embed_manifest/embed/
error.rs

1//! Error handling for application manifest embedding.
2
3use std::fmt::{self, Display, Formatter};
4use std::io;
5
6/// The error type which is returned when application manifest embedding fails.
7#[derive(Debug)]
8pub struct Error {
9    repr: Repr,
10}
11
12#[derive(Debug)]
13enum Repr {
14    IoError(io::Error),
15    UnknownTarget,
16}
17
18impl Error {
19    pub(crate) fn unknown_target() -> Error {
20        Error {
21            repr: Repr::UnknownTarget,
22        }
23    }
24}
25
26impl Display for Error {
27    fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
28        match self.repr {
29            Repr::IoError(ref e) => write!(f, "I/O error: {}", e),
30            Repr::UnknownTarget => f.write_str("unknown target"),
31        }
32    }
33}
34
35impl std::error::Error for Error {
36    fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
37        match self.repr {
38            Repr::IoError(ref e) => Some(e),
39            _ => None,
40        }
41    }
42}
43
44impl From<io::Error> for Error {
45    fn from(e: io::Error) -> Self {
46        Error { repr: Repr::IoError(e) }
47    }
48}
49
50impl From<Error> for io::Error {
51    fn from(e: Error) -> Self {
52        match e.repr {
53            Repr::IoError(ioe) => ioe,
54            _ => io::Error::other(e),
55        }
56    }
57}
embed_manifest/embed/error.rs

embed_manifest/embed/
error.rs
