1 files changed, 104 insertions, 0 deletions
diff --git a/src/core/model/DataObject.h b/src/core/model/DataObject.h
new file mode 100644
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--- /dev/null
+++ b/src/core/model/DataObject.h
@@ -0,0 +1,104 @@
+/**
+ * Copyright (C) 2021 Saturneric <[email protected]>
+ *
+ * This file is part of GpgFrontend.
+ *
+ * GpgFrontend 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.
+ *
+ * GpgFrontend 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 GpgFrontend. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The initial version of the source code is inherited from
+ * the gpg4usb project, which is under GPL-3.0-or-later.
+ *
+ * All the source code of GpgFrontend was modified and released by
+ * Saturneric <[email protected]> starting on May 12, 2021.
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ */
+
+#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
+\ No newline at end of file