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MapLibreParticleLab/include/mbgl/style/conversion/property_value.hpp
2016-06-24 09:39:51 -07:00

37 lines
938 B
C++

#pragma once
#include <mbgl/style/property_value.hpp>
#include <mbgl/style/conversion.hpp>
#include <mbgl/style/conversion/constant.hpp>
#include <mbgl/style/conversion/function.hpp>
namespace mbgl {
namespace style {
namespace conversion {
template <class T>
struct Converter<PropertyValue<T>> {
template <class V>
Result<PropertyValue<T>> operator()(const V& value) const {
if (isUndefined(value)) {
return {};
} else if (isObject(value)) {
Result<Function<T>> function = convert<Function<T>>(value);
if (!function) {
return function.error();
}
return *function;
} else {
Result<T> constant = convert<T>(value);
if (!constant) {
return constant.error();
}
return *constant;
}
}
};
} // namespace conversion
} // namespace style
} // namespace mbgl