add nativaot libryujinx project

src/LibRyujinx/LibRyujinx.Device.cs

@@ -0,0 +1,151 @@
+using ARMeilleure.Translation;
+using Ryujinx.Common.Logging;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Runtime.InteropServices;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace LibRyujinx
+{
+    public static partial class LibRyujinx
+    {
+        [UnmanagedCallersOnly(EntryPoint = "device_initialize")]
+        public static bool InitializeDeviceNative()
+        {
+            return InitializeDevice();
+        }
+
+        public static bool InitializeDevice()
+        {
+            if (SwitchDevice == null)
+            {
+                return false;
+            }
+
+            return SwitchDevice.InitializeContext();
+        }
+
+        [UnmanagedCallersOnly(EntryPoint = "device_load")]
+        public static bool LoadApplicationNative(IntPtr pathPtr)
+        {
+            if(SwitchDevice?.EmulationContext == null)
+            {
+                return false;
+            }
+
+            var path = Marshal.PtrToStringAnsi(pathPtr);
+
+            return LoadApplication(path);
+        }
+
+        public static bool LoadApplication(string path)
+        {
+            var emulationContext = SwitchDevice.EmulationContext;
+
+            if (Directory.Exists(path))
+            {
+                string[] romFsFiles = Directory.GetFiles(path, "*.istorage");
+
+                if (romFsFiles.Length == 0)
+                {
+                    romFsFiles = Directory.GetFiles(path, "*.romfs");
+                }
+
+                if (romFsFiles.Length > 0)
+                {
+                    Logger.Info?.Print(LogClass.Application, "Loading as cart with RomFS.");
+
+                    if (!emulationContext.LoadCart(path, romFsFiles[0]))
+                    {
+                        SwitchDevice.DisposeContext();
+
+                        return false;
+                    }
+                }
+                else
+                {
+                    Logger.Info?.Print(LogClass.Application, "Loading as cart WITHOUT RomFS.");
+
+                    if (!emulationContext.LoadCart(path))
+                    {
+                        SwitchDevice.DisposeContext();
+
+                        return false;
+                    }
+                }
+            }
+            else if (File.Exists(path))
+            {
+                switch (Path.GetExtension(path).ToLowerInvariant())
+                {
+                    case ".xci":
+                        Logger.Info?.Print(LogClass.Application, "Loading as XCI.");
+
+                        if (!emulationContext.LoadXci(path))
+                        {
+                            SwitchDevice.DisposeContext();
+
+                            return false;
+                        }
+                        break;
+                    case ".nca":
+                        Logger.Info?.Print(LogClass.Application, "Loading as NCA.");
+
+                        if (!emulationContext.LoadNca(path))
+                        {
+                            SwitchDevice.DisposeContext();
+
+                            return false;
+                        }
+                        break;
+                    case ".nsp":
+                    case ".pfs0":
+                        Logger.Info?.Print(LogClass.Application, "Loading as NSP.");
+
+                        if (!emulationContext.LoadNsp(path))
+                        {
+                            SwitchDevice.DisposeContext();
+
+                            return false;
+                        }
+                        break;
+                    default:
+                        Logger.Info?.Print(LogClass.Application, "Loading as Homebrew.");
+                        try
+                        {
+                            if (!emulationContext.LoadProgram(path))
+                            {
+                                SwitchDevice.DisposeContext();
+
+                                return false;
+                            }
+                        }
+                        catch (ArgumentOutOfRangeException)
+                        {
+                            Logger.Error?.Print(LogClass.Application, "The specified file is not supported by Ryujinx.");
+
+                            SwitchDevice.DisposeContext();
+
+                            return false;
+                        }
+                        break;
+                }
+            }
+            else
+            {
+                Logger.Warning?.Print(LogClass.Application, $"Couldn't load '{path}'. Please specify a valid XCI/NCA/NSP/PFS0/NRO file.");
+
+                SwitchDevice.DisposeContext();
+
+                return false;
+            }
+
+            Translator.IsReadyForTranslation.Reset();
+
+            return true;
+        }
+    }
+}