sark 0.11.0

Simple Asynchronous Rust webKit - Server
Documentation 
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#![allow(clippy::too_many_arguments)]

use std::ops::Range;

use sark_core::error::Result;
use sark_core::http::codec::HeaderScan;
use sark_core::http::head::{Flags, HeadInput, HeaderLineScan, WellKnownHeaders};

use super::plan::HeaderValue;
use super::spec::RouteParams;
use crate::request;

#[derive(Clone, Copy, Debug, PartialEq, Eq)]
pub enum BodyPolicy {
    Buffered,
    Discarded,
}

pub trait RouteRequestImpl {
    type HeaderSlot: Copy;
    type RawHeaders: Default;
    type RawParams: Default;
    type Params<'req>: RouteParams<'req, Raw = Self::RawParams>;
    type Headers<'req>;
    type ParsedBody<'req>;

    const NEED_HEADER: bool = false;
    const NEED_KNOWN_HEADER: bool = false;
    const NEED_QUERY: bool = false;
    const BODY_POLICY: BodyPolicy = BodyPolicy::Buffered;

    fn parse_body<'req>(raw: &'req [u8]) -> Result<Self::ParsedBody<'req>>;

    fn header_slot_bytes(_name: &[u8]) -> Option<Self::HeaderSlot> {
        None
    }

    fn header_slot_u8(_name: &[u8]) -> Option<u8> {
        None
    }

    fn scan_header_contig(rest: &[u8]) -> Result<Option<HeaderLineScan>> {
        Ok(HeaderLineScan::find(rest, 0))
    }

    fn apply_header_contig<I: HeadInput + ?Sized>(
        _headers: &mut Self::RawHeaders,
        _input: &I,
        rest: &[u8],
        _line_start: usize,
        scan: &mut HeaderScan,
        flags: &mut Flags,
        header_count: &mut usize,
        max_header_count: usize,
    ) -> Result<Option<usize>> {
        WellKnownHeaders::new(scan, flags).apply_contiguous(
            rest,
            &mut (),
            header_count,
            max_header_count,
        )
    }

    fn apply_header<I: HeadInput + ?Sized>(
        _headers: &mut Self::RawHeaders,
        input: &I,
        line: &[u8],
        line_start: usize,
        colon_idx: usize,
        pretrim_start: Option<usize>,
        pretrim_end: Option<usize>,
        scan: &mut HeaderScan,
        flags: &mut Flags,
        scan_info: Option<&HeaderLineScan>,
    ) -> Result<()> {
        let _ = (input, line_start, scan_info);
        WellKnownHeaders::new(scan, flags).apply(line, colon_idx, pretrim_start, pretrim_end)
    }

    fn set_header_raw<V: HeaderValue>(
        _headers: &mut Self::RawHeaders,
        _slot: Self::HeaderSlot,
        _value: &V,
    ) -> Result<()> {
        Ok(())
    }

    fn set_header_name_raw<V: HeaderValue>(
        _headers: &mut Self::RawHeaders,
        _name: &[u8],
        _value: &V,
    ) -> Result<()> {
        Ok(())
    }

    fn set_header_u8<V: HeaderValue>(
        _headers: &mut Self::RawHeaders,
        _slot: u8,
        _value: &V,
    ) -> Result<()> {
        Ok(())
    }

    fn set_query_name_raw<V: HeaderValue>(
        _headers: &mut Self::RawHeaders,
        _name: &[u8],
        _value: &V,
    ) -> Result<()> {
        Ok(())
    }

    fn set_query_slice_raw(
        _headers: &mut Self::RawHeaders,
        _name: &[u8],
        _input: &[u8],
        _range: Range<usize>,
    ) -> Result<()> {
        Ok(())
    }

    fn parse_query_raw(
        _headers: &mut Self::RawHeaders,
        _input: &[u8],
        _range: Range<usize>,
    ) -> Result<()> {
        Ok(())
    }

    fn build_headers<'req>(
        req: &request::Ref<'req>,
        headers: Self::RawHeaders,
    ) -> Result<Self::Headers<'req>>;

    fn build_params<'req>(
        req: &request::Ref<'req>,
        params: Self::RawParams,
    ) -> Option<Self::Params<'req>>
    where
        Self::Params<'req>: RouteParams<'req>,
    {
        <Self::Params<'req> as RouteParams<'req>>::from_raw(req, params)
    }
}