src/arff/arff.cpp

@@ -81,6 +81,31 @@ namespace ARFF {
         TestIntegrity();
     }
 
+    void Arff::Print(void) {
+        std::cout << attributeList.size() << " attributes\n";
+        std::cout << database.size() << " examples\n";
+        std::cout << std::endl;
+
+        std::cout << "Attribute (#): values\n";
+        for (AttributeType type : attributeList) {
+            std::cout << type.attribute << " (" << type.values.size() << "):";
+            for (std::string value : type.values) {
+                std::cout << " " << value;
+            }
+            std::cout << '\n';
+        }
+        std::cout << std::endl;
+
+        std::cout << relation << '\n';
+        for (Instance instance: database) {
+            for (std::string value : instance.values) {
+                std::cout << '\t' << value;
+            }
+            std::cout << '\n';
+        }
+        std::cout << std::endl;
+    }
+
     // Add the attribute to the list
     void Arff::AddAttribute(std::string line) {
         std::stringstream parser(line);

src/arff/arff.hpp

@@ -29,6 +29,7 @@ namespace ARFF {
     public:
         Arff() = default;
         void Read(std::string filename);
+        void Print(void);
     private:
         std::string relation;
         std::vector<AttributeType> attributeList;

src/arff/main.cpp

@@ -9,4 +9,5 @@ int main(int argc, char* argv[]) {
     ARFF::ParseArguments(argc, argv);
     ARFF::Arff data;
     data.Read(ARFF::GetDataFilename());
+    data.Print();
 }