StreamWrapper.h

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/****
 * Sming Framework Project - Open Source framework for high efficiency native ESP8266 development.
 * Created 2015 by Skurydin Alexey
 * http://github.com/SmingHub/Sming
 * All files of the Sming Core are provided under the LGPL v3 license.
 *
 * StreamWrapper.h
 *
 * @author: 2021 - Slavey Karadzhov <slav@attachix.com>
 *
 ****/

#pragma once

#include "ReadWriteStream.h"
#include <memory>

class StreamWrapper : public ReadWriteStream
{
public:
    StreamWrapper(ReadWriteStream* source) : source(source)
    {
    }

    StreamType getStreamType() const override
    {
        return eSST_Wrapper;
    }

    uint16_t readMemoryBlock(char* data, int bufSize) override
    {
        return source ? source->readMemoryBlock(data, bufSize) : 0;
    }

    ReadWriteStream* getSource() const
    {
        return source.get();
    }

    bool isFinished() override
    {
        return source ? source->isFinished() : true;
    }

private:
    std::unique_ptr<ReadWriteStream> source;
};