| use pest; |
| use serde::{de, ser}; |
| use std::fmt::{self, Display}; |
| |
| use crate::de::Rule; |
| |
| /// Alias for a `Result` with error type `json5::Error` |
| pub type Result<T> = std::result::Result<T, Error>; |
| |
| /// A bare bones error type which currently just collapses all the underlying errors in to a single |
| /// string... This is fine for displaying to the user, but not very useful otherwise. Work to be |
| /// done here. |
| #[derive(Clone, Debug, PartialEq)] |
| pub enum Error { |
| /// Just shove everything in a single variant for now. |
| Message(String), |
| } |
| |
| impl From<pest::error::Error<Rule>> for Error { |
| fn from(err: pest::error::Error<Rule>) -> Self { |
| Error::Message(err.to_string()) |
| } |
| } |
| |
| impl ser::Error for Error { |
| fn custom<T: Display>(msg: T) -> Self { |
| Error::Message(msg.to_string()) |
| } |
| } |
| |
| impl de::Error for Error { |
| fn custom<T: Display>(msg: T) -> Self { |
| Error::Message(msg.to_string()) |
| } |
| } |
| |
| impl Display for Error { |
| fn fmt(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result { |
| formatter.write_str(std::error::Error::description(self)) |
| } |
| } |
| |
| impl std::error::Error for Error { |
| fn description(&self) -> &str { |
| match *self { |
| Error::Message(ref msg) => msg, |
| } |
| } |
| } |