50 lines
1.2 KiB
C++
50 lines
1.2 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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#include "BlobWriter.h"
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#define UE_API HORDE_API
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/**
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* Writes data to a series of memory blocks
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*/
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class FChunkedBufferWriter
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{
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public:
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UE_API FChunkedBufferWriter(size_t InitialSize = 1024);
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FChunkedBufferWriter(const FChunkedBufferWriter&) = delete;
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FChunkedBufferWriter& operator = (const FChunkedBufferWriter&) = delete;
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UE_API virtual ~FChunkedBufferWriter();
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/** Reset the contents of this writer. */
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UE_API void Reset();
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/** Gets the current written length of this buffer. */
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UE_API size_t GetLength() const;
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/** Get a handle to part of the written buffer */
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UE_API FSharedBufferView Slice(size_t Offset, size_t Length) const;
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/** Gets a view over the underlying buffer. */
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UE_API TArray<FMemoryView> GetView() const;
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/** Copies the entire contents of this writer to another buffer. */
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UE_API void CopyTo(void* Buffer) const;
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/** Gets an output buffer for writing. */
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UE_API FMutableMemoryView GetOutputBuffer(size_t UsedSize, size_t DesiredSize);
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/** Increase the length of the written data. */
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UE_API void Advance(size_t Size);
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private:
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struct FChunk;
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TArray<FChunk> Chunks;
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size_t WrittenLength;
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};
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#undef UE_API
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