Function broot::pattern::norm_chars

source · 
pub fn norm_chars(s: &str) -> Box<[char]>
Examples found in repository?
src/pattern/tok_pattern.rs (line 58)
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    pub fn new(pattern: &str) -> Self {
        // we accept several separators. The first one
        // we encounter among the possible ones is the
        // separator of the whole. This allows using the
        // other char: In ";ab,er", the comma isn't seen
        // as a separator but as part of a tok
        let sep = pattern.chars().find(|c| SEPARATORS.contains(c));
        let mut toks: Vec<Box<[char]>> = if let Some(sep) = sep {
            pattern.split(sep)
                .filter(|s| !s.is_empty())
                .map(norm_chars)
                .collect()
        } else {
            if pattern.is_empty() {
                Vec::new()
            } else {
                vec![norm_chars(pattern)]
            }
        };
        // we sort the tokens from biggest to smallest
        // because the current algorithm stops at the
        // first match for any tok. Thus it would fail
        // to find "abc,b" in "abcdb" if it looked first
        // at the "b" token
        toks.sort_by_key(|t| Reverse(t.len()));
        let sum_len = toks.iter().map(|s| s.len()).sum();
        Self {
            toks,
            sum_len,
        }
    }