1 files changed, 36 insertions, 0 deletions
diff --git a/include/mbgl/style/expression/case.hpp b/include/mbgl/style/expression/case.hpp
new file mode 100644
index 0000000000..ece2fe0329
--- /dev/null
+++ b/include/mbgl/style/expression/case.hpp
@@ -0,0 +1,36 @@
+#pragma once
+
+#include <mbgl/style/expression/expression.hpp>
+#include <mbgl/style/conversion.hpp>
+#include <mbgl/style/expression/parsing_context.hpp>
+
+#include <memory>
+#include <vector>
+
+namespace mbgl {
+namespace style {
+namespace expression {
+
+class Case : public Expression {
+public:
+    using Branch = std::pair<std::unique_ptr<Expression>, std::unique_ptr<Expression>>;
+
+    Case(type::Type type_, std::vector<Branch> branches_, std::unique_ptr<Expression> otherwise_)
+        : Expression(type_), branches(std::move(branches_)), otherwise(std::move(otherwise_)) {
+    }
+
+    static ParseResult parse(const mbgl::style::conversion::Convertible& value, ParsingContext& ctx);
+
+    EvaluationResult evaluate(const EvaluationContext& params) const override;
+    void eachChild(const std::function<void(const Expression&)>& visit) const override;
+    
+    bool operator==(const Expression& e) const override;
+
+private:
+    std::vector<Branch> branches;
+    std::unique_ptr<Expression> otherwise;
+};
+
+} // namespace expression
+} // namespace style
+} // namespace mbgl