69 lines
1.5 KiB
C++
69 lines
1.5 KiB
C++
// Copyright (c) 2012-2020 Wojciech Figat. All rights reserved.
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#pragma once
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#include "Engine/Platform/Types.h"
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#include "WriteStream.h"
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/// <summary>
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/// Implementation of the stream that has access to the file and is optimized for fast writing to it.
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/// </summary>
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/// <seealso cref="WriteStream" />
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class FLAXENGINE_API FileWriteStream : public WriteStream
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{
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private:
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File* _file;
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uint32 _virtualPosInBuffer;
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byte _buffer[FILESTREAM_BUFFER_SIZE];
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public:
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NON_COPYABLE(FileWriteStream);
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/// <summary>
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/// Init
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/// </summary>
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/// <param name="file">File to write</param>
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FileWriteStream(File* file);
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/// <summary>
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/// Destructor
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/// </summary>
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~FileWriteStream();
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public:
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/// <summary>
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/// Gets the file handle.
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/// </summary>
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/// <returns>File</returns>
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FORCE_INLINE const File* GetFile() const
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{
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return _file;
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}
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/// <summary>
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/// Unlink file object passed via constructor
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/// </summary>
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void Unlink();
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public:
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/// <summary>
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/// Open file to read data from it
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/// </summary>
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/// <param name="path">Path to the file</param>
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/// <returns>Created file writer stream or null if cannot perform it</returns>
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static FileWriteStream* Open(const StringView& path);
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public:
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// [WriteStream]
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void Flush() final override;
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void Close() final override;
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uint32 GetLength() override;
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uint32 GetPosition() override;
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void SetPosition(uint32 seek) override;
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void WriteBytes(const void* data, uint32 bytes) override;
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};
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