7�0�~{�?��
0 �0 �0 ����D�)�\�� ��2;�[����i�n5�����h��َ��pwH Ģ�T6�U���#*,&���H(���A�Q �q@���J T�*d! let input = InputStream::new(vec![]);
}
mod write {
mod com00)]
fn multiple_members() {
assert_eq!(trailer, &[7, 8, 9, 10][..meout(1000)]
fn trailer() {
let decod result = read::poll_read(encoder, &mut output);
est::timeout(1000)]
fn empty()
mod $impl {
mod bufread {
{
limited::Limited::new(self, limit)
_cases;
pub mod algos;
pub mod impls;
pub use seure = "tokio")]
mod tokio_ext;
mod track_closed;
m ready!(self.as_mut().do_poll_flush(cx))?;
?;
decoder.shutdown().await?;
Ok(decoder.ihutdown`
#[tokio::main(flavor = "current_thread")th the following command in a terminal:
//!
//! `` &mut self.buffer.as_mut()[self.index..]
},
index: usize,
}
impl<B: AsRef<[u8]>> Partiaync>() {}
#[derive(Debug, Default)]
pub struct Pacompress.total_out();
let status =
,
}
impl FlateDecoder {
pub(crate) fn new(zli_args!("{}/{}", self.buffered, self.buf.len()),
s.buffered += len;
Poll::Ready(Ok(len) }
}
if *this.written > 0d])
{
Poll::Pending =>ufWriter` with the specified buffersyncWrite;
const DEFAULTe]
mod utils;
test_cases!(deflate);
// Originally fn produce(self: Pin<&mut Self>, amt: usize);
}
his function is a lower-level call. It needs nderlying IO when possible.
///
/// This ffull.
///
/// On success, returns `Poll::R output.advance(len);
Ok(bytes_left == 0)
tten_mut())?;
input.advance(status.bytes_rate) fn new_with_dict(dictionary: &[u8]) -> io::Reshared::Unshared, util::PartialBuffer};
use libzstader(_) | State::Footer(_) | State::Done => returnlt());
self.header = Header::default();
ter(footer) => {
footer.copy_u.state {
State::Header(parser) => }
}
fn process<I: AsRef<[u8]>, O: AsRef
let crc_sum = crc.sum().to_le_bytes();
le2::Crc;
#[derive(Debug)]
enum State {
Header(, level),
}
}
}
impl Encode for LzmaElBuffer::new(&[][..]), output, Action::Finish)? {
othing much to report.
Status::Ok => u
Ok(status)
}
}
impl Encode for BzEnc /// equivalent to using the default value of 30.
r over a wide range of
/// circumstances.
/// a factor of three, but always behaves reader {
/// Creates a new stream prepared for coerwise we'll just keep writing
// out sync AsRef<[u8]> + AsMut<[u8]>>,
flush: FlushCw(level, zlib_header),
flushed: true,
d::io::Result;
#[derive(Debug)]
pub struct LzmaDebytes, so it must be invalid
// paddin*count == 0 {
*count = 4;
Kind, Result};
#[derive(Debug)]
pub struct XzDeco {
pub(crate) fn new(level: Compression) -> Seut Self>, amt: usize) {
self.project().0.c }
Poll::Ready(Ok(0))
er, eof } = Pin::into_inner(self);
(Pin::n inner: R,
eof: bool,
}
impl<R: Unpin> TrackEa from the given stream
/// and emState::Encoding => {
if self.i true
}
State::Encoding => self.iitten().is_empty() {
return Ok(()).state {
State::Header(header) => ty(8);
output.extend(&self.crc.sum().to_lx08, 0, 0, 0, 0, 0, level_byte, 0xff]
}
impl Gzip crc: Crc,
state: State,
}
fn header(level://! Implementations for IO traits exported by [`fute
/// when reaching the end of a comp// This structure implements an [`AsyncRead`](tokiate) use self::{decoder::XzDecoder, encoder::XzEnc match status {
Status::Ok | Status pub fn new(format: Xz2FileFormat, level: u32) fn fmt(&self, f: &mut Formatter<'_>) -> FmtResult }
State::Crc(data) e(len) = memchr::memchr(0, input.unwritten()) {
self.state = State::Comment(<_>::d if !self.header.flags.extra {
t self.state {
State::Fixed(data) ErrorKind::InvalidData, "Invalid gzip header"));
{
if input[0..3] != [0x1f, 0x8b, 0x08] {
{
ascii: bool,
crc: bool,
extra: bool
impl<R: AsyncBufRead, E: Encode> AsyncRead for En #[derive(Debug)]
pub struct Encoder<R, E: Enite::pin_project;
use tokio::io::AsyncWrite;
#[destruct("BrotliDecoder")
.field("decomp),
BrotliResult::NeedsMoreInput => Err? {
BrotliResult::ResultSuccess | Brot_len,
out_buf,
&mut 0,
let mut out_buf = output.unwritten_mut();
.
state: Box<BrotliState<StandardAlloc, Standaression parameters.
pub fn job_size(value:hreads and `flush` pushes bytes through the compreionary (default: true).
pub fn dict_id_flau32) -> Self {
Self(LdmHashRateLog(valSelf {
Self(EnableLongDistanceMatchinghing mode to look for and emit long-distance refer }
/// Number of search attempts (as antation](https://facebook.github.io/zstd/zstd_manuty) => quality.try_into().unwrap_or(0).min(9),
bzstd::compression_level_range().into_inner();
fn into_flate2(self) -> flate2::Compression {
ch self {
Self::Fastest => fastest,
this depends on the algorithm chosen
/// and tressed with.
#[non_exhaustive]
#[derive(Clone, Copkio")]
pub mod tokio;
mod unshared;
mod util;
#[ doc = "`zlib` | [`ZlibEncoder`](?search=ZlibEncarch=LzmaEncoder), [`LzmaDecoder`](?search=LzmaDec | [`GzipEncoder`](?search=GzipEncoder), [`GzipDec(?search=BzEncoder), [`BzDecoder`](?search=BzDecodcWrite`"
)]
//!
//! ## Compression algorithm
//!
ion, `#![rustfmt::skip::attributes(cfg_attlection of algorithms
//! `all-algorithms` | Acti which can each be individually selected via Cargo }
}
}
//! Adaptors between compression c #[derive(Debug)]
pub struct Decoder<R, D: DeotliEncoderOperation::BROTLI_OPERATION_FINISH,
coderOperation::BROTLI_OPERATION_PROCESS,
n);
Ok(())
}
}
impl Encode for Brotl &mut None,
&mut |_, _, _, _| (b(crate) fn new(params: BrotliEncoderParams) -> SeParams,
encode::{
BrotliEncoderCompres
algos!(@algo xz ["xz"] XzDecoder XzEncodhe dictionary used must be the same as the one
})
}
}
{ @dec
on.
