/// <summary>
/// Throws VfsException if entity is not directory or does not exist
/// </summary>
private static void AssertDirIsNullOrIsFile(string path, VfsEntity entity)
{
if (entity == null)
{
throw new VfsException(VfsExceptionType.VfsDirNotExists, $"Directory {path} does not exist!");
}
if (entity is VfsFile)
{
throw new VfsException(VfsExceptionType.DirCorrespondToFile, $"Directory {entity.Path} corresponds to a file!");
}
}
/// <summary>
/// Copies file or directory
///<param name="depth">destination path depth</param>
/// </summary>
private void CopyEntity(VfsEntity entity, string destPath, int depth)
{
if (depth > 0)
{
var subdir = FindSubDir(destPath, out string newPath, depth == 1 ? 0 : 1) as VfsDirectory;
subdir.CopyEntity(entity, newPath, depth - 1);
return;
}
lock (_entities)
{
var destObj = _entities.FirstOrDefault(f => f.Name == entity.Name);
if (destObj != null)
{
throw new VfsException(VfsExceptionType.ObjAlreadyExists, $"Object {entity.Name} already exists!");
}
var copiedObj = entity.Copy();
copiedObj.Parent = this;
_entities.Add(copiedObj);
DateModified = DateTime.Now;
}
}