DataObject.h

 
#pragma once
 
#include <any>
#include <typeindex>
#include <typeinfo>
 
#include "core/GpgFrontendCoreExport.h"
#include "core/utils/MemoryUtils.h"
 
namespace GpgFrontend {
 
class DataObject;
using DataObjectPtr = std::shared_ptr<DataObject>;  
 
class GPGFRONTEND_CORE_EXPORT DataObject {
 public:
  DataObject();
 
  DataObject(std::initializer_list<std::any>);
 
  ~DataObject();
 
  DataObject(DataObject&&) noexcept;
 
  auto operator[](size_t index) const -> std::any;
 
  void AppendObject(std::any);
 
  [[nodiscard]] auto GetParameter(size_t index) const -> std::any;
 
  [[nodiscard]] auto GetObjectSize() const -> size_t;
 
  void Swap(DataObject& other) noexcept;
 
  void Swap(DataObject&& other) noexcept;
 
  template <typename... Args>
  auto Check() -> bool {
    if (sizeof...(Args) != GetObjectSize()) return false;
 
    std::vector<std::type_info const*> type_list = {&typeid(Args)...};
    for (size_t i = 0; i < type_list.size(); ++i) {
      if (std::type_index(*type_list[i]) !=
          std::type_index((*this)[i].type())) {
        GF_CORE_LOG_ERROR(
            "value of index {} in data object is type: {}, "
            "not expected type: {}",
            i, ((*this)[i]).type().name(), type_list[i]->name());
        return false;
      }
    }
    return true;
  }
 
 private:
  class Impl;
  SecureUniquePtr<Impl> p_;
};
 
template <typename... Args>
auto TransferParams(Args&&... args) -> std::shared_ptr<DataObject> {
  return GpgFrontend::SecureCreateSharedObject<DataObject>(
      DataObject{std::forward<Args>(args)...});
}
 
template <typename T>
auto ExtractParams(const std::shared_ptr<DataObject>& d_o, int index) -> T {
  if (!d_o) {
    throw std::invalid_argument("nullptr provided for DataObjectPtr");
  }
  return std::any_cast<T>(d_o->GetParameter(index));
}
 
void swap(DataObject& a, DataObject& b) noexcept;
 
}  // namespace GpgFrontend