Remove unused buf module.

This commit is contained in:
Erick Tryzelaar 2015-09-01 09:09:04 -07:00
parent 2722a04e52
commit c14eb28223

View File

@ -1,96 +0,0 @@
#![allow(missing_docs)]
use std::cmp;
use std::io;
use std::slice;
trait IntoBufRead {
type IntoBuf: io::BufRead + BufReadExt;
fn into_buf_read(self) -> Self::IntoBuf;
}
trait BufReadExt {
fn get_buf(&self) -> &[u8];
fn read_u8(&mut self) -> io::Result<Option<u8>>;
}
struct SliceReader<'a> {
buf: &'a [u8],
}
impl<'a> io::Read for SliceReader<'a> {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
let amt = cmp::min(buf.len(), self.buf.len());
let (a, b) = self.buf.split_at(amt);
slice::bytes::copy_memory(buf, a);
*self.buf = b;
Ok(amt)
}
}
impl<'a> io::BufRead for SliceReader<'a> {
fn fill_buf(&mut self) -> io::Result<&[u8]> { Ok(*self) }
fn consume(&mut self, amt: usize) { *self.buf = &self.buf[amt..]; }
}
impl<'a> BufReadExt for SliceReader<'a> {
fn get_buf(&self) -> &[u8] { self.buf }
fn read_u8(&mut self) -> io::Result<Option<u8>> {
let byte = self.buf.get(0);
*self.buf = &self.buf[1..];
byte
}
}
struct BufReader<R> {
inner: R,
buf: io::Cursor<Vec<u8>>,
}
impl<R> BufReader<R> where R: io::Read {
fn new(inner: R) -> Self {
BufferedReader::with_capacity(io::DEFAULT_BUF_SIZE, inner)
}
fn new(cap: usize, inner: R) -> Self {
BufferedReader {
inner: inner,
buf: io::Cursor::new(Vec::with_capacity(cap)),
}
}
fn into_inner(self) -> R {
self.inner
}
}
impl<R> Read for BufReader<R> where R: io::Read {
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
// If we don't have any buffered data and we're doing a massive read
// (larger than our internal buffer), bypass our internal buffer
// entirely.
if self.buf.get_ref().len() == self.buf.position() as usize &&
buf.len() >= self.buf.get_ref().capacity() {
return self.inner.read(buf);
}
try!(self.fill_buf());
self.buf.read(buf)
}
}
impl<R> BufReadExt for BufReader<R> {
fn get_buf(&self) -> &[u8] {
self.buf.get_ref()
}
fn read_u8(&mut self) -> io::Result<Option<u8>> {
if self.buf.get_ref().len() == self.buf.position() as usize {
}
let byte = self.buf.get(0);
*self.buf = &self.buf[1..];
byte
}
}