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use crate::config::{detect_read_config, ReadConfig};
use crate::{ReadTerminal, Terminal};
use io_extras::grip::AsGrip;
#[cfg(windows)]
use io_extras::os::windows::{
AsHandleOrSocket, AsRawHandleOrSocket, BorrowedHandleOrSocket, RawHandleOrSocket,
};
use std::io::{self, IoSliceMut, Read};
#[cfg(not(windows))]
use {
io_extras::os::rustix::{AsRawFd, RawFd},
io_lifetimes::{AsFd, BorrowedFd},
};
#[derive(Debug)]
pub struct TerminalReader<Inner: Read> {
inner: Inner,
read_config: Option<ReadConfig>,
}
impl<Inner: Read + AsGrip> TerminalReader<Inner> {
#[inline]
pub fn with_handle(inner: Inner) -> Self {
let read_config = detect_read_config(&inner);
Self { inner, read_config }
}
}
impl<Inner: Read> TerminalReader<Inner> {
#[inline]
pub fn generic(inner: Inner) -> Self {
Self {
inner,
read_config: None,
}
}
#[inline]
pub fn into_inner(self) -> Inner {
self.inner
}
}
#[cfg(not(windows))]
impl<Inner: Read + AsRawFd> AsRawFd for TerminalReader<Inner> {
#[inline]
fn as_raw_fd(&self) -> RawFd {
self.inner.as_raw_fd()
}
}
#[cfg(not(windows))]
impl<Inner: Read + AsFd> AsFd for TerminalReader<Inner> {
#[inline]
fn as_fd(&self) -> BorrowedFd<'_> {
self.inner.as_fd()
}
}
#[cfg(windows)]
impl<Inner: Read + AsRawHandleOrSocket> AsRawHandleOrSocket for TerminalReader<Inner> {
#[inline]
fn as_raw_handle_or_socket(&self) -> RawHandleOrSocket {
self.inner.as_raw_handle_or_socket()
}
}
#[cfg(windows)]
impl<Inner: Read + AsHandleOrSocket> AsHandleOrSocket for TerminalReader<Inner> {
#[inline]
fn as_handle_or_socket(&self) -> BorrowedHandleOrSocket<'_> {
self.inner.as_handle_or_socket()
}
}
impl<Inner: Read> Terminal for TerminalReader<Inner> {}
impl<Inner: Read> ReadTerminal for TerminalReader<Inner> {
#[inline]
fn is_line_by_line(&self) -> bool {
self.read_config.as_ref().map_or(false, |c| c.line_by_line)
}
#[inline]
fn is_input_terminal(&self) -> bool {
self.read_config.is_some()
}
}
impl<Inner: Read> Read for TerminalReader<Inner> {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
self.inner.read(buf)
}
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoSliceMut]) -> io::Result<usize> {
self.inner.read_vectored(bufs)
}
#[cfg(can_vector)]
#[inline]
fn is_read_vectored(&self) -> bool {
self.inner.is_read_vectored()
}
#[inline]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> io::Result<usize> {
self.inner.read_to_end(buf)
}
#[inline]
fn read_to_string(&mut self, buf: &mut String) -> io::Result<usize> {
self.inner.read_to_string(buf)
}
#[inline]
fn read_exact(&mut self, buf: &mut [u8]) -> io::Result<()> {
self.inner.read_exact(buf)
}
}