/// Writes ttyrec frames to a [`std::io::Write`] instance.
pub struct Writer<T: std::io::Write> {
output: T,
creator: crate::Creator,
}
impl<T: std::io::Write> Writer<T> {
/// Creates a new [`Writer`] from a [`std::io::Write`] instance.
pub fn new(output: T) -> Self {
Self {
output,
creator: crate::Creator::new(),
}
}
/// Writes a new frame to the output stream, using the current time and
/// given data.
///
/// # Errors
/// * [`Error::Write`](crate::Error::Write): There was an error writing to
/// the input stream.
pub fn frame(&mut self, data: &[u8]) -> crate::Result<()> {
self.frame_at(std::time::Instant::now(), data)
}
/// Writes a new frame to the output stream, using the given time and
/// data.
///
/// # Errors
/// * [`crate::Error::Write`](crate::Error::Write): There was an error
/// writing to the input stream.
pub fn frame_at(
&mut self,
cur_time: std::time::Instant,
data: &[u8],
) -> crate::Result<()> {
let frame = self.creator.frame_at(cur_time, data);
let bytes: Vec<u8> = frame.try_into()?;
self.output
.write_all(&bytes)
.map_err(|source| crate::Error::Write { source })
}
}