haiku 0.2.0

Implementation of the Haiku API in Rust
Documentation 
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extern crate haiku;

use haiku::app::ROSTER;

const NAME_FIELD_WIDTH: usize = 34;

fn truncate_string(name: &str, mut length: usize) -> String {
	if name.len() <= length {
		return String::from(name);
	}
	if length < 6 {
		length = 6;
	}
	
	let begin = length / 3 - 1;
	let end = name.len() - ( length - 3 - begin) ;
	
	let mut truncated_name = String::with_capacity(length);
	truncated_name.push_str(&name[..begin]);
	truncated_name.push_str("...");
	truncated_name.push_str(&name[end..]);
	truncated_name	
}	

fn main() {
	println!("  team {:>width$} port flags signature", "path", width = NAME_FIELD_WIDTH);
	println!("------ {:->width$}---- ----- ---------", " ", width = NAME_FIELD_WIDTH + 1);

	let team_list = ROSTER.get_app_list().expect("Unexpected error getting the list of teams");
	for team in team_list {
		let app_info = match ROSTER.get_running_app_info(&team) {
			Some(info) => info,
			None => continue
		};
		let path = truncate_string(&app_info.path, NAME_FIELD_WIDTH);
		println!("{:>6} {:>34}{:>5} {:>5} ({})", app_info.team, path, app_info.port, app_info.flags, app_info.signature);
	}
}