jiff/error/fmt/
rfc9557.rs

1use crate::{error, util::escape};
2
3#[derive(Clone, Debug)]
4pub(crate) enum Error {
5    EndOfInputAnnotation,
6    EndOfInputAnnotationClose,
7    EndOfInputAnnotationKey,
8    EndOfInputAnnotationSeparator,
9    EndOfInputAnnotationValue,
10    EndOfInputTzAnnotationClose,
11    UnexpectedByteAnnotation { byte: u8 },
12    UnexpectedByteAnnotationClose { byte: u8 },
13    UnexpectedByteAnnotationKey { byte: u8 },
14    UnexpectedByteAnnotationValue { byte: u8 },
15    UnexpectedByteAnnotationSeparator { byte: u8 },
16    UnexpectedByteTzAnnotationClose { byte: u8 },
17    UnexpectedSlashAnnotationSeparator,
18    UnsupportedAnnotationCritical,
19}
20
21impl error::IntoError for Error {
22    fn into_error(self) -> error::Error {
23        self.into()
24    }
25}
26
27impl From<Error> for error::Error {
28    #[cold]
29    #[inline(never)]
30    fn from(err: Error) -> error::Error {
31        error::ErrorKind::FmtRfc9557(err).into()
32    }
33}
34
35impl core::fmt::Display for Error {
36    fn fmt(&self, f: &mut core::fmt::Formatter) -> core::fmt::Result {
37        use self::Error::*;
38
39        match *self {
40            EndOfInputAnnotation => f.write_str(
41                "expected the start of an RFC 9557 annotation or IANA \
42                 time zone component name, but found end of input instead",
43            ),
44            EndOfInputAnnotationClose => f.write_str(
45                "expected an `]` after parsing an RFC 9557 annotation key \
46                 and value, but found end of input instead",
47            ),
48            EndOfInputAnnotationKey => f.write_str(
49                "expected the start of an RFC 9557 annotation key, \
50                 but found end of input instead",
51            ),
52            EndOfInputAnnotationSeparator => f.write_str(
53                "expected an `=` after parsing an RFC 9557 annotation key, \
54                 but found end of input instead",
55            ),
56            EndOfInputAnnotationValue => f.write_str(
57                "expected the start of an RFC 9557 annotation value, \
58                 but found end of input instead",
59            ),
60            EndOfInputTzAnnotationClose => f.write_str(
61                "expected an `]` after parsing an RFC 9557 time zone \
62                 annotation, but found end of input instead",
63            ),
64            UnexpectedByteAnnotation { byte } => write!(
65                f,
66                "expected ASCII alphabetic byte (or underscore or period) \
67                 at the start of an RFC 9557 annotation or time zone \
68                 component name, but found `{byte}` instead",
69                byte = escape::Byte(byte),
70            ),
71            UnexpectedByteAnnotationClose { byte } => write!(
72                f,
73                "expected an `]` after parsing an RFC 9557 annotation key \
74                 and value, but found `{byte}` instead",
75                byte = escape::Byte(byte),
76            ),
77            UnexpectedByteAnnotationKey { byte } => write!(
78                f,
79                "expected lowercase alphabetic byte (or underscore) \
80                 at the start of an RFC 9557 annotation key, \
81                 but found `{byte}` instead",
82                byte = escape::Byte(byte),
83            ),
84            UnexpectedByteAnnotationValue { byte } => write!(
85                f,
86                "expected alphanumeric ASCII byte \
87                 at the start of an RFC 9557 annotation value, \
88                 but found `{byte}` instead",
89                byte = escape::Byte(byte),
90            ),
91            UnexpectedByteAnnotationSeparator { byte } => write!(
92                f,
93                "expected an `=` after parsing an RFC 9557 annotation \
94                 key, but found `{byte}` instead",
95                byte = escape::Byte(byte),
96            ),
97            UnexpectedByteTzAnnotationClose { byte } => write!(
98                f,
99                "expected an `]` after parsing an RFC 9557 time zone \
100                 annotation, but found `{byte}` instead",
101                byte = escape::Byte(byte),
102            ),
103            UnexpectedSlashAnnotationSeparator => f.write_str(
104                "expected an `=` after parsing an RFC 9557 annotation \
105                 key, but found `/` instead (time zone annotations must \
106                 come first)",
107            ),
108            UnsupportedAnnotationCritical => f.write_str(
109                "found unsupported RFC 9557 annotation \
110                 with the critical flag (`!`) set",
111            ),
112        }
113    }
114}
jiff/error/fmt/rfc9557.rs

jiff/error/fmt/
rfc9557.rs
