use crate::internal_prelude::*;
use core::fmt;
#[allow(clippy::missing_docs_in_private_items)] #[cfg_attr(supports_non_exhaustive, non_exhaustive)]
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum Error {
ConversionRange(ConversionRangeError),
ComponentRange(Box<ComponentRangeError>),
Parse(ParseError),
IndeterminateOffset(IndeterminateOffsetError),
#[cfg(not(supports_non_exhaustive))]
#[doc(hidden)]
__NonExhaustive,
}
impl fmt::Display for Error {
#[inline(always)]
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
Error::ConversionRange(e) => e.fmt(f),
Error::ComponentRange(e) => e.fmt(f),
Error::Parse(e) => e.fmt(f),
Error::IndeterminateOffset(e) => e.fmt(f),
#[cfg(not(supports_non_exhaustive))]
Error::__NonExhaustive => unreachable!(),
}
}
}
#[cfg(std)]
impl std::error::Error for Error {
#[inline(always)]
fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
match self {
Error::ConversionRange(err) => Some(err),
Error::ComponentRange(box_err) => Some(box_err.as_ref()),
Error::Parse(err) => Some(err),
Error::IndeterminateOffset(err) => Some(err),
#[cfg(not(supports_non_exhaustive))]
Error::__NonExhaustive => unreachable!(),
}
}
}
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub struct ConversionRangeError {
#[allow(clippy::missing_docs_in_private_items)]
__non_exhaustive: (),
}
impl ConversionRangeError {
#[allow(clippy::missing_docs_in_private_items)]
pub(crate) const fn new() -> Self {
Self {
__non_exhaustive: (),
}
}
}
impl fmt::Display for ConversionRangeError {
#[inline(always)]
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
f.write_str("Source value is out of range for the target type")
}
}
#[cfg(std)]
impl std::error::Error for ConversionRangeError {}
impl From<ConversionRangeError> for Error {
#[inline(always)]
fn from(original: ConversionRangeError) -> Self {
Error::ConversionRange(original)
}
}
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
pub struct ComponentRangeError {
pub(crate) name: &'static str,
pub(crate) minimum: i64,
pub(crate) maximum: i64,
pub(crate) value: i64,
pub(crate) given: Vec<(&'static str, i64)>,
}
impl fmt::Display for ComponentRangeError {
#[inline(always)]
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(
f,
"{} must be in the range {}..={}",
self.name, self.minimum, self.maximum
)?;
let mut iter = self.given.iter();
if let Some((name, value)) = iter.next() {
write!(f, " given {}={}", name, value)?;
for (name, value) in iter {
write!(f, ", {}={}", name, value)?;
}
}
write!(f, " (was {})", self.value)
}
}
impl From<ComponentRangeError> for Error {
#[inline(always)]
fn from(original: ComponentRangeError) -> Self {
Error::ComponentRange(Box::new(original))
}
}
#[cfg(std)]
impl std::error::Error for ComponentRangeError {}
impl From<ParseError> for Error {
#[inline(always)]
fn from(original: ParseError) -> Self {
Error::Parse(original)
}
}
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub struct IndeterminateOffsetError {
#[allow(clippy::missing_docs_in_private_items)]
__non_exhaustive: (),
}
impl IndeterminateOffsetError {
#[allow(clippy::missing_docs_in_private_items, dead_code)]
pub(crate) const fn new() -> Self {
Self {
__non_exhaustive: (),
}
}
}
impl fmt::Display for IndeterminateOffsetError {
#[inline(always)]
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
f.write_str("The system's UTC offset could not be determined")
}
}
#[cfg(std)]
impl std::error::Error for IndeterminateOffsetError {}
impl From<IndeterminateOffsetError> for Error {
#[inline(always)]
fn from(original: IndeterminateOffsetError) -> Self {
Error::IndeterminateOffset(original)
}
}