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
|
use jwalk::WalkDir;
use std::fmt;
use std::path::Path;
/// Specifies a way to format bytes
#[derive(Clone, Copy)]
pub enum ByteFormat {
/// metric format, based on 1000.
Metric,
/// binary format, based on 1024
Binary,
/// raw bytes, without additional formatting
Bytes,
}
impl ByteFormat {
pub fn display(&self, bytes: u64) -> ByteFormatDisplay {
ByteFormatDisplay {
format: *self,
bytes,
}
}
}
pub struct ByteFormatDisplay {
format: ByteFormat,
bytes: u64,
}
impl fmt::Display for ByteFormatDisplay {
fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {
use byte_unit::Byte;
use ByteFormat::*;
let binary = match self.format {
Bytes => return write!(f, "{} b", self.bytes),
Binary => true,
Metric => false,
};
let b = Byte::from_bytes(self.bytes as u128)
.get_appropriate_unit(binary)
.format(2);
let mut splits = b.split(' ');
match (splits.next(), splits.next()) {
(Some(bytes), Some(unit)) => write!(
f,
"{:>8} {:>unit_width$}",
bytes,
unit,
unit_width = match self.format {
Binary => 3,
Metric => 2,
_ => 2,
}
),
_ => f.write_str(&b),
}
}
}
/// Identify the kind of sorting to apply during filesystem iteration
#[derive(Clone)]
pub enum TraversalSorting {
None,
AlphabeticalByFileName,
}
/// Specify the kind of color to use
#[derive(Clone, Copy)]
pub enum Color {
/// Use no color
None,
/// Use terminal colors
Terminal,
}
pub(crate) struct DisplayColor<C> {
kind: Color,
color: C,
}
impl Color {
pub(crate) fn display<C>(&self, color: C) -> DisplayColor<C> {
DisplayColor { kind: *self, color }
}
}
impl<C> fmt::Display for DisplayColor<C>
where
C: fmt::Display,
{
fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {
match self.kind {
Color::None => Ok(()),
Color::Terminal => self.color.fmt(f),
}
}
}
/// Configures a filesystem walk, including output and formatting options.
#[derive(Clone)]
pub struct WalkOptions {
/// The amount of threads to use. Refer to [`WalkDir::num_threads()`](https://docs.rs/jwalk/0.4.0/jwalk/struct.WalkDir.html#method.num_threads)
/// for more information.
pub threads: usize,
pub byte_format: ByteFormat,
pub color: Color,
pub sorting: TraversalSorting,
}
impl WalkOptions {
pub(crate) fn iter_from_path(&self, path: &Path) -> WalkDir {
WalkDir::new(path)
.preload_metadata(true)
.sort(match self.sorting {
TraversalSorting::None => false,
TraversalSorting::AlphabeticalByFileName => true,
})
.skip_hidden(false)
.num_threads(self.threads)
}
}
/// Information we gather during a filesystem walk
#[derive(Default)]
pub struct WalkResult {
/// The amount of io::errors we encountered. Can happen when fetching meta-data, or when reading the directory contents.
pub num_errors: u64,
}
|
