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#pragma once
#include <mbgl/util/optional.hpp>
#include <mbgl/util/string.hpp>
#include <mapbox/feature.hpp>
namespace mbgl {
using Value = mapbox::feature::value;
using NullValue = mapbox::feature::null_value_t;
using PropertyMap = mapbox::feature::property_map;
using FeatureIdentifier = mapbox::feature::identifier;
using Feature = mapbox::feature::feature<double>;
using FeatureState = PropertyMap;
using FeatureStates = std::unordered_map<std::string, FeatureState>; // <featureID, FeatureState>
using LayerFeatureStates = std::unordered_map<std::string, FeatureStates>; // <sourceLayer, FeatureStates>
template <class T>
optional<T> numericValue(const Value& value) {
return value.match(
[] (uint64_t t) {
return optional<T>(t);
},
[] (int64_t t) {
return optional<T>(t);
},
[] (double t) {
return optional<T>(t);
},
[] (auto) {
return optional<T>();
});
}
inline optional<std::string> featureIDtoString(const FeatureIdentifier& id) {
if (id.is<NullValue>()) {
return nullopt;
}
return id.match(
[] (const std::string& value_) {
return value_;
},
[] (uint64_t value_) {
return util::toString(value_);
},
[] (int64_t value_) {
return util::toString(value_);
},
[] (double value_) {
return util::toString(value_);
},
[] (const auto&) -> optional<std::string> {
return nullopt;
});
}
} // namespace mbgl
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