vwritebufferedstream.h

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/*
Copyright c1997-2014 Trygve Isaacson. All rights reserved.
This file is part of the Code Vault version 4.1
http://www.bombaydigital.com/
License: MIT. See LICENSE.md in the Vault top level directory.
*/

#ifndef vwritebufferedstream_h
#define vwritebufferedstream_h

#include "vmemorystream.h"

class VWriteBufferedStream : public VMemoryStream {
    public:

        VWriteBufferedStream(VStream& rawStream, Vs64 initialBufferSize = VMemoryStream::kDefaultBufferSize, Vs64 resizeIncrement = VMemoryStream::kIncrement2x);
        virtual ~VWriteBufferedStream() {}

        virtual Vs64 read(Vu8* targetBuffer, Vs64 numBytesToRead);

        virtual void flush();

        virtual bool skip(Vs64 numBytesToSkip);

        // FIXME: need to define the semantics of tell() and seek() for
        // this subclass. For the moment, we'll do like seek/skip and
        // call through to the raw stream, though I'm not sure it should
        // really be like that.

    private:

        // Prevent copy construction and assignment since there is no provision for sharing the raw stream.
        VWriteBufferedStream(const VWriteBufferedStream& other);
        VWriteBufferedStream& operator=(const VWriteBufferedStream& other);

        VStream& mRawStream; 
};

#endif /* vwritebufferedstream_h */