Parse remote refs

lib/json_skooma/keywords/core/ref.rb

@@ -7,13 +7,30 @@ class Ref < Base
         self.key = "$ref"
 
         def resolve
+          add_remote_source if need_to_adding?
           @ref_schema = parent_schema.resolve_ref(json)
         end
 
         def evaluate(instance, result)
           @ref_schema.evaluate(instance, result)
           result.ref_schema = @ref_schema
         end
+
+        def add_remote_source
+          parent_schema.registry.add_source(
+            pathname.dirname.to_s + "/",
+            JSONSkooma::Sources::Remote.new(json)
+          )
+        end
+
+        def need_to_adding?
+          json.start_with?("http") &&
+            parent_schema.registry.instance_variable_get("@uri_sources").keys.none?{ |k| json.include?(k) }
+        end
+
+        def pathname
+          Pathname.new(json)
+        end
       end
     end
   end

lib/json_skooma/sources.rb

@@ -46,7 +46,7 @@ class Remote < Base
       def read(relative_path)
         path = suffix ? relative_path + suffix : relative_path
         url = URI.join(base, path)
-        URI.parse(url).open.read
+        url.open.read
       rescue OpenURI::HTTPError, SocketError
         raise Error, "Could not fetch #{url}"
       end