1 files changed, 40 insertions, 0 deletions
diff --git a/src/mbgl/tile/geojson_tile.cpp b/src/mbgl/tile/geojson_tile.cpp
index 35fa883557..4bea00bb45 100644
--- a/src/mbgl/tile/geojson_tile.cpp
+++ b/src/mbgl/tile/geojson_tile.cpp
@@ -1,10 +1,50 @@
 #include <mbgl/tile/geojson_tile.hpp>
+#include <mbgl/tile/geometry_tile.hpp>
 #include <mbgl/style/update_parameters.hpp>
 
 #include <mapbox/geojsonvt.hpp>
 
 namespace mbgl {
 
+// Implements a simple in-memory Tile type that holds GeoJSON values. A GeoJSON tile can only have
+// one layer, and it is always returned regardless of which layer is requested.
+
+class GeoJSONTileFeature : public GeometryTileFeature {
+public:
+    GeoJSONTileFeature(FeatureType, GeometryCollection&&, Feature::property_map&&);
+    FeatureType getType() const override;
+    optional<Value> getValue(const std::string&) const override;
+    Feature::property_map getProperties() const override { return properties; }
+    GeometryCollection getGeometries() const override;
+
+private:
+    const FeatureType type;
+    const GeometryCollection geometries;
+    const Feature::property_map properties;
+};
+
+class GeoJSONTileLayer : public GeometryTileLayer {
+public:
+    using Features = std::vector<std::shared_ptr<const GeoJSONTileFeature>>;
+
+    GeoJSONTileLayer(Features&&);
+    std::size_t featureCount() const override;
+    util::ptr<const GeometryTileFeature> getFeature(std::size_t) const override;
+    std::string getName() const override { return ""; };
+
+private:
+    const Features features;
+};
+
+class GeoJSONTile : public GeometryTile {
+public:
+    GeoJSONTile(std::shared_ptr<GeoJSONTileLayer>);
+    util::ptr<GeometryTileLayer> getLayer(const std::string&) const override;
+
+private:
+    const std::shared_ptr<GeoJSONTileLayer> layer;
+};
+
 // Converts the geojsonvt::Tile to a a GeoJSONTile. They have a differing internal structure.
 std::unique_ptr<GeoJSONTile> convertTile(const mapbox::geojsonvt::Tile& tile) {
     std::shared_ptr<GeoJSONTileLayer> layer;