46 lines
1.2 KiB
Rust
46 lines
1.2 KiB
Rust
// SPDX-License-Identifier: GPL-3.0-or-later
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// src/error.rs
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//
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// Central error and result types for Noctua.
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use std::fmt;
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pub type Result<T> = std::result::Result<T, Error>;
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#[derive(Debug)]
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pub enum Error {
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/// A requested file or resource was not found.
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NotFound(String),
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/// The file format or operation is not supported.
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Unsupported(String),
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/// A session could not be loaded or saved.
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Session(String),
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/// An underlying I/O error.
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Io(std::io::Error),
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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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Error::NotFound(msg) => write!(f, "Not found: {msg}"),
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Error::Unsupported(msg) => write!(f, "Unsupported: {msg}"),
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Error::Session(msg) => write!(f, "Session error: {msg}"),
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Error::Io(err) => write!(f, "I/O error: {err}"),
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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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Error::Io(err) => Some(err),
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_ => None,
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}
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}
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}
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impl From<std::io::Error> for Error {
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fn from(err: std::io::Error) -> Self {
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Error::Io(err)
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}
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}
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