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#pragma once
#include <mbgl/util/variant.hpp>
#include <mbgl/util/feature.hpp>
#include <mbgl/util/geometry.hpp>
#include <mbgl/style/expression/expression.hpp>
#include <string>
#include <vector>
#include <tuple>
namespace mbgl {
namespace style {
class Filter {
public:
optional<std::shared_ptr<const expression::Expression>> expression;
Filter() : expression() {}
Filter(expression::ParseResult _expression) : expression(std::move(*_expression)) {
assert(!expression || *expression != nullptr);
}
bool operator()(const expression::EvaluationContext& context) const;
friend bool operator==(const Filter& lhs, const Filter& rhs) {
if (!lhs.expression || !rhs.expression) {
return lhs.expression == rhs.expression;
} else {
return *(lhs.expression) == *(rhs.expression);
}
}
friend bool operator!=(const Filter& lhs, const Filter& rhs) {
return !(lhs == rhs);
}
};
} // namespace style
} // namespace mbgl
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