Stream.hpp

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/****
 * Stream.hpp
 *
 * Copyright 2019 mikee47 <mike@sillyhouse.net>
 *
 * This file is part of the FlashString Library
 *
 * This library is free software: you can redistribute it and/or modify it under the terms of the
 * GNU General Public License as published by the Free Software Foundation, version 3 or later.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along with this library.
 * If not, see <https://www.gnu.org/licenses/>.
 *
 * @author: 23 Oct 2018 - mikee47 <mike@sillyhouse.net>
 *
 ****/
 
#pragma once
 
#include "String.hpp"
#include <Data/Stream/DataSourceStream.h>
 
namespace FSTR
{
class Stream : public IDataSourceStream
{
public:
    Stream(const ObjectBase& object, bool flashread = true) : object(object), flashread(flashread)
    {
    }
 
    StreamType getStreamType() const override
    {
        return eSST_Memory;
    }
 
    int available() override
    {
        return object.length() - readPos;
    }
 
    uint16_t readMemoryBlock(char* data, int bufSize) override;
 
    int seekFrom(int offset, SeekOrigin origin) override;
 
    bool isFinished() override
    {
        return readPos >= object.length();
    }
 
private:
    const ObjectBase& object;
    size_t readPos = 0;
    bool flashread;
};
 
} // namespace FSTR