///
/// # Errors
::new_with_params(level.into_zstd(), params),
//
// TODO: remove panic note on nex and parameters, which
/// will read uinner,
crate::codec::ZlibE algos!(@algo gzip ["gzip"] GzipDener,
crate::codec::Deflate algos!(@algo bzip2 ["bzip2"] BzDecoder BzEncoBrotliEncoder::new(level.into_brotli(params)),
t!("A ", $algo_s, " encoder, or compressor.")]
algos!(futures::bufread<R>);
macro_rules! algos {rue)
}
}
//! Types which operate over [`AsyncBushOk => unreachable!(),
// THe Run a let prior_in = self.decompress.total_in();
ompress.total_out()
)
}
}
impl BzDeco::Decode, util::PartialBuffer};
use std::fmt;
use inner: crate::tokio::write::Decoder<W, crate=> Err(std::io::Error::new(
std::i) -> Result<()> {
*self = Self::new();
der {
stream: Stream,
}
impl Debug for Xz2Decnts an [`AsyncWrite`](tokio::io::AsyncWrite) inter }
}
#[macro_use]
mod utils;
test_cases!(bzip2);
next = Pin::new(&mut self.inner).poll_flush(cx);
tokio::io::AsyncWrite for InterleavePending<W> {
self::{decoder::BzDecoder, encoder::BzEncoder};
usmember/frame and expect either EOF or another
ssed stream.
pub fn new(read: R) -> $nyncRead) interface and will
/// read c Pin::new(&mut this.reader).consume(i);
let buffer = ready!(Pin::new(&mut this.reader).pwriter: &'a mut W,
amt: u64,
}
impl<R, W> Futopy_buf<R, W>(reader: R, writer: &mut W) -> CopyBuin::new(&mut self.inner).poll_write(cx, buf)
} match Pin::new(&mut self.inner).poll_close(cx) {
Write for TrackClosed<W> {
fn poll_write(mut s}
}
pub fn is_closed(&self) -> bool {
tdown before finishing input",
)))
ck_on(decoder.read_to_end(&mut output)).is_err());t input = InputStream::from(vec![compressed]);
[][..]);
let input = InputStream::from(vec![c)]
use utils::{algos::xz::sync, InputStream};
#[cten to and should
/// be sent. As such, this fs buffer, so they should be
/// written out tok(buf))`.
///
/// If the buffer is full anrs {
this.decoder.rein }
State::Flushing = *this.multiple_members = fals) {
self.multiple_members = enabled;
}e> Decoder<R, D> {
pub fn new(reader: R, decod(Debug)]
enum State {
Decoding,
Flushing,
whether the end of the stream has been read
f buffers are flushed
fn flush(&mut self, outpu)]
pub(crate) use self::zlib::{ZlibDecoder, ZlibEnpub(crate) use self::flate::{FlateDecoder, FlateEn "lzma")]
mod lzma;
#[cfg(feature = "xz")]
mod xz;f_write::AsyncBufWrite,
buf_writer::BufWriter, {
/// Seek to the offset, in bytes, in the unt::Result {
f.debug_struct("BufWriter")
)?;
self.project().inner.poll_close(cx)
.*this.buffered + len].copy_from_slice(&buf[..len]t this = self.as_mut().project();
if buf.lthe underlying writer.
///
/// Note that aReady(ret)
} else if *this.buffered == 0 {.written += n,
Poll::Ready(Err(e))ed])
{
Poll::Pending =pacity.
pub fn with_capacity(cap: usize, innertures_io::{AsyncSeek, AsyncWrite, SeekFrom};
use p
// the `AsyncBufWrite` impl can access its intern }
}
mod decompity(
input,
).as_ref(),
|input| {
te::Encoder::with_quality(input, Level::Best)),
ress {
use crate::utils::{
let output = read::to_vec(decoder);
sync::compress(&[1, 2, 3, 4, 5, 6]),
let trailer = read::to_vec(reader) let output = bufread::decompress(&mut reader);::timeout(1000)]
fn zeros() {
let compressed = sync::compress(&[]);
::$variant::{
sync,
Level::Precise(0),
am()),
Level::Best,
::compress(bufread::from(&one_to_six_stream()));
let mut output = [];
let mut input: &[u8] = &[];
tokio::io::AsyncWrite> AsyncWriteTestExt for T {}
ending;
mod limited;
pub use copy_buf::copy_buf;
:{future::Future, io::Result, iter::FromIterator, erent tests use a different subset of functions
mlf.as_mut().project().state {
*self.asn compress(in_data: &[u8]) -> Result<Vec<u8>> {
tures="tokio,zlib"
//! "example"
//! ```
use $ cargo run --example zlib_tokio_write --features = std::cmp::min(self.unwritten().len(), other.unwf.index]
}
pub(crate) fn unwritten(&self) }
}
}
pub fn _assert_send<T: Send>() {}
pub fw(&[][..]),
output,
FlushDsMut<[u8]>>,
flush: FlushDecompress,
)ress, Status};
#[derive(Debug)]
pub struct FlateD .field(
"buffer",
ush_buf(cx))?;
self.project().inner.poll_st len = min(this.buf.len() - *this.buffered, buf.lwere Pending, so our waker was already queued
t W> {
self.project().inner
> *this.written += n,
Err(e) => {
:Ready(ret)
} else {
ret?;
}
Poll::Ready(Ok(n)) => *t: vec![0; cap].into(),
written: 0,
Self::with_capacity(DEFAULT_BUF_SIZE, inner)
} efficient
// with those methods.
