From 49574a99f51f52bdde482a11a718adcb3b1be227 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Iv=C3=A1n=20Mestre?= <ivanmestre@outlook.com>
Date: Tue, 22 Oct 2024 20:48:59 -0300
Subject: [PATCH] Added a command line option (-c, --config) to load a
 configuration file through the command line parameters (#59)

---
 src/Ryujinx.Gtk3/Program.cs                   |  5 ++++
 .../Helper/CommandLineState.cs                | 25 +++++++++++++++++++
 src/Ryujinx/Program.cs                        |  5 ++++
 3 files changed, 35 insertions(+)

diff --git a/src/Ryujinx.Gtk3/Program.cs b/src/Ryujinx.Gtk3/Program.cs
index 2d350374bf..f4c1a9d74b 100644
--- a/src/Ryujinx.Gtk3/Program.cs
+++ b/src/Ryujinx.Gtk3/Program.cs
@@ -165,6 +165,11 @@ static void Main(string[] args)
                     ? appDataConfigurationPath
                     : null;
 
+            if (!string.IsNullOrEmpty(CommandLineState.OverrideConfigFile) && File.Exists(CommandLineState.OverrideConfigFile))
+            {
+                ConfigurationPath = CommandLineState.OverrideConfigFile;
+            }
+
             if (ConfigurationPath == null)
             {
                 // No configuration, we load the default values and save it to disk
diff --git a/src/Ryujinx.UI.Common/Helper/CommandLineState.cs b/src/Ryujinx.UI.Common/Helper/CommandLineState.cs
index ae0e4d904a..7f8854c361 100644
--- a/src/Ryujinx.UI.Common/Helper/CommandLineState.cs
+++ b/src/Ryujinx.UI.Common/Helper/CommandLineState.cs
@@ -1,5 +1,6 @@
 using Ryujinx.Common.Logging;
 using System.Collections.Generic;
+using System.IO;
 
 namespace Ryujinx.UI.Common.Helper
 {
@@ -16,6 +17,7 @@ public static class CommandLineState
         public static string LaunchPathArg { get; private set; }
         public static string LaunchApplicationId { get; private set; }
         public static bool StartFullscreenArg { get; private set; }
+        public static string OverrideConfigFile { get; private set; }
 
         public static void ParseArguments(string[] args)
         {
@@ -96,6 +98,29 @@ public static void ParseArguments(string[] args)
                     case "--software-gui":
                         OverrideHardwareAcceleration = false;
                         break;
+                    case "-c":
+                    case "--config":
+                        if (i + 1 >= args.Length)
+                        {
+                            Logger.Error?.Print(LogClass.Application, $"Invalid option '{arg}'");
+
+                            continue;
+                        }
+
+                        string configFile = args[++i];
+
+                        if (Path.GetExtension(configFile).ToLower() != ".json")
+                        {
+                            Logger.Error?.Print(LogClass.Application, $"Invalid option '{arg}'");
+
+                            continue;
+                        }
+
+                        OverrideConfigFile = configFile;
+
+                        arguments.Add(arg);
+                        arguments.Add(args[i]);
+                        break;
                     default:
                         LaunchPathArg = arg;
                         break;
diff --git a/src/Ryujinx/Program.cs b/src/Ryujinx/Program.cs
index 6c83cedcf3..c1e5a4d42c 100644
--- a/src/Ryujinx/Program.cs
+++ b/src/Ryujinx/Program.cs
@@ -150,6 +150,11 @@ public static void ReloadConfig()
                 ConfigurationPath = appDataConfigurationPath;
             }
 
+            if (!string.IsNullOrEmpty(CommandLineState.OverrideConfigFile) && File.Exists(CommandLineState.OverrideConfigFile))
+            {
+                ConfigurationPath = CommandLineState.OverrideConfigFile;
+            }
+
             if (ConfigurationPath == null)
             {
                 // No configuration, we load the default values and save it to disk