icon-pie 0.1.2-beta

A simple command-line tool for generating application icons.
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use crate::{Output};
use std::io;
use icon_baker::image::ImageError;

mod show;

#[derive(Debug)]
pub enum Error {
    Syntax(SyntaxError),
    IconBaker(icon_baker::Error),
    Io(io::Error, Output)
}

#[derive(Clone, Debug, PartialEq)]
pub enum SyntaxError {
    UnexpectedToken(usize),
    UnexpectedEnd
}

impl Error {
    pub fn exit_with(&self) -> io::Error {
        match &self {
            Error::Syntax(err)    => show::syntax(err),
            Error::IconBaker(err) => show::icon_baker(err),
            Error::Io(err, path)  => show::io(err, path.clone())
        }

        self.to_io()
    }

    pub fn to_io(&self) -> io::Error {
        match &self {
            Error::Syntax(_)  => io::Error::from(io::ErrorKind::InvalidInput),
            Error::Io(err, _) => io::Error::from(err.kind()),
            Error::IconBaker(err) => match err {
                icon_baker::Error::InvalidSize(size) => unimplemented!("{}", size),
                icon_baker::Error::Image(ImageError::DimensionError) => unimplemented!(),
                _ => io::Error::from(io::ErrorKind::Other)
            }
        }
    }
}