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use std::io;
use crate::client::{ExtendedBufRead, MessageKind, WriteMode};
pub struct RequestWriter<'a> {
on_into_read: MessageKind,
writer: git_packetline::Writer<Box<dyn io::Write + 'a>>,
reader: Box<dyn ExtendedBufRead + Unpin + 'a>,
}
impl<'a> io::Write for RequestWriter<'a> {
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
self.writer.write(buf)
}
fn flush(&mut self) -> io::Result<()> {
self.writer.flush()
}
}
impl<'a> RequestWriter<'a> {
pub fn new_from_bufread<W: io::Write + 'a>(
writer: W,
reader: Box<dyn ExtendedBufRead + Unpin + 'a>,
write_mode: WriteMode,
on_into_read: MessageKind,
) -> Self {
let mut writer = git_packetline::Writer::new(Box::new(writer) as Box<dyn io::Write>);
match write_mode {
WriteMode::Binary => writer.enable_binary_mode(),
WriteMode::OneLfTerminatedLinePerWriteCall => writer.enable_text_mode(),
}
RequestWriter {
on_into_read,
writer,
reader,
}
}
pub fn write_message(&mut self, message: MessageKind) -> io::Result<()> {
match message {
MessageKind::Flush => git_packetline::PacketLineRef::Flush.write_to(self.writer.inner_mut()),
MessageKind::Delimiter => git_packetline::PacketLineRef::Delimiter.write_to(self.writer.inner_mut()),
MessageKind::ResponseEnd => git_packetline::PacketLineRef::ResponseEnd.write_to(self.writer.inner_mut()),
MessageKind::Text(t) => git_packetline::TextRef::from(t).write_to(self.writer.inner_mut()),
}
.map(|_| ())
}
pub fn into_read(mut self) -> std::io::Result<Box<dyn ExtendedBufRead + Unpin + 'a>> {
self.write_message(self.on_into_read)?;
Ok(self.reader)
}
pub fn into_parts(self) -> (Box<dyn io::Write + 'a>, Box<dyn ExtendedBufRead + Unpin + 'a>) {
(self.writer.into_inner(), self.reader)
}
}