use std::error::Error;
use std::fmt;
use std::fmt::Debug;
use std::fmt::Display;
use std::fmt::Formatter;
pub type Result<T> = std::result::Result<T, A2DError>;
pub struct A2DError {
message: String,
source: Option<String>,
}
impl A2DError {
pub(crate) fn new(message: String, source: Option<Box<dyn Error>>) -> A2DError {
A2DError {
message,
source: source.map(|s| format!("{:?}", s)),
}
}
}
impl Display for A2DError {
fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
write!(f, "A2DError {}", self.message)?;
if let Some(source) = &self.source {
write!(f, ": {}", source)?;
}
Ok(())
}
}
impl Debug for A2DError {
fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
write!(f, "A2DError {}", self.message)?;
if let Some(source) = &self.source {
write!(f, ": {:?}", source)?;
}
Ok(())
}
}
impl Error for A2DError {}
impl From<std::io::Error> for A2DError {
fn from(e: std::io::Error) -> Self {
A2DError::new(format!("IOError"), Some(Box::new(e)))
}
}
impl From<image::ImageError> for A2DError {
fn from(e: image::ImageError) -> Self {
A2DError::new(format!("ImageError"), Some(Box::new(e)))
}
}