use super::Asyn ready!(self.project().writer.as_mut().poll_cle::Finishing | State::Done => panic!("Flush after ;
use crate::{
codec::Encode,
futures::wrbuf` method to
/// function properly. This fun `Poll::Pending` and
/// arranges for the currcrate) trait AsyncBufWrite {
/// Attempt to ret_buf)?;
let len = out_buf.as_slice().len( .get_mut()
.run_on_buffers(inputcoder = Decoder::with_dictionary(dictionary)?;
"unexpected end of file",
))
flushed all the data out before we get here
Header(_) | State::Footer(_) | State::Done => retuimpl Decode for GzipDecwritten().is_empty() {
che self.state = State::Footer(vec![0; 8].into())
r<I>, &mut PartialBuffer<O>) -> Result<bool>,
if bytes_read != input[4..8] {
}
fn check_footer(crc: &Crc, input: &[u8]) -> Re codec::{
gzip::header::{self, Header},
>,
) -> Result<bool> {
// Flush on LZM inner: crate::codec::Xz2Encoder,
}
impl LzmaEn // Decompression went fine, nothing much to repoBuffer::new(&[][..]), output, Action::Flush)? {
atch self.encode(input, output, Action::Run)? {
unwritten(), output.unwritten_mut(), action)
u8]> + AsMut<[u8]>>,
action: Action,
)rd
/// algorithm will expend before resorting presented with worst case, highly repetitive, inpu write!(
f,
"BzEncoduse]
mod decoder;
#[macro_use]
mod encoder;
use crd_len = output.written().len();
self.e // We need to keep track of whether we've alreOk => Ok(()),
Status::StreamEnd => unren_mut(), flush)?;
input.advance((self.coesult};
use flate2::{Compress, Compression, Flush inner: crate::codec::Xz2Decoder,
}
impl LzmaDe "stream padding was not a multiple of 4 bytelet Some(ref mut count) = self.skip_padding {
padding = Some(4);
self.inner.reinit()
er: crate::codec::FlateEncoder::new(level, false),cBufRead for TrackEof<R> {
fn poll_fill_buf(sePoll::Ready(Ok(())) => {
if buf.fi }
Poll::Ready(Ok(buf))
text) -> Poll<Result<&[u8]>> {
let (inner,yncRead + Unpin> futures::io::AsyncRead for TrackE Self { inner, eof: false }
}
pub fn proj }
}
impl<$inner: futurAsyncBufRead> $name<$inner> {
$(
from an underlying stream and emit a stream of comitten().is_empty() {
return Ok(fal self.state = State::Footer(self.footer().into( }
State::Done => true,
output.copy_unwritten_from(&mut *fooState::Done => panic!("encode after complete"),
self.state = State::Encoding;
level).into()),
}
}
fn footer(&mu 0x02
} else if level.level() <= CompreBuffer<Vec<u8>>),
Encoding,
Footer(Partiallt<usize>> {
let limit = self.limit;
o`](::futures_io).
pub mod bufread;
pub mod write<'_>,
buf: &mut tokio::io::ReadBuf /// compressed member/frame to follow it in the sethods)*)*
/// Configure multi-member inner: crate::tokio::bufread::Decoder<R, cratener:ident> $({ $($inherent_methods:tt)* })*) => {
[], output.unwritten_mut(), Action::SyncFlush)?;
out() as usize - previous_out);
elf.stream.total_in() as usize - previous_in);
:new_lzma_encoder(&LzmaOptions::new_preset(level). panic!("parser used after done");
f.header.flags.crc {
input.advance(input.unwritten().len());
self.state = State::Crc(<_>::d:default());
continue;
}
State::Extra(data) self.state = State::Filename(<_>::AsRef<[u8]>>,
) -> Result<Option<Header>> {
Ok(Header { flags })
}
}
impl Parser {
e,
header: Header,
}
impl Header {
fn parol,
filename: bool,
comment: bool,
}
#[de let mut output = PartialBuffer::new(buf);
ume(len);
State::Encoding
t);
this.encoder.encode(&m,
}
}
impl<R: AsyncBufRead, E: Encode> Encodeelf.project().writer.as_mut().poll_shutdown(cx))?;
}
fn do_poll_shutdown(self: alBuffer::new(output);
let done = matncoding => {
this.encoder.encoive(Debug)]
pub struct Encoder<W, E: Encode> {of,
"reached unexpected EOF",
sMoreOutput => ,
BrotliResult::NeedsMoreOutput | Brot
}
status => status,
let status = match BrotliDecompressStream(
liState` is very large (over 2kb) which is why we'stream::raw::CParameter {
self.0
:with_quality_and_params()` calls.
//
// Emit a dictionary ID when using a custom dictio power of two)
pub fn ldm_hash_rate_log(va pub fn enable_long_distance_matching(valueength modifier
pub fn target_length(value:ue: u32) -> Self {
Self(HashLog(value)ession parameter for zstd. This is a stable wrappe Self::Default => libzstd::DEFAULT_COMPRESSION_LEVelf) -> i32 {
let (fastest, best) = libzst let best = flate2::Compression::best();
::Compression::new(
quality
g it.
/// Qualities are implicitly clamped to ession algorithm.
Default,
/// Precise quarn(
missing_docs,
rust_2018_idioms,
mi doc = "`zstd` | [`ZstdEncoder`](?search=ZstdEnce = "xz"),
doc = "`xz` (*inactive*) | `XzEncodoc = "`deflate` | [`DeflateEncoder`](?search=Deflac = "`brotli` (*inactive*) | `BrotliEncoder`, `Broable choices, these determine which types will be fg_attr)]` should do it, but
// that's unstable
#!s that have corresponding top-level modules:
//!
tes and Rust's modern asynchronous IO types.
//!
utput = PartialBuffer::new(buf.initialize_unfilled> State::Done,
State::Next => {
if *this.multiple_members {
f the reader
// has return self.reader
}
pub fn mulf>) -> Pin<&mut R> {
self.project().readert;
use tokio::io::{AsyncBufRead, AsyncRead, ReadBuk(BrotliEncoderIsFinished(&self.state) == 1)
} Ok(BrotliEncoderHasMoreOutput(&self.state) == Error::new(ErrorKind::Other, "brotli error"));
out_buf,
&mut output_len,
iEncoderStateStruct<StandardAlloc>,
}
impl BrotlirKind, Result},
};
use brotli::enc::{
backwar inner,
crate::codec::Lzma crate::codec::ZstdDecoder::new_with_dict(diction /// be present during decompression. The dictiohe given stream and emit an
/// uncompReturns error when `dictionary` is not valid.
::Level, params: &[crate::zstd::CParameter]) -> Se /// the `zstdmt` crate feature is _not_ enabled.
pressed data from the given stream and emit a compbEncoder <$inner>
{ @enc
algos!(@algo zlib ["zlib"] ZlibDecoder ZlibEnc;
algos!(@algo deflate ["deflate"] Deflatcodec::BzEncoder::new(level.into_bzip2(), 0),
lgos!(@algo brotli ["brotli"] BrotliDecoder Brotlithods)* }
}
};
($($mod:ident)::+ (@algo $algo:ident [$algo_s:expr] $decoder:idend`](futures_io::AsyncBufRead) streams, both encodede(&mut PartialBuffer::new(&[][..]), output)?;
ut.
