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use std::{cell, convert, io, result, str};
#[cfg(any(feature = "arrow", test))]
use arrow::error::ArrowError;
#[derive(Debug, PartialEq)]
pub enum ParquetError {
General(String),
NYI(String),
EOF(String),
#[cfg(any(feature = "arrow", test))]
ArrowError(String),
IndexOutOfBound(usize, usize),
}
impl std::fmt::Display for ParquetError {
fn fmt(&self, fmt: &mut std::fmt::Formatter) -> std::fmt::Result {
match *self {
ParquetError::General(ref message) => {
write!(fmt, "Parquet error: {}", message)
}
ParquetError::NYI(ref message) => write!(fmt, "NYI: {}", message),
ParquetError::EOF(ref message) => write!(fmt, "EOF: {}", message),
#[cfg(any(feature = "arrow", test))]
ParquetError::ArrowError(ref message) => write!(fmt, "Arrow: {}", message),
ParquetError::IndexOutOfBound(ref index, ref bound) => {
write!(fmt, "Index {} out of bound: {}", index, bound)
}
}
}
}
impl std::error::Error for ParquetError {
fn cause(&self) -> Option<&dyn ::std::error::Error> {
None
}
}
impl From<io::Error> for ParquetError {
fn from(e: io::Error) -> ParquetError {
ParquetError::General(format!("underlying IO error: {}", e))
}
}
#[cfg(any(feature = "snap", test))]
impl From<snap::Error> for ParquetError {
fn from(e: snap::Error) -> ParquetError {
ParquetError::General(format!("underlying snap error: {}", e))
}
}
impl From<thrift::Error> for ParquetError {
fn from(e: thrift::Error) -> ParquetError {
ParquetError::General(format!("underlying Thrift error: {}", e))
}
}
impl From<cell::BorrowMutError> for ParquetError {
fn from(e: cell::BorrowMutError) -> ParquetError {
ParquetError::General(format!("underlying borrow error: {}", e))
}
}
impl From<str::Utf8Error> for ParquetError {
fn from(e: str::Utf8Error) -> ParquetError {
ParquetError::General(format!("underlying utf8 error: {}", e))
}
}
#[cfg(any(feature = "arrow", test))]
impl From<ArrowError> for ParquetError {
fn from(e: ArrowError) -> ParquetError {
ParquetError::ArrowError(format!("underlying Arrow error: {}", e))
}
}
pub type Result<T> = result::Result<T, ParquetError>;
impl convert::From<ParquetError> for io::Error {
fn from(e: ParquetError) -> Self {
io::Error::new(io::ErrorKind::Other, e)
}
}
macro_rules! general_err {
($fmt:expr) => (ParquetError::General($fmt.to_owned()));
($fmt:expr, $($args:expr),*) => (ParquetError::General(format!($fmt, $($args),*)));
($e:expr, $fmt:expr) => (ParquetError::General($fmt.to_owned(), $e));
($e:ident, $fmt:expr, $($args:tt),*) => (
ParquetError::General(&format!($fmt, $($args),*), $e));
}
macro_rules! nyi_err {
($fmt:expr) => (ParquetError::NYI($fmt.to_owned()));
($fmt:expr, $($args:expr),*) => (ParquetError::NYI(format!($fmt, $($args),*)));
}
macro_rules! eof_err {
($fmt:expr) => (ParquetError::EOF($fmt.to_owned()));
($fmt:expr, $($args:expr),*) => (ParquetError::EOF(format!($fmt, $($args),*)));
}
#[cfg(any(feature = "arrow", test))]
impl Into<ArrowError> for ParquetError {
fn into(self) -> ArrowError {
ArrowError::ParquetError(format!("{}", self))
}
}