diff options
Diffstat (limited to 'platform/darwin/src/MGLFeature.mm')
| -rw-r--r-- | platform/darwin/src/MGLFeature.mm | 129 |
1 files changed, 84 insertions, 45 deletions
diff --git a/platform/darwin/src/MGLFeature.mm b/platform/darwin/src/MGLFeature.mm index 5483433710..c1e0c312a0 100644 --- a/platform/darwin/src/MGLFeature.mm +++ b/platform/darwin/src/MGLFeature.mm @@ -14,9 +14,10 @@ #import "NSExpression+MGLAdditions.h" #import <mbgl/util/geometry.hpp> +#import <mbgl/style/conversion/geojson.hpp> #import <mapbox/geometry/feature.hpp> -@interface MGLPointFeature () <MGLFeaturePrivate> +@interface MGLPointFeature () @end @implementation MGLPointFeature @@ -32,13 +33,13 @@ return NSDictionaryFeatureForGeometry([super geoJSONDictionary], self.attributes, self.identifier); } -- (mbgl::Feature)mbglFeature { - return mbglFeature([self featureObject], identifier, self.attributes); +- (mbgl::GeoJSON)geoJSONObject { + return mbglFeature({[self geometryObject]}, identifier, self.attributes); } @end -@interface MGLPolylineFeature () <MGLFeaturePrivate> +@interface MGLPolylineFeature () @end @implementation MGLPolylineFeature @@ -54,13 +55,13 @@ return NSDictionaryFeatureForGeometry([super geoJSONDictionary], self.attributes, self.identifier); } -- (mbgl::Feature)mbglFeature { - return mbglFeature([self featureObject], identifier, self.attributes); +- (mbgl::GeoJSON)geoJSONObject { + return mbglFeature({[self geometryObject]}, identifier, self.attributes); } @end -@interface MGLPolygonFeature () <MGLFeaturePrivate> +@interface MGLPolygonFeature () @end @implementation MGLPolygonFeature @@ -76,13 +77,13 @@ return NSDictionaryFeatureForGeometry([super geoJSONDictionary], self.attributes, self.identifier); } -- (mbgl::Feature)mbglFeature { - return mbglFeature([self featureObject], identifier, self.attributes); +- (mbgl::GeoJSON)geoJSONObject { + return mbglFeature({[self geometryObject]}, identifier, self.attributes); } @end -@interface MGLPointCollectionFeature () <MGLFeaturePrivate> +@interface MGLPointCollectionFeature () @end @implementation MGLPointCollectionFeature @@ -98,13 +99,13 @@ return NSDictionaryFeatureForGeometry([super geoJSONDictionary], self.attributes, self.identifier); } -- (mbgl::Feature)mbglFeature { - return mbglFeature([self featureObject], identifier, self.attributes); +- (mbgl::GeoJSON)geoJSONObject { + return mbglFeature({[self geometryObject]}, identifier, self.attributes); } @end -@interface MGLMultiPolylineFeature () <MGLFeaturePrivate> +@interface MGLMultiPolylineFeature () @end @implementation MGLMultiPolylineFeature @@ -120,13 +121,13 @@ return NSDictionaryFeatureForGeometry([super geoJSONDictionary], self.attributes, self.identifier); } -- (mbgl::Feature)mbglFeature { - return mbglFeature([self featureObject], identifier, self.attributes); +- (mbgl::GeoJSON)geoJSONObject { + return mbglFeature({[self geometryObject]}, identifier, self.attributes); } @end -@interface MGLMultiPolygonFeature () <MGLFeaturePrivate> +@interface MGLMultiPolygonFeature () @end @implementation MGLMultiPolygonFeature @@ -142,13 +143,13 @@ return NSDictionaryFeatureForGeometry([super geoJSONDictionary], self.attributes, self.identifier); } -- (mbgl::Feature)mbglFeature { - return mbglFeature([self featureObject], identifier, self.attributes); +- (mbgl::GeoJSON)geoJSONObject { + return mbglFeature({[self