Status::StreamEnd => Ok(true),
.advance((self.decompress.total_out() - prio::Error::new(std::io::ErrorKind::Other, e))?;
s: Decompress,
}
impl fmt::Debug for Bz;
}
}
mod decoder;
mod encoder;
mod header;
p }
fn poll_shutdown(
x, buf)
}
fn poll_flush(
o_inner()
}
}
impl<W:a and write it uncompressed
/// to the /// take in compressed data and write it uncompself.stream.total_out() as usize;
{
// While decoding flush is a noop
tten(), output.unwritten_mut(), Action::Run)?;
t<[u8]>>,
) -> Result<bool> {
let prev Status, Stream};
pub struct Xz2Decoder {
str_assert_send::<$name<Pin<Box<dyn AsyncWrite + Sendsk::Context<'_>,
buf: &[u8],
/// Consumes this epin::Pin<&mut Self>) -> std::pin::Pin<&mut $inner> /// Creates a new encoder which will take iecoder, encoder::ZlibEncoder};
macro_rules! encode: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<staker().wake_by_ref();
self.pended = tr if self.pended {
let next = Pin::n InterleavePending<T> {
inner: T,
pended: ssert_send::<$name<Pin<Box<dyn AsyncBufRead + Sendres_io::AsyncBufRead> futures_io::AsyncRead for $ndecoder state
/// when reaching the enDecoder::new(read, crate::codec::$name::new()),
macro_rules! decod
this.amt += i as u64;
Output> {
let this = &mut *self;
Unpin + ?Sized,
{
CopyBuf {
reader,
ncWrite};
pub fn copy_buf<R, W>(reader: R, writerure = "tokio")]
impl<W: tokiot Context,
bufs: &[std::io::IoSlice],
(mut self: Pin<&mut Self>, cx: &mut Context, buf: uct TrackClosed<W> {
inner: W,
closed: boo)
} else {
Poll::Ready(Err(Erresult<()>> {
if let State::Decoding = self
impl<W: AsyncWrite, D: Decode> AsyncWrite for Deut)? {
(State::Done, falsetput)? {
State::Finishing
, D> {
pub fn new(writer: W, decoder: D) -> Seembers(true);
let mut output = Vec::new();
1][..]);
}
#[test]
#[ntest::timeout(1000)]
#[cfg(bers_with_padding() {
let compressed = [
unused)]
use futures::{executor::block_on, io::Asy/ The `amt` must be `<=` the number of bytes in thunction does not perform any I/O, it simply informcurrent task context (`cx`) to receive a notificat, &mut output)? {
Poll::Pending if outbers {
this.decoder.re, output)?;
let len = inpupty() {
// Avoid attemptin>,
output: &mut PartialBuffer<&mut [u8]>,
Decoding,
multiple_members: false,
y;
use futures_io::{AsyncBufRead, AsyncRead};
use u8]> + AsMut<[u8]>>)
-> Result<bool>;
are flushed and the end of the stream is written
ZstdDecoder, ZstdEncoder};
pub trait Encode {
pub(crate) use self::brotli::{BrotliDecoder, Brotlate")]
mod deflate;
#[cfg(feature = "flate2")]
mods;
mod generic;
mod buf_write;
mod buf_writer;
u )
.field("written", &self.writte&mut [u8]>> {
ready!(self.as_mut().partialResult<()>> {
ready!(self.as_mut().flush_buld have returned with
// `this.buf buf.len() >= this.buf.len() {
if *th &mut self.inner
}
/// Gets a pin/ Gets a reference to the underlying writer.
pfered]))
{
Ok(0) => {
*this.buffered {
match ready!(this
Err(e)) => {
ret = Err(e);
(Ok(0)) => {
ret = Err(io::Errefault is currently 8 KB,
/// but may change ioject;
use std::{
cmp::min,
fmt, io,
pds to be redefined locally so that
// the `AsyncBu:timeout(1000)]
fn long_chunks::timeout(1000)]
fn short() {
= write::decompress(input.as_ref(), 65_536);
one_to_six, InputStream,
Box::pin(write::Encoder::with_quality(
coder::with_quality(input, Level::Precise(0)))
|input| Box::pin(write::Encoder::new(input)),
sed = write::to_vec(
pressed = write::compress(input.as_ref(), 20);
let input = InputStream::new(vec![
e::compress(one_to_six_stream().as_ref(), 2);
mpress(one_to_six_stream().as_ref(), 65_536);
t(1000)]
fn empty_chunk() {
mpress {
use crate::utils::{
utput, &[1, 2, 3, 4, 5, 6, 6, 5, 4, 3, 2, 1][..]);m(compressed.chunks(1024));
= (0..65_536).map(|_| rand::random()).collect();
:timeout(1000)]
fn long() {
compressed.extend_from_slice(&[7, 8, 9, 10]);(1000)]
fn short_chunks() {
assert_eq!(output, &[0; 10][..]); let result = read::poll_read(decoder, &mut meout(1000)]
fn to_full_output $impl::{bufread, read},
test]
fn with_level_max() {
#[test]
fn with_level_0() {
t]
fn with_level_default() {
ed = bufread::compress(bufread::from(&input));
ndom()).collect(),
]);
let input = InputStream::new(vec![vec![]]);
assert!(matches!(result, Ok(0)));
_six, one_to_six_stream, InputStream, Level,
($impl:ident, $variant:ident) => {
mod $ Self: Sized + Unpin,
{
limited::LimirackClosed, track_eof::TrackEof};
pub use async_co#![allow(dead_code, unused_macros)] // Different tas_mut().project().state = State::Finishing;
if input.written().is_empty() => Poll::Pending,
State::Done => (State::Done, true),
put)? {
(State::Done, fals else {
State::Decoding
pl<W: AsyncWrite, D: Decode> DecodesyncWrite;
use pin_project_lite::pin_project;
#[dr::new(Vec::new());
decoder.write_all(in_data)
println!("{:?}", String::from_utf8(de_compres std::mem::replace(self, Self::new(B::defauitten_from<C: AsRef<[u8]>>(&mut self, other: &mut Buffer<B> {
pub(crate) fn new(buffer: B) -> Seruct PartialBuffer<B: AsRef<[u8]>> {
buffer: B);
self.decode(
&mut Pdecode(input, output, FlushDecompress::None)? {
Ok(status)
}
}
impl Decode for FlateDec self.decompress
.decompub enum Xz2FileFormat {
Xz,
Lzma,
}
pub(cize) {
*self.project().buffered += amt;
l::Ready(Ok(&mut this.buf[*this.buffered..]))
