AuroraRuntime/Source/IO/FS/FileStream.Unix.hpp

53 lines
1.7 KiB
C++

/***
Copyright (C) 2021 J Reece Wilson (a/k/a "Reece"). All rights reserved.
File: FileStream.Unix.hpp
Date: 2021-6-12
Author: Reece
***/
#pragma once
#if !defined(_AURUNTIME_GENERICFILESTREAM)
namespace Aurora::IO::FS
{
// Code-sharing for async API fallbacks...
struct PosixFileStream : IFileStream
{
PosixFileStream();
~PosixFileStream();
bool Init(AuSPtr<IIOHandle> pHandle);
AuUInt64 GetOffset() override;
bool SetOffset(AuUInt64 offset) override;
AuUInt64 GetLength() override;
bool Read(const Memory::MemoryViewStreamWrite &parameters) override;
bool Write(const Memory::MemoryViewStreamRead & parameters) override;
void Close() override;
void Flush() override;
void WriteEoS() override;
void MakeTemporary() override;
bool IsFlushOnClose() const override;
void SetFlushOnClose(bool bFlushOnClose) override;
bool IsWriteEoSOnClose() const override;
void SetWriteEoSOnClose(bool bFlushOnClose) override;
AuSPtr<IIOHandle> GetHandle() override;
IO::IStreamReader *ToStreamReader() override;
IO::IStreamWriter *ToStreamWriter() override;
IO::ISeekingReader *ToStreamSeekingReader() override;
IO::ISeekingWriter *ToStreamSeekingWriter() override;
int GetUnixHandle();
private:
AuSPtr<IIOHandle> pHandle_;
AuString path_;
AuMutex mutex_;
bool bMadeTemporary {}, bShouldWriteEoS {};
AuFS::FileReader reader_;
AuFS::FileWriter writer_;
AuFS::FileSeekableReader sreader_;
AuFS::FileSeekableWriter swriter_;
};
}
#endif