AuroraRuntime/Source/Compression/BlockDecompressor.hpp

/***
    Copyright (C) 2021 J Reece Wilson (a/k/a "Reece"). All rights reserved.

    File: BlockDecompressor.hpp
    Date: 2021-6-17
    Author: Reece
***/
#pragma once

namespace Aurora::Compression
{
    class BaseStream : public ICompressionStream
    {
    public:
        BaseStream(int bufferSize = 4096 * 4) : _outbuffer(bufferSize, true) {}
        
        virtual ~BaseStream() {}

        virtual bool Init(const AuSPtr<IO::IStreamReader> &reader) = 0;

        virtual bool ReadByProcessedN(void * /*opt*/, AuUInt32 minimumInflated) override;
        virtual bool ReadByProcessedN(void * /*opt*/, AuUInt32 minimumInflated, AuStreamReadWrittenPair_t &pair, bool ingestUntilEOS = true) override;
        virtual bool GoBackByProcessedN(AuUInt32 offset) override;
        virtual bool GoForwardByProcessedN(AuUInt32 offset) override;

        /// @deprecated
        virtual AuUInt32 GetInternalBufferSize();

        bool Write(const void *a, AuUInt32 length);

        virtual void Flush() override {}

    protected:
        Memory::ByteBuffer _outbuffer;
    };
}