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use std::borrow::Cow;
use std::error;
use std::fmt;
use std::io;
use crate::core::{ClassRegistry, Io, TryConvertMut};
use crate::error::{Error, RubyException};
use crate::extn::core::exception;
use crate::ffi::InterpreterExtractError;
use crate::state::output::Output;
use crate::sys;
use crate::Artichoke;
impl Io for Artichoke {
type Error = Error;
fn print(&mut self, message: &[u8]) -> Result<(), Self::Error> {
let state = self.state.as_deref_mut().ok_or_else(InterpreterExtractError::new)?;
state.output.write_stdout(message)?;
Ok(())
}
fn puts(&mut self, message: &[u8]) -> Result<(), Self::Error> {
let state = self.state.as_deref_mut().ok_or_else(InterpreterExtractError::new)?;
state.output.write_stdout(message)?;
state.output.write_stdout(b"\n")?;
Ok(())
}
}
#[derive(Debug)]
#[allow(clippy::module_name_repetitions)]
pub struct IoError(io::Error);
impl From<io::Error> for IoError {
fn from(err: io::Error) -> Self {
Self(err)
}
}
impl From<io::Error> for Error {
fn from(err: io::Error) -> Self {
Self::from(IoError::from(err))
}
}
impl fmt::Display for IoError {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "IOError: {}", self.0)
}
}
impl error::Error for IoError {
fn source(&self) -> Option<&(dyn error::Error + 'static)> {
Some(&self.0)
}
}
impl RubyException for IoError {
fn message(&self) -> Cow<'_, [u8]> {
self.0.to_string().into_bytes().into()
}
fn name(&self) -> Cow<'_, str> {
"IOError".into()
}
fn vm_backtrace(&self, interp: &mut Artichoke) -> Option<Vec<Vec<u8>>> {
let _ = interp;
None
}
fn as_mrb_value(&self, interp: &mut Artichoke) -> Option<sys::mrb_value> {
let message = interp.try_convert_mut(self.message()).ok()?;
let value = interp.new_instance::<exception::IOError>(&[message]).ok().flatten()?;
Some(value.inner())
}
}
impl From<IoError> for Error {
fn from(exception: IoError) -> Self {
Self::from(Box::<dyn RubyException>::from(exception))
}
}
impl From<Box<IoError>> for Error {
fn from(exception: Box<IoError>) -> Self {
Self::from(Box::<dyn RubyException>::from(exception))
}
}
impl From<IoError> for Box<dyn RubyException> {
fn from(exception: IoError) -> Box<dyn RubyException> {
Box::new(exception)
}
}
impl From<Box<IoError>> for Box<dyn RubyException> {
fn from(exception: Box<IoError>) -> Box<dyn RubyException> {
exception
}
}