logicaffeine_language/
style.rs

1//! ANSI terminal color styling for error messages.
2//!
3//! This module provides simple ANSI escape code wrappers for colorizing
4//! terminal output in error messages. All colors automatically reset at the end.
5
6/// ANSI escape code styling utilities.
7pub struct Style;
8
9impl Style {
10    pub const RESET: &'static str = "\x1b[0m";
11    pub const BOLD: &'static str = "\x1b[1m";
12    pub const RED: &'static str = "\x1b[31m";
13    pub const GREEN: &'static str = "\x1b[32m";
14    pub const YELLOW: &'static str = "\x1b[33m";
15    pub const BLUE: &'static str = "\x1b[34m";
16    pub const CYAN: &'static str = "\x1b[36m";
17
18    pub fn red(s: &str) -> String {
19        format!("{}{}{}", Self::RED, s, Self::RESET)
20    }
21
22    pub fn blue(s: &str) -> String {
23        format!("{}{}{}", Self::BLUE, s, Self::RESET)
24    }
25
26    pub fn cyan(s: &str) -> String {
27        format!("{}{}{}", Self::CYAN, s, Self::RESET)
28    }
29
30    pub fn yellow(s: &str) -> String {
31        format!("{}{}{}", Self::YELLOW, s, Self::RESET)
32    }
33
34    pub fn green(s: &str) -> String {
35        format!("{}{}{}", Self::GREEN, s, Self::RESET)
36    }
37
38    pub fn bold(s: &str) -> String {
39        format!("{}{}{}", Self::BOLD, s, Self::RESET)
40    }
41
42    pub fn bold_red(s: &str) -> String {
43        format!("{}{}{}{}", Self::BOLD, Self::RED, s, Self::RESET)
44    }
45}
46
47#[cfg(test)]
48mod tests {
49    use super::*;
50
51    #[test]
52    fn red_wraps_string() {
53        let result = Style::red("error");
54        assert!(result.contains("\x1b[31m"));
55        assert!(result.contains("error"));
56        assert!(result.contains("\x1b[0m"));
57    }
58
59    #[test]
60    fn bold_red_combines_codes() {
61        let result = Style::bold_red("Error");
62        assert!(result.contains("\x1b[1m"));
63        assert!(result.contains("\x1b[31m"));
64    }
65}
logicaffeine_language/style.rs

logicaffeine_language/
style.rs
