blob: fe5398fb573bc05c7442e2e69937950eb8fa025d (
plain)
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
|
//! ref: composer/vendor/symfony/finder/Glob.php
#[derive(Debug)]
pub struct Glob;
impl Glob {
pub fn to_regex(glob: &str, strict_leading_dot: bool, strict_wildcard_slash: bool) -> String {
let delimiter = '#';
let mut first_byte = true;
let mut escaping = false;
let mut in_curlies: i64 = 0;
let mut regex = String::new();
let bytes = glob.as_bytes();
let size_glob = bytes.len();
let mut i = 0;
while i < size_glob {
let mut car = (bytes[i] as char).to_string();
if first_byte && strict_leading_dot && car != "." {
regex.push_str("(?=[^\\.])");
}
first_byte = car == "/";
if first_byte
&& strict_wildcard_slash
&& i + 2 < size_glob
&& bytes[i + 1] == b'*'
&& bytes[i + 2] == b'*'
&& (i + 3 >= size_glob || bytes[i + 3] == b'/')
{
let mut new_car = String::from("[^/]++/");
if i + 3 >= size_glob {
new_car.push('?');
}
if strict_leading_dot {
new_car = format!("(?=[^\\.]){}", new_car);
}
new_car = format!("/(?:{})*", new_car);
i += 2 + usize::from(i + 3 < size_glob);
if delimiter == '/' {
new_car = new_car.replace('/', "\\/");
}
car = new_car;
}
if car == delimiter.to_string()
|| car == "."
|| car == "("
|| car == ")"
|| car == "|"
|| car == "+"
|| car == "^"
|| car == "$"
{
regex.push('\\');
regex.push_str(&car);
} else if car == "*" {
regex.push_str(if escaping {
"\\*"
} else if strict_wildcard_slash {
"[^/]*"
} else {
".*"
});
} else if car == "?" {
regex.push_str(if escaping {
"\\?"
} else if strict_wildcard_slash {
"[^/]"
} else {
"."
});
} else if car == "{" {
regex.push_str(if escaping { "\\{" } else { "(" });
if !escaping {
in_curlies += 1;
}
} else if car == "}" && in_curlies > 0 {
regex.push_str(if escaping { "}" } else { ")" });
if !escaping {
in_curlies -= 1;
}
} else if car == "," && in_curlies > 0 {
regex.push_str(if escaping { "," } else { "|" });
} else if car == "\\" {
if escaping {
regex.push_str("\\\\");
escaping = false;
} else {
escaping = true;
}
i += 1;
continue;
} else {
regex.push_str(&car);
}
escaping = false;
i += 1;
}
format!("{delimiter}^{regex}${delimiter}")
}
}
|
