84 lines
2 KiB
Rust
84 lines
2 KiB
Rust
use std;
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use std::fmt::{self, Display};
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use serde::{de, ser};
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use crate::{dec, enc};
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pub type Result<T> = std::result::Result<T, Error>;
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#[derive(Debug)]
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pub enum Error {
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Message(String),
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Encode(enc::Error),
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Decode(String),
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Type(dec::TypeError),
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ParseInt(std::num::ParseIntError),
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ParseFloat(std::num::ParseFloatError),
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Utf8(std::string::FromUtf8Error),
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}
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impl From<enc::Error> for Error {
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fn from(e: enc::Error) -> Self {
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Error::Encode(e)
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}
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}
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impl<'a> From<dec::DecodeError<'a>> for Error {
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fn from(e: dec::DecodeError) -> Self {
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Error::Decode(e.to_string())
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}
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}
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impl From<dec::TypeError> for Error {
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fn from(e: dec::TypeError) -> Self {
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Error::Type(e)
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}
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}
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impl ser::Error for Error {
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fn custom<T: Display>(msg: T) -> Self {
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Error::Message(msg.to_string())
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}
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}
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impl From<std::num::ParseIntError> for Error {
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fn from(x: std::num::ParseIntError) -> Error {
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Error::ParseInt(x)
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}
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}
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impl From<std::num::ParseFloatError> for Error {
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fn from(x: std::num::ParseFloatError) -> Error {
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Error::ParseFloat(x)
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}
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}
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impl From<std::string::FromUtf8Error> for Error {
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fn from(x: std::string::FromUtf8Error) -> Error {
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Error::Utf8(x)
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}
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}
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impl de::Error for Error {
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fn custom<T: Display>(msg: T) -> Self {
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Error::Message(msg.to_string())
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}
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}
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impl Display for Error {
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fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
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match self {
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Error::Message(msg) => formatter.write_str(msg),
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Error::Encode(err) => write!(formatter, "Encode: {}", err),
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Error::Decode(err) => write!(formatter, "Decode: {}", err),
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Error::Type(err) => write!(formatter, "Type: {}", err),
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Error::ParseInt(err) => write!(formatter, "Parse (int): {}", err),
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Error::ParseFloat(err) => write!(formatter, "Parse (float): {}", err),
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Error::Utf8(err) => write!(formatter, "Invalid UTF-8 byte sequnence: {}", err),
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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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