32ed70c95d
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53 lines
1.9 KiB
C++
53 lines
1.9 KiB
C++
#pragma once
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#include <mbgl/util/optional.hpp>
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#include <mbgl/util/string.hpp>
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#include <mapbox/compatibility/value.hpp>
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namespace mbgl {
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using Value = mapbox::base::Value;
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using NullValue = mapbox::base::NullValue;
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using PropertyMap = mapbox::base::ValueObject;
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using FeatureIdentifier = mapbox::feature::identifier;
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using GeoJSONFeature = mapbox::feature::feature<double>;
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using FeatureState = mapbox::base::ValueObject;
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using FeatureStates = std::unordered_map<std::string, FeatureState>; // <featureID, FeatureState>
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using LayerFeatureStates = std::unordered_map<std::string, FeatureStates>; // <sourceLayer, FeatureStates>
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class Feature : public GeoJSONFeature {
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public:
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std::string source;
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std::string sourceLayer;
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PropertyMap state;
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using GeometryType = mapbox::geometry::geometry<double>;
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Feature() = default;
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Feature(const GeoJSONFeature& f) : GeoJSONFeature(f) {}
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Feature(const GeometryType& geom_) : GeoJSONFeature(geom_) {}
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Feature(GeometryType&& geom_) : GeoJSONFeature(std::move(geom_)) {}
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};
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template <class T>
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optional<T> numericValue(const Value& value) {
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return value.match([](uint64_t t) { return optional<T>(static_cast<T>(t)); },
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[](int64_t t) { return optional<T>(static_cast<T>(t)); },
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[](double t) { return optional<T>(static_cast<T>(t)); },
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[](const auto&) { return optional<T>(); });
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}
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inline optional<std::string> featureIDtoString(const FeatureIdentifier& id) {
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if (id.is<NullValue>()) {
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return nullopt;
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}
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return id.match(
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[](const std::string& value_) { return value_; }, [](uint64_t value_) { return util::toString(value_); },
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[](int64_t value_) { return util::toString(value_); }, [](double value_) { return util::toString(value_); },
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[](const auto&) -> optional<std::string> { return nullopt; });
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}
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} // namespace mbgl
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