Organic Maps sources as of 02.04.2025 (fad26bbf22ac3da75e01e62aa01e5c8e11861005)

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indexer/types_mapping.cpp

@@ -0,0 +1,66 @@
+#include "indexer/types_mapping.hpp"
+#include "indexer/classificator.hpp"
+
+#include "base/stl_helpers.hpp"
+#include "base/string_utils.hpp"
+
+using namespace std;
+
+void IndexAndTypeMapping::Clear()
+{
+  m_types.clear();
+  m_map.clear();
+}
+
+void IndexAndTypeMapping::Load(istream & s)
+{
+  Classificator const & c = classif();
+
+  string line;
+  vector<string_view> path;
+
+  uint32_t ind = 0;
+  while (s.good())
+  {
+    line.clear();
+    s >> line;
+
+    if (!line.empty())
+    {
+      std::string_view v = line;
+
+      // Types can be deprecated with replacement, for deprecated type we have replacing type
+      // in types.txt. We should use only main type for type index to ensure stable indices.
+      // Main type description starts with '*' in types.txt.
+      auto const isMainTypeDescription = (v[0] == '*');
+      if (isMainTypeDescription)
+      {
+        v = v.substr(1);
+        CHECK(!v.empty(), (ind));
+      }
+
+      Add(ind++, c.GetTypeByPath(strings::Tokenize(v, "|")), isMainTypeDescription);
+    }
+  }
+}
+
+void IndexAndTypeMapping::Add(uint32_t ind, uint32_t type, bool isMainTypeDescription)
+{
+  ASSERT_EQUAL ( ind, m_types.size(), () );
+
+  m_types.push_back(type);
+  if (isMainTypeDescription)
+  {
+    auto const res = m_map.insert(make_pair(type, ind));
+    CHECK(res.second, ("Type can have only one main description.", ind, m_map[ind]));
+  }
+}
+
+uint32_t IndexAndTypeMapping::GetIndex(uint32_t t) const
+{
+  Map::const_iterator i = m_map.find(t);
+  /// @todo Should review each call of Classificator::GetIndexForType (see also IsTypeValid),
+  /// because this situation is possible for deleted dummy types in old maps data.
+  CHECK(i != m_map.end(), (t, classif().GetFullObjectName(t)));
+  return i->second;
+}