65 lines
1.3 KiB
Rust
65 lines
1.3 KiB
Rust
//! Error types
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use abscissa_core::error::{BoxError, Context};
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use std::{
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fmt::{self, Display},
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io,
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ops::Deref,
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};
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use thiserror::Error;
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/// Kinds of errors
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#[derive(Copy, Clone, Debug, Eq, Error, PartialEq)]
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pub enum ErrorKind {
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/// Error in configuration file
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#[error("config error")]
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Config,
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/// Input/output error
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#[error("I/O error")]
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Io,
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}
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impl ErrorKind {
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/// Create an error context from this error
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pub fn context(self, source: impl Into<BoxError>) -> Context<ErrorKind> {
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Context::new(self, Some(source.into()))
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}
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}
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/// Error type
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#[derive(Debug)]
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pub struct Error(Box<Context<ErrorKind>>);
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impl Deref for Error {
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type Target = Context<ErrorKind>;
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fn deref(&self) -> &Context<ErrorKind> {
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&self.0
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}
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}
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impl Display for Error {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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self.0.fmt(f)
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}
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}
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impl From<Context<ErrorKind>> for Error {
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fn from(context: Context<ErrorKind>) -> Self {
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Error(Box::new(context))
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}
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}
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impl From<io::Error> for Error {
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fn from(other: io::Error) -> Self {
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ErrorKind::Io.context(other).into()
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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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self.0.source()
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}
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}
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