xitca_http/h1/proto/
header.rs

1use core::mem::MaybeUninit;
2
3use xitca_unsafe_collection::uninit::PartialInit;
4
5use httparse::Header;
6
7use super::error::ProtoError;
8
9use crate::http::header::HeaderValue;
10
11#[derive(Clone, Copy)]
12pub struct HeaderIndex {
13    pub name: (usize, usize),
14    pub value: (usize, usize),
15}
16
17impl HeaderIndex {
18    /// Record indices of pointer offset of give &[Header<'_>] slice from the &[u8] it parse from.
19    pub fn record<'i>(indices: &'i mut [MaybeUninit<Self>], buf: &[u8], headers: &[Header<'_>]) -> &'i [Self] {
20        let head = buf.as_ptr() as usize;
21        indices.init_from(headers.iter()).into_init_with(|header| {
22            let name_start = header.name.as_ptr() as usize - head;
23            let value_start = header.value.as_ptr() as usize - head;
24            let name_end = name_start + header.name.len();
25            let value_end = value_start + header.value.len();
26            Self {
27                name: (name_start, name_end),
28                value: (value_start, value_end),
29            }
30        })
31    }
32}
33
34pub(super) fn parse_content_length(val: &HeaderValue) -> Result<u64, ProtoError> {
35    val.to_str()
36        .ok()
37        .and_then(|v| v.parse().ok())
38        .ok_or(ProtoError::HeaderValue)
39}
xitca_http/h1/proto/header.rs

xitca_http/h1/proto/
header.rs
