Buffer.h

/*
 * Copyright (c) 2018, Automatak LLC
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
 * following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following
 * disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following
 * disclaimer in the documentation and/or other materials provided with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote
 * products derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
#ifndef SER4CPP_BUFFER_H
#define SER4CPP_BUFFER_H

#include "ser4cpp/container/SequenceTypes.h"
#include "ser4cpp/util/Uncopyable.h"

#include <memory>

namespace ser4cpp
{

class Buffer : public HasLength<uint32_t>, private Uncopyable
{
public:
    Buffer() : HasLength(0)
    {}

    ~Buffer() = default;

    explicit Buffer(uint32_t length) :
        HasLength(length),
        bytes(std::make_unique<uint8_t[]>(length))
    {}

    Buffer(Buffer&&) noexcept = default;
    Buffer& operator=(Buffer&&) noexcept = default;

    // initialize with the exact length and contents
    explicit Buffer(const rseq_t& input) : Buffer(input.length())
    {
        this->as_wslice().copy_from(input);
    }

    inline rseq_t as_rslice() const
    {
        return rseq_t(this->bytes.get(), this->length());
    }

    inline wseq_t as_wslice()
    {
        return wseq_t(this->bytes.get(), this->length());
    }

private:
    std::unique_ptr<uint8_t[]> bytes;
};

}

#endif // SER4CPP_BUFFER_H