eml_parser/
errors.rs

1use std::error;
2use std::fmt;
3use std::io;
4
5#[derive(Debug)]
6pub enum EmlError {
7    UnexpectedEndOfStream(String),
8    UnexpectedContent(String),
9    IoError(std::io::Error),
10}
11
12impl From<io::Error> for EmlError {
13    fn from(inner: io::Error) -> Self {
14        EmlError::IoError(inner)
15    }
16}
17
18impl fmt::Display for EmlError {
19    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
20        match self {
21            EmlError::UnexpectedEndOfStream(s) => write!(f, "Unexpected end of stream: {}", s),
22            EmlError::UnexpectedContent(s) => write!(f, "Unexpected content: {}", s),
23            EmlError::IoError(inner) => write!(f, "IO error: {}", inner),
24        }
25    }
26}
27
28impl error::Error for EmlError {
29    fn source(&self) -> Option<&(dyn error::Error + 'static)> {
30        match self {
31            EmlError::IoError(inner) => Some(inner),
32            _ => None,
33        }
34    }
35}
eml_parser/errors.rs

eml_parser/
errors.rs
