serde_xml_rs2/
error.rs

1use std::fmt::Display;
2use serde::de::Error as DeError;
3use serde::ser::Error as SerError;
4
5error_chain! {
6    types {
7        Error,
8        ErrorKind,
9        ResultExt,
10        Result;
11    }
12
13    foreign_links {
14        Io(::std::io::Error);
15        FromUtf8Error(::std::string::FromUtf8Error);
16        ParseIntError(::std::num::ParseIntError);
17        ParseFloatError(::std::num::ParseFloatError);
18        ParseBoolError(::std::str::ParseBoolError);
19        Syntax(::xml::reader::Error);
20    }
21
22    errors {
23        UnexpectedToken(token: String, found: String) {
24            description("unexpected token")
25            display("Expected token {}, found {}", token, found)
26        }
27        Custom(field: String) {
28            description("other error")
29            display("custom: '{}'", field)
30        }
31        UnsupportedOperation(operation: String) {
32            description("unsupported operation")
33            display("unsupported operation: '{}'", operation)
34        }
35        NonPrimitiveKey {
36            description("Map key has non-primitive value")
37            display("Map key has non-primitive value")
38        }
39    }
40}
41
42macro_rules! expect {
43    ($actual: expr, $($expected: pat)|+ => $if_ok: expr) => {
44        match $actual {
45            $($expected)|+ => $if_ok,
46            actual => Err($crate::ErrorKind::UnexpectedToken(
47                stringify!($($expected)|+).to_string(), format!("{:?}",actual)
48            ).into()) as Result<_>
49        }
50    }
51}
52
53#[cfg(debug_assertions)]
54macro_rules! debug_expect {
55    ($actual: expr, $($expected: pat)|+ => $if_ok: expr) => {
56        match $actual {
57            $($expected)|+ => $if_ok,
58            actual => panic!(
59                "Internal error: Expected token {}, found {:?}",
60                stringify!($($expected)|+),
61                actual
62            )
63        }
64    }
65}
66
67#[cfg(not(debug_assertions))]
68macro_rules! debug_expect {
69    ($actual: expr, $($expected: pat)|+ => $if_ok: expr) => {
70        match $actual {
71            $($expected)|+ => $if_ok,
72            _ => unreachable!()
73        }
74    }
75}
76
77impl DeError for Error {
78    fn custom<T: Display>(msg: T) -> Self {
79        ErrorKind::Custom(msg.to_string()).into()
80    }
81}
82
83impl SerError for Error {
84    fn custom<T: Display>(msg: T) -> Self {
85        ErrorKind::Custom(msg.to_string()).into()
86    }
87}
serde_xml_rs2/error.rs

serde_xml_rs2/
error.rs
