vst-dump: Add option to print parameter details

Tools/vst-dump.cpp

@@ -9,9 +9,7 @@
 
 #include <stdio.h>
 
-namespace Main {
-
-ErrorOr<int> main(int argc, char const* argv[])
+ErrorOr<int> Main::main(int argc, char const* argv[])
 {
     auto argument_parser = CLI::ArgumentParser();
 
@@ -20,6 +18,11 @@ ErrorOr<int> main(int argc, char const* argv[])
         plugin_path = arg;
     }));
 
+    bool print_parameters = false;
+    TRY(argument_parser.add_flag("--print-parameters", "-pp", "print parameters", [&]{
+        print_parameters = true;
+    }));
+
     if (auto result = argument_parser.run(argc, argv); result.is_error()) {
         TRY(result.error().show());
         return 1;
@@ -71,9 +74,17 @@ ErrorOr<int> main(int argc, char const* argv[])
         };
         printf(" %.*s: %.*s\n", feature.name().size(), feature.name().data(), result.name().size(), result.name().data());
     }
-    printf("\n------------------------------------\n\n");
-
+    if (print_parameters && plugin.number_of_parameters() > 0) {
+        printf("\n\n-------------Parameters-------------\n\n");
+        for (u32 i = 0; i < plugin.number_of_parameters(); i++) {
+            char buf[1024];
+            printf("%d:\n", i);
+            printf("  - name: %s\n", plugin.parameter_name(buf, i));
+            printf("  - display: %s\n", plugin.parameter_display(buf, i));
+            printf("  - label: %s\n", plugin.parameter_label(buf, i));
+            printf("  - can be automated: %s\n", plugin.parameter_can_be_automated(i) ? "yes" : "no");
+        }
+    }
+    printf("------------------------------------\n\n");
     return 0;
 }
-
-}