mirror of
https://github.com/ServUO/ServUO
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81 lines
No EOL
2.5 KiB
C#
81 lines
No EOL
2.5 KiB
C#
/***************************************************************************
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* BinaryMemoryWriter.cs
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* -------------------
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* begin : May 1, 2002
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* copyright : (C) The RunUO Software Team
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* email : info@runuo.com
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*
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* $Id: BinaryMemoryWriter.cs 37 2006-06-19 17:28:24Z mark $
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*
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***************************************************************************/
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/***************************************************************************
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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***************************************************************************/
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using System.IO;
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namespace Server
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{
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public sealed class BinaryMemoryWriter : BinaryFileWriter
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{
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private static byte[] indexBuffer;
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private readonly MemoryStream stream;
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public BinaryMemoryWriter()
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: base(new MemoryStream(512), true)
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{
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stream = UnderlyingStream as MemoryStream;
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}
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protected override int BufferSize => 512;
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public int CommitTo(SequentialFileWriter dataFile, SequentialFileWriter indexFile, int typeCode, int serial)
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{
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Flush();
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var buffer = stream.GetBuffer();
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var length = (int)stream.Length;
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var position = dataFile.Position;
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dataFile.Write(buffer, 0, length);
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if (indexBuffer == null)
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{
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indexBuffer = new byte[20];
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}
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indexBuffer[0] = (byte)typeCode;
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indexBuffer[1] = (byte)(typeCode >> 8);
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indexBuffer[2] = (byte)(typeCode >> 16);
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indexBuffer[3] = (byte)(typeCode >> 24);
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indexBuffer[4] = (byte)serial;
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indexBuffer[5] = (byte)(serial >> 8);
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indexBuffer[6] = (byte)(serial >> 16);
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indexBuffer[7] = (byte)(serial >> 24);
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indexBuffer[8] = (byte)position;
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indexBuffer[9] = (byte)(position >> 8);
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indexBuffer[10] = (byte)(position >> 16);
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indexBuffer[11] = (byte)(position >> 24);
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indexBuffer[12] = (byte)(position >> 32);
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indexBuffer[13] = (byte)(position >> 40);
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indexBuffer[14] = (byte)(position >> 48);
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indexBuffer[15] = (byte)(position >> 56);
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indexBuffer[16] = (byte)length;
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indexBuffer[17] = (byte)(length >> 8);
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indexBuffer[18] = (byte)(length >> 16);
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indexBuffer[19] = (byte)(length >> 24);
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indexFile.Write(indexBuffer, 0, indexBuffer.Length);
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stream.SetLength(0);
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return length;
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}
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}
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} |