/// <summary>
/// 合并两个数据块
/// </summary>
/// <param name="lhs">左边操作对象</param>
/// <param name="rhs">右边操作对象</param>
/// <returns></returns>
public static DataBlock operator +(DataBlock lhs, DataBlock rhs)
{
if (lhs == null && rhs == null)
{
return(null);
}
else if (lhs == null)
{
DataBlock result = new DataBlock(rhs.DataLength);
result.Add(rhs.buffer, rhs.ReadIndex, rhs.DataLength);
return(result);
}
else if (rhs == null)
{
DataBlock result = new DataBlock(lhs.DataLength);
result.Add(lhs.buffer, lhs.ReadIndex, lhs.DataLength);
return(result);
}
else
{
DataBlock result = new DataBlock(lhs.DataLength + rhs.DataLength);
result.Add(lhs.buffer, lhs.ReadIndex, lhs.DataLength);
result.Add(rhs.buffer, rhs.ReadIndex, rhs.DataLength);
return(result);
}
}
/// <summary>
/// �ϲ��������ݿ�
/// </summary>
/// <param name="lhs">��߲�������</param>
/// <param name="rhs">�ұ߲�������</param>
/// <returns></returns>
public static DataBlock operator +(DataBlock lhs, DataBlock rhs)
{
if (lhs == null && rhs == null)
return null;
else if (lhs == null)
{
DataBlock result = new DataBlock(rhs.DataLength);
result.Add(rhs.buffer, rhs.ReadIndex, rhs.DataLength);
return result;
}
else if (rhs == null)
{
DataBlock result = new DataBlock(lhs.DataLength);
result.Add(lhs.buffer, lhs.ReadIndex, lhs.DataLength);
return result;
}
else
{
DataBlock result = new DataBlock(lhs.DataLength + rhs.DataLength);
result.Add(lhs.buffer, lhs.ReadIndex, lhs.DataLength);
result.Add(rhs.buffer, rhs.ReadIndex, rhs.DataLength);
return result;
}
}
