public bool AddOrGet(DirectoryIdentifier id, out List <DirectoryControlBlock> result)
{
var keys = DirectoryIdentifier.Split(id);
var controlBlocks = new List <KeyValuePair <bool, DirectoryControlBlock> >();
foreach (var i in keys)
{
var isNew = AddOrGetSingle(i, out var block);
controlBlocks.Add(new KeyValuePair <bool, DirectoryControlBlock>(isNew, block));
}
bool added = false;
int index = controlBlocks.FindLastIndex(i => !i.Key);
if (index == controlBlocks.Count - 1)
{
// no new item
result = new List <DirectoryControlBlock> {
controlBlocks[controlBlocks.Count - 1].Value
};
}
else
{
index = Math.Max(0, index);
result = controlBlocks.GetRange(index, controlBlocks.Count - index).Select(i => i.Value).ToList();
added = true;
}
return(added);
}
public static bool GetRelative(DirectoryIdentifier from, DirectoryIdentifier to, out string relPath)
{
var f = from.FullName;
var t = to.FullName;
return(PathHelper.GetRelativePath(f, true, t, true, out relPath));
}
public void OnDirectoryMoved(DirectoryIdentifier from, DirectoryIdentifier to)
{
if (_directories.TryGetValue(from, out var found))
{
_directories.Remove(from);
found.ChangePath(to.FullName);
_directories.Add(to, found);
}
}
public static DirectoryIdentifier Parent(DirectoryIdentifier id)
{
var di = new DirectoryInfo(id.FullName);
if (di.Parent == null)
{
return(null);
}
return(new DirectoryIdentifier(di.Parent.FullName));
}
private bool AddOrGetSingle(DirectoryIdentifier key, out DirectoryControlBlock result)
{
var added = false;
if (!_collection.TryGetValue(key, out result))
{
result = new DirectoryControlBlock(key);
_collection[key] = result;
added = true;
}
return(added);
}
public DirectoryControlBlock Change(DirectoryIdentifier from, DirectoryIdentifier to)
{
if (_collection.TryGetValue(from, out var ctrlBlock))
{
_collection.Remove(from);
}
var result = ctrlBlock.Clone(to);
_collection.Add(to, result);
return(result);
}
public FakeDirectory CreateDirectory(string path, IDiskDriver driver)
{
var id = new DirectoryIdentifier(path);
if (_directories.TryGetValue(id, out var result))
{
return(result);
}
result = DirectoryFactoryMethod(path, driver);
_directories.Add(id, result);
return(result);
}
public FileIdentifier(DirectoryIdentifier dirId, FileName name)
{
OwningDirectory = dirId;
Name = name;
}
public static DirectoryIdentifier CombineDirId(DirectoryIdentifier id, string path)
{
var newPath = Path.Combine(id.FullName, path);
return(new DirectoryIdentifier(newPath));
}
public static FileIdentifier CombineFileId(DirectoryIdentifier id, string path)
{
var newPath = Path.Combine(id.FullName, path);
return(FileIdentifier.FromPath(newPath));
}
public static FileIdentifier ConvertToFileId(DirectoryIdentifier id)
{
var path = id.FullName;
return(FileIdentifier.FromPath(path));
}
public static DirectoryIdentifier Root(DirectoryIdentifier id)
{
var di = new DirectoryInfo(id.FullName);
return(new DirectoryIdentifier(di.Root.FullName));
}
public bool Remove(DirectoryIdentifier id)
{
return(_collection.Remove(id));
}
public bool TryGet(DirectoryIdentifier id, out DirectoryControlBlock result)
{
return(_collection.TryGetValue(id, out result));
}