nix/src/libutil/compression.hh

#pragma once

#include "ref.hh"
#include "types.hh"
#include "serialise.hh"

#include <string>

namespace nix {

struct CompressionSink : BufferedSink, FinishSink
{
    using BufferedSink::operator ();
    using BufferedSink::write;
    using FinishSink::finish;
};

ref<std::string> decompress(const std::string & method, const std::string & in);

std::unique_ptr<FinishSink> makeDecompressionSink(const std::string & method, Sink & nextSink);

ref<std::string> compress(const std::string & method, const std::string & in, const bool parallel = false, int level = -1);

ref<CompressionSink> makeCompressionSink(const std::string & method, Sink & nextSink, const bool parallel = false, int level = -1);

MakeError(UnknownCompressionMethod, Error);

MakeError(CompressionError, Error);

}