[*this.buffered..*this.buffered + len].copy_from_s// The only way that `partial_flush_buf` would haveftover data in the internal buffer is lost.
p&W {
&self.inner
}
/// Gets a mutthis.buffered, 0);
*this.buffered -= *this }
}
fn flush_buf(self: ten > 0 {
this.buf.copy_within(*this.w .as_mut()
.poll_w self.project();
let mut ret = Ok(());
a new `BufWriter` with a default buffer capacity.nternals, and changed a bit to make it more effici_mut().do_poll_close(cx))?;
ready!(self.prpty() {
return Poll::Ready(Ok(0));
roduced);
if let State::Done = this.s }
}
}
fn do_poll_close(self:
}
}
fn do_poll_flush(self: | State::Done => panic!("Write after close"),
ject();
loop {
let output = r, E> {
pub fn new(writer: W, encoder: E) -> Sell_flush_buf`.
fn produce(self:ush_buf` isn't
/// called before calling it.
when the object
/// becomes readable or is clot to the inner reader if
/// it is full.
/ mut out_buf = zstd_safe::OutBuffer::around(output_written);
Ok(status.remaining == 0)
}ecoder: Unshared::new(Decoder::new().unwrap()),
ErrorKind::UnexpectedEof,
"unexp> {
// Because of the footer we have to haDecoding => {
let prior = outprocess(input, output, |this, input, output| {
if input.unwritten().is_empty() || output self.crc.update(&output.written()[prior..]);
r: impl Fn(&mut Self, &mut PartialBuffer<I>, &mut "amount of bytes read does not match",
t bytes_read = crc.amount().to_le_bytes();
if Decode,
},
util::PartialBuffer,
};
us
fn flush(
&mut self,
_output:r::new(crate::codec::Xz2FileFormat::Lzma, level),
Error::new(ErrorKind::Other, "out of memory")),
=> unreachable!(),
// The Run actionest, but otherwise everything went normally.
atus::FlushOk => Ok(false),
// The Rus been met, meaning that no more data can be inputompression went ok.
Status::RunOk => O let prior_out = self.compress.total_out();
to 250 inclusive. 0 is a special case,
/// eqefault value of 30 gives reasonable behaviour overr than the standard algorithm by perhaps
/// a for compression.
///
/// The `work_factor FlushCompress::Finish,
)? {
self.flushed = true;
Ok(!output.sync blocks continuously and probably never comple>,
) -> Result<()> {
self.flushed = faelf.compress.total_in() - prior_in) as usize);
ate) fn new(level: Compression, zlib_header: bool)coder::new(),
}
}
}
impl Decode for Lnon-padding then it cannot start with null bytes, while input.unwritten().first() == Some(&0) {
on<u8>,
}
impl XzDecoder {
pub fn new() -> Se>,
) -> Result<bool> {
self.inner.fini inner: crate::codec::FlateEncoder,
}
impl Deflatll_buf(cx) {
Poll::Ready(Ok(buf)) => {.filled().len() == len && buf.remaining() > 0 {
f buf.is_empty() {
*eof = trueContext) -> Poll<Result<&[u8]>> {
let (inneof);
match inner.poll_read(cx, buf) {
g_attr(not(feature = "all-implementations"), allow use futures_io::AsyncBufRead;
(self) -> $inner {
self.inner.into /// may otherwise confuse this encoder.
.
pub fn get_ref(&self) -> &$inner $($inherent_methods)*
)*
l
/// read uncompressed data from an u }
State::Done => {}
&mut *header);
if header.unwr } else {
false
ut *footer);
if footer.unwritFooter(_) | State::Done => panic!("encode after coelf.crc.update(&input.written()[prior_written..]);c::with_capacity(8);
output.extend(&self.ression) -> Vec<u8> {
let level_byte = if leve crate::codec::FlateEncoder,
crc: Crc,
stacx, &buf[..std::cmp::min(limit, buf.len())])
} fn new(io: Io, limit: usize) -> Limited<Io> {
+ Send>>>>();
_assert_sync::<$nam }
impl<R: tokio::io::AsyncBufRead> tokios this decoder returning the underlying reader.
o avoid tampering with the state of the reader whiressed member/frame and expect either EOF or anothber/frame decoding, if enabled this will reset theream and emit a stream of uncompressed data.
d encoder;
pub(crate) use self::{decoder::XzDecod&[], output.unwritten_mut(), Action::Finish)?;
=> panic!("Unexpected lzma integrity check"),
Kind::Other,
"out of memory",
revious_in = self.stream.total_in() as usize;
ew_easy_encoder(level, Check::Crc64).unwrap(),
esult;
use xz2::stream::{Action, Check, LzmaOptionen_from(input);
if data.unwri input.advance(len + 1);
}
State::Comment(data) => {
Some(len) = memchr::memchr(0, input.unwritten()) ra(vec![0; usize::from(len)].into());
let len = u16::from_le_bytes(data.ta self.header = Header::parse(&data.take().into_i flag = input[3];
let flags = Flags {
Buffer<Vec<u8>>),
Filename(Vec<u8>),
Commeefault)]
pub(super) struct Header {
flags: Flax: &mut Context<'_>,
buf: &mut [u8],
) };
if let State::Done = *this. let mut input = PartialBuffer::new(input)
pub fn into_inner(self) -> R {
self.r[pin]
reader: R,
encoder: E,
::Ready(Ok(()))
}
fn poll_shutdown(mut seontext<'_>, buf: &[u8]) -> PocWrite for Encoder<W, E> {
fn poll_write(self: State::Encoding | State::Finishing => e::Encoding => this.encoder.flush(&mut output)?,
State::Done => panic!("Write after shutdown"),
xt<'_>,
input: &mut PartialBuffer<&[u8]>,
ate {
Encoding,
Finishing,
Done,
}
pi"decompress", &"<no debug>")
.finish()? {
BrotliResult::ResultSuccess => Ok(self.decode(&mut PartialBuffer::new(&[][..]), outpself) -> Result<()> {
self.state = Box::neadvance(input_len);
output.advance(output_ -> Result<BrotliResult> {
let in_buf = inBox::new(BrotliState::new(
Standar// If set to 0, zstd selects a job size based on c feature guarded fn on next breaking release
}
/// Number of threads to spawn.
/// Emit the size of the content (default: true /// This increases the default window size.
/// Minimum size of matches searched for
f the initial probe table in 4-byte entries (as a /// type, to abstract over different versions ofspecific types for async-compression.
pub mod zstd .try_into()
.unwrap_or(0) .clamp(fastest.level(), best.level()),
ature = "bzip2")]
fn into_bzip2(self) -> bzip2ise(quality) => params.quality = quality.clamp(0, lity of compression, usually produces bigger size. "bzip2", feature = "flate2", feature = "xz2"))]
ur`"
)]
//!
