v0.2.54..v0.2.55 changeset HighwayUtils.cpp

diff --git a/hoot-core/src/main/cpp/hoot/core/conflate/highway/HighwayUtils.cpp b/hoot-core/src/main/cpp/hoot/core/conflate/highway/HighwayUtils.cpp
new file mode 100644
index 0000000..8eb9f44
--- /dev/null
+++ b/hoot-core/src/main/cpp/hoot/core/conflate/highway/HighwayUtils.cpp
@@ -0,0 +1,64 @@
+/*
+ * 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 "HighwayUtils.h"
+
+// Hoot
+#include <hoot/core/criterion/OneWayCriterion.h>
+
+namespace hoot
+{
+
+bool HighwayUtils::oneWayConflictExists(const ConstElementPtr& element1,
+                                        const ConstElementPtr& element2)
+{
+  // Technically, this should also take into account reverse one ways and check direction.  Since
+  // we have a map pre-op standardizing all the ways to not be reversed, not worrying about it for
+  // now.
+  OneWayCriterion isAOneWayStreet;
+  return
+    (isAOneWayStreet.isSatisfied(element1) && explicitlyNotAOneWayStreet(element2)) ||
+    (isAOneWayStreet.isSatisfied(element2) && explicitlyNotAOneWayStreet(element1));
+}
+
+bool HighwayUtils::explicitlyNotAOneWayStreet(const ConstElementPtr& element)
+{
+  // TODO: use Tags::isFalse here instead
+  return element->getTags().get("oneway") == "no";
+}
+
+bool HighwayUtils::nonGenericHighwayConflictExists(const ConstElementPtr& element1,
+                                                   const ConstElementPtr& element2)
+{
+  const QString element1HighwayVal = element1->getTags().get("highway");
+  const QString element2HighwayVal = element2->getTags().get("highway");
+  return
+    element1HighwayVal != "road" && element2HighwayVal != "road" &&
+    element1HighwayVal != element2HighwayVal;
+}
+
+}