sark 0.11.0

Simple Asynchronous Rust webKit - Server
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
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90

#[derive(Clone, Copy, PartialEq, Eq)]
pub enum Key {
    Other,
    Get,
    Post,
    Put,
    Patch,
    Delete,
    Head,
    Options,
}

impl Key {
    pub fn miss_tag(maybe: Option<Self>, path_hit: bool) -> u64 {
        let method_tag = match maybe {
            None => 0u64,
            Some(Self::Other) => 1u64,
            Some(Self::Get) => 2u64,
            Some(Self::Post) => 3u64,
            Some(Self::Put) => 4u64,
            Some(Self::Patch) => 5u64,
            Some(Self::Delete) => 6u64,
            Some(Self::Head) => 7u64,
            Some(Self::Options) => 8u64,
        };
        let path_tag = if path_hit { 1u64 } else { 0u64 };
        (path_tag << 8) | method_tag
    }

    pub fn from_method(method: &http::Method) -> Self {
        Self::from_bytes(method.as_str().as_bytes())
    }

    pub fn from_bytes(bytes: &[u8]) -> Self {
        match bytes.len() {
            3 => {
                const GE: u16 = u16::from_le_bytes(*b"GE");
                const PU: u16 = u16::from_le_bytes(*b"PU");
                if bytes[2] != b'T' {
                    return Self::Other;
                }
                match u16::from_le_bytes(bytes[..2].try_into().unwrap()) {
                    GE => Self::Get,
                    PU => Self::Put,
                    _ => Self::Other,
                }
            }
            4 => {
                const POST: u32 = u32::from_le_bytes(*b"POST");
                const HEAD: u32 = u32::from_le_bytes(*b"HEAD");
                match u32::from_le_bytes(bytes[..4].try_into().unwrap()) {
                    POST => Self::Post,
                    HEAD => Self::Head,
                    _ => Self::Other,
                }
            }
            5 => {
                const PATC: u32 = u32::from_le_bytes(*b"PATC");
                if u32::from_le_bytes(bytes[..4].try_into().unwrap()) == PATC && bytes[4] == b'H' {
                    Self::Patch
                } else {
                    Self::Other
                }
            }
            6 => {
                const DELE: u32 = u32::from_le_bytes(*b"DELE");
                const TE: u16 = u16::from_le_bytes(*b"TE");
                if u32::from_le_bytes(bytes[..4].try_into().unwrap()) == DELE
                    && u16::from_le_bytes(bytes[4..6].try_into().unwrap()) == TE
                {
                    Self::Delete
                } else {
                    Self::Other
                }
            }
            7 => {
                const OPTI: u32 = u32::from_le_bytes(*b"OPTI");
                const IONS: u32 = u32::from_le_bytes(*b"IONS");
                if u32::from_le_bytes(bytes[..4].try_into().unwrap()) == OPTI
                    && u32::from_le_bytes(bytes[3..7].try_into().unwrap()) == IONS
                {
                    Self::Options
                } else {
                    Self::Other
                }
            }
            _ => Self::Other,
        }
    }
}