/*

 * Copyright 2013-2022 Step Function I/O, LLC

 *

 * Licensed to Green Energy Corp (www.greenenergycorp.com) and Step Function I/O

 * LLC (https://stepfunc.io) under one or more contributor license agreements.

 * See the NOTICE file distributed with this work for additional information

 * regarding copyright ownership. Green Energy Corp and Step Function I/O LLC license

 * this file to you under the Apache License, Version 2.0 (the "License"); you

 * may not use this file except in compliance with the License. You may obtain

 * a copy of the License at:

 *

 * http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

#ifndef OPENDNP3_IVARIABLELENGTH_H

#define OPENDNP3_IVARIABLELENGTH_H

#include "opendnp3/app/GroupVariationID.h"

#include <ser4cpp/container/SequenceTypes.h>

namespace opendnp3

{

class IVariableLength

{

public:

    virtual ~IVariableLength() {}

    virtual GroupVariationID InstanceID() const = 0;

    // The size of the object in its current configuration

    virtual size_t Size() const = 0;

    // attempt to write the object to the destination buffer

    virtual bool Write(ser4cpp::wseq_t& dest) const = 0;

    // attempt to read the object from the input buffer

    virtual bool Read(const ser4cpp::rseq_t& input) = 0;

};

} // namespace opendnp3

#endif