v0.2.54..v0.2.55 changeset RelationMemberNodeCounter.cpp

diff --git a/hoot-core/src/main/cpp/hoot/core/elements/RelationMemberNodeCounter.cpp b/hoot-core/src/main/cpp/hoot/core/elements/RelationMemberNodeCounter.cpp
new file mode 100644
index 0000000..99b4d81
--- /dev/null
+++ b/hoot-core/src/main/cpp/hoot/core/elements/RelationMemberNodeCounter.cpp
@@ -0,0 +1,72 @@
+/*
+ * This file is part of Hootenanny.
+ *
+ * Hootenanny is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * --------------------------------------------------------------------
+ *
+ * The following copyright notices are generated automatically. If you
+ * have a new notice to add, please use the format:
+ * " * @copyright Copyright ..."
+ * This will properly maintain the copyright information. DigitalGlobe
+ * copyrights will be updated automatically.
+ *
+ * @copyright Copyright (C) 2020 DigitalGlobe (http://www.digitalglobe.com/)
+ */
+
+#include "RelationMemberNodeCounter.h"
+
+// hoot
+
+
+namespace hoot
+{
+
+RelationMemberNodeCounter::RelationMemberNodeCounter()
+{
+}
+
+int RelationMemberNodeCounter::numNodes(const ConstRelationPtr& relation) const
+{
+  int count = 0;
+  const std::vector<RelationData::Entry> members = relation->getMembers();
+  for (size_t i = 0; i < members.size(); i++)
+  {
+    const RelationData::Entry member = members[i];
+    const ElementType type = member.getElementId().getType();
+    if (type == ElementType::Node)
+    {
+      count++;
+    }
+    else if (type == ElementType::Way)
+    {
+      ConstWayPtr way = _map->getWay(member.getElementId().getId());
+      if (way)
+      {
+        count += way->getNodeCount();
+      }
+    }
+    else if (type == ElementType::Relation)
+    {
+      ConstRelationPtr relation = _map->getRelation(member.getElementId().getId());
+      if (relation)
+      {
+        count += numNodes(relation);
+      }
+    }
+  }
+  return count;
+}
+
+}