43 lines
1.2 KiB
Rust
43 lines
1.2 KiB
Rust
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use crate::iter::chars::BadUnicode;
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/// Result type for Repline
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pub type ReplResult<T> = std::result::Result<T, Error>;
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/// Borrowed error (does not implement [Error](std::error::Error)!)
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#[derive(Debug)]
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pub enum Error {
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/// User broke with Ctrl+C
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CtrlC(String),
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/// User broke with Ctrl+D
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CtrlD(String),
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/// Invalid unicode codepoint
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BadUnicode(u32),
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/// Error came from [std::io]
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IoFailure(std::io::Error),
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/// End of input
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EndOfInput,
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}
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impl std::error::Error for Error {}
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impl std::fmt::Display for Error {
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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match self {
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Error::CtrlC(_) => write!(f, "Ctrl+C"),
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Error::CtrlD(_) => write!(f, "Ctrl+D"),
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Error::BadUnicode(u) => write!(f, "\\u{{{u:x}}} is not a valid unicode codepoint"),
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Error::IoFailure(s) => write!(f, "{s}"),
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Error::EndOfInput => write!(f, "End of input"),
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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(value: std::io::Error) -> Self {
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Self::IoFailure(value)
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}
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}
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impl From<BadUnicode> for Error {
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fn from(value: BadUnicode) -> Self {
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let BadUnicode(code) = value;
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Self::BadUnicode(code)
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}
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}
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