rosetta_squint_decode/
error.rs

1use thiserror::Error;
2use crate::types::Format;
3
4/// Categorizes decode failures.
5#[derive(Debug, Clone, Copy, PartialEq, Eq)]
6pub enum DecodeErrorKind {
7    UnsupportedFormat,
8    CorruptInput,
9    Truncated,
10    UnsupportedFeature,
11    ImageTooLarge,
12}
13
14impl DecodeErrorKind {
15    pub fn as_str(&self) -> &'static str {
16        match self {
17            DecodeErrorKind::UnsupportedFormat => "unsupportedFormat",
18            DecodeErrorKind::CorruptInput => "corruptInput",
19            DecodeErrorKind::Truncated => "truncated",
20            DecodeErrorKind::UnsupportedFeature => "unsupportedFeature",
21            DecodeErrorKind::ImageTooLarge => "imageTooLarge",
22        }
23    }
24}
25
26impl std::fmt::Display for DecodeErrorKind {
27    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
28        f.write_str(self.as_str())
29    }
30}
31
32/// Error type returned by `decode`.
33#[derive(Debug, Clone, Error, PartialEq, Eq)]
34pub struct DecodeError {
35    pub kind: DecodeErrorKind,
36    pub format: Option<Format>,
37    pub detail: String,
38}
39
40impl std::fmt::Display for DecodeError {
41    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
42        match (&self.format, self.detail.is_empty()) {
43            (Some(fmt), false) => write!(f, "{}[{}]: {}", self.kind, fmt, self.detail),
44            (Some(fmt), true) => write!(f, "{}[{}]", self.kind, fmt),
45            (None, false) => write!(f, "{}: {}", self.kind, self.detail),
46            (None, true) => write!(f, "{}", self.kind),
47        }
48    }
49}
50
51impl DecodeError {
52    pub(crate) fn new(kind: DecodeErrorKind, format: Option<Format>, detail: impl Into<String>) -> Self {
53        DecodeError { kind, format, detail: detail.into() }
54    }
55}
rosetta_squint_decode/error.rs

rosetta_squint_decode/
error.rs
