relay-cli 0.1.2

CLI interface for Relay Agents.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79

use atty::Stream;
use console::{Style, Term};

#[derive(Clone)]
pub struct CliStyle {
    pub color: bool,
    pub unicode: bool,
}

impl CliStyle {
    pub fn detect() -> Self {
        let term = Term::stdout();

        let is_tty = atty::is(Stream::Stdout);

        let color = is_tty && term.features().colors_supported();
        let unicode = is_tty && cfg!(not(windows)) && std::env::var_os("NO_UNICODE").is_none();

        Self { color, unicode }
    }
}

#[derive(Clone)]
pub struct Symbols {
    pub ok: &'static str,
    pub warn: &'static str,
    pub err: &'static str,
    pub arrow: &'static str,
    pub bullet: &'static str,
}

impl Symbols {
    pub fn for_term(style: &CliStyle) -> Self {
        if style.unicode {
            Self {
                ok: "✔",
                warn: "⚠",
                err: "✖",
                arrow: "→",
                bullet: "•",
            }
        } else {
            Self {
                ok: "[OK]",
                warn: "[!]",
                err: "[X]",
                arrow: ">",
                bullet: "*",
            }
        }
    }
}

pub struct Styles {
    pub ok: Style,
    pub warn: Style,
    pub err: Style,
    pub dim: Style,
}

impl Styles {
    pub fn for_term(style: &CliStyle) -> Self {
        if style.color {
            Self {
                ok: Style::new().green().bold(),
                warn: Style::new().yellow().bold(),
                err: Style::new().red().bold(),
                dim: Style::new().dim(),
            }
        } else {
            Self {
                ok: Style::new(),
                warn: Style::new(),
                err: Style::new(),
                dim: Style::new(),
            }
        }
    }
}