1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
use std::error::Error as StdError;
use std::fmt;
pub type Result<T> = std::result::Result<T, Error>;
#[derive(Debug)]
pub enum Error {
ConfigNotFound,
LoadConfig {
source: ini::ini::Error,
},
ConfigMissingThemeName,
XDG {
source: xdg::BaseDirectoriesError,
},
Custom {
source: Box<dyn StdError + Send + Sync>,
},
}
impl StdError for Error {
fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
match self {
Error::XDG { source } => Some(source),
Error::LoadConfig { source } => Some(source),
Error::Custom { source } => Some(source.as_ref()),
_ => None,
}
}
}
impl fmt::Display for Error {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
Error::ConfigNotFound => write!(f, "Config file could not be found."),
Error::LoadConfig { source } => write!(f, "Error loading config file: {}", source),
Error::ConfigMissingThemeName => {
write!(f, "Config file is missing a valid theme name.")
}
Error::XDG { source } => write!(f, "Error loading XDG locations: {}", source),
Error::Custom { source } => {
write!(f, "Error in custom theme name provider: {}", source)
}
}
}
}
impl From<ini::ini::Error> for Error {
fn from(source: ini::ini::Error) -> Self {
Error::LoadConfig { source }
}
}
impl From<xdg::BaseDirectoriesError> for Error {
fn from(source: xdg::BaseDirectoriesError) -> Self {
Error::XDG { source }
}
}