86 lines
No EOL
2.7 KiB
C#
86 lines
No EOL
2.7 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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* $Id$
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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;
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using System.IO;
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using System.Collections.Generic;
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using System.Text;
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namespace Server {
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public sealed class BinaryMemoryWriter : BinaryFileWriter {
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private MemoryStream stream;
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protected override int BufferSize {
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get { return 512; }
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}
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public BinaryMemoryWriter()
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: base( new MemoryStream( 512 ), true ) {
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this.stream = this.UnderlyingStream as MemoryStream;
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}
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private static byte[] indexBuffer;
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public int CommitTo( SequentialFileWriter dataFile, SequentialFileWriter indexFile, int typeCode, int serial ) {
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Flush();
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byte[] buffer = stream.GetBuffer();
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int length = ( int ) stream.Length;
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long position = dataFile.Position;
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dataFile.Write( buffer, 0, length );
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if ( indexBuffer == null ) {
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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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} |