Closes #11

core/dbc_tree_builder.cpp

@@ -0,0 +1,31 @@
+/**
+ * @file dbc_tree_builder.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 "dbc_tree_builder.h"
+
+std::unique_ptr<TreeNode> DbcTreeBuilder::Build(const DbcDatabase &database) const {
+    std::unique_ptr<TreeNode> root(new TreeNode());
+
+    for (std::size_t frameIndex = 0U; frameIndex < database.frames.size(); ++frameIndex) {
+        const FrameInfo &frame = database.frames[frameIndex];
+        std::unique_ptr<TreeNode> frameNode(new TreeNode(frame));
+
+        for (std::size_t signalIndex = 0U; signalIndex < frame.signals.size(); ++signalIndex) {
+            const SignalInfo &signal = frame.signals[signalIndex];
+            std::unique_ptr<TreeNode> signalNode(new TreeNode(signal));
+            frameNode->AddChild(std::move(signalNode));
+        }
+
+        root->AddChild(std::move(frameNode));
+    }
+
+    return root;
+}