diny_core/buffer/
buffer_encode.rs

1use core::task::{Context};
2use crate::backend::{self, Encode, Format, FormatEncode};
3use crate::io;
4
5/// A convenience trait for types that encode to an intermediate
6/// buffer prior to serialization.
7pub trait BufferEncode: Sized {
8    type Format: FormatEncode;
9    type Data;
10
11    fn init_buffer(data: &Self::Data) -> Self;
12
13    fn start_encode_buffer<W>(format: &Self::Format, writer: &mut W, data: &Self::Data, cx: &mut Context<'_>) -> backend::StartEncodeStatus<Self, <<Self as BufferEncode>::Format as Format>::Error>
14    where
15        W: io::AsyncWrite + Unpin,
16    ;
17
18    fn poll_encode_buffer<W>(&mut self, format: &Self::Format, writer: &mut W, cx: &mut Context<'_>) -> backend::PollEncodeStatus<<<Self as BufferEncode>::Format as Format>::Error>
19    where
20        W: io::AsyncWrite + Unpin,
21    ;
22}
23
24impl<T> Encode for T where T: BufferEncode {
25    type Format = T::Format;
26    type Data = T::Data;
27
28    fn init(data: &Self::Data) -> Self {
29        Self::init_buffer(data)
30    }
31
32    fn start_encode<W>(format: &Self::Format, writer: &mut W, data: &Self::Data, cx: &mut Context<'_>) -> backend::StartEncodeStatus<Self, <<Self as BufferEncode>::Format as Format>::Error>
33    where
34        W: io::AsyncWrite + Unpin,
35    {
36        <Self as BufferEncode>::start_encode_buffer(format, writer, data, cx)
37    }
38
39    fn poll_encode<W>(&mut self, format: &Self::Format, writer: &mut W, _data: &Self::Data, cx: &mut Context<'_>) -> backend::PollEncodeStatus<<<Self as BufferEncode>::Format as Format>::Error>
40    where
41        W: io::AsyncWrite + Unpin,
42     {
43        self.poll_encode_buffer(format, writer, cx)
44    }
45}
diny_core/buffer/buffer_encode.rs

diny_core/buffer/
buffer_encode.rs
