v0.2.48..v0.2.49 changeset RefRemoveOp.h

diff --git a/hoot-core/src/main/cpp/hoot/core/ops/RefRemoveOp.h b/hoot-core/src/main/cpp/hoot/core/ops/RefRemoveOp.h
new file mode 100644
index 0000000..3989ae8
--- /dev/null
+++ b/hoot-core/src/main/cpp/hoot/core/ops/RefRemoveOp.h
@@ -0,0 +1,69 @@
+/*
+ * 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, 2017, 2018, 2019 DigitalGlobe (http://www.digitalglobe.com/)
+ */
+#ifndef REFREMOVEOP_H
+#define REFREMOVEOP_H
+
+// Hoot
+#include <hoot/core/criterion/ElementCriterionConsumer.h>
+#include <hoot/core/ops/OsmMapOperation.h>
+
+namespace hoot
+{
+
+/**
+ * Removes all elements that meet a specified criterion. When removing these elements the REF1
+ * values are tracked. After all the elements have been removed any REF2 references to REF1 are
+ * updated appropriately. See [1] for an overview of the REF1/REF2 tags.
+ *
+ * 1. https://insightcloud.digitalglobe.com/redmine/projects/hootenany/wiki/Manual_Conflation
+ */
+class RefRemoveOp : public OsmMapOperation, public ElementCriterionConsumer
+{
+public:
+
+  static std::string className() { return "hoot::RefRemoveOp"; }
+
+  RefRemoveOp();
+
+  virtual void addCriterion(const ElementCriterionPtr &e) { assert(!_criterion); _criterion = e; }
+
+  /**
+   * Remove all the ops that meet the given criterion.
+   */
+  virtual void apply(std::shared_ptr<OsmMap>& map);
+
+  virtual QString getDescription() const
+  { return "Removes elements meeting a criterion and updates REF tags"; }
+
+private:
+
+  ElementCriterionPtr _criterion;
+};
+
+}
+
+#endif // REFREMOVEOP_H