diff options
Diffstat (limited to 'include/mbgl/style/expression/step.hpp')
-rw-r--r-- | include/mbgl/style/expression/step.hpp | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/include/mbgl/style/expression/step.hpp b/include/mbgl/style/expression/step.hpp new file mode 100644 index 0000000000..e3c49bc609 --- /dev/null +++ b/include/mbgl/style/expression/step.hpp @@ -0,0 +1,45 @@ + +#pragma once + +#include <mbgl/style/expression/expression.hpp> +#include <mbgl/style/expression/parsing_context.hpp> +#include <mbgl/style/conversion.hpp> + +#include <mbgl/util/range.hpp> + +#include <memory> +#include <map> + + +namespace mbgl { +namespace style { +namespace expression { + +class Step : public Expression { +public: + Step(const type::Type& type_, + std::unique_ptr<Expression> input_, + std::map<double, std::unique_ptr<Expression>> stops_ + ) : Expression(type_), + input(std::move(input_)), + stops(std::move(stops_)) + {} + + EvaluationResult evaluate(const EvaluationContext& params) const override; + void eachChild(const std::function<void(const Expression&)>& visit) const override; + + const std::unique_ptr<Expression>& getInput() const { return input; } + Range<float> getCoveringStops(const double lower, const double upper) const; + + bool operator==(const Expression& e) const override; + + static ParseResult parse(const mbgl::style::conversion::Convertible& value, ParsingContext& ctx); + +private: + const std::unique_ptr<Expression> input; + const std::map<double, std::unique_ptr<Expression>> stops; +}; + +} // namespace expression +} // namespace style +} // namespace mbgl |