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use { isahc::http::uri::InvalidUri, std::{error, fmt, io, str::Utf8Error}, }; #[derive(Debug)] pub enum Error { Scrape(ScrapeError), Request(RequestError), Uri(InvalidUri), #[cfg(feature = "epub")] Epub(epub_builder::Error), #[cfg(feature = "json")] Json(serde_json::Error), #[cfg(feature = "messagepack")] MessagePack(rmps::encode::Error), Canceled, } impl fmt::Display for Error { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> std::fmt::Result { match self { Error::Scrape(ref err) => err.fmt(f), Error::Request(ref err) => err.fmt(f), Error::Uri(ref err) => err.fmt(f), #[cfg(feature = "epub")] Error::Epub(ref err) => err.fmt(f), #[cfg(feature = "json")] Error::Json(ref err) => err.fmt(f), #[cfg(feature = "messagepack")] Error::MessagePack(ref err) => err.fmt(f), Error::Canceled => write!(f, "Thread pool is gone"), } } } impl error::Error for Error { fn source(&self) -> Option<&(dyn error::Error + 'static)> { match self { Error::Scrape(ref err) => err.source(), Error::Request(ref err) => err.source(), Error::Uri(ref err) => err.source(), #[cfg(feature = "epub")] Error::Epub(ref err) => err.source(), #[cfg(feature = "json")] Error::Json(ref err) => err.source(), #[cfg(feature = "messagepack")] Error::MessagePack(ref err) => err.source(), Error::Canceled => None, } } } impl From<ScrapeError> for Error { fn from(err: ScrapeError) -> Error { Error::Scrape(err) } } impl From<RequestError> for Error { fn from(err: RequestError) -> Error { Error::Request(err) } } impl From<InvalidUri> for Error { fn from(err: InvalidUri) -> Error { Error::Uri(err) } } #[cfg(feature = "epub")] impl From<epub_builder::Error> for Error { fn from(err: epub_builder::Error) -> Error { Error::Epub(err) } } #[cfg(feature = "json")] impl From<serde_json::Error> for Error { fn from(err: serde_json::Error) -> Error { Error::Json(err) } } #[cfg(feature = "messagepack")] impl From<rmps::encode::Error> for Error { fn from(err: rmps::encode::Error) -> Error { Error::MessagePack(err) } } #[derive(Debug)] pub enum ScrapeError { Io(io::Error), Utf8(Utf8Error), } impl fmt::Display for ScrapeError { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> std::fmt::Result { match self { ScrapeError::Io(ref err) => err.fmt(f), ScrapeError::Utf8(ref err) => err.fmt(f), } } } impl error::Error for ScrapeError { fn source(&self) -> Option<&(dyn error::Error + 'static)> { None } } impl From<io::Error> for ScrapeError { fn from(err: io::Error) -> ScrapeError { ScrapeError::Io(err) } } impl From<Utf8Error> for ScrapeError { fn from(err: Utf8Error) -> ScrapeError { ScrapeError::Utf8(err) } } #[derive(Debug)] pub enum RequestError { Http(isahc::http::Error), Io(io::Error), Isahc(isahc::Error), } impl fmt::Display for RequestError { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> std::fmt::Result { match self { RequestError::Http(ref err) => err.fmt(f), RequestError::Io(ref err) => err.fmt(f), RequestError::Isahc(ref err) => err.fmt(f), } } } impl error::Error for RequestError { fn source(&self) -> Option<&(dyn error::Error + 'static)> { match self { RequestError::Http(ref err) => Some(err), RequestError::Io(ref err) => Some(err), RequestError::Isahc(ref err) => Some(err), } } } impl From<isahc::http::Error> for RequestError { fn from(err: isahc::http::Error) -> RequestError { RequestError::Http(err) } } impl From<io::Error> for RequestError { fn from(err: io::Error) -> RequestError { RequestError::Io(err) } } impl From<isahc::Error> for RequestError { fn from(err: isahc::Error) -> RequestError { RequestError::Isahc(err) } }