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Diffstat (limited to 'include/mbgl/style/expression/case.hpp')
-rw-r--r-- | include/mbgl/style/expression/case.hpp | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/include/mbgl/style/expression/case.hpp b/include/mbgl/style/expression/case.hpp new file mode 100644 index 0000000000..ece2fe0329 --- /dev/null +++ b/include/mbgl/style/expression/case.hpp @@ -0,0 +1,36 @@ +#pragma once + +#include <mbgl/style/expression/expression.hpp> +#include <mbgl/style/conversion.hpp> +#include <mbgl/style/expression/parsing_context.hpp> + +#include <memory> +#include <vector> + +namespace mbgl { +namespace style { +namespace expression { + +class Case : public Expression { +public: + using Branch = std::pair<std::unique_ptr<Expression>, std::unique_ptr<Expression>>; + + Case(type::Type type_, std::vector<Branch> branches_, std::unique_ptr<Expression> otherwise_) + : Expression(type_), branches(std::move(branches_)), otherwise(std::move(otherwise_)) { + } + + static ParseResult parse(const mbgl::style::conversion::Convertible& value, ParsingContext& ctx); + + EvaluationResult evaluate(const EvaluationContext& params) const override; + void eachChild(const std::function<void(const Expression&)>& visit) const override; + + bool operator==(const Expression& e) const override; + +private: + std::vector<Branch> branches; + std::unique_ptr<Expression> otherwise; +}; + +} // namespace expression +} // namespace style +} // namespace mbgl |