| 1 | #pragma once |
|---|---|
| 2 | |
| 3 | #include <mbgl/style/expression/collator_expression.hpp> |
| 4 | #include <mbgl/style/expression/expression.hpp> |
| 5 | #include <mbgl/style/expression/parsing_context.hpp> |
| 6 | #include <mbgl/style/conversion.hpp> |
| 7 | |
| 8 | #include <memory> |
| 9 | |
| 10 | namespace mbgl { |
| 11 | namespace style { |
| 12 | namespace expression { |
| 13 | |
| 14 | class Equals : public Expression { |
| 15 | public: |
| 16 | Equals(std::unique_ptr<Expression> lhs, std::unique_ptr<Expression> rhs, optional<std::unique_ptr<Expression>> collator, bool negate); |
| 17 | |
| 18 | static ParseResult parse(const mbgl::style::conversion::Convertible&, ParsingContext&); |
| 19 | |
| 20 | void eachChild(const std::function<void(const Expression&)>& visit) const override; |
| 21 | bool operator==(const Expression&) const override; |
| 22 | EvaluationResult evaluate(const EvaluationContext&) const override; |
| 23 | std::vector<optional<Value>> possibleOutputs() const override; |
| 24 | |
| 25 | std::string getOperator() const override { return negate ? "!=": "=="; } |
| 26 | private: |
| 27 | std::unique_ptr<Expression> lhs; |
| 28 | std::unique_ptr<Expression> rhs; |
| 29 | optional<std::unique_ptr<Expression>> collator; |
| 30 | bool negate; |
| 31 | }; |
| 32 | |
| 33 | } // namespace expression |
| 34 | } // namespace style |
| 35 | } // namespace mbgl |
| 36 |