67 lines
1.7 KiB
Rust
67 lines
1.7 KiB
Rust
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use std::{array::TryFromSliceError, fmt, io, num::TryFromIntError, string::FromUtf8Error};
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#[derive(Debug)]
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pub enum Error {
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Int(TryFromIntError),
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Io(io::Error),
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Utf8(FromUtf8Error),
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Slice(TryFromSliceError),
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InvalidChecksum,
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MissingData,
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UnexpectedData,
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UnknownFileType,
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Other(String),
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}
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impl fmt::Display for Error {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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match self {
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Self::Int(e) => write!(f, "{e}"),
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Self::Utf8(e) => write!(f, "{e}"),
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Self::Slice(e) => write!(f, "{e}"),
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Self::Io(e) => write!(f, "{e}"),
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Self::InvalidChecksum => write!(f, "invalid checksum"),
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Self::MissingData => write!(f, "missing data"),
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Self::UnexpectedData => write!(f, "unexpected data"),
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Self::UnknownFileType => write!(f, "unknown file type"),
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Self::Other(s) => write!(f, "{s}"),
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}
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}
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}
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impl std::error::Error for Error {
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fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
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match self {
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Self::Int(e) => Some(e),
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Self::Io(e) => Some(e),
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Self::Utf8(e) => Some(e),
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Self::Slice(e) => Some(e),
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_ => None,
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}
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}
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}
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impl From<TryFromIntError> for Error {
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fn from(value: TryFromIntError) -> Self {
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Self::Int(value)
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}
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}
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impl From<io::Error> for Error {
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fn from(value: io::Error) -> Self {
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Self::Io(value)
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}
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}
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impl From<FromUtf8Error> for Error {
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fn from(value: FromUtf8Error) -> Self {
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Self::Utf8(value)
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}
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}
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impl From<TryFromSliceError> for Error {
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fn from(value: TryFromSliceError) -> Self {
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Self::Slice(value)
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}
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}
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