fdsdump: add unique_ptr constructor to ViewFactory

Author: sedmicha

src/tools/fdsdump/src/aggregator/viewFactory.cpp

@@ -296,6 +296,18 @@ ViewFactory::create_view(
     return view;
 }
 
+std::unique_ptr<View>
+ViewFactory::create_unique_view(
+    const std::string &key_def,
+    const std::string &value_def,
+    const std::string &order_def,
+    unsigned int output_limit)
+{
+    std::unique_ptr<View> view(new View);
+    create_view(*view.get(), key_def, value_def, order_def, output_limit);
+    return view;
+}
+
 void
 ViewFactory::create_view(
     View &view,

src/tools/fdsdump/src/aggregator/viewFactory.hpp

@@ -50,6 +50,23 @@ class ViewFactory {
         const std::string &order_def,
         unsigned int output_limit = 0);
 
+    /**
+     * @brief Create an unique aggregation view
+     *
+     * @param key_def  The definition of the key fields as specified on the command line
+     * @param value_def  The definition of the value fields as specified on the command line
+     * @param order_def  The definition of the order-by fields as specified on the command line
+     * @param output_limit  The number of items that will be outputted using this view (0 = no limit)
+     *
+     * @return The view
+     */
+    std::unique_ptr<View>
+    static create_unique_view(
+        const std::string &key_def,
+        const std::string &value_def,
+        const std::string &order_def,
+        unsigned int output_limit);
+
 private:
     static std::unique_ptr<Field> create_elem_or_alias(const std::string &def);