73 lines
1.3 KiB
Rust
73 lines
1.3 KiB
Rust
use std::fmt;
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use std::error;
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use std::ffi;
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use std::io;
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#[cfg(target_os = "linux")]
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use nix;
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/// UInput error.
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#[derive(Debug)]
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pub enum Error {
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/// System errors.
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#[cfg(target_os = "linux")]
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Nix(nix::Error),
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/// Errors with internal nulls in names.
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Nul(ffi::NulError),
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Io(io::Error),
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Toml(toml::de::Error),
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NotAKeyboard,
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/// error reading input_event
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ShortRead,
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/// epoll already added
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EpollAlreadyAdded,
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}
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impl From<ffi::NulError> for Error {
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fn from(value: ffi::NulError) -> Self {
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Error::Nul(value)
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}
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}
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#[cfg(target_os = "linux")]
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impl From<nix::Error> for Error {
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fn from(value: nix::Error) -> Self {
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Error::Nix(value)
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}
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}
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impl From<io::Error> for Error {
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fn from(value: io::Error) -> Self {
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Error::Io(value)
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}
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}
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impl fmt::Display for Error {
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fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {
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match self {
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#[cfg(target_os = "linux")]
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&Error::Nix(ref err) => err.fmt(f),
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&Error::Nul(ref err) => err.fmt(f),
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&Error::Io(ref err) => err.fmt(f),
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&Error::Toml(ref err) => err.fmt(f),
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&Error::NotAKeyboard => f.write_str("This device file is not a keyboard"),
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&Error::ShortRead => f.write_str("Error while reading from device file."),
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&Error::EpollAlreadyAdded => f.write_str("epoll already added, delete first"),
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}
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}
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}
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impl error::Error for Error {}
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