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use std::error;
use std::fmt::{self, Display, Formatter};
use std::io::{self, ErrorKind};
use rmp::decode::{MarkerReadError, ValueReadError};
pub mod value;
pub mod value_ref;
pub use self::value::read_value;
pub use self::value_ref::read_value_ref;
#[derive(Debug)]
pub enum Error {
InvalidMarkerRead(io::Error),
InvalidDataRead(io::Error),
}
impl Error {
pub fn kind(&self) -> ErrorKind {
match *self {
Error::InvalidMarkerRead(ref err) => err.kind(),
Error::InvalidDataRead(ref err) => err.kind(),
}
}
}
impl error::Error for Error {
fn description(&self) -> &str {
match *self {
Error::InvalidMarkerRead(..) => "I/O error while reading marker byte",
Error::InvalidDataRead(..) => "I/O error while reading non-marker bytes",
}
}
fn cause(&self) -> Option<&error::Error> {
match *self {
Error::InvalidMarkerRead(ref err) => Some(err),
Error::InvalidDataRead(ref err) => Some(err),
}
}
}
impl Display for Error {
fn fmt(&self, fmt: &mut Formatter) -> Result<(), fmt::Error> {
match *self {
Error::InvalidMarkerRead(ref err) => {
write!(fmt, "I/O error while reading marker byte: {}", err)
}
Error::InvalidDataRead(ref err) => {
write!(fmt, "I/O error while reading non-marker bytes: {}", err)
}
}
}
}
impl From<MarkerReadError> for Error {
fn from(err: MarkerReadError) -> Error {
Error::InvalidMarkerRead(err.0)
}
}
impl From<ValueReadError> for Error {
fn from(err: ValueReadError) -> Error {
match err {
ValueReadError::InvalidMarkerRead(err) => Error::InvalidMarkerRead(err),
ValueReadError::InvalidDataRead(err) => Error::InvalidDataRead(err),
ValueReadError::TypeMismatch(..) => {
Error::InvalidMarkerRead(io::Error::new(ErrorKind::Other, "type mismatch"))
}
}
}
}
impl Into<io::Error> for Error {
fn into(self) -> io::Error {
match self {
Error::InvalidMarkerRead(err) |
Error::InvalidDataRead(err) => err,
}
}
}