/// <exception cref="System.IO.IOException"/>
internal virtual void Rename(PathData src, PathData target)
{
// the rename method with an option to delete the target is deprecated
if (target.exists && !Delete(target.path, false))
{
// too bad we don't know why it failed
PathIOException e = new PathIOException(target.ToString());
e.SetOperation("delete");
throw e;
}
if (!Rename(src.path, target.path))
{
// too bad we don't know why it failed
PathIOException e = new PathIOException(src.ToString());
e.SetOperation("rename");
e.SetTargetPath(target.ToString());
throw e;
}
// cancel delete on exit if rename is successful
CancelDeleteOnExit(src.path);
}
/// <exception cref="System.IO.IOException"/>
protected internal override void ProcessPathArgument(PathData src)
{
if (src.stat.IsDirectory() && src.fs.Equals(dst.fs))
{
PathData target = GetTargetPath(src);
string srcPath = src.fs.MakeQualified(src.path).ToString();
string dstPath = dst.fs.MakeQualified(target.path).ToString();
if (dstPath.Equals(srcPath))
{
PathIOException e = new PathIOException(src.ToString(), "are identical");
e.SetTargetPath(dstPath.ToString());
throw e;
}
if (dstPath.StartsWith(srcPath + Path.Separator))
{
PathIOException e = new PathIOException(src.ToString(), "is a subdirectory of itself"
);
e.SetTargetPath(target.ToString());
throw e;
}
}
base.ProcessPathArgument(src);
}