use std;
use std::fmt::{self, Display};
use serde::{de, ser};
pub type Result<T> = std::result::Result<T, Error>;
#[derive(Debug)]
pub enum Error {
Message(String),
Eof,
Syntax,
ExpectedBoolean,
ExpectedInteger,
ExpectedString,
ExpectedNull,
ExpectedArray,
ExpectedArrayComma,
ExpectedArrayEnd,
ExpectedMap,
ExpectedMapColon,
ExpectedMapComma,
ExpectedMapEnd,
ExpectedEnum,
TrailingCharacters,
}
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 {
match self {
Error::Message(msg) => formatter.write_str(msg),
Error::Eof => formatter.write_str("unexpected end of input"),
Error::ExpectedBoolean => formatter.write_str("Expected boolean"),
Error::ExpectedInteger => formatter.write_str("Expected integer"),
Error::ExpectedString => formatter.write_str("Expected string"),
Error::ExpectedNull => formatter.write_str("Expected null"),
Error::ExpectedArray => formatter.write_str("Expected array"),
Error::ExpectedArrayComma => formatter.write_str("Expected array comma"),
Error::ExpectedArrayEnd => formatter.write_str("Expected array end"),
Error::ExpectedMap => formatter.write_str("Expected map"),
Error::ExpectedMapColon => formatter.write_str("Expected map colon"),
Error::ExpectedMapComma => formatter.write_str("Expected map comma"),
Error::ExpectedMapEnd => formatter.write_str("Expected map end"),
Error::ExpectedEnum => formatter.write_str("Expected enum"),
Error::TrailingCharacters => formatter.write_str("Unexpected trailing characters"),
_ => unimplemented!(),
}
}
}
impl std::error::Error for Error {}