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
pub const TEXT_FLOW_CONTROL_CHARS: &[char] = &[
'\u{202A}', '\u{202B}', '\u{202D}', '\u{202E}', '\u{2066}', '\u{2067}', '\u{2068}', '\u{202C}',
'\u{2069}',
];
#[inline]
pub fn contains_text_flow_control_chars(s: &str) -> bool {
let mut bytes = s.as_bytes();
loop {
match core::slice::memchr::memchr(0xE2, &bytes) {
Some(idx) => {
let ch = &bytes[idx..idx + 3];
match ch {
[_, 0x80, 0xAA..=0xAE] | [_, 0x81, 0xA6..=0xA9] => break true,
_ => {}
}
bytes = &bytes[idx + 3..];
}
None => {
break false;
}
}
}
}