Merge commit '7621e2f8dec938cf48181c8b10afc9b01f444e68' into beta

Tests/LottieMetalTest/LottieSwift/Sources/Private/Model/Layers/LayerModelSerialization.cpp

@@ -0,0 +1,34 @@
+#include "LayerModelSerialization.hpp"
+
+#include "Lottie/Private/Model/Layers/PreCompLayerModel.hpp"
+#include "Lottie/Private/Model/Layers/SolidLayerModel.hpp"
+#include "Lottie/Private/Model/Layers/ImageLayerModel.hpp"
+#include "Lottie/Private/Model/Layers/ShapeLayerModel.hpp"
+#include "Lottie/Private/Model/Layers/TextLayerModel.hpp"
+
+namespace lottie {
+
+std::shared_ptr<LayerModel> parseLayerModel(json11::Json::object const &json) noexcept(false) {
+    LayerType layerType = parseLayerType(json, "ty");
+    
+    switch (layerType) {
+        case LayerType::Precomp:
+            return std::make_shared<PreCompLayerModel>(json);
+        case LayerType::Solid:
+            return std::make_shared<SolidLayerModel>(json);
+        case LayerType::Image:
+            return std::make_shared<ImageLayerModel>(json);
+        case LayerType::Null:
+            return std::make_shared<LayerModel>(json);
+        case LayerType::Shape:
+            try {
+                return std::make_shared<ShapeLayerModel>(json);
+            } catch(...) {
+                throw LottieParsingException();
+            }
+        case LayerType::Text:
+            return std::make_shared<TextLayerModel>(json);
+    }
+}
+
+}