1 files changed, 28 insertions, 3 deletions
diff --git a/platform/darwin/src/MGLVectorSource.mm b/platform/darwin/src/MGLVectorSource.mm
index d0c9b0126a..2ab9627ef5 100644
--- a/platform/darwin/src/MGLVectorSource.mm
+++ b/platform/darwin/src/MGLVectorSource.mm
@@ -1,6 +1,8 @@
 #import "MGLVectorSource.h"
 
 #import "MGLSource_Private.h"
+#import "MGLTileSet_Private.h"
+#import "NSURL+MGLAdditions.h"
 
 #include <mbgl/style/sources/vector_source.hpp>
 
@@ -8,16 +10,39 @@
 
 static NSString *MGLVectorSourceType   = @"vector";
 
-- (instancetype)initWithSourceIdentifier:(NSString *)sourceIdentifier URL:(NSURL *)url {
-    if (self = [super initWithSourceIdentifier:sourceIdentifier]) {
+- (instancetype)initWithSourceIdentifier:(NSString *)sourceIdentifier URL:(NSURL *)url
+{
+    if (self = [super initWithSourceIdentifier:sourceIdentifier])
+    {
         _URL = url;
     }
     return self;
 }
 
+- (instancetype)initWithSourceIdentifier:(NSString *)sourceIdentifier tileSet:(MGLTileSet *)tileSet
+{
+    if (self = [super initWithSourceIdentifier:sourceIdentifier])
+    {
+        _tileSet = tileSet;
+    }
+    return self;
+}
+
 - (std::unique_ptr<mbgl::style::Source>)mbglSource
 {
-    auto source = std::make_unique<mbgl::style::VectorSource>(self.sourceIdentifier.UTF8String, self.URL.absoluteString.UTF8String);
+    std::unique_ptr<mbgl::style::VectorSource> source;
+    
+    if (self.URL)
+    {
+        source = std::make_unique<mbgl::style::VectorSource>(self.sourceIdentifier.UTF8String,
+                                                             self.URL.mgl_URLByStandardizingScheme.absoluteString.UTF8String);
+    }
+    else
+    {
+        source = std::make_unique<mbgl::style::VectorSource>(self.sourceIdentifier.UTF8String,
+                                                             self.tileSet.mbglTileset);
+    }
+    
     return std::move(source);
 }