spreadsheet-to-json 0.3.0

Asynchronous conversion of Excel and OpenDocument spreadsheets as well as CSV and TSV files to JSON or JSONL
Documentation 
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use std::error::Error;
use std::fmt;

/// Simple GenericError type to cover other error type with different implementations
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct GenericError(pub &'static str);

impl fmt::Display for GenericError {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        write!(f, "{}", self.0)
    }
}

impl Error for GenericError {}

/// convert IO Error to GenericError
impl From<calamine::Error> for GenericError {
    fn from(error: calamine::Error) -> Self {
        match error {
            calamine::Error::Io(_) => GenericError("io_error"),
            calamine::Error::Xlsx(_) => GenericError("xlsx_error"),
            calamine::Error::Xls(_) => GenericError("xlsx_error"),
            calamine::Error::Ods(_) => GenericError("ods_error"),
            // Add more patterns as needed for other calamine::Error variants
            _ => GenericError("unknown_calamine_error"),
        }
    }
}

/// convert IO Error to GenericError
impl From<std::io::Error> for GenericError {
    fn from(error: std::io::Error) -> Self {
        match error.kind() {
            std::io::ErrorKind::NotFound => GenericError("file_not_found"),
            std::io::ErrorKind::PermissionDenied => GenericError("permission_denied"),
            std::io::ErrorKind::ConnectionRefused => GenericError("connection_refused"),
            _ => GenericError("io_error"),
        }
    }
}