dangerous 0.10.0

Safely and explicitly parse untrusted / dangerous data
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

use super::{Bytes, BytesLength, String};

use crate::util::utf8::CharBytes;

pub unsafe trait Prefix<I>: BytesLength {
    fn is_prefix_of(self, input: &I) -> bool;
}

unsafe impl<'i, T, I> Prefix<I> for &T
where
    T: Prefix<I>,
{
    #[inline(always)]
    fn is_prefix_of(self, input: &I) -> bool {
        (*self).is_prefix_of(input)
    }
}

unsafe impl<'i> Prefix<Bytes<'i>> for u8 {
    #[inline(always)]
    fn is_prefix_of(self, input: &Bytes<'i>) -> bool {
        input.as_dangerous().starts_with(&[self])
    }
}

unsafe impl<'i> Prefix<String<'i>> for char {
    #[inline(always)]
    fn is_prefix_of(self, input: &String<'i>) -> bool {
        match input.as_dangerous().chars().next() {
            Some(c) => c == self,
            None => false,
        }
    }
}

unsafe impl<'i> Prefix<Bytes<'i>> for char {
    #[inline(always)]
    fn is_prefix_of(self, input: &Bytes<'i>) -> bool {
        let bytes = CharBytes::from(self);
        input.as_dangerous().starts_with(bytes.as_bytes())
    }
}

unsafe impl<'i> Prefix<Bytes<'i>> for &[u8] {
    #[inline(always)]
    fn is_prefix_of(self, input: &Bytes<'i>) -> bool {
        input.as_dangerous().starts_with(self)
    }
}

unsafe impl<'i> Prefix<String<'i>> for &str {
    #[inline(always)]
    fn is_prefix_of(self, input: &String<'i>) -> bool {
        input.as_dangerous().starts_with(self)
    }
}

unsafe impl<'i> Prefix<Bytes<'i>> for &str {
    #[inline(always)]
    fn is_prefix_of(self, input: &Bytes<'i>) -> bool {
        input.as_dangerous().starts_with(self.as_bytes())
    }
}

unsafe impl<'i, const N: usize> Prefix<Bytes<'i>> for &[u8; N] {
    #[inline(always)]
    fn is_prefix_of(self, input: &Bytes<'i>) -> bool {
        input.as_dangerous().starts_with(&self[..])
    }
}