#![cfg_attr(docsrs, feature(doc_auto_c feature = "lzma",
doc = "`lzma` | [`LzmaEncure = "gzip"),
doc = "`gzip` (*inactive*) | `G=BrotliEncoder), [`BrotliDecoder`](?search=BrotliDsupport, there are currently a few
//! available c doc = "[`futures-io`](crate::futures) | [`futurntation
//!
//! The first division is which underl:
//!
//! Feature | Does
//! ---------|------
//nfilled());
match self.do_poll_read(cx, &m&mut Context<'_>,
buf: &mut ReadBuf<'_>,
State::Next
this.reader.as_mut().consume(len);returned EOF.
*this.multipol) {
self.multiple_members = enabled;
et_mut(&mut self) -> &mut R {
&mut self.re decoder: D,
state: State,
multipesult {
f.debug_struct("BrotliEncoder")
tliEncoderOperation::BROTLI_OPERATION_FLUSH,
_, _| (),
) <= 0
{
&mut in_buf.len(),
in_buf,
StandardAlloc::default());
state.params = EncoderCreateInstance, BrotliEncoderHasMoreOutput, crate::codec::XzEncoder::new(level.into_xz2()),
?,
),
})
/// Dictionaries provide better compression ratw_with_dict(level.into_zstd(), dictionary)?,
n ratios for small files, but are required to
and pre-trained
/// dictionary, which eter::nb_workers()`]: crate::zstd::CParameter
specified compression level and parameters, which
algos!(@algo zstd ["zstd"] ZstdDecoder ZstdEncDecoder GzipEncoder <$inner>
{ @enc
h_quality(inner: $inner, level: crate::Level) -> S{ @dec }
);
algos!(@algo bzip2 ["tli::enc::backward_references::BrotliEncoderParams #[doc = concat!("A ", $algo_s, " encoder, or ($encoder_methods:tt)* }
{ @dec $($decoderufRead`](futures_io::AsyncBufRead) streams, both e // There was insufficient memory in th Status::FinishOk => unreachable!(),
self.decompress = Decompress::new(false);
.map_err(|e| std::io::Error::new(std::i "BzDecoder {{total_in: {}, total_out: {}}}",
;
use bzip2::{Decompress, Status};
pub struct Bz use crate::util::{_assert_send, _asserncWrite> tokio::io::AsyncWrite for $name<o avoid losing resources when this is called.
-> &mut W {
self.inner.get_mut()
)
}
/// Acquires a mutabl W) -> $name<$inner> {
$name {
te::pin_project! {
$(#[$attr])*
.advance(self.stream.total_out() as usize - previo "More memory needed",
)),
tatus::GetCheck => panic!("Unexpected lzma integri stream: Stream::new_auto_decoder(u64::max_ve std::fmt::{Debug, Formatter, Result as FmtResultin;
use tokio::io::AsyncWrite;
&mut Self>,
cx: &mut std::task::Cote of this encoder, so care should be taken
avoid tampering with the state of the writer whic the underlying writer that this encoder is wrappi write it
/// compressed to the gi /// take in uncompressed data and write it comprl_shutdown(cx);
if next.is_ready() {
cx.waker().wake_by_ref();
ded = false;
}
next
fRead + Sync>>>>();
}
};
}rt_sync};
use core::pin::Pin;
ote that this may discard internal state of this dpin::Pin<&mut Self>) -> std::pin::Pin<&mut R> {
/// may otherwise confuse this decoder.
$($($inherent_methods)*)*
eam and
/// emit a uncompressed streamecoder {
($(#[$attr:meta])* $name:ident<$inner>,
) -> Result<()> {
self.inner.encodee std::io::Result;
use flate2::Compression;
#[deeady!(Pin::new(&mut this.writer).poll_flush(cx))?; W> Future for CopyBuf<'_, R, W>
where
R: Asyn())) => {
self.closed = true;
cWrite + Unpin> tokio::io::AsyncWrite for TrackClout self.inner).poll_write_vectored(cx, bufs)
}Result<usize>> {
assert!(!self.closed);
allow(unused))]
use std::{
io::Result,
pi "Attempt to shutdown before finishing input" _ => Poll::Ready(Ok(input.written().len())),
match self.do_poll_write(cx, &mut input)? };
*this.state = state;
new(output);
let (state, done) = matc State::Done => panic!("Write after e if this.decoder.decode(input, &mut ouf>) -> Pin<&mut W> {
self.project().writer(&self) -> &W {
self.writer.get_ref()
sult};
use crate::{
codec::Decode,
tokio:es-io")]
fn bufread_multiple_members_with_invalid_,
vec![0, 0, 0, 0],
]
.join(&[][..riter,
generic::{Decoder, Encoder},
};
algos!/! Types which operate over [`AsyncWrite`](tokio::uffer that `amt` bytes have been written to its bull and cannot be flushed, the method returns `PollBufRead, D: Decode> AsyncRead for Decoder<R, D> {
ill_buf(cx))?;
if input.is_empone => State::Done,
State::Next = let done = this.decoder.decode(&mut input,tempting to reinitialise the decoder if the reader fn multiple_members(&mut self, enabled: bool) {
_members: bool,
}
}
impl<R: AsyncBufRead, D:
Done,
Next,
}
pin_project! {
#[deriva new member/frame of data.
fn /// Returns whether the internal buffers are flEncoder, Xz2FileFormat};
#[cfg(feature = "zlib")]
er, BzEncoder};
#[cfg(feature = "deflate")]
pub(crre = "brotli")]
mod brotli;
#[cfg(feature = "bzip2encoders and
//! decoders for various formats.
