1 files changed, 103 insertions, 0 deletions
diff --git a/include/mbgl/style/filter.hpp b/include/mbgl/style/filter.hpp
new file mode 100644
index 0000000000..6ad6969fbf
--- /dev/null
+++ b/include/mbgl/style/filter.hpp
@@ -0,0 +1,103 @@
+#pragma once
+
+#include <mbgl/util/variant.hpp>
+#include <mbgl/util/feature.hpp>
+
+#include <string>
+#include <vector>
+
+namespace mbgl {
+
+typedef variant<
+    class NullFilter,
+    class EqualsFilter,
+    class NotEqualsFilter,
+    class LessThanFilter,
+    class LessThanEqualsFilter,
+    class GreaterThanFilter,
+    class GreaterThanEqualsFilter,
+    class InFilter,
+    class NotInFilter,
+    class AnyFilter,
+    class AllFilter,
+    class NoneFilter,
+    class HasFilter,
+    class NotHasFilter
+    > Filter;
+
+class NullFilter {};
+
+class EqualsFilter {
+public:
+    std::string key;
+    Value value;
+};
+
+class NotEqualsFilter {
+public:
+    std::string key;
+    Value value;
+};
+
+class LessThanFilter {
+public:
+    std::string key;
+    Value value;
+};
+
+class LessThanEqualsFilter {
+public:
+    std::string key;
+    Value value;
+};
+
+class GreaterThanFilter {
+public:
+    std::string key;
+    Value value;
+};
+
+class GreaterThanEqualsFilter {
+public:
+    std::string key;
+    Value value;
+};
+
+class InFilter {
+public:
+    std::string key;
+    std::vector<Value> values;
+};
+
+class NotInFilter {
+public:
+    std::string key;
+    std::vector<Value> values;
+};
+
+class AnyFilter {
+public:
+    std::vector<Filter> filters;
+};
+
+class AllFilter {
+public:
+    std::vector<Filter> filters;
+};
+
+class NoneFilter {
+public:
+    std::vector<Filter> filters;
+};
+
+class HasFilter {
+public:
+    std::string key;
+};
+
+class NotHasFilter {
+public:
+    std::string key;
+};
+
+} // namespace mbgl