Add toolbox for radar display control

wxdata/include/scwx/common/products.hpp

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+#pragma once
+
+#include <scwx/util/iterator.hpp>
+
+#include <string>
+
+namespace scwx
+{
+namespace common
+{
+
+const std::string LEVEL2_GROUP_ID = "L2";
+
+enum class Level2Product
+{
+   Reflectivity,
+   Velocity,
+   SpectrumWidth,
+   DifferentialReflectivity,
+   DifferentialPhase,
+   CorrelationCoefficient,
+   ClutterFilterPowerRemoved,
+   Unknown
+};
+typedef util::Iterator<Level2Product,
+                       Level2Product::Reflectivity,
+                       Level2Product::ClutterFilterPowerRemoved>
+   Level2ProductIterator;
+
+const std::string&  GetLevel2Name(Level2Product product);
+const std::string&  GetLevel2Description(Level2Product product);
+const Level2Product GetLevel2Product(const std::string& id);
+
+} // namespace common
+} // namespace scwx

wxdata/include/scwx/util/iterator.hpp

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+#pragma once
+
+#include <type_traits>
+
+namespace scwx
+{
+namespace util
+{
+
+template<typename T, T beginValue, T endValue>
+class Iterator
+{
+   typedef typename std::underlying_type<T>::type value_t;
+   int                                            value_;
+
+public:
+   Iterator(const T& v) : value_(static_cast<value_t>(v)) {}
+   Iterator() : value_(static_cast<value_t>(beginValue)) {}
+   Iterator operator++()
+   {
+      ++value_;
+      return *this;
+   }
+   T        operator*() { return static_cast<T>(value_); }
+   Iterator begin() { return *this; } // Default constructor
+   Iterator end()
+   {
+      static const Iterator endIterator = ++Iterator(endValue);
+      return endIterator;
+   }
+   bool operator!=(const Iterator& i) { return value_ != i.value_; }
+};
+
+} // namespace util
+} // namespace scwx