ascii_canvas/
row.rs

1use crate::style::{Style, StyleCursor};
2use std::fmt::{Debug, Display, Error, Formatter};
3use term::{self, Terminal};
4
5pub struct Row {
6    text: String,
7    styles: Vec<Style>,
8}
9
10impl Row {
11    pub fn new(chars: &[char], styles: &[Style]) -> Row {
12        assert_eq!(chars.len(), styles.len());
13        Row {
14            text: chars.iter().cloned().collect(),
15            styles: styles.to_vec(),
16        }
17    }
18
19    pub fn write_to<T: Terminal + ?Sized>(&self, term: &mut T) -> term::Result<()> {
20        let mut cursor = StyleCursor::new(term)?;
21        for (character, &style) in self.text.trim_end().chars().zip(&self.styles) {
22            cursor.set_style(style)?;
23            write!(cursor.term(), "{}", character)?;
24        }
25        Ok(())
26    }
27}
28
29// Using display/debug just skips the styling.
30
31impl Display for Row {
32    fn fmt(&self, fmt: &mut Formatter<'_>) -> Result<(), Error> {
33        Display::fmt(self.text.trim_end(), fmt)
34    }
35}
36
37impl Debug for Row {
38    fn fmt(&self, fmt: &mut Formatter<'_>) -> Result<(), Error> {
39        // NB: use Display, not Debug, just throw some quotes around it
40        write!(fmt, "\"")?;
41        Display::fmt(self.text.trim_end(), fmt)?;
42        write!(fmt, "\"")
43    }
44}
ascii_canvas/row.rs

ascii_canvas/
row.rs
