51 lines
1.4 KiB
C++
51 lines
1.4 KiB
C++
#pragma once
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#include <mbgl/style/expression/expression.hpp>
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#include <mbgl/style/expression/parsing_context.hpp>
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#include <mbgl/style/conversion.hpp>
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#include <memory>
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namespace mbgl {
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namespace style {
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namespace expression {
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class Literal : public Expression {
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public:
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Literal(const Value& value_)
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: Expression(Kind::Literal, typeOf(value_)),
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value(value_) {}
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Literal(const type::Array& type_, std::vector<Value> value_)
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: Expression(Kind::Literal, type_),
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value(std::move(value_)) {}
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EvaluationResult evaluate(const EvaluationContext&) const override { return value; }
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static ParseResult parse(const mbgl::style::conversion::Convertible&, ParsingContext&);
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void eachChild(const std::function<void(const Expression&)>&) const override {}
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bool operator==(const Expression& e) const override {
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if (e.getKind() == Kind::Literal) {
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auto rhs = static_cast<const Literal*>(&e);
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return value == rhs->value;
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}
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return false;
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}
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std::vector<std::optional<Value>> possibleOutputs() const override { return {{value}}; }
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Value getValue() const { return value; }
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mbgl::Value serialize() const override;
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std::string getOperator() const override { return "literal"; }
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private:
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Value value;
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};
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} // namespace expression
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} // namespace style
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} // namespace mbgl
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