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Diffstat (limited to 'include/mbgl/style/expression/literal.hpp')
-rw-r--r-- | include/mbgl/style/expression/literal.hpp | 38 |
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 --- /dev/null +++ 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 |