midi_codec/de/
builder.rs

1#[cfg(feature = "alloc")]
2use alloc::{vec, vec::Vec};
3
4use crate::io::ReadSimple;
5
6use super::Decoder;
7
8pub struct DecoderBuilder<R = (), B = ()> {
9    reader: R,
10    buf: B,
11}
12
13impl Default for DecoderBuilder {
14    fn default() -> Self {
15        Self {
16            reader: (),
17            buf: (),
18        }
19    }
20}
21
22impl DecoderBuilder<(), ()> {
23    #[deprecated = "DecoderBuilder is missing a reader and a buffer, which are required to build a decoder."]
24    pub fn build(self) -> ! {
25        panic!("See compilation warning");
26    }
27}
28
29impl<R> DecoderBuilder<(R,), ()> {
30    #[deprecated = "DecoderBuilder is missing a buffer, which is required to build a decoder."]
31    pub fn build(self) -> ! {
32        panic!("See compilation warning");
33    }
34}
35
36impl<B> DecoderBuilder<(), (B,)> {
37    #[deprecated = "DecoderBuilder is missing a reader, which is required to build a decoder."]
38    pub fn build(self) -> ! {
39        panic!("See compilation warning");
40    }
41}
42
43impl<B> DecoderBuilder<(), B> {
44    pub fn with_reader<R>(self, reader: R) -> DecoderBuilder<(R,), B>
45    where
46        R: ReadSimple,
47    {
48        DecoderBuilder {
49            reader: (reader,),
50            buf: self.buf,
51        }
52    }
53}
54
55impl<R> DecoderBuilder<R, ()> {
56    pub fn with_buffer<B>(self, buf: B) -> DecoderBuilder<R, (B,)>
57    where
58        B: AsMut<[u8]>,
59    {
60        DecoderBuilder {
61            reader: self.reader,
62            buf: (buf,),
63        }
64    }
65
66    pub fn with_stack_buffer<const SIZE: usize>(self) -> DecoderBuilder<R, ([u8; SIZE],)> {
67        self.with_buffer([0; SIZE])
68    }
69
70    #[cfg(feature = "alloc")]
71    pub fn with_heap_buffer(self, size: usize) -> DecoderBuilder<R, (Vec<u8>,)> {
72        self.with_buffer(vec![0; size])
73    }
74}
75
76impl<R, B> DecoderBuilder<(R,), (B,)>
77where
78    R: ReadSimple,
79    B: AsMut<[u8]>,
80{
81    pub fn build(self) -> Decoder<R, B> {
82        Decoder::new(self.reader.0, self.buf.0)
83    }
84}
midi_codec/de/builder.rs

midi_codec/de/
builder.rs
