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#pragma once
#include <mbgl/style/property_value.hpp>
#include <mbgl/style/property_parsing.hpp>
#include <mbgl/style/property_evaluator.hpp>
#include <mbgl/util/rapidjson.hpp>
#include <utility>
namespace mbgl {
namespace style {
template <typename T>
class LayoutProperty {
public:
explicit LayoutProperty(T v)
: value(std::move(v)),
defaultValue(value) {}
const PropertyValue<T>& get() const {
return currentValue;
}
void set(const PropertyValue<T>& value_) {
currentValue = value_;
}
void parse(const char * name, const JSValue& layout) {
if (layout.HasMember(name)) {
currentValue = parseProperty<T>(name, layout[name]);
}
}
void calculate(const CalculationParameters& parameters) {
if (currentValue) {
PropertyEvaluator<T> evaluator(parameters, defaultValue);
value = PropertyValue<T>::visit(currentValue, evaluator);
}
}
// TODO: remove / privatize
operator T() const { return value; }
T value;
private:
T defaultValue;
PropertyValue<T> currentValue;
};
} // namespace style
} // namespace mbgl
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