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using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using Whoa;
namespace ShiftOS.Engine.ShiftFS
{
[Serializable]
public class ShiftDirectory : List<IShiftNode>, IShiftNode
{
public ShiftDirectory(string name) => Name = name;
public ShiftDirectory(string name, ShiftDirectory parent)
{
Name = name;
Parent = parent;
}
public IShiftNode this[string name] => this.First(n => string.Equals(n.Name, name, StringComparison.Ordinal));
public string Name { get; set; }
public IEnumerable<ShiftFile> Flatten()
{
foreach (var item in this)
{
switch (item)
{
case ShiftFile file:
yield return file;
break;
case ShiftDirectory dir:
foreach (var shiftNode in dir.Flatten())
{
yield return shiftNode;
}
break;
}
}
}
public IEnumerable<ShiftDirectory> FlattenFolders()
{
foreach (var item in this)
{
if (!(item is ShiftDirectory dir)) continue;
yield return dir;
foreach (var subdir in dir.FlattenFolders())
{
yield return subdir;
}
}
}
public string FullName
{
get
{
var list = new List<string> { Name };
var currentNode = Parent;
while (currentNode?.Parent != null )
{
list.Add(currentNode.Name);
currentNode = currentNode.Parent;
}
return Path.Combine(list.Reverse<string>().ToArray());
}
}
public ShiftDirectory Parent
{
get => Drive.FlattenFolders().FirstOrDefault(x => x.Contains(this));
set
{
value.Add(this);
Parent?.Remove(this);
}
}
public ShiftTree Drive => ShiftFS.Drives.First(d => d.FlattenFolders().Contains(this));
public Guid Guid { get; } = Guid.NewGuid();
}
}
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