icu_properties/
error.rs

1// This file is part of ICU4X. For terms of use, please see the file
2// called LICENSE at the top level of the ICU4X source tree
3// (online at: https://github.com/unicode-org/icu4x/blob/main/LICENSE ).
4
5use displaydoc::Display;
6use icu_provider::DataError;
7
8#[cfg(feature = "std")]
9impl std::error::Error for PropertiesError {}
10
11/// A list of error outcomes for various operations in this module.
12///
13/// Re-exported as [`Error`](crate::Error).
14#[derive(Display, Debug, Copy, Clone, PartialEq, Eq)]
15#[non_exhaustive]
16pub enum PropertiesError {
17    /// An error occurred while loading data
18    #[displaydoc("{0}")]
19    PropDataLoad(DataError),
20    /// An unknown value was used for the [`Script`](super::Script) property
21    #[displaydoc("Unknown script id: {0}")]
22    UnknownScriptId(u16),
23    /// An unknown value was used for the [`GeneralCategoryGroup`](super::GeneralCategoryGroup) property
24    #[displaydoc("Unknown general category group: {0}")]
25    UnknownGeneralCategoryGroup(u32),
26    /// An unknown or unexpected property name was used for an API dealing with properties specified as strings at runtime
27    #[displaydoc("Unexpected or unknown property name")]
28    UnexpectedPropertyName,
29}
30
31impl From<DataError> for PropertiesError {
32    fn from(e: DataError) -> Self {
33        PropertiesError::PropDataLoad(e)
34    }
35}