ryujinx/Ryujinx.HLE/FileSystem/RomFsProvider.cs

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C#
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using LibHac;
using LibHac.IO;
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(LibHac.IO.IStorage storage)
{
_romFs = new Romfs(storage);
}
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).AsStream();
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();
}
}
}