Ryujinx/Ryujinx.Core/VirtualFs.cs

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using System;
using System.IO;
namespace Ryujinx.Core
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{
class VirtualFs : IDisposable
{
private const string BasePath = "Fs";
private const string SavesPath = "Saves";
private const string SdCardPath = "SdCard";
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public Stream RomFs { get; private set; }
public void LoadRomFs(string FileName)
{
RomFs = new FileStream(FileName, FileMode.Open, FileAccess.Read);
}
public string GetFullPath(string BasePath, string FileName)
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{
if (FileName.StartsWith('/'))
{
FileName = FileName.Substring(1);
}
string FullPath = Path.GetFullPath(Path.Combine(BasePath, FileName));
if (!FullPath.StartsWith(GetBasePath()))
{
return null;
}
return FullPath;
}
public string GetSdCardPath() => MakeDirAndGetFullPath(SdCardPath);
public string GetGameSavesPath() => MakeDirAndGetFullPath(SavesPath);
private static string MakeDirAndGetFullPath(string Dir)
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{
string FullPath = Path.Combine(GetBasePath(), Dir);
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if (!Directory.Exists(FullPath))
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{
Directory.CreateDirectory(FullPath);
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}
return FullPath;
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}
public static string GetBasePath()
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{
return Path.Combine(Directory.GetCurrentDirectory(), BasePath);
}
public void Dispose()
{
Dispose(true);
}
protected virtual void Dispose(bool disposing)
{
if (disposing)
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{
RomFs?.Dispose();
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}
}
}
}