cli-app-template 0.2.3

Starter template for CLI applications
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

use std::fmt;

use owo_colors::{OwoColorize, Stream::Stdout};

macro_rules! trait_methods {
    ($( $color:ident ),* $(,)?) => {
        $(
            fn $color(&self) -> String;
         )*
    };
}

#[allow(dead_code)]
pub trait Colorize {
    trait_methods!(
        black,
        red,
        green,
        yellow,
        blue,
        magenta,
        cyan,
        white,
        bright_black,
        bright_red,
        bright_green,
        bright_yellow,
        bright_blue,
        bright_magenta,
        bright_cyan,
        bright_white,
    );
}

macro_rules! display_methods {
    ($( $color:ident ),* $(,)?) => {
        $(
            fn $color(&self) -> String {
                self.if_supports_color(Stdout, OwoColorize::$color).to_string()
            }
         )*
    };
}

impl<D: fmt::Display> Colorize for D {
    display_methods!(
        black,
        red,
        green,
        yellow,
        blue,
        magenta,
        cyan,
        white,
        bright_black,
        bright_red,
        bright_green,
        bright_yellow,
        bright_blue,
        bright_magenta,
        bright_cyan,
        bright_white,
    );
}