v0.2.54..v0.2.55 changeset ReplaceTagMerger.h

diff --git a/hoot-core/src/main/cpp/hoot/core/schema/ReplaceTagMerger.h b/hoot-core/src/main/cpp/hoot/core/schema/ReplaceTagMerger.h
new file mode 100644
index 0000000..75bf362
--- /dev/null
+++ b/hoot-core/src/main/cpp/hoot/core/schema/ReplaceTagMerger.h
@@ -0,0 +1,114 @@
+/*
+ * 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/)
+ */
+#ifndef REPLACE_TAG_MERGER_H
+#define REPLACE_TAG_MERGER_H
+
+// Hoot
+#include <hoot/core/schema/TagMerger.h>
+
+namespace hoot
+{
+
+/**
+ * Completely replaces tags in a feature
+ */
+class ReplaceTagMerger : public TagMerger
+{
+public:
+
+  static std::string className() { return "hoot::ReplaceTagMerger"; }
+
+  /**
+   * If swap is set to true then t1 will be overwritten with t2 values.
+   */
+  ReplaceTagMerger(bool swap = false);
+
+  virtual ~ReplaceTagMerger() {}
+
+  virtual Tags mergeTags(const Tags& t1, const Tags& t2, ElementType et) const override;
+
+  // leave empty to avoid duplicate tag mergers displayed by the info command
+  virtual QString getDescription() const { return ""; }
+  virtual QString getClassName() const { return ""; }
+
+  virtual void setConfiguration(const Settings& conf);
+
+  void setOverwriteExcludeTagKeys(const QStringList& overwriteExcludeTagKeys)
+  { _overwriteExcludeTagKeys = overwriteExcludeTagKeys; }
+
+protected:
+
+  bool _swap;
+  // keys of tags not to be overwritten
+  QStringList _overwriteExcludeTagKeys;
+};
+
+/**
+ * The same as ReplaceTagMerger with a more explicit name. Tags 2 will be completely replaced with
+ * tags 1.
+ */
+class ReplaceTag2Merger : public ReplaceTagMerger
+{
+public:
+
+  static std::string className() { return "hoot::ReplaceTag2Merger"; }
+
+  ReplaceTag2Merger() : ReplaceTagMerger(false) {}
+
+  virtual QString getDescription() const
+  {
+    return
+      "Completely replaces tags in the secondary feature with those from the reference feature";
+  }
+
+  virtual QString getClassName() const { return QString::fromStdString(className()); }
+};
+
+/**
+ * The same as ReplaceTagMerger with a more explicit name. Tags 1 will be completely replaced with
+ * tags 2.
+ */
+class ReplaceTag1Merger : public ReplaceTagMerger
+{
+public:
+
+  static std::string className() { return "hoot::ReplaceTag1Merger"; }
+
+  ReplaceTag1Merger() : ReplaceTagMerger(true) {}
+
+  virtual QString getDescription() const
+  {
+    return
+      "Completely replaces tags in the reference feature with those from the secondary feature";
+  }
+
+  virtual QString getClassName() const { return QString::fromStdString(className()); }
+};
+
+}
+
+#endif // REPLACE_TAG_MERGER_H