Closes #11

core/dbc_decode_builder.cpp

@@ -0,0 +1,56 @@
+/**
+ * @file dbc_decode_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_decode_builder.h"
+
+DecodeDatabase DbcDecodeBuilder::Build(const DbcDatabase &source) const {
+    DecodeDatabase result;
+
+    for (std::size_t frameIndex = 0U; frameIndex < source.frames.size(); ++frameIndex) {
+        const FrameInfo &sourceFrame = source.frames[frameIndex];
+        DecodeFrame targetFrame;
+
+        targetFrame.name = sourceFrame.name;
+        targetFrame.canId = sourceFrame.canId;
+        targetFrame.isExtended = sourceFrame.isExtended;
+        targetFrame.dlc = sourceFrame.dlc;
+        targetFrame.pgn = sourceFrame.pgn;
+        targetFrame.hasPgn = sourceFrame.hasPgn;
+        targetFrame.transmitter = sourceFrame.transmitter;
+        targetFrame.comment = sourceFrame.comment;
+
+        for (std::size_t signalIndex = 0U; signalIndex < sourceFrame.signals.size(); ++signalIndex) {
+            const SignalInfo &sourceSignal = sourceFrame.signals[signalIndex];
+            DecodeSignal targetSignal;
+
+            targetSignal.name = sourceSignal.name;
+            targetSignal.startBit = sourceSignal.startBit;
+            targetSignal.length = sourceSignal.length;
+            targetSignal.byteOrder = sourceSignal.isLittleEndian ? ByteOrder::Intel : ByteOrder::Motorola;
+            targetSignal.valueType = sourceSignal.isSigned ? ValueType::Signed : ValueType::Unsigned;
+            targetSignal.factor = sourceSignal.factor;
+            targetSignal.offset = sourceSignal.offset;
+            targetSignal.minimum = sourceSignal.minimum;
+            targetSignal.maximum = sourceSignal.maximum;
+            targetSignal.unit = sourceSignal.unit;
+            targetSignal.receivers = sourceSignal.receivers;
+            targetSignal.comment = sourceSignal.comment;
+
+            targetFrame.signals.push_back(targetSignal);
+        }
+
+        result.frames.push_back(targetFrame);
+        result.frameIndexByKey[FrameKey(targetFrame.canId, targetFrame.isExtended)] =
+                result.frames.size() - 1U;
+    }
+
+    return result;
+}