59 lines
1.7 KiB
Rust
59 lines
1.7 KiB
Rust
//! Error types for the NetCDF-4 reader.
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use std::fmt;
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/// Errors that can occur when reading NetCDF-4 files.
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#[derive(Debug)]
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pub enum Error {
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/// I/O error from the filesystem.
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Io(std::io::Error),
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/// Low-level HDF5 format error.
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Hdf5(clawhdf5::Error),
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/// The file is not a valid NetCDF-4 file (missing _NCProperties or conventions).
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NotNetCDF4(String),
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/// A required dimension was not found.
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DimensionNotFound(String),
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/// A required variable was not found.
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VariableNotFound(String),
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/// A required group was not found.
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GroupNotFound(String),
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/// Data type conversion error.
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TypeError(String),
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}
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impl fmt::Display for Error {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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match self {
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Error::Io(e) => write!(f, "I/O error: {e}"),
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Error::Hdf5(e) => write!(f, "HDF5 error: {e}"),
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Error::NotNetCDF4(msg) => write!(f, "not a NetCDF-4 file: {msg}"),
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Error::DimensionNotFound(name) => write!(f, "dimension not found: {name}"),
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Error::VariableNotFound(name) => write!(f, "variable not found: {name}"),
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Error::GroupNotFound(name) => write!(f, "group not found: {name}"),
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Error::TypeError(msg) => write!(f, "type error: {msg}"),
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}
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}
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}
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impl std::error::Error for Error {
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fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
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match self {
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Error::Io(e) => Some(e),
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Error::Hdf5(e) => Some(e),
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_ => None,
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}
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}
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}
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impl From<std::io::Error> for Error {
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fn from(e: std::io::Error) -> Self {
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Error::Io(e)
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}
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}
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impl From<clawhdf5::Error> for Error {
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fn from(e: clawhdf5::Error) -> Self {
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Error::Hdf5(e)
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}
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}
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