Reorganizes Project (#41)

Projects/Server/Persistence/BinaryMemoryWriter.cs

@@ -0,0 +1,82 @@
+/***************************************************************************
+ *                            BinaryMemoryWriter.cs
+ *                            -------------------
+ *   begin                : May 1, 2002
+ *   copyright            : (C) The RunUO Software Team
+ *   email                : info@runuo.com
+ *
+ *   $Id$
+ *
+ ***************************************************************************/
+
+/***************************************************************************
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ ***************************************************************************/
+
+using System.IO;
+
+namespace Server
+{
+  public sealed class BinaryMemoryWriter : BinaryFileWriter
+  {
+    private static byte[] indexBuffer;
+    private MemoryStream stream;
+
+    public BinaryMemoryWriter()
+      : base(new MemoryStream(512), true)
+    {
+      stream = UnderlyingStream as MemoryStream;
+    }
+
+    protected override int BufferSize => 512;
+
+    public int CommitTo(SequentialFileWriter dataFile, SequentialFileWriter indexFile, int typeCode, uint serial)
+    {
+      Flush();
+
+      byte[] buffer = stream.GetBuffer();
+      int length = (int)stream.Length;
+
+      long position = dataFile.Position;
+
+      dataFile.Write(buffer, 0, length);
+
+      if (indexBuffer == null) indexBuffer = new byte[20];
+
+      indexBuffer[0] = (byte)typeCode;
+      indexBuffer[1] = (byte)(typeCode >> 8);
+      indexBuffer[2] = (byte)(typeCode >> 16);
+      indexBuffer[3] = (byte)(typeCode >> 24);
+
+      indexBuffer[4] = (byte)serial;
+      indexBuffer[5] = (byte)(serial >> 8);
+      indexBuffer[6] = (byte)(serial >> 16);
+      indexBuffer[7] = (byte)(serial >> 24);
+
+      indexBuffer[8] = (byte)position;
+      indexBuffer[9] = (byte)(position >> 8);
+      indexBuffer[10] = (byte)(position >> 16);
+      indexBuffer[11] = (byte)(position >> 24);
+      indexBuffer[12] = (byte)(position >> 32);
+      indexBuffer[13] = (byte)(position >> 40);
+      indexBuffer[14] = (byte)(position >> 48);
+      indexBuffer[15] = (byte)(position >> 56);
+
+      indexBuffer[16] = (byte)length;
+      indexBuffer[17] = (byte)(length >> 8);
+      indexBuffer[18] = (byte)(length >> 16);
+      indexBuffer[19] = (byte)(length >> 24);
+
+      indexFile.Write(indexBuffer, 0, indexBuffer.Length);
+
+      stream.SetLength(0);
+
+      return length;
+    }
+  }
+}