LimitedBuffer
using System;
namespace Org.BouncyCastle.Utilities.IO
{
public sealed class LimitedBuffer : BaseOutputStream
{
private readonly byte[] m_buf;
private int m_count;
public int Count => m_count;
public int Limit => m_buf.Length;
public LimitedBuffer(int limit)
{
m_buf = new byte[limit];
m_count = 0;
}
public int CopyTo(byte[] buffer, int offset)
{
Array.Copy(m_buf, 0, buffer, offset, m_count);
return m_count;
}
public int CopyTo(Span<byte> buffer)
{
m_buf.AsSpan(0, m_count).CopyTo(buffer);
return m_count;
}
public void Reset()
{
m_count = 0;
}
public override void Write(byte[] buffer, int offset, int count)
{
Array.Copy(buffer, offset, m_buf, m_count, count);
m_count += count;
}
public override void Write(ReadOnlySpan<byte> buffer)
{
buffer.CopyTo(m_buf.AsSpan(m_count));
m_count += buffer.Length;
}
public override void WriteByte(byte value)
{
m_buf[m_count++] = value;
}
}
}