Organic Maps sources as of 02.04.2025 (fad26bbf22ac3da75e01e62aa01e5c8e11861005)

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indexer/ftraits.hpp

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+#pragma once
+
+#include "indexer/feature_data.hpp"
+#include "indexer/ftypes_mapping.hpp"
+
+#include "coding/csv_reader.hpp"
+
+#include "platform/platform.hpp"
+
+#include "base/assert.hpp"
+#include "base/logging.hpp"
+
+#include <array>
+#include <cstdint>
+#include <initializer_list>
+#include <optional>
+#include <sstream>
+#include <string>
+#include <utility>
+
+namespace ftraits
+{
+template <typename Base, typename Value>
+class TraitsBase
+{
+public:
+  static std::optional<Value> GetValue(feature::TypesHolder const & types)
+  {
+    auto const & instance = Instance();
+    auto const it = Find(types);
+    if (!instance.m_matcher.IsValid(it))
+      return std::nullopt;
+
+    return it->second;
+  }
+
+  static std::optional<uint32_t> GetType(feature::TypesHolder const & types)
+  {
+    auto const & instance = Instance();
+    auto const it = Find(types);
+    if (!instance.m_matcher.IsValid(it))
+      return std::nullopt;
+
+    return it->first;
+  }
+
+private:
+  using ConstIterator = typename ftypes::HashMapMatcher<uint32_t, Value>::ConstIterator;
+
+  static ConstIterator Find(feature::TypesHolder const & types)
+  {
+    auto const & instance = Instance();
+
+    auto const excluded = instance.m_excluded.Find(types);
+    if (instance.m_excluded.IsValid(excluded))
+      return instance.m_matcher.End();
+
+    return instance.m_matcher.Find(types);
+  }
+
+protected:
+  static TraitsBase const & Instance()
+  {
+    static Base instance;
+    return instance;
+  }
+
+  ftypes::HashMapMatcher<uint32_t, Value> m_matcher;
+  ftypes::HashSetMatcher<uint32_t> m_excluded;
+};
+
+enum class WheelchairAvailability
+{
+  No,
+  Yes,
+  Limited,
+};
+
+inline std::string DebugPrint(WheelchairAvailability wheelchair)
+{
+  switch (wheelchair)
+  {
+  case WheelchairAvailability::No: return "No";
+  case WheelchairAvailability::Yes: return "Yes";
+  case WheelchairAvailability::Limited: return "Limited";
+  }
+  UNREACHABLE();
+}
+
+class Wheelchair : public TraitsBase<Wheelchair, WheelchairAvailability>
+{
+  friend TraitsBase;
+
+  using TypesInitializer = std::initializer_list<std::initializer_list<char const *>>;
+
+  Wheelchair()
+  {
+    m_matcher.Append<TypesInitializer>({{"wheelchair", "no"}}, WheelchairAvailability::No);
+    m_matcher.Append<TypesInitializer>({{"wheelchair", "yes"}}, WheelchairAvailability::Yes);
+    m_matcher.Append<TypesInitializer>({{"wheelchair", "limited"}}, WheelchairAvailability::Limited);
+  }
+};
+
+enum class DrinkingWaterAvailability
+{
+  No,
+  Yes,
+};
+
+class DrinkingWater : public TraitsBase<DrinkingWater, DrinkingWaterAvailability>
+{
+  friend TraitsBase;
+
+  using TypesInitializer = std::initializer_list<std::initializer_list<char const *>>;
+
+  DrinkingWater()
+  {
+    m_matcher.Append<TypesInitializer>({{"drinking_water", "no"}}, DrinkingWaterAvailability::No);
+    m_matcher.Append<TypesInitializer>({{"drinking_water", "yes"}}, DrinkingWaterAvailability::Yes);
+    m_matcher.Append<TypesInitializer>({{"amenity", "drinking_water"}}, DrinkingWaterAvailability::Yes);
+  }
+};
+
+}  // namespace ftraits