#[ &format_args!("{}/{}", self.buffered, self.amt;
}
}
impl<W: fmt::Debug> fmt::Debug for BufWriter<W> {
fn poll_partial_flush_buf(
ffered != 0` is if it were Pending, so our waker w ) -> Poll<io::Result<usize>> {
let this that any leftover data in the internal buffer is
/// It is inadvisable to directly write to th Ok(n) => *this.written += n,
this.written;
*this.written = 0;
io::ErrorKind::WriteZero,
ady(Ok(0)) => {
ret = Err(io::ange in the future.
pub fn new(inner: W) -> SeFAULT_BUF_SIZE: usize = 8192;
pin_project! {
ginally sourced from `futures_util::io::buf_writer assert_eq!(output, bytes);
let compressed = sync::compress(&bytes);
put = InputStream::from(compressed.chunks(2));
let output = write::decom assert_eq!(output, &[][..]);
algos::$variant::{sync, $impl::write},
Level::Precise(i32::max_value()),
one_to_six_stream().as_ref(),
65_536,
);
|input| Box::pin(write::Enctest]
fn with_level_best() {
:timeout(1000)]
fn long_chunk_ec![
(0..32_768).map(|)]
fn short_chunk_output() {
assert_eq!(output, input.bytes());
ssed = write::compress(input.as_ref(), 65_536);
let mut decoder = bufread::Decoder::new(bufrea sync::compress(&[6, 5, 4, 3, 2, 1]),
{
let bytes: Vec<u8> = (0.> = (0..65_536).map(|_| rand::random()).collect();&input);
let output = bufr= bufread::decompress(bufread::from(&input));
pressed = sync::compress(&[1, 2, 3, 4, 5, 6]);
let compressed = sync::compress(&[0; 10]);
et input = InputStream::new(vec![compressed]);
},
one_to_six, one_t bufread::from(&one_to_six_stream()),
let encoder = bufread::Encoder::with_quality(
let compressed = read::to_vec(encoder);
let output = sync::decompress(&compressed);
assert_eq!(output, one_to_six());
let compressed = bufread::compress(bufread::fromimeout(1000)]
fn empty_chunk() #[test]
#[ntest::timeout(er, encoder::FlateEncoder};
macro_rules! io_test_c interleave_pending::InterleavePending<Self>
w;
pub fn one_to_six_stream() -> InputStream {
d input_stream;
#[cfg(feature = "tokio")]
mod tokif let State::Done = self.as_mut().project().state Poll::Pending if input.written().is_empty() => Pol (State::Finishing, false)
(State::Decoding, done)
after end of stream"),
tput)? {
State::Done
self.writer.into_inner()
}
fn do_poller<W, D> {
pub fn new(writer: W, decoder: D) -Debug)]
pub struct Decoder<W, D: Decode> {
?;
Ok(encoder.into_inner())
}
async fn decompmpress(&compressed_data).await?;
assert_eq!(delen]);
self.advance(len);
other.a-> B {
self.buffer
}
}
impl<B: AsRef<> &[u8] {
&self.buffer.as_ref()[self.indexssert_sync<T: Sync>() {}
#[derive(Debug, Default)press::None,
)?;
if output> Ok(true),
Status::BufError => Err(Er self.decompress.reset(self.zlib_header);
decompress: Decompress::new(zlib_header),
d, Result};
use flate2::{Decompress, FlushDecomprer")
.field("writer", &self.inner)
<W: AsyncWrite> AsyncBufWrite for BufWriter<W> {
Ok(len))
}
}
fn poll_flush(mut seuffered + buf.len() > this.buf.len() {
er
}
/// Consumes this `BufWriter`, returet_pin_mut(self: Pin<&mut Self>) -> Pin<&mut W> {
"failed to write the buffered data",
this
.inner
.as_mu:Ready(ret)
} else if *this.buffered == 0 e(cx, &this.buf[*this.written..*this.buffered])
;
while *this.written < *this.buffered {
<[u8]>,
written: usize,
buffered: core::ready;
use pin_project_lite::pin_project;
usll::Ready(Ok(()))
}
fn poll_close(mut selalBuffer::new(buf);
match self.do_poll_wr {
if this.encoder.finish(&mut };
let produced = outp) -> Poll<Result<()>> {
let mut this = sel this.writer.as_mut().produce(produced);
let mut output = PartialBuffer::new(output);
ter: BufWriter::new(writer),
encoder,
res::write::{AsyncBufWrite, BufWriter},
util:: some amount of its buffer, returned from `poll_fl ) -> Poll<io::Result<&mut [u8]>>;
/// Tellsternal buffer to write to, flushing data out to thbytes_left = self.decoder.get_mut().flush(&mut out output.advance(status.bytes_written);
lf.decoder.get_mut().reinit()?;
Ok(())
truct ZstdDecoder {
decoder: Unshared<Decoder<e to have already flushed all the data out before this.inner.decode(input, output)
}).inner.reinit()?;
self.crc = Crc::new();
check_footer(&self.crc, footer.written())?;
let done = inner(self, input, output)?;
if let Some(header) = parser.input(input)? {tate: State::Header(header::Parser::default()),
id gzip footer length",
));
}
letEncoder};
#[macro_use]
mod utils;
test_cases!(bro on LZMA 1 is not supported
Ok(true)
}d::io::Result;
#[derive(Debug)]
pub struct LzmaEn // the request, but otherwise everything went // Decompression went fine, nothing much to re// The stream's end has been met, meaning that no / The Flush action on a compression went ok.
y in the input or output buffer to complete
to report.
Status::Ok => Ok(()),
() - prior_out) as usize);
Ok(status)
esult<Status> {
let prior_in = self.compree fallback. You should set
/// this parameter o matter how bad the
/// input.
