78 lines
1.6 KiB
Rust
78 lines
1.6 KiB
Rust
use std::error::Error;
|
|
use std::fmt::Error as FmtError;
|
|
use std::clone::Clone;
|
|
use std::fmt::{Display, Formatter};
|
|
|
|
/**
|
|
* Kind of error
|
|
*/
|
|
#[derive(Clone, Copy, Debug, PartialEq)]
|
|
pub enum InteractionErrorKind {
|
|
Unknown
|
|
}
|
|
|
|
fn interaction_error_type_as_str(e: &InteractionErrorKind) -> &'static str {
|
|
match e {
|
|
&InteractionErrorKind::Unknown => "Unknown Error",
|
|
}
|
|
}
|
|
|
|
impl Display for InteractionErrorKind {
|
|
|
|
fn fmt(&self, fmt: &mut Formatter) -> Result<(), FmtError> {
|
|
try!(write!(fmt, "{}", interaction_error_type_as_str(self)));
|
|
Ok(())
|
|
}
|
|
|
|
}
|
|
|
|
#[derive(Debug)]
|
|
pub struct InteractionError {
|
|
err_type: InteractionErrorKind,
|
|
cause: Option<Box<Error>>,
|
|
}
|
|
|
|
impl InteractionError {
|
|
|
|
/**
|
|
* Build a new InteractionError from an InteractionErrorKind, optionally with cause
|
|
*/
|
|
pub fn new(errtype: InteractionErrorKind, cause: Option<Box<Error>>)
|
|
-> InteractionError
|
|
{
|
|
InteractionError {
|
|
err_type: errtype,
|
|
cause: cause,
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get the error type of this InteractionError
|
|
*/
|
|
pub fn err_type(&self) -> InteractionErrorKind {
|
|
self.err_type.clone()
|
|
}
|
|
|
|
}
|
|
|
|
impl Display for InteractionError {
|
|
|
|
fn fmt(&self, fmt: &mut Formatter) -> Result<(), FmtError> {
|
|
try!(write!(fmt, "[{}]", interaction_error_type_as_str(&self.err_type.clone())));
|
|
Ok(())
|
|
}
|
|
|
|
}
|
|
|
|
impl Error for InteractionError {
|
|
|
|
fn description(&self) -> &str {
|
|
interaction_error_type_as_str(&self.err_type.clone())
|
|
}
|
|
|
|
fn cause(&self) -> Option<&Error> {
|
|
self.cause.as_ref().map(|e| &**e)
|
|
}
|
|
|
|
}
|
|
|