62 lines
1.8 KiB
C++
62 lines
1.8 KiB
C++
/***
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Copyright (C) 2022 J Reece Wilson (a/k/a "Reece"). All rights reserved.
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File: BaseStream.hpp
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Date: 2022-2-14
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Author: Reece
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***/
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#pragma once
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#include "IngestableReadBase.hpp"
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namespace Aurora::Compression
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{
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struct BaseStream : ICompressionStream, protected IngestableReadBase
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{
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inline BaseStream(AuUInt32 bufferSize = 4096 * 4) : _outbufferOwned(bufferSize, true), uBufferSize_(bufferSize)
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{
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SetBuffer({});
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}
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inline virtual ~BaseStream()
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{}
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virtual bool Init(const AuSPtr<IO::IStreamReader> &reader) = 0;
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virtual AuUInt32 GetAvailableProcessedBytes() override;
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virtual AuStreamReadWrittenPair_t ReadEx(const Memory::MemoryViewWrite & /*opt*/ destination, bool ingestUntilEOS) override;
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virtual AuUInt32 Read(const Memory::MemoryViewWrite & /*opt*/ destination) override;
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virtual bool GoBackByProcessedN(AuUInt32 offset) override;
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virtual bool GoForwardByProcessedN(AuUInt32 offset) override;
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virtual AuUInt32 GetInternalBufferSize() override;
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bool Write(const void *a, AuUInt32 length);
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virtual AuStreamReadWrittenPair_t Ingest(AuUInt32 bytesFromUnprocessedInputSource) override;
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inline virtual bool Flush() override
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{
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return false;
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}
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inline virtual bool Finish() override
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{
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return false;
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}
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bool IsValid();
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AuSPtr<Memory::ByteBuffer> GetBuffer();
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void SetBuffer(const AuSPtr<Memory::ByteBuffer> &pBuffer);
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protected:
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virtual AuStreamReadWrittenPair_t Ingest_s(AuUInt32 bytesFromUnprocessedInputSource) = 0;
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AuSPtr<Memory::ByteBuffer> pOutputBuffer_;
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Memory::ByteBuffer _outbufferOwned;
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AuThreadPrimitives::SpinLock _spinlock;
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AuUInt32 uBufferSize_;
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};
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} |