| 1 | #pragma once |
|---|---|
| 2 | |
| 3 | #include <mbgl/style/expression/expression.hpp> |
| 4 | #include <mbgl/style/expression/parsing_context.hpp> |
| 5 | #include <mbgl/style/conversion.hpp> |
| 6 | |
| 7 | #include <mbgl/util/range.hpp> |
| 8 | |
| 9 | #include <memory> |
| 10 | #include <map> |
| 11 | |
| 12 | namespace mbgl { |
| 13 | namespace style { |
| 14 | namespace expression { |
| 15 | |
| 16 | class Step : public Expression { |
| 17 | public: |
| 18 | Step(const type::Type& type_, |
| 19 | std::unique_ptr<Expression> input_, |
| 20 | std::map<double, std::unique_ptr<Expression>> stops_); |
| 21 | |
| 22 | EvaluationResult evaluate(const EvaluationContext& params) const override; |
| 23 | void eachChild(const std::function<void(const Expression&)>& visit) const override; |
| 24 | void eachStop(const std::function<void(double, const Expression&)>& visit) const; |
| 25 | |
| 26 | const std::unique_ptr<Expression>& getInput() const { return input; } |
| 27 | Range<float> getCoveringStops(const double lower, const double upper) const; |
| 28 | |
| 29 | bool operator==(const Expression& e) const override; |
| 30 | |
| 31 | std::vector<optional<Value>> possibleOutputs() const override; |
| 32 | |
| 33 | static ParseResult parse(const mbgl::style::conversion::Convertible& value, ParsingContext& ctx); |
| 34 | |
| 35 | mbgl::Value serialize() const override; |
| 36 | std::string getOperator() const override { return "step"; } |
| 37 | |
| 38 | private: |
| 39 | const std::unique_ptr<Expression> input; |
| 40 | const std::map<double, std::unique_ptr<Expression>> stops; |
| 41 | }; |
| 42 | |
| 43 | } // namespace expression |
| 44 | } // namespace style |
| 45 | } // namespace mbgl |
| 46 |