Added support for a variety of output base formats

GhettoCryptCLI/ContainerUtility.h

@@ -0,0 +1,41 @@
+#ifndef GENERALUTILITY_CONTAINERUTILITY_H
+#define GENERALUTILITY_CONTAINERUTILITY_H
+
+#include <algorithm>
+
+namespace Leonetienne {
+    namespace GeneralUtility {
+
+        class ContainerUtility {
+        public:
+            //! Will return the index of `item` in `set`.
+            //! \tparam T_Type The type of `item`
+            //! \tparam T_Container The type of container
+            //! \param item The item to find the index for
+            //! \param set The container to be looking in
+            //! \return The index of `item` in `set`. -1 if not found.
+            template<typename T_Type, class T_Container>
+            static int Ord(const T_Type& item, const T_Container& set);
+
+        private:
+            // No instantiation! >:(
+            ContainerUtility();
+        };
+
+        template<typename T_Type, class T_Container>
+        int ContainerUtility::Ord(const T_Type& item, const T_Container& set) {
+            const auto result =
+                std::find_if(set.begin(), set.end(), [item](const T_Type& c) -> bool {
+                return c == item;
+                    });
+
+            // No item found
+            if (result == set.end())
+                return -1;
+            else
+                return result - set.begin();
+        }
+    }
+}
+
+#endif //GENERALUTILITY_CONTAINERUTILITY_H