55 lines
1.3 KiB
C++
55 lines
1.3 KiB
C++
/***
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Copyright (C) 2021 J Reece Wilson (a/k/a "Reece"). All rights reserved.
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File: IStreamReader.hpp
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Date: 2021-6-10
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Author: Reece
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***/
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#pragma once
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namespace Aurora::IO
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{
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class IStreamReader
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{
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public:
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virtual EStreamError Open() = 0;
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virtual EStreamError Read(const Memory::MemoryViewStreamWrite ¶mters) = 0;
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virtual void Close() = 0;
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EStreamError ReadAll(Memory::ByteBuffer &buffer)
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{
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static const int kBufferSize = 2048;
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AuUInt len;
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EStreamError ret;
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AuUInt8 temp[kBufferSize];
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len = kBufferSize;
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ret = EStreamError::eErrorEndOfStream;
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buffer = Memory::NewResizableBuffer();
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while ((ret = Read(Memory::MemoryViewStreamWrite(temp, len))) == EStreamError::eErrorNone)
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{
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if (len == 0)
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{
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break;
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}
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buffer.Write(temp, len);
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if (len != kBufferSize)
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{
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break;
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}
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}
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if (ret == EStreamError::eErrorEndOfStream)
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{
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return EStreamError::eErrorNone;
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}
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return ret;
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}
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};
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} |