...

cxx/tests/configfile_test.cpp

@@ -1,4 +1,5 @@
 #include <iostream>
+#include <strstream>
 
 #include "../comm_server_configfile.h"
 
@@ -11,29 +12,50 @@ int main(int argc, char* argv[])
         return 1;
     }
 
+    auto print_cfg = [](auto const& cfg) {
+        for (auto& [key, v] : cfg.config()) {
+            std::cout << key << " = ";
+            if (auto v_str = std::get_if<1>(&v)) {
+                std::cout << *v_str;
+            } else if (auto v_vec = std::get_if<2>(&v)) {
+                for (auto& el : *v_vec) {
+                    std::cout << "<" << el << "> ";
+                }
+            }
+
+            std::cout << "\n";
+        }
+    };
+
     mcc::MccConfigfile cfg;
 
+    std::string str = R"--(key_no_val
+           # comment example
+           scalar_key = scalar-value
+
+           vec_key = 1,2,3    , 345, 4576, 79
+          )--";
+
+    std::istrstream ist(str.c_str());
+    cfg.load(ist);
+
+    std::cout << "From input stream: \n";
+    print_cfg(cfg);
+
+    cfg["vec_key"] = std::vector<std::string>{"10", "20", "30"};
+    cfg["new_key"] = "new-key-value";
+
+
+    cfg.save(std::string_view{argv[1]});
+
     auto ec = cfg.load(std::string_view{argv[1]});
     if (ec) {
         std::cout << "ERR: " << ec.message() << "\n";
         return 1;
     }
 
-    for (auto& [key, v] : cfg.config()) {
-        std::cout << "<" << key << "> = ";
-        if (v.index()) {
-            if (v.index() > 1) {
-                for (auto& el : std::get<2>(v)) {
-                    std::cout << "<" << el << "> ";
-                }
-                std::cout << "\n";
-            } else {
-                std::cout << "<" << std::get<1>(v) << ">\n";
-            }
-        } else {
-            std::cout << "<no value>\n";
-        }
-    }
+    std::cout << "\n\nFrom file (edited):\n";
+    print_cfg(cfg);
 
     return 0;
 }