nxfetch 0.3.0

A minimal, fast and batteries included fetcher!
Documentation 
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
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132

use clap::Parser;
use colored::Colorize;
use itertools::{EitherOrBoth::*, Itertools};
use nxfetch::{
    args::{FetchCommand, InfoField},
    logo::Logo,
};
use std::cmp::Ordering;
use std::iter::repeat;

fn main() {
    let args = FetchCommand::parse();

    let logo = match args.no_logo || args.raw {
        false => Logo::new(args.logo),
        true => Logo::empty(),
    };

    let modules: Vec<(usize, String)> = (match args.modules.is_empty() {
        true => vec![
            // title
            InfoField::Title,
            InfoField::Empty,
            // system
            InfoField::OS,
            InfoField::Kernel,
            InfoField::Uptime,
            // hardware
            InfoField::CPU,
            InfoField::Memory,
            InfoField::Disk,
            // environment
            InfoField::Terminal,
            InfoField::Desktop,
            // colors
            InfoField::Empty,
            InfoField::ColoursDual,
        ],
        false => args.modules,
    })
    .iter()
    .map(|info_field| info_field.to_microfetcher())
    .flat_map(|fetcher| {
        fetcher
            .as_str(args.no_module_names || args.raw)
            .lines()
            .map(String::from)
            .collect::<Vec<String>>()
            .into_iter()
            .enumerate()
            .map(move |(idx, value)| {
                (
                    match (idx, args.raw) {
                        (0, true) => 0,
                        (0, false) => fetcher.get_name().len(),
                        _ => 1,
                    },
                    match idx == 0 {
                        true => value,
                        false => format!("{}{}", ". ".bold(), value),
                    },
                )
            })
    })
    .collect();

    let padding_before = if args.raw { 0 } else { args.padding_before };
    let padding_between = if args.raw || args.no_logo {
        0
    } else {
        args.padding_between
    };

    let module_name_max_len = *modules
        .iter()
        .map(|(module_name_len, _)| module_name_len)
        .max()
        .unwrap();

    let difference = logo.lines.len() as isize - modules.len() as isize;
    let (logo_vec, modules_vec): (Vec<String>, Vec<(usize, String)>) = match difference.cmp(&0) {
        Ordering::Less => (
            repeat(String::new())
                .take(difference.unsigned_abs() / 2)
                .chain(logo.lines)
                .collect(),
            modules.into_iter().collect(),
        ),
        Ordering::Equal => (logo.lines, modules),
        Ordering::Greater => (
            logo.lines,
            repeat((0, String::new()))
                .take(difference.unsigned_abs() / 2)
                .chain(modules)
                .collect(),
        ),
    };

    for pair in logo_vec.iter().zip_longest(modules_vec.iter()) {
        let (l, r, module_name_len) = match pair {
            Both(l, r) => (
                l.to_owned() + &" ".repeat(logo.max_len - Logo::get_len(l)),
                r.1.to_owned(),
                r.0,
            ),
            Left(l) => (
                l.to_owned() + &" ".repeat(logo.max_len - Logo::get_len(l)),
                " ".to_string(),
                0,
            ),
            Right(r) => (" ".repeat(logo.max_len), r.1.to_owned(), r.0),
        };

        let padding_between = if !args.no_module_names {
            padding_between + module_name_max_len - module_name_len
        } else {
            padding_between
        };

        println!(
            "{}",
            format!(
                "{}{}{}{}",
                " ".repeat(padding_before),
                l,
                " ".repeat(padding_between),
                r
            )
            .trim_end()
        );
    }
}