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use colored::*;
use regex::Regex;
use std::fmt;
use std::process;
#[derive(Debug)]
pub enum Internal {
ParseNum,
ParseIgnore,
GetPath,
DirPermissions,
NotDirectory,
PathDoesNotExist,
IoError,
}
impl fmt::Display for Internal {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match *self {
Internal::IoError => write!(
f,
"{}: IO error when trying to read directory contents",
"Error".red()
),
Internal::ParseNum => write!(
f,
"{}: Please enter a positive whole number.",
"Error".red()
),
_ => write!(f, "other error"),
}
}
}
pub fn check_regex(re: &str) -> Regex {
if let Ok(r) = Regex::new(re) {
r
} else if let Err(x) = Regex::new(re) {
eprintln!("{}: Invalid regex:\n {}", "Error".red(), x);
process::exit(0x0f01)
} else {
process::exit(0x0f01)
}
}