50 lines
1.3 KiB
Rust
50 lines
1.3 KiB
Rust
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use num_enum::TryFromPrimitiveError;
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use thiserror::Error;
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use crate::parse::{self, Op};
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#[derive(Debug, Error)]
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pub enum Error {
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#[error("i/o error: {0}")]
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Io(#[from] std::io::Error),
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#[error("{0}")]
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Parse(parse::Error<parse::InputOwned>),
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#[error("unsupported version: {0}")]
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UnsupportedVersion(parse::Version),
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#[error("unsupported encryptor: {0}")]
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UnsupportedEncryptor(String),
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#[error("unexpected EOF")]
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Eof,
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#[error("invalid header op: {0}")]
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InvalidOp(#[from] TryFromPrimitiveError<Op>),
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#[error("missing field: {0:?}")]
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MissingField(String),
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#[error("bag is unindexed")]
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Unindexed,
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#[error("{0}")]
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Other(String),
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}
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impl<'a> From<parse::Error<parse::Input<'a>>> for Error {
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fn from(err: parse::Error<parse::Input>) -> Self {
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Error::Parse(err.into_owned())
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}
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}
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impl<'a> From<nom::Err<parse::Error<parse::Input<'a>>>> for Error {
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fn from(err: nom::Err<parse::Error<parse::Input<'a>>>) -> Self {
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match err {
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nom::Err::Error(e) | nom::Err::Failure(e) => e.into(),
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nom::Err::Incomplete(_) => panic!("incomplete error"),
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}
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}
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}
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impl Error {
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pub fn other<S: Into<String>>(message: S) -> Self {
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Error::Other(message.into())
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}
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}
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pub type Result<T, E = Error> = core::result::Result<T, E>;
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