boxxy 0.14.0

Linkable sandbox explorer
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
133
134
135
136
137
138
139

use clap::{App, Arg, AppSettings};
use crate::{Shell, Arguments};
use crate::errors::*;
use std::fs::{self, DirEntry};
use std::time::SystemTime;
#[cfg(unix)]
use std::os::unix::fs::MetadataExt;


fn perms_to_str(is_dir: bool, permissions: u32) -> String {
    let mut out: String = String::with_capacity(10);

    out.push(if is_dir { 'd' } else { '-' });

    out.push(if permissions & 0o400 > 0 { 'r' } else { '-' });
    out.push(if permissions & 0o200 > 0 { 'w' } else { '-' });
    out.push(if permissions & 0o100 > 0 { 'x' } else { '-' });

    out.push(if permissions &  0o40 > 0 { 'r' } else { '-' });
    out.push(if permissions &  0o20 > 0 { 'w' } else { '-' });
    out.push(if permissions &  0o10 > 0 { 'x' } else { '-' });

    out.push(if permissions &   0o4 > 0 { 'r' } else { '-' });
    out.push(if permissions &   0o2 > 0 { 'w' } else { '-' });
    out.push(if permissions &   0o1 > 0 { 'x' } else { '-' });

    out
}

fn since(time: SystemTime) -> String {
    let now = SystemTime::now();

    if now < time {
        String::from("future?!")
    } else {
        let duration = now.duration_since(time).unwrap().as_secs();

        let mut duration = (duration, "sec");

        for &(x, unit) in &[
                            (60, "min"),
                            (60, "hour"),
                            (24, "day"),
                            (31, "month"),
                            (12, "year"),
                           ] {
            if duration.0 > x {
                duration = (duration.0 / x, unit);
            } else {
                break;
            }
        }

        if duration.0 == 1 {
            format!("{:?} {} ago", duration.0, duration.1)
        } else {
            format!("{:?} {}s ago", duration.0, duration.1)
        }
    }
}

cfg_if::cfg_if! {
    if #[cfg(unix)] {
        #[inline]
        fn decorate(entry: &DirEntry) -> String {
            let meta = entry.metadata().unwrap();
            format!("{} {:5} {:5}  {:14} {:?}",
                perms_to_str(meta.is_dir(), meta.mode()), meta.uid(), meta.gid(),
                meta.modified().ok().map_or_else(|| String::from("-"), since),
                entry.path())
        }
    } else {
        #[inline]
        fn decorate(entry: &DirEntry) -> String {
            let meta = entry.metadata().unwrap();
            format!("{} {:5} {:5}  {:14} {:?}",
                perms_to_str(meta.is_dir(), 0), 0, 0,
                meta.modified().ok().map_or_else(|| String::from("-"), since),
                entry.path())
        }
    }
}

pub fn ls(sh: &mut Shell, args: Arguments) -> Result<()> {
    let matches = App::new("ls")
        .setting(AppSettings::DisableVersion)
        .arg(Arg::with_name("path")
            .multiple(true)
        )
        .arg(Arg::with_name("long").short('l').help("Show more infos"))
        .arg(Arg::with_name("a").short('a').help("Dummy option"))
        .arg(Arg::with_name("h").short('h').help("Dummy option"))
        .get_matches_from_safe(args)?;

    let long = matches.is_present("long");

    let paths = match matches.values_of("path") {
        Some(paths) => paths.into_iter().collect(),
        None => vec!["."],
    };

    for path in paths {
        debug!("ls: {:?}", path);

        match fs::read_dir(path) {
            Ok(entries) => {
                for entry in entries {
                    let entry = entry.unwrap();
                    if long {
                        shprintln!(sh, "{}", decorate(&entry));
                    } else {
                        shprintln!(sh, "{:?}", entry.path());
                    }
                }
            },
            Err(err) => shprintln!(sh, "{:?}: {:?}", path, err),
        }
    }

    Ok(())
}


#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_permission_formatter() {
        assert_eq!("drwxrwxrwx", perms_to_str(true, 0o777));
        assert_eq!("-rwxrwxrwx", perms_to_str(false, 0o777));
        assert_eq!("drwxr-xr-x", perms_to_str(true, 0o755));
        assert_eq!("-rw-r--r--", perms_to_str(false, 0o644));
        assert_eq!("drwx------", perms_to_str(true, 0o700));
        assert_eq!("-rwxr-xr-x", perms_to_str(false, 0o4755));
        assert_eq!("----------", perms_to_str(false, 0o000));
        assert_eq!("----------", perms_to_str(false, 0o4000));
    }
}