public IFile LinkFrom(FileInfo source, string linkName, bool overwrite)
{
this.CheckDeleted();
string dest = Path.GetFileName(linkName);
if (!Directory.IsValidFileName(dest))
{
throw new DirectoryNotFoundException($"Filename {dest} is invalid.");
}
if (!source.ContentExists())
{
throw new FileNotFoundException($"{source.FullName} could not be found.");
}
if (this.ContainsFile(dest) &&
!overwrite)
{
throw new IOException($"{source.Name} already exists in the target directory");
}
var linkPath = this.ThisDirectory.Path / dest;
FileSystem.CreateSymbolicLink(source.FullName, this.RootFileSystem.ConvertPathToInternal(linkPath), FileType.File);
// todo GUID semantics (not necessary for tsuku but maybe for db-backed?)
return(this.OpenFile(dest));
}
public IFile MoveFrom(IFile source, string targetName, bool overwrite)
{
this.CheckDeleted();
#pragma warning disable CS0618 // Type or member is obsolete
string dest = Path.GetFileName(targetName);
if (!Directory.IsValidFileName(dest))
{
throw new DirectoryNotFoundException($"Filename {dest} is invalid.");
}
if (!source.Created)
{
throw new FileNotFoundException($"{source.UnsafeGetPath().FullName} could not be found.");
}
if (this.ContainsFile(dest) && !overwrite)
{
throw new IOException($"{source.Name} already exists in the target directory");
}
// Preserve GUID
if (!this.FileGuidProvider.TryGetGuid(source.UnsafeGetPath(), out Guid existingGuid))
{
existingGuid = Guid.NewGuid();
}
var file = this.OpenFile(dest, existingGuid);
// unsafe usage here as optimization.
source.UnsafeGetPath()
.MoveTo(file.UnsafeGetPath().ToString(), overwrite);
#pragma warning restore CS0618 // Type or member is obsolete
source.Delete();
return(this.OpenFile(dest));
}
public async Task <IFile> CopyFromAsync(FileInfo source, string targetName, bool overwrite, CancellationToken cancellation = default)
{
this.CheckDeleted();
if (!source.ContentExists())
{
throw new FileNotFoundException($"{source.FullName} could not be found.");
}
string?fileName = Path.GetFileName(targetName);
if (!Directory.IsValidFileName(fileName))
{
throw new DirectoryNotFoundException($"The filename {targetName} is invalid.");
}
// Preserve GUID
if (!this.FileGuidProvider.TryGetGuid(source, out Guid existingGuid))
{
existingGuid = Guid.NewGuid();
}
var file = this.OpenFile(fileName, existingGuid);
if (file.Created && !overwrite)
{
throw new IOException($"{source.Name} already exists in the target directory.");
}
using (var newStream = file.OpenStream(FileMode.Create, FileAccess.ReadWrite))
using (var sourceStream = source.OpenRead())
{
await sourceStream.CopyToAsync(newStream, cancellation);
}
return(file);
}
public IDeletableDirectory LinkFrom(DirectoryInfo source, string linkName, bool overwrite)
{
this.CheckDeleted();
string dest = Path.GetFileName(linkName);
if (!Directory.IsValidFileName(dest))
{
throw new DirectoryNotFoundException($"Filename {dest} is invalid.");
}
if (!source.ContentExists())
{
throw new DirectoryNotFoundException($"{source.FullName} could not be found.");
}
if (this.ContainsFile(dest) && !overwrite)
{
throw new IOException($"{source.Name} already exists in the target directory");
}
var linkPath = this.ThisDirectory.Path / dest;
FileSystem.CreateSymbolicLink(source.FullName, this.RootFileSystem.ConvertPathToInternal(linkPath), FileType.Directory);
return(this.OpenDirectory(dest));
}
public IFile CopyFrom(FileInfo source, string targetName, bool overwrite)
{
this.CheckDeleted();
if (!source.ContentExists())
{
throw new FileNotFoundException($"{source.FullName} could not be found.");
}
string?fileName = Path.GetFileName(targetName);
if (!Directory.IsValidFileName(fileName))
{
throw new DirectoryNotFoundException($"Filename {targetName} is invalid.");
}
source.CopyTo(this.RootFileSystem.ConvertPathToInternal(this.ThisDirectory.Path / fileName), overwrite);
// Preserve GUID, on Linux xattrs are not preserved from copy.
if (!this.FileGuidProvider.TryGetGuid(source, out Guid existingGuid))
{
existingGuid = Guid.NewGuid();
}
return(this.OpenFile(fileName, existingGuid));
}
