From fc77b089a6ab600ac6f954cb193d26239008975f Mon Sep 17 00:00:00 2001
From: emmauss <emmausssss@gmail.com>
Date: Sun, 9 Sep 2018 01:04:26 +0300
Subject: Implements proper save path (#386)
* initial save path implementation
* fix savedatatype offset, remove incomplete createsavedata implimentation
* address nits
* fix crash if npdm is not found
* made saveinfo readonly, other stuff
* remove context param from saveinfo contructor
* fix style
* remove whitespace
---
Ryujinx.HLE/FileSystem/VirtualFileSystem.cs | 132 ++++++++++++++++++++++++++++
1 file changed, 132 insertions(+)
create mode 100644 Ryujinx.HLE/FileSystem/VirtualFileSystem.cs
(limited to 'Ryujinx.HLE/FileSystem/VirtualFileSystem.cs')
diff --git a/Ryujinx.HLE/FileSystem/VirtualFileSystem.cs b/Ryujinx.HLE/FileSystem/VirtualFileSystem.cs
new file mode 100644
index 00000000..e621ec2b
--- /dev/null
+++ b/Ryujinx.HLE/FileSystem/VirtualFileSystem.cs
@@ -0,0 +1,132 @@
+using Ryujinx.HLE.HOS;
+using System;
+using System.IO;
+
+namespace Ryujinx.HLE.FileSystem
+{
+ class VirtualFileSystem : IDisposable
+ {
+ public const string BasePath = "RyuFs";
+ public const string NandPath = "nand";
+ public const string SdCardPath = "sdmc";
+ public const string SystemPath = "system";
+
+ public static string SystemNandPath = Path.Combine(NandPath, "system");
+ public static string UserNandPath = Path.Combine(NandPath, "user");
+
+ public Stream RomFs { get; private set; }
+
+ public void LoadRomFs(string FileName)
+ {
+ RomFs = new FileStream(FileName, FileMode.Open, FileAccess.Read);
+ }
+
+ public void SetRomFs(Stream RomfsStream)
+ {
+ RomFs?.Close();
+ RomFs = RomfsStream;
+ }
+
+ public string GetFullPath(string BasePath, string FileName)
+ {
+ if (FileName.StartsWith("//"))
+ {
+ FileName = FileName.Substring(2);
+ }
+ else if (FileName.StartsWith('/'))
+ {
+ FileName = FileName.Substring(1);
+ }
+ else
+ {
+ return null;
+ }
+
+ string FullPath = Path.GetFullPath(Path.Combine(BasePath, FileName));
+
+ if (!FullPath.StartsWith(GetBasePath()))
+ {
+ return null;
+ }
+
+ return FullPath;
+ }
+
+ public string GetSdCardPath() => MakeDirAndGetFullPath(SdCardPath);
+
+ public string GetNandPath() => MakeDirAndGetFullPath(NandPath);
+
+ public string GetSystemPath() => MakeDirAndGetFullPath(SystemPath);
+
+ public string GetGameSavePath(SaveInfo Save, ServiceCtx Context)
+ {
+ return MakeDirAndGetFullPath(SaveHelper.GetSavePath(Save, Context));
+ }
+
+ public string SwitchPathToSystemPath(string SwitchPath)
+ {
+ string[] Parts = SwitchPath.Split(":");
+ if (Parts.Length != 2)
+ {
+ return null;
+ }
+ return GetFullPath(MakeDirAndGetFullPath(Parts[0]), Parts[1]);
+ }
+
+ public string SystemPathToSwitchPath(string SystemPath)
+ {
+ string BaseSystemPath = GetBasePath() + Path.DirectorySeparatorChar;
+ if (SystemPath.StartsWith(BaseSystemPath))
+ {
+ string RawPath = SystemPath.Replace(BaseSystemPath, "");
+ int FirstSeparatorOffset = RawPath.IndexOf(Path.DirectorySeparatorChar);
+ if (FirstSeparatorOffset == -1)
+ {
+ return $"{RawPath}:/";
+ }
+
+ string BasePath = RawPath.Substring(0, FirstSeparatorOffset);
+ string FileName = RawPath.Substring(FirstSeparatorOffset + 1);
+ return $"{BasePath}:/{FileName}";
+ }
+ return null;
+ }
+
+ private string MakeDirAndGetFullPath(string Dir)
+ {
+ string FullPath = Path.Combine(GetBasePath(), Dir);
+
+ if (!Directory.Exists(FullPath))
+ {
+ Directory.CreateDirectory(FullPath);
+ }
+
+ return FullPath;
+ }
+
+ public DriveInfo GetDrive()
+ {
+ return new DriveInfo(Path.GetPathRoot(GetBasePath()));
+ }
+
+ public string GetBasePath()
+ {
+ string AppDataPath = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData);
+
+ return Path.Combine(AppDataPath, BasePath);
+ }
+
+ public void Dispose()
+ {
+ Dispose(true);
+ }
+
+ protected virtual void Dispose(bool disposing)
+ {
+ if (disposing)
+ {
+ RomFs?.Dispose();
+ }
+ }
+ }
+}
\ No newline at end of file
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