/// return a vector of strings, whose total length, if you add an
/// ellipsis between parts, fits the given width.
return a vector of strings, whose total length, if you add an
ellipsis between parts, fits the given width.
return a vector of strings whose total length if you add an ellipsis between parts fits the given width .
pub fn from(text: &'a str, width: usize) -> ElidedString<'_> {
        let mut parts = Vec::new();
        if text.len() <= width {
            parts.push(text);
        } else {
            let mut to_remove = text.len() - width;
            let mut ranges = core_ranges(text);
            ranges.sort_unstable_by(|a, b| b.possible_gain().cmp(&a.possible_gain()));
            for r in ranges.iter_mut() {
                if r.protected {
                    continue;
                }
                let gain = r.possible_gain().min(to_remove);
                to_remove -= gain;
                r.removed += gain;
                if to_remove == 0 {
                    break;
                }
            }
            if to_remove > 0 {
                // we failed the smart thing. Do the dumb one
                parts.push(&text[0..width]);
            } else {
                // it works! let's just make the parts
                let mut idx = 0;
                ranges.sort_unstable_by(|a, b| a.start.cmp(&b.start));
                for r in ranges {
                    if r.removed > 0 {
                        parts.push(&text[idx..r.removed_start()]);
                        idx = r.removed_end();
                    }
                }
                parts.push(&text[idx..]);
            }
        }
        ElidedString{ parts }
    }
pub fn from ( text : & ' a str , width : usize ) -> ElidedString < ' _ > { let mut parts = Vec :: new ( ) ; if text . len ( ) <= width { parts . push ( text ) ; } else { let mut to_remove = text . len ( ) - width ; let mut ranges = core_ranges ( text ) ; ranges . sort_unstable_by ( | a , b | b . possible_gain ( ) . cmp ( & a . possible_gain ( ) ) ) ; for r in ranges . iter_mut ( ) { if r . protected { continue ; } let gain = r . possible_gain ( ) . min ( to_remove ) ; to_remove -= gain ; r . removed += gain ; if to_remove == 0 { break ; } } if to_remove > 0 { // we failed the smart thing. Do the dumb one parts . push ( & text [ 0 .. width ] ) ; } else { // it works! let's just make the parts let mut idx = 0 ; ranges . sort_unstable_by ( | a , b | a . start . cmp ( & b . start ) ) ; for r in ranges { if r . removed > 0 { parts . push ( & text [ idx .. r . removed_start ( ) ] ) ; idx = r . removed_end ( ) ; } } parts . push ( & text [ idx .. ] ) ; } } ElidedString { parts } }
return a vector of strings, whose total length, if you add an
ellipsis between parts, fits the given width.
return a vector of strings whose total length if you add an ellipsis between parts fits the given width .
text
&'a str
width
usize