--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Tools/DocGen/FileItem.cs	Thu Mar 27 21:46:09 2014 +0400
@@ -0,0 +1,121 @@
+using System;
+using System.Collections.Generic;
+
+namespace DocGen
+{
+	class FileItem
+	{
+		public bool           IsFile;
+		public string         Name;
+		public List<FileItem> Items;
+		public FileItem       Parent;
+		public string         Group;
+		public List<string>   Indexes   = new List<string>();
+		public List<string>   NoIndexes = new List<string>();
+		public bool           NoIndex;
+
+		private string _title;
+		public  string  Title
+		{
+			get { return _title ?? System.IO.Path.GetFileNameWithoutExtension(Name); }
+			set { _title = value; }
+		}
+
+		private int _sortOrder;
+		public  int  SortOrder
+		{
+			get
+			{
+				if (_sortOrder == 0 && Items != null)
+					return Items[0].SortOrder;
+
+				return _sortOrder;
+			}
+
+			set { _sortOrder = value; }
+		}
+
+		public string Path
+		{
+			get
+			{
+				return Name.Replace(Program.destPath, "").Replace("\\", "/");
+			}
+		}
+
+		public IEnumerable<FileItem> GetFiles()
+		{
+			if (Items != null)
+			{
+				foreach (var item in Items)
+				{
+					if (item.IsFile)
+						yield return item;
+
+					if (item.Items != null)
+						foreach (var i in item.GetFiles())
+							yield return i;
+				}
+			}
+		}
+
+		public void Add(FileItem item)
+		{
+			item.Parent = this;
+
+			if (Items == null)
+				Items = new List<FileItem>();
+
+			Items.Add(item);
+		}
+
+		public void Prepare()
+		{
+			if (Items != null)
+			{
+				var groups = new List<FileItem>();
+
+				for (var i = 0; i < Items.Count; i++)
+				{
+					var item = Items[i];
+
+					if (item.Group != null && item.Group != Name)
+					{
+						var group = groups.Find(file => file.Name == item.Group);
+
+						if (group == null)
+							groups.Add(group = new FileItem { Name = item.Group, SortOrder = item.SortOrder });
+
+						group.Add(item);
+						Items.RemoveAt(i);
+
+						i--;
+					}
+				}
+
+				Items.AddRange(groups);
+
+				foreach (var item in Items)
+					item.Prepare();
+
+				Items.Sort((x, y) =>
+				{
+					var xname = x.Title.ToLower();
+					var yname = y.Title.ToLower();
+
+					if (xname == yname)                         return  0;
+					if (x.Name.ToLower().EndsWith("index.htm")) return -1;
+					if (y.Name.ToLower().EndsWith("index.htm")) return  1;
+
+					if (x.SortOrder != 0 && y.SortOrder != 0)
+						return x.SortOrder - y.SortOrder;
+
+					if (x.SortOrder != 0) return -1;
+					if (y.SortOrder != 0) return  1;
+
+					return string.Compare(xname, yname);
+				});
+			}
+		}
+	}
+}