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
#[cfg(not(feature = "unic-ucd-category"))]
mod mark {
use unic_char_property::tables::CharDataTable;
const GENERAL_CATEGORY_MARK: CharDataTable<()> =
include!("../tables/general_category_mark.rsv");
pub fn is_combining_mark(c: char) -> bool {
CharDataTable::<()>::find(&GENERAL_CATEGORY_MARK, c).is_some()
}
}
#[cfg(feature = "unic-ucd-category")]
mod mark {
use unic_ucd_category;
use self::unic_ucd_category::GeneralCategory;
pub fn is_combining_mark(c: char) -> bool {
GeneralCategory::of(c).is_mark()
}
}
pub use self::mark::is_combining_mark;
#[cfg(test)]
mod tests {
use super::*;
use core::char;
#[test]
fn test_is_combining_mark_ascii() {
for cp in 0..0x7f {
assert!(!is_combining_mark(char::from_u32(cp).unwrap()));
}
}
#[test]
fn test_is_combining_mark_misc() {
assert!(is_combining_mark('\u{11C3A}'));
assert!(is_combining_mark('\u{11C3F}'));
}
}