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use std::fmt;
use std::error::Error as StdError;
use reader::input_reader::InputChars;
#[derive(Debug)]
pub enum ErrorType {
InvalidWriterOutput,
InvalidReaderInput,
InvalidToken,
EndOfInput(InputChars),
InvalidByteEncoding,
InvalidNamespace,
}
#[derive(Debug)]
pub struct Error {
error_type: ErrorType,
error: Box<StdError>,
}
impl Error {
pub fn new<E>(error_type: ErrorType, error: E) -> Error
where
E: Into<Box<StdError>>,
{
Error {
error_type,
error: error.into(),
}
}
pub fn error_type(&self) -> &ErrorType {
&self.error_type
}
}
impl fmt::Display for Error {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
self.error.fmt(f)
}
}
impl StdError for Error {
fn description(&self) -> &str {
self.error.description()
}
}