1 files changed, 68 insertions, 1 deletions
diff --git a/platform/darwin/src/MGLShapeSource.mm b/platform/darwin/src/MGLShapeSource.mm
index 8fbb9a18ef..dcc3fd97f5 100644
--- a/platform/darwin/src/MGLShapeSource.mm
+++ b/platform/darwin/src/MGLShapeSource.mm
@@ -1,5 +1,4 @@
 #import "MGLShapeSource_Private.h"
-#import "MGLAbstractShapeSource_Private.h"
 
 #import "MGLStyle_Private.h"
 #import "MGLMapView_Private.h"
@@ -14,7 +13,75 @@
 #include <mbgl/style/sources/geojson_source.hpp>
 #include <mbgl/renderer/renderer.hpp>
 
+const MGLShapeSourceOption MGLShapeSourceOptionBuffer = @"MGLShapeSourceOptionBuffer";
+const MGLShapeSourceOption MGLShapeSourceOptionClusterRadius = @"MGLShapeSourceOptionClusterRadius";
+const MGLShapeSourceOption MGLShapeSourceOptionClustered = @"MGLShapeSourceOptionClustered";
+const MGLShapeSourceOption MGLShapeSourceOptionMaximumZoomLevel = @"MGLShapeSourceOptionMaximumZoomLevel";
+const MGLShapeSourceOption MGLShapeSourceOptionMaximumZoomLevelForClustering = @"MGLShapeSourceOptionMaximumZoomLevelForClustering";
+const MGLShapeSourceOption MGLShapeSourceOptionMinimumZoomLevel = @"MGLShapeSourceOptionMinimumZoomLevel";
+const MGLShapeSourceOption MGLShapeSourceOptionSimplificationTolerance = @"MGLShapeSourceOptionSimplificationTolerance";
+
+mbgl::style::GeoJSONOptions MGLGeoJSONOptionsFromDictionary(NS_DICTIONARY_OF(MGLShapeSourceOption, id) *options) {
+    auto geoJSONOptions = mbgl::style::GeoJSONOptions();
+
+    if (NSNumber *value = options[MGLShapeSourceOptionMinimumZoomLevel]) {
+        if (![value isKindOfClass:[NSNumber class]]) {
+            [NSException raise:NSInvalidArgumentException
+                        format:@"MGLShapeSourceOptionMaximumZoomLevel must be an NSNumber."];
+        }
+        geoJSONOptions.minzoom = value.integerValue;
+    }
+
+    if (NSNumber *value = options[MGLShapeSourceOptionMaximumZoomLevel]) {
+        if (![value isKindOfClass:[NSNumber class]]) {
+            [NSException raise:NSInvalidArgumentException
+                        format:@"MGLShapeSourceOptionMaximumZoomLevel must be an NSNumber."];
+        }
+        geoJSONOptions.maxzoom = value.integerValue;
+    }
+
+    if (NSNumber *value = options[MGLShapeSourceOptionBuffer]) {
+        if (![value isKindOfClass:[NSNumber class]]) {
+            [NSException raise:NSInvalidArgumentException
+                        format:@"MGLShapeSourceOptionBuffer must be an NSNumber."];
+        }
+        geoJSONOptions.buffer = value.integerValue;
+    }
+
+    if (NSNumber *value = options[MGLShapeSourceOptionSimplificationTolerance]) {
+        if (![value isKindOfClass:[NSNumber class]]) {
+            [NSException raise:NSInvalidArgumentException
+                        format:@"MGLShapeSourceOptionSimplificationTolerance must be an NSNumber."];
+        }
+        geoJSONOptions.tolerance = value.doubleValue;
+    }
 
+    if (NSNumber *value = options[MGLShapeSourceOptionClusterRadius]) {
+        if (![value isKindOfClass:[NSNumber class]]) {
+            [NSException raise:NSInvalidArgumentException
+                        format:@"MGLShapeSourceOptionClusterRadius must be an NSNumber."];
+        }
+        geoJSONOptions.clusterRadius = value.integerValue;
+    }
+
+    if (NSNumber *value = options[MGLShapeSourceOptionMaximumZoomLevelForClustering]) {
+        if (![value isKindOfClass:[NSNumber class]]) {
+            [NSException raise:NSInvalidArgumentException
+                        format:@"MGLShapeSourceOptionMaximumZoomLevelForClustering must be an NSNumber."];
+        }
+        geoJSONOptions.clusterMaxZoom = value.integerValue;
+    }
+
+    if (NSNumber *value = options[MGLShapeSourceOptionClustered]) {
+        if (![value isKindOfClass:[NSNumber class]]) {
+            [NSException raise:NSInvalidArgumentException
+                        format:@"MGLShapeSourceOptionClustered must be an NSNumber."];
+        }
+        geoJSONOptions.cluster = value.boolValue;
+    }
+
+    return geoJSONOptions;
+}
 
 @interface MGLShapeSource ()