musli_serde/
error.rs

1use core::fmt;
2
3use musli::Context;
4
5#[cfg(feature = "alloc")]
6use alloc::boxed::Box;
7#[cfg(feature = "alloc")]
8use alloc::format;
9
10#[derive(Debug)]
11pub enum SerdeError {
12    Captured,
13    #[cfg(not(feature = "alloc"))]
14    Custom,
15    #[cfg(feature = "alloc")]
16    Custom(Box<str>),
17}
18
19impl SerdeError {
20    pub(super) fn report<C: ?Sized + Context>(self, cx: &C) -> Option<C::Error> {
21        match self {
22            SerdeError::Captured => None,
23            #[cfg(not(feature = "alloc"))]
24            SerdeError::Custom => {
25                Some(cx.message("Error in musli-serde (enable alloc for details)"))
26            }
27            #[cfg(feature = "alloc")]
28            SerdeError::Custom(message) => Some(cx.message(message)),
29        }
30    }
31}
32
33impl fmt::Display for SerdeError {
34    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
35        write!(f, "Error in musli-serde")
36    }
37}
38
39impl serde::ser::Error for SerdeError {
40    #[cfg(feature = "alloc")]
41    fn custom<T>(msg: T) -> Self
42    where
43        T: fmt::Display,
44    {
45        SerdeError::Custom(format!("{}", msg).into())
46    }
47
48    #[cfg(not(feature = "alloc"))]
49    fn custom<T>(_: T) -> Self
50    where
51        T: fmt::Display,
52    {
53        SerdeError::Custom
54    }
55}
56
57impl serde::de::Error for SerdeError {
58    #[cfg(feature = "alloc")]
59    fn custom<T>(msg: T) -> Self
60    where
61        T: fmt::Display,
62    {
63        SerdeError::Custom(format!("{}", msg).into())
64    }
65
66    #[cfg(not(feature = "alloc"))]
67    fn custom<T>(_: T) -> Self
68    where
69        T: fmt::Display,
70    {
71        SerdeError::Custom
72    }
73}
74
75impl serde::de::StdError for SerdeError {}
musli_serde/error.rs

musli_serde/
error.rs
