macro_rules! algos {
(@algo $algo:ident [$algo_s:expr] $decoder:ident $encoder:ident<$inner:ident> $({ $($constructor:tt)* })*) => {
#[cfg(feature = $algo_s)]
decoder! {
#[doc = $algo_s]
#[cfg_attr(docsrs, doc(cfg(feature = $algo_s)))]
$decoder
}
#[cfg(feature = $algo_s)]
encoder! {
#[doc = $algo_s]
#[cfg_attr(docsrs, doc(cfg(feature = $algo_s)))]
$encoder<$inner> $({ $($constructor)* })*
}
};
($($mod:ident)::+<$inner:ident>) => {
algos!(@algo brotli ["brotli"] BrotliDecoder BrotliEncoder<$inner> {
pub fn new(reader: $inner, level: u32) -> Self {
let mut params = brotli2::CompressParams::new();
params.quality(level);
Self::from_params(reader, ¶ms)
}
} {
pub fn from_params(inner: $inner, params: &brotli2::CompressParams) -> Self {
Self {
inner: crate::$($mod::)+generic::Encoder::new(
inner,
crate::codec::BrotliEncoder::new(params),
),
}
}
});
algos!(@algo bzip2 ["bzip2"] BzDecoder BzEncoder<$inner> {
pub fn new(inner: $inner, level: bzip2::Compression) -> Self {
Self {
inner: crate::$($mod::)+generic::Encoder::new(
inner,
crate::codec::BzEncoder::new(level, 30),
),
}
}
});
algos!(@algo deflate ["deflate"] DeflateDecoder DeflateEncoder<$inner> {
pub fn new(inner: $inner, level: flate2::Compression) -> Self {
Self {
inner: crate::$($mod::)+generic::Encoder::new(
inner,
crate::codec::DeflateEncoder::new(level),
),
}
}
});
algos!(@algo gzip ["gzip"] GzipDecoder GzipEncoder<$inner> {
pub fn new(inner: $inner, level: flate2::Compression) -> Self {
Self {
inner: crate::$($mod::)+generic::Encoder::new(
inner,
crate::codec::GzipEncoder::new(level),
),
}
}
});
algos!(@algo zlib ["zlib"] ZlibDecoder ZlibEncoder<$inner> {
pub fn new(inner: $inner, level: flate2::Compression) -> Self {
Self {
inner: crate::$($mod::)+generic::Encoder::new(
inner,
crate::codec::ZlibEncoder::new(level),
),
}
}
});
algos!(@algo zstd ["zstd"] ZstdDecoder ZstdEncoder<$inner> {
pub fn new(inner: $inner, level: i32) -> Self {
Self {
inner: crate::$($mod::)+generic::Encoder::new(
inner,
crate::codec::ZstdEncoder::new(level),
),
}
}
});
}
}