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extern crate deunicode;
use deunicode::deunicode_char;
pub fn slugify<S: AsRef<str>>(s: S) -> String {
_slugify(s.as_ref())
}
fn _slugify(s: &str) -> String {
let mut slug: Vec<u8> = Vec::with_capacity(s.len());
let mut prev_is_dash = true;
{
let mut push_char = |x: char| {
match x {
'a'...'z' | '0'...'9' => {
prev_is_dash = false;
slug.push(x as u8);
}
'A'...'Z' => {
prev_is_dash = false;
slug.push((x as u8) - b'A' + b'a');
}
_ => {
if !prev_is_dash {
slug.push(b'-');
prev_is_dash = true;
}
}
}
};
for c in s.chars() {
if c.is_ascii() {
(push_char)(c);
} else {
for cx in deunicode_char(c).unwrap_or("-").chars() {
(push_char)(cx);
}
}
}
}
let mut string = unsafe { String::from_utf8_unchecked(slug) };
if string.ends_with('-') {
string.pop();
}
string.shrink_to_fit();
string
}