Organic Maps sources as of 02.04.2025 (fad26bbf22ac3da75e01e62aa01e5c8e11861005)

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search/categories_cache.cpp

@@ -0,0 +1,95 @@
+#include "search/categories_cache.hpp"
+
+#include "search/mwm_context.hpp"
+#include "search/retrieval.hpp"
+
+#include "indexer/classificator.hpp"
+#include "indexer/ftypes_matcher.hpp"
+#include "indexer/search_string_utils.hpp"
+
+
+namespace search
+{
+using namespace std;
+
+// CategoriesCache ---------------------------------------------------------------------------------
+CBV CategoriesCache::Get(MwmContext const & context)
+{
+  auto const id = context.m_handle.GetId();
+  auto const it = m_cache.find(id);
+  if (it != m_cache.cend())
+    return it->second;
+
+  auto cbv = Load(context);
+  m_cache[id] = cbv;
+  return cbv;
+}
+
+CBV CategoriesCache::Load(MwmContext const & context) const
+{
+  auto const & c = classif();
+
+  // Any DFA will do, since we only use requests's m_categories,
+  // but the interface of Retrieval forces us to make a choice.
+  SearchTrieRequest<strings::UniStringDFA> request;
+
+  // m_categories usually has truncated types; add them together with their subtrees.
+  m_categories.ForEach([&request, &c](uint32_t const type)
+  {
+    c.ForEachInSubtree([&](uint32_t descendantType)
+    {
+      request.m_categories.emplace_back(FeatureTypeToString(c.GetIndexForType(descendantType)));
+    }, type);
+  });
+
+  Retrieval retrieval(context, m_cancellable);
+  return retrieval.RetrieveAddressFeatures(request).m_features;
+}
+
+// StreetsCache ------------------------------------------------------------------------------------
+StreetsCache::StreetsCache(base::Cancellable const & cancellable)
+  : CategoriesCache(ftypes::IsStreetOrSquareChecker::Instance(), cancellable)
+{
+}
+
+// SuburbsCache ------------------------------------------------------------------------------------
+SuburbsCache::SuburbsCache(base::Cancellable const & cancellable)
+  : CategoriesCache(ftypes::IsSuburbChecker::Instance(), cancellable)
+{
+}
+// VillagesCache -----------------------------------------------------------------------------------
+VillagesCache::VillagesCache(base::Cancellable const & cancellable)
+  : CategoriesCache(ftypes::IsVillageChecker::Instance(), cancellable)
+{
+}
+
+// CountriesCache ----------------------------------------------------------------------------------
+CountriesCache::CountriesCache(base::Cancellable const & cancellable)
+  : CategoriesCache(ftypes::IsCountryChecker::Instance(), cancellable)
+{
+}
+
+// StatesCache -------------------------------------------------------------------------------------
+StatesCache::StatesCache(base::Cancellable const & cancellable)
+  : CategoriesCache(ftypes::IsStateChecker::Instance(), cancellable)
+{
+}
+
+// CitiesTownsOrVillagesCache ----------------------------------------------------------------------
+CitiesTownsOrVillagesCache::CitiesTownsOrVillagesCache(base::Cancellable const & cancellable)
+  : CategoriesCache(ftypes::IsCityTownOrVillageChecker::Instance(), cancellable)
+{
+}
+
+// HotelsCache -------------------------------------------------------------------------------------
+HotelsCache::HotelsCache(base::Cancellable const & cancellable)
+  : CategoriesCache(ftypes::IsHotelChecker::Instance(), cancellable)
+{
+}
+
+// FoodCache ---------------------------------------------------------------------------------------
+FoodCache::FoodCache(base::Cancellable const & cancellable)
+  : CategoriesCache(ftypes::IsEatChecker::Instance(), cancellable)
+{
+}
+}  // namespace search