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|
macro_rules! io_algo {
($impl:ident, $algo:ident($encoder:ident, $decoder:ident)) => {
pub mod $impl {
pub mod read {
pub use crate::utils::impls::$impl::read::{poll_read, to_vec};
}
pub mod bufread {
pub use crate::utils::impls::$impl::bufread::{from, AsyncBufRead};
pub use async_compression::$impl::bufread::{
$decoder as Decoder, $encoder as Encoder,
};
use crate::utils::{pin_mut, Level};
pub fn compress(input: impl AsyncBufRead) -> Vec<u8> {
pin_mut!(input);
super::read::to_vec(Encoder::with_quality(input, Level::Fastest))
}
pub fn decompress(input: impl AsyncBufRead) -> Vec<u8> {
pin_mut!(input);
super::read::to_vec(Decoder::new(input))
}
}
pub mod write {
pub use crate::utils::impls::$impl::write::to_vec;
pub use async_compression::$impl::write::{
$decoder as Decoder, $encoder as Encoder,
};
use crate::utils::Level;
pub fn compress(input: &[Vec<u8>], limit: usize) -> Vec<u8> {
to_vec(
input,
|input| Box::pin(Encoder::with_quality(input, Level::Fastest)),
limit,
)
}
pub fn decompress(input: &[Vec<u8>], limit: usize) -> Vec<u8> {
to_vec(input, |input| Box::pin(Decoder::new(input)), limit)
}
}
}
};
}
macro_rules! algos {
($(pub mod $name:ident($feat:literal, $encoder:ident, $decoder:ident) { pub mod sync { $($tt:tt)* } })*) => {
$(
#[cfg(feature = $feat)]
pub mod $name {
pub mod sync { $($tt)* }
#[cfg(feature = "futures-io")]
io_algo!(futures, $name($encoder, $decoder));
#[cfg(feature = "tokio")]
io_algo!(tokio, $name($encoder, $decoder));
}
)*
}
}
algos! {
pub mod brotli("brotli", BrotliEncoder, BrotliDecoder) {
pub mod sync {
pub use crate::utils::impls::sync::to_vec;
pub fn compress(bytes: &[u8]) -> Vec<u8> {
use brotli::{enc::backward_references::BrotliEncoderParams, CompressorReader};
let params = BrotliEncoderParams { quality: 1, ..Default::default() };
to_vec(CompressorReader::with_params(bytes, 0, ¶ms))
}
pub fn decompress(bytes: &[u8]) -> Vec<u8> {
use brotli::Decompressor;
to_vec(Decompressor::new(bytes, 0))
}
}
}
pub mod bzip2("bzip2", BzEncoder, BzDecoder) {
pub mod sync {
pub use crate::utils::impls::sync::to_vec;
pub fn compress(bytes: &[u8]) -> Vec<u8> {
use bzip2::{bufread::BzEncoder, Compression};
to_vec(BzEncoder::new(bytes, Compression::fast()))
}
pub fn decompress(bytes: &[u8]) -> Vec<u8> {
use bzip2::bufread::BzDecoder;
to_vec(BzDecoder::new(bytes))
}
}
}
pub mod deflate("deflate", DeflateEncoder, DeflateDecoder) {
pub mod sync {
pub use crate::utils::impls::sync::to_vec;
pub fn compress(bytes: &[u8]) -> Vec<u8> {
use flate2::{bufread::DeflateEncoder, Compression};
to_vec(DeflateEncoder::new(bytes, Compression::fast()))
}
pub fn decompress(bytes: &[u8]) -> Vec<u8> {
use flate2::bufread::DeflateDecoder;
to_vec(DeflateDecoder::new(bytes))
}
}
}
pub mod zlib("zlib", ZlibEncoder, ZlibDecoder) {
pub mod sync {
pub use crate::utils::impls::sync::to_vec;
pub fn compress(bytes: &[u8]) -> Vec<u8> {
use flate2::{bufread::ZlibEncoder, Compression};
to_vec(ZlibEncoder::new(bytes, Compression::fast()))
}
pub fn decompress(bytes: &[u8]) -> Vec<u8> {
use flate2::bufread::ZlibDecoder;
to_vec(ZlibDecoder::new(bytes))
}
}
}
pub mod gzip("gzip", GzipEncoder, GzipDecoder) {
pub mod sync {
pub use crate::utils::impls::sync::to_vec;
pub fn compress(bytes: &[u8]) -> Vec<u8> {
use flate2::{bufread::GzEncoder, Compression};
to_vec(GzEncoder::new(bytes, Compression::fast()))
}
pub fn decompress(bytes: &[u8]) -> Vec<u8> {
use flate2::bufread::GzDecoder;
to_vec(GzDecoder::new(bytes))
}
}
}
pub mod zstd("zstd", ZstdEncoder, ZstdDecoder) {
pub mod sync {
pub use crate::utils::impls::sync::to_vec;
pub fn compress(bytes: &[u8]) -> Vec<u8> {
