http_protocol/method/
mod.rs

1use bytes::Bytes;
2use std::error::Error;
3use std::fmt;
4
5#[derive(Debug, Clone)]
6pub enum MethodError {
7    InvalidMethod,
8}
9
10impl fmt::Display for MethodError {
11    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
12        match self {
13            MethodError::InvalidMethod => write!(f, "Invalid method."),
14        }
15    }
16}
17
18impl Error for MethodError {}
19
20#[derive(Debug, Clone, PartialEq, Eq)]
21pub enum Method {
22    Get,
23    Head,
24    Post,
25    Put,
26    Delete,
27    Connect,
28    Options,
29    Trace,
30    Patch,
31}
32
33impl From<Method> for Bytes {
34    fn from(x: Method) -> Self {
35        match x {
36            Method::Get => Bytes::from_static(b"GET"),
37            Method::Head => Bytes::from_static(b"HEAD"),
38            Method::Post => Bytes::from_static(b"POST"),
39            Method::Put => Bytes::from_static(b"PUT"),
40            Method::Delete => Bytes::from_static(b"DELETE"),
41            Method::Connect => Bytes::from_static(b"CONNECT"),
42            Method::Options => Bytes::from_static(b"OPTIONS"),
43            Method::Trace => Bytes::from_static(b"TRACE"),
44            Method::Patch => Bytes::from_static(b"PATCH"),
45        }
46    }
47}
48
49#[inline]
50pub fn parse_method(v: &[u8]) -> Result<Method, MethodError> {
51    if v.len() < 3 || v.len() > 7 {
52        return Err(MethodError::InvalidMethod);
53    }
54
55    let mut buf = [0u8; 8];
56    &buf[0..v.len()].copy_from_slice(v);
57
58    let val = u64::from_be_bytes(buf);
59
60    match val {
61        0x4745540000000000 => Ok(Method::Get),
62        0x4845414400000000 => Ok(Method::Head),
63        0x504f535400000000 => Ok(Method::Post),
64        0x5055540000000000 => Ok(Method::Put),
65        0x44454c4554450000 => Ok(Method::Delete),
66        0x434f4e4e45435400 => Ok(Method::Connect),
67        0x4f5054494f4e5300 => Ok(Method::Options),
68        0x5452414345000000 => Ok(Method::Trace),
69        0x5041544348000000 => Ok(Method::Patch),
70        _ => Err(MethodError::InvalidMethod),
71    }
72}
http_protocol/method/mod.rs

http_protocol/method/
mod.rs
