Ref #1 Fix motorola data format

typefactory.h

@@ -0,0 +1,118 @@
+// SPDX-License-Identifier: MIT
+// Copyright (c) 2026 Dim Himro
+
+#ifndef TYPEFACTORY_H
+#define TYPEFACTORY_H
+
+#include <memory>
+#include <type_traits>
+#include <unordered_map>
+#include <utility>   // std::move
+
+/**
+ * @brief Registry-based factory for creating objects by runtime identifier.
+ *
+ * Allows registering derived types and instantiating them using a ClassId key.
+ *
+ * Notes:
+ * - Not thread-safe. Register types during initialization phase only.
+ * - Re-registering the same id overwrites the previous entry ("last wins").
+ * - ClassId must be hashable (std::hash<ClassId> specialization must exist).
+ *
+ * @tparam ClassId -Unique class identifier type (e.g. std::string, int, enum).
+ * @tparam BaseClass -Base type for all created objects.
+ * @tparam Arg - Constructor arguments forwarded to registered derived types (by value).
+ *
+ * Usage example:
+ * @code
+ * #include <string>
+ *
+ * struct Base {
+ *   virtual ~Base() = default;
+ *   virtual int get() = 0;
+ * };
+ *
+ * struct Derived1 : Base {
+ *   explicit Derived1(int start) : m_start(start) {}
+ *   int get() override { return m_start + 1; }
+ *   int m_start = 0;
+ * };
+ *
+ * struct Derived2 : Base {
+ *   explicit Derived2(int start) : m_start(start) {}
+ *   int get() override { return m_start + 2; }
+ *   int m_start = 0;
+ * };
+ *
+ * TypeFactory<std::string, Base, int> factory;
+ * factory.registerType<Derived1>("one");
+ * factory.registerType<Derived2>("two");
+ *
+ * auto a = factory.create("one", 10);
+ * auto b = factory.creator("two")(10); // advanced API: get creator function
+ *
+ * (void)a->get();
+ * (void)b->get();
+ * @endcode
+ */
+template <class ClassId, class BaseClass, class... Args>
+class TypeFactory {
+public:
+  using BasePtr   = std::shared_ptr<BaseClass>;
+  using CreatorFn = BasePtr (*)(Args...);
+
+  TypeFactory() = default;
+
+  /**
+   * @brief Registers a Derived type under the given id.
+   *
+   * Requirements (checked at compile-time):
+   * - Derived must inherit from BaseClass
+   * - Derived must be constructible from Args...
+   *
+   * Re-registering the same id overwrites the previous entry ("last wins").
+   */
+  template <class Derived>
+  void registerType(const ClassId& id) {
+    static_assert(std::is_base_of_v<BaseClass, Derived>,
+                  "Derived must inherit from BaseClass");
+    static_assert(std::is_constructible_v<Derived, Args...>,
+                  "Derived must be constructible from Args...");
+
+    classes.insert_or_assign(id, &instantiate<Derived>);
+  }
+
+  /**
+   * @brief Returns creator function for the given id.
+   * @throws std::out_of_range when id is not registered.
+   */
+  [[nodiscard]] CreatorFn creator(const ClassId& id) const {
+    return classes.at(id);
+  }
+
+  /**
+   * @brief Creates an instance for the given id using provided arguments.
+   * @throws std::out_of_range when id is not registered.
+   */
+  [[nodiscard]] BasePtr create(const ClassId& id, Args... args) const {
+    return creator(id)(std::move(args)...);
+  }
+
+  /**
+   * @brief Checks whether an id is registered.
+   */
+  [[nodiscard]] bool contains(const ClassId& id) const {
+    return classes.find(id) != classes.end();
+  }
+
+protected:
+  // Protected by design: derived factories may extend/inspect the registry.
+  std::unordered_map<ClassId, CreatorFn> classes;
+
+private:
+  template <class Derived>
+  static BasePtr instantiate(Args... args) {
+    return std::make_shared<Derived>(std::move(args)...);
+  }
+};
+#endif // TYPEFACTORY_H