fontconfig_parser/
error.rs

1use std::fmt;
2use std::num::ParseFloatError;
3use std::num::ParseIntError;
4use std::str::ParseBoolError;
5
6#[derive(Debug)]
7pub enum Error {
8    Xml(roxmltree::Error),
9    NoFontconfig,
10    InvalidFormat(String),
11    IoError(std::io::Error),
12    ParseEnumError(&'static str, String),
13    ParseIntError(ParseIntError),
14    ParseFloatError(ParseFloatError),
15    ParseBoolError(ParseBoolError),
16}
17
18impl From<std::io::Error> for Error {
19    fn from(e: std::io::Error) -> Self {
20        Self::IoError(e)
21    }
22}
23
24impl From<roxmltree::Error> for Error {
25    fn from(e: roxmltree::Error) -> Self {
26        Self::Xml(e)
27    }
28}
29
30impl From<ParseIntError> for Error {
31    fn from(e: ParseIntError) -> Self {
32        Self::ParseIntError(e)
33    }
34}
35
36impl From<ParseFloatError> for Error {
37    fn from(e: ParseFloatError) -> Self {
38        Self::ParseFloatError(e)
39    }
40}
41
42impl From<ParseBoolError> for Error {
43    fn from(e: ParseBoolError) -> Self {
44        Self::ParseBoolError(e)
45    }
46}
47
48impl fmt::Display for Error {
49    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
50        match self {
51            Error::Xml(e) => e.fmt(f),
52            Error::NoFontconfig => write!(f, "Can't find fontconfig element"),
53            Error::InvalidFormat(msg) => write!(f, "Config format is invalid: {}", msg),
54            Error::IoError(e) => write!(f, "IO error: {}", e),
55            Error::ParseEnumError(ty, s) => write!(f, "Unknown variant for {}: {}", ty, s),
56            Error::ParseIntError(e) => e.fmt(f),
57            Error::ParseFloatError(e) => e.fmt(f),
58            Error::ParseBoolError(e) => e.fmt(f),
59        }
60    }
61}
62
63impl std::error::Error for Error {}
fontconfig_parser/error.rs

fontconfig_parser/
error.rs
