Closes #11

core/tree_node.cpp

@@ -0,0 +1,63 @@
+/**
+ * @file tree_node.cpp
+ * @brief
+ *
+ * Created: 2026-03-13
+ * Author: Deeaitch (Dim. Himro)
+ *
+ * Licensed under the MIT License.
+ * See LICENSE file in the project root for full license text.
+ */
+
+#include "tree_node.h"
+
+TreeNode::TreeNode()
+    : m_type(NodeType::Root), m_name("dbc"), m_children(), m_frame(), m_signal() {
+}
+
+TreeNode::TreeNode(const FrameInfo &frame)
+    : m_type(NodeType::Frame), m_name(frame.name), m_children(), m_frame(new FrameInfo(frame)), m_signal() {
+}
+
+TreeNode::TreeNode(const SignalInfo &signal)
+    : m_type(NodeType::Signal), m_name(signal.name), m_children(), m_frame(), m_signal(new SignalInfo(signal)) {
+}
+
+void TreeNode::AddChild(std::unique_ptr<TreeNode> child) {
+    if (child)
+        m_children.push_back(std::move(child));
+}
+
+std::size_t TreeNode::GetChildCount() const {
+    return m_children.size();
+}
+
+const TreeNode *TreeNode::GetChild(std::size_t index) const {
+    if (index >= m_children.size())
+        return nullptr;
+
+    return m_children[index].get();
+}
+
+TreeNode *TreeNode::GetChild(std::size_t index) {
+    if (index >= m_children.size())
+        return nullptr;
+
+    return m_children[index].get();
+}
+
+NodeType TreeNode::GetType() const {
+    return m_type;
+}
+
+const std::string &TreeNode::GetName() const {
+    return m_name;
+}
+
+const FrameInfo *TreeNode::GetFrame() const {
+    return m_frame.get();
+}
+
+const SignalInfo *TreeNode::GetSignal() const {
+    return m_signal.get();
+}