gproxy_transform/transform/
error.rs

1use std::{error::Error, fmt};
2
3use crate::protocol::OperationKey;
4
5/// Errors returned by provider-to-provider transforms.
6#[derive(Debug)]
7pub enum TransformError {
8    UnsupportedPair {
9        source: OperationKey,
10        target: OperationKey,
11    },
12    UnsupportedField {
13        field: &'static str,
14        reason: &'static str,
15    },
16    LossyField {
17        field: &'static str,
18        reason: &'static str,
19    },
20    InvalidInput {
21        reason: String,
22    },
23    Serialization {
24        reason: String,
25    },
26}
27
28impl TransformError {
29    pub const fn unsupported_pair(source: OperationKey, target: OperationKey) -> Self {
30        Self::UnsupportedPair { source, target }
31    }
32}
33
34impl fmt::Display for TransformError {
35    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
36        match self {
37            Self::UnsupportedPair { source, target } => {
38                write!(f, "unsupported transform pair: {source:?} -> {target:?}")
39            }
40            Self::UnsupportedField { field, reason } => {
41                write!(f, "unsupported field `{field}`: {reason}")
42            }
43            Self::LossyField { field, reason } => {
44                write!(f, "lossy field `{field}`: {reason}")
45            }
46            Self::InvalidInput { reason } => write!(f, "invalid transform input: {reason}"),
47            Self::Serialization { reason } => {
48                write!(f, "transform serialization failed: {reason}")
49            }
50        }
51    }
52}
53
54impl Error for TransformError {}
gproxy_transform/transform/error.rs

gproxy_transform/transform/
error.rs
