Add CVisibilityLayer and CVisibilityLayerList

refs #579

src/blackmisc/weather/visibilitylayerlist.cpp

@@ -0,0 +1,33 @@
+/* Copyright (C) 2016
+ * swift project Community / Contributors
+ *
+ * This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
+ * directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
+ * including this file, may be copied, modified, propagated, or distributed except according to the terms
+ * contained in the LICENSE file.
+ */
+
+#include "visibilitylayerlist.h"
+
+using namespace BlackMisc::Aviation;
+
+namespace BlackMisc
+{
+    namespace Weather
+    {
+        CVisibilityLayerList::CVisibilityLayerList(const CSequence<CVisibilityLayer> &other) :
+            CSequence<CVisibilityLayer>(other)
+        { }
+
+        bool CVisibilityLayerList::containsBase(const CAltitude &base) const
+        {
+            return contains(&CVisibilityLayer::getBase, base);
+        }
+
+        CVisibilityLayer CVisibilityLayerList::findByBase(const CAltitude &base) const
+        {
+            return findFirstByOrDefault(&CVisibilityLayer::getBase, base);
+        }
+
+    } // namespace
+} // namespace