///
//, f: &mut fmt::Formatter<'_>) -> fmt::Result {
new(ErrorKind::Other, "unexpected BufError")),
().len() == old_len {
break;
FlushCompress::Sync,
)?;
h self.encode(input, output, FlushCompress::None)?ess
.compress(input.unwritten(), outpu{
compress: Compress,
flushed: bool,
}
imec::Encode, util::PartialBuffer};
use std::io::{Ere for LzmaDecoder {
fn reinit(&mut self) -> Reool> {
if self.skip_padding.is_some() {
ErrorKind::InvalidData,
*count -= 1;
if *count == 0 {
codec::Xz2Decoder,
skip_padding: Option<u8>,
}sult<bool> {
self.inner.flush(output)
t().0.consume(amt)
}
}
use crate::{codec::Enco other => other,
}
}
fn const!(!*eof);
let len = buf.filled().len();
fn consume(self: Pin<&mut Self>, amt: usize) {
-io")]
impl<R: futures::io::AsyncBufRead + Unpin> inner, eof) = self.project();
assert!(!*eol},
};
pub struct TrackEof<R> {
inner: R,
const _: () = {
fn _assert() {
internal state of this encoder, so care should be /// Acquires a pinned mutable refereder that this encoder is
/// wrapping. inner: crate::futures::bufread::Encoder<$inner,`](futures_io::AsyncRead) interface and will
self.state = State::Done;
output.copy_unwritten_from(&mut *header);
if done {
return Ok(true);
ut)?,
State::Footer(footer) => {
;
}
}
}
fn flush(
tate::Encoding => {
let prior_sult<()> {
loop {
match &mut sGzipEncoder {
pub(crate) fn new(level: Compres.poll_shutdown(cx)
}
}
mod decoder;
mod encode Pin::new(&mut self.io).poll_write(cx, &buf[.or Limited<W> {
fn poll_write(
mut sel _assert_send::<$name<Pin<Box<dyn AsyncBu /// to avoid losing resources when this is cal ///
/// Note that care must be taker which
/// may otherwise confuse this }
/// Acquires a reference /// Creates a new decoder which will read compre /// This structure implements an [`AsyncRead`]($inner:ident> $({ $($inherent_methods:tt)* })*) => let status = self
.stream
e),
Status::StreamEnd => Ok(true),
Status::MemNeeded => Err(std::io::Error::et previous_out = self.stream.total_out() as usize}
}
impl Encode for Xz2Encoder {
fn encode(
ncoder {
fn fmt(&self, f: &mut Formatter<'_>) urn Ok(Some(std::mem::take(&mut self.header)));
data.extend_from_slice(input.unwritten());
if !self.header.flags.comment {
extend_from_slice(&input.unwritten()[..len]);
se {
return Ok(None);
data.copy_unwritten_from(input);
self.state = State::ExtraLen(<_>::default());
ascii: (flag & 0b0000_0001) != 0,
Buffer<[u8; 2]>),
Done,
}
impl Default for St _ => Poll::Ready(Ok(output.written().len())ll<Result<usize>> {
if buf.is_empty() {
e::Done,
};
if let State:op {
*this.state = match this.state {
(&self) -> &R {
&self.reader
}
puEncoder<R, E> {
pub fn new(reader: R, encoder::Encode, util::PartialBuffer};
use futures_core::rult<()>> {
ready!(self.as_mut().do_poll_fl}
impl<W: AsyncWrite, E: Encode> AsyncWrite for Eoject();
loop {
let output = tate::Finishing | State::Done => panic!("Flush aft Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Resdy!(this.writer.as_mut().poll_partial_flush_buf(cxfn get_ref(&self) -> &W {
self.writer.get_
#[pin]
writer: BufWriter<W>,
task::{Context, Poll},
};
use std::io::Result;
BrotliResult::ResultFailure => unreachable!(),
| BrotliResult::NeedsMoreInput => Ok(false),
t<bool> {
match self.decode(input, output) &mut self.state,
) {
Brotliuf = input.unwritten();
let mut out_buf = tandardAlloc, BrotliDecompressStream, BrotliResult}
pub(crate) fn as_zstd(&self) -> libzstd otherwise it will cause a panic
/// when ).
pub fn checksum_flag(value: bool) -> Se /// Size of each bucket in the LDM hash table fohe long-distance matching table (as a power of two Self(MinMatch(value))
}
/// St of two)
pub fn hash_log(value: u32) -> Se)]
pub struct CParameter(libzstd::stream::raw: }
}
#[cfg(feature = "zstd")]
/// This module co Self::Best => best,
Self::Precise(qualf::Default => bzip2::Compression::default(),
let fastest = bzip2::Compression::fast();
match self {
Self::Fastest => params.qebug)]
pub enum Level {
/// Fastest quality ofnto;
#[macro_use]
mod macros;
mod codec;
#[cfg(f"`zlib` (*inactive*) | `ZlibEncoder`, `ZlibDecoderXzEncoder), [`XzDecoder`](?search=XzDecoder)"
)]
#er`, `DeflateDecoder`"
)]
# | `tokio::io::AsyncBufRead`, `)"
)]
#![cfg_attr(
not(feature = "futures-io")tations, needs to be paired with a selection of al` | Activates all implementations and algorithmsoll<Result<()>> {
if buf.remaining() == 0 {
return Poll::Ready(Ok(()));
poll_fill_buf(cx))?;
if input. if this.decoder.finish(output)? {
State::Flushing
} else {
let input = ready!(this.reader.as_mut().poll_fidecoder,
state: State::Decoding,
#[derive(Debug)]
enum State {
Decoding,
inish()
}
}
use core::{
pin::Pin,
taskialBuffer::new(&[][..]),
output,
return Err(Error::new(ErrorKind::Other, "br let mut input_len = 0;
let mut output_len &mut self,
input: &mut PartialBuffer<implstd::{
fmt,
io::{Error, ErrorKind, Result}algos!(@algo lzma ["lzma"] LzmaDecoder LzmaEncoder );
algos!(@algo xz ["xz"] XzDecodestd::io::Result<Self> {
Ok(Self {
codec::ZstdEncoder::new_with_dict(level.into_zstd( dictionary: &[u8]) -> ::std::io::Result<Self> {
/// Creates a new encoder, using the specified if this function is called with a [`CParameter::n uncompressed data from the given stream and emit pub fn with_quality(inner: $inner, level: crate(level.into_flate2()),
),
lateDecoder DeflateEncoder <$inner>
{ @encner: crate::$($mod::)+generic::Encoder::new(
crate::codec::BrotliEncoder::new(level.into_ Self::with_quality(inner, crate::Level::Default #[cfg(feature = $algo_s)]
decoder! {nwritten().is_empty())
}
fn finish(
p {
let old_len = output.written().len // The Finish action on compression went ok.
)
}
}
impl Decode for BzDecoder {
fn rein input.advance((self.decompress.total_in() - p }
}
fn decode(
&mut self,
;
pub(crate) use self::{decoder::GzipDecoder, enc self.project().inner.poll_flush(cx)
self.project().inner.poll_write(cx, buf)
d.
pub fn into_inner(self) -> W {
be taken to avoid tampering with the state of the erence to the underlying reader that this decoder inner: crate::tokio::write::Decoder::new(read, c) => {
pin_project_lite::pin_project! {
.process(&[], output.unwritten_mut(), Actiof<[u8]> + AsMut<[u8]>>,
) -> Result<bool> {
ut);
match status {
Status::Oer<impl AsRef<[u8]>>,
output: &mut Partial::{codec::Decode, util::PartialBuffer};
use std::rt() {
use crate::util::{_assert_sask::Context<'_>,
buf: &[u8],
his encoder returning the underlying writer.
self.project().inner.get_pin_mut()
pub fn get_mut(&mut self) -> &mut $inner {
impl<$inner: tokio::io::AsyncWrite> $name< compressed to an underlying stream.
# Poll::Pending
}
}
}
#[macro_uset<()>> {
if self.pended {
let mut self: Pin<&mut Self>,
cx: &mut Context) -> Self {
Self {
inner,
) -> std::task::Poll<std::io::Result<usize>
fn poll_read(
self: s pub fn get_pin_mut(self: std::pin::Pin<&mut Selapping.
///
/// Note that self.inner.multiple_members(enabled);
:codec::$name>,
}
}
iug)]
pub struct $name<$inner> {
