Organic Maps sources as of 02.04.2025 (fad26bbf22ac3da75e01e62aa01e5c8e11861005)

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generator/osm_element_helpers.cpp

@@ -0,0 +1,78 @@
+#include "generator/osm_element_helpers.hpp"
+
+#include "base/logging.hpp"
+#include "base/string_utils.hpp"
+
+namespace generator
+{
+namespace osm_element
+{
+uint64_t GetPopulation(std::string const & str)
+{
+  std::string number;
+  for (auto const c : str)
+  {
+    if (isdigit(c))
+      number += c;
+    else if (c == '.' || c == ',' || c == ' ')
+      continue;
+    else
+      break;
+  }
+
+  if (number.empty())
+    return 0;
+
+  uint64_t result = 0;
+  if (!strings::to_uint64(number, result))
+    LOG(LWARNING, ("Failed to get population from", number, str));
+
+  return result;
+}
+
+uint64_t GetPopulation(OsmElement const & elem)
+{
+  return GetPopulation(elem.GetTag("population"));
+}
+
+std::vector<uint64_t> GetPlaceNodeFromMembers(OsmElement const & elem)
+{
+  std::vector<uint64_t> res;
+  int adminIdx = -1;
+  for (auto const & member : elem.m_members)
+  {
+    if (member.m_type == OsmElement::EntityType::Node)
+    {
+      if (member.m_role == "admin_centre")
+      {
+        if (adminIdx == -1)
+          adminIdx = res.size();
+        res.push_back(member.m_ref);
+      }
+      else if (member.m_role == "label")
+        res.push_back(member.m_ref);
+    }
+  }
+
+  if (adminIdx > 0)
+    std::swap(res[0], res[adminIdx]);
+  return res;
+}
+
+uint8_t GetAdminLevel(OsmElement const & elem)
+{
+  auto const str = elem.GetTag("admin_level");
+  if (!str.empty())
+  {
+    int res = 0;
+    if (strings::to_int(str, res) && res > 0 && res < 13)
+      return static_cast<uint8_t>(res);
+
+    // There are too many custom admin_level value.
+    //LOG(LWARNING, ("Failed to get admin_level from", str, elem.m_id));
+  }
+  return 0;
+}
+
+}  // namespace osm_element
+}  // namespace generator