use libzstd::stream::read::Encoder;
use libzstd::DEFAULT_COMPRESSION_LEVEL;
to_vec(Encoder::new(bytes, DEFAULT_COMPRESSION_LEVEL).unwrap())
}
pub fn decompress(bytes: &[u8]) -> Vec<u8> {
use libzstd::stream::read::Decoder;
to_vec(Decoder::new(bytes).unwrap())
}
}
}
pub mod xz("xz", XzEncoder, XzDecoder) {
pub mod sync {
pub use crate::utils::impls::sync::to_vec;
pub fn compress(bytes: &[u8]) -> Vec<u8> {
use liblzma::bufread::XzEncoder;
to_vec(XzEncoder::new(bytes, 0))
}
pub fn decompress(bytes: &[u8]) -> Vec<u8> {
use liblzma::bufread::XzDecoder;
to_vec(XzDecoder::new(bytes))
}
}
}
pub mod lzma("lzma", LzmaEncoder, LzmaDecoder) {
pub mod sync {
pub use crate::utils::impls::sync::to_vec;
pub fn compress(bytes: &[u8]) -> Vec<u8> {
use liblzma::bufread::XzEncoder;
use liblzma::stream::{LzmaOptions, Stream};
to_vec(XzEncoder::new_stream(
bytes,
Stream::new_lzma_encoder(&LzmaOptions::new_preset(0).unwrap()).unwrap(),
))
}
pub fn decompress(bytes: &[u8]) -> Vec<u8> {
use liblzma::bufread::XzDecoder;
use liblzma::stream::Stream;
to_vec(XzDecoder::new_stream(
bytes,
Stream::new_lzma_decoder(u64::MAX).unwrap(),
))
}
}
}
pub mod lz4("lz4", Lz4Encoder, Lz4Decoder) {
pub mod sync {
pub use crate::utils::impls::sync::to_vec;
pub fn compress(bytes: &[u8]) -> Vec<u8> {
use std::io::Write;
use lz4::EncoderBuilder;
let mut encoder = EncoderBuilder::new().build(vec![]).unwrap();
encoder.write_all(bytes).unwrap();
let (compressed_bytes, result) = encoder.finish();
result.unwrap();
compressed_bytes
}
pub fn decompress(bytes: &[u8]) -> Vec<u8> {
use lz4::Decoder;
to_vec(Decoder::new(bytes).unwrap())
}
}
}
}
macro_rules! io_algo_parallel {
($impl:ident, $algo:ident($encoder:ident, $decoder:ident)) => {
pub mod $impl {
const THREADS: std::num::NonZeroU32 = std::num::NonZeroU32::new(16).unwrap();
pub mod read {
pub use crate::utils::impls::$impl::read::{poll_read, to_vec};
}
pub mod bufread {
pub use crate::utils::impls::$impl::bufread::{from, AsyncBufRead};
pub use async_compression::$impl::bufread::{
$decoder as Decoder, $encoder as Encoder,
};
use super::THREADS;
use crate::utils::{pin_mut, Level};
pub fn compress(input: impl AsyncBufRead) -> Vec<u8> {
pin_mut!(input);
super::read::to_vec(Encoder::parallel(input, Level::Fastest, THREADS))
}
pub fn decompress(input: impl AsyncBufRead) -> Vec<u8> {
pin_mut!(input);
super::read::to_vec(Decoder::parallel(input, THREADS))
}
}
pub mod write {
pub use crate::utils::impls::$impl::write::to_vec;
pub use async_compression::$impl::write::{
$decoder as Decoder, $encoder as Encoder,
};
use super::THREADS;
use crate::utils::Level;
pub fn compress(input: &[Vec<u8>], limit: usize) -> Vec<u8> {
to_vec(
input,
|input| Box::pin(Encoder::parallel(input, Level::Fastest, THREADS)),
limit,
)
}
pub fn decompress(input: &[Vec<u8>], limit: usize) -> Vec<u8> {
to_vec(
input,
|input| Box::pin(Decoder::parallel(input, THREADS)),
limit,
)
}
}
}
};
}
macro_rules! algos_parallel {
($(pub mod $name:ident($feat:literal, $encoder:ident, $decoder:ident) { pub mod sync { $($tt:tt)* } })*) => {
$(
#[cfg(feature = $feat)]
pub mod $name {
pub mod sync { $($tt)* }
#[cfg(feature = "futures-io")]
io_algo_parallel!(futures, $name($encoder, $decoder));
#[cfg(feature = "tokio")]
io_algo_parallel!(tokio, $name($encoder, $decoder));
}
)*
}
}
algos_parallel! {
pub mod xz_parallel("xz-parallel", XzEncoder, XzDecoder) {
pub mod sync {
pub use crate::utils::impls::sync::to_vec;
pub fn compress(bytes: &[u8]) -> Vec<u8> {
use liblzma::bufread::XzEncoder;
to_vec(XzEncoder::new(bytes, 0))
}
pub fn decompress(bytes: &[u8]) -> Vec<u8> {
use liblzma::bufread::XzDecoder;
to_vec(XzDecoder::new(bytes))
}
}
}
}
|
