1 files changed, 1 insertions, 64 deletions
diff --git a/include/mbgl/style/conversion/tileset.hpp b/include/mbgl/style/conversion/tileset.hpp
index 377170aa6a..1fb4acf70d 100644
--- a/include/mbgl/style/conversion/tileset.hpp
+++ b/include/mbgl/style/conversion/tileset.hpp
@@ -10,70 +10,7 @@ namespace conversion {
 template <>
 struct Converter<Tileset> {
 public:
-    template <class V>
-    optional<Tileset> operator()(const V& value, Error& error) const {
-        Tileset result;
-
-        auto tiles = objectMember(value, "tiles");
-        if (!tiles) {
-            error = { "source must have tiles" };
-            return {};
-        }
-
-        if (!isArray(*tiles)) {
-            error = { "source tiles must be an array" };
-            return {};
-        }
-
-        for (std::size_t i = 0; i < arrayLength(*tiles); i++) {
-            optional<std::string> urlTemplate = toString(arrayMember(*tiles, i));
-            if (!urlTemplate) {
-                error = { "source tiles member must be a string" };
-                return {};
-            }
-            result.tiles.push_back(std::move(*urlTemplate));
-        }
-
-        auto schemeValue = objectMember(value, "scheme");
-        if (schemeValue) {
-            optional<std::string> scheme = toString(*schemeValue);
-            if (scheme && *scheme == "tms") {
-                result.scheme = Tileset::Scheme::TMS;
-            }
-        }
-
-        auto minzoomValue = objectMember(value, "minzoom");
-        if (minzoomValue) {
-            optional<float> minzoom = toNumber(*minzoomValue);
-            if (!minzoom || *minzoom < 0 || *minzoom > std::numeric_limits<uint8_t>::max()) {
-                error = { "invalid minzoom" };
-                return {};
-            }
-            result.zoomRange.min = *minzoom;
-        }
-
-        auto maxzoomValue = objectMember(value, "maxzoom");
-        if (maxzoomValue) {
-            optional<float> maxzoom = toNumber(*maxzoomValue);
-            if (!maxzoom || *maxzoom < 0 || *maxzoom > std::numeric_limits<uint8_t>::max()) {
-                error = { "invalid maxzoom" };
-                return {};
-            }
-            result.zoomRange.max = *maxzoom;
-        }
-
-        auto attributionValue = objectMember(value, "attribution");
-        if (attributionValue) {
-            optional<std::string> attribution = toString(*attributionValue);
-            if (!attribution) {
-                error = { "source attribution must be a string" };
-                return {};
-            }
-            result.attribution = std::move(*attribution);
-        }
-
-        return result;
-    }
+    optional<Tileset> operator()(const Convertible& value, Error& error) const;
 };
 
 } // namespace conversion