init commit

output/Libraries/BouncyCastle.Crypto/Org/BouncyCastle/Crypto/Tls/ByteQueueStream.cs

@@ -0,0 +1,106 @@
+using System;
+using System.IO;
+
+namespace Org.BouncyCastle.Crypto.Tls;
+
+public class ByteQueueStream : Stream
+{
+	private readonly ByteQueue buffer;
+
+	public virtual int Available => buffer.Available;
+
+	public override bool CanRead => true;
+
+	public override bool CanSeek => false;
+
+	public override bool CanWrite => true;
+
+	public override long Length
+	{
+		get
+		{
+			throw new NotSupportedException();
+		}
+	}
+
+	public override long Position
+	{
+		get
+		{
+			throw new NotSupportedException();
+		}
+		set
+		{
+			throw new NotSupportedException();
+		}
+	}
+
+	public ByteQueueStream()
+	{
+		buffer = new ByteQueue();
+	}
+
+	public override void Flush()
+	{
+	}
+
+	public virtual int Peek(byte[] buf)
+	{
+		int num = System.Math.Min(buffer.Available, buf.Length);
+		buffer.Read(buf, 0, num, 0);
+		return num;
+	}
+
+	public virtual int Read(byte[] buf)
+	{
+		return Read(buf, 0, buf.Length);
+	}
+
+	public override int Read(byte[] buf, int off, int len)
+	{
+		int num = System.Math.Min(buffer.Available, len);
+		buffer.RemoveData(buf, off, num, 0);
+		return num;
+	}
+
+	public override int ReadByte()
+	{
+		if (buffer.Available == 0)
+		{
+			return -1;
+		}
+		return buffer.RemoveData(1, 0)[0] & 0xFF;
+	}
+
+	public override long Seek(long offset, SeekOrigin origin)
+	{
+		throw new NotSupportedException();
+	}
+
+	public override void SetLength(long value)
+	{
+		throw new NotSupportedException();
+	}
+
+	public virtual int Skip(int n)
+	{
+		int num = System.Math.Min(buffer.Available, n);
+		buffer.RemoveData(num);
+		return num;
+	}
+
+	public virtual void Write(byte[] buf)
+	{
+		buffer.AddData(buf, 0, buf.Length);
+	}
+
+	public override void Write(byte[] buf, int off, int len)
+	{
+		buffer.AddData(buf, off, len);
+	}
+
+	public override void WriteByte(byte b)
+	{
+		buffer.AddData(new byte[1] { b }, 0, 1);
+	}
+}