v0.2.54..v0.2.55 changeset HighwayUtils.h

diff --git a/hoot-core/src/main/cpp/hoot/core/conflate/highway/HighwayUtils.h b/hoot-core/src/main/cpp/hoot/core/conflate/highway/HighwayUtils.h
new file mode 100644
index 0000000..5363485
--- /dev/null
+++ b/hoot-core/src/main/cpp/hoot/core/conflate/highway/HighwayUtils.h
@@ -0,0 +1,79 @@
+/*
+ * 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 HIGHWAY_UTILS_H
+#define HIGHWAY_UTILS_H
+
+// Hoot
+#include <hoot/core/elements/Element.h>
+
+namespace hoot
+{
+
+/**
+ * Utilities for use with roads
+ */
+class HighwayUtils
+{
+
+public:
+
+  /**
+   * Determines if two elements have conflicting one way street tags
+   *
+   * @param element1 the first element to examine
+   * @param element2 the second element to examine
+   * @return true if their one way tags conflict; false otherwise
+   */
+  static bool oneWayConflictExists(const ConstElementPtr& element1,
+                                   const ConstElementPtr& element2);
+
+  /**
+   * Determines if a way has an explicitly negative one way tag (oneway=no, etc.)
+   *
+   * @param element the element to examine
+   * @return true if the element contains a tag indicating it is not a one way street; false
+   * otherwise
+   */
+  static bool explicitlyNotAOneWayStreet(const ConstElementPtr& element);
+
+  /**
+   * Determines if there are specific highway type conflicts between elements
+   *
+   * @param element1 the first element to examine
+   * @param element2 the second element to examine
+   * @return true if both have specific highway tags (other than highway=road) and they disagree;
+   * false otherwise
+   */
+  static bool nonGenericHighwayConflictExists(const ConstElementPtr& element1,
+                                              const ConstElementPtr& element2);
+
+};
+
+}
+
+#endif // HIGHWAY_UTILS_H