smelt_style/
style.rs

1//! Cell style: fg/bg color and text attributes. No terminal dependencies.
2
3#[derive(Copy, Clone, Debug, PartialEq, Eq, Ord, PartialOrd, Hash)]
4pub enum Color {
5    Reset,
6    Black,
7    DarkGrey,
8    Red,
9    DarkRed,
10    Green,
11    DarkGreen,
12    Yellow,
13    DarkYellow,
14    Blue,
15    DarkBlue,
16    Magenta,
17    DarkMagenta,
18    Cyan,
19    DarkCyan,
20    White,
21    Grey,
22    Rgb { r: u8, g: u8, b: u8 },
23    AnsiValue(u8),
24}
25
26#[derive(Clone, Copy, Debug, Default, PartialEq, Eq, Hash)]
27pub struct Style {
28    pub fg: Option<Color>,
29    pub bg: Option<Color>,
30    pub bold: bool,
31    pub dim: bool,
32    pub italic: bool,
33    pub underline: bool,
34    pub crossedout: bool,
35    pub reverse: bool,
36}
37
38impl Style {
39    pub const fn new() -> Self {
40        Self {
41            fg: None,
42            bg: None,
43            bold: false,
44            dim: false,
45            italic: false,
46            underline: false,
47            crossedout: false,
48            reverse: false,
49        }
50    }
51
52    pub fn fg(mut self, color: Color) -> Self {
53        self.fg = Some(color);
54        self
55    }
56
57    pub fn bg(mut self, color: Color) -> Self {
58        self.bg = Some(color);
59        self
60    }
61
62    pub fn bold(mut self) -> Self {
63        self.bold = true;
64        self
65    }
66
67    pub fn dim(mut self) -> Self {
68        self.dim = true;
69        self
70    }
71
72    pub fn italic(mut self) -> Self {
73        self.italic = true;
74        self
75    }
76
77    pub fn underline(mut self) -> Self {
78        self.underline = true;
79        self
80    }
81
82    pub fn crossedout(mut self) -> Self {
83        self.crossedout = true;
84        self
85    }
86
87    pub fn reverse(mut self) -> Self {
88        self.reverse = true;
89        self
90    }
91}
92
93#[cfg(test)]
94mod tests {
95    use super::*;
96
97    #[test]
98    fn style_builder_methods_set_their_fields() {
99        let s = Style::new()
100            .fg(Color::Red)
101            .bg(Color::Blue)
102            .bold()
103            .dim()
104            .italic()
105            .underline()
106            .crossedout()
107            .reverse();
108        assert_eq!(
109            s,
110            Style {
111                fg: Some(Color::Red),
112                bg: Some(Color::Blue),
113                bold: true,
114                dim: true,
115                italic: true,
116                underline: true,
117                crossedout: true,
118                reverse: true,
119            }
120        );
121    }
122}
smelt_style/style.rs

smelt_style/
style.rs
