Clean project structure.

src/base/core/data_structures/Tree.h

@@ -0,0 +1,76 @@
+#pragma once
+
+#include <memory>
+
+template<typename T>
+class Node
+{
+public:
+    Node(T data)
+        : mData(data)
+    {}
+
+    void addChild(std::unique_ptr<Node> child)
+    {
+        if(!mLeftChild)
+        {
+            mLeftChild = std::move(child);
+        }
+        else
+        {
+            mRightChild = std::move(child);
+        }
+    }
+
+    bool isLeaf() const
+    {
+        return !mLeftChild && !mRightChild;
+    }
+
+    T getData() const
+    {
+        return mData;
+    }
+
+    Node* getLeftChild() const
+    {
+        return mLeftChild.get();
+    }
+
+    Node* getRightChild() const
+    {
+        return mRightChild.get();
+    }
+
+private:
+    T mData;
+    unsigned char mTag{0};
+    std::unique_ptr<Node> mLeftChild;
+    std::unique_ptr<Node> mRightChild;
+};
+
+template<typename T>
+using NodePtr = std::unique_ptr<Node<T> >;
+
+template<typename T>
+class Tree
+{
+public:
+    Tree()
+    {
+
+    }
+
+    void addRootNode(NodePtr<T> root)
+    {
+        mRootNode = std::move(root);
+    }
+
+    Node<T>* getRootNode() const
+    {
+        return mRootNode.get();
+    }
+
+private:
+    NodePtr<T> mRootNode;
+};