serializableobject.h

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/*
 * LibrePCB - Professional EDA for everyone!
 * Copyright (C) 2013 LibrePCB Developers, see AUTHORS.md for contributors.
 * https://librepcb.org/
 *
 * This program 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, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 program.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef LIBREPCB_SERIALIZABLEOBJECT_H
#define LIBREPCB_SERIALIZABLEOBJECT_H

/*******************************************************************************
 *  Includes
 ******************************************************************************/
#include "sexpression.h"

#include <QtCore>

/*******************************************************************************
 *  Namespace / Forward Declarations
 ******************************************************************************/
namespace librepcb {

/*******************************************************************************
 *  Class SerializableObject
 ******************************************************************************/

class SerializableObject {
public:
  SerializableObject() noexcept {}
  virtual ~SerializableObject() noexcept {}

  SExpression serializeToDomElement(const QString& name) const {
    SExpression root = SExpression::createList(name);
    serialize(root);
    return root;
  }

  virtual void serialize(SExpression& root) const = 0;

  template <typename T>
  static void serializeObjectContainer(SExpression& root, const T& container,
                                       const QString& itemName) {
    for (const auto& object : container) {
      root.appendChild(object.serializeToDomElement(itemName),
                       true);  // can throw
    }
  }

  template <typename T>
  static void serializePointerContainer(SExpression& root, const T& container,
                                        const QString& itemName) {
    for (const auto& pointer : container) {
      root.appendChild(pointer->serializeToDomElement(itemName),
                       true);  // can throw
    }
  }

  template <typename T>
  static void serializePointerContainerUuidSorted(SExpression& root,
                                                  const T& container,
                                                  const QString& itemName) {
    T copy = container;
    std::sort(
        copy.begin(), copy.end(),
        [](const typename T::value_type& a, const typename T::value_type& b) {
          return a->getUuid() < b->getUuid();
        });
    serializePointerContainer(root, copy, itemName);
  }
};

// Make sure that the SerializableObject class does not contain any data (except
// the vptr). Otherwise it could introduce issues when using multiple
// inheritance.
static_assert(sizeof(SerializableObject) == sizeof(void*),
              "SerializableObject must not contain any data!");

/*******************************************************************************
 *  End of File
 ******************************************************************************/

}  // namespace librepcb

#endif  // LIBREPCB_SERIALIZABLEOBJECT_H