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using LibHac;
using Ryujinx.HLE.HOS;
using Ryujinx.HLE.HOS.Services.FspSrv;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using static Ryujinx.HLE.HOS.ErrorCode;
namespace Ryujinx.HLE.FileSystem
{
class RomFsProvider : IFileSystemProvider
{
private Romfs RomFs;
public RomFsProvider(Stream StorageStream)
{
RomFs = new Romfs(StorageStream);
}
public long CreateDirectory(string Name)
{
throw new NotSupportedException();
}
public long CreateFile(string Name, long Size)
{
throw new NotSupportedException();
}
public long DeleteDirectory(string Name, bool Recursive)
{
throw new NotSupportedException();
}
public long DeleteFile(string Name)
{
throw new NotSupportedException();
}
public DirectoryEntry[] GetDirectories(string Path)
{
List<DirectoryEntry> Directories = new List<DirectoryEntry>();
foreach(RomfsDir Directory in RomFs.Directories)
{
DirectoryEntry DirectoryEntry = new DirectoryEntry(Directory.Name, DirectoryEntryType.Directory);
Directories.Add(DirectoryEntry);
}
return Directories.ToArray();
}
public DirectoryEntry[] GetEntries(string Path)
{
List<DirectoryEntry> Entries = new List<DirectoryEntry>();
foreach (RomfsDir Directory in RomFs.Directories)
{
DirectoryEntry DirectoryEntry = new DirectoryEntry(Directory.Name, DirectoryEntryType.Directory);
Entries.Add(DirectoryEntry);
}
foreach (RomfsFile File in RomFs.Files)
{
DirectoryEntry DirectoryEntry = new DirectoryEntry(File.Name, DirectoryEntryType.File, File.DataLength);
Entries.Add(DirectoryEntry);
}
return Entries.ToArray();
}
public DirectoryEntry[] GetFiles(string Path)
{
List<DirectoryEntry> Files = new List<DirectoryEntry>();
foreach (RomfsFile File in RomFs.Files)
{
DirectoryEntry DirectoryEntry = new DirectoryEntry(File.Name, DirectoryEntryType.File, File.DataLength);
Files.Add(DirectoryEntry);
}
return Files.ToArray();
}
public long GetFreeSpace(ServiceCtx Context)
{
return 0;
}
public string GetFullPath(string Name)
{
return Name;
}
public long GetTotalSpace(ServiceCtx Context)
{
return RomFs.Files.Sum(x => x.DataLength);
}
public bool DirectoryExists(string Name)
{
return RomFs.Directories.Exists(x=>x.Name == Name);
}
public bool FileExists(string Name)
{
return RomFs.FileExists(Name);
}
public long OpenDirectory(string Name, int FilterFlags, out IDirectory DirectoryInterface)
{
RomfsDir Directory = RomFs.Directories.Find(x => x.Name == Name);
if (Directory != null)
{
DirectoryInterface = new IDirectory(Name, FilterFlags, this);
return 0;
}
DirectoryInterface = null;
return MakeError(ErrorModule.Fs, FsErr.PathDoesNotExist);
}
public long OpenFile(string Name, out IFile FileInterface)
{
if (RomFs.FileExists(Name))
{
Stream Stream = RomFs.OpenFile(Name);
FileInterface = new IFile(Stream, Name);
return 0;
}
FileInterface = null;
return MakeError(ErrorModule.Fs, FsErr.PathDoesNotExist);
}
public long RenameDirectory(string OldName, string NewName)
{
throw new NotSupportedException();
}
public long RenameFile(string OldName, string NewName)
{
throw new NotSupportedException();
}
public void CheckIfOutsideBasePath(string Path)
{
throw new NotSupportedException();
}
}
}
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