update name sorting

1 files changed, 31 insertions, 0 deletions

diff --git a/MediaBrowser.Controller/Sorting/SortHelper.cs b/MediaBrowser.Controller/Sorting/SortHelper.cs
new file mode 100644
index 000000000..95a3c26c4
--- /dev/null
+++ b/MediaBrowser.Controller/Sorting/SortHelper.cs
@@ -0,0 +1,31 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MediaBrowser.Controller.Sorting
+{
+    public static class SortHelper
+    {
+        private enum ChunkType { Alphanumeric, Numeric };
+
+        public static bool InChunk(char ch, char otherCh)
+        {
+            var type = ChunkType.Alphanumeric;
+
+            if (char.IsDigit(otherCh))
+            {
+                type = ChunkType.Numeric;
+            }
+
+            if ((type == ChunkType.Alphanumeric && char.IsDigit(ch))
+                || (type == ChunkType.Numeric && !char.IsDigit(ch)))
+            {
+                return false;
+            }
+
+            return true;
+        }
+    }
+}