geometryObject]}, identifier, self.attributes); } @end -@interface MGLShapeCollectionFeature () <MGLFeaturePrivate> +@interface MGLShapeCollectionFeature () @end @implementation MGLShapeCollectionFeature @@ -170,10 +171,15 @@ return NSDictionaryFeatureForGeometry([super geoJSONDictionary], self.attributes, self.identifier); } -- (mbgl::Feature)mbglFeature { - [NSException raise:@"Method unavailable" format:@"%s is not available on %@.", __PRETTY_FUNCTION__, [self class]]; - mbgl::Polygon<double> geometry; - return mbgl::Feature{geometry}; +- (mbgl::GeoJSON)geoJSONObject { + mbgl::FeatureCollection featureCollection; + featureCollection.reserve(self.shapes.count); + for (MGLShape <MGLFeature> *feature in self.shapes) { + auto geoJSONObject = feature.geoJSONObject; + NSAssert(geoJSONObject.is<mbgl::Feature>(), @"Feature collection must only contain features."); + featureCollection.push_back(geoJSONObject.get<mbgl::Feature>()); + } + return featureCollection; } @end @@ -185,27 +191,27 @@ template <typename T> class GeometryEvaluator { public: - MGLShape <MGLFeaturePrivate> * operator()(const mbgl::Point<T> &geometry) const { + MGLShape <MGLFeature> * operator()(const mbgl::Point<T> &geometry) const { MGLPointFeature *feature = [[MGLPointFeature alloc] init]; feature.coordinate = toLocationCoordinate2D(geometry); return feature; } - MGLShape <MGLFeaturePrivate> * operator()(const mbgl::LineString<T> &geometry) const { + MGLShape <MGLFeature> * operator()(const mbgl::LineString<T> &geometry) const { std::vector<CLLocationCoordinate2D> coordinates = toLocationCoordinates2D(geometry); return [MGLPolylineFeature polylineWithCoordinates:&coordinates[0] count:coordinates.size()]; } - MGLShape <MGLFeaturePrivate> * operator()(const mbgl::Polygon<T> &geometry) const { + MGLShape <MGLFeature> * operator()(const mbgl::Polygon<T> &geometry) const { return toShape<MGLPolygonFeature>(geometry); } - MGLShape <MGLFeaturePrivate> * operator()(const mbgl::MultiPoint<T> &geometry) const { + MGLShape <MGLFeature> * operator()(const mbgl::MultiPoint<T> &geometry) const { std::vector<CLLocationCoordinate2D> coordinates = toLocationCoordinates2D(geometry); return [[MGLPointCollectionFeature alloc] initWithCoordinates:&coordinates[0] count:coordinates.size()]; } - MGLShape <MGLFeaturePrivate> * operator()(const mbgl::MultiLineString<T> &geometry) const { + MGLShape <MGLFeature> * operator()(const mbgl::MultiLineString<T> &geometry) const { NSMutableArray *polylines = [NSMutableArray arrayWithCapacity:geometry.size()]; for (auto &lineString : geometry) { std::vector<CLLocationCoordinate2D> coordinates = toLocationCoordinates2D(lineString); @@ -216,7 +222,7 @@ public: return [MGLMultiPolylineFeature multiPolylineWithPolylines:polylines]; } - MGLShape <MGLFeaturePrivate> * operator()(const mbgl::MultiPolygon<T> &geometry) const { + MGLShape <MGLFeature> * operator()(const mbgl::MultiPolygon<T> &geometry) const { NSMutableArray *polygons = [NSMutableArray arrayWithCapacity:geometry.size()]; for (auto &polygon : geometry) { [polygons addObject:toShape(polygon)]; @@ -225,11 +231,11 @@ public: return [MGLMultiPolygonFeature multiPolygonWithPolygons:polygons]; } - MGLShape <MGLFeaturePrivate> * operator()(const mapbox::geometry::geometry_collection<T> &collection) const { + MGLShape <MGLFeature> * operator()(const