cityjson_arrow/
error.rs

1//! # Error types
2//!
3//! When operations go wrong.
4use arrow::error::ArrowError;
5use parquet::errors::ParquetError;
6use std::fmt::{Debug, Display, Formatter};
7
8pub type Result<T> = std::result::Result<T, Error>;
9
10#[derive(Debug)]
11pub enum Error {
12    Arrow(ArrowError),
13    Parquet(ParquetError),
14    CityJSON(cityjson::error::Error),
15    Json(serde_json::Error),
16    Conversion(String),
17    Unsupported(String),
18    SchemaMismatch { expected: String, found: String },
19    MissingField(String),
20    Io(std::io::Error),
21}
22
23impl Display for Error {
24    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
25        match self {
26            Error::Arrow(e) => write!(f, "Arrow error: {e}"),
27            Error::Parquet(e) => write!(f, "Parquet error: {e}"),
28            Error::CityJSON(e) => write!(f, "CityJSON error: {e}"),
29            Error::Json(e) => write!(f, "JSON error: {e}"),
30            Error::Conversion(s) => write!(f, "could not convert due to {s}"),
31            Error::Unsupported(s) => write!(f, "feature {s} is not supported"),
32            Error::SchemaMismatch { expected, found } => {
33                write!(f, "expected schema: {expected}, found schema: {found}")
34            }
35            Error::MissingField(s) => write!(f, "field {s} should be present in the Arrow data"),
36            Error::Io(e) => write!(f, "IO error: {e}"),
37        }
38    }
39}
40
41impl From<ArrowError> for Error {
42    fn from(value: ArrowError) -> Self {
43        Self::Arrow(value)
44    }
45}
46
47impl From<ParquetError> for Error {
48    fn from(value: ParquetError) -> Self {
49        Self::Parquet(value)
50    }
51}
52
53impl From<cityjson::error::Error> for Error {
54    fn from(value: cityjson::error::Error) -> Self {
55        Self::CityJSON(value)
56    }
57}
58
59impl From<serde_json::Error> for Error {
60    fn from(value: serde_json::Error) -> Self {
61        Self::Json(value)
62    }
63}
64
65impl From<std::io::Error> for Error {
66    fn from(value: std::io::Error) -> Self {
67        Self::Io(value)
68    }
69}
70
71impl std::error::Error for Error {}
cityjson_arrow/error.rs

cityjson_arrow/
error.rs
