61 lines
1.8 KiB
C++
61 lines
1.8 KiB
C++
/***
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Copyright (C) 2021 J Reece Wilson (a/k/a "Reece"). All rights reserved.
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File: BlobSeekableWriter.hpp
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Date: 2024-03-05
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Author: Reece
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***/
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#pragma once
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namespace Aurora::IO::Buffered
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{
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struct BlobSeekableWriter : ISeekingWriter
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{
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AU_COPY_MOVE_DEF(BlobSeekableWriter)
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inline BlobSeekableWriter(const AuSPtr<Memory::ByteBuffer> &buffer) : pBuffer_(buffer) {}
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inline BlobSeekableWriter(Memory::ByteBuffer &&buffer) : pBuffer_(AuMakeShared<Memory::ByteBuffer>(AuMove(buffer))) {}
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inline BlobSeekableWriter(const Memory::ByteBuffer &buffer) : pBuffer_(AuMakeShared<Memory::ByteBuffer>(buffer)) {}
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inline virtual EStreamError IsOpen() override
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{
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if (!this->pBuffer_)
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{
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return EStreamError::eErrorStreamNotOpen;
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}
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return EStreamError::eErrorNone;
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}
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inline virtual EStreamError ArbitraryWrite(AuUInt offset, const Memory::MemoryViewStreamRead ¶meters) override
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{
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if (!this->pBuffer_)
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{
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return EStreamError::eErrorStreamNotOpen;
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}
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__audetail::BufferLock(this->pBuffer_.get());
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if (this->pBuffer_->empty())
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{
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return EStreamError::eErrorEndOfStream;
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}
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this->pBuffer_->writePtr = this->pBuffer_->base + offset;
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parameters.outVariable = this->pBuffer_->Write(parameters.ptr, parameters.length);
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return parameters.outVariable == 0 ? EStreamError::eErrorEndOfStream : EStreamError::eErrorNone;
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}
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inline virtual void Flush() override
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{
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}
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inline virtual void Close() override
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{
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AuResetMember(this->pBuffer_);
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}
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private:
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AuSPtr<Memory::ByteBuffer> pBuffer_;
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};
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} |