initializable_object.h

// SPDX-FileCopyrightText: © 2024-2025 Alexandros Theodotou <alex@zrythm.org>
// SPDX-License-Identifier: LicenseRef-ZrythmLicense
 
#ifndef UTILS_INITIALIZABLE_OBJECT_H
#define UTILS_INITIALIZABLE_OBJECT_H
 
#include <memory>
 
#include "utils/traits.h"
#include "utils/types.h"
 
namespace zrythm::utils
{
 
namespace InitializableObjectDetail
{
template <typename T>
concept Initializable = requires (T t) {
  { t.initialize () } -> std::convertible_to<bool>;
};
}

template <typename Derived> class InitializableObject
{
protected:
  InitializableObject () = default;
 
public:
  template <typename... Args>
  static std::shared_ptr<Derived> create_shared (Args &&... args)
  {
    auto obj =
      std::shared_ptr<Derived> (new Derived (std::forward<Args> (args)...));
    return obj->initialize () ? obj : nullptr;
  }

  template <typename... Args>
  static std::unique_ptr<Derived> create_unique (Args &&... args)
  {
    auto obj =
      std::unique_ptr<Derived> (new Derived (std::forward<Args> (args)...));
    return obj->initialize () ? std::move (obj) : nullptr;
  }
 
  Z_DISABLE_COPY_MOVE (InitializableObject);
};
 
template <typename T>
concept Initializable = DerivedFromCRTPBase<T, InitializableObject>;
 
} // namespace zrythm::utils
 
#endif // UTILS_OBJECT_FACTORY_H