Config: allow setting Matrices

src/core/config/Configuration.hpp

@@ -165,6 +165,13 @@ namespace corryvreckan {
         // TODO [doc] Provide second template parameter to specify the vector type to return it in
         template <typename T> void setArray(const std::string& key, const std::vector<T>& val);
 
+        /**
+         * @brief Set matrix of values for a key in a given type
+         * @param key Key to set values of
+         * @param val List of values to assign to the key
+         */
+        template <typename T> void setMatrix(const std::string& key, const Matrix<T>& val);
+
         /**
          * @brief Set default value for a key only if it is not defined yet
          * @param key Key to possible set value of

src/core/config/Configuration.tpp

@@ -154,6 +154,27 @@ namespace corryvreckan {
         config_[key] = str;
     }
 
+    template <typename T> void Configuration::setMatrix(const std::string& key, const Matrix<T>& val) {
+        // NOTE: not the most elegant way to support arrays
+        if(val.empty()) {
+            return;
+        }
+
+        std::string str = "[";
+        for(auto& col : val) {
+            str += "[";
+            for(auto& el : col) {
+                str += corryvreckan::to_string(el);
+                str += ",";
+            }
+            str.pop_back();
+            str += "],";
+        }
+        str.pop_back();
+        str += "]";
+        config_[key] = str;
+    }
+
     template <typename T> void Configuration::setDefault(const std::string& key, const T& val) {
         if(!has(key)) {
             set<T>(key, val);