content)
}
fn main() -> Result<(), Box> {
// We handle CLI flags here.
let matches = App::new("DancingDroids")
.version("0.1.0")
.about("When droids dance togethers")
.arg(
Arg::with_name("file")
.short("f")
.long("file")
.takes_value(true)
.help("Configuration file"),
)
.get_matches();
let raw_conf = open_file(matches.value_of("file").unwrap_or("two_robots.txt"))?;
Ok(())
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_open_file() {
assert!(open_file("two_robots.txt").is_ok());
assert!(open_file("test_unexisting_file.extension").is_err());
}
}