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-rw-r--r--include/mbgl/style/expression/literal.hpp38
1 files changed, 38 insertions, 0 deletions
diff --git a/include/mbgl/style/expression/literal.hpp b/include/mbgl/style/expression/literal.hpp
new file mode 100644
index 0000000000..a0819c7e73
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+++ b/include/mbgl/style/expression/literal.hpp
@@ -0,0 +1,38 @@
+#pragma once
+
+#include <mbgl/style/expression/expression.hpp>
+#include <mbgl/style/expression/parsing_context.hpp>
+#include <mbgl/style/conversion.hpp>
+
+#include <memory>
+
+namespace mbgl {
+namespace style {
+namespace expression {
+
+class Literal : public Expression {
+public:
+ Literal(Value value_) : Expression(typeOf(value_)), value(value_) {}
+ Literal(type::Array type_, std::vector<Value> value_) : Expression(type_), value(value_) {}
+ EvaluationResult evaluate(const EvaluationContext&) const override {
+ return value;
+ }
+
+ static ParseResult parse(const mbgl::style::conversion::Convertible&, ParsingContext&);
+
+ void eachChild(const std::function<void(const Expression&)>&) const override {}
+
+ bool operator==(const Expression& e) const override {
+ if (auto rhs = dynamic_cast<const Literal*>(&e)) {
+ return value == rhs->value;
+ }
+ return false;
+ }
+
+private:
+ Value value;
+};
+
+} // namespace expression
+} // namespace style
+} // namespace mbgl