MessageSizeCalculator.h

Go to the documentation of this file.

/*
 *  Copyright (C) 2020 Embedded AMS B.V. - All Rights Reserved
 *
 *  This file is part of Embedded Proto.
 *
 *  Embedded Proto is open source 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 of the license.
 *
 *  Embedded Proto  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 Embedded Proto. If not, see <https://www.gnu.org/licenses/>.
 *
 *  For commercial and closed source application please visit:
 *  <https://EmbeddedProto.com/license/>.
 *
 *  Embedded AMS B.V.
 *  Info:
 *    info at EmbeddedProto dot com
 *
 *  Postal address:
 *    Johan Huizingalaan 763a
 *    1066 VH, Amsterdam
 *    the Netherlands
 */
 
#ifndef _MESSAGE_SIZE_CALCULATOR_H_
#define _MESSAGE_SIZE_CALCULATOR_H_
 
#include "WriteBufferInterface.h"
 
#include <cstdint>
#include <limits> 
 
 
namespace EmbeddedProto 
{
 
  class MessageSizeCalculator : public WriteBufferInterface
  {
    public:
      MessageSizeCalculator() = default;
      ~MessageSizeCalculator() override = default;
      
      void clear() override 
      { 
        size_ = 0; 
      }
 
      uint32_t get_size() const override 
      { 
        return size_; 
      }
 
      uint32_t get_max_size() const override 
      { 
        return std::numeric_limits<uint32_t>::max(); 
      }
 
      uint32_t get_available_size() const override 
      { 
        return std::numeric_limits<uint32_t>::max(); 
      }
 
      bool push(const uint8_t byte) override
      {
        // Ignore the unused parameter
        (void)byte;
        ++size_;
        return true;
      }
 
      bool push(const uint8_t* bytes, const uint32_t length) override
      {
        // Ignore the unused parameter
        (void)bytes;
        size_ += length;
        return true;
      }
 
 
    private:
 
      uint32_t size_ = 0;
 
  }; // End of class MessageSizeCalculator
 
} // End of namespace EmbeddedProto
 
#endif