705bdfb3de
Co-authored-by: Bart Louwers <bart@emeel.net> Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com> Co-authored-by: Bart Louwers <bart.louwers@gmail.com>
49 lines
1.5 KiB
C++
49 lines
1.5 KiB
C++
#pragma once
|
|
|
|
#include <mbgl/style/expression/expression.hpp>
|
|
#include <mbgl/style/expression/parsing_context.hpp>
|
|
#include <mbgl/style/conversion.hpp>
|
|
|
|
#include <memory>
|
|
#include <utility>
|
|
#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(Kind::Case, std::move(type_), collectDependencies(branches_) | depsOf(otherwise_)),
|
|
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 noexcept override;
|
|
|
|
std::vector<std::optional<Value>> possibleOutputs() const override;
|
|
|
|
std::string getOperator() const override { return "case"; }
|
|
|
|
protected:
|
|
using Expression::collectDependencies;
|
|
static Dependency collectDependencies(const std::vector<Branch>& branches) {
|
|
return collectDependencies(branches, [](const Branch& v) { return depsOf(v.first) | depsOf(v.second); });
|
|
}
|
|
|
|
private:
|
|
std::vector<Branch> branches;
|
|
std::unique_ptr<Expression> otherwise;
|
|
};
|
|
|
|
} // namespace expression
|
|
} // namespace style
|
|
} // namespace mbgl
|