73 lines
1.8 KiB
C++
73 lines
1.8 KiB
C++
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/***
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Copyright (C) 2024 J Reece Wilson (a/k/a "Reece"). All rights reserved.
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File: FileSeekableWriter.hpp
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Date: 2024-2-25
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Author: Reece
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***/
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#pragma once
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namespace Aurora::IO::FS
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{
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struct FileSeekableWriter : ISeekingWriter
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{
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AU_NO_COPY_NO_MOVE(FileSeekableWriter)
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inline FileSeekableWriter() {}
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inline FileSeekableWriter(const AuSPtr<IFileStream> &stream) : stream_(stream) { }
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inline ~FileSeekableWriter() {}
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template<typename... T>
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bool OpenFile(T... args)
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{
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this->stream_ = OpenWriteShared(args...);
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return bool(this->stream_);
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}
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virtual EStreamError IsOpen() override
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{
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return this->stream_ ? EStreamError::eErrorNone : EStreamError::eErrorStreamInterrupted;
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}
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virtual EStreamError ArbitraryWrite(AuUInt offset, const Memory::MemoryViewStreamRead ¶mters) override
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{
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if (!this->stream_)
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{
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return EStreamError::eErrorStreamNotOpen;
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}
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if (!this->stream_->SetOffset(offset))
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{
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return EStreamError::eErrorEndOfStream;
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}
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if (!this->stream_->Write(paramters))
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{
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return EStreamError::eErrorStreamInterrupted;
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}
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if (paramters.outVariable == 0)
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{
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return EStreamError::eErrorEndOfStream;
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}
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return EStreamError::eErrorNone;
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}
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virtual void Flush() override
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{
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if (this->stream_)
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{
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this->stream_->Flush();
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}
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}
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virtual void Close() override
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{
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this->stream_.reset();
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}
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private:
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AuSPtr<IFileStream> stream_{};
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};
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}
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