v0.2.48..v0.2.49 changeset FindIntersectionsVisitor.h

diff --git a/hoot-core/src/main/cpp/hoot/core/visitors/FindIntersectionsVisitor.h b/hoot-core/src/main/cpp/hoot/core/visitors/FindIntersectionsVisitor.h
new file mode 100644
index 0000000..f58d2c6
--- /dev/null
+++ b/hoot-core/src/main/cpp/hoot/core/visitors/FindIntersectionsVisitor.h
@@ -0,0 +1,119 @@
+/*
+ * 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) 2015, 2016, 2017, 2018, 2019 DigitalGlobe (http://www.digitalglobe.com/)
+ */
+#ifndef FINDINTERSECTIONSVISITOR_H
+#define FINDINTERSECTIONSVISITOR_H
+
+// hoot
+#include <hoot/core/criterion/ElementCriterion.h>
+#include <hoot/core/elements/OsmMap.h>
+#include <hoot/core/elements/OsmMapConsumer.h>
+#include <hoot/core/elements/ConstElementVisitor.h>
+#include <hoot/core/info/OperationStatusInfo.h>
+
+namespace hoot
+{
+
+/**
+ * Finds all intersections (nodes), adds some parameters to them and records their node ids
+ */
+class FindIntersectionsVisitor : public ConstElementVisitor, public OsmMapConsumer,
+  public OperationStatusInfo
+{
+public:
+
+  static std::string className() { return "hoot::FindIntersectionsVisitor"; }
+
+  FindIntersectionsVisitor() {}
+
+  virtual void visit(const ConstElementPtr& e);
+
+  virtual void setOsmMap(OsmMap* map) { _map = map; }
+
+  virtual void setOsmMap(const OsmMap* /*map*/) { assert(false); }
+
+  std::vector<long>& getIntersections() { return _ids; }
+
+  virtual QString getDescription() const { return "Identifies generic intersections"; }
+
+  virtual QString getInitStatusMessage() const
+  { return "Finding intersections..."; }
+
+  virtual QString getCompletedStatusMessage() const
+  { return "Found " + QString::number(_numAffected) + " intersections"; }
+
+  virtual ElementCriterionPtr createCriterion(ConstOsmMapPtr map) = 0;
+
+private:
+
+  OsmMap* _map;
+  std::vector<long> _ids;
+  ElementCriterionPtr _criterion;
+};
+
+/**
+ *  Finds all road intersection nodes, adds some parameters to them and records their node ids
+ */
+class FindHighwayIntersectionsVisitor : public FindIntersectionsVisitor
+{
+public:
+
+  static std::string className() { return "hoot::FindHighwayIntersectionsVisitor"; }
+
+  virtual QString getDescription() const { return "Identifies road intersections"; }
+
+  virtual QString getInitStatusMessage() const
+  { return "Finding road intersections..."; }
+
+  virtual QString getCompletedStatusMessage() const
+  { return "Found " + QString::number(_numAffected) + " road intersections"; }
+
+  virtual ElementCriterionPtr createCriterion(ConstOsmMapPtr map);
+};
+
+/**
+ *  Finds all railway intersection nodes, adds some parameters to them and records their node ids
+ */
+class FindRailwayIntersectionsVisitor : public FindIntersectionsVisitor
+{
+public:
+
+  static std::string className() { return "hoot::FindRailwayIntersectionsVisitor"; }
+
+  virtual QString getDescription() const { return "Identifies railway intersections"; }
+
+  virtual QString getInitStatusMessage() const
+  { return "Finding railway intersections..."; }
+
+  virtual QString getCompletedStatusMessage() const
+  { return "Found " + QString::number(_numAffected) + " railway intersections"; }
+
+  virtual ElementCriterionPtr createCriterion(ConstOsmMapPtr map);
+};
+
+}
+
+#endif // FINDINTERSECTIONSVISITOR_H