mapbox::geometry::geometry_collection<T> &collection) const { NSMutableArray *shapes = [NSMutableArray arrayWithCapacity:collection.size()]; for (auto &geometry : collection) { // This is very much like the transformation that happens in MGLFeaturesFromMBGLFeatures(), but these are raw geometries with no associated feature IDs or attributes. - MGLShape <MGLFeaturePrivate> *shape = mapbox::geometry::geometry<T>::visit(geometry, *this); + MGLShape <MGLFeature> *shape = mapbox::geometry::geometry<T>::visit(geometry, *this); [shapes addObject:shape]; } return [MGLShapeCollectionFeature shapeCollectionWithShapes:shapes]; @@ -266,27 +272,60 @@ private: } }; +template <typename T> +class GeoJSONEvaluator { +public: + MGLShape <MGLFeature> * operator()(const mbgl::Geometry<T> &geometry) const { + GeometryEvaluator<T> evaluator; + MGLShape <MGLFeature> *shape = mapbox::geometry::geometry<T>::visit(geometry, evaluator); + return shape; + } + + MGLShape <MGLFeature> * operator()(const mbgl::Feature &feature) const { + MGLShape <MGLFeature> *shape = (MGLShape <MGLFeature> *)MGLFeatureFromMBGLFeature(feature); + return shape; + } + + MGLShape <MGLFeature> * operator()(const mbgl::FeatureCollection &collection) const { + NSMutableArray *shapes = [NSMutableArray arrayWithCapacity:collection.size()]; + for (const auto &feature : collection) { + [shapes addObject:MGLFeatureFromMBGLFeature(feature)]; + } + return [MGLShapeCollectionFeature shapeCollectionWithShapes:shapes]; + } +}; + NS_ARRAY_OF(MGLShape <MGLFeature> *) *MGLFeaturesFromMBGLFeatures(const std::vector<mbgl::Feature> &features) { NSMutableArray *shapes = [NSMutableArray arrayWithCapacity:features.size()]; for (const auto &feature : features) { - NSMutableDictionary *attributes = [NSMutableDictionary dictionaryWithCapacity:feature.properties.size()]; - for (auto &pair : feature.properties) { - auto &value = pair.second; - ValueEvaluator evaluator; - attributes[@(pair.first.c_str())] = mbgl::Value::visit(value, evaluator); - } - - GeometryEvaluator<double> evaluator; - MGLShape <MGLFeaturePrivate> *shape = mapbox::geometry::geometry<double>::visit(feature.geometry, evaluator); - if (feature.id) { - shape.identifier = mbgl::FeatureIdentifier::visit(*feature.id, ValueEvaluator()); - } - shape.attributes = attributes; - [shapes addObject:shape]; + [shapes addObject:MGLFeatureFromMBGLFeature(feature)]; } return shapes; } +id <MGLFeature> MGLFeatureFromMBGLFeature(const mbgl::Feature &feature) { + NSMutableDictionary *attributes = [NSMutableDictionary dictionaryWithCapacity:feature.properties.size()]; + for (auto &pair : feature.properties) { + auto &value = pair.second; + ValueEvaluator evaluator; + attributes[@(pair.first.c_str())] = mbgl::Value::visit(value, evaluator); + } + GeometryEvaluator<double> evaluator; + MGLShape <MGLFeature> *shape = mapbox::geometry::geometry<double>::visit(feature.geometry, evaluator); + if (feature.id) { + shape.identifier = mbgl::FeatureIdentifier::visit(*feature.id, ValueEvaluator()); + } + shape.attributes = attributes; + + return shape; +} + +MGLShape* MGLShapeFromGeoJSON(const mapbox::geojson::geojson &geojson) { + GeoJSONEvaluator<double> evaluator; + MGLShape *shape = mapbox::geojson::geojson::visit(geojson, evaluator); + return shape; +} + mbgl::Feature mbglFeature(mbgl::Feature feature, id identifier, NSDictionary *attributes) { if (identifier) { |