ModernUO/Projects/Server/Serialization/BinaryFileWriter.cs

101 lines
2.8 KiB
C#

/*************************************************************************
* ModernUO *
* Copyright 2019-2023 - ModernUO Development Team *
* Email: hi@modernuo.com *
* File: BinaryFileWriter.cs *
* *
* 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 3 of the License, or *
* (at your option) any later version. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program. If not, see <http://www.gnu.org/licenses/>. *
*************************************************************************/
using System;
using System.Collections.Concurrent;
using System.IO;
namespace Server;
public class BinaryFileWriter : BufferWriter, IDisposable
{
private readonly Stream _file;
private long _position;
public BinaryFileWriter(string filename, bool prefixStr, ConcurrentQueue<Type> types = null) :
this(new FileStream(filename, FileMode.Create, FileAccess.Write, FileShare.None), prefixStr, types)
{}
public BinaryFileWriter(Stream stream, bool prefixStr, ConcurrentQueue<Type> types = null) : base(prefixStr, types)
{
_file = stream;
_position = _file.Position;
}
public override long Position => _position + Index;
protected override int BufferSize => 81920;
public override void Flush()
{
if (Index > 0)
{
_position += Index;
_file.Write(Buffer, 0, (int)Index);
Index = 0;
}
else
{
base.Flush(); // Increase buffer size
}
}
public override void Write(byte[] bytes) => Write(bytes, 0, bytes.Length);
public override void Write(byte[] bytes, int offset, int count)
{
if (Index > 0)
{
Flush();
}
_file.Write(bytes, offset, count);
_position += count;
}
public override void Write(ReadOnlySpan<byte> bytes)
{
if (Index > 0)
{
Flush();
}
_file.Write(bytes);
_position += bytes.Length;
}
public override void Close()
{
if (Index > 0)
{
Flush();
}
_file.Close();
}
public override long Seek(long offset, SeekOrigin origin)
{
if (Index > 0)
{
Flush();
}
return _position = _file.Seek(offset, origin);
}
public void Dispose() => Close();
}