76 lines
1.9 KiB
Rust
76 lines
1.9 KiB
Rust
use std::{
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error::Error,
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fmt::{
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Display,
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Formatter,
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Result as FmtResult
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},
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io::Error as IoError
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};
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use crate::ebml::EbmlError;
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#[derive(Debug)]
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pub enum WebmetroError {
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ResourcesExceeded,
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EbmlError(EbmlError),
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IoError(IoError),
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Unknown(Box<Error + Send + Sync>)
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}
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impl WebmetroError {
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pub fn from_str(string: &str) -> WebmetroError {
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string.into()
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}
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pub fn from_err<E: Error + Send + Sync + 'static>(err: E) -> WebmetroError {
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WebmetroError::Unknown(Box::new(err))
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}
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}
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impl Display for WebmetroError {
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fn fmt(&self, f: &mut Formatter) -> FmtResult {
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match self {
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&WebmetroError::ResourcesExceeded => write!(f, "resources exceeded"),
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&WebmetroError::EbmlError(ref err) => err.fmt(f),
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&WebmetroError::IoError(ref err) => err.fmt(f),
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&WebmetroError::Unknown(ref err) => err.fmt(f),
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}
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}
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}
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impl Error for WebmetroError {
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fn description(&self) -> &str {
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match self {
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&WebmetroError::ResourcesExceeded => "resources exceeded",
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&WebmetroError::EbmlError(ref err) => err.description(),
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&WebmetroError::IoError(ref err) => err.description(),
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&WebmetroError::Unknown(ref err) => err.description(),
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}
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}
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}
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impl From<EbmlError> for WebmetroError {
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fn from(err: EbmlError) -> WebmetroError {
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WebmetroError::EbmlError(err)
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}
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}
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impl From<IoError> for WebmetroError {
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fn from(err: IoError) -> WebmetroError {
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WebmetroError::IoError(err)
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}
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}
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impl From<Box<Error + Send + Sync>> for WebmetroError {
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fn from(err: Box<Error + Send + Sync>) -> WebmetroError {
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WebmetroError::Unknown(err)
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}
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}
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impl<'a> From<&'a str> for WebmetroError {
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fn from(err: &'a str) -> WebmetroError {
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let error: Box<Error + Send + Sync> = err.into();
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WebmetroError::Unknown(error)
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}
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}
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