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#[derive(Debug,thiserror::Error)]
#[non_exhaustive]
pub struct DeserializeError {
#[source]
pub kind: DeserializeErrorKind,
pub location: Option<crate::Location>,
}
impl DeserializeError {
pub(crate) fn with_location(mut self, location: crate::Location) -> Self {
if self.location.is_none() {
self.location = Some(location);
}
self
}
}
impl std::fmt::Display for DeserializeError {
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
if let Some(location) = self.location {
write!(f, "{} at {}", self.kind, location)
} else {
write!(f, "{}", self.kind)
}
}
}
impl serde::de::Error for DeserializeError {
fn custom<T: std::fmt::Display>(msg: T) -> Self {
DeserializeError {
kind: DeserializeErrorKind::Custom(format!("{}", msg)),
location: None,
}
}
}
impl From<std::io::Error> for DeserializeError {
fn from(e: std::io::Error) -> Self {
DeserializeError {
kind: DeserializeErrorKind::Io(e),
location: None,
}
}
}
#[non_exhaustive]
#[derive(Debug,thiserror::Error)]
pub enum DeserializeErrorKind {
#[error("{0}")]
Custom(String),
#[error("{0}")]
Invalid(String),
#[error("Expected integer, got {0:?}")]
IntFraction(String),
#[error("{0:?} is too big")]
IntOverflow(String),
#[error("Expected unsigned integer, got -{0}")]
IntSigned(u128),
#[error("Unexpected characters after number {0:?}")]
NumTrailing(String),
#[error("e exponents only supported in base 10")]
NumExpBase,
#[error("Could not parse exponent as integer: {0}")]
NumExpInvalid(#[source] std::num::ParseIntError),
#[error(transparent)]
Io(#[from] std::io::Error),
#[error("{0} is not supported.")]
Unimplemented(&'static str),
#[error("Invalid UTF-8")]
InvalidUtf8,
}
impl DeserializeErrorKind {
pub(crate) fn at(self, location: crate::Location) -> DeserializeError {
DeserializeError {
kind: self,
location: Some(location),
}
}
}