jxl_vardct/
error.rs

1#[derive(Debug)]
2#[non_exhaustive]
3pub enum Error {
4    Bitstream(jxl_bitstream::Error),
5    Decoder(jxl_coding::Error),
6    Buffer(jxl_grid::Error),
7    Modular(jxl_modular::Error),
8}
9
10impl From<jxl_bitstream::Error> for Error {
11    fn from(err: jxl_bitstream::Error) -> Self {
12        Self::Bitstream(err)
13    }
14}
15
16impl From<jxl_coding::Error> for Error {
17    fn from(err: jxl_coding::Error) -> Self {
18        Self::Decoder(err)
19    }
20}
21
22impl From<jxl_grid::Error> for Error {
23    fn from(err: jxl_grid::Error) -> Self {
24        Self::Buffer(err)
25    }
26}
27
28impl From<jxl_modular::Error> for Error {
29    fn from(err: jxl_modular::Error) -> Self {
30        Self::Modular(err)
31    }
32}
33
34impl std::fmt::Display for Error {
35    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
36        use Error::*;
37
38        match self {
39            Bitstream(err) => write!(f, "bitstream error: {}", err),
40            Decoder(err) => write!(f, "entropy decoder error: {}", err),
41            Buffer(err) => write!(f, "{}", err),
42            Modular(err) => write!(f, "modular stream error: {}", err),
43        }
44    }
45}
46
47impl std::error::Error for Error {
48    fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
49        use Error::*;
50
51        match self {
52            Bitstream(err) => Some(err),
53            Decoder(err) => Some(err),
54            Buffer(err) => Some(err),
55            Modular(err) => Some(err),
56        }
57    }
58}
59
60impl Error {
61    pub fn unexpected_eof(&self) -> bool {
62        match self {
63            Error::Bitstream(e) => e.unexpected_eof(),
64            Error::Decoder(e) => e.unexpected_eof(),
65            Error::Modular(e) => e.unexpected_eof(),
66            _ => false,
67        }
68    }
69}
70
71pub type Result<T> = std::result::Result<T, Error>;
jxl_vardct/error.rs

jxl_vardct/
error.rs
