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#[macro_use] extern crate lazy_static; extern crate regex; use std::collections::HashMap; mod util; pub fn matcher<'a>(pattern: &'a str, url: &'a str) -> Option<HashMap<String, &'a str>> { let mut map = HashMap::new(); let expr = util::expression(pattern); let re = util::regexp(&expr); let caps = re.captures(url)?; for (index, key) in re.capture_names().enumerate() { if let (Some(k), Some(c)) = (key, caps.get(index)) { map.insert(k.to_owned(), c.as_str